CN105964073A - Internal circulation dry-process purification technology and equipment - Google Patents

Internal circulation dry-process purification technology and equipment Download PDF

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Publication number
CN105964073A
CN105964073A CN201610548189.7A CN201610548189A CN105964073A CN 105964073 A CN105964073 A CN 105964073A CN 201610548189 A CN201610548189 A CN 201610548189A CN 105964073 A CN105964073 A CN 105964073A
Authority
CN
China
Prior art keywords
air
collecting device
material collecting
dust
sack cleaner
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.)
Pending
Application number
CN201610548189.7A
Other languages
Chinese (zh)
Inventor
邓友泉
彭建
邓熙月
范彪
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.)
Hunan Lanzhitian Environmental Protection Technology Industry Co Ltd
Original Assignee
Hunan Lanzhitian Environmental Protection Technology Industry Co Ltd
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 Hunan Lanzhitian Environmental Protection Technology Industry Co Ltd filed Critical Hunan Lanzhitian Environmental Protection Technology Industry Co Ltd
Priority to CN201610548189.7A priority Critical patent/CN105964073A/en
Publication of CN105964073A publication Critical patent/CN105964073A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023Pockets filters, i.e. multiple bag filters mounted on a common frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0039Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • B01D46/0041Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04Cleaning filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/06Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses an internal circulation dry-process purification technology and equipment. The equipment comprises a gas purification chamber, a cloth bag dust collector box body, a material collection device and supporting devices, wherein the gas purification chamber is mounted at the top of the cloth bag dust collector box body, and the material collection device is mounted at the bottom of the cloth bag dust collector box body; the supporting devices are mounted at the periphery of the bottom of the cloth bag dust collector box body; an air outlet is formed in a side wall of the gas purification chamber; a decorative board, a filtering device and an internal circulation pipe are arranged in the cloth bag dust collector box body; a louver air hole is mounted on the side wall at the top of the internal circulation pipe; a circulation material hole is formed in the side wall where the internal circulation pipe is in contact with the material collection device; a fluidized bed is mounted on the outer wall of the internal circulation pipe between the circulation material hole and an air inlet; a material overflowing hole is formed in the side wall of the material collection device; and an emptying hole is formed in the side wall of the bottom end of the material collection device. The internal circulation dry-process purification technology and equipment have the advantages of good filtering effect, high purification efficiency, compact structure, small occupied space, low investment and operation cost, low operation management and maintenance cost and capability of realizing the aims of energy saving and emission reduction.

Description

Circulation dry cleaning technology and equipment in a kind of
Technical field
The present invention relates to dry cleaning technical field, particularly relate to circulation dry cleaning skill in one Art and equipment.
Background technology
In aluminium electrolytic flue dry purifying system and flue gas desulfurization dry purifying system, typically adopt Equipment is purified as main filtration with sack cleaner, in the most all existing weaponry and equipments, no matter Being sidepiece air intake or bottom air intake, flue gas is all to enter into fillter section bottom cleaner unit, After sock filtration, enter upper box (air-purifying chamber), rise at flue gas and pass the mistake of filter bag Cheng Zhong, due to action of gravity, dust gradually settles during air-flow rises, simultaneously because The reduction of flow velocity between Dai, makes more dust settling get off, and a part falls directly into cleaner unit ash In bucket (lower box), another part is attached to filter bag with smoke movement in infall process On, form filter bag surface dust skewness in vertical direction, in now how upper few, vertically The phenomenon of imbalance, thus affect the performance of sack cleaner " with dirt filter dirt " usefulness, the most also Affect effective performance of dry purifying system absorption property, reduce the purification effect of system and equipment Rate.
Further, since the required equipment of existing system is more, the especially quantity of cycle stock feed point Relatively big, cause equipment to increase, operational management, keep in repair and safeguard the most difficult, increase system With equipment operational management cost, it is unfavorable for that energy saving of system reduces discharging.
Summary of the invention
The invention aims to solve shortcoming present in prior art, and the one proposed Interior circulation dry cleaning technology and equipment.
Circulation dry cleaning equipment in a kind of, including air-purifying chamber, sack cleaner casing, material Collection device and support means, air-purifying chamber, described cloth are installed in described sack cleaner casing top Bag dust collector box bottom installs material collecting device, and sack cleaner casing and material collection Device is connected, the described sack cleaner uniform fittable slackening device of box bottom surrounding, described Air-purifying chamber sidewall is provided with air outlet, and described sack cleaner box house top is provided with card, institute Stating and be fixed with defecator on card, described defecator includes filter bag and skeleton, described cloth bag Dust collector box body is internally installed inner circulating tube, and inner circulating tube bottom extends to sack cleaner Outside casing, described inner circulating tube top sidewall installs air grille, and inner circulating tube inner tip Being provided with reverse taper, the sidewall that described inner circulating tube contacts with material collecting device is provided with circulation Material mouth, the inner circulating tube outer wall between described cycle stock mouth and air inlet is installed fluid bed, and Fluid bed top is fixed on bottom material collecting device, and described material collecting device sidewall is provided with thing Material overfall, described material collecting device bottom sidewall is provided with evacuation port.
Preferably, installing compressed air reverse gas cleaning system in described air-purifying chamber, described compression is empty Gas reverse gas cleaning system includes gas bag, pulse valve and injection tube, and one end of described pulse valve connects Gas bag, the other end connects injection tube.
Preferably, described fluid bed includes boiling plate, air chamber and high-pressure blast air inlet.
Preferably, described sack cleaner wall box is provided with inspection platform, and maintenance is flat Railing is installed outside platform.
Preferably, described support means includes supporting leg and crossbeam, the inwall of described supporting leg and The outer wall of crossbeam is equipped with screw thread, and is matched by screw thread with supporting leg, separately in one end of crossbeam One end is fixed on the bottom of sack cleaner casing.
The technical method of a kind of interior circulation dry cleaning equipment, comprises the following steps:
S1: ash-laden gas, in air inlet enters inner circulating tube, will be collected in material collection simultaneously Dust in device joins in inner circulating tube by cycle stock mouth, makes ash-laden gas enter with dust Row circulating contact;
S2: ash-laden gas rises along inner circulating tube with dust, and enters into cloth by air grille In the defecator of bag dust collector casing, after the filtration of defecator, dust and harmful gas Adsorbed filtration is also collected in material collecting device, and the flue gas after purification enters in air-purifying chamber, And enter air by air outlet, it is collected in dust in material collecting device and participates in next purification again Process, can overflow from material overfall when the dust that material collecting device is collected is too much;
S3: after purification run terminates, discharges the dust in material collecting device from evacuation port.
Ash-laden gas is fed directly to fillter section top by the present invention, the filter bag existed in eliminating equipment The problem of upper dust vertical direction skewness and the problem of particle distribution in gas inequality, first First pass through dust is uniformly distributed the target that fully realization " filters dirt with dirt ", improves filter efficiency; Secondly, being uniformly distributed by dust, it is achieved dry cleaning adsorbent is evenly distributed on filter bag table Face, improves system and the adsorption cleaning efficiency of equipment;3rd, this technology and equipment are followed by interior Ring mode realizes the charging of system cycle stock, solves the transhipment of system cycle stock and the problem of charging, Avoid the problem that cycle stock charging system putty is cleared up while reducing system energy consumption, and reduce System initial cost and Operation Administration and Maintenance expense;4th, owing to this technology and equipment configuration are compact, After solving the dust problem that vertical distribution is uneven on filter bag, filter bag can extend, and reduces dress Taking of the steel consumption of standby body unit filter area, minimizing floor space and system pipeline, subtracts Few engineering construction initial cost and operation cost, preferably realize the target of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of interior circulation dry cleaning equipment that the present invention proposes;
Fig. 2 is the side view of a kind of interior circulation dry cleaning equipment that the present invention proposes.
In figure: 1 sack cleaner casing, 2 air inlets, 3 air outlets, 4 cards, 5 filter bags, 6 inner circulating tubes, 7 air grilles, 8 cycle stock mouths, 9 reverse tapers, 10 compressed air blowbacks Soot cleaning system, 11 fluid beds, 12 material overfalls, 13 evacuation ports, 14 air-purifying chambers, 15 Support means, 16 material collecting devices, 17 inspection platforms, 18 railings.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is explained orally further.
With reference to Fig. 1-2, a kind of interior circulation dry cleaning equipment that the present invention proposes, including clean gas Room 14, sack cleaner casing 1, material collecting device 16 and support means 15, described cloth Air-purifying chamber 14 is installed at bag dust collector casing 1 top, installs compressed air in described air-purifying chamber 14 Reverse gas cleaning system 10, described compressed air reverse gas cleaning system 10 includes gas bag, pulse valve And injection tube, one end of described pulse valve connects gas bag, and the other end connects injection tube, described cloth It is provided with on bag dust collector casing 1 sidewall outside inspection platform 17, and inspection platform 17 and installs There is railing 18, material collecting device 16, and cloth are installed bottom described sack cleaner casing 1 Bag dust collector casing 1 is connected with material collecting device 16, described sack cleaner casing 1 The bottom uniform fittable slackening device of surrounding 15, described support means 15 includes supporting leg and crossbeam, The inwall of described supporting leg and the outer wall of crossbeam are equipped with screw thread, and one end of crossbeam and supporting leg Being matched by screw thread, the other end is fixed on the bottom of sack cleaner casing 1, described clean gas Room 14 sidewall is provided with air outlet 3, and described sack cleaner casing 1 inner tip is provided with card 4, Being fixed with defecator on described card 4, described defecator includes filter bag 5 and skeleton, institute State that sack cleaner casing 1 is internally installed an inner circulating tube 6, and inner circulating tube 6 bottom extends Outside sack cleaner casing 1, described inner circulating tube 6 top sidewall installs air grille 7, And inner circulating tube 6 inner tip is provided with reverse taper 9, described inner circulating tube 6 and material collection The sidewall of device 16 contact is provided with cycle stock mouth 8, described cycle stock mouth 8 and air inlet 2 Between inner circulating tube 6 outer wall on fluid bed 11 is installed, and fluid bed 11 top is fixed on thing Bottom material collection device 16, described fluid bed 11 includes boiling plate, air chamber and high-pressure blast air inlet Mouthful, described material collecting device 16 sidewall is provided with material overfall 12, and described material collection fills Put 16 bottom sidewalls and be provided with evacuation port 13.
Its technical method, comprises the following steps:
S1: ash-laden gas, in air inlet 2 enters inner circulating tube 6, will be collected in material simultaneously Dust in collection device 16 is joined in inner circulating tube 6 by cycle stock mouth 8, makes dust-laden Flue gas is circulated with dust and contacts;
S2: ash-laden gas rises along inner circulating tube 6 with dust, and is entered by air grille 7 In the defecator of sack cleaner casing 1, after the filtration of defecator, dust and having Evil gas is adsorbed to be filtered and is collected in material collecting device 16, and the flue gas after purification enters In air-purifying chamber 14, and enter air by air outlet 3, be collected in material collecting device 16 Dust participates in next purification process again, the meeting when the dust that material collecting device 16 is collected is too much Overflow from material overfall 12;
S3: after purification run terminates, by the dust in material collecting device 16 from evacuation port 13 Discharge, it is ensured that the cleaning within Zhuan Bei.
Ash-laden gas is fed directly to fillter section top by the present invention, the filter bag existed in eliminating equipment The problem of upper dust vertical direction skewness and the problem of particle distribution in gas inequality, first First pass through dust is uniformly distributed the target that fully realization " filters dirt with dirt ", improves filter efficiency; Secondly, being uniformly distributed by dust, it is achieved dry cleaning adsorbent is evenly distributed on filter bag table Face, improves system and the adsorption cleaning efficiency of equipment;3rd, this technology and equipment are followed by interior Ring mode realizes the charging of system cycle stock, solves the transhipment of system cycle stock and the problem of charging, Avoid the problem that cycle stock charging system putty is cleared up while reducing system energy consumption, and reduce System initial cost and Operation Administration and Maintenance expense;4th, owing to this technology and equipment configuration are compact, After solving the dust problem that vertical distribution is uneven on filter bag, filter bag can extend, and reduces dress Taking of the steel consumption of standby body unit filter area, minimizing floor space and system pipeline, subtracts Few engineering construction initial cost and operation cost, preferably realize the target of energy-saving and emission-reduction.
The above, the only present invention preferably detailed description of the invention, but the protection model of the present invention Enclosing and be not limited thereto, any those familiar with the art is in the skill that the invention discloses In the range of art, according to technical scheme and inventive concept equivalent in addition thereof or change Become, all should contain within protection scope of the present invention.

Claims (6)

1. circulate dry cleaning equipment in one kind, including air-purifying chamber (14), sack cleaner Casing (1), material collecting device (16) and support means (15), it is characterised in that Air-purifying chamber (14), described sack cleaner are installed in described sack cleaner casing (1) top Casing (1) bottom install material collecting device (16), and sack cleaner casing (1) with Material collecting device (16) is connected, and described sack cleaner casing (1) bottom surrounding is equal Even fittable slackening device (15), described air-purifying chamber (14) sidewall is provided with air outlet (3), Described sack cleaner casing (1) inner tip is provided with card (4), described card (4) On be fixed with defecator, described defecator includes filter bag (5) and skeleton, described cloth bag Dust collector box body (1) is internally installed inner circulating tube (6), and inner circulating tube (6) bottom Extending to sack cleaner casing (1) outward, described inner circulating tube (6) top sidewall installs hundred Leaf air port (7), and inner circulating tube (6) inner tip is provided with reverse taper (9), described The sidewall that inner circulating tube (6) contacts with material collecting device (16) is provided with cycle stock mouth (8), Install on inner circulating tube (6) outer wall between described cycle stock mouth (8) and air inlet (2) Fluid bed (11), and fluid bed (11) top be fixed on material collecting device (16) bottom, Described material collecting device (16) sidewall is provided with material overfall (12), described material collection Device (16) bottom sidewall is provided with evacuation port (13).
Circulation dry cleaning equipment in one the most according to claim 1, its feature exists In, compressed air reverse gas cleaning system (10), described pressure are installed in described air-purifying chamber (14) Contracting air reverse gas cleaning system (10) includes gas bag, pulse valve and injection tube, described pulse valve One end connect gas bag, the other end connect injection tube.
Circulation dry cleaning equipment in one the most according to claim 1, its feature exists In, described fluid bed (11) includes boiling plate, air chamber and high-pressure blast air inlet.
Circulation dry cleaning equipment in one the most according to claim 1, its feature exists In, described sack cleaner casing (1) sidewall is provided with inspection platform (17), and inspection Equating platform (17) outside is provided with railing (18).
Circulation dry cleaning equipment in one the most according to claim 1, its feature exists In, described support means (15) includes supporting leg and crossbeam, the inwall of described supporting leg and horizontal stroke The outer wall of beam is equipped with screw thread, and is matched by screw thread with supporting leg in one end of crossbeam, another End is fixed on the bottom of sack cleaner casing (1).
6. the invention allows for the technical method of a kind of interior circulation dry cleaning equipment, it is special Levy and be, comprise the following steps:
S1: ash-laden gas, in air inlet (2) enters inner circulating tube (6), will be collected simultaneously Dust in material collecting device (16) joins inner circulating tube by cycle stock mouth (8) (6), in, make ash-laden gas be circulated with dust and contact;
S2: ash-laden gas rises along inner circulating tube (6) with dust, and by air grille (7) Enter in the defecator of sack cleaner casing (1), after the filtration of defecator, Dust and harmful gas are adsorbed filtering and being collected in material collecting device (16), after purification Flue gas enter in air-purifying chamber (14), and enter air by air outlet (3), be collected in In material collecting device (16), dust participates in next purification process again, when material collecting device (16) The dust of collection can overflow from material overfall (12) time too much;
S3: after purification run terminates, by the dust in material collecting device (16) from evacuation port (13) discharge.
CN201610548189.7A 2016-07-13 2016-07-13 Internal circulation dry-process purification technology and equipment Pending CN105964073A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610548189.7A CN105964073A (en) 2016-07-13 2016-07-13 Internal circulation dry-process purification technology and equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610548189.7A CN105964073A (en) 2016-07-13 2016-07-13 Internal circulation dry-process purification technology and equipment

Publications (1)

Publication Number Publication Date
CN105964073A true CN105964073A (en) 2016-09-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108554075A (en) * 2017-10-20 2018-09-21 中钢集团天澄环保科技股份有限公司 Vertically enter the wind sack cleaner in top
CN111397396A (en) * 2020-03-19 2020-07-10 中国成达工程有限公司 Powder material cooling system and cooling process thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5523654B2 (en) * 1973-01-22 1980-06-24
JPH07148410A (en) * 1993-11-30 1995-06-13 Shionogi & Co Ltd Bag filter damage detecting apparatus and method and fluidized bed granulating apparatus
CN101773754A (en) * 2010-03-26 2010-07-14 贵阳铝镁设计研究院 Bag-type dust remover for dry purifying system
CN102949894A (en) * 2011-08-29 2013-03-06 沈阳铝镁设计研究院有限公司 Bottom air inlet type cloth bag type dust collector
CN203355493U (en) * 2013-06-17 2013-12-25 青岛路博宏业环保技术开发有限公司 Pulsed bag-type dust remover
CN104353302A (en) * 2014-11-19 2015-02-18 张家港市艾尔环保设备有限公司 Combined type cloth bag dust remover
CN104707409A (en) * 2013-12-11 2015-06-17 贵阳铝镁设计研究院有限公司 Gas-solid two-phase flow uniform distribution method and device for large bag-type dust remover
CN105477966A (en) * 2015-12-25 2016-04-13 广东浚丰华科技有限公司 Pulse bag type dust collection device and method thereof
CN206027274U (en) * 2016-07-13 2017-03-22 湖南蓝之天环保科技产业有限责任公司 Inner loop dry cleaning equips

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5523654B2 (en) * 1973-01-22 1980-06-24
JPH07148410A (en) * 1993-11-30 1995-06-13 Shionogi & Co Ltd Bag filter damage detecting apparatus and method and fluidized bed granulating apparatus
CN101773754A (en) * 2010-03-26 2010-07-14 贵阳铝镁设计研究院 Bag-type dust remover for dry purifying system
CN102949894A (en) * 2011-08-29 2013-03-06 沈阳铝镁设计研究院有限公司 Bottom air inlet type cloth bag type dust collector
CN203355493U (en) * 2013-06-17 2013-12-25 青岛路博宏业环保技术开发有限公司 Pulsed bag-type dust remover
CN104707409A (en) * 2013-12-11 2015-06-17 贵阳铝镁设计研究院有限公司 Gas-solid two-phase flow uniform distribution method and device for large bag-type dust remover
CN104353302A (en) * 2014-11-19 2015-02-18 张家港市艾尔环保设备有限公司 Combined type cloth bag dust remover
CN105477966A (en) * 2015-12-25 2016-04-13 广东浚丰华科技有限公司 Pulse bag type dust collection device and method thereof
CN206027274U (en) * 2016-07-13 2017-03-22 湖南蓝之天环保科技产业有限责任公司 Inner loop dry cleaning equips

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108554075A (en) * 2017-10-20 2018-09-21 中钢集团天澄环保科技股份有限公司 Vertically enter the wind sack cleaner in top
CN108554075B (en) * 2017-10-20 2019-12-13 中钢集团天澄环保科技股份有限公司 Bag type dust collector with vertical air inlet at top
CN111397396A (en) * 2020-03-19 2020-07-10 中国成达工程有限公司 Powder material cooling system and cooling process thereof

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