CN214715420U - Dust removal explosion-proof filter for polishing dust particles - Google Patents
Dust removal explosion-proof filter for polishing dust particles Download PDFInfo
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- CN214715420U CN214715420U CN202120761543.0U CN202120761543U CN214715420U CN 214715420 U CN214715420 U CN 214715420U CN 202120761543 U CN202120761543 U CN 202120761543U CN 214715420 U CN214715420 U CN 214715420U
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Abstract
The utility model discloses a dust removal explosion-proof filter for polishing dust particles, including the filter box, install the filter in the filter box, the top of filter box has seted up the gas outlet, filter box bottom is connected with the dust collection bucket, filter box one side intercommunication has anti-static pipeline, anti-static pipeline is connected with atomizing spray system and inerting thing jetting device respectively, and the delivery port of atomizing spray system and the gas outlet of inerting thing jetting device all are located anti-static pipeline, still include pressure differential sensor, pressure differential sensor stretches into gas outlet and anti-static pipeline respectively, still include the compressed air pipeline, the compressed air pipeline is connected atomizing spray system, inerting thing jetting device and gas outlet respectively; the dust collecting device can be suitable for inflammable and explosive dust, can also be suitable for non-inflammable and explosive dust, can reduce the working cost due to different working logics for different works, is equipped with the explosion venting valve, and further improves the safety and reliability of equipment.
Description
Technical Field
The utility model belongs to the technical field of the filter, a be used for polishing dust particle dust removal explosion-proof filter is related to.
Background
Occupational disease hazard factors comprise productive dust (fur dust), noise, poison and the like, key control points of dust hazard comprise a sander and a soot blower, the sander adsorbs the sanded dust for a long time, diseases are easy to breathe, and pneumoconiosis and tumorigenesis are caused in some cases. Some metal dust (chromium, manganese, cadmium, lead, nickel, etc.) with strong toxicity enters human bodies and can cause poisoning to death. For example, lead causes anemia in humans, damages the brain, manganese, cadmium damages nerves and kidneys in humans, nickel can be carcinogenic, chromium can cause ulceration and perforation of nasal septum, and the incidence of lung cancer increases. After entering the lung of human body, the dust may cause various pneumoconiosis and some non-metal dust such as silicon, asbestos, carbon black, etc. which will become pneumosilicosis, asbestos lung or pneumoconiosis because it cannot be eliminated after inhaling human body.
The commonly used dust-laden gas dust remover comprises: cyclone dust collectors, bag dust collectors, electrostatic dust collectors, and the like. The cyclone dust collector removes dust particles from gas by using centrifugal force, and the dust collection efficiency of the dust collector can reach 95% -98% for dust with the particle size of 10-20 mu m, but the dust collection efficiency of the dust collector is very low and can only reach 60% -80% for dust with the particle size of less than 10 mu m. The bag-type dust remover mainly removes dust by external filtering action, the dust removal efficiency is higher, but the strength and the wear resistance of the bag are poorer, so that the service life of the bag-type dust remover is shorter and the bag-type dust remover needs to be replaced in time. The electrostatic dust collector removes dust by the action of electrostatic attraction and has the advantages of pressure reduction and no blockage, but the dust collector of the type requires the specific resistance of the dust to be controlled within a certain range, so that the structure is complex and the cost is high. The fixed bed has higher dust removal efficiency, but is an unstable process, and the pressure drop is increased, the dust removal efficiency is reduced and the filtering gas flow is smaller along with the continuous accumulation of dust in the pores among particles, so that the fixed bed has to be operated intermittently and ash is removed in time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be used for polishing dust particle dust removal explosion-proof filter can realize making the granule of polishing reunion reinforcing filter effect through atomizing jetting, and the dust particle of collection avoids taking place burning or explosion, simple structure through mixing with the inerting thing and reducing surface energy.
The utility model provides an adopted technical scheme, a be used for polishing dust particle dust removal explosion-proof filter, including the filter box, install the filter in the filter box, the gas outlet has been seted up at the top of filter box, and filter bottom half is connected with the dust collection bucket, filter box one side intercommunication has antistatic pipe way, and antistatic pipe way is connected with atomizing spraying system and inerting thing respectively and blows the device, and atomizing spraying system's delivery port and inerting thing spout the gas outlet of blowing the device and all be located antistatic pipe way, still includes pressure differential sensor, and pressure differential sensor stretches into the gas outlet respectively and prevents in the electrostatic pipe way, still includes the compressed air pipeline, the compressed air pipeline is connected atomizing spraying system, inerting thing respectively and is spouted device and gas outlet.
The utility model discloses a characteristics still lie in:
wherein, one side of the top of the filter box body, which is positioned at the air outlet, is also provided with a filter explosion venting valve;
wherein a pneumatic valve of the dust collecting barrel is also arranged between the filter box body and the dust collecting barrel, and the dust collecting barrel is also provided with a material level switch of the dust collecting barrel;
the atomization spraying system comprises a water tank, the water tank is connected with an atomization nozzle through a water pipeline, the atomization nozzle extends into the anti-static pipeline, a water mist spraying and blowing valve is further arranged on the water pipeline, and a water tank liquid level meter is further arranged at the top of the water tank;
the inerting object injection device comprises an inerting object box body, the inerting object box body is connected with an inerting object injection pipeline, the inerting object injection pipeline extends into the anti-static pipeline, an inerting object injection valve is further arranged on the inerting object injection pipeline, and an inerting object box body level meter is further arranged at the top of the inerting object box body;
the compressed air pipeline is connected with the water tank and the inerting object box body through pipelines respectively, a water tank water mist spraying compressed air valve is arranged between the compressed air pipeline and the water tank, and an inerting object spraying compressed air valve is arranged between the compressed air pipeline and the inerting object box body;
wherein a filter blowback valve is arranged between the compressed air pipeline and the air outlet.
The utility model has the advantages that:
the utility model discloses an explosion-proof filter for polishing dust particle dust removal can adjust different operating condition according to different operating modes, and under ordinary non-flammable and non-explosive dust condition, the equipment does not spray nor does the inerting thing jetting, reduces the running cost of equipment; the equipment opens a spray head to spray with an inerting substance under the condition of inflammable and explosive dust, such as metal dust, so that the dust is mixed with the inerting substance, agglomeration occurs, the surface energy of the dust is reduced, and the dust explosion and combustion are avoided; the method of active blasting and explosion pressure relief is adopted to relieve pressure so as to protect the safety of powder processing equipment and the safety of personnel and surrounding equipment.
Drawings
Fig. 1 is a schematic structural diagram of the dust particle dedusting explosion-proof filter for polishing of the utility model.
In the figure, 1, an air inlet, 2, an anti-static pipeline, 3, a differential pressure sensor, 4, an air outlet, 5, a filter explosion venting valve, 6, a filter box body, 7, a filter, 8, a water pipeline, 9, a water mist injection valve, 10, a water tank liquid level meter, 11, a water tank, 12, a compressed air pipeline, 13, a water tank water mist injection compressed air valve, 14, an inerting object injection pipeline, 15, an inerting object injection valve, 16, an inerting object box body level meter, 17, an inerting object box body, 18, an inerting object injection compressed air valve, 19, a dust collection barrel pneumatic valve, 20, a dust collection barrel level switch, 21, a dust collection barrel, 22 and a filter back flushing valve are arranged.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The surface of the dust adsorbs oxygen in the air, and the finer the particles are, the more oxygen is adsorbed, so that the explosion is easy to occur, and along with the reduction of the diameter of the dust particles, not only is the chemical activity increased, but also the dust particles are easy to be charged with static electricity; therefore, if explosive combustion of metal dust is to be avoided, it is a very effective method to reduce the surface contact area of metal dust and to make the metal dust particles larger;
the lower limit of dust explosion is the lowest concentration of dust which can explode when meeting a fire source in the air, the dust explosion is the quick combustion reaction of suspended dust particles, and the weight of the dust is increased by the adsorption effect of inerts and the dust, so that the suspended concentration of the dust can be effectively reduced;
the utility model provides a dust removal explosion-proof filter for polishing dust particles, as shown in figure 1, including the filter box 6, install filter 7 in the filter box 6, the filter core of filter 7 can carry out the blowback, and constitute by having the filter media group that is not stained with the coating, gas outlet 4 has been seted up at the top of filter box 6, filter explosion venting valve 5 has still been installed to one side that filter box 6 top is located gas outlet 4, filter box 6 bottom is connected with dust collection bucket 21, still install dust collection bucket pneumatic valve 19 between filter box 6 and the dust collection bucket 21, dust collection bucket 21 still is provided with dust collection bucket level switch 20; the switch is a switch quantity, and the level switch is switched on or off when the dust collection barrel is full (depending on whether the switch is normally open or normally closed), and a capacitance proximity switch or an induction proximity switch can be used, and a tuning fork switch can also be used.
The filter box body 6 one side intercommunication has anti-static pipeline 2, and the one end that filter box body 6 was kept away from to anti-static pipeline 2 is air inlet 1, and anti-static pipeline 2 is connected with atomizing spraying system and inerting thing respectively and spouts and blow the device, and atomizing spraying system's delivery port and inerting thing spout the gas outlet that blows the device and all be located anti-static pipeline 2.
The atomization spraying system comprises a water tank 11, the water tank 11 is connected with an atomization nozzle through a water pipeline 8, the atomization nozzle extends into the anti-static pipeline 2, a water mist spraying valve 9 is further arranged on the water pipeline 8, and a water tank liquid level meter 10 is further arranged at the top of the water tank 11;
the inerting object injection device comprises an inerting object box body 17, the inerting object box body 17 is connected with an inerting object injection pipeline 14, the inerting object injection pipeline 14 extends into the antistatic pipeline 2, an inerting object injection valve 15 is further arranged on the inerting object injection pipeline 14, and an inerting object box body level meter 16 is further arranged at the top of the inerting object box body 17;
the anti-static pipeline is characterized by further comprising a differential pressure sensor 3, wherein the differential pressure sensor 3 extends into the air outlet 4 and the anti-static pipeline 2 respectively;
the device also comprises a compressed air pipeline 12, wherein the compressed air pipeline 12 is respectively connected with the atomization spraying system, the inerting spraying device and the air outlet 4;
the compressed air pipeline 12 is respectively connected with the water tank 11 and the inerting substance box body 17 through pipelines, a water tank water mist spraying compressed air valve 13 is arranged between the compressed air pipeline 12 and the water tank 11, and an inerting substance spraying compressed air valve 18 is arranged between the compressed air pipeline 12 and the inerting substance box body 17;
a filter blowback valve 22 is arranged between the compressed air pipeline 12 and the air outlet 4.
The device of the utility model is used for processing the flow containing inflammable and explosive dust gas:
firstly, gas to be filtered containing dust enters a filter box body 6 from an anti-static pipeline 2 through a gas inlet 1;
then a water mist injection valve 9 and a water tank water mist injection compressed air valve 13 are opened, water in the water tank enters the anti-static pipeline 2 through the water conveying pipeline 8 under the action of compressed air and passes through the atomizing nozzle under the action of pressure to form water mist;
after the dust in the filter is sprayed by the water mist, a part of the dust is agglomerated and continues to move, and the water mist which does not react with the dust also continues to move along the pipeline;
an inerting material injection valve 15 and an inerting material injection compressed air valve 18 are opened, and inerting materials (such as calcium carbonate powder, cement powder and the like) in an inerting material box 17 enter the anti-static pipeline 2 through the inerting material injection pipeline 14 under the action of compressed air to form dispersed dust under the action of pressure;
the agglomerated dust and the inerts are adhered to each other, large particles in the process enter the filter box body, and the redundant water mist and the inerts are combined to form large particles in the same process and enter the filter box body;
the system comprises a water tank liquid level meter 10 and an inerting object tank body level meter 16, wherein the level of an object in a corresponding body is monitored in real time, and once water or an inerting object is lacked, the system gives an alarm to prompt that a corresponding substance is added in time;
large-particle dust, an inert substance combination and large-particle inert substances enter a filter box body 6, filtered gas passing through a filter element of a filter 7 is discharged through a gas outlet 4, and the corresponding gas meets the filtering index;
in the working process of the filter 7, the differential pressure sensor 3 can determine the saturation degree of the filter 7 by monitoring the differential pressure value of the air inlet and the air outlet 4;
once the filter 7 is saturated, the filter back-flushing valve 22 is opened, compressed air enters the filter 7, the back-flushing operation is completed under the action of pressure, objects attached to the surface of the filter 7 are blown down, the filter 7 is enabled to recover the initial filtering state, the filtered particles and the back-flushed particles enter the dust collection barrel 21, once the collected materials of the dust collection barrel reach the set height, the material level switch of the dust collection barrel is switched on, and an operator is informed to clear the dust collection barrel in time;
the pneumatic valve 19 of the dust collection barrel is closed, the pipeline can be completely closed, the dust collection barrel 21 can be moved away and emptied, the filter can continue to work, after the dust collection barrel 21 is reset, the pneumatic valve 19 is opened, filtered objects can continue to enter the dust collection barrel 21, and once the device explodes in the working process, pressure can be relieved through the explosion relief valve 5.
The device of the utility model does not contain the flow of flammable and combustible dust gas in the processing and does:
firstly, gas to be filtered containing dust enters a filter box body 6 from an anti-static pipeline 2 through a gas inlet 1, large-particle dust is discharged through a filter 7 of a filter element through a gas outlet 4, and the corresponding gas meets the filtering index;
in the working process of the filter 7, the differential pressure sensor 3 can determine the saturation degree of the filter 7 by monitoring the differential pressure value of the air inlet, namely the anti-static pipeline 2 and the air outlet 4
Once the filter 7 is saturated, the pulse valve, namely the filter blowback valve 22 is opened, compressed air enters the filter 7, blowback operation is completed under the action of pressure, and objects attached to the surface of the filter 7 are blown down, so that the filter is recovered to an initial filtering state;
the filtered particles and the particles subjected to back flushing enter the dust collection barrel 21, once the collected matters in the dust collection barrel 21 reach the set height, the material level switch of the dust collection barrel is switched on, and an operator is informed to clear the dust collection barrel in time; the pneumatic valve 19 of the dust collection barrel is closed, the pipeline can be completely closed, the dust collection barrel 21 can be moved away and emptied, the filter 7 can continue to work, after the dust collection barrel 21 is reset, the pneumatic valve 19 is opened, filtered objects can continue to enter the dust collection barrel 21, and once the equipment explodes in the working process, the pressure can be relieved through the explosion relief valve 5.
When the device of the utility model is used for processing the gas of inflammable and explosive dust, the gas containing inflammable and explosive dust is atomized by water and mixed with inerts to reduce the inflammable and explosive degree, and is easier to filter; and the filter core of the filter can be subjected to back flushing operation, the dust collection barrel of the filter can be replaced without interrupting the work of the filter, the filter is not only suitable for inflammable and explosive dust, but also suitable for non-inflammable and explosive dust, different working logics are used for different works, the working cost can be reduced, and the explosion venting valve is equipped, so that the safety and reliability of the equipment are further improved.
Claims (7)
1. The utility model provides a dust removal explosion-proof filter for polishing dust particle, its characterized in that, including filter box (6), install filter (7) in filter box (6), gas outlet (4) have been seted up at the top of filter box (6), and filter box (6) bottom is connected with dust collection bucket (21), filter box (6) one side intercommunication has anti-static pipeline (2), and anti-static pipeline (2) are connected with atomizing spraying system and inertia thing jetting device respectively, and atomizing spraying system's delivery port and inertia thing jetting device's gas outlet all are located anti-static pipeline (2), still include pressure differential sensor (3), and pressure differential sensor (3) stretch into gas outlet (4) and anti-static pipeline (2) respectively, still include compressed air pipeline (12), compressed air pipeline (12) connect atomizing spraying system respectively, An inert substance blowing device and an air outlet (4).
2. A dust-removing explosion-proof filter for grinding dust particles as recited in claim 1, characterized in that a filter explosion venting valve (5) is further installed on the top of the filter box (6) at one side of the air outlet (4).
3. The dust-removing and explosion-proof filter for grinding dust particles as claimed in claim 1, wherein a dust-collecting barrel pneumatic valve (19) is further installed between the filter box body (6) and the dust-collecting barrel (21), and the dust-collecting barrel (21) is further provided with a dust-collecting barrel level switch (20).
4. The dust removal and explosion prevention filter for grinding dust particles as claimed in claim 1, wherein the atomization spraying system comprises a water tank (11), the water tank (11) is connected with an atomization nozzle through a water pipeline (8), the atomization nozzle extends into the anti-static pipeline (2), a water mist injection valve (9) is further arranged on the water pipeline (8), and a water tank liquid level meter (10) is further arranged at the top of the water tank (11).
5. The dust removal and explosion prevention filter for grinding dust particles as claimed in claim 1, wherein the inerting substance injection device comprises an inerting substance tank (17), the inerting substance tank (17) is connected with an inerting substance injection pipeline (14), the inerting substance injection pipeline (14) extends into the antistatic pipeline (2), an inerting substance injection valve (15) is further arranged on the inerting substance injection pipeline (14), and an inerting substance tank level meter (16) is further arranged at the top of the inerting substance tank (17).
6. The dust removal and explosion prevention filter for grinding dust particles as claimed in claim 4 or 5, wherein the compressed air pipeline (12) is connected with the water tank (11) and the inerting substance tank (17) through pipelines respectively, a water tank water mist blowing compressed air valve (13) is arranged between the compressed air pipeline (12) and the water tank (11), and an inerting substance blowing compressed air valve (18) is arranged between the compressed air pipeline (12) and the inerting substance tank (17).
7. A dust-removing explosion-proof filter for grinding dust particles as claimed in claim 1, characterized in that a filter blowback valve (22) is arranged between the compressed air pipe (12) and the air outlet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120761543.0U CN214715420U (en) | 2021-04-14 | 2021-04-14 | Dust removal explosion-proof filter for polishing dust particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120761543.0U CN214715420U (en) | 2021-04-14 | 2021-04-14 | Dust removal explosion-proof filter for polishing dust particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214715420U true CN214715420U (en) | 2021-11-16 |
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ID=78603140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120761543.0U Active CN214715420U (en) | 2021-04-14 | 2021-04-14 | Dust removal explosion-proof filter for polishing dust particles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214715420U (en) |
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2021
- 2021-04-14 CN CN202120761543.0U patent/CN214715420U/en active Active
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