CN109939503A - A kind of gas generator purification system - Google Patents

A kind of gas generator purification system Download PDF

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Publication number
CN109939503A
CN109939503A CN201910316861.3A CN201910316861A CN109939503A CN 109939503 A CN109939503 A CN 109939503A CN 201910316861 A CN201910316861 A CN 201910316861A CN 109939503 A CN109939503 A CN 109939503A
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CN
China
Prior art keywords
air inlet
pipe
valve
air
gas generator
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
CN201910316861.3A
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Chinese (zh)
Inventor
张锦海
徐鑫
郭磊
陈华锋
王志辉
汪成飞
吴飞
席颖
韩晓春
汪为忠
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.)
HEFEI DESIRED ENVIRONMENTAL TECHNOLOGY Co Ltd
Original Assignee
HEFEI DESIRED ENVIRONMENTAL TECHNOLOGY 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 HEFEI DESIRED ENVIRONMENTAL TECHNOLOGY Co Ltd filed Critical HEFEI DESIRED ENVIRONMENTAL TECHNOLOGY Co Ltd
Priority to CN201910316861.3A priority Critical patent/CN109939503A/en
Publication of CN109939503A publication Critical patent/CN109939503A/en
Pending legal-status Critical Current

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Abstract

The present invention discloses a kind of gas generator purification system, including filter house, security system, diffusion system and exchange system;Filter house includes several dedusters, and deduster includes cabinet, and air inlet is provided on lower box outer wall, is provided with gas outlet in cabinet external wall of upper portion;Air inlet is provided with air inlet pipe, and gas outlet is provided with escape pipe, and air inlet pipe and an air outlet pipe is connected to by communicating pipe;Security system includes dividing intake valve, separating air valve, divides intake valve to be set to the air inlet, separates air valve and be set to the gas outlet, diffusion system and the mating setting of exchange system, radiology system are set to dust remover roof;Exchange system is set to the lower part of deduster;The present invention avoids generating the waste water quite containing harmful toxic matters such as phenol, cyanogen, reduces environmental pollution compared to the existing wet purification technology for grace furnace gases, using dry dedusting technology it is not necessary that cooling water injected system is incidentally arranged.

Description

A kind of gas generator purification system
Technical field
The present invention relates to filter plant fields, and in particular to a kind of gas generator purification system.
Background technique
Ender furnace coal dust gasification technology has been carried out to Winkler furnace three big on the basis of German Winkler technology After transformation;Existing Ender furnace is further developed using technologies such as advanced DCS controls, is perfect, and original is improved Carry out the technical level of Ender furnace.
Being mainly characterized in that for Ender furnace coal dust gasification technology is with low investment, coal adapts to width, and the technology is low to coal quality requirements, It is generally 8%, up to 12% to the design requirement of moisture in coal suitable for lignite, jet coal.But existing Ender furnace is to coal Activity has certain requirement, and the carry-over of stove is more, and dust separation amount is big, and coal consumption is high.
It is now to take wet purification technology to the main purification method of grace furnace gases, i.e., is removed after gasification furnace using whirlwind Dirt device enters waste heat boiler after carrying out rough dedusting, enters subsequent work after wash cooling tower from flue gas after waste heat boiler cooling Section.A large amount of cooling water injected systems are needed using the wet cleaning system of wash cooling tower, therefore feed pump, feed pipe need to be created The systems such as road;A great deal of waste water can be generated in purification process simultaneously, the harmful toxic matters such as phenol, cyanogen are contained in waste water, and is generated useless Water is more intractable.
In view of the above drawbacks, creator of the present invention obtains the present invention by prolonged research and practice finally.
Summary of the invention
To solve above-mentioned technological deficiency, the technical solution adopted by the present invention is, provides a kind of gas generator purification system System, including filter house, security system, diffusion system and exchange system;The security system, the diffusion system and the displacement System is all set on the filter house, and the filter house includes several dedusters, and the deduster includes cabinet, the case It is provided with air inlet on the outer wall of body lower part, is provided with gas outlet in the cabinet external wall of upper portion;The air inlet is provided with air inlet Pipe, the gas outlet are provided with escape pipe, and the air inlet pipe is connected to the escape pipe by communicating pipe;The security system packet It includes a point intake valve, separate air valve, described that intake valve is divided to be set to the air inlet, the air valve that separates is set to the outlet Mouthful, the diffusion system and the mating setting of the exchange system, the radiology system are set as the exhaust pipe with sealing valve, institute It states exhaust pipe and is set to the dust remover roof;The exchange system is set as the appendix with sealing valve, the appendix It is set to the lower part of the deduster.
Preferably, the security system further includes master air suction valve, main air outlet valve and communicating valve, the master air suction valve is set to In the air inlet pipe, and between the air inlet and the communicating pipe;The main air outlet valve is set on the escape pipe, And between the gas outlet and the communicating pipe;The communicating valve was set on the communicating pipe.
Preferably, the air inlet pipe is additionally provided with temperature detector, the temperature detector is for measuring the air inlet pipe The temperature of interior raw coke oven gas.
Preferably, being also equipped with the exhaust pipe with sealing valve on the air inlet pipe and the escape pipe.
Preferably, the deduster inner wall is provided with erosion resistant coating, outer wall is provided with insulating layer, and the erosion resistant coating selects glass Scale resin material;The insulating layer selects silicic acid aluminium material.
Preferably, the deduster further includes filter element group, ash bucket, deashing mechanism;The ash bucket is set to the case Immediately below body, the filter element group, the pressure measuring mechanism, the deashing mechanism are all set on the cabinet.
Preferably, the box house is provided with card, the box house is divided into the dedusting of lower part by the card The air-purifying chamber of room and top;The filter element group setting is fixed on the card;The air inlet and the dedusting Room connection, the air-purifying chamber are connected to the gas outlet.
Preferably, the ash bucket is additionally provided with heating part, the heating part be arranged in it is thermally conductive on the ash bucket inner wall Layer, the heat-conducting layer are set between the erosion resistant coating and the insulating layer, and the heat-conducting layer is heated by heating member, institute State the cinder-discharging port top that heating part is set to the ash bucket.
Preferably, the filter element group is set in the dirt pocket, the filter element group includes several ceramic filterings It is fixedly installed on the card at the top of pipe or bag-type dust part, the ceramic screen pipe and the bag-type dust part.
Preferably, the deduster further includes pressure measuring mechanism, the pressure measuring mechanism include pressure difference instrument, upper survey pressure probe, under Pressure probe is surveyed, the pressure difference instrument and the upper survey pressure probe, the lower survey pressure probe connection, the upper survey pressure probe are arranged in institute It states in air-purifying chamber, the lower survey pressure probe is arranged in the dirt pocket, can test out the net gas by the pressure measuring mechanism Pressure difference between room and the dirt pocket.
Compared with the prior art the beneficial effects of the present invention are: the present invention compared to existing for the wet of grace furnace gases Method purification techniques is avoided generating and quite contains phenol, cyanogen using dry dedusting technology it is not necessary that cooling water injected system is incidentally arranged The waste water of equal harmful toxic matters, reduces environmental pollution.
Detailed description of the invention
Fig. 1 is the structure front view of refractory seals type unloading valve of the present invention;
Fig. 2 is the structural side view of refractory seals type unloading valve of the present invention;
Fig. 3 is the structure chart of the deduster.
Digital representation in figure:
1- filter house;2- security system;3- diffusion system;4- exchange system;5- air inlet pipe;6- escape pipe;7- communicating pipe; 11- cabinet;12- ash bucket;13- air inlet;The gas outlet 14-;The heating part 15-;16- heating member;17- filter element group;18- surveys pressure Mechanism;19- deashing mechanism;21- divides intake valve;22- separates air valve;23- master air suction valve;The main air outlet valve of 24-;25- communicating valve; 51- temperature detector.
Specific embodiment
Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.
Embodiment one
As depicted in figs. 1 and 2, Fig. 1 is the structure front view of gas generator purification system of the present invention;Fig. 2 is this Invent the structural side view of the gas generator purification system;The gas generator purification system includes filter house 1, security System 2, diffusion system 3 and exchange system 4;The security system 2, the diffusion system 3 and the exchange system 4 are all set in On the filter house 1.
The filter house 1 includes several dedusters, as shown in figure 3, Fig. 3 is the structure chart of the deduster;The dedusting Device includes cabinet 11, filter element group 17, pressure measuring mechanism 18, ash bucket 12, deashing mechanism 19.The ash bucket 12 is set to described Immediately below cabinet 11, the filter element group 17, the pressure measuring mechanism 18, the deashing mechanism 19 are all set in the cabinet 11 On.
The cabinet 11 is internally provided with card, the card by be divided into inside the cabinet 11 lower part dirt pocket and The air-purifying chamber on top;The setting of filter element group 17 is fixed on the card.It is set on the 11 lower part outer wall of cabinet It is equipped with air inlet 13, is provided with gas outlet 14 in 11 external wall of upper portion of cabinet.The air inlet 13 is connected to the dirt pocket, The air-purifying chamber is connected to the gas outlet 14.The air inlet 13 is provided with air inlet pipe 5, and the gas outlet 14 is provided with outlet Pipe 6, the air inlet pipe 5 and the escape pipe 6 are by being connected to communicating pipe 7.
The security system 2 includes dividing intake valve 21, separating air valve 22, master air suction valve 23, main air outlet valve 24 and communicating valve 25, it is described that intake valve 21 is divided to be set to the air inlet 13, to control being connected to for the air inlet pipe 5 and the air inlet 13; The air valve 22 that separates is set to the gas outlet 14, to control being connected to for the escape pipe 6 and the gas outlet 14;It is described Master air suction valve 23 is set in the air inlet pipe 5, and positioned at the air inlet 13 and between the communicating pipe 7;The main outlet Valve 24 is set on the escape pipe 6, and positioned at the gas outlet 14 and between the communicating pipe 7;The communicating valve 25 is arranged In the communicating pipe 7.
Specifically, by it is described divide intake valve 21 and it is described separate air valve 22 can control the single deduster and it is described into The connection of tracheae 5, the escape pipe 6 controls the air inlet pipe 5 and 1 entirety of filter house by the master air suction valve 23 Connection controls the escape pipe 6 and the whole connection of the filter house 1 by the main air outlet valve 24, passes through the communicating valve Connection between the 25 controls air inlet pipe 5 and the escape pipe 6.
The diffusion system 3 and the mating setting of the exchange system 4, the radiology system are set as the row with sealing valve Tracheae, the exhaust pipe are set to 11 top of cabinet;The exchange system 4 is set as the appendix with sealing valve, institute Appendix is stated to be set at 12 position of ash bucket.
When the gas generator purification system normally purifies ash disposal, the exhaust pipe and the appendix are turned off, institute State point intake valve 21, air valve 22, the master air suction valve 23, the main air outlet valve 24 of separating is opened, the pass of communicating valve 25 It closes, the raw coke oven gas in the air inlet pipe 5 is entered in the deduster by the air inlet 13 of each deduster to be dusted only Change, and is discharged by the gas outlet 14 from the escape pipe 6.
When a certain deduster failure need to repair, it can divide intake valve 21 by described and described separate gas Valve 22 closes the connection between the deduster and the air inlet pipe 5, the escape pipe 6, opens the exhaust pipe and described defeated Tracheae, by the appendix to the 11 delivered inside gas of cabinet, to make conveying gas will from 11 lower part of cabinet Original raw coke oven gas in the cabinet 11 is gradually replaced, and raw coke oven gas is discharged from the exhaust pipe, and then is removed described in the failure The working environment for being suitble to operator to enter is constructed in dirt device, convenient for the maintenance of the deduster.
Preferably, the air inlet pipe 5 is additionally provided with temperature detector 51, the temperature detector 51 can measure the air inlet The temperature of raw coke oven gas in pipe 5, since raw gas temperature fluctuation is larger, when the temperature detector 51 temperature value detected is greater than When the maximum bearing temperature value of the filter element group 17, by the way that the master air suction valve 23, the main air outlet valve 24 are closed institute The connection of air inlet pipe 5, the escape pipe 6 and the filter house 1 is stated, and opens the communicating valve 25, makes the air inlet pipe 5 and institute It states and is connected between escape pipe 6, to avoid high-temperature gas that from could leading to the damage of the filter element group 17 convenient for active control It crosses the gas generator purification system and purification is dusted to raw coke oven gas.
Preferably, the exhaust pipe with sealing valve is also equipped on the air inlet pipe 5 and the escape pipe 6, for being discharged Gas in the air inlet pipe 5 and the escape pipe 6.
The present invention is compared to the existing wet purification technology for grace furnace gases, using dry dedusting technology, without attached Band setting cooling water injected system, avoids generating the waste water quite containing harmful toxic matters such as phenol, cyanogen, reduces environmental pollution, meanwhile, Generally the reduction of raw gas temperature is easily caused to make dust so as to cause Water vapor condensation in raw coke oven gas using wet purification technology It is mixed with condensed water, causes the blocking of purification system;The present invention uses dry dedusting technology, into the raw coke oven gas of the deduster It will not cool down, thus the problem of reducing deduster blocking.
Preferably, the inner wall of the cabinet 11 and the ash bucket 12 is provided with erosion resistant coating, outer wall is provided with insulating layer.It is described Erosion resistant coating selects glass resin flake material, avoids the corrosion of corrosive gas contained in raw coke oven gas, improves the deduster Service life;The insulating layer selects silicic acid aluminium material, to guarantee the temperature in the deduster.
Embodiment two
The ash bucket 12 is wide at the top and narrow at the bottom, and 12 bottom of ash bucket is provided with unloading valve, for controlling 12 bottom of ash bucket The opening and closing of cinder-discharging port.
Specifically, the filter element group 17 is set in the dirt pocket, the filter element group 17 includes several potteries It is fixedly installed on the card at the top of porcelain chimney filter or bag-type dust part, the ceramic screen pipe or the bag-type dust part.
The pressure measuring mechanism 18 includes pressure difference instrument, upper survey pressure probe, lower survey pressure probe, and the pressure difference instrument is arranged in the case On body 11, the upper survey pressure probe is arranged in the air-purifying chamber, and the lower survey pressure probe is arranged in the dirt pocket, passes through The pressure measuring mechanism 18 can test out the pressure difference between the air-purifying chamber and the dirt pocket, to realize the deashing mechanism 19 automatic ash removing.
The deashing mechanism 19 includes anti-blowpipe, nozzle and pulse valve.The nozzle is mounted on the anti-blowpipe, and right The upper port of the ceramic screen pipe is answered to be arranged.The pulse valve is connected between the nozzle and the anti-blowpipe.
Choke plate is also tiltedly installed in the dirt pocket, the choke plate corresponds to the air inlet 13 and is arranged, for protecting Card high temperature dust furnace gas can uniformly pass through each ceramic screen pipe.
Preferably, the ash bucket 12 is additionally provided with heating part 15, the heating part 15 is to be arranged in 12 inner wall of ash bucket On heat-conducting layer, the heat-conducting layer is set between the erosion resistant coating and the insulating layer, and the heat-conducting layer passes through heating member 16 Such as thermal resistance is heated, and the heating part 15 is set to the cinder-discharging port top.The heating part 15 is described to coming together in The dust on cinder-discharging port top is heated, and the temperature in corresponding region is improved;Since the vapor in raw coke oven gas is purifying Dust removal process partial condensation and under self gravitation effect, comes together at the cinder-discharging port, and mix with dust, easily causes The blocking of the cinder-discharging port heats up to the cinder-discharging port regional location by the setting of the heating part 15, to make to coagulate It bears water and is again converted to vapor and is discharged from the escape pipe 6, reduce the blocking probability of the cinder-discharging port, while guaranteeing waste coal Water vapour content in gas.
When net gas dedusting, the communicating valve 25 is closed, and the air inlet pipe 5 and the escape pipe 6 are independently arranged, the air inlet High temperature raw coke oven gas in pipe 5 enters inside the cabinet 11 from the air inlet 13, and the gas under the blocking of the choke plate Entering the dirt pocket from 11 bottom of cabinet downwards, biggish grit is fallen under gravity into the ash bucket 12, Gas with tiny grit enters the dirt pocket and the filter element group 17 contacts dedusting, and gas enters described net after dedusting Then gas chamber is discharged into the escape pipe 6 from the gas outlet 14.Tiny grit is attached to the ceramic screen pipe or the cloth bag On the outer wall of dust removal piece.
When the pressure difference instrument show resistance or more it is poor more than 800Pa when, open the pulse valve, compressed air is from the spray Mouth sprays, and carries out deashing to the filter element group 17, when pressure difference instrument shows resistance or more the nearly 0Pa of differential, the pulse valve It closes, stops deashing.
The foregoing is merely presently preferred embodiments of the present invention, is merely illustrative for the purpose of the present invention, and not restrictive 's.Those skilled in the art understand that in the spirit and scope defined by the claims in the present invention many changes can be carried out to it, It modifies or even equivalent, but falls in protection scope of the present invention.

Claims (10)

1. a kind of gas generator purification system, which is characterized in that including filter house, security system, diffusion system and substitution line System;The filter house includes several dedusters, and the deduster includes cabinet, is provided with air inlet on the lower box outer wall Mouthful, gas outlet is provided in the cabinet external wall of upper portion;The air inlet is provided with air inlet pipe, and the gas outlet is provided with outlet Pipe, the air inlet pipe are connected to the escape pipe by communicating pipe;The security system includes dividing intake valve, separating air valve, institute It states a point intake valve and is set to the air inlet, the air valve that separates is set to the gas outlet, the diffusion system and described sets System support setting is changed, the radiology system is set as the exhaust pipe with sealing valve, and the exhaust pipe is set to the dedusting At the top of device;The exchange system is set as the appendix with sealing valve, and the appendix is set to the lower part of the deduster.
2. gas generator purification system as described in claim 1, which is characterized in that the security system further includes main air inlet Valve, main air outlet valve and communicating valve, the master air suction valve are set in the air inlet pipe, and are located at the air inlet and are connected to described Between pipe;The main air outlet valve is set on the escape pipe, and between the gas outlet and the communicating pipe;The company Port valve was set on the communicating pipe.
3. gas generator purification system as claimed in claim 2, which is characterized in that the air inlet pipe is additionally provided with temperature inspection Device is surveyed, the temperature detector is used to measure the temperature of raw coke oven gas in the air inlet pipe.
4. gas generator purification system as described in claim 1, which is characterized in that in the air inlet pipe and the escape pipe It is also equipped with the exhaust pipe with sealing valve.
5. gas generator purification system as described in claim 1, which is characterized in that the deduster inner wall is provided with anti-corrosion Layer, outer wall are provided with insulating layer, and the erosion resistant coating selects glass resin flake material;The insulating layer selects silicic acid aluminium material.
6. gas generator purification system as described in claim 1, which is characterized in that the deduster further includes filter element Group, ash bucket, deashing mechanism;The ash bucket is set to immediately below the cabinet, the filter element group, the pressure measuring mechanism, institute Deashing mechanism is stated to be all set on the cabinet.
7. gas generator purification system as claimed in claim 6, which is characterized in that the box house is provided with card, The box house is divided into the dirt pocket of lower part and the air-purifying chamber on top by the card;The filter element group setting is fixed It is arranged on the card.
8. gas generator purification system as claimed in claim 6, which is characterized in that the ash bucket is additionally provided with heating part, The heating part is the heat-conducting layer being arranged on the ash bucket inner wall, and the heat-conducting layer is set to the erosion resistant coating and the heat preservation Between layer, the heat-conducting layer is heated by heating member, and the heating part is set to the cinder-discharging port top of the ash bucket.
9. gas generator purification system as claimed in claim 7, which is characterized in that the filter element group is set to described In dirt pocket, the filter element group includes several ceramic screen pipes or bag-type dust part, and the ceramic screen pipe and the cloth bag remove It is fixedly installed on the card at the top of dirt part;The air inlet is connected to the dirt pocket, the air-purifying chamber and the outlet Mouth connection.
10. gas generator purification system as claimed in claim 7, which is characterized in that the deduster further includes pressure measuring machine Structure, the pressure measuring mechanism include pressure difference instrument, upper survey pressure probe, lower surveys pressure probe, the pressure difference instrument and upper surveys press pop one's head in, institute Lower survey pressure probe connection is stated, the upper survey pressure probe is arranged in the air-purifying chamber, and the lower survey pressure probe setting is removed described In dirt room, the pressure difference between the air-purifying chamber and the dirt pocket is tested out by the pressure measuring mechanism.
CN201910316861.3A 2019-04-17 2019-04-17 A kind of gas generator purification system Pending CN109939503A (en)

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Application Number Priority Date Filing Date Title
CN201910316861.3A CN109939503A (en) 2019-04-17 2019-04-17 A kind of gas generator purification system

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Application Number Priority Date Filing Date Title
CN201910316861.3A CN109939503A (en) 2019-04-17 2019-04-17 A kind of gas generator purification system

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Publication Number Publication Date
CN109939503A true CN109939503A (en) 2019-06-28

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2905187Y (en) * 2006-04-29 2007-05-30 江苏科林集团有限公司 Converter coal gas dry-process purifying bag type dust collector
CN101371960A (en) * 2008-05-27 2009-02-25 综合能源有限公司 New use of cloth bag dust collection method and device thereof
CN101559307A (en) * 2009-05-21 2009-10-21 上海宝钢工程技术有限公司 High temperature resistant dust collector
CN201558626U (en) * 2009-10-09 2010-08-25 沈阳东和环保有限公司 Gas dry-process safety cloth bag dust remover
CN207169265U (en) * 2017-05-31 2018-04-03 张汇川 A kind of back-blowing small pressure difference deashing high-efficient cloth-bag dust precipitator
CN208057192U (en) * 2018-04-04 2018-11-06 绵阳佳玺妍华科技有限公司 Environmentally-frieautomobile automobile exhaust purifier
CN210044954U (en) * 2019-04-17 2020-02-11 合肥合意环保科技工程有限公司 Gas producer clean system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2905187Y (en) * 2006-04-29 2007-05-30 江苏科林集团有限公司 Converter coal gas dry-process purifying bag type dust collector
CN101371960A (en) * 2008-05-27 2009-02-25 综合能源有限公司 New use of cloth bag dust collection method and device thereof
US20110265652A1 (en) * 2008-05-27 2011-11-03 Synthesis Engery Systems, Inc Dust Removal Method Using Baghouse Filters And Dust Removal Apparatus Therefor
CN101559307A (en) * 2009-05-21 2009-10-21 上海宝钢工程技术有限公司 High temperature resistant dust collector
CN201558626U (en) * 2009-10-09 2010-08-25 沈阳东和环保有限公司 Gas dry-process safety cloth bag dust remover
CN207169265U (en) * 2017-05-31 2018-04-03 张汇川 A kind of back-blowing small pressure difference deashing high-efficient cloth-bag dust precipitator
CN208057192U (en) * 2018-04-04 2018-11-06 绵阳佳玺妍华科技有限公司 Environmentally-frieautomobile automobile exhaust purifier
CN210044954U (en) * 2019-04-17 2020-02-11 合肥合意环保科技工程有限公司 Gas producer clean system

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