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PPC型气箱脉冲除尘器-气箱式布袋除尘器-气箱式袋式除尘器

PPC type air box pulse dust collector

PPC type air box type pulse cloth bag dust collector is a horizontal-level dust collector in the 1990s, which overcomes the shortcomings of insufficient anti-blow dust removal in the compartment and simultaneous pulsed dust removal phase filtration. Therefore, the application range of the bag dust collector is expanded. Because the structure of this type of dust collector has its characteristics, the efficiency is improved and the service life of the filter bag is extended.
河北省>泊头市 Place of Origin: Hebei Province> Botou City
泊头市康越环保有限公司 Supplier: Botou Kangyue Environmental Protection Co., Ltd.
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Consulting Hotline: 0317-8346823 8295600

PPC type air box pulse dust collector

I. Overview:
PPC type air box pulse bag filter is a _ horizontal level _ rate dust collector. It combines the advantages of various types of baghouse dust collectors, such as backflushing and spray pulse cleaning, and overcomes the shortcomings of insufficient backflushing dust removal and simultaneous pulsed phase cleaning. Therefore, the application range of the bag dust collector has been expanded. Because the structure of this type of dust collector has its own characteristics, the improvement rate and the service life of the filter bag are prolonged.
PPC type air box pulse bag dust collector can be widely used in the crushing, packaging, storage roof, clinker cooler and various mills of cement plants for dust collection systems. Measures, the structure of the dust collector is changed accordingly, and it is also suitable for the dust collection of gas with extremely high dust concentration, such as the grinding system with O-Sep powder washing machine, the gas dust concentration is higher than 1000G / M3. The dust collector can collect dust without cyclone dust collector. In addition to being used in the cement industry, it is also suitable for dust collection of waste gases such as metallurgy, chemical industry, machinery and civil boilers. The material of this series of dust collector filter bags is polyester needle felt, and the allowable temperature is less than 120 ℃. If the filter bag uses aramid needle felt, its allowable use temperature can reach 210 ℃. But this material is expensive. If the temperature of the exhaust gas to be processed is higher than the allowable temperature of the filter material mentioned above, cooling measures shall be taken before the exhaust gas enters the dust collector.
PPC-type air box pulse bag filter is an outdoor type composed of different numbers of rooms and different number of bags in each room.
There are four types of bags per room: 32, 64, 96 and 128 bags. There are 33 specifications in the whole series. The filter bag diameter is 130mm and the filter bag length is 2450mm and 3060mm.
PPC type air box pulse bag filter can operate in negative or positive pressure, the basic structure is unchanged, its dust collection efficiency can reach above 99.9%, and the dust concentration of the gas after purification is less than 100MG / M3. This series of dust collectors The main technical performance is shown in Table 2, Table 3 and Table 4, respectively. If this series of dust collector is used in cold areas, when the outdoor heating calculation temperature is -25 ° C, if a heating device is to be added, the housing of the dust collector must also be changed accordingly.
Structure and working principle:
PPC type air box pulse bag filter is composed of shell, ash hopper, ash discharge device, bracket and pulse ash cleaning system. When the dust-containing gas enters the dust collector from the air inlet, it first encounters the inclined baffle in the middle of the air inlet, and the airflow turns to flow into the ash hopper. At the same time, the airflow speed becomes slow. Due to inertia, coarse particles of dust in the gas directly fall into the dust. The ash hopper plays the role of pre-dust collection. The airflow entering the ash folds and passes upwards through the filter bag with a metal years frame inside. The dust is captured on the outer surface of the filter bag, and the purified gas enters the upper part of the filter bag room. In the clean room, the air inlet of the FMQD32 dust collector that is collected by the air outlet pipe is set on the ash hopper. After the airflow enters the ash hopper, it first hits the baffle at the end of the air inlet pipe. Its function is the same as the above principle. The shell is divided into several independent dust collection chambers by partitions, and each dust collection chamber is cleaned in turn according to a given time interval. Each dust collection room is equipped with a poppet valve. When the dust is cleaned, the poppet valve is closed to cut off the filtered air flow through the dust collection room. Then the pulse valve is opened and high pressure air is sprayed into the filter bag. dust. The pulse blowing width and dust cleaning cycle of each dust collection chamber are automatically and continuously performed by a dedicated dust cleaning program controller.
Third, the difference between air box pulse dust collector and spray pulse bag dust collector:
The characteristic of the spray pulse bag type dust collector is that in the same dust collection room, each row of filter bags sprays the dust in turn, and the dust collection and filtering is performed during the dust cleaning, which is called online dust cleaning. Part of the dust blown by this cleaning method will be captured again by the adjacent filter bag.
This phenomenon is more serious if it is used to trap gas with a large concentration of dust, so the application of the spray pulse dust bag cleaner is limited.
The characteristic of PPC type air box pulse bag filter is that it adopts separate compartments to perform ash cleaning, which is called offline ash cleaning. When blowing dust in a certain room, the filtering airflow is cut off, avoiding the secondary flying of dust caused by blowing dust. Therefore, the air box pulse bag dust collector can capture gas with a moisture content and dust concentration of up to 1000G / M3.
Fourth, selection:
Generally, according to the main technical parameters of the gas to be handled at the dust source point, such as air volume, gas temperature, and dust concentration, etc., the selection is performed according to the following steps.
1. Calculate the net filter area of the dust collector according to the following formula according to the amount of processing gas:
F = Q / 60VN (㎡)
In the formula: Q——Processing gas amount (M3 / H)
VN—Net filtering wind speed (M / min)
Table 1 shows the recommended net filtration wind speeds of the main dust sources in the cement plant. The so-called net filtering wind speed and net filtering area refer to the filtering wind speed and filtering area when a certain room stops filtering and performs ash cleaning.
2. According to the calculated net filtering area, you can directly select the appropriate dust collector from Tables 2, 3, and 4.
3. Selection example:
Example 1. A 3.5 × 12M cement mill with a ventilation capacity of 30,000M3 / H and a gas temperature of 110 and a gas concentration of 150G / M3, a FMQD bag dust collector was selected.
(1) According to the given air volume of 30000 M3 / H, the net filtering wind speed of the cement mill is obtained from Table 1, VN is 1.5M / MIN, and the net filtering area is calculated according to formula (1).
F = Q / 60 · VN = 30000 ÷ 60 × 1.5 = 333 (㎡)
(2) It is known from the table that the net filtering area of FMQD-7 is 372㎡, which is close to the calculated net filtering area of 333㎡, so the FMQD64-7 dust collector can be selected. Because the net filtering area of FMQD96-5 is the same as the net filtering area of FMQD64-7, FMQD96-5 dust collector can also be selected. As for which model is more reasonable, the user can determine according to the geographical location of the dust collector. If the length is long and the width is narrow, FMQD64-7 with more rooms can be used. Otherwise, the number of rooms is selected. Fewer FMQD96-5 dust collectors.
Example 2 The daily cooling rate of the clinker grate cooler of 2,000 cement plants per day is 32,000 M3 / H. Try to choose a FMQD bag dust collector.
(1) According to the air volume of 32000 M3 / H and the net filter wind speed VN of the grate cooler found from Table 1, the net filter area is 1.7M / MIN.
F = Q /60·VN=320000×60÷1.5 = 3137 (㎡)
(2) It is known from Table 4 that the net filtration area of FMQD128-210 is 2959㎡, which is less than the calculated net filtration area of 3137㎡, but the net filtration wind speed increase is not much, less than 6%, so FMQD128 -210 dust collector is suitable.
Five, model description:
FMQD XX ------- a × b
F means: air box type; M means: pulse; Q means: dust collector;
D means: screw conveyor, air conveying chute; XX means: number of filter bags in each room;
a indicates: the number of columns (single column is not marked); b indicates: an example of the number of rooms in each column FMQD96-2 × 5 indicates a double-row ten-room 96-bag air-box pulse bag dust collector (the ash discharge device is Screw conveyor).
Six, dust cleaning electrical control device:
1. Ash cleaning electrical control device The dust cleaning control method generally adopts the timing method, and the constant resistance method can also be used. The so-called constant resistance method is to control the pressure difference between the inside and outside of the filter bag. When the differential pressure value of the dust collector reaches a set value (generally 1470Pa). That is, the signal is sent from the differential pressure transmitter, and the dust is cleaned room by room according to the established procedure through the electrical control device.
2. The function of the electrical control device adopts a single-chip microcomputer for centralized control of the multi-room dust collector. The control has two methods: automatic and manual. When the single-chip microcomputer fails or is overhauled, it can be switched to manual control at any time. Equipment maintenance is provided with on-machine control.
3. The wiring design of the dust cleaning electrical control device to the dust collector's incoming terminal is the responsibility of the user. For the connection terminals, refer to the dust cleaning electrical controller manual. The wiring of the dust collector inlet terminal to each solenoid valve is the responsibility of the manufacturer.
Seven points:
1. The main body of the dust collector includes the shell, ash hopper, inlet and outlet ducts of the filter bag device, ash exhaust device and pulse injection system (including pulse valve, pipeline, valve, triple gas source and gas storage tank, etc.).
2. According to different specifications, it can be shipped as a whole or disassembled. The basic design is the responsibility of the user.
3. The dust collector is equipped with an electric control device for dust removal, which is generally controlled according to the timing of dust removal. If the user requests to order according to the constant resistance control, it should be noted that the charges for the differential pressure gauge, differential pressure indicator alarm and other instruments of the constant resistance control shall be calculated separately.
4. For the series products, the equipment use and installation instructions are provided by the manufacturer.
5. The power supply and distribution of the ash unloading device of the series products are designed by the user.
Technical performance table of FMQD64III air box pulse bag dust collector Table 2

Model parameters

Air volume m3 / h

Filtering wind speed m / min

Filtration area m2

Number of filter bags (a)

Resistance Pa

Dust concentration g / m3

Thermal insulation area m2

Weight kg

32-3

6900

1.2-2.0

93

96

1470-1770

<1000

26.5

2880

32-4

8930

124

128

34

4080

32-5

11160

155

160

41

5280

32-6

13390

186

192

48.5

6480

64-4

17800

248

256

70

7280

64-5

22300

310

320

94

9960

64-6

26700

372

384

118

11640

64-7

31200

434

448

142

13320

64-8

35700

496

512

166

15000

Note: 1. The net filtration area in the table refers to the filtration area when a room is dusted. 2. The air consumption in the table refers to the situation of centralized air supply in the factory. For example, when a separate air compressor is set, the air consumption in the table must be multiplied by a factor of 1.3. 3. The processing air volume in the table is calculated when the gross filtering wind speed is 1.2M / MIN. It is only for the case where the dust concentration of the user's dust source point is less than 30G / M3 and the net filtering wind speed is unknown. The selection of the processing air volume should generally be performed according to the selection steps in this atlas.
Technical performance table of FMQD96III air box pulse bag dust collector Table 2

Model / parameter

Air volume m3 / h

Filtering wind speed m / min

Filtration area m2

Number of filter bags (a)

Resistance Pa

Dust concentration g / m3

Thermal insulation area m2

Weight kg

96-4

26800

1.2-2.0

372

384

1470-1770

<1300

110

10452

96-5

33400

465

480

120

12120

96-6

40100

557

576

130

14880

96-7

46800

650

672

140

16920

96-8

53510

744

768

150

19810

96-9

60100

836

864

160

21240

96-2 × 5

66900

929

960

175

25200

96-2 × 6

80700

1121

1152

210

30240

96-2 × 7

94100

1308

1344

245

35280

96-2 × 8

107600

1494

1536

280

40320

96-2 × 9

121000

1681

1728

315

45360

96-2 × 10

134500

1868

1920

350

50400

Note: 1. The net filtration area in the table refers to the filtration area when a room is dusted. 2. The air consumption in the table refers to the situation of centralized air supply in the factory. For example, when a separate air compressor is set, the air consumption in the table must be multiplied by a factor of 1.3. 3. The processing air volume in the table is calculated when the gross filtering wind speed is 1.2M / MIN. It is only for the case where the dust concentration of the user's dust source point is less than 30G / M3 and the net filtering wind speed is unknown. The selection of the processing air volume should generally be performed according to the selection steps in this atlas.
Technical performance table of FMQD128III air box pulse bag dust collector Table 3

Model / parameter

Air volume m3 / h

Filtering wind speed m / min

Filtration area m2

Number of filter bags (a)

Resistance Pa

Dust concentration g / m3

Thermal insulation area m2

Weight kg

128-6

67300

1.2-2.0

935

768

1470-1770

<1300

125

24120

128-9

100900

1402

1152

196

31680

128-10

112100

1558

1280

205

34680

128-2 × 6

34600

1869

1536

323

43920

128-2 × 7

15700

2181

1792

247

52680

128-2 × 8

179400

2492

2084

262

60000

128-2 × 9

201900

2804

2304

277

66480

128-2 × 10

224300

3115

2561

292

72000

128-2 × 11

247600

3427

2856

307

78480

128-2 × 12

269100

3728

3072

322

86400

128-2 × 13

291600

4050

3328

337

93600

128-2 × 14

314000

4361

3584

252

100800

Note: 1. The net filtration area in the table refers to the filtration area when a room is dusted.
2. The air consumption in the table refers to the situation of centralized air supply in the factory. For example, when a separate air compressor is set, the air consumption in the table must be multiplied by a factor of 1.3.
3. The processing air volume in the table is calculated when the gross filtering wind speed is 1.2M / MIN. It is only for the case where the dust concentration of the user's dust source point is less than 30G / M3 and the net filtering wind speed is unknown. The selection of the processing air volume should generally be performed according to the selection steps in this atlas.
Dimension table

model

Size code

FMQD

64-4

FMQD

64-5

FMQD

64-6

FMQD

64-7

FMQD

64-8

A

4877

6096

7316

8534

9754

B

——

——

3658

4876

4876

N

4

4

6

6

6

Note: 1. The air inlet and the air outlet can be replaced with each other, but the inclined partition in the air pipe should be installed by turning around, and it should be specified when ordering.
2. The ladder can be arranged at the other end of the dust collector, as shown by the dotted line in the figure.
3. The ash discharge valve can be installed in a symmetrical position at the other end of the dust collector, but the bottom plate of the ash bucket and the transmission of the conveyor must be installed by turning the head.
4. The height of the column can be shortened when arranged, but the height of the column should be indicated when ordering.
5. The thickness of the insulation layer is determined by the user according to the different regions. Refer to the insulation layer map during construction.
Dimension table of FMQD96 air box pulse bag dust collector (single row)

Size code

model

A

B

C

D

FMQD96-4

4876

4

FMQD96-5

6096

4

FMQD96-6

7316

3658

6

FMQD96-7

8534

4876

6

FMQD96-8

9754

4877

6

FMQD96-9

10974

7316

3658

8

Note: 1. The air inlet and the air outlet can be replaced with each other, but the inclined partition in the air pipe should be installed by turning the head.
2. The position of the ladder can be arranged at the other end of the dust collector, which is the symmetrical position in the figure.
3. The height of the column can be shortened when arranged, but the height of the stand should be specified when ordering.
4. The thickness of the insulation layer is determined by the user according to the different regions. Refer to the insulation layer map during construction.
5. The ash discharge valve can be installed in a symmetrical position at the other end of the dust collector, as shown by the dotted line in the figure, but the bottom plate of the ash bucket and the transmission of the conveyor must be installed by turning the head.
Dimension table (double row)

model

Size code

FMQD96

-2 × 5

FMQD96

-2 × 6

FMQD96

-2 × 7

FMQD96

-2 × 8

FMQD96

-2 × 9

FMQD96

-2 × 10

A

6096

7316

8534

9754

10974

12192

B

3658

4876

4876

6096

6096

C

8

12

12

12

12

12

Note: 1. The air inlet and the air outlet can be replaced with each other, but the inclined partition in the air pipe should be installed by turning the head, and it should be noted when ordering.
2. The position of the ladder can be arranged at the other end of the dust collector, which is the symmetrical position in the figure.
3. The ash discharge valve can be installed on the side shown by the imaginary line, but the bottom plate of the ash hopper and the transmission device of the conveyor should be installed by turning the head.
4. The height of the column can be shortened when arranged, but the height of the column should be indicated when ordering.
5. The thickness of the insulation layer is determined by the user according to the different regions. Refer to the insulation layer map during construction.
Dimension table (single row)

model

Size code

FMQD128

―6

FMQD128

--9

FMQD128

――10

A

7316

10973

12192

B

3568

6096

6096

C

3568

5486.5

6096

Explanation:
1. The air inlet and the air outlet can be replaced with each other, but the inclined partition in the air pipe should be installed by turning around, and it should be noted when ordering.
2. The position of the ladder can be arranged at the other end of the dust collector, which is the symmetrical position in the figure.
3. The ash discharge valve can be installed on the side shown by the imaginary line, but the bottom plate of the ash hopper and the transmission of the conveyor must be installed by turning the head.
4. The height of the column can be shortened when arranged, but the height of the column should be indicated when ordering.
5. The thickness of the insulation layer is determined by the user according to the different regions. Refer to the insulation layer map during construction.
Model and dimensions of 128-type air box pulse bag dust collector (double row)

model

shape

size

FMQD128

2 × 6

FMQD128

2 × 7

FMQD128

2 × 8

FMQD128

2 × 9

FMQD128

2 × 10

FMQD128

2 × 11

FMQD128

2 × 12

FMQD128

2 × 13

FMQD128

2 × 14

A

7316

3534

9754

10972

12192

13412

14630

15850

17068

B

---

4876

---

6096

---

8534

9754

10972

10972

C

3658

---

4877

---

6096

---

---

---

---

D

---

---

---

---

---

4876

4876

4876

6096

E

8992

10210

11430

12650

13868

15088

16306

17526

18746

G

545

630

720

800

890

975

1070

1145

1230

n

12

12

12

12

12

16

16

16

16

Explanation:
1. The air inlet and the air outlet can be replaced with each other, but the inclined partition in the air pipe should be installed by turning around, and it should be specified when ordering.
2. The ladder can be arranged in a symmetrical position at the other end of the dust collector.
3. The height of the column can be increased, but the height of the column should be specified when ordering.
4. The thickness of the insulation layer is determined by the user according to the different regions. See the insulation layer map.
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Botou Kangyue Environmental Protection Co., Ltd.
Address: Fuzhen Development Zone, Botou City Tel: 0317-8295600
Fax: 0317-8285600
Mobile: 15030796891
Email: btkscc@126.com
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