CN220110661U - Closed-loop ash discharging device of dust remover - Google Patents
Closed-loop ash discharging device of dust remover Download PDFInfo
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- CN220110661U CN220110661U CN202321186990.3U CN202321186990U CN220110661U CN 220110661 U CN220110661 U CN 220110661U CN 202321186990 U CN202321186990 U CN 202321186990U CN 220110661 U CN220110661 U CN 220110661U
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- 239000000428 dust Substances 0.000 title claims abstract description 190
- 238000007599 discharging Methods 0.000 title abstract description 21
- 238000003860 storage Methods 0.000 claims abstract description 90
- 230000001502 supplementing effect Effects 0.000 claims abstract description 36
- 238000003756 stirring Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000010926 purge Methods 0.000 claims description 29
- 238000000605 extraction Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 50
- 238000000034 method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 238000001802 infusion Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model discloses a closed-loop ash discharging device of a dust remover, which relates to the technical field of ash discharging devices and comprises: the dust collector of the system, the dust inlet of the system dust collector is communicated with the dust outlet of the dust collector to be discharged; the air inlet of the cache tank is communicated with the air outlet of the system dust remover; the air storage pipeline is provided with an air compressor; the air inlet of the second air storage tank is communicated with the air outlet of the first air storage tank, and the air outlet of the second air storage tank is communicated with the dust remover to be discharged; the humidifying device is communicated with a dust outlet of the system dust remover, a stirring device and a conveying device are arranged in the humidifying device, and a dust outlet is arranged on one side of the humidifying device; the liquid supplementing tank is communicated with a liquid inlet of the humidifying device. The closed-loop system is used for sealing dust in the dust remover, so that the dust remover does not need to consume time and the like for oxidization and cannot pollute workshops.
Description
Technical Field
The utility model relates to the technical field of ash removal devices, in particular to a closed-loop ash discharge device of a dust remover.
Background
The single/polycrystalline furnace crystal pulling process generates a large amount of SiO dust which can be spontaneously burned when meeting air, the simple harmonic vacuum cleaner filters the SiO dust and stores the SiO dust in an ash bin, and ash discharging operation is required after the dust in the ash bin reaches a certain amount. At present, ash is discharged from a dust remover, generally, ash bin vibration is adopted, and ash is discharged from an ash discharging valve with a star-shaped ash discharging opening. For small dust collectors, because of small structural size, the aim of discharging ash is generally achieved by adopting original modes such as manual digging, shoveling, sweeping and the like.
The existing simple harmonic vacuum cleaner is shown as a single crystal silicon and polycrystalline silicon simple harmonic cleaner disclosed in patent No. CN105251281A, the dust cleaning mode is a manual dust cleaning mode, and in view of the characteristic that SiO dust can be spontaneously burned or even exploded when meeting air, the SiO dust needs to be oxidized slowly before manual dust cleaning, and the SiO dust is oxidized slowly into SiO 2 Dust, however, this process consumes a lot of time, and the large time loss has severely limited the increase in productivity.
The existing specific ash removal steps are as follows: the ash is slowly oxidized for 90-120 minutes before ash removal, and protective clothing, goggles and masks are needed to be worn when the ash is manually removed. Dust is collected into the bag by using the scraping plate and the broom, and dust can be raised in the operation process, so that secondary pollution is caused in the workshop environment. The cleaning of the subsequent workshops is carried out, and the maintenance of equipment is increased.
Therefore, there is an urgent need in the market for a closed-loop ash discharging device of a dust remover for solving the above problems.
Disclosure of Invention
The utility model aims to provide a closed-loop ash discharging device of a dust remover, which is used for solving the technical problems in the prior art, does not need to consume long and excessive time to wait for dust oxidation, and does not cause any pollution to workshops due to sealing treatment in the whole process.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model discloses a closed-loop ash discharging device of a dust remover, which comprises:
the dust collector comprises a system dust collector, wherein the dust inlet of the system dust collector is communicated with the dust outlet of the dust collector to be discharged through a dust discharge pipeline;
the air inlet of the cache tank is communicated with the air outlet of the system dust remover through an air extraction pipeline, and a vacuum pump is arranged on the air extraction pipeline;
the air inlet of the first air storage tank is communicated with the air outlet of the cache tank through an air storage pipeline, and an air compressor is arranged on the air storage pipeline;
the air inlet of the second air storage tank is communicated with the air outlet of the first air storage tank through an air storage connecting pipeline, and the air outlet of the second air storage tank is communicated with the dust remover to be discharged through a purging pipeline;
the humidifying device is communicated with a dust outlet of the system dust remover through a humidifying pipeline, a stirring device and a conveying device are arranged in the humidifying device, a dust outlet pipe orifice is arranged on one side of the humidifying device, and the dust outlet pipe orifice is used for being connected with one end of a mud discharge pipeline;
the liquid supplementing tank is communicated with the liquid inlet of the humidifying device through a liquid supplementing pipeline.
Preferably, the buffer tank is further communicated with the first air storage tank through a buffer air supplementing pipeline.
Preferably, the second air storage tank is communicated with a blowback port of the system dust remover through a blowback pipeline.
Preferably, the gas storage device further comprises a gas supplementing tank, wherein the gas supplementing tank is communicated with the first gas storage tank, and rare gas is filled in the gas supplementing tank.
Preferably, the buffer tank and the second air storage tank are both provided with a temperature transmitter and a pressure transmitter;
and the system dust remover and the first air storage tank are both provided with pressure transmitters.
Preferably, the ash discharge pipeline, the air extraction pipeline, the air storage connecting pipeline, the purging pipeline, the humidifying pipeline, the mud discharge pipeline and the fluid supplementing pipeline are all provided with electric control valves.
Preferably, the stirring device comprises a stirring motor, wherein an output shaft of the stirring motor is connected with a stirring shaft, and a plurality of blades are arranged on the stirring shaft;
the dust outlet pipe orifice is of a conical structure, the conveying device is arranged at the dust outlet pipe orifice, the conveying device is positioned at the dust outlet pipe orifice, and the conveying device is a conveying auger.
Preferably, the system dust remover, the vacuum pump, the buffer tank, the first air storage tank, the second air storage tank and the humidifying device are all arranged on the transportation trolley.
Preferably, the system dust remover is a filter dust remover, the vacuum pump is a rotary vane vacuum pump, and the air compressor is a screw air compressor.
Compared with the prior art, the utility model has the following technical effects:
the utility model can sweep the dust in the dust remover to be discharged into the system dust remover by using the second air storage tank, and the dust from the dust remover to be discharged is dedusted by using the system dust remover, and the filtered dust forms a mud-shaped structure by using the stirring device in the humidifying device and is finally discharged. Dust in the whole process is treated in a sealing way and cannot be in contact with the outside to explode. And no pollution is caused to workshops in the treatment process or in the final mud discharging treatment.
In addition, the whole system can completely realize automatic control, thereby reducing the labor intensity of staff and also reducing the labor cost of enterprises.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a piping connection diagram of a closed-loop ash ejector of a dust collector according to an embodiment;
FIG. 2 is a front view of a closed loop ash ejector of a dust collector according to an embodiment;
FIG. 3 is a side view of a closed loop ash discharge device of a dust collector of an embodiment;
in the figure: 1-a system dust remover; 2-a vacuum pump; 3-a cache tank; 4-an air compressor; 5-a first air storage tank; 6-a second air storage tank; 7-a humidifying device; 8-a liquid supplementing tank; 9-a gas supplementing tank; 10-a dust remover to be discharged; 11-ash discharge pipelines; 12-an air extraction pipeline; 13-a gas storage pipeline; 14-caching the air supplementing pipeline; 15-a mud discharging pipeline; 16-a gas storage connecting pipeline; 17-blowback pipeline; 18-a gas storage and supplementing pipeline; 19-a fluid supplementing pipeline; 20-purge line.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
The utility model aims to provide a closed-loop ash discharging device of a dust remover, which is used for solving the technical problems in the prior art, does not need to consume long and excessive time to wait for dust oxidation, and does not cause any pollution to workshops due to sealing treatment in the whole process.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Embodiment 1,
As shown in fig. 1 to 3, the present embodiment provides a closed-loop ash discharging device of a dust remover, including:
the dust collector 1, the dust inlet of the system dust collector 1 is communicated with the dust outlet of the dust collector 10 to be discharged through the dust discharge pipeline 11, the specification of the dust discharge pipeline 11 is DN50, so that dust in the dust collector 10 to be discharged can enter the system dust collector 1 through the dust discharge pipeline 11, wherein the dust collector 10 to be discharged comprises, but is not limited to, a single crystal silicon and polysilicon simple harmonic dust collector mentioned in the background art, and can also be other dust collectors needing dust discharge;
the air inlet of the buffer tank 3 is communicated with the air outlet of the system dust remover 1 through an air suction pipeline 12, a vacuum pump 2 is arranged on the air suction pipeline 12, and the vacuum pump 2 can be used for sucking the air in the system dust remover 1 into the buffer tank 3, so that the system dust remover 1 is in an environment with smaller pressure;
the air inlet of the first air storage tank 5 is communicated with the air outlet of the cache tank 3 through an air storage pipeline 13, an air compressor 4 is arranged on the air storage pipeline 13, and the air in the cache tank 3 can be pumped into the first air storage tank 5 by the air compressor 4;
the gas inlet of the second gas storage tank 6 is communicated with the gas outlet of the first gas storage tank 5 through a gas storage connecting pipeline 16, gas in the first gas storage tank 5 can be conveyed into the second gas storage tank 6, the gas outlet of the second gas storage tank 6 is communicated with the dust remover 10 to be discharged through a purging pipeline 20, the gas in the second gas storage tank 6 can be conveyed into the dust remover 10 to be discharged to purge the dust remover, and the purging pipeline 20 is divided into 4 pipes with the specification;
the humidifying device 7 is communicated with a dust outlet of the system dust remover 1 through a humidifying pipeline, a stirring device and a conveying device are arranged in the humidifying device 7, wherein the stirring device can mix dust and liquid (the liquid adopted in the embodiment is water), the conveying device is used for conveying out the mixed mud-like mixture, a dust outlet pipe orifice is arranged on one side of the humidifying device 7 and is used for being connected with one end of a mud discharge pipeline 15, and the conveying device is used for discharging the mixed mud through the dust outlet pipe orifice and the mud discharge pipeline 15;
the liquid supplementing tank 8, the liquid supplementing tank 8 is communicated with a liquid inlet of the humidifying device 7 through a liquid supplementing pipeline 19, and the liquid supplementing tank 8 supplies liquid mixed with dust, such as water, into the humidifying device 7 through the liquid supplementing pipeline 19.
When the ash removal treatment is required to be carried out on the ash remover 10 to be discharged, the purging pipeline 20 is opened, so that the high-pressure gas in the second gas storage tank 6 is blown into the ash remover 10 to be discharged. At the same time, the vacuum pump 2 and the air compressor 4 are started, so that dust in the dust remover 10 to be discharged can be better sucked into the system dust remover 1 under the low-pressure environment of the system dust remover 1, and the dust is filtered and removed in the system dust remover 1. The gas after dust removal passes through the buffer tank 3 and the first gas storage tank 5 and then flows into the second storage tank to wait for the next purging. The dust filtered in the system dust collector 1 flows into the humidifying device 7 through a humidifying pipeline, and the dust and the water conveyed by the fluid infusion tank 8 are sufficiently stirred and mixed under the action of a stirring device in the humidifying device 7, so that the dust and the water are formed into a mud-like mixture (also called mud). The effect of mixing the dust with the water is that the water is used for wrapping the dust, so that the problem of explosion caused by contact of the dust with air can be effectively prevented; in addition, the water and the dust are combined, so that the whole volume of the dust can be effectively reduced, the contact area of the dust and air is further reduced, and the explosion is prevented. Finally, the stirred mud-like mixture is conveyed out by a conveying device in the humidifying device 7.
In this embodiment, the buffer tank 3 and the first air storage tank 5 are also communicated through a buffer air supplementing pipeline 14. When the pressure in the buffer tank 3 is small (less than atmospheric pressure), the gas in the first gas storage tank 5 needs to be delivered into the buffer pipe through the buffer gas supplementing pipeline 14 until the gas pressure in the buffer tank 3 is more than 10kPa than the atmospheric pressure. The purpose of pressure increase in the buffer tank 3 is to make the buffer tank with higher air pressure more beneficial to the operation of the air compressor 4, and if the air pressure in the buffer tank 3 is smaller or the buffer tank 3 is not arranged, the service life of the air compressor 4 is seriously affected.
In this embodiment, the second air tank 6 is communicated with a blowback port of the system dust collector 1 through a blowback pipeline 17. When the filter element in the system dust remover 1 is easy to be blocked for a long time, the gas in the second gas storage tank 6 can be conveyed into the system dust remover 1 through the back blowing pipeline 17, so that the blocked dust in the filter element in the system dust remover 1 is blown off, the blown dust can enter the humidifying device 7 again, and the filter element is not blocked by the dust, so that the filtering efficiency of the filter element is improved.
In this embodiment, the air-filling tank 9 is further included, and the air-filling tank 9 is communicated with the first air-storage tank 5 through an air-storage air-filling pipeline 18, and rare gas including but not limited to nitrogen is filled in the air-filling tank 9.
In actual use, the first air tank 5 is supplemented with air by the air supplementing tank 9, and the air in the first air tank 5 flows into other devices in a closed loop system, so that the air pressure of each device is maintained stable. In addition, the inert gas is used because the problem of explosion caused by the contact reaction with dust is avoided.
In this embodiment, the buffer tank 3 and the second air storage tank 6 are both provided with a temperature transmitter and a pressure transmitter, the temperature in the buffer tank 3 and the second air storage tank 6 can be monitored in real time by using the temperature transmitter, and the pressure in the buffer tank 3 and the second air storage tank 6 can be monitored in real time by using the pressure transmitter.
And similarly, the system dust remover 1 and the first air storage tank 5 are respectively provided with a pressure transmitter, and the pressure in the system dust remover 1 and the first air storage tank 5 can be monitored in real time through the pressure transmitters.
In addition, can also set up a controller, the controller can be PLC controller, singlechip, industrial computer or computer etc. all can to above-mentioned vacuum pump 2, air compressor machine 4, temperature transmitter and pressure transmitter all are connected with the controller electricity, in order to realize staff's remote monitoring.
In addition, a flow transmitter is provided on the fluid replenishment line 19, by means of which the water supply can be monitored.
In this embodiment, the ash discharge pipeline 11, the air extraction pipeline 12, the air storage pipeline 13, the air storage connection pipeline 16, the purge pipeline 20, the humidification pipeline, the sludge discharge pipeline 15, the liquid supplementing pipeline 19, the buffer air supplementing pipeline 14, the air storage air supplementing pipeline 18 and the back blowing pipeline 17 are all provided with electric control valves. It can be understood that in this embodiment, each pipeline is provided with an electric control valve, and the electric control valve is electrically connected to the controller, so that a worker can conveniently and remotely control the opening or closing of each pipeline.
In this embodiment, as shown in fig. 3, the humidifying device 7 is installed below the system dust collector 1, the stirring device in the humidifying device 7 includes a stirring motor, the output shaft of the stirring motor is connected with a stirring shaft, a plurality of blades are arranged on the stirring shaft, the stirring shaft can be driven to rotate by the stirring motor, and the plurality of blades are utilized to sufficiently stir water and dust, so that a mud-shaped mixture is formed.
The dust outlet pipe orifice is of a conical structure, the dust outlet pipe orifice is horizontally arranged, and the diameter of the dust outlet pipe orifice gradually increases from left to right in fig. 3. The dust outlet pipe orifice is provided with a conveying device, the conveying device is positioned at the dust outlet pipe orifice, the conveying device is a conveying auger, and one end of the conveying auger is connected with an auger motor. The conveyer auger can be driven to rotate by utilizing the auger motor, so that the mud-shaped mixture in the humidifying device 7 is conveyed out. The conical dust outlet is arranged, so that the gap between the conveying auger and the dust outlet is gradually reduced, the volume of the mud-like mixture is further compressed, and the risk of dust explosion is further reduced.
In this embodiment, the system dust collector 1, the vacuum pump 2, the buffer tank 3, the first air storage tank 5, the second air storage tank 6, the humidifying device 7 and the air supplementing tank 9 are all arranged on the transportation trolley. The whole system can be driven to move to the position of the ash collector 10 to be discharged for ash discharge by using the transport trolley, so that the whole system is convenient to move.
As for the specific transportation cart, a common cart or an electric cart may be used, and is not limited herein.
In this embodiment, the system dust collector 1 is a conventional filter dust collector, and has a filter element therein. The vacuum pump 2 is a rotary vane vacuum pump 2. The air compressor 4 is a screw air compressor. Of course, those skilled in the art can also adopt other kinds of system dust collectors 1, vacuum pumps 2 and air compressors 4, and are not limited to this embodiment.
Embodiment II,
The embodiment provides an ash discharging method of a closed-loop ash discharging device of a dust remover based on the first embodiment, which comprises preparation work, first purging operation, second purging operation and subsequent work.
Wherein, the preparation work includes:
step one, the whole equipment is connected with the dust remover 10 to be discharged, specifically, the whole device is pushed to the side of the dust remover 10 to be discharged through a transportation trolley, one end of the dust discharging pipeline 11 is connected with a dust outlet of the dust remover 10 to be discharged, one end of the purging pipeline 20 is connected with an air inlet of the dust remover 10 to be discharged, and after the pipeline connection is completed, each electric control valve is closed, so that each pipeline cannot normally circulate.
And step two, starting the vacuum pump 2, and reducing the internal air pressure of the system dust remover 1 to keep the internal air pressure at about 1000 Pa. The gas in the system dust remover 1 is discharged to the buffer tank 3, the pressure transmitter in the buffer tank 3 monitors the internal pressure in real time, and after the pressure in the buffer tank 3 reaches the expected pressure (10 kPa more than the atmospheric pressure), the air compressor 4 is started to discharge the gas in the buffer tank 3 to the first air storage tank 5.
And step three, when the pressure in the buffer tank 3 is lower than the set pressure (less than the atmospheric pressure), an electric control valve on the buffer air supplementing pipeline 14 is started, and the air in the first air storage tank 5 is supplemented to the buffer tank 3 through the buffer air supplementing pipeline until the pressure of the buffer tank 3 reaches 10kPa more than the atmospheric pressure.
The first purging operation includes:
step one, an electric control valve on a purging pipeline 20 is opened, and a second air storage tank 6 performs purging operation on an ash bin of the ash collector 10 to be discharged through the purging pipeline 20.
And secondly, starting the vacuum pump 2, starting the air compressor 4 after the buffer tank 3 reaches the expected pressure (10 kPa more than the atmospheric pressure), and exhausting to the first air storage tank 5 to ensure that the air pressure of each device is normal.
And thirdly, after the first purging operation is started for a plurality of seconds (2 s), a blowback pipeline 17 (an electric control valve on the blowback pipeline 17 is opened) between the second air storage tank 6 and the system dust remover 1 is started, and blowback dust removal is carried out on the filter element of the system dust remover 1.
Step four, starting the humidifying device 7 after the first purging operation starts for 2 seconds, opening an electric control valve on the fluid infusion pipeline 19, carrying out the fluid infusion operation on dust in the humidifying device 7 through the fluid infusion pipeline 19, and stopping the stirring device in the humidifying device 7 after stirring for a plurality of seconds.
The second purge operation includes:
step one, after the first purging operation is completed and a delay of several seconds, the purging pipeline 20 (the electric control valve on) is closed, the gas storage connecting pipeline 16 (the electric control valve on) is opened, and the second gas storage tank 6 is closed when the pressure reaches the expected pressure (0.4 MPa more than the atmospheric pressure).
Step two, opening a purging pipeline 20 (an electric control valve on the purging pipeline), and starting a vacuum pump 2 and an air compressor 4 to ensure the air pressure of each device;
after the second purging operation is started for a plurality of seconds, a blowback pipeline 17 between the second air storage tank 6 and the system dust remover 1 is started to carry out blowback dust removal on the filter element of the system dust remover 1;
the humidifying device 7 is started, the liquid adding operation is carried out on dust in the humidifying device 7 through the liquid supplementing pipeline 19, and the stirring device in the humidifying device 7 can stir for a plurality of seconds and then stop.
Step three, after the gas is discharged to the first gas storage tank 5, opening the gas storage connecting pipeline 16 when the first gas storage tank 5 reaches 0.8mPa more than the atmospheric pressure until the first gas storage tank 5 is reduced to 0.4mPa more than the atmospheric pressure, and closing; after the second air storage tank 6 is purged and the pressure is released, the air storage connecting pipeline 16 is opened again when the first air storage tank 5 is waited for storing energy to be 0.8mPa more than the atmospheric pressure, and the next purging operation is waited for.
The subsequent work includes:
when the (electric control valve of the) gas storage connecting pipeline 16 is opened, and the pressure of the first gas storage tank 5 and the second gas outlet pipe is insufficient (less than 0.4MPa more than the atmospheric pressure), the gas is supplemented to the first gas storage tank 5 through the gas storage supplementing pipeline until the expected pressure (0.4 MPa more than the atmospheric pressure) is satisfied.
And secondly, after purging is finished, monitoring the system dust remover 1, the humidifying device 7 and the buffer tank 3 to ensure that the pressure is 200-400 Pa higher than the atmospheric pressure, and the system dust remover is in a gas pressure environment which is slightly higher than the atmospheric pressure, so that external gas is prevented from entering.
And thirdly, after the purging is finished, starting a conveying device of the humidifying device 7 to perform mud discharging operation, and discharging the mud-shaped mixture in the humidifying device 7.
The principles and embodiments of the present utility model have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present utility model and its core ideas; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (9)
1. A closed loop ash discharge device for a dust collector, comprising:
the dust collector comprises a system dust collector, wherein the dust inlet of the system dust collector is communicated with the dust outlet of the dust collector to be discharged through a dust discharge pipeline;
the air inlet of the cache tank is communicated with the air outlet of the system dust remover through an air extraction pipeline, and a vacuum pump is arranged on the air extraction pipeline;
the air inlet of the first air storage tank is communicated with the air outlet of the cache tank through an air storage pipeline, and an air compressor is arranged on the air storage pipeline;
the air inlet of the second air storage tank is communicated with the air outlet of the first air storage tank through an air storage connecting pipeline, and the air outlet of the second air storage tank is communicated with the dust remover to be discharged through a purging pipeline;
the humidifying device is communicated with a dust outlet of the system dust remover through a humidifying pipeline, a stirring device and a conveying device are arranged in the humidifying device, a dust outlet pipe orifice is arranged on one side of the humidifying device, and the dust outlet pipe orifice is used for being connected with one end of a mud discharge pipeline;
the liquid supplementing tank is communicated with the liquid inlet of the humidifying device through a liquid supplementing pipeline.
2. The closed loop ash discharge device of a dust collector of claim 1, wherein: the buffer tank is also communicated with the first air storage tank through a buffer air supplementing pipeline.
3. The closed loop ash discharge device of a dust collector of claim 1, wherein: the second air storage tank is communicated with a back blowing port of the system dust remover through a back blowing pipeline.
4. The closed loop ash discharge device of a dust collector of claim 1, wherein: the gas storage device further comprises a gas supplementing tank, wherein the gas supplementing tank is communicated with the first gas storage tank, and rare gas is filled in the gas supplementing tank.
5. The closed loop ash discharge device of a dust collector of claim 1, wherein: the buffer tank and the second air storage tank are both provided with a temperature transmitter and a pressure transmitter;
and the system dust remover and the first air storage tank are both provided with pressure transmitters.
6. The closed loop ash discharge device of a dust collector of claim 1, wherein: the ash discharge pipeline, the air extraction pipeline, the air storage connecting pipeline, the purging pipeline, the humidifying pipeline, the mud discharge pipeline and the fluid supplementing pipeline are all provided with electric control valves.
7. The closed loop ash discharge device of a dust collector of claim 1, wherein: the stirring device comprises a stirring motor, wherein an output shaft of the stirring motor is connected with a stirring shaft, and a plurality of blades are arranged on the stirring shaft;
the dust outlet pipe orifice is of a conical structure, the conveying device is arranged at the dust outlet pipe orifice, the conveying device is positioned at the dust outlet pipe orifice, and the conveying device is a conveying auger.
8. The closed loop ash discharge device of a dust collector of claim 1, wherein: the system dust remover, the vacuum pump, the buffer tank, the first air storage tank, the second air storage tank and the humidifying device are all arranged on the transportation trolley.
9. The closed loop ash discharge device of a dust collector of claim 1, wherein: the system dust remover is a filtering dust remover, the vacuum pump is a rotary vane vacuum pump, and the air compressor is a screw air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321186990.3U CN220110661U (en) | 2023-05-17 | 2023-05-17 | Closed-loop ash discharging device of dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321186990.3U CN220110661U (en) | 2023-05-17 | 2023-05-17 | Closed-loop ash discharging device of dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220110661U true CN220110661U (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321186990.3U Active CN220110661U (en) | 2023-05-17 | 2023-05-17 | Closed-loop ash discharging device of dust remover |
Country Status (1)
| Country | Link |
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| CN (1) | CN220110661U (en) |
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2023
- 2023-05-17 CN CN202321186990.3U patent/CN220110661U/en active Active
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