CN107362684A - A kind of incinerator smoke denitrification apparatus - Google Patents

A kind of incinerator smoke denitrification apparatus Download PDF

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Publication number
CN107362684A
CN107362684A CN201710762751.0A CN201710762751A CN107362684A CN 107362684 A CN107362684 A CN 107362684A CN 201710762751 A CN201710762751 A CN 201710762751A CN 107362684 A CN107362684 A CN 107362684A
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CN
China
Prior art keywords
heat exchange
fin heat
exchange pipe
ammonia
pipe
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Pending
Application number
CN201710762751.0A
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Chinese (zh)
Inventor
戴顺国
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WUXI CITY YAOTONG ENVIRONMENTAL PROTECTION MACHINERY CO Ltd
Original Assignee
WUXI CITY YAOTONG ENVIRONMENTAL PROTECTION MACHINERY CO Ltd
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Application filed by WUXI CITY YAOTONG ENVIRONMENTAL PROTECTION MACHINERY CO Ltd filed Critical WUXI CITY YAOTONG ENVIRONMENTAL PROTECTION MACHINERY CO Ltd
Priority to CN201710762751.0A priority Critical patent/CN107362684A/en
Publication of CN107362684A publication Critical patent/CN107362684A/en
Pending legal-status Critical Current

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    • 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8621Removing nitrogen compounds
    • B01D53/8625Nitrogen oxides
    • B01D53/8631Processes characterised by a specific device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/90Injecting reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

A kind of incinerator smoke denitrification apparatus, including incinerator, sack cleaner, blower fan, SCR reactors, ammonia gasifier, wet electrical dust precipitator, it is characterised in that:The incinerator connects sack cleaner by pipeline, blower fan, SCR reactors, ammonia gasifier, wet electrical dust precipitator, catalyst layer is provided among the SCR reactors, SCR reactors top is connected with ammonia/air mixer, ammonia/air mixer is connected with dilution ammonia blower fan all the way, another way connects with the outlet of ammonia dashpot, the ammonia gasifier, including air-bathing gasifier, water bath type gasifier, regulator, the air-bathing gasifier includes two groups of symmetrical gasification units, feed tube, escape pipe, connecting tube, frame, each gasification unit is fixed in frame.The present invention can remove the pollutants such as NOx, mercury, bioxin and the flue dust in flue gas of garbage furnace, make flue gas qualified discharge, avoid polluting environment.

Description

A kind of incinerator smoke denitrification apparatus
Technical field
The present invention relates to a kind of denitration device of flue gas, more particularly, to a kind of incinerator smoke denitrification apparatus, belongs to ring Protect technical field.
Background technology
In prior art, the flue gas between 850 DEG C~1100 DEG C caused by after fully burning of house refuse enters Enter waste heat boiler, after 550 DEG C~600 DEG C of flue gas of waste heat boiler outflow is down to 180 DEG C by misting cooling cooling system Denitration process is carried out, at present, the processing for incinerator smoke, denitrating technique is mainly using ammoniacal liquor as in reducing agent, with flue gas Reaction of nitrogen oxides;Shortcomings be present in the above method:
(1), denitrating technique reacts mainly using ammoniacal liquor as reducing agent with nitrogen oxides in effluent;Its shortcoming is ammoniacal liquor With liquefied ammonia be dangerous cargo it is not readily transportable and storage.
The content of the invention
It is an object of the present invention to overcome the above deficiencies, so as to provide a kind of incinerator smoke denitrification apparatus, has Denitration efficiency is high, and investment operating cost is low, and reliability is high, and energy consumption is low, safeguards that easily floor space is small, system service life length etc. Advantage.
The technical scheme is that:A kind of incinerator smoke denitrification apparatus, including incinerator, sack cleaner, blower fan, SCR reactors, ammonia gasifier, wet electrical dust precipitator, it is characterised in that:The incinerator by pipeline connect sack cleaner, Blower fan, SCR reactors, ammonia gasifier, wet electrical dust precipitator, the SCR reactors centre are provided with catalyst layer, SCR reactors Top is connected with ammonia/air mixer, and ammonia/air mixer is connected with dilution ammonia blower fan all the way, another way and ammonia Dashpot outlet connection, the ammonia gasifier, including air-bathing gasifier, water bath type gasifier, regulator, the empty bath Gasifier includes two groups of symmetrical gasification units, feed tube, escape pipe, connecting tube, frames, and each gasification unit is fixed on frame On, every group of gasification unit lower end connects a feed liquor branch pipe, and feed liquor branch pipe is connected to feed tube, every group of gasification unit fin heat exchange Guan Gongliu rows, often the symmetrical composition of the row of row 12, the first fin heat exchange pipe and the second fin heat exchange pipe lower end connect a feed liquor branch Pipe, the first fin heat exchange pipe side set gradually the second fin heat exchange pipe, the 3rd fin heat exchange pipe, the 4th fin heat exchange pipe, the Five fin heat exchange pipes, the 6th fin heat exchange pipe, the 7th fin heat exchange pipe, the 8th fin heat exchange pipe, the 9th fin heat exchange pipe, the tenth Fin heat exchange pipe, the 11st fin heat exchange pipe, the 12nd fin heat exchange pipe, the first fin heat exchange pipe, the second fin heat exchange pipe, Three fin heat exchange pipes, the 4th fin heat exchange pipe be 8 fins of band heat exchanger tube, the 5th fin heat exchange pipe, the 6th fin heat exchange pipe, 7th fin heat exchange pipe, the 8th fin heat exchange pipe, the 9th fin heat exchange pipe, the tenth fin heat exchange pipe, the 11st fin heat exchange pipe, 12nd fin heat exchange pipe is the heat exchanger tube of 12 fins of band, and the first fin heat exchange pipe upper end is changed by connecting tube and the 3rd fin Heat pipe upper end is connected, and the 3rd fin heat exchange pipe lower end is connected by connecting tube with the 5th fin heat exchange pipe lower end, and the 5th fin changes Heat pipe upper end is connected by connecting tube with the 7th fin heat exchange pipe upper end, and the 7th fin heat exchange pipe lower end passes through connecting tube and the 9th Fin heat exchange pipe lower end is connected, and the 9th fin heat exchange pipe upper end is connected by connecting tube with the 11st fin heat exchange pipe upper end, the Two fin heat exchange pipe upper ends are connected by connecting tube with the 4th fin heat exchange pipe upper end, and the 4th fin heat exchange pipe lower end passes through connection The fin heat exchange pipe lower ends of Guan Yu six are connected, and the 6th fin heat exchange pipe upper end is connected by connecting tube and the 8th fin heat exchange pipe upper end Connect, the 8th fin heat exchange pipe lower end is connected by connecting tube with the tenth fin heat exchange pipe lower end, and the tenth fin heat exchange pipe upper end leads to Cross connecting tube to be connected with the 12nd fin heat exchange pipe upper end, the 11st fin heat exchange pipe lower end and the 12nd fin heat exchange pipe lower end A going out gas branch pipe is connected, going out gas branch pipe is connected to escape pipe, and the escape pipe connects two pipelines arranged side by side, first pipeline Including water bath type gasifier inlet ball valve, water bath type gasifier, water bath type gasifier vent ball valve, the water bath type gasifier, Including cylinder, coiled heat exchanger tube, water bath type gasifier feed tube and water bath type gasifier escape pipe, bottom is provided with electricity in cylinder Heater, cylinder left side lower end are provided with water bath type gasifier feed tube, and upper end is provided with water bath type gasifier escape pipe on the right side of cylinder, Four groups of coiled heat exchanger tubes are uniformly arranged in cylinder, and upper cover is provided with the top of cylinder, and cylinder body bottom is provided with low head, under End socket is flat underside, and Article 2 pipeline includes bypass ball valve, and two pipelines by pipeline connect regulator, the tune after converging Pressure device includes including filter, pressure regulator, the filter sequence by two pressure regulation pipelines arranged side by side, each pressure regulation pipeline Pressure regulator is connected, two pressure regulation pipelines are linked in sequence flowmeter inlet ball valve, flowmeter, flowmeter outlet after converging by pipeline Ball valve, gas outlet, gas outlet are connected with ammonia dashpot import, and SCR reactor exhanst gas outlets pass through pipeline and wet-esp The air inlet of device connects, the wet electrical dust precipitator, including high-tension electricity feedway, the internal housing for cavity, is set on housing Air inlet, gas outlet, tank are equipped with, tank is located at housing bottom, and dust collecting electrode, discharge electrode, top cleaning dress are provided with housing Put, bottom cleaning device, air inlet is located at lower housing portion, and gas outlet is located at case top, and top cleaning device is arranged on dust The top of pole, bottom cleaning device are arranged on the lower section of dust collecting electrode, and top cleaning device, bottom cleaning device are connected by pipeline Valve, water pump, by setting top cleaning device, bottom cleaning device respectively in the upper and lower of dust collecting electrode, it can greatly improve The efficiency of dust collection of wet electrical dust precipitator, the discharge electrode are suspended to the channel center of dust collecting electrode, are provided with and put on the discharge electrode Acusector, the discharge electrode both ends are connected with discharge electrode support and discharge electrode fixed mount respectively, and the discharge electrode support is positioned at electric discharge Pole top, the discharge electrode fixed mount are located at discharge electrode bottom.
The beneficial effects of the invention are as follows:The present invention provides a kind of incinerator smoke denitrification apparatus, using selective catalysis also Former method (SCR), under catalyst action, nitrogen oxides is reduced into nitrogen by the amino in reducing agent;Wet electrical dust precipitator is to micro- Fine particle and aerosol removal efficiency are 99~99.99%, realize fine dust in flue gas, SO3The combined pollutions such as acid mist The efficient removal of thing;High with denitration efficiency, investment operating cost is low, and reliability is high, and energy consumption is low, safeguards that easily floor space is small, The advantages that system service life is long, the noxious pollutant such as bioxin, heavy metal in flue gas can be adsorbed, make flue gas row up to standard Put, avoid polluting environment.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the overlooking the structure diagram of ammonia gasifier in Fig. 1.
Fig. 3 is enlarged drawing at A in Fig. 1.
In Fig. 1, Fig. 2, Fig. 3,1. incinerators, 2. sack cleaners, 3. blower fans, 4.SCR reactors, 5. ammonia gasifiers, 6. Wet electrical dust precipitator, 7. dilution ammonia blower fans, 8. ammonias/air mixer, 9. ammonia dashpots, 10. catalyst layers, 50. is empty Bathing gasifier, 51. first fin heat exchange pipes, 52. second fin heat exchange pipes, 53. the 3rd fin heat exchange pipes, 54. the 4th fins Heat exchanger tube, 55. the 5th fin heat exchange pipes, 56. the 6th fin heat exchange pipes, 57. the 7th fin heat exchange pipes, the heat exchange of 58. the 8th fins Pipe, 59. the 9th fin heat exchange pipes, 510. the tenth fin heat exchange pipes, 511. the 11st fin heat exchange pipes, 512. the 12nd fins change Heat pipe, 513. feed tubes, 514. escape pipes, 515. feed liquor branch pipes, 516. going out gas branch pipe, 517. frames, the gasification of 518. water-bath types Device inlet ball valve, 519. water bath type gasifiers, 520. water bath type gasifier vent ball valves, 521. bypass ball valves, 522. pressure regulators, 523. filters, 524. flowmeters, 525. gas outlets, 526. flowmeter inlet ball valves, 527. flowmeter outlet ball valves, 5191. Water bath type gasifier feed tube, 5192. electric heaters, 5193. coiled heat exchanger tubes, 5194. cylinders, the gasification of 5195. water-bath types Device escape pipe, 5196. upper covers, 5197. low heads, 61. high-tension electricity feedways, 62. discharge electrodes, 63. dust collecting electrodes, under 64. Portion's cleaning device, 65. air inlets, 66. tanks, 67. gas outlets, 68. top cleaning devices, 69. valves, 610. discharge electrode branch Frame, 611. discharge electrode fixed mounts, 612. water pumps, 613. housings, 614. spray points.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention is a kind of incinerator smoke denitrification apparatus, including incinerator 1, bag-type dust Device 2, blower fan 3, SCR reactors 4, ammonia gasifier 5, wet electrical dust precipitator 6, it is characterised in that:The incinerator 1 is connected by pipeline Sack cleaner 2, blower fan 3, SCR reactors 4, ammonia gasifier 5, wet electrical dust precipitator 6 are connect, is provided among the SCR reactors 4 Catalyst layer 10, the top of SCR reactors 4 are connected with ammonia/air mixer 8, the tunnel of ammonia/air mixer 8 one and diluted ammonia Gas blower fan 7 connects, and another way connects with the outlet of ammonia dashpot 9, the ammonia gasifier 5, including air-bathing gasifier 50, water-bath Formula gasifier 519, regulator, the air-bathing gasifier 50 include two groups of symmetrical gasification units, feed tube 513, outlet Pipe 514, connecting tube, frame 517, each gasification unit are fixed in frame 517, and every group of gasification unit lower end connects a feed liquor branch Pipe 515, feed liquor branch pipe 515 are connected to feed tube 513, and every group of gasification unit fin heat exchange pipe totally six row, often the row of row 12 are symmetrical Composition, the first fin heat exchange pipe 51 and the lower end of the second fin heat exchange pipe 52 connect a feed liquor branch pipe 515, the first fin heat exchange pipe 51 sides set gradually the second fin heat exchange pipe 52, the 3rd fin heat exchange pipe 53, the 4th fin heat exchange pipe 54, the heat exchange of the 5th fin Pipe 55, the 6th fin heat exchange pipe 56, the 7th fin heat exchange pipe 57, the 8th fin heat exchange pipe 58, the 9th fin heat exchange pipe the 59, the tenth Fin heat exchange pipe 510, the 11st fin heat exchange pipe 511, the 12nd fin heat exchange pipe 512, the first fin heat exchange pipe 51, the second wing Piece heat exchanger tube 52, the 3rd fin heat exchange pipe 53, the heat exchanger tube that the 4th fin heat exchange pipe 54 is 8 fins of band, the heat exchange of the 5th fin Pipe 55, the 6th fin heat exchange pipe 56, the 7th fin heat exchange pipe 57, the 8th fin heat exchange pipe 58, the 9th fin heat exchange pipe the 59, the tenth Fin heat exchange pipe 510, the 11st fin heat exchange pipe 511, the heat exchanger tube that the 12nd fin heat exchange pipe 512 is 12 fins of band, the The upper end of one fin heat exchange pipe 51 is connected by connecting tube with the upper end of the 3rd fin heat exchange pipe 53, and the lower end of the 3rd fin heat exchange pipe 53 leads to Cross connecting tube to be connected with the lower end of the 5th fin heat exchange pipe 55, the upper end of the 5th fin heat exchange pipe 55 is changed by connecting tube and the 7th fin The upper end of heat pipe 57 is connected, and the lower end of the 7th fin heat exchange pipe 57 is connected by connecting tube with the lower end of the 9th fin heat exchange pipe 59, and the 9th The upper end of fin heat exchange pipe 59 is connected by connecting tube with the upper end of the 11st fin heat exchange pipe 511, the upper end of the second fin heat exchange pipe 52 It is connected by connecting tube with the upper end of the 4th fin heat exchange pipe 54, the lower end of the 4th fin heat exchange pipe 54 passes through connecting tube and the 6th fin The lower end of heat exchanger tube 56 is connected, and the upper end of the 6th fin heat exchange pipe 56 is connected by connecting tube with the upper end of the 8th fin heat exchange pipe 58, the The lower end of eight fin heat exchange pipe 58 is connected by connecting tube with the lower end of the tenth fin heat exchange pipe 510, the upper end of the tenth fin heat exchange pipe 510 It is connected by connecting tube with the upper end of the 12nd fin heat exchange pipe 512, the lower end of the 11st fin heat exchange pipe 511 and the 12nd fin change The lower end of heat pipe 512 connects a going out gas branch pipe 516, and going out gas branch pipe 516 is connected to escape pipe 514, the connection of escape pipe 514 two Bar pipeline arranged side by side, first pipeline include water bath type gasifier inlet ball valve 518, water bath type gasifier 519, water-bath type gasification Device vent ball valve 520, the water bath type gasifier 519, including cylinder 5194, coiled heat exchanger tube 5193, water bath type gasifier Feed tube 5191 and water bath type gasifier escape pipe 5195, bottom is provided with electric heater 5192 in cylinder 5194, and cylinder 5194 is left Side lower end is provided with water bath type gasifier feed tube 5191, and the right side upper end of cylinder 5194 is provided with water bath type gasifier escape pipe 5195, Four groups of coiled heat exchanger tubes 5193 are uniformly arranged in cylinder 5194, and the top of cylinder 5194 is provided with upper cover 5196, cylinder 5194 bottoms are provided with low head 5197, and low head 5197 is flat underside, and Article 2 pipeline includes bypass ball valve 521, two pipes Road is included by two pressure regulation pipelines arranged side by side, each pressure regulation after converging by pipeline connection regulator, the regulator Pipeline includes filter 523, pressure regulator 522, and the filter 523 is linked in sequence pressure regulator 522, after two pressure regulation pipelines converge It is linked in sequence flowmeter inlet ball valve 526, flowmeter 524, flowmeter outlet ball valve 527, gas outlet 525 by pipeline, outlet Mouth 525 is connected with the import of ammonia dashpot 9, and the exhanst gas outlet of SCR reactors 4 passes through the air inlet of pipeline and wet electrical dust precipitator 6 65 connect, the wet electrical dust precipitator 6, including high-tension electricity feedway 61, the internal housing 613 for cavity, are set on housing 613 Air inlet 65, gas outlet 67, tank 66 are equipped with, tank 66 is located at the bottom of housing 613, and dust collecting electrode 63 is provided with housing 613, is put Electrode 62, top cleaning device 68, bottom cleaning device 64, air inlet 65 are located at the bottom of housing 613, and gas outlet 67 is located at housing 613 tops, top cleaning device 68 are arranged on the top of dust collecting electrode 63, and bottom cleaning device 64 is arranged under dust collecting electrode 63 Side, top cleaning device 68, bottom cleaning device 64 are by pipeline connecting valve 69, water pump 612, by dust collecting electrode 63 Upper and lower sets top cleaning device 68, bottom cleaning device 64 respectively, can greatly improve the dedusting of wet electrical dust precipitator 6 Efficiency, the discharge electrode 62 are suspended to the channel center of dust collecting electrode 63, and spray point 614 is provided with the discharge electrode 62, described The both ends of discharge electrode 62 are connected with discharge electrode support 610 and discharge electrode fixed mount 611 respectively, and the discharge electrode support 610, which is located at, to be put The top of electrode 62, the discharge electrode fixed mount 611 are located at the bottom of discharge electrode 62.
The course of work of the present invention:
500t/d domestic waste incinerations 1, exhaust gas volumn 14~15 × 104m3/ h, the temperature in the burner hearth of incinerator 1 are 850 DEG C ~1100 DEG C, SO2800~1500mg/Nm of concentration3, HCL 800~1200mg/Nm of concentration3, NOx concentration 600~ 900mg/Nm3, 20~30g/Nm of dust concentration3, the oxygen content 8%~12% of flue gas, the water capacity 15%~25% of flue gas;
The flue gas of incinerator 1 enters sack cleaner 2 by the suction function of blower fan 3, and the ash-laden gas of incinerator 1 is played and removed The effect of dirt, prevent dust from entering SCR reactors 4 and producing blocking, by the flue gas of incinerator 1 of sack cleaner 2 by blower fan 3 Effect enters SCR reactors 4;
Liquefied ammonia is transported to liquid ammonia storage tank by tank car, and the liquefied ammonia of output becomes ammonia after ammonia gasifier 5, is passed to ammonia Dashpot 9 is standby;Ammonia in ammonia dashpot 9 is sent into ammonia/air mixer 8 after decompression, with from dilution ammonia After the air mixing of blower fan 7, into SCR reactors 4, chemically react, NOx is by the reduction of selectivity:
4NH3+4NO+O2→4N2+6H2O
8NH3+6NO2→7N2+12H2O
NOx is reduced to N in SCR reactors 42And water;
Wet electrical dust precipitator 6 is entered by the effect of blower fan 3 by the flue gas of incinerator 1 of SCR reactors 4, flue gas from it is lower to Upper to enter wet electrical dust precipitator 6, by carrying out high voltage supply to discharge electrode 62, discharge electrode 62 in each channel produces electric discharge Electric field channel is formed, makes the gas by electric field channel powered and is moved in the presence of electric field force to dust collecting electrode 63, it is final heavy Product reaches the effect to fine particle and aerosol removing in dust collecting electrode 63;Distinguished by the upper and lower in dust collecting electrode 63 Top cleaning device 68, bottom cleaning device 64 are set, water membrane is formed on the face of dust collecting electrode 63 powered dust is carried out only Change is gathered dust, and the moisture film continuously flowed is brought the dust of collection into bottom tank 66 simultaneously and discharged, and can greatly improve wet type electricity and remove The efficiency of dust collection of dirt device 6, finally, the gas by dust separation are discharged from gas outlet 67;Flue gas passes through wet electrical dust precipitator 6 It is 99~99.99% to fine particle and aerosol removal efficiency.

Claims (1)

1. a kind of incinerator smoke denitrification apparatus, including it is incinerator, sack cleaner, blower fan, SCR reactors, ammonia gasifier, wet Formula electric cleaner, it is characterised in that:The incinerator connects sack cleaner, blower fan, SCR reactors, ammonia by pipeline Device, wet electrical dust precipitator, the SCR reactors centre are provided with catalyst layer, SCR reactors top and ammonia/air mixer Connection, ammonia/air mixer are connected with dilution ammonia blower fan all the way, and another way connects with the outlet of ammonia dashpot, the ammonia Gasifier, including air-bathing gasifier, water bath type gasifier, regulator, the air-bathing gasifier are symmetrical including two groups Gasification unit, feed tube, escape pipe, connecting tube, frame, each gasification unit are fixed in frame, and every group of gasification unit lower end connects Connect a feed liquor branch pipe, feed liquor branch pipe is connected to feed tube, every group of gasification unit fin heat exchange pipe totally six row, often the row pair of row 12 Claim composition, the first fin heat exchange pipe and the second fin heat exchange pipe lower end connect a feed liquor branch pipe, the first fin heat exchange pipe side Set gradually the second fin heat exchange pipe, the 3rd fin heat exchange pipe, the 4th fin heat exchange pipe, the 5th fin heat exchange pipe, the 6th fin Heat exchanger tube, the 7th fin heat exchange pipe, the 8th fin heat exchange pipe, the 9th fin heat exchange pipe, the tenth fin heat exchange pipe, the 11st fin Heat exchanger tube, the 12nd fin heat exchange pipe, the first fin heat exchange pipe, the second fin heat exchange pipe, the 3rd fin heat exchange pipe, the 4th fin Heat exchanger tube be 8 fins of band heat exchanger tube, the 5th fin heat exchange pipe, the 6th fin heat exchange pipe, the 7th fin heat exchange pipe, the 8th wing Piece heat exchanger tube, the 9th fin heat exchange pipe, the tenth fin heat exchange pipe, the 11st fin heat exchange pipe, the 12nd fin heat exchange pipe are band The heat exchanger tube of 12 fins, the first fin heat exchange pipe upper end are connected by connecting tube with the 3rd fin heat exchange pipe upper end, the 3rd wing Piece heat exchanger tube lower end is connected by connecting tube with the 5th fin heat exchange pipe lower end, the 5th fin heat exchange pipe upper end by connecting tube with 7th fin heat exchange pipe upper end is connected, and the 7th fin heat exchange pipe lower end is connected by connecting tube with the 9th fin heat exchange pipe lower end, 9th fin heat exchange pipe upper end is connected by connecting tube with the 11st fin heat exchange pipe upper end, and the second fin heat exchange pipe upper end passes through Connecting tube is connected with the 4th fin heat exchange pipe upper end, and the 4th fin heat exchange pipe lower end passes through under connecting tube and the 6th fin heat exchange pipe End connection, the 6th fin heat exchange pipe upper end is connected by connecting tube with the 8th fin heat exchange pipe upper end, under the 8th fin heat exchange pipe End is connected by connecting tube with the tenth fin heat exchange pipe lower end, and the tenth fin heat exchange pipe upper end passes through connecting tube and the 12nd fin Heat exchanger tube upper end connects, and the 11st fin heat exchange pipe lower end and the 12nd fin heat exchange pipe lower end connect a going out gas branch pipe, go out Gas branch pipe is connected to escape pipe, and the escape pipe connects two pipelines arranged side by side, and first pipeline enters including water bath type gasifier Mouth ball valve, water bath type gasifier, water bath type gasifier vent ball valve, the water bath type gasifier, including the heat exchange of cylinder, coiled Pipe, water bath type gasifier feed tube and water bath type gasifier escape pipe, bottom is provided with electric heater, cylinder left side lower end in cylinder Provided with water bath type gasifier feed tube, upper end is provided with water bath type gasifier escape pipe on the right side of cylinder, and four groups of coiled heat exchanger tubes are equal It is even to be arranged in cylinder, upper cover is installed at the top of cylinder, cylinder body bottom is provided with low head, and low head is flat underside, and second Bar pipeline includes bypass ball valve, and two pipelines are included by two after converging by pipeline connection regulator, the regulator Pressure regulation pipeline arranged side by side, each pressure regulation pipeline include filter, pressure regulator, and the filter sequence connects pressure regulator, two Pressure regulation pipeline is linked in sequence flowmeter inlet ball valve, flowmeter, flowmeter outlet ball valve, gas outlet after converging by pipeline, is gone out Gas port is connected with ammonia dashpot import, and SCR reactors exhanst gas outlet is connected by the air inlet of pipeline and wet electrical dust precipitator, The wet electrical dust precipitator, including high-tension electricity feedway, it is internal be cavity housing, be provided with air inlet, outlet on housing Mouth, tank, tank are located at housing bottom, dust collecting electrode, discharge electrode, top cleaning device, bottom cleaning device are provided with housing, Air inlet is located at lower housing portion, and gas outlet is located at case top, and top cleaning device is arranged on the top of dust collecting electrode, bottom cleaning Device is arranged on the lower section of dust collecting electrode, top cleaning device, bottom cleaning device by pipeline connecting valve, water pump, by The upper and lower of dust collecting electrode sets top cleaning device, bottom cleaning device respectively, can greatly improve removing for wet electrical dust precipitator Dirt efficiency, the discharge electrode are suspended to the channel center of dust collecting electrode, and spray point, the discharge electrode two are provided with the discharge electrode End is connected with discharge electrode support and discharge electrode fixed mount respectively, and the discharge electrode support is located at discharge electrode top, the discharge electrode Fixed mount is located at discharge electrode bottom.
CN201710762751.0A 2017-08-21 2017-08-21 A kind of incinerator smoke denitrification apparatus Pending CN107362684A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710762751.0A CN107362684A (en) 2017-08-21 2017-08-21 A kind of incinerator smoke denitrification apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710762751.0A CN107362684A (en) 2017-08-21 2017-08-21 A kind of incinerator smoke denitrification apparatus

Publications (1)

Publication Number Publication Date
CN107362684A true CN107362684A (en) 2017-11-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710762751.0A Pending CN107362684A (en) 2017-08-21 2017-08-21 A kind of incinerator smoke denitrification apparatus

Country Status (1)

Country Link
CN (1) CN107362684A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111992002A (en) * 2020-09-08 2020-11-27 广州梵智产品设计有限公司 Plastic refuse burns gaseous purifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111992002A (en) * 2020-09-08 2020-11-27 广州梵智产品设计有限公司 Plastic refuse burns gaseous purifier

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Application publication date: 20171121