CN201579236U - Vacuum closed loop dust collecting, cleaning and conveying purifier - Google Patents
Vacuum closed loop dust collecting, cleaning and conveying purifier Download PDFInfo
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- CN201579236U CN201579236U CN2010201052388U CN201020105238U CN201579236U CN 201579236 U CN201579236 U CN 201579236U CN 2010201052388 U CN2010201052388 U CN 2010201052388U CN 201020105238 U CN201020105238 U CN 201020105238U CN 201579236 U CN201579236 U CN 201579236U
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Abstract
The utility model discloses a vacuum closed loop dust collecting, cleaning and conveying purifier, which consists of a dust collecting purifying system, a vacuum forming system, an air storage system, an impulse dust cleaning system, a pressure dust conveying system and a program control system. The dust collecting purifying system is communicated with the vacuum forming system, the vacuum forming system is communicated with the air storage system, the impulse dust cleaning system is communicated with the air storage system and the dust collecting purifying system, the pressure dust conveying system is communicated with the air storage system and the dust collecting purifying system, and the program control system is respectively connected with the vacuum forming system, the dust collecting purifying system, the air storage system, the impulse dust cleaning system and the pressure dust conveying system and controls the systems to operate. The vacuum closed loop dust collecting, cleaning and conveying purifier has the advantages that the purifier has strong dust collection capacity, realizes completely standard gas treatment, can not cause secondary pollution in waste material emission, and is safe in use.
Description
Technical field
The utility model relates to a kind of environment friendly purification apparatus, the dust suction of particularly a kind of vacuum closed loop, deashing and defeated grey purifier.
Background technology
At present, dust suction conveying device type used in everyday is more in environment friendly purification apparatus, vacuum cleaner is arranged, the negative pressure pneumatic ash removal system, the combined type ash disposal system, dry powder ash conveying device and negative pressure dust collection equipment, cyclone dust collectors and pulse dust cleaning deduster etc., be widely used in the thermal power plant, steel plant, the shipyard, the cement plant, the mine, the chemical plant, civil construction, municipal and environment-friendly, various fields such as grain conveying, but in use all exist deficiency, can not reach the purification requirement fully, and in use also there are some potential safety hazards in the device that has, for example: when using the negative pressure dust collecting system because thermal expansion, detonation, problems such as pressure combustion, cause the boiler body seal break-off, causing Lou, powder leaks cigarette, particularly heavy duty boiler is equipped with positive pressure direct blowing powder system, because the pulverized coal preparation system duff pipe is revealed, make each platform of boiler accumulate a large amount of dust, very easily cause fire, cause interruption of service, the production environment of while severe contamination boiler factory building, the thermal power plant that has uses the mobile negative-pressure vacuum sweeper to carry out purified treatment: this car is equipped with special-purpose Diesel engine and directly drags the high negative pressure roots blower, prime configuration fiber bag precipitator and storage bin, and have dust-removal cloth-bag automatic back blow and an automatic discharging function, the dust that sucks in the car is stored in discharging regularly in the feed bin, dusty gas is through the sack cleaner dedusting, tail gas enters atmosphere through roots blower, the main in use shortcoming of this vacuum sweeper has: the roots blower air quantity is little, dust removal ability is obviously not enough, particularly in the face of the huge dust suction pipe network of large-sized boiler, this shortcoming is more outstanding, the device structure complexity, maintenance is big, consumable accessorys such as filter bag are changed frequent, operate loaded down with trivial detailsly, can cause secondary pollution when dry ash discharging and internal cleaning.
Using fixedly in some industrial and mining enterprises that have, the dry type dust exhaust apparatus carries out the air cleaning processing; the mode that this dust exhaust apparatus adopts cyclone dust removal and bag-type dust to combine mostly; promptly in working order; dust at first enters cyclone dust collectors; carrying out the one-level meal separates with foreign material; the residue dust enters the secondary sack cleaner and carries out secondary separation; tail gas after the purification enters atmosphere through roots blower; the use shortcoming of this kind equipment is: deduster feed bin volume is limited; when inhaling a large amount of dust, need shut down discharge midway; sack cleaner inlet dust concentration is too high; surpass the deduster disposal ability; cause filter bag blowback frequent breakage too fast, increase operating cost and maintenance, easy airborne dust causes secondary pollution during the material discharging.
Fixedly wet type dust exhaust apparatus is used in some places that have: deduster adopts wet cyclome and multistage rotational flow wet-type deduster mostly.Dust carries out one-level through Whirlwind wet collector to be separated, the residue dust is through the secondary separation of the multistage rotational flow wet-type deduster of secondary, tail gas is in blower fan enters boiler back end ductwork, the use shortcoming of this equipment: dust collector efficiency is not high, the inlet dust concentration is too high, exhaust emissions exceeds standard, and has to exhaust emissions in boiler back end ductwork, causes easily that flue leaks out, damage in impeller, the blower fan negative pressure is low, suction is less.
Summary of the invention
The utility model be secondary pollution when solving above-mentioned traditional dust suction purifier dust removal ability deficiency, trash discharge, gas treatment not up to standard, set up some problems that occur potential safety hazard in blowing plant and the use easily and a kind of vacuum closed loop dust suction that provides, deashing and defeated grey purifier.
The utility model is by dust separation system, vacuum forms system, gas storage system, the pulse dust cleaning system, pressure ash-transmission system and program control system are formed, wherein dust separation system and vacuum form system connectivity, vacuum forms system and is communicated with gas storage system, the pulse dust cleaning system is communicated with gas storage system and dust separation system, the pressure ash-transmission system is communicated with gas storage system and dust separation system, program control system forms system with vacuum respectively, dust separation system, gas storage system, the pulse dust cleaning system links to each other with the pressure ash-transmission system, controls each system and carries out work.
Dust separation system is by the pipe network interface unit, two cyclone dust collectors, a sack cleaner is formed, two cyclone dust collectors are communicated with setting side by side, be communicated with by an air inlet pipe between pipe network interface unit and the cyclone dust collectors, being connected tracheae by one between another cyclone dust collectors and the sack cleaner is communicated with, the lower end of sack cleaner is provided with the blowback air inlet pipe, the lower end of each cyclone dust collectors and sack cleaner all is communicated with dust storage container, be equipped with the material sensor on each dust storage container, liquid level sensor, the material sensor links to each other with program control system with liquid level sensor, the lower end of each dust storage container is installed on ash releasing tube, ash releasing tube and dust storage container joint are provided with electric butterfly valve, and electric butterfly valve links to each other with program control system.
Vacuum forms system and is made up of motor, Roots vaccum pump, Roots vaccum pump is by driven by motor work, motor is connected with program control system, and the air inlet of Roots vaccum pump is communicated with by appendix with sack cleaner in the dust separation system, and appendix is provided with elastomeric joint.
Gas storage system is made up of bain-marie and air accumulator, the lower end of bain-marie is provided with air inlet, the upper end is provided with the gas outlet, air inlet is communicated with by an appendix with the blowing mouth of Roots vaccum pump, appendix is provided with elastomeric joint and check-valves, is communicated with by an appendix between the gas outlet of bain-marie upper end and the air accumulator, and the lower end of bain-marie is communicated with an overflow pipe, overflow pipe is provided with a control valve, and control valve is connected with program control system.
The pulse dust cleaning system is made up of deashing source of the gas pipe and deashing intake valve, wherein the deashing intake valve is located on the deashing source of the gas pipe, the deashing intake valve is connected with program control system, one end of deashing source of the gas pipe is communicated with the air accumulator in the gas storage system, and the blowback air inlet pipe on the sack cleaner in the other end and the dust separation system is communicated with.
The pressure ash-transmission system is made up of defeated grey source of the gas pipe, defeated grey intake valve and ash conveying pipe, wherein defeated grey intake valve is located on the defeated grey source of the gas pipe, defeated grey intake valve is connected with program control system, one end of defeated grey source of the gas pipe is communicated with the air accumulator in the gas storage system, the other end of defeated grey source of the gas pipe is communicated with ash conveying pipe, bain-marie lower end overflow pipe in the gas storage system is communicated with ash conveying pipe, the ash releasing tube of each the dust storage container lower end in the dust separation system all is communicated with ash conveying pipe, and the end of ash conveying pipe is provided with sewage draining exit.
Program control system mainly is made up of master-control panel, main motor driver and electric valve machine actuating device.Adopt programmable controller to carry out intellectuality and handle, make various information content (switching value, digital quantity, the analog quantity) signal in dust suction, deashing and the ash-transmission system obtain gathering, compare and transmit.Programme-control is housed on master-control panel and manually controls change-over switch.The control screen is supplied with in microcomputer and each control circuit and has been adopted high-power automatic adjusting stable-pressure device, guarantees that line voltage also has stable 220V AC power output when 185V ~ 250V fluctuates.
The course of work of the present utility model and operation principle are as follows:
1, the dedusting of gas: under the Roots vaccum pump rotary state, contaminated gas enters into from the pipe network interface unit and carries out in two cyclone dust collectors arranged side by side entering in the sack cleaner that is connected with second cyclone dust collectors after rough dusting is handled, at this moment, the dust that is separated in the middle of the gas and some harmful substances all can scatter in the dust storage container of cyclone dust collectors and sack cleaner lower end, gas is handled the back through sack cleaner and is entered in the Roots vaccum pump from the Roots vaccum pump air inlet by an appendix, gas pressurized gas outlet from Roots vaccum pump in Roots vaccum pump enters in the bain-marie by an appendix, and gas is filtered the gas outlet of back on bain-marie by bain-marie and enters into the source of the gas use of air accumulator as pulse dust cleaning system and ash-transmission system by an appendix.
2, defeated ash: the ash releasing tube of the overflow pipe of bain-marie lower end and dust storage container lower end all is connected with ash conveying pipe, when air accumulator outlet pressure height during to Pressure gauge upper limit pressure, then two pressure switch output upper limit pressure signals are to control system, control system is opened defeated grey source of the gas pipe automatically, by-pass valve control on overflow pipe and the ash releasing tube, the gas that has pressure is exported from air accumulator and is driven the current of exporting in the overflow pipe and be input in the ash conveying pipe, this moment row's dust in ash conveying pipe is discharged to assigned address with the sewage draining exit of part overflow water by the ash conveying pipe end, finish the defeated grey process of system, this system has guaranteed that the dust of discharging incorporates in the water in ash conveying pipe fully, has stopped the generation of secondary pollution under the state of sealing.
3, the deashing of sack cleaner: sack cleaner in use amasss the dust that is attached on the filter bag along with the increase of time and gets more and more, and increases resistance of the filter bag, causes the processing air quantity to reduce gradually, must carry out deashing to filter bag.Utilize the pressed gas that forms in the air accumulator to do the reverse gas cleaning power source, the air accumulator outlet is connected with the blowback tracheae of sack cleaner by deashing source of the gas pipe, check-valves, intake valve, Pressure gauge etc.Trigger each control valve unbalanced pulse valve in proper order by the pulse control instrument on the program control system during deashing, when deduster filters state, successively to filter-bag blowing, form strong back draught, reach the effect of cleaning sack cleaner by moving nozzle.
4, the control of working procedure: program control system mainly is made up of master-control panel, main motor driver and electric valve machine actuating device.Adopting programmable controller to carry out intellectuality handles, make various information content (switching value, digital quantity, the analog quantity) signal in dust suction, deashing and the ash-transmission system obtain gathering, compare and transmit, thereby can control system carry out dust suction, defeated ash and deashing process automatically.
The beneficial effects of the utility model: handle through multistage dust suction, dust removal ability is strong, and gas treatment can be up to standard fully, can not produce secondary pollution during trash discharge, full-automatic control need not be set up blowing plant, potential safety hazard can not appear in use, and safe in utilization.
Description of drawings
Fig. 1 structural representation of the present utility model.
A, dust separation system B, vacuum form the C of system, gas storage system
D, the E of pulse dust cleaning system, pressure ash-transmission system F, program control system
1, pipe network interface unit 2, cyclone dust collectors 3, cyclone dust collectors
4, sack cleaner 5, air inlet pipe 6, connection tracheae 7, blowback air inlet pipe
8, dust storage container 9, dust storage container 10, dust storage container 11, electric butterfly valve
12, electric butterfly valve 13, electric butterfly valve 14, ash releasing tube 21, motor
22, Roots vaccum pump 23, air inlet 24, appendix 25, elastomeric joint
26, blowing mouth 31, bain-marie 32, air accumulator 33, air inlet
34, gas outlet 35, appendix 36, elastomeric joint 37, check-valves
38, appendix 39, overflow pipe 40, control valve 41, deashing source of the gas pipe
42, deashing intake valve 51, defeated grey source of the gas pipe 52, defeated grey intake valve
53, ash conveying pipe 54, material sensor 55, liquid level sensor 56, sewage draining exit.
The specific embodiment
See also shown in Figure 1: the utility model is by dust separation system A, vacuum forms the B of system, gas storage system C, the D of pulse dust cleaning system, pressure ash-transmission system E and program control system F form, wherein dust separation system A is communicated with the vacuum formation B of system, vacuum forms the B of system and is communicated with gas storage system C, the D of pulse dust cleaning system is communicated with gas storage system C and dust separation system A, pressure ash-transmission system E is communicated with gas storage system C and dust separation system A, program control system F forms the B of system with vacuum respectively, dust separation system A, gas storage system C, the D of pulse dust cleaning system links to each other with pressure ash-transmission system E, controls each system and carries out work.
Dust separation system A is by pipe network interface unit 1, cyclone dust collectors 2, cyclone dust collectors 3 and sack cleaner 4 are formed, cyclone dust collectors 2 and cyclone dust collectors 3 are communicated with setting side by side, be communicated with by an air inlet pipe 5 between pipe network interface unit 1 and the cyclone dust collectors 2, being connected tracheae 6 by one between cyclone dust collectors 3 and the sack cleaner 4 is communicated with, the lower end of sack cleaner 4 is provided with blowback air inlet pipe 7, cyclone dust collectors 2, the lower end of cyclone dust collectors 3 and sack cleaner 4 is communicated with dust storage container 8 respectively, dust storage container 9 and dust storage container 10, dust storage container 8, be equipped with material sensor 54 and liquid level sensor 55 on dust storage container 9 and the dust storage container 10, material sensor 54 links to each other with control system F with liquid level sensor 55, dust storage container 8, the lower end of dust storage container 9 and dust storage container 10 all is installed on ash releasing tube 14, ash releasing tube 14 is provided with electric butterfly valve 11 with dust storage container 8 joints, ash releasing tube 14 is provided with electric butterfly valve 12 with dust storage container 9 joints, ash releasing tube 14 is provided with electric butterfly valve 13, electric butterfly valve 11 with dust storage container 10 joints, electric butterfly valve 12 links to each other with program control system F with electric butterfly valve 13.
Vacuum forms the B of system and is made up of motor 21, Roots vaccum pump 22, Roots vaccum pump 22 is by motor 21 drive work, motor 21 is connected with program control system F, the air inlet 23 of Roots vaccum pump 22 is communicated with by appendix 24 with sack cleaner 4 among the dust separation system A, and appendix 24 is provided with elastomeric joint 25.
Gas storage system C is made up of bain-marie 31 and air accumulator 32, the lower end of bain-marie 31 is provided with air inlet 33, the upper end is provided with gas outlet 34, air inlet 33 is communicated with by an appendix 35 with the blowing mouth 26 of Roots vaccum pump 22, appendix 35 is provided with elastomeric joint 36 and check-valves 37, be communicated with by an appendix 38 between the gas outlet 34 of bain-marie 31 upper ends and the air accumulator 32, the lower end of bain-marie 31 is communicated with an overflow pipe 39, overflow pipe 39 is provided with a control valve 40, and control valve 40 is connected with program control system F.
The D of pulse dust cleaning system is made up of deashing source of the gas pipe 41 and deashing intake valve 42, wherein deashing intake valve 42 is located on the deashing source of the gas pipe 41, deashing intake valve 42 is connected with program control system F, one end of deashing source of the gas pipe 41 is communicated with air accumulator 32 among the gas storage system C, and the blowback air inlet pipe 7 on the sack cleaner 4 among the other end and the dust separation system A is communicated with.
Pressure ash-transmission system E is by defeated grey source of the gas pipe 51, defeated grey intake valve 52 and ash conveying pipe 53 are formed, wherein defeated grey intake valve 52 is located on the defeated grey source of the gas pipe 51, defeated grey intake valve 52 is connected with program control system F, one end of defeated grey source of the gas pipe 51 is communicated with the air accumulator 32 among the gas storage system C, the other end of defeated grey source of the gas pipe 51 is communicated with ash conveying pipe 53, bain-marie 31 lower end overflow pipes 39 among the gas storage system C are communicated with ash conveying pipe 53, dust storage container 8 among the dust separation system A, the ash releasing tube 14 of dust storage container 9 and dust storage container 10 lower ends all is communicated with ash conveying pipe 53, and the end of ash conveying pipe 53 is provided with sewage draining exit 56.
Program control system F mainly is made up of master-control panel, main motor driver and electric valve machine actuating device.Adopt programmable controller to carry out intellectuality and handle, make various information content (switching value, digital quantity, the analog quantity) signal in dust suction, deashing and the ash-transmission system obtain gathering, compare and transmit.Programme-control is housed on master-control panel and manually controls change-over switch.The control screen is supplied with in microcomputer and each control circuit and has been adopted high-power automatic adjusting stable-pressure device, guarantees that line voltage also has stable 220V AC power output when 185V ~ 250V fluctuates.
Master-control panel among the program control system F, main motor driver and electric valve machine actuating device all adopt existing equipment to assemble, and therefore do not mark in the accompanying drawings, and concrete model is not further given unnecessary details yet.
Claims (3)
1. vacuum closed loop dust suction, deashing and defeated grey purifier, be by dust separation system, vacuum forms system, gas storage system, the pulse dust cleaning system, pressure ash-transmission system and program control system are formed, it is characterized in that: described dust separation system and vacuum form system connectivity, vacuum forms system and is communicated with gas storage system, the pulse dust cleaning system is communicated with gas storage system and dust separation system, the pressure ash-transmission system is communicated with gas storage system and dust separation system, program control system forms system with vacuum respectively, dust separation system, gas storage system, the pulse dust cleaning system links to each other with the pressure ash-transmission system, control each system and carry out work, dust separation system is by the pipe network interface unit, two cyclone dust collectors, a sack cleaner is formed, two cyclone dust collectors are communicated with setting side by side, be communicated with by an air inlet pipe between pipe network interface unit and the cyclone dust collectors, being connected tracheae by one between another cyclone dust collectors and the sack cleaner is communicated with, the sack cleaner bottom is provided with the blowback air inlet pipe, the lower end of each cyclone dust collectors and sack cleaner all is communicated with dust storage container, be equipped with the material sensor on each dust storage container, liquid level sensor, the material sensor links to each other with program control system with liquid level sensor, the lower end of each dust storage container is installed on ash releasing tube, ash releasing tube and dust storage container joint are provided with electric butterfly valve, electric butterfly valve links to each other with program control system, vacuum forms system by motor, Roots vaccum pump is formed, Roots vaccum pump is by driven by motor work, motor is connected with program control system, the air inlet of Roots vaccum pump is communicated with by appendix with sack cleaner in the dust separation system, gas storage system is made up of bain-marie and air accumulator, the lower end of bain-marie is provided with air inlet, the upper end is provided with the gas outlet, air inlet is communicated with by an appendix with the blowing mouth of Roots vaccum pump, appendix is provided with check-valves, be communicated with by an appendix between the gas outlet of bain-marie upper end and the air accumulator, the lower end of bain-marie is communicated with an overflow pipe, overflow pipe is provided with a control valve, control valve is connected with program control system, the pulse dust cleaning system is made up of deashing source of the gas pipe and deashing intake valve, wherein the deashing intake valve is located on the deashing source of the gas pipe, the deashing intake valve is connected with program control system, one end of deashing source of the gas pipe is communicated with the air accumulator in the gas storage system, blowback air inlet pipe on the sack cleaner in the other end and the dust separation system is communicated with, the pressure ash-transmission system is by defeated grey source of the gas pipe, defeated grey intake valve and ash conveying pipe are formed, wherein defeated grey intake valve is located on the defeated grey source of the gas pipe, defeated grey intake valve is connected with program control system, one end of defeated grey source of the gas pipe is communicated with the air accumulator in the gas storage system, the other end of defeated grey source of the gas pipe is communicated with ash conveying pipe, bain-marie lower end overflow pipe in the gas storage system is communicated with ash conveying pipe, the ash releasing tube of each the dust storage container lower end in the dust separation system all is communicated with ash conveying pipe, the end of ash conveying pipe is provided with sewage draining exit, and program control system is mainly by master-control panel, main motor driver and electric valve machine actuating device are formed.
2. a kind of vacuum closed loop according to claim 1 dust suction, deashing and defeated grey purifier, it is characterized in that: the appendix between described Roots vaccum pump air inlet and the sack cleaner is provided with elastomeric joint.
3. a kind of vacuum closed loop according to claim 1 dust suction, deashing and defeated grey purifier, it is characterized in that: the appendix between described bain-marie lower end air inlet and the Roots vaccum pump blowing mouth is provided with elastomeric joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201052388U CN201579236U (en) | 2010-02-02 | 2010-02-02 | Vacuum closed loop dust collecting, cleaning and conveying purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201052388U CN201579236U (en) | 2010-02-02 | 2010-02-02 | Vacuum closed loop dust collecting, cleaning and conveying purifier |
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| CN201579236U true CN201579236U (en) | 2010-09-15 |
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| CN2010201052388U Expired - Fee Related CN201579236U (en) | 2010-02-02 | 2010-02-02 | Vacuum closed loop dust collecting, cleaning and conveying purifier |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304728A (en) * | 2011-09-14 | 2012-01-04 | 傅文渊 | Aluminum oxide recycling and material jam treatment method of electrolytic aluminum flue gas purification system |
| CN102641870A (en) * | 2012-04-01 | 2012-08-22 | 厦门佰瑞福环保科技有限公司 | Vacuum cleaning system |
| CN103017138A (en) * | 2012-12-21 | 2013-04-03 | 蒙佳宁 | Vacuum water and dust pumping and pressing equipment of power station boiler |
| CN103599669A (en) * | 2013-10-25 | 2014-02-26 | 成都瑞柯林工程技术有限公司 | Dust removing equipment based on vacuum system, and method |
| CN105066696A (en) * | 2015-07-30 | 2015-11-18 | 北新集团建材股份有限公司 | Automatic ash discharge method and system for furnace in fluid bed |
| CN107397501A (en) * | 2017-09-05 | 2017-11-28 | 浙江杭真能源科技股份有限公司 | Spray vacuum type dust exhaust apparatus and its method of work |
| CN108731149A (en) * | 2018-06-08 | 2018-11-02 | 项硕 | A kind of shield tunneling process air purification self-loopa control device |
| CN110124419A (en) * | 2019-05-31 | 2019-08-16 | 山东省路桥集团嘉兴杭州湾绿色养护有限公司 | A kind of water surely expects the dust-extraction unit of Automatic Production System |
| CN115364667A (en) * | 2020-12-31 | 2022-11-22 | 贵州西电电力股份有限公司黔北发电厂 | Negative pressure ash removal device |
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2010
- 2010-02-02 CN CN2010201052388U patent/CN201579236U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304728B (en) * | 2011-09-14 | 2013-11-06 | 傅文渊 | Aluminum oxide recycling and material jam treatment method of electrolytic aluminum flue gas purification system |
| CN102304728A (en) * | 2011-09-14 | 2012-01-04 | 傅文渊 | Aluminum oxide recycling and material jam treatment method of electrolytic aluminum flue gas purification system |
| CN102641870A (en) * | 2012-04-01 | 2012-08-22 | 厦门佰瑞福环保科技有限公司 | Vacuum cleaning system |
| CN103017138B (en) * | 2012-12-21 | 2014-05-28 | 蒙佳宁 | Vacuum water and dust pumping and pressing equipment of power station boiler |
| CN103017138A (en) * | 2012-12-21 | 2013-04-03 | 蒙佳宁 | Vacuum water and dust pumping and pressing equipment of power station boiler |
| CN103599669B (en) * | 2013-10-25 | 2015-09-09 | 成都瑞柯林工程技术有限公司 | Based on cleaner and the method for vacuum system |
| CN103599669A (en) * | 2013-10-25 | 2014-02-26 | 成都瑞柯林工程技术有限公司 | Dust removing equipment based on vacuum system, and method |
| CN105066696A (en) * | 2015-07-30 | 2015-11-18 | 北新集团建材股份有限公司 | Automatic ash discharge method and system for furnace in fluid bed |
| CN107397501A (en) * | 2017-09-05 | 2017-11-28 | 浙江杭真能源科技股份有限公司 | Spray vacuum type dust exhaust apparatus and its method of work |
| CN108731149A (en) * | 2018-06-08 | 2018-11-02 | 项硕 | A kind of shield tunneling process air purification self-loopa control device |
| CN108731149B (en) * | 2018-06-08 | 2020-07-10 | 黄岩凌阳锻压件厂 | Air purification self-circulation control device in shield tunneling process |
| CN110124419A (en) * | 2019-05-31 | 2019-08-16 | 山东省路桥集团嘉兴杭州湾绿色养护有限公司 | A kind of water surely expects the dust-extraction unit of Automatic Production System |
| CN115364667A (en) * | 2020-12-31 | 2022-11-22 | 贵州西电电力股份有限公司黔北发电厂 | Negative pressure ash removal device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20110202 |