CN2420056Y - Separate room off-line ash cleaning low voltage long bag pulse bag type dust remover - Google Patents

Separate room off-line ash cleaning low voltage long bag pulse bag type dust remover Download PDF

Info

Publication number
CN2420056Y
CN2420056Y CN 99207787 CN99207787U CN2420056Y CN 2420056 Y CN2420056 Y CN 2420056Y CN 99207787 CN99207787 CN 99207787 CN 99207787 U CN99207787 U CN 99207787U CN 2420056 Y CN2420056 Y CN 2420056Y
Authority
CN
China
Prior art keywords
dust
deduster
valve
pulse
bag
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 99207787
Other languages
Chinese (zh)
Inventor
胡洁敏
张苏
胡鉴仲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KELIN ENVIRONMENTAL PROTECTION ENGINEERING TECHNOLOGY INST BEIJING
Original Assignee
KELIN ENVIRONMENTAL PROTECTION ENGINEERING TECHNOLOGY INST BEIJING
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KELIN ENVIRONMENTAL PROTECTION ENGINEERING TECHNOLOGY INST BEIJING filed Critical KELIN ENVIRONMENTAL PROTECTION ENGINEERING TECHNOLOGY INST BEIJING
Priority to CN 99207787 priority Critical patent/CN2420056Y/en
Application granted granted Critical
Publication of CN2420056Y publication Critical patent/CN2420056Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model relates to dust remover of a bag type, which can carry out off-line dust removing and overhauling by changing bags. The utility model is additionally provided with a manual and a pneumatic butterfly valves at an air inlet and an air outlet of an existing dust remover. After a corresponding valve is closed, a low-pressure quick pulse blowing mechanism is started to realize off-line dust removing and overhauling by changing bags. The top of the dust remover is provided with an overhauling vestibule provided with a rainproof shed and a heat insulating layer. A broken bag detection device, the low-pressure quick pulse blowing mechanism and the pneumatic butterfly valve are collected in the overhauling vestibule, which is favorable for maintenance. Removed dust is sent to a big dust bin by a pneumatic dust transporting system and the dust is loaded in a vehicle to be transported outwards after the separation of dust and air is carried out by a dust remover on the top of the bin. Air guns with a moving type and a stationary type are matched with the dust transporting system and are used for clearing obstruction.

Description

Chamber off-line deashing long bag pulse dust collector working under low pressure
The utility model relates to a kind of dry filtration formula cleaner.
Existing pulse bag type dust collector mostly is the online ash removal manipulation type, has " dust is attached again " phenomenon in the jetting deashing process, thereby can not realize deashing completely." dust is attached again " can make deashing " inefficacy " when serious, causes adverse effects such as rate of filtration reduction, resistance raise unusually, life-span of the filter bag shortening, the strain of pulse valve diaphragm.Facts have proved: if carry out jetting deashing, and give dust the sufficient sedimentation time under the condition that filtering gas flows stopping, then deashing ash-removal effect more thorough, filter bag is better.
" locellus blowing-out pulse bag type dust collector " that the patent of invention (patent No. 87101659.1 certificate number 4536) that people such as Hu Jianzhong obtain is proposed is the off-line ash-clearing manipulation type, it has solved " dust is attached again " and " deashing inefficacy " problem that online ash removal manipulation type pulse blowing bag type dust precipitator exists, but structurally also have the following disadvantages: 1. do not have design to have the maintenance vestibule of rain-proof shelter and thermal insulation layer, be not suitable for equipment enlarging.2. the Pneumatic butterfly valve that does not adopt square or circular cross-section as the off-line valve, do not adopt manual dirt gas inlet butterfly valve, can't realize that chamber off-line changes the bag maintenance.3. do not design the Pneumatic ash conveying system.
The purpose of the utility model patent is a kind of pulse bag type dust collector of design, and it can not only Chalk-dust filtering, carry out off-line ash-clearing, and is convenient to regular maintenance, realizes that off-line changes the bag maintenance, solves the dust secondary pollution problem that traditional ash-transmission system exists.The purpose of this utility model is achieved in that in dirt gas inlet installation Hand-operated butterfly valve, the pure qi (oxygen) outlet of deduster installs the Pneumatic butterfly valve of square or circular cross-section, closes above-mentioned import and export butterfly valve simultaneously, can carry out off-line and change the bag maintenance; Dust remover roof design has rainproof and maintenance vestibule heat insulating function, and all operations valve member is concentrated in together, and is convenient to the regular maintenance behind the equipment enlarging; The Pneumatic ash conveying system of deduster bottom is power with the high pressure positive blower, adopts " dual valve " to unload ash, conveying ash in pipeline, big grey warehousing ash; Big Hui Cang top adopts the chamber off-line pulse dust collector to separate dirt, gas; Wetting stirrer ash discharge, air cannon block-removing are adopted in the bottom; In addition, also on each pure qi (oxygen) passage of deduster, increased the broken bag checkout gear.
Adopt such scheme, not only solved " dust is attached again " and " deashing inefficacy " problem that online ash removal type deduster exists, and solved big, the dust secondary pollution problem of maintenance workload that mechanical ash conveying system exists.Can realize that simultaneously off-line changes the bag maintenance, help the regular maintenance behind the equipment enlarging.
Below in conjunction with accompanying drawing the utility model is described in detail.
Accompanying drawing 1. sectional view accompanying drawing 2. pneumatic and Hand-operated butterfly valve figure accompanying drawing 3. Pneumatic ash conveying system diagram accompanying drawings 4. fixed and portable air big gun figure accompanying drawing 5. broken bag checkout gear figure accompanying drawings 6. low pressure fast-pulse spraying and blowing organ figure of the present utility model
Fig. 1 represents the sectional view of a kind of embodiment of the present utility model.Filter element (or claiming the chamber) is made up of upper box 1, filter chamber 2 and ash bucket 3.The maximization deduster is made up of the chamber more than 10, is biserial and arranges, as shown in Figure 1.Dusty gas enters the ash bucket 3 of both sides from dirt gas house steward 10 through manual butterfly valve 12, and air-flow is turned back upwards, enters filter chamber 2; Dust is filtered by filter bag, and the pure qi (oxygen) after the filtration enters upper box 1, converges to pure qi (oxygen) house steward 8 through Pneumatic butterfly valve 6, drains into atmosphere again.When the equipment running resistance reached setting value, program control instrument control Pneumatic butterfly valve 6 was closed, is started 5 pairs of filter bags of low pressure fast-pulse spraying and blowing organ and carries out off-line ash-clearing.The ash fall of removing is discharged into Pneumatic ash conveying pipeline 16 through " dual valve " in ash bucket 3, deliver to the grey storehouse 19 of storage; The dust of storing in the grey storehouse is discharged into the bulk cement truck outward transport after wetting stirrer 24 humidifications stir.
The utility model is designed to overhaul vestibule 11 with the chamber of pure qi (oxygen) house steward top board and both sides, wherein centralized arrangement low pressure fast-pulse spraying and blowing organ 5, Pneumatic butterfly valve 6 and broken bag checkout gear, be provided with rain-proof shelter 4 and thermal insulation layer 7 simultaneously.As handle gas at normal temperature, and can not dose heat-insulating material in the thermal insulation layer, only needing to strengthen as structure.
Fig. 2 illustrates the structure of Pneumatic butterfly valve 6 and Hand-operated butterfly valve 12, and both principles are identical, but the former uses air cylinder driven, and the latter moves with handle.When Pneumatic butterfly valve of closing a chamber simultaneously and Hand-operated butterfly valve, can open the upper cover plate of this chamber, carry out off-line and change bag and inspection operation, and other chamber is carried out dust removal by filtration work as usual.
The pneumatic power lifting valve that the Pneumatic butterfly valve that the utility model proposes is more commonly used than the home and abroad has the following advantages: (1) simple structure, easily manufactured; (2) it is convenient to put in place accurately, observe; (3) normal opening structure, security are good, and pneumatic disk lift valve can fall in flakes when breaking down because of air pressure deficiency or source of the gas, covers the pure qi (oxygen) exit passageway, causes main exhaust fan generation flutter or deduster housing to be taken out dangerous phenomenons such as flat, and of common occurrence.
Fig. 3 illustrates Pneumatic ash conveying of the present utility model system.Two high pressure positive blowers 13 are standby each other, and the threeway valve plate 18 that leads is placed shown position, open gradually and regulate butterfly valve 14 and start the right side blower fan, and promptly by main smoke pipe 17 suction flue gases, induced duct rounds under dust collector ash hopper induced duct 16.Under the PLC programme-control, revolution unloading valve 14 and Ф 250 Pneumatic butterfly valves 15 of opening each ash bucket successively are discharged into ash in the pipe, through tedge 21 ash are imported big grey storehouse 19 again.Dust is stored in the storehouse, regularly starts wetting stirrer 24, is discharged in the bulk cement truck and transports outward through unloading grey flexible pipe 25; Gas then by being located at the off-line ash-clearing pulse dust collector 20 of Cang Ding, is directed at blower fan 13 by down-comer 2, returns dirt gas house steward 10 through outlet 23 again.For preventing to stop up ash conveying pipe and big grey storehouse, adopted portable air big gun A and fixed air bubble B that both are carried out block clearing than fine dust.That the mechanical ash conveying system that this Pneumatic ash conveying system is more traditional (screw machine or bury scraper plate machine and bucket elevator) has is simple in structure, reduce investment outlay, do not have advantages such as maintenance load, sanitation and hygiene.
Fig. 4 illustrates portable air big gun A and fixed air bubble B.It is made up of air inlet pipe 30, gas tank 27, high-voltage pulse valve 28, winding-up pipe 29.The portable air big gun is used for ash conveying pipe 16, and fixed air bubble is used for big grey storehouse 19.The source of the gas supply gas pressure should be higher than 0.4Mpa, manually presses venting button 32 during block clearing, and 28 winding-ups of trigger impulse valve are carried out block clearing with the mode of this emission air bubble.
Fig. 5 illustrates the broken bag checkout gear.On all pure qi (oxygen) passages of upper box, designed and installed the tube head of dribbling valve 36.When needing leak detection, be ready to glass bar 33, and be coated with one deck white vaseline thereon thinly, be inserted into then in the pure qi (oxygen) passage with plug 34.Through taking out contrast behind the some hrs, the interior filter bag of glass bar institute respective channel that dust is maximum just may detect run-down.
Fig. 6 illustrates low pressure fast-pulse spraying and blowing organ.It is made up of low pressure fast-pulse valve 37, branch gas tank 38, bleed pipe 39 and 40 of winding-up pipes.It is low that pulse valve 37 has a winding-up bleed pressure, only is 0.2-0.3Mpa, and switch characteristics rapidly; Winding-up pipe 40 has convergent shape nozzle 41, can make the speed of ejection air-flow reach the velocity of sound.
Implement other required technology of the utility model patent and all adopt known technology.

Claims (6)

1. chamber off-line deashing long bag pulse dust collector working under low pressure, be made up of filter element, pulse spraying equipment, ash-transmission system, it is characterized in that: deduster is equipped with manual and Pneumatic butterfly valve, the employing low pressure fast-pulse spraying and blowing organ of square or circular cross-section into and out of the air port; The dust remover roof setting has the maintenance vestibule of rain-proof shelter and thermal insulation layer, in the broken bag checkout gear is arranged; The deduster bottom is the Pneumatic ash conveying system that has been equipped with storehouse smpa pulse deduster.
2. deduster according to claim 1 is characterized in that: deduster into and out of airduct be equipped with square or circular cross-section manually and Pneumatic butterfly valve, valve body material is steel plate or cast iron, adapted cylinder or handle are operated.
3. deduster according to claim 1 is characterized in that: the winding-up pipe by low pressure fast-pulse valve, branch gas tank and band convergent shape nozzle is formed low pressure fast-pulse spraying and blowing organ.
4. deduster according to claim 1 is characterized in that: the dust remover roof setting has the maintenance vestibule of rain-proof shelter and thermal insulation layer, and the vestibule base plate is a box girder structure, can dose heat-insulating material, makes it have heat insulating function.
5. deduster according to claim 1 is characterized in that: on each pure qi (oxygen) passage of deduster the broken bag checkout gear is housed in the maintenance vestibule, this device is made up of the sampling pipe of dribbling valve and the plug of band glass bar.
6. deduster according to claim 1 is characterized in that: the deduster bottom is the Pneumatic ash conveying system, this system by high pressure positive blower, unload ash " dual valve ", big grey storehouse, roof scrubber, wetting stirrer and movable type and become with fixed air battery; Roof scrubber wherein is the chamber off-line pulse bag type dust collector, and the off-line valve is covered with polytetrafluoroethylmicroporous microporous membrane with diaphragm cylinder operation, filter bag surface.
CN 99207787 1999-04-14 1999-04-14 Separate room off-line ash cleaning low voltage long bag pulse bag type dust remover Expired - Fee Related CN2420056Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99207787 CN2420056Y (en) 1999-04-14 1999-04-14 Separate room off-line ash cleaning low voltage long bag pulse bag type dust remover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99207787 CN2420056Y (en) 1999-04-14 1999-04-14 Separate room off-line ash cleaning low voltage long bag pulse bag type dust remover

Publications (1)

Publication Number Publication Date
CN2420056Y true CN2420056Y (en) 2001-02-21

Family

ID=34001686

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 99207787 Expired - Fee Related CN2420056Y (en) 1999-04-14 1999-04-14 Separate room off-line ash cleaning low voltage long bag pulse bag type dust remover

Country Status (1)

Country Link
CN (1) CN2420056Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102716624A (en) * 2011-03-31 2012-10-10 葛洲坝集团第五工程有限公司 Integrated automatic dust discharge pulse bag-type dust collector
CN102716625A (en) * 2012-06-22 2012-10-10 江苏泓明达机械有限公司 Air box type pulse bag dust collector
CN102755790A (en) * 2012-07-02 2012-10-31 攀钢集团工程技术有限公司 Ammonium polyorthovanadate powder collector
CN105032060A (en) * 2015-07-23 2015-11-11 江苏新中环保股份有限公司 Mobile ash cleaning device of bag type dust collector

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102716624A (en) * 2011-03-31 2012-10-10 葛洲坝集团第五工程有限公司 Integrated automatic dust discharge pulse bag-type dust collector
CN102716624B (en) * 2011-03-31 2016-06-29 中国葛洲坝集团第五工程有限公司 Integrated automatic ash-removing pulse bag-type dust collector
CN102716625A (en) * 2012-06-22 2012-10-10 江苏泓明达机械有限公司 Air box type pulse bag dust collector
CN102755790A (en) * 2012-07-02 2012-10-31 攀钢集团工程技术有限公司 Ammonium polyorthovanadate powder collector
CN102755790B (en) * 2012-07-02 2015-09-09 攀钢集团工程技术有限公司 A kind of ammonium polyorthovanadate powder collector
CN105032060A (en) * 2015-07-23 2015-11-11 江苏新中环保股份有限公司 Mobile ash cleaning device of bag type dust collector

Similar Documents

Publication Publication Date Title
CN207576015U (en) A kind of novel fog gun
CN2420056Y (en) Separate room off-line ash cleaning low voltage long bag pulse bag type dust remover
CN104275051A (en) Bag type dust collector capable of realizing compartment reverse blowing with purified flue gases
CN104279759A (en) Self-cleaning gas water heater and automatic cleaning method thereof
CN204324435U (en) A kind of efficient receipts sand device
CN201855636U (en) Blowback dust remover in branch room
CN112807886A (en) Air purification system of metallurgical intelligent factory building
CN105013272A (en) Dust removal equipment for melting furnace
CN107670444A (en) A kind of carpenter's pulse filter bag central dust remover
CN204709989U (en) Saving low pulse dust collector
CN208726993U (en) A kind of rubber waste gas pollution control and treatment complete set of equipments
CN207153324U (en) A kind of dust collector of shot blasting machine
CN205461467U (en) Compound bag collector of position pulse
CN215613963U (en) Intelligent dust removal system for material bin of proportioning machine
CN207061374U (en) A kind of powder loading place dedusting mechanism
CN214075543U (en) Flue gas conditioning device of bag-type dust collector
CN212039833U (en) Circulating fluidized bed desulfurization system and ash storehouse dust collecting system
CN211005457U (en) Blast furnace dust discharging and transferring device
CN211678790U (en) Building rubbish winnowing equipment
CN1007178B (en) Apparatus for energy recovery from furnace waste gas
CN210346366U (en) Steel mill electric furnace flue gas processing system
CN209683641U (en) Subway vehicle bottom purging and dust removing device
CN113664013A (en) Sand box flue gas trapping treatment method
CN106743779A (en) A kind of dustless ash unloading device
CN220026421U (en) Ash discharging device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C57 Notification of unclear or unknown address
DD01 Delivery of document by public notice

Addressee: Kelin Environmental Protection Engineering Technology Inst., Beijing

Document name: Notice of termination

C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee