CN220276513U - Carbon black collection device - Google Patents

Abstract

The utility model relates to a carbon black collecting device, which comprises a box body, wherein a plurality of small chambers are partitioned in the box body, at least four filter bags are arranged in each small chamber, the box body is partitioned into an upper part and a lower part, one side of each small chamber is provided with a wind-driven carbon black inlet, the other side of each small chamber is provided with a fixed-point blowing device, the wind-driven carbon black inlet is communicated with a box space at the lower part of the filter bag, and an air outlet of the fixed-point blowing device is communicated with the box space at the upper part of the filter bag; the fixed-point blowing device comprises a pulse controller, a compressed air bag, a pulse control valve, a connecting pipe and a plurality of blowing pipes, wherein the blowing pipes are communicated with the connecting pipe, the connecting pipe is communicated with the compressed air bag, the pulse control valve is arranged on the connecting pipe and is electrically connected with the pulse controller, the pulse controller is controlled by a central control room, and the blowing pipes are positioned above the filter bags; the top end of the small chamber is provided with an exhaust port, and an exhaust control valve is arranged on the exhaust port; the bottom of the box body is communicated with the collecting hopper. The device can promote the cleaning effect of filter bag, prolongs the life of filter bag.

Description

Carbon black collection device

Technical Field

The utility model belongs to the technical field of carbon black production, and particularly relates to a carbon black dust collecting device.

Background

The carbon black pulse bag filter is a main device for carbon black gas-solid separation. The structure of the pulse bag filter consists of an upper part, a middle part and a lower part. The upper part of the pulse bag filter in the prior art is shown in figure 1 and consists of a box body 1, a wind-driven carbon black inlet 5, an exhaust port 6, a compressed air bag 3, a pulse control valve 4, a blowing pipe 9, a cell (at least four filter bags 2 are arranged in the cell) and a cell cover plate. The middle part comprises a flower plate, a filter bag framework and a manhole. The lower part consists of a collecting hopper and a screw conveyor.

The pulse filter bag is cleaned by induced air flow generated by pulse air flow with higher pressure (0.4-0.5 MPa). The pulse control valve 4 of the pulse bag filter in the prior art acts at fixed time to spray the induced air flow into the small chamber and clean the filter bag in the small chamber. But the blowing effect is poor, the induced air flow belongs to 'large water flood filling' in the small chamber, the air pressure is high at a place close to the air flow, the blowing effect is good, the air pressure is low at a place far away from the air flow, the blowing effect is poor, the soot dust on the surface of the filter bag is not purged cleanly, the air permeability of the filter bag is affected, and the soot collection capacity of the filter bag is further affected. The carbon black is easy to accumulate, the filter bag is easy to damage, the environment is easy to be polluted, the cost is increased when the filter bag is replaced, and the labor intensity of staff is increased.

Disclosure of Invention

In order to solve the defects in the background art, the utility model provides the carbon black collecting device, so that the cleaning effect of the filter bag is improved, the service life of the filter bag is prolonged, and the production stability of carbon black is improved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme.

A carbon black collecting device comprises a box body, wherein a plurality of small chambers are partitioned and arranged in the box body, at least four filter bags are arranged in each small chamber, the box body is partitioned into an upper part and a lower part, one side of each small chamber is provided with a wind-driven carbon black inlet, the other side of each small chamber is provided with a fixed-point spraying device, the wind-driven carbon black inlet is communicated with a box space at the lower part of the filter bag, and an air outlet of the fixed-point spraying device is communicated with the box space at the upper part of the filter bag; the fixed-point blowing device comprises a pulse controller, a compressed air bag, a pulse control valve, a connecting pipe and a plurality of blowing pipes, wherein the blowing pipes are communicated with the connecting pipe, the connecting pipe is communicated with the compressed air bag, the pulse control valve is arranged on the connecting pipe and is electrically connected with the pulse controller, the pulse controller is controlled by a central control room, and the blowing pipes are positioned above the filter bags; the top end of the small chamber is provided with an exhaust port, and an exhaust control valve is arranged on the exhaust port; the bottom of the box body is communicated with the collecting hopper.

Further, two blowing pipes are arranged above each filter bag, and the blowing pipes and the vertical lines form an included angle of 20-30 degrees.

Further, the axis of the blowing pipe forms an included angle of 30-40 degrees with the horizontal direction.

Further, the carbon black collecting device is further provided with a cooling filter, an air storage cylinder and an air supply compressor, the exhaust port is connected with the cooling filter through an air supply pipeline, the cooling filter is connected with the air storage cylinder through an air supply pipeline, the air storage cylinder is connected with the air supply compressor through an air supply pipeline, the air supply compressor is connected with a compressed air bag through an air supply pipeline, an air supply control valve is arranged on the air supply pipeline between the air storage cylinder and the air supply compressor, and an air supply control valve is also arranged on the air supply pipeline between the air supply compressor and the compressed air bag.

Compared with the prior art, the utility model has the following advantages:

1) The carbon black collecting device can achieve uniform blowing of the filter bags in the box body, avoids the phenomenon of unclean cleaning, and improves the carbon black collecting and processing capacity of each box body by 30% -50%.

2) According to the carbon black collecting device, the filter bag is directionally blown, so that the cleaning effect of the filter bag is improved, carbon black is continuously and stably collected, the stability of a subsequent process is improved, and the production stability of the carbon black is improved.

3) The carbon black collecting device provided by the utility model has the advantages of simple structure and convenience in operation and maintenance.

4) After the device is used, the filter bag can be continuously used for 6-8 months without being damaged, so that the service life of the filter bag is greatly prolonged, the frequency of replacing the filter bag is reduced, the cost of the filter bag is saved, and the labor intensity of staff is also reduced. The filter bag is not easy to be damaged, and meanwhile, the exhaust control valve is additionally arranged, so that no carbon black leaks in the small chamber, and the environmental sanitation around the box body is improved.

Drawings

FIG. 1 is a schematic diagram of a prior art carbon black collection device.

FIG. 2 is a schematic view showing the structure of a carbon black collecting device according to an embodiment of the present utility model.

FIG. 3 is a schematic view of a carbon black collecting device according to another embodiment of the present utility model.

FIG. 4 is a schematic view of the blowing tube of the carbon black collecting device of FIG. 3.

In the figure: 1-box body, 2-filter bag, 3-compressed air bag, 4-pulse control valve, 5-air-feeding carbon black inlet, 6-exhaust port, 7-fixed point blowing device, 8-connecting pipe, 9-blowing pipe, 10-exhaust control valve, 11-cooling filter, 12-air storage cylinder, 13-air-feeding compressor and 14-air-feeding control valve.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the present utility model is not limited to the specific embodiments disclosed below.

Example 1

Fig. 2 is a schematic structural view of the carbon black collecting device in this embodiment, wherein (a) is a schematic structural view of the main section, and (b) is a schematic structural view of the cell in a plan view. The carbon black collecting device shown in fig. 2 comprises a box body 1, a plurality of small chambers are arranged in the box body 1, adjacent small chambers are fixedly connected through small chamber cover plates, at least four filter bags 2 are arranged in each small chamber, the filter bags 2 are fixed on the inner side walls of the small chambers through filter bag frameworks, the box body 1 is divided into an upper space and a lower space, one side of each small chamber is provided with a wind-driven carbon black inlet 5, the other side of each small chamber is provided with a fixed-point blowing device 7, the wind-driven carbon black inlet 5 is communicated with the space of the box body 1 at the lower part of the filter bag 2, and an air outlet of the fixed-point blowing device 7 is communicated with the space of the box body 1 at the upper part of the filter bag 2; the fixed-point blowing device 7 comprises a pulse controller (not shown in the figure), a compressed air bag 3, a pulse control valve 4, a connecting pipe 8 and a plurality of blowing pipes 9, wherein the blowing pipes 9 are communicated with the connecting pipe 8, the connecting pipe 8 is communicated with the compressed air bag 3, the pulse control valve 4 is arranged at one end, close to the compressed air bag 3, of the connecting pipe 8, the pulse control valve 4 is electrically connected with the pulse controller, the pulse controller is controlled by a central control room, and the blowing pipes 9 are positioned above the filter bags 2; the top end of the small chamber is provided with an exhaust port 6, the exhaust port 6 is provided with an exhaust control valve 10, and the exhaust control valve 10 is also controlled by the central control chamber; the bottom of the box body 1 is communicated with a collecting hopper for collecting and temporarily storing carbon black.

When the device operates, carbon black smoke enters the box body 1 from the air-assisted carbon black inlet 5, after being filtered by the filter bag 2, gas is discharged from the exhaust port 6, carbon black is attached to the filter bag 2, when the carbon black is purged and collected, the exhaust control valve 10 is closed, the fixed-point blowing device 7 is started, the pulse control instrument controls the pulse control valve 4 to be opened at the moment, and the filter bag 2 is purged through the connecting pipe 8 and the blowing pipe 9, so that the carbon black is collected. In the embodiment, the fixed-point blowing device 7 is arranged, the blowing pipe 9 is extended to the position right above the filter bag 2 in the chamber, and the blowing port on the blowing pipe 9 faces the filter bag 2. In this way, the air flow induced by the pulse control valve 4 can directionally blow each filter bag 2, so that the pressure of the blown air flow of each filter bag 2 is increased, and the cleaning effect on the filter bags 2 is further improved. Preferably, four chambers may be provided in each case 1 to divide one case 1 into four parts, each part having one exhaust port 6, and an exhaust control valve 10 is additionally installed on the exhaust port 6. When the small chamber is blown, the exhaust control valve 10 on the exhaust port 6 is closed, so that the leakage of carbon black can be effectively avoided, and the environmental sanitation around the box body 1 is improved.

Example 2

As shown in fig. 3 to 4, in the present embodiment, two injection pipes 9 are disposed above each filter bag 2 on the basis of embodiment 1, and the injection pipes 9 are disposed at an included angle of 30 ° with respect to the vertical line, and at the same time, the axis of the injection pipe 9 forms an included angle of 36 ° with respect to the horizontal direction. Make the jetting pipe 9 aim at the filter bag 2 both sides wall and carry out the jetting, can strengthen the vibration of air current to filter bag 2, clean the effect, simultaneously, different cleaning angles can be taken into account in the setting of jetting pipe 9 jetting direction, are favorable to promoting the collection efficiency of carbon black.

In this embodiment, the carbon black collecting device is further provided with a cooling filter 11, an air storage cylinder 12 and an air supply compressor 13, the air outlet 6 is connected with the cooling filter 11 through an air supply pipeline, the cooling filter 11 is connected with the air storage cylinder 12 through an air supply pipeline, the air storage cylinder 12 is connected with the air supply compressor 13 through an air supply pipeline, the air supply compressor 13 is connected with the compressed air bag 3 through an air supply pipeline, an air supply control valve 14 is arranged on the air supply pipeline between the air storage cylinder 12 and the air supply compressor 13, and an air supply control valve 14 is also arranged on the air supply pipeline between the air supply compressor 13 and the compressed air bag 3.

When the device operates, carbon black smoke enters the box body 1 from the air-conveying carbon black inlet 5, the air is filtered by the filter bag 2, then is discharged from the air outlet 6, is cooled by the cooling filter 11, filters impurities, water vapor and the like, and is stored in the air storage cylinder 12, when the air in the compressed air bag 3 is used up, the air-conveying compressor 13 can be started, the air-conveying control valve 14 is opened, and the air in the air storage cylinder 12 is pumped out, compressed and then filled into the compressed air bag 3 for standby. Not only can avoid leakage of carbon black and improve environmental sanitation around the box body 1, but also can filter and recycle the discharged gas, and is energy-saving and environment-friendly.

Claims (4)

1. The carbon black collecting device comprises a box body and is characterized in that a plurality of small chambers are partitioned and arranged in the box body, at least four filter bags are arranged in each small chamber, the box body is partitioned into an upper part and a lower part, one side of each small chamber is provided with a wind-driven carbon black inlet, the other side of each small chamber is provided with a fixed-point spraying device, the wind-driven carbon black inlet is communicated with a box space at the lower part of the filter bag, and an air outlet of the fixed-point spraying device is communicated with the box space at the upper part of the filter bag; the fixed-point blowing device comprises a pulse controller, a compressed air bag, a pulse control valve, a connecting pipe and a plurality of blowing pipes, wherein the blowing pipes are communicated with the connecting pipe, the connecting pipe is communicated with the compressed air bag, the pulse control valve is arranged on the connecting pipe and is electrically connected with the pulse controller, the pulse controller is controlled by a central control room, and the blowing pipes are positioned above the filter bags; the top end of the small chamber is provided with an exhaust port, and an exhaust control valve is arranged on the exhaust port; the bottom of the box body is communicated with the collecting hopper.

2. The carbon black collecting device according to claim 1, wherein two blowing pipes are arranged above each filter bag, and the blowing pipes are arranged at an included angle of 20-30 degrees with respect to a vertical line.

3. The carbon black collecting device according to claim 2, wherein the axis of the blowing pipe forms an angle of 30 ° to 40 ° with the horizontal direction.

4. The soot collection device according to claim 3, further comprising a cooling filter, an air receiver and an air-sending compressor, wherein the exhaust port is connected to the cooling filter through an air-sending pipe, the cooling filter is connected to the air receiver through an air-sending pipe, the air receiver is connected to the air-sending compressor through an air-sending pipe, the air-sending compressor is connected to the compressed air bag through an air-sending pipe, an air-sending control valve is provided on the air-sending pipe between the air receiver and the air-sending compressor, and an air-sending control valve is also provided on the air-sending pipe between the air-sending compressor and the compressed air bag.