CN220633527U - Differential pressure type pulse dust removal system - Google Patents
Differential pressure type pulse dust removal system Download PDFInfo
- Publication number
- CN220633527U CN220633527U CN202322155052.3U CN202322155052U CN220633527U CN 220633527 U CN220633527 U CN 220633527U CN 202322155052 U CN202322155052 U CN 202322155052U CN 220633527 U CN220633527 U CN 220633527U
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- dust
- dust removal
- pulse
- air
- valve
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- 239000000428 dust Substances 0.000 title claims abstract description 158
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 24
- 238000007664 blowing Methods 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Abstract
The utility model relates to a differential pressure type pulse dust removal system, which comprises at least one dust removal tank body, wherein a baffle plate is arranged between a filtering area and a cleaning area in each dust removal tank body, and a plurality of dust filters are arranged on the baffle plate; the outer wall of the cleaning area of the dust removal tank body is provided with a plurality of pulse air pipes penetrating through the inside and the outside of the cleaning area, and the inner end of each pulse air pipe is respectively opposite to the air outlet end of the dust filter downwards; a first pressure sensor and a second pressure sensor are arranged on the dust removal tank body; and triggering the work of an air inlet valve, an air outlet valve and a pulse valve on the dust removal tank body through the differential pressure value of the first pressure sensor and the second pressure sensor. The dust removing system adopts differential pressure triggering, intelligently and automatically executes pulse back blowing air flow, eliminates dust adsorbed and accumulated on the dust filter and automatically falls into the dust hopper, thereby recovering the filtering capability of the dust filter and realizing uninterrupted dust removing operation.
Description
Technical field:
the utility model relates to the technical field of dust removal and filtration equipment, in particular to a differential pressure type pulse dust removal system.
The background technology is as follows:
in a production place where dust and dust are generated in a large amount, the generated waste gas and the like are required to be discharged after dust removal and filtration, so that a dust removal and filtration system is required to be used.
In the use process of various existing dust removing systems, the dust filter is generally prompted to be full or absorb excessive dust in a mode of manual observation or equipment alarm and the like, and the dust on the filter is shaken off in a vibration mode by manual or device assistance, so that the dust removing system is low in efficiency, complex in equipment structure, short in service life and high in enterprise cost.
The utility model comprises the following steps:
the utility model aims to overcome the defects in the prior art and provides a differential pressure type pulse dust removal system.
The technical scheme adopted by the utility model is as follows: the utility model provides a differential pressure type pulse dust removal system, it includes at least one dust removal jar body, and the lower part of every dust removal jar body is the dust hopper, the middle part is the filtration zone, and upper portion is the clean area, and the middle part outside of every dust removal jar body is connected with admission line and admission valve, and the top of every dust removal jar body is connected with gas outlet pipe and air outlet valve, wherein: a partition plate is arranged between a filtering area and a cleaning area in each dust removing tank body, a plurality of filter mounting holes are formed in the partition plate, and a plurality of dust filters are installed at the position of each filter mounting hole downwards; a plurality of pulse air pipes penetrating through the inside and the outside of the cleaning area are arranged on the outer wall of the cleaning area of the dust removal tank body, a pulse valve is arranged in each pulse air pipe, the inner end of each pulse air pipe faces downwards and is opposite to the air outlet end of one dust filter, and the outer end of each pulse air pipe is communicated with a back-blowing air flow inlet; a first pressure sensor for detecting the air pressure of the filtering area is arranged on the outer wall of the filtering area of the dust removal tank body, and a second pressure sensor for detecting the air pressure of the cleaning area is arranged on the outer wall of the cleaning area; and triggering the work of an air inlet valve, an air outlet valve and a pulse valve on the dust removal tank body through the differential pressure value of the first pressure sensor and the second pressure sensor.
As a preferred embodiment, the dust removing system comprises two dust removing tank bodies which are commonly installed on the same frame, wherein the two dust removing tank bodies are connected in parallel through an air inlet pipeline and an air outlet pipeline of the dust removing tank bodies, and pulse air pipes on the two dust removing tank bodies are also commonly connected with the same back blowing air inlet pipe;
and the electric control box and the touch screen controller are electrically connected with the air inlet valve, the air outlet valve, the pulse valve, the first pressure sensor and the second pressure sensor.
And a third pressure sensor and a temperature sensor are arranged on the back-blowing air inlet pipe so as to monitor the pressure and the temperature of the back-blowing air in real time and avoid the influence of too low or too high pressure on the back-blowing dust removal effect.
And an access hole is also formed in the dust removal tank body. So as to periodically check and maintain the inside of the dust removal tank body and ensure the safe and stable operation of the equipment.
And an emptying valve is also connected to the outer wall of the cleaning area of the dust removal tank body.
A communication pipe is connected between the gas outlet pipelines at the top of the two dust removal tank bodies and below the gas outlet valve, and a connecting valve is arranged in the communication pipe; the connecting valve and the communicating pipe are used for balancing the pressure between the two dust removal tank bodies when switching working conditions, and the connecting valve is in a closed state when working at ordinary times and is opened when needed.
The dust removing system adopts differential pressure triggering, intelligently and automatically executes pulse back blowing air flow, eliminates dust adsorbed and accumulated on the dust filter and automatically falls into the dust hopper, so that the filtering capacity of the dust filter is recovered, and the manual operation can be reduced, and the enterprise cost is reduced; in addition, the dust removing system of the utility model is composed of two groups of dust removing tank bodies, which can continuously remove dust, and can ensure that the filtering capability of the dust filter is recovered to be better and then put into use, thereby prolonging the service lives of the filter and the whole dust removing system.
Description of the drawings:
fig. 1 and 2 are perspective views of the present utility model;
fig. 3 is a schematic structural view of another embodiment of the present utility model.
The specific embodiment is as follows:
as shown in fig. 1-3, the present utility model is a differential pressure type pulse dust removal system, which includes at least one dust removal tank 1, in this embodiment, two dust removal tanks 1 are provided, the lower part of each dust removal tank 1 is a dust collection bucket 11, the middle part is a filtering area 12, the upper part is a cleaning area 13, the middle outside of each dust removal tank 1 is connected with an air inlet pipeline 101 and an air inlet valve 102 at the joint of the filtering area 12 and the dust collection bucket 11, and the top of each dust removal tank 1 is connected with an air outlet pipeline 103 and an air outlet valve 104, wherein: a partition plate 2 is arranged between the filtering area 12 and the cleaning area 13 in each dust removal tank body 1, a plurality of filter mounting holes 201 are formed in the partition plate 2, and a plurality of dust filters 3 are downwards arranged at the position of each filter mounting hole 201; a plurality of pulse air pipes 4 penetrating through the inside and the outside of the cleaning area 13 are arranged on the outer wall of the cleaning area 13 of the dust removal tank body 1, a pulse valve 41 is arranged in each pulse air pipe 4, the inner end of each pulse air pipe 4 faces downwards and is opposite to the air outlet end of one dust filter 3, the outer end of each pulse air pipe 4 is communicated with a back-blowing air flow inlet 42, and the number of the pulse air pipes 4 and the pulse valves 41 is equal to that of the dust filters 3; a first pressure sensor 14 for detecting the air pressure of the filtering area is arranged on the outer wall of the filtering area 12 of the dust removing tank body 1 and is positioned below the partition board 2; a second pressure sensor 15 for detecting the air pressure of the cleaning area is arranged on the outer wall of the cleaning area 13 and is positioned above the partition board 2; the operation of the air inlet valve 102, the air outlet valve 104 and the pulse valve 41 on the dust removal tank body 1 is triggered by the differential pressure value of the first pressure sensor 14 and the second pressure sensor 15.
The dust removing system comprises two dust removing tank bodies 1, wherein the two dust removing tank bodies 1 are commonly installed on the same frame 5, the two dust removing tank bodies 1 are connected in parallel through an air inlet pipeline 101 and an air outlet pipeline 103, and a pulse air pipe 4 on the two dust removing tank bodies is also commonly connected with the same back-blowing air flow inlet pipe 43; when one of the dust removing tank bodies 1 is in pulse back blowing, the other dust removing tank body 1 keeps dust filtering operation, so that uninterrupted dust removing operation can be realized.
An electric cabinet 51 and a touch screen controller 52 are also installed on the frame 5, and the electric cabinet 51 and the touch screen controller 52 are electrically connected with the air inlet valve 102, the air outlet valve 104, the pulse valve 41, the first pressure sensor 14 and the second pressure sensor 15.
The third pressure sensor 421 and the temperature sensor 422 are installed on the blowback air intake pipe 43, so as to monitor the pressure and the temperature of the blowback air in real time, and avoid the influence of the too low or too high pressure on the blowback dust removal effect.
When the pressure difference between the first pressure sensor 14 and the second pressure sensor 15 on one of the dust removal tank bodies 1 reaches a set value, the touch screen controller 52 sends out an instruction to close the air inlet valve 102 and the air outlet valve 104 on the dust removal tank body 1, the pulse valve 41 works, back-blowing air flow is introduced into the pulse air pipe 4 through the back-blowing air flow inlet 42, and the back-blowing air flow is blown to each dust filter 3 in a pulse mode along with the work of the pulse valve 41, so that dust attached to the dust filter 3 falls into the dust hopper; when the differential pressure does not reach the set value, the pulse valve 41 is closed, and the air inlet valve 102 and the air outlet valve 104 are opened again, so that dust filtering operation is performed.
The dust removal tank body 1 is also provided with an access hole 16 so as to periodically check and maintain the inside of the dust removal tank body and ensure the safe and stable operation of equipment.
An emptying valve 17 is also connected to the outer wall of the cleaning zone 13 of the dust removal tank 1, so as to empty and decompress when necessary.
As shown in fig. 3, a communication pipe 18 is connected between the gas outlet pipelines 103 at the top of the two dust removal tank bodies 1 and below the gas outlet valve 104, and a connecting valve 181 is arranged in the communication pipe 18; the connecting valve 181 and the communicating pipe 18 are used for balancing the pressure between the two dust removal tank bodies when switching working conditions, and the connecting valve is in a closed state when working at ordinary times and is opened when needed.
The working process of the utility model is as follows: the air with dust enters the dust removal tank body 1 from the air inlet pipeline 101, the dust with heavy specific gravity directly settles into the dust hopper 11 at the lower part, the dust with light specific gravity flows along with the air flow, and after being filtered by the dust filter 3 at the middle part, the dust filter 3 is gradually attached, and clean air enters the cleaning zone 13 and is discharged from the air outlet pipeline 103 at the top; with the increase of the dust accumulation amount on the dust filter 3, the air pressure difference between the air pressure of the cleaning area 13 and the air pressure of the filtering area 12 will be larger and larger, when the pressure difference reaches a set value, the valves of the air inlet pipeline 101 and the air outlet pipeline 103 are triggered to be closed, then the pulse valve 41 is triggered to be opened, pulse air blowing is carried out towards the dust filter 3 through the pulse air pipe 4, so that the dust attached to the dust filter 3 is reversely blown out and falls into a dust hopper at the lower part, the dust filter 3 is enabled to recover the filtering capability again, after the completion, the pulse valve 41 is closed again, and the valves on the air inlet pipeline 101 and the air outlet pipeline 103 are opened again, so that the dust removing operation is carried out again. When the dust accumulation amount of the lower dust hopper reaches a certain amount, loading is carried out by opening the dust discharge valve 105 at the dust discharge port at the bottom.
Under the condition, according to the setting, each dust removing tank body automatically switches dust removing alternate operation after working for half an hour, when encountering air flow with larger dust content, pulse dust removing action is switched through the pressure difference of the first pressure sensor 14 and the second pressure sensor 15, and the filter operation state is switched back after a certain time delay.
In this embodiment, the air inlet valve 102, the air outlet valve 104, and the dust exhaust valve 105 are all pneumatic butterfly valves.
The dust removing system adopts differential pressure triggering, intelligently and automatically executes pulse back blowing air flow, eliminates dust adsorbed and accumulated on the dust filter and automatically falls into the dust hopper, so that the filtering capacity of the dust filter is recovered, and the manual operation can be reduced, and the enterprise cost is reduced; in addition, the dust removing system of the utility model is composed of two groups of dust removing tank bodies, which can continuously remove dust, and can ensure that the filtering capability of the dust filter is recovered to be better and then put into use, thereby prolonging the service lives of the filter and the whole dust removing system.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (7)
1. The utility model provides a differential pressure type pulse dust removal system, its includes at least one dust removal jar body, and the lower part of every dust removal jar body is the dust hopper, and the middle part is the filtration zone, and upper portion is the clean area, and the middle part outside of every dust removal jar body is connected with admission line and admission valve, and the top of every dust removal jar body is connected with gas outlet pipe and air outlet valve, its characterized in that: a partition plate is arranged between a filtering area and a cleaning area in each dust removing tank body, a plurality of filter mounting holes are formed in the partition plate, and a plurality of dust filters are installed at the position of each filter mounting hole downwards; a plurality of pulse air pipes penetrating through the inside and the outside of the cleaning area are arranged on the outer wall of the cleaning area of the dust removal tank body, a pulse valve is arranged in each pulse air pipe, the inner end of each pulse air pipe faces downwards and is opposite to the air outlet end of one dust filter, and the outer end of each pulse air pipe is communicated with a back-blowing air flow inlet; a first pressure sensor for detecting the air pressure of the filtering area is arranged on the outer wall of the filtering area of the dust removal tank body, and a second pressure sensor for detecting the air pressure of the cleaning area is arranged on the outer wall of the cleaning area; and triggering the work of an air inlet valve, an air outlet valve and a pulse valve on the dust removal tank body through the differential pressure value of the first pressure sensor and the second pressure sensor.
2. The differential pressure pulse dust removal system of claim 1, wherein: the dust removing system comprises two dust removing tank bodies which are jointly installed on the same frame, wherein the two dust removing tank bodies are connected in parallel through an air inlet pipeline and an air outlet pipeline of the two dust removing tank bodies, and pulse air pipes on the two dust removing tank bodies are also jointly connected with the same back-blowing air inlet pipe.
3. The differential pressure pulse dust removal system of claim 2, wherein: and the electric control box and the touch screen controller are electrically connected with the air inlet valve, the air outlet valve, the pulse valve, the first pressure sensor and the second pressure sensor.
4. The differential pressure pulse dust removal system of claim 2, wherein: and a third pressure sensor and a temperature sensor are arranged on the back-blowing airflow inlet pipe.
5. The differential pressure pulse dust removal system according to claim 1 or 2, wherein: and an access hole is also formed in the dust removal tank body.
6. The differential pressure pulse dust removal system according to claim 1 or 2, wherein: and an emptying valve is also connected to the outer wall of the cleaning area of the dust removal tank body.
7. The differential pressure pulse dust removal system of claim 2, wherein: a communication pipe is connected between the gas outlet pipelines at the top of the two dust removal tank bodies and below the gas outlet valve, and a connecting valve is arranged in the communication pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322155052.3U CN220633527U (en) | 2023-08-10 | 2023-08-10 | Differential pressure type pulse dust removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322155052.3U CN220633527U (en) | 2023-08-10 | 2023-08-10 | Differential pressure type pulse dust removal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220633527U true CN220633527U (en) | 2024-03-22 |
Family
ID=90287648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322155052.3U Active CN220633527U (en) | 2023-08-10 | 2023-08-10 | Differential pressure type pulse dust removal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220633527U (en) |
-
2023
- 2023-08-10 CN CN202322155052.3U patent/CN220633527U/en active Active
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