CN112282898A - Integrative reaction unit of air cooling denitration - Google Patents
Integrative reaction unit of air cooling denitration Download PDFInfo
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- CN112282898A CN112282898A CN202011279444.5A CN202011279444A CN112282898A CN 112282898 A CN112282898 A CN 112282898A CN 202011279444 A CN202011279444 A CN 202011279444A CN 112282898 A CN112282898 A CN 112282898A
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- air
- cooling
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- temperature
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- 238000001816 cooling Methods 0.000 title claims abstract description 90
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 28
- 230000003197 catalytic effect Effects 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims description 17
- 239000000919 ceramic Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 11
- 239000004202 carbamide Substances 0.000 claims description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 8
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004523 catalytic cracking Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 41
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000007405 data analysis Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 229910052878 cordierite Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 2
- 239000010433 feldspar Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/05—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of air, e.g. by mixing exhaust with air
- F01N3/055—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of air, e.g. by mixing exhaust with air without contact between air and exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention relates to the technical field of tail gas treatment, in particular to an air-cooling and denitration integrated reaction device which comprises an air-cooling device, a connecting pipe assembly and a denitration device, wherein the denitration device comprises a box body, a white carrier and a catalytic module, the white carrier is arranged in the box body and is positioned at one side close to an air inlet end of the box body, and the catalytic module is arranged in the box body and is positioned at one side close to an air outlet end of the box body; the air cooling device comprises a shell, a cooling mechanism, a rain shelter and a condensate water collector, wherein the cooling mechanism is arranged in the shell, the condensate water collector is arranged below the shell, and the rain shelter is arranged above the shell; the air cooling device is communicated with the inlet end of the connecting pipe assembly, and the outlet end of the connecting pipe assembly is communicated with the denitration device. The device can simultaneously solve the problems of tail gas cooling and denitration, enables the temperature to reach the appropriate temperature suitable for the catalyst, can save space compared with other devices, and effectively solves the problems of equipment use, installation space and the like.
Description
Technical Field
The invention relates to the technical field of tail gas treatment, in particular to an air cooling, cooling and denitration integrated reaction device.
Background
All can produce high temperature tail gas when equipment such as generator, engine moves, its temperature can reach more than 600 degrees, and the tradition generally just discharges out behind the silencer, and tail gas temperature this moment still has about 400 degrees, and the potential safety hazard after the discharge is very big, both probably broke the plant, also can destroy the property, then can cause the bodily injury accident if touch the human body. Therefore, various methods are researched to reduce the temperature of the finally discharged tail gas as much as possible, but the exhaust pipe of the existing diesel engine adopts a double-layer pipeline, the exhaust pipe is treated by a method of adding a layer of water jacket, and then the temperature is reduced by a cooling purification water tank. Because the mode heat exchange rate of the water jacket is low, the cooling purification water tank is given to main cooling pressure to lead to cooling purification water tank bulky, processing and installation are all difficult, and this type of heat sink is because structural design is conventional, and the cooling structure can not make steam and cold air fully, contact the mixture for a long time, leads to the cooling effect not good, is difficult to realize falling the tail gas temperature below 100 degrees usually.
In addition, many exhaust gas treatment products are produced in the domestic market for exhaust gas treatment, and particularly, many products are produced for treating exhaust gas of internal combustion engines. The denitration of internal-combustion engine tail gas generally adopts the mode of chemical reaction, in the time of chemical reaction, just must have suitable reaction temperature, but the temperature of the tail gas of general internal-combustion engine emission is all higher, can exceed the suitable temperature that the catalyst takes place chemical reaction, not only reduce the life of product, still can consume a large amount of costs of labor simultaneously, the cost of tail gas treatment has been increased, secondly, tail gas gets into in the denitrification facility and directly contacts with the catalytic layer, lead to the catalytic layer to take place the reaction partially, local inefficacy after long-term the use, lead to can not taking off tail gas.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the air cooling, cooling and denitration integrated reaction device, which can simultaneously cool the tail gas of the internal combustion engine to enable the temperature to reach the appropriate temperature suitable for the catalyst, can save space compared with other devices, is more suitable for being used in different projects, and effectively solves the problems of equipment use, installation space and the like.
The purpose of the invention is realized by the following technical scheme: an air cooling, cooling and denitration integrated reaction device comprises an air cooling and cooling device, a connecting pipe assembly and a denitration device, wherein the denitration device comprises a box body, a white carrier and a catalytic module, the white carrier is arranged in the box body and is positioned at one side close to an air inlet end of the box body, the catalytic module is arranged in the box body, and the catalytic module is positioned at one side close to an air outlet end of the box body; more preferably, the white carrier is a ceramic carrier mainly prepared from one of orthotalc, clay, alumina or feldspar and cordierite as a main crystal phase;
the air cooling and cooling device comprises a shell, a cooling mechanism, a rain shelter and a condensate water collector, wherein the cooling mechanism is arranged in the shell, the condensate water collector is arranged below the shell, and the rain shelter is arranged above the shell; the outlet end of the air cooling device is communicated with the inlet end of the connecting pipe assembly, and the outlet end of the connecting pipe assembly is communicated with the inlet end of the denitration device.
Preferably, the connecting pipe subassembly includes threaded connection pipe and test tube section, threaded connection pipe's one end with air cooling heat sink intercommunication, threaded connection pipe's the other end with test tube section's one end intercommunication, test tube section's the other end with denitrification facility intercommunication, test tube section's up end is equipped with pressure sensor, nitrogen oxygen sensor, flowmeter, temperature sensor and the urea spray gun that runs through the pipe wall, nitrogen oxygen sensor, urea spray gun, flowmeter, pressure sensor and temperature sensor set up along the air current trend direction in proper order.
Preferably, the box includes first air inlet expansion section, case main part and first exhaust port expansion section, first air inlet expansion section with the inlet end of case main part is connected, first exhaust port expansion section with the end of giving vent to anger of case main part is connected.
Preferably, a module fixing frame and a plurality of fixed chutes are arranged in the box main body, the fixed chutes are located at one side close to the first air inlet expansion section, the module fixing frame is located at one side of the fixed chutes, the white carrier sleeves the fixed chutes, and the catalytic module is fixedly arranged in the module fixing frame.
Preferably, the cooling mechanism comprises a pipeline fixing frame, a group of fixed screen plates and a plurality of corrugated pipes, wherein a plurality of through holes are formed in the fixed screen plates, the fixed screen plates are symmetrically arranged at two ends of the pipeline fixing frame about the central point of the pipeline fixing frame, the corrugated pipes are arranged in the pipeline fixing frame, and two ends of the corrugated pipes are fixed in the through holes of the screen plates.
Preferably, the shell comprises a second air inlet expanding section, a shell main body and a second air outlet expanding section, the second air inlet expanding section is arranged at the air inlet end of the shell main body, the second air outlet expanding section is arranged at the air outlet end of the shell main body, and the condensed water collector is arranged below the shell main body; more preferably, the housing further comprises a plurality of cover plates, and the cover plates are detachably arranged on the outer side wall of the housing main body.
Preferably, one side of the module fixing frame in the box main body is also provided with a standby fixing frame, and the standby fixing frame is positioned on one side close to the first exhaust port expansion section.
Preferably, the joint of the second air inlet expanding section and the shell main body and the joint of the second air outlet expanding section and the shell main body are both provided with sealing rings.
Preferably, the inside of case main part still is equipped with ceramic fiber net, the module mount is located to the ceramic fiber net clamp, just ceramic fiber net is located one side of first exhaust port expansion section.
Preferably, the catalyst module supports a catalyst thereon.
The invention has the beneficial effects that: the air cooling and cooling device and the denitration device are integrally arranged to form the air cooling and denitration integrated reaction device, so that the problem of cooling the tail gas of the internal combustion engine to enable the temperature to reach the appropriate temperature suitable for the catalyst can be solved, and meanwhile, compared with other devices, the integrated reaction device can save space, is more suitable for being used in different projects, and effectively solves the problems of equipment use, installation space and the like; and wherein, air cooling heat sink simple structure, cooling body design is unique, the form of accessible reposition of redundant personnel realizes the multitube cooling, utilize the bellows pipe to show to have increased tail gas and cold air segmentation cooling many times, and after dropping tail gas to adaptation catalyst temperature through the regulation and control of connecting tube subassembly, through the initial impurity particle desorption such as siloxane of white carrier in the denitrification facility in to the tail gas, tail gas flows to the catalysis mould again, can keep away the tail gas that contains siloxane and lead to the local emergence of catalysis mould to react when catalysis module, improve the quality of coming off sale, the effect of use is better for traditional mode.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of a denitration apparatus of the present invention;
FIG. 3 is a schematic view showing an exploded structure of a denitration apparatus according to the present invention;
FIG. 4 is an exploded view of another perspective of the denitration apparatus according to the present invention;
FIG. 5 is an exploded view of a denitration apparatus according to the present invention;
FIG. 6 is a perspective view of the air-cooled heat sink of the present invention;
FIG. 7 is a perspective view of another perspective of the air-cooled heat sink of the present invention;
FIG. 8 is a first exploded view of the air-cooled heat sink of the present invention;
FIG. 9 is a second exploded schematic view of the air-cooled heat sink of the present invention;
FIG. 10 is a schematic view of the cooling mechanism of the present invention;
FIG. 11 is a schematic structural view of a test tube segment according to the present invention.
The reference signs are: 1-air cooling device, 11-shell, 111-second air inlet expanding pipe section, 112-shell main body, 113-second air outlet expanding pipe section, 114-cover plate, 12-cooling mechanism, 121-pipeline fixing frame, 122-fixing screen plate, 1221-through hole, 123-corrugated pipe, 13-rain shelter, 14-condensed water collector, 2-connecting pipe assembly, 21-threaded connecting pipe, 22-testing pipe section, 221-pressure sensor, 222-nitrogen-oxygen sensor, 223-flowmeter, 224-temperature sensor, 225-urea spray gun, 3-denitration device, 31-box body, 311-first air inlet expanding section, 312-box main body, 3121-module fixing frame, 3122-fixing chute, 3123-spare fixing frame, 3124-ceramic fiber web, 313-first exhaust port expansion section, 32-white support, and 33-catalytic module.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1-11, which are not intended to limit the present invention.
Referring to fig. 1-11, an air-cooling, cooling and denitration integrated reaction device comprises an air-cooling, cooling device 1, a connecting pipe assembly 2 and a denitration device 3, wherein the denitration device 3 comprises a box body 31, a white carrier 32 and a catalytic module 33, the white carrier 32 is arranged in the box body 31, the white carrier 32 is positioned at one side close to an air inlet end of the box body 31, the catalytic module 33 is arranged in the box body 31, the catalytic module 33 is positioned at one side close to an air outlet end of the box body 31, and a catalyst is loaded on the catalytic module 33;
the air-cooled temperature reduction device 1 comprises a shell 11, a cooling mechanism 12, a rain shelter 13 and a condensed water collector 14, wherein the cooling mechanism 12 is arranged in the shell 11, the condensed water collector 14 is arranged below the shell 11, and the rain shelter 13 is arranged above the shell 11; the outlet end of the air cooling device 1 is communicated with the inlet end of the connecting pipe assembly 2, and the outlet end of the connecting pipe assembly 2 is communicated with the inlet end of the denitration device 3.
In the embodiment, the air-cooled cooling device 1 and the denitration device 3 are integrally arranged to form the air-cooled cooling and denitration integrated reaction device, so that the problem of cooling the tail gas of the internal combustion engine to enable the temperature to reach the appropriate temperature suitable for the catalyst can be solved, and meanwhile, compared with other devices, the integrated reaction device can save space, is more suitable for being used in different projects, and effectively solves the problems of equipment use, installation space and the like; the air cooling device 1 is simple in structure, the cooling mechanism 12 is unique in design, multi-pipe cooling can be achieved through a shunting mode, segmented repeated cooling of tail gas and cold air is remarkably increased through the corrugated pipe 123, the tail gas is cooled to be adaptive to the temperature of a catalyst through regulation and control of the connecting pipe assembly 2, impurity particles such as siloxane in the tail gas are preliminarily removed through the white carrier 32 in the denitration device 3, the tail gas flows to the catalytic module, partial reaction of the catalytic module caused when the tail gas containing the siloxane passes through the catalytic module 33 can be avoided, the quality of denitration is improved through the catalyst loaded by the catalytic module 33, and the using effect is better than that of a traditional mode; the white carrier 32 is a ceramic carrier mainly made of one of raw talc, clay, alumina or feldspar and cordierite as a main crystal phase, and has the characteristics of pressure resistance, high temperature resistance, insulation and the like.
In this embodiment, the connection pipe assembly 2 includes a threaded connection pipe 21 and a test pipe section 22, one end of the threaded connection pipe 21 is communicated with the air-cooled cooling device 1, the other end of the threaded connection pipe 21 is communicated with one end of the test pipe section 22, the other end of the test pipe section 22 is communicated with the denitration device 3, the upper end surface of the test pipe section 22 is provided with a pressure sensor 221, a nitrogen-oxygen sensor 222, a flow meter 223, a temperature sensor 224 and a urea spray gun 225, which penetrate through the pipe wall, and the nitrogen-oxygen sensor 222, the urea spray gun 225, the flow meter 223, the pressure sensor 221 and the temperature sensor 224 are sequentially arranged along the direction of the air flow.
In this embodiment, the threaded connection pipe 21 is provided at the outlet end of the air-cooled cooling device 1, so that the large particles can be attached to the tail gas discharged from the air-cooled cooling device 1 preliminarilySettling, then testing the temperature of the tail gas entering the denitration device 3 through the testing pipe section 22 by using the temperature sensor 224, converting the temperature into a current signal and outputting the current signal to the PLC for data analysis so as to obtain the temperature data of a system detection point, wherein the pressure sensor 221 can test the pressure of the air pressure discharged into the connecting pipe assembly 2 by the air cooling and cooling device 1, converting the pressure into a current signal of 4-20mA and outputting the current signal to the PLC for data analysis so as to obtain the air pressure data in the connecting pipe assembly 2, and the flow meter 223 detects the exhaust amount entering the connecting pipe assembly 2 so as to convert the current signal and output the current signal to the PLC for data analysis so as to obtain the flow data in the pipeline; the urea spray gun 225 atomizes and hydrolyzes urea output from the urea pump in the connection pipe assembly 2 and air supplied from an external air machine into NH3And thus with NO, NO in the system exhaust pipe2Carrying out a chemical reaction; after the specified temperature in the denitration system is reached, the nitrogen-oxygen sensor 222 is activated to detect nitrogen oxides and oxygen in the connecting pipe assembly 2, the nitrogen oxides and the oxygen are changed into 4-20mA current signals and are output to the PLC for data analysis, so that the concentration and the oxygen content of the nitrogen oxides are obtained, the device can be better regulated and controlled by utilizing the PLC for data analysis through the feedback of the components, and the working efficiency of the device is further improved.
In this embodiment, the box body 31 includes a first air inlet expansion section 311, a box main body 312 and a first exhaust port expansion section 313, the first air inlet expansion section 311 is connected to an air inlet end of the box main body 312, and the first exhaust port expansion section 313 is connected to an air outlet end of the box main body 312; the inside of the box main body 312 is provided with a module fixing frame 3121 and a plurality of fixing chutes 3122, the fixing chutes 3122 are located at a side close to the first air inlet expanding section 311, the module fixing frame 3121 is located at a side of the fixing chute 3122, the white carriers 32 are sleeved in the fixing chutes 3122, and the catalytic module 33 is fixedly disposed in the module fixing frame 3121.
Through set up module mount 3121 and fixed spout 3122 in case main part 312 in this embodiment, can set up white carrier 32 in fixed spout 3122 to and catalytic module 33 sets up in module mount 3121, the carrier mould of white carrier 32 is changed after being convenient for use for a long time and is washd, has promoted this denitrification facility 3's life and denitration efficiency.
In this embodiment, the cooling mechanism 12 includes a pipe fixing frame 121, a set of fixed screen plates 122 and a plurality of corrugated pipes 123, the fixed screen plates 122 are all provided with a plurality of through holes 1221, the fixed screen plates 122 are symmetrically disposed at two ends of the pipe fixing frame 121 about a central point of the pipe fixing frame 121, the corrugated pipes 123 are disposed in the pipe fixing frame 121, and two ends of the corrugated pipes 123 are fixed in the through holes 1221 of the screen plates.
In the embodiment, the cooling mechanism 12 is uniquely designed, the tail gas enters the air cooling device 1 through the second gas inlet expanding section 111, is diffused through the second gas inlet expanding section 111, and then enters the plurality of corrugated pipes 123 in a shunting manner, the corrugated pipes 123 are utilized to remarkably increase the gathering and discharging of the tail gas and the cold air through the second gas outlet expanding section 113 after being cooled for multiple times in a segmented manner, the multi-pipe cooling is realized, and the good cooling effect can be realized; the fixed screen 122 of the cooling mechanism 12 can well fix the corrugated pipes 123 in the pipe fixing frame 121 in order and uniformly to form the cooling mechanism 12.
In this embodiment, the housing 11 includes a second air inlet expanding section 111, a housing main body 112 and a second air outlet expanding section 113, the second air inlet expanding section 111 is disposed at an air inlet end of the housing main body 112, the second air outlet expanding section 113 is disposed at an air outlet end of the housing main body 112, and the condensed water collector 14 is disposed below the housing main body 112; more preferably, the housing 11 further includes a plurality of cover plates 114, and the cover plates 114 are detachably disposed on the outer side wall of the housing main body 112.
In this embodiment, the housing 11 is configured to be composed of a second air inlet expanding section 111, a housing main body 112 and a second air outlet expanding section 113, wherein the second air inlet expanding section 111 facilitates uniform dispersion and input of tail gas exhausted from the internal heat engine into the housing main body 112, after being cooled by the cooling mechanism 12, the tail gas is collected, exhausted and conveyed to the denitration device 3 through the second air outlet expanding section 113, and the detachable cover plate 114 is disposed on the outer side wall of the cooling mechanism 12, thereby facilitating opening and observing the working condition of the cooling mechanism 12 at any time, and facilitating detachment and maintenance; and the condensate collector 14 facilitates collection of water droplets that cool down the cooling mechanism 12.
In this embodiment, a spare fixing frame 3123 is further disposed at one side of the module fixing frame 3121 in the box main body 312, and the spare fixing frame 3123 is located at one side close to the first exhaust opening expanding section 313.
The spare fixing frame 3123 is arranged in the embodiment, so that the catalytic module 33 is added or the original catalytic module 33 is replaced according to the denitration condition.
In this embodiment, the joint between the second gas inlet expanding section 111 and the shell main body 112 and the joint between the second gas outlet expanding section 113 and the shell main body 112 are both provided with a sealing ring.
In this embodiment, the joint between the second air inlet expansion pipe section 111 and the shell main body 112 and the joint between the second air outlet expansion pipe section 113 and the shell main body 112 are both provided with a sealing ring, so that the air tightness of the air cooling device 1 can be remarkably improved, and the influence on the cooling efficiency of the tail gas due to the leakage of part of the tail gas can be avoided.
In this embodiment, a ceramic fiber mesh 3124 is further disposed inside the box main body 312, the ceramic fiber mesh 3124 is clamped to the module fixing frame 3121, and the ceramic fiber mesh 3124 is located on one side of the first exhaust port expansion section 313.
In this embodiment, the ceramic fiber mesh 3124 is added to cooperate with the catalytic module 33 to perform a good catalytic purification effect on NOx in the exhaust gas, so that the exhaust gas can be subjected to multilayer purification treatment.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides an integrative reaction unit of air cooling denitration which characterized in that: the denitration device comprises a box body, a white carrier and a catalytic module, wherein the white carrier is arranged in the box body and is positioned at one side close to an air inlet end of the box body, the catalytic module is arranged in the box body, and the catalytic module is positioned at one side close to an air outlet end of the box body;
the air cooling and cooling device comprises a shell, a cooling mechanism, a rain shelter and a condensate water collector, wherein the cooling mechanism is arranged in the shell, the condensate water collector is arranged below the shell, and the rain shelter is arranged above the shell; the outlet end of the air cooling device is communicated with the inlet end of the connecting pipe assembly, and the outlet end of the connecting pipe assembly is communicated with the inlet end of the denitration device.
2. The air-cooling, temperature-reducing and denitration integrated reaction device as claimed in claim 1, wherein: the connecting pipe subassembly includes threaded connection pipe and test tube section, threaded connection pipe's one end with air cooling heat sink intercommunication, threaded connection pipe's the other end with the one end intercommunication of test tube section, the other end of test tube section with the denitrification facility intercommunication, the up end of test tube section is equipped with pressure sensor, nitrogen oxygen sensor, flowmeter, temperature sensor and the urea spray gun that runs through the pipe wall, nitrogen oxygen sensor, urea spray gun, flowmeter, pressure sensor and temperature sensor set up along the air current trend direction in proper order.
3. The air-cooling, temperature-reducing and denitration integrated reaction device as claimed in claim 1, wherein: the box includes first air inlet expansion section, case main part and first exhaust port expansion section, first air inlet expansion section with the inlet end of case main part is connected, first exhaust port expansion section with the end connection of giving vent to anger of case main part.
4. The air-cooling, temperature-reducing and denitration integrated reaction device as claimed in claim 3, wherein: the catalytic cracking device is characterized in that a module fixing frame and a plurality of fixed sliding grooves are arranged in the box main body, the fixed sliding grooves are located at one side close to the first air inlet expansion section, the module fixing frame is located at one side of the fixed sliding grooves, the white carrier sleeve is arranged in the fixed sliding grooves, and the catalytic module is fixedly arranged in the module fixing frame.
5. The air-cooling, temperature-reducing and denitration integrated reaction device as claimed in claim 1, wherein: the cooling mechanism comprises a pipeline fixing frame, a group of fixed screen plates and a plurality of corrugated pipes, wherein a plurality of through holes are formed in the fixed screen plates, the fixed screen plates are symmetrically arranged at two ends of the pipeline fixing frame about the central point of the pipeline fixing frame, the corrugated pipes are arranged in the pipeline fixing frame, and two ends of the corrugated pipes are fixed in the through holes of the screen plates.
6. The air-cooling, temperature-reducing and denitration integrated reaction device as claimed in claim 1, wherein: the shell comprises a second air inlet expanding section, a shell main body and a second air outlet expanding section, the second air inlet expanding section is arranged at the air inlet end of the shell main body, the second air outlet expanding section is arranged at the air outlet end of the shell main body, and the condensed water collector is arranged below the shell main body.
7. The air-cooling, temperature-reducing and denitration integrated reaction device as claimed in claim 4, wherein: one side of the module fixing frame in the box main body is also provided with a standby fixing frame which is positioned at one side close to the first exhaust port expansion section.
8. The air-cooling, temperature-reducing and denitration integrated reaction device as claimed in claim 6, wherein: and sealing rings are arranged at the joint of the second air inlet expanding section and the shell main body and the joint of the second air outlet expanding section and the shell main body.
9. The air-cooling, temperature-reducing and denitration integrated reaction device as claimed in claim 4, wherein: the inside of case main part still is equipped with ceramic fiber net, the module mount is located to the ceramic fiber net clamp, just ceramic fiber net is located one side of first exhaust port expansion section.
10. The air-cooling, temperature-reducing and denitration integrated reaction device as claimed in claim 1, wherein: the catalyst module is loaded with a catalyst.
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Address after: 523000 Room 102, building 1, No. 7, Xinzhu Road, Songshanhu Park, Dongguan City, Guangdong Province Applicant after: Lvlian purification technology (Dongguan) Co.,Ltd. Address before: 523808 room 206, unit 1, building 1, No.1, Nanshan Road, Songshanhu Park, Dongguan City, Guangdong Province Applicant before: Lvlian purification technology (Dongguan) Co.,Ltd. |