CN214050810U - Pulse type fire-retardant valve - Google Patents
Pulse type fire-retardant valve Download PDFInfo
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- CN214050810U CN214050810U CN202021913055.9U CN202021913055U CN214050810U CN 214050810 U CN214050810 U CN 214050810U CN 202021913055 U CN202021913055 U CN 202021913055U CN 214050810 U CN214050810 U CN 214050810U
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- air outlet
- mounting hole
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Abstract
A pulse type fire retardant valve comprises a shell, wherein one end of the shell is provided with an air inlet, and the other end of the shell is provided with an air outlet; the method is characterized in that: the top of the shell is provided with a mounting hole, a clamping groove is arranged on the inner wall of the shell and is right below the mounting hole, a fire retarding net is vertically inserted into the clamping groove and is blocked between the air inlet and the air outlet, and a plurality of blowing pipes are horizontally arranged on one side of the fire retarding net close to the air outlet; a compressed gas tank is arranged on the outer wall of the shell, a pulse valve is mounted at a gas outlet of the compressed gas tank, and the blowing pipe is communicated with the pulse valve; an ash bin is arranged at the bottom of the shell, and an ash cleaning opening is formed in the bottom of the ash bin. The utility model provides a not enough of prior art.
Description
Technical Field
The utility model relates to a back-fire relief valve technical field, concretely relates to pulsed back-fire relief valve.
Background
With the rapid development of science and technology, the living standard of people is continuously improved, and the requirement on environmental protection is increasingly strict. At present, most boilers use electrostatic dust collectors and bag-type dust collectors, the dust collection efficiency is high, and the environment-friendly discharge standard can be met. Dust is one of main emission pollutants of a coal-fired boiler, and the currently mainly adopted dust removal modes are electrostatic dust removal and cloth bag dust removal. Compared with electrostatic dust collection, the bag-type dust collector has the advantages of high dust collection efficiency, less equipment investment at one time, strong fuel applicability, online maintenance and the like. However, in actual operation, the bag-type dust remover sometimes has the phenomena of bag burning, bag pasting, damage and the like, so that the dust removal efficiency of the bag-type dust remover is sharply reduced, and the furnace shutdown maintenance can be caused in serious cases.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pulsed back-fire relief valve has solved the not enough of prior art.
The utility model adopts the technical proposal that: a pulse type fire retardant valve comprises a shell, wherein one end of the shell is provided with an air inlet, and the other end of the shell is provided with an air outlet; the method is characterized in that: the top of the shell is provided with a mounting hole, a clamping groove is arranged on the inner wall of the shell and is right below the mounting hole, a fire retarding net is vertically inserted into the clamping groove and is blocked between the air inlet and the air outlet, and a plurality of blowing pipes are horizontally arranged on one side of the fire retarding net close to the air outlet; a compressed gas tank is arranged on the outer wall of the shell, a pulse valve is mounted at a gas outlet of the compressed gas tank, and the blowing pipe is communicated with the pulse valve; an ash bin is arranged at the bottom of the shell, and an ash cleaning opening is formed in the bottom of the ash bin.
The two mounting holes are arranged in parallel, and a clamping groove is arranged right below each mounting hole; the fire-retardant net is inserted into the clamping groove, and a blowing pipe is horizontally arranged on one side of each layer of fire-retardant net close to the gas outlet, and the blowing pipes are communicated with the gas outlet of the compressed gas tank through pulse valves respectively.
And a sealing cover is fixed on the top surface of the shell to seal the mounting hole.
The clamping groove is of a U-shaped structure, and the fire blocking net is rectangular.
The bottom of the shell is provided with a support.
The ash bin is funnel-shaped, and is provided with an observation window.
Compared with the prior art, the utility model discloses beneficial effect who has:
1. the fire-retardant net is arranged to intercept the dust containing small spark fragments in the smoke dust, larger particles fall into the ash bin below, and small particles are attached to the fire-retardant net, so that the operation faults of bag burning, bag pasting, damage and the like of the bag-type dust remover caused by high temperature and combustible fly ash are avoided, and the operation condition of the bag-type dust remover adapting to the high temperature and combustible fly ash is improved;
2. the spraying and blowing pipe is arranged to perform timed pulse type spraying and blowing on the fire-retardant net, so that automatic ash removal of the fire-retardant net is realized, the fire-retardant net does not need to be regularly cleaned and maintained, and the service efficiency of the bag-type dust remover is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
fig. 4 is a schematic view of the structure of the slot of the present invention;
fig. 5 is a sectional view of the slot of the present invention;
fig. 6 is a schematic view of the usage state of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1-6 and the detailed description thereof.
A pulse type fire retardant valve comprises a shell 1, wherein one end of the shell 1 is provided with an air inlet 2, and the other end of the shell 1 is provided with an air outlet 3; the top of the shell 1 is provided with two mounting holes 1-1 in parallel, clamping grooves 4 are formed in the inner wall of the shell 1 and are arranged right below the corresponding mounting holes 1-1, fire retarding nets 5 are vertically inserted into the clamping grooves 4, the fire retarding nets 5 are blocked between the air inlet 2 and the air outlet 3, and a plurality of blowing pipes 7 are horizontally arranged on one side, close to the air outlet 3, of each layer of fire retarding net 5; a compressed air tank 8 is arranged on the outer wall of the shell 1, a pulse valve 9 is installed at an air outlet of the compressed air tank 8, and the blowing pipes 7 are respectively communicated with the pulse valve 9; an ash bin 6 is arranged at the bottom of the shell 1, and an ash cleaning opening 6-1 is formed in the bottom of the ash bin 6. A sealing cover 10 is fixed on the top surface of the shell 1 to seal the mounting hole 1-1.
In one embodiment, the mounting hole 1-1 is a rectangular through hole, the clamping groove 4 is in a U-shaped structure, and the fire-retardant net 5 is a rectangular stainless steel fire-retardant net. The bottom of the shell 1 is provided with a bracket 11. The ash bin 6 is funnel-shaped and is provided with an observation window 12.
When the automatic dust-removing device is used, the air inlet 2 of the fire-resisting valve is connected with an exhaust port of a boiler, the air outlet 3 is connected with an air inlet of the bag-type dust remover 13, the negative pressure generated by the fan 14 arranged at the air outlet of the bag-type dust remover 13 enables smoke generated by boiler combustion to intercept small spark fragments and dust contained in the smoke through the fire-resisting net 5 arranged in the fire-resisting valve, operation faults such as burning bags, pasting bags, damage and the like caused by high temperature and combustible fly ash are avoided, the spraying pipe 7 is enabled to spray attached dust on the fire-resisting net 5 at regular time by setting the opening time of the pulse valve 9, the attached dust on the fire-resisting net 5 falls into the ash bin below the fire-resisting net 5, the automatic cleaning of the fire-resisting net is realized, a worker observes the dust amount in the ash bin through the observation window 12 and irregularly cleans the dust out of the fire-resisting valve through the ash-removing port 6-1.
The utility model discloses not limit to and be used for the sack cleaner, can also be used to the dust remover of other types.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. A pulse type fire retardant valve comprises a shell (1), wherein one end of the shell (1) is provided with an air inlet (2), and the other end of the shell (1) is provided with an air outlet (3); the method is characterized in that: the top of the shell (1) is provided with a mounting hole (1-1), a clamping groove (4) is arranged on the inner wall of the shell (1) and right below the mounting hole (1-1), a fire blocking net (5) is vertically inserted into the clamping groove (4), the fire blocking net (5) is blocked between the air inlet (2) and the air outlet (3), and one side of the fire blocking net (5) close to the air outlet (3) is horizontally provided with a plurality of injection pipes (7); a compressed air tank (8) is arranged on the outer wall of the shell (1), a pulse valve (9) is installed at an air outlet of the compressed air tank (8), and the blowing pipe (7) is communicated with the pulse valve (9); an ash bin (6) is arranged at the bottom of the shell (1), and an ash cleaning opening (6-1) is formed in the bottom of the ash bin (6).
2. The pulse type fire retardant valve as claimed in claim 1, wherein: two mounting holes (1-1) are arranged in parallel, and a clamping groove (4) is arranged right below each mounting hole (1-1); fire blocking nets (5) are inserted into the clamping grooves (4), an injection pipe (7) is horizontally arranged on one side, close to the gas outlet (3), of each layer of fire blocking net (5), and the injection pipes (7) are communicated with the gas outlet of the compressed gas tank (8) through a pulse valve (9) respectively.
3. A pulsed flame arrestor valve as defined in claim 1 or 2, wherein: and a sealing cover (10) is fixed on the top surface of the shell (1) to seal the mounting hole (1-1).
4. A pulsed flame arrestor valve as defined in claim 3, wherein: the clamping groove (4) is of a U-shaped structure, and the fire blocking net (5) is rectangular.
5. The pulse type fire retardant valve as claimed in claim 4, wherein: the bottom of the shell (1) is provided with a bracket (11).
6. A pulsed flame arrestor valve as defined in claim 5, further comprising: the ash bin (6) is funnel-shaped, and is provided with an observation window (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021913055.9U CN214050810U (en) | 2020-09-04 | 2020-09-04 | Pulse type fire-retardant valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021913055.9U CN214050810U (en) | 2020-09-04 | 2020-09-04 | Pulse type fire-retardant valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214050810U true CN214050810U (en) | 2021-08-27 |
Family
ID=77385573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021913055.9U Active CN214050810U (en) | 2020-09-04 | 2020-09-04 | Pulse type fire-retardant valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214050810U (en) |
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2020
- 2020-09-04 CN CN202021913055.9U patent/CN214050810U/en active Active
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