CN213334449U - Organic waste gas treatment device using natural gas as energy and aiming at steam maintenance industry - Google Patents
Organic waste gas treatment device using natural gas as energy and aiming at steam maintenance industry Download PDFInfo
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- CN213334449U CN213334449U CN202021847751.4U CN202021847751U CN213334449U CN 213334449 U CN213334449 U CN 213334449U CN 202021847751 U CN202021847751 U CN 202021847751U CN 213334449 U CN213334449 U CN 213334449U
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses an use natural gas as the energy to organic waste gas processing apparatus of trade is repaiied to vapour, which comprises a housin, waste gas import has been seted up to one side of casing, waste gas import passes through spark arrester and waste gas tank intercommunication, waste gas import other end intercommunication has the buffer chamber, the buffer chamber passes through baffle and preheating chamber intercommunication, install combustor and heat exchanger in the preheating chamber, the preheating chamber intercommunication has the heating chamber, the heating chamber intercommunication has catalytic reaction chamber, install the catalyst carrier in the catalytic reaction chamber, the catalyst carrier is fixed on electric heater, the catalyst carrier passes through tail gas outlet and air purifier intercommunication, the catalytic reaction chamber has the natural gas import through the fan intercommunication, the below intercommunication of fan has waste gas outlet.
Description
Technical Field
The utility model relates to a mechanical equipment technical field specifically is to the organic waste gas processing apparatus of trade is repaiied to vapour with the natural gas as the energy.
Background
Utilize gas formula CO catalytic combustion technique TO administer organic waste gas, see through the practical application effect of this technique, its effect is comparatively showing, direct combustion formula TO waste gas burns burning furnace. First, such furnaces are difficult to fire to 800 ℃ to 900 ℃. Second, the consumption of fuel increases significantly with increasing temperature. Some plants control the temperature of the furnace chamber below 760 ℃, which causes incomplete oxidative decomposition of organic substances, and are characterized in that: a thick deposit is deposited on the pipe wall of the heat exchanger of the incinerator; when the smoke is more serious, flaky black glue residues often float out of the smoke exhaust chimney; certain organic odors can be smelled in the surrounding area. Sampling at the fume stack, the content of certain organics may be exceeded. Therefore, although the direct-fired waste gas incinerator has the function of oxidizing and decomposing organic solvents, the exhaust emission of the incinerator can exceed the standard if the temperature of a hearth is lower, and therefore an organic waste gas treatment device which takes natural gas as energy and aims at the steam repair industry is proposed to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an use the organic waste gas processing apparatus to vapour industry of repairing of natural gas as the energy to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the organic waste gas treatment device comprises a shell, wherein a waste gas inlet is formed in one side of the shell, the waste gas inlet is communicated with a waste gas tank through a flame arrester, the other end of the waste gas inlet is communicated with a buffer chamber, the buffer chamber is communicated with a preheating chamber through a partition plate, a burner and a heat exchanger are installed in the preheating chamber, the preheating chamber is communicated with a heating chamber, the heating chamber is communicated with a catalytic reaction chamber, a catalyst carrier is installed in the catalytic reaction chamber, the catalyst carrier is fixed on an electric heater, the catalyst carrier is communicated with an air purifier through a tail gas outlet, the catalytic reaction chamber is communicated with a natural gas inlet through a fan, and a waste gas outlet is communicated with the lower part of the fan.
Preferably, the flame arrester comprises a first pipe orifice which is communicated with a flame-retardant cavity, and the flame-retardant cavity is communicated with a second pipe orifice.
Preferably, the heat exchanger structure adopts the cold-rolled steel sheet system, the heat exchanger includes first heat transfer board, first heat transfer board alternate connection has the second heat transfer board, connect through the connecting block between the first heat transfer board, connect through the connecting block between the second heat transfer board.
Preferably, an explosion-proof opening is formed above the heating chamber, and the catalytic reaction chamber is drawer-type.
Preferably, the side of the fan is provided with a pressure relief opening.
Preferably, the catalyst support is cordierite honeycomb ceramic.
Preferably, a valve is mounted on the exhaust gas outlet.
Compared with the prior art, the beneficial effects of the utility model are that:
fire arrestor
The danger between the equipment and the waste gas source is separated, the safety between the processing equipment and the production equipment is ensured, and meanwhile, the dust in the waste gas source is removed. The structure is a corrugated net type and is manufactured according to national standards; the replacement is quick and the cleaning is convenient. Is one of the security facilities in the device.
② heat exchanger
And the heat energy generated after the organic gas is decomposed and the cold airflow of the waste gas source are subjected to heat and cold exchange to replace the heat energy, so that the temperature of the waste gas source is increased. When the concentration of the waste gas reaches a certain value, the normal operation of the equipment under the condition of no operation power can be ensured under the action of the heat exchanger, and the device is a device for carrying out the first temperature rise on a waste gas source in a catalytic purification device and is also one of energy-saving facilities in the equipment; the efficiency of the heat exchanger is ensured to be over 60 percent by reasonably controlling the airflow in the heat exchanger. The structure adopts the cold-rolled steel sheet system, and reasonable arrangement makes the comprehensive contact of cold and hot air current carry out the energy replacement.
Thirdly preheating chamber
Before the exhaust gas source enters the catalytic combustion chamber, the temperature of the exhaust gas source is detected by a temperature detector to be incapable of achieving the condition of catalytic reaction, and the heating system arranged in the preheating chamber is used for carrying out secondary temperature increase; the heating element is a burner, and the maintenance and the replacement are very convenient.
Catalytic reaction chamber
The organic waste gas source reaching the temperature condition enters a catalytic reaction chamber; the catalytic reaction chamber adopts a drawer type, is filled with a catalyst, ensures that the temperature of the catalyst reaches the reaction temperature, decomposes partial organic matters, releases energy, and directly raises the temperature of waste gas, is a third temperature raising part designed by the equipment and is also called catalytic temperature raising; the organic gas with raised temperature enters a catalytic fixed bed, a honeycomb catalyst is arranged in the catalytic fixed bed, the organic gas meeting the reaction conditions is completely decomposed, and the waste gas is changed into clean gas. The facility is a heart of a catalytic purification device.
Catalyst
The VOCs catalytic combustion catalyst is prepared by adopting cordierite honeycomb ceramic as a carrier and precious metals of Pt, Pd and the like as main active components through a special process by a method of uniformly distributing the precious metals with a high dispersion law, and is a novel and efficient catalyst applied to organic waste gas purification.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is a schematic view of a flame arrestor of the present invention;
fig. 4 is a schematic structural diagram of the heat exchanger of the present invention.
In the figure: 1 waste gas jar, 2 spark arrester, 21 first mouth of pipe, 22 chamber of hindering fires, 23 second mouth of pipe, 24 waste gas import, 3 buffer chamber, 4 baffles, 5 preheating chambers, 51 combustor, 6 heat exchangers, 61 first heat transfer board, 62 second heat transfer board, 63 connecting blocks, 7 explosion-proof mouthful, 8 heating chambers, 9 fans, 10 natural gas import, 11 catalytic reaction room, 111 electric heater, 12 catalyst carriers, 13 tail gas outlet, 131 air purifier, 14 pressure release mouth, 15 waste gas outlet, 16 casings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the organic waste gas treatment device which takes natural gas as energy and aims at the steam maintenance industry comprises a shell 16, a waste gas inlet 24 is formed in one side of the shell 16, the waste gas inlet 24 is communicated with the waste gas tank 1 through a flame arrester 2, the other end of the waste gas inlet 24 is communicated with a buffer chamber 3, the buffer chamber 3 is communicated with a preheating chamber 5 through a partition plate 4, a burner 51 and a heat exchanger 6 are arranged in the preheating chamber 5, the preheating chamber 5 is communicated with a heating chamber 8, the heating chamber 8 is communicated with a catalytic reaction chamber 11, a catalyst carrier 12 is arranged in the catalytic reaction chamber 11, the catalyst carrier 12 is fixed on the electric heater 111, the catalyst carrier 12 is communicated with the air cleaner 131 through the exhaust gas outlet 13, the catalytic reaction chamber 11 is communicated with a natural gas inlet 10 through a fan 9, and a waste gas outlet 15 is communicated below the fan 9.
The flame arrester 2 comprises a first pipe orifice 21, the first pipe orifice 21 is communicated with a flame-retardant cavity 22, and the flame-retardant cavity 22 is communicated with a second pipe orifice 23.
Wherein, the structure of heat exchanger 6 adopts the cold-rolled steel sheet system, heat exchanger 6 includes first heat transfer board 61, first heat transfer board 61 alternate connection has second heat transfer board 62, connect through connecting block 63 between the first heat transfer board 61, connect through connecting block 63 between the second heat transfer board 62.
Wherein, explosion-proof mouth 7 is seted up to the top of heating chamber 8, catalytic reaction chamber 11 adopts the drawer type.
Wherein, the side of the fan 9 is provided with a pressure relief opening 14.
Wherein the catalyst carrier 12 is cordierite honeycomb ceramic.
Wherein a valve is mounted on the exhaust gas outlet 15.
The working principle is as follows: the utility model discloses, gas formula CO catalytic combustion is because the effect of catalyst, catalytic combustion method exhaust gas combustion's initial temperature is about 250-:
after the reaction is complete, carbon dioxide and water vapor generated in the reaction enter the air purifier 131 through the tail gas outlet 13 and then are discharged into the atmosphere without pollution, unreacted waste gas in the reaction chamber is discharged to the next processing position through the waste gas outlet 15, heat generated in the reaction process is conducted to the preheating chamber 5 through the heat exchanger 6 to preheat the waste gas, and the safety performance in use is effectively guaranteed through the effects of the explosion-proof opening 7 and the pressure relief opening 14.
Firstly, the equipment is started, and when the concentration of the organic waste gas is high, the temperature is raised to the ignition temperature within 15-30 minutes.
Secondly, safety and reliability: the equipment is provided with a fire-retardant dust-removing system, an explosion-proof pressure-relief system, an overtemperature alarm system and an advanced automatic control system.
Resistance is little, purification efficiency is high: adopts advanced noble metal palladium and platinum impregnated honeycomb ceramic catalyst.
Fourthly, the service life is long: the catalyst was replaced typically 8000 hours and the support was regenerable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Use organic waste gas processing apparatus to vapour industry of repairing of natural gas as energy, including casing (16), its characterized in that: a waste gas inlet (24) is formed in one side of the shell (16), the waste gas inlet (24) is communicated with a waste gas tank (1) through a flame arrester (2), the other end of the waste gas inlet (24) is communicated with a buffer chamber (3), the buffer chamber (3) is communicated with a preheating chamber (5) through a partition plate (4), a burner (51) and a heat exchanger (6) are installed in the preheating chamber (5), the preheating chamber (5) is communicated with a heating chamber (8), the heating chamber (8) is communicated with a catalytic reaction chamber (11), a catalyst carrier (12) is installed in the catalytic reaction chamber (11), the catalyst carrier (12) is fixed on an electric heater (111), the catalyst carrier (12) is communicated with an air purifier (131) through a tail gas outlet (13), and the catalytic reaction chamber (11) is communicated with a natural gas inlet (10) through a fan (9), and a waste gas outlet (15) is communicated below the fan (9).
2. The organic waste gas treatment device for the steam repair industry by taking natural gas as energy source according to claim 1, characterized in that: flame arrester (2) are including first mouth of pipe (21), first mouth of pipe (21) intercommunication has fire-retardant chamber (22), fire-retardant chamber (22) intercommunication has second mouth of pipe (23).
3. The organic waste gas treatment device for the steam repair industry by taking natural gas as energy source according to claim 1, characterized in that: the heat exchanger (6) structure adopts the cold-rolled steel sheet system, heat exchanger (6) include first heat transfer board (61), first heat transfer board (61) alternate connection has second heat transfer board (62), connect through connecting block (63) between first heat transfer board (61), connect through connecting block (63) between second heat transfer board (62).
4. The organic waste gas treatment device for the steam repair industry by taking natural gas as energy source according to claim 1, characterized in that: an explosion-proof opening (7) is formed above the heating chamber (8), and the catalytic reaction chamber (11) is drawer-type.
5. The organic waste gas treatment device for the steam repair industry by taking natural gas as energy source according to claim 1, characterized in that: and a pressure relief opening (14) is formed in the side edge of the fan (9).
6. The organic waste gas treatment device for the steam repair industry by taking natural gas as energy source according to claim 1, characterized in that: the catalyst carrier (12) is cordierite honeycomb ceramic.
7. The organic waste gas treatment device for the steam repair industry by taking natural gas as energy source according to claim 1, characterized in that: and a valve is arranged on the waste gas outlet (15).
Priority Applications (1)
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CN202021847751.4U CN213334449U (en) | 2020-08-28 | 2020-08-28 | Organic waste gas treatment device using natural gas as energy and aiming at steam maintenance industry |
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CN202021847751.4U CN213334449U (en) | 2020-08-28 | 2020-08-28 | Organic waste gas treatment device using natural gas as energy and aiming at steam maintenance industry |
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2020
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Inventor after: Zhuang Zhipeng Inventor after: Xu Mingxin Inventor after: Chen Zhihang Inventor after: Zhao Cheng Inventor after: Zhong Guichao Inventor before: Luo Hongyu Inventor before: Lei Yutao Inventor before: Chen Zhihang Inventor before: Zhao Cheng Inventor before: Zhong Guichao |