CN220632808U - Explosion-proof coal injection dust remover - Google Patents
Explosion-proof coal injection dust remover Download PDFInfo
- Publication number
- CN220632808U CN220632808U CN202322206464.5U CN202322206464U CN220632808U CN 220632808 U CN220632808 U CN 220632808U CN 202322206464 U CN202322206464 U CN 202322206464U CN 220632808 U CN220632808 U CN 220632808U
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- Prior art keywords
- dust remover
- explosion
- main
- pipe
- dust
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- 239000000428 dust Substances 0.000 title claims abstract description 116
- 238000002347 injection Methods 0.000 title claims abstract description 14
- 239000007924 injection Substances 0.000 title claims abstract description 14
- 239000003245 coal Substances 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000004744 fabric Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 39
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 19
- 238000001816 cooling Methods 0.000 abstract description 8
- 239000003595 mist Substances 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 13
- 239000007921 spray Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses an explosion-proof coal injection dust remover which comprises a support truss and at least one dust remover body arranged on the support truss, wherein a feed inlet is arranged on the side face of the dust remover body, a discharge outlet is arranged at the bottom of the dust remover body, the top of the dust remover body is sealed, a main water inlet pipe and a main air inlet pipe are arranged on the support truss, at least one branch pipe extending into the dust remover body is arranged on the main water inlet pipe and the main air inlet pipe, and the branch pipes on the main water inlet pipe and the main air inlet pipe are connected with an atomizing nozzle through a tee joint. The utility model has the advantages of simple structure, good fire-extinguishing and cooling performance and the like, water and nitrogen in the water inlet pipeline and the air inlet pipeline can be converged in the atomizing nozzle and atomized and sprayed out, atomized water and nitrogen can be rapidly diffused to the space in the dust remover, and the nitrogen can replace oxygen in the dust remover to play a role in fire extinguishment, and the water mist can extinguish fire and rapidly cool the dust remover to avoid great damage to the dust remover.
Description
Technical Field
The utility model relates to the technical field of dust removal equipment, in particular to an explosion-proof coal injection dust remover.
Background
The pulverized coal inevitably generates a lot of dust during the processing. In order to filter dust, dust-containing gas is generally filtered by a dust collector or a dust remover. Because some dust is inflammable after being accumulated in a large amount, the dust in the dust remover is easy to deflagrate during working, and after spontaneous combustion or ignition of the dust occurs, no more convenient and rapid fire extinguishing and cooling measures exist except nitrogen gas is filled in the dust remover at present.
The Chinese patent with the application number of CN200920028234.1 discloses a fireproof and explosion-proof dust remover, wherein a group of spray water pipes are respectively arranged at the outer sides of a distribution chamber and a dust removing bag below a vibration disk; one side of the aggregate bin is provided with a nitrogen inlet, and the bottom is provided with a discharge hole. The spray water pipe arranged outside the distribution chamber and the dust bag below the vibration disc can spray water to the dust bag when the distribution chamber and the vibration disc start, flame outside the dust bag is extinguished, the nitrogen inlet arranged on one side of the collecting bin can spray high-pressure nitrogen into the collecting bin when the distribution chamber and the vibration disc start, and flame inside the collecting bin and the dust bag can be extinguished by choking in the moment. In this scheme, spray header and nitrogen pipe are mutually independent, in case the dust bag is inside take place to catch fire, spray header and nitrogen pipe can independent operation, and spray header spun water droplet can't reach atomizing effect, and spun water droplet concentrates in one easily, and consequently its fire extinguishing effect has certain limitation, can't carry out whole cooling for the space of dust bag inside, and the cooling effect is relatively poor.
Disclosure of Invention
The utility model aims to solve the problems, designs an explosion-proof coal injection dust remover, and solves the problems of poor fire extinguishing and cooling effects and the like of the dust remover in the prior art.
The technical scheme of the utility model for achieving the purpose is that the explosion-proof coal injection dust remover comprises a support truss and at least one dust remover body arranged on the support truss, wherein a feed inlet is arranged on the side face of the dust remover body, a discharge outlet is arranged at the bottom of the dust remover body, the top of the dust remover body is sealed, a main water inlet pipeline and a main air inlet pipeline are arranged on the support truss, at least one branch pipe extending into the dust remover body is arranged on the main water inlet pipeline and the main air inlet pipeline, and the branch pipes on the main water inlet pipeline and the main air inlet pipeline are connected with an atomizing nozzle through a tee joint.
Preferably, the dust remover body comprises an upper body and a lower body, the lower body is conical, the branch pipes on the main water inlet pipeline and the main air inlet pipeline extend into the lower body of the dust remover body, and a dust removing cloth bag is arranged in the upper body.
Preferably, the side of the lower body is provided with an access window, and the inside of the lower body is provided with a reinforcing rib.
Preferably, the inlet ends of the main air inlet pipeline and the main water inlet pipeline are respectively provided with a stop valve for controlling water inlet and air inlet, and a discharge control valve is arranged at the discharge port of the dust remover body.
Preferably, at least one explosion-proof membrane is arranged on the side surface of the dust remover body.
Preferably, a thermometer is arranged on the side face of the dust remover body.
Preferably, the atomizing nozzle comprises a water-gas mixing pipeline and a plurality of nozzles arranged on the water-gas mixing pipeline, and the spraying direction of the nozzles is downward.
Compared with the prior art, the beneficial effects are that:
the utility model has the advantages of simple structure, good fire-extinguishing and cooling performance and the like, water and nitrogen in the water inlet pipeline and the air inlet pipeline can be converged in the atomizing nozzle and atomized and sprayed out, atomized water and nitrogen can be rapidly diffused to the space in the dust remover, and the nitrogen can replace oxygen in the dust remover to play a role in fire extinguishment, and the water mist can extinguish fire and rapidly cool the dust remover to avoid great damage to the dust remover.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic side elevational view of the present utility model;
fig. 3 is a schematic view of the structure of the atomizing spray head in the present utility model.
In the figure, 1, a dust remover body; 101. an upper body; 102. a lower body; 2. a support truss; 3. a main water inlet pipe; 4. a main intake pipe; 5. a stop valve; 6. an access panel; 7. an atomizing nozzle; 71. a water-gas mixing pipe; 72. a nozzle; 8. an explosion-proof membrane; 9. a ladder stand; 10. a discharge control valve; 11. a thermometer.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, an explosion-proof coal-injection dust collector mainly comprises a support truss 2 and a dust collector body 1 installed on the support truss 2, wherein a plurality of dust collector bodies 1 can be installed on the support truss 2, the dust collector body 1 mainly comprises an upper body 101 and a lower body 102, the upper body 101 is in a square structure, the lower body 102 is in a conical structure, a feed inlet is arranged on the side face of the lower body 102 and used for being connected with a gas pipeline containing dust, a discharge outlet is arranged at the bottom of the lower body 102, a discharge control valve 10 is arranged at the discharge outlet, and filtered dust can come out from the discharge outlet.
The top of the upper body 101 of the dust remover body 1 is of a sealing structure, the top of the upper body 101 is provided with an air outlet, the air outlet is connected with an air outlet pipeline, a dust removing cloth bag is arranged in the upper body 101, dust-containing gas enters the lower body 102 of the dust remover body 1 from a feed inlet, after being filtered by the dust removing cloth bag, the filtered gas can come out from the air outlet at the top of the dust remover body 1, and after being filtered by the dust removing filter bag, the filtered dust is left in the lower body 102 of the dust remover body 1 and finally comes out from a discharge hole.
Referring to fig. 1, in order to prevent spontaneous combustion or ignition of dust, a main water inlet pipe 3 and a main air inlet pipe 4 are provided on a support truss 2, the main water inlet pipe 3 for supplying cooling water and the main air inlet pipe 4 for supplying nitrogen. Wherein the main inlet pipe 3 and the main inlet pipe 4 are respectively provided with at least one branch pipe which can extend into the lower body 102 of the dust collector body 1, and two branch pipes are generally preferred, that is, two branch pipes on the main inlet pipe 3 and the main inlet pipe 4 extend into the lower body 102 of the dust collector body 1 through the dust collector body 1, i.e. are positioned below the dust collection filter bag. The branch pipes on the main air inlet pipe 4 and the main water inlet pipe 3 are connected to the atomizing nozzles 7 together through a tee joint, that is to say, two atomizing nozzles 7 are respectively positioned on two sides of the upper part of the lower body 102 of the dust remover body 1 in the dust remover body 1.
As shown in fig. 3, the atomizer 7 is composed of a water-gas mixing pipe 71 and a plurality of nozzles 72, wherein the water-gas mixing pipe 71 is T-shaped, the water-gas mixing pipe 71 is connected with the inlet main pipe 4 and the branch pipe on the inlet main pipe 3 through a tee joint, and the nozzles 72 are sequentially arranged at the bottom of the water-gas mixing pipe 71 with the spraying direction facing downwards. And a stop valve 5 is arranged at the inlet of the main water inlet pipeline 3 and the inlet pipeline 4 respectively and is used for controlling the closing of the pipelines.
Referring to fig. 2, a plurality of thermometers 11 are further disposed on the lower body 102 of the dust remover body 1, so as to detect the temperature inside the dust remover, and if the detected temperature is too high, it is indicated that spontaneous combustion of dust may occur in the dust remover, and then fire extinguishing and cooling of the dust remover are required. If the temperature is low and the fire is low, the stop valve 5 on the main water inlet pipeline 3 is in a closed state, the stop valve 5 on the main water inlet pipeline 4 is opened, the main water inlet pipeline 4 can supply nitrogen to the atomizing nozzle 7, and the nitrogen is sprayed into the lower body 102 of the dust remover body 1, and as the nitrogen is an inert gas, the nitrogen can replace oxygen in the dust remover, and redundant oxygen can be discharged through a gas outlet at the top of the dust remover; if abnormal conditions such as overhigh temperature and large fire in the dust remover occur, the stop valves 5 on the main water inlet pipeline 3 and the main air inlet pipeline 4 are opened simultaneously to supply water and air to the atomizing nozzle 7, atomized water mist is formed at the nozzle 72 after being mixed in the water-gas mixing pipeline 71 of the atomizing nozzle 7 to spray out, the atomized water mist can uniformly reach each corner of the dust remover, the dust remover is cooled, and meanwhile, nitrogen can play a role in inhibiting the fire, so that the aim of rapidly extinguishing fire is fulfilled.
The atomized water mist can cool the whole dust remover, and the cooling effect is very obvious. Because the pressure in the dust remover after firing can be very big, therefore we are provided with a plurality of pressure release windows in the side of the last body 101 of dust remover body 1, are provided with rupture disk 8 in pressure release window department, and the gaseous expansion that can be heated in the dust remover after firing can rise, and in case the pressure in the dust remover is too big, rupture disk 8 will be by the automatic effect of propping up, plays the effect of pressure release to prevent that the dust remover from taking place the explosion.
Referring to fig. 1, a reinforcing rib is further provided on the inner side of the lower body 102 of the dust collector body 1, and the reinforcing rib is looped around the inner wall of the lower body 102 to strengthen the structural strength of the lower body 102 of the dust collector body 1 and prevent the lower body 102 from deforming; meanwhile, an access window 6 is further arranged on the side wall of the lower body 102 of the dust collector body 1 so as to overhaul the lower body 102 of the dust collector body 1.
A crawling ladder 9 is further arranged on one side of the dust remover body 1, so that the pipeline of the dust remover is installed and overhauled when the pipeline climbs onto the dust remover during work.
Compared with the prior art, the dust remover has the advantages that the water liquid is atomized and sprayed out by the atomizing nozzle 7 through high-pressure nitrogen, so that water mist can be rapidly diffused to the periphery, and meanwhile, the nitrogen can replace oxygen in the dust remover to inhibit flame, so that the aim of rapidly extinguishing fire and reducing temperature is fulfilled.
The above technical solution only represents the preferred technical solution of the present utility model, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present utility model, and the technical solution falls within the scope of the present utility model.
Claims (7)
1. The utility model provides an explosion-proof coal injection dust remover, includes support truss (2) and sets up at least one dust remover body (1) on support truss (2), the side of dust remover body (1) is provided with the feed inlet, and the bottom is provided with the discharge gate, the top of dust remover body (1) is sealed, a serial communication port, be provided with main pipe (3) and main pipe (4) of admitting air of intaking on support truss (2), be provided with at least one branch pipe that extends into dust remover body (1) on main pipe (3) and the main pipe (4) of admitting air of intaking, branch pipe on main pipe (3) and the main pipe (4) of intaking is connected with atomizer (7) through the tee bend.
2. An explosion-proof coal injection dust remover as set forth in claim 1, wherein the dust remover body (1) includes an upper body (101) and a lower body (102), the lower body (102) is conical, and branch pipes on the main water inlet pipe (3) and the main air inlet pipe (4) extend into the lower body (102) of the dust remover body (1), and a dust removing cloth bag is arranged in the upper body (101).
3. An explosion-proof coal injection dust collector as claimed in claim 2, wherein the side of the lower body (102) is provided with an access window (6), and the inside of the lower body (102) is provided with reinforcing ribs.
4. An explosion-proof coal-injection dust remover according to claim 1, characterized in that the inlet ends of the main inlet pipe (4) and the main inlet pipe (3) are respectively provided with a stop valve (5) for controlling water inlet and air inlet, and the discharge port of the dust remover body (1) is provided with a discharge control valve (10).
5. An explosion-proof coal injection dust collector as claimed in claim 1, characterized in that the side of the dust collector body (1) is provided with at least one explosion-proof membrane (8).
6. An explosion-proof coal injection dust collector as claimed in claim 1, characterized in that the side of the dust collector body (1) is provided with a thermometer (11).
7. An explosion-proof coal-injection dust collector as set forth in claim 1, wherein the atomizing nozzle (7) comprises a water-gas mixing pipe (71) and a plurality of nozzles (72) arranged on the water-gas mixing pipe (71), and the spraying direction of the nozzles (72) is downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322206464.5U CN220632808U (en) | 2023-08-16 | 2023-08-16 | Explosion-proof coal injection dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322206464.5U CN220632808U (en) | 2023-08-16 | 2023-08-16 | Explosion-proof coal injection dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220632808U true CN220632808U (en) | 2024-03-22 |
Family
ID=90288433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322206464.5U Active CN220632808U (en) | 2023-08-16 | 2023-08-16 | Explosion-proof coal injection dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220632808U (en) |
-
2023
- 2023-08-16 CN CN202322206464.5U patent/CN220632808U/en active Active
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