CN210772237U

CN210772237U - VOC exhaust-gas treatment fires burning furnace

Info

Publication number: CN210772237U
Application number: CN201921634784.8U
Authority: CN
Inventors: 李忠; 李艳辉; 黄信华; 李耀辉; 周勇; 张合正
Original assignee: Jiangxi Jeff Environmental Protection Technology Co ltd
Current assignee: Jiangxi Jeff Environmental Protection Technology Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-16
Anticipated expiration: 2029-09-29

Abstract

The utility model provides a VOC waste gas treatment combustion furnace, which relates to the waste gas treatment field, and comprises a supporting device, wherein a first combustion chamber is arranged on one side of the top surface of the supporting device, a second combustion chamber is arranged on the other side of the top surface of the supporting device, and a communicating device is connected between the first combustion chamber and the second combustion chamber through screw threads, in the utility model, a pressure relief device is arranged, when the pressure is too high, the gas which needs to be combusted in the combustion furnace can not be sufficiently combusted, so that the emission standard can not be reached, the pressure relief valve can be opened when the pressure is higher than a set value, so that the air pressure in the combustion furnace is stable, the insufficient combustion caused by the too high pressure can not be caused, the first combustion chamber and the second combustion chamber are arranged, the first combustion chamber adopts a high-temperature combustion method to treat the gas, the gas in the second combustion chamber comes from the first combustion chamber due to overpressure discharge and after the, and carrying out further catalytic high-temperature treatment in a second combustion chamber.

Description

VOC exhaust-gas treatment fires burning furnace

Technical Field

The utility model relates to a waste gas treatment technical field especially relates to a VOC exhaust-gas treatment fires burning furnace.

Background

With the development of economy in recent years, the industries such as various chemical industries, coatings, furniture, toys, electronics, spraying and the like are developed rapidly, and meanwhile, a large amount of industrial organic waste gas is discharged into the atmosphere, so that the quality of the atmospheric environment is seriously affected, and meanwhile, the harm is brought to the human health. At present, the technologies for treating organic waste gas are more, and an activated carbon adsorption method, a combustion method, an absorption method, a plasma method and the like are commonly used, and each treatment method has certain applicability and respective limitations.

At present, the mainstream waste gas and liquid treatment technology at home and abroad mainly adopts high-temperature incineration, harmful substances such as residual organic matters, H2S, NH3 and the like in the waste gas and liquid are oxidized into CO2, H2O, SO2, NO2 and the like, and the waste gas and liquid are discharged after meeting the national environmental protection requirements through processes such as desulfurization, reduction, alkali washing and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a VOC waste gas treatment combustion furnace.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the VOC waste gas treatment combustion furnace comprises a supporting device, wherein a first combustion chamber is installed on one side of the top surface of the supporting device, a second combustion chamber is installed on the other side of the top surface of the supporting device, and a communication device is connected between the first combustion chamber and the second combustion chamber in a threaded mode.

Preferably, the supporting device comprises a base, and a control electronic box is welded on the top surface of the base.

Preferably, the first combustion chamber comprises a first furnace body, the top surface of the first furnace body is in threaded connection with a first furnace body cover, one side of the outer surface of the first furnace body is in threaded connection with a spark plug support, a spark plug is installed at the bottom end of the spark plug support, a gas pipe is welded to the other side of the outer surface of the first furnace body, and a gas inlet pipe is welded to the other side of the outer surface of the first furnace body.

Preferably, the second combustion chamber comprises a second furnace body, the top surface of the second furnace body is in threaded connection with a second furnace body cover, the bayonet on one side of the bottom of the second furnace body is connected with a heating wire support, a heating wire is fixed on the top surface of the heating wire support, an air outlet pipe is welded on the surface of the other side of the bottom of the second furnace body, and the bayonet on one side of the outer surface of the second furnace body is connected with a catalyst support.

Preferably, the top surface flange of the first furnace body cover is connected with a pressure release valve, the top surface flange of the pressure release valve is connected with a pressure release pipe, the other end of the pressure release pipe is connected with the second furnace body cover through a flange, one side surface flange of the first furnace body is connected with an exhaust valve, one end surface flange of the exhaust valve is connected with an exhaust pipe, and the other end of the exhaust pipe is connected with one side surface of the second furnace body through a flange.

Preferably, the spark plug support is in threaded connection with the outer surface of the first furnace body through trapezoidal threads, and an included angle between the spark plug support and the first furnace body is 45.

Preferably, the surface of the heating wire is subjected to anti-oxidation treatment, the diameter of the heating wire is 4mm, and the thickness of the flat belt is 3 mm.

Preferably, the inner cavity surfaces of the first furnace body and the second furnace body are both subjected to polishing treatment, and the surface roughness Ra0.63-0.01 μm.

Advantageous effects

1. The utility model discloses in, set up pressure relief device, gas can produce other high temperature high-pressure gas products when burning, and burning furnace among the prior art often is an inclosed environment, and when pressure was too high, the unable abundant burning of gas that need carry out the burning in the burning furnace will cause and can not reach emission standard, and the relief valve can be opened when pressure is higher than the setting value for atmospheric pressure in the burning furnace is stable, can not cause the burning inadequately because of pressure is too high.

2. The utility model discloses in, set up first combustion chamber and second combustion chamber, first combustion chamber adopts the high temperature combustion method to handle gas, and the gas of second combustion chamber comes from in the first combustion chamber because of the superpressure discharges with after the combustion processing, does further catalysis high temperature treatment at the second combustion chamber, can make gas treatment more thorough after the substep is handled, reaches the emission requirement.

Drawings

Fig. 1 is a schematic perspective view of a VOC exhaust gas treatment combustion furnace according to the present invention;

fig. 2 is a rear view of a VOC exhaust gas treatment burner according to the present invention;

FIG. 3 is a schematic view of the internal structure of the first combustion chamber in the VOC waste gas treatment combustion furnace of the present invention;

fig. 4 is the schematic view of the internal structure of the second combustion chamber in the VOC exhaust-gas treatment burner.

Illustration of the drawings:

1. a support device; 11. a base; 12. controlling an electric box; 2. A first combustion chamber; 21. a spark plug holder; 22. a spark plug; 23. a gas pipe; 24. an air inlet pipe; 25. a first furnace body; 26. A first furnace body cover; 3. a second combustion chamber; 31. an air outlet pipe; 32. a second furnace body; 33. a second furnace body cover; 34. a heater bracket; 35. a heater; 36. A catalyst support; 4. A communication device; 41. a pressure relief valve; 42. a pressure relief pipe; 43. an exhaust valve; 44. and (4) exhausting the gas.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Referring to fig. 1-4, a VOC exhaust gas treatment combustion furnace, includes a supporting device 1, the supporting device 1 includes a base 11, a control electric box 12 is welded on the top surface of the base 11, the base 11 provides stable support for work, the base 11 is made of high temperature resistant material to prevent high temperature generated by work from damaging the base 11, a first combustion chamber 2 is installed on one side of the top surface of the supporting device 1, the first combustion chamber 2 includes a first furnace body 25, a first furnace body cover 26 is screwed on the top surface of the first furnace body 25, a spark plug support 21 is screwed on one side of the outer surface of the first furnace body 25, a spark plug 22 is installed at the bottom end of the spark plug support 21, a pipe 23 is welded on the other side of the outer surface of the first furnace body 25, an air inlet pipe 24 is welded on the other side of the outer surface of the first furnace body 25, the spark plug support 21 is screwed, the spark plug 22 is a consumable, the threaded connection is convenient to detach, the sealing performance is good, the replacement and maintenance are convenient, the second combustion chamber 3 is installed on the other side of the top surface of the supporting device 1, the second combustion chamber 3 comprises a second furnace body 32, the top surface of the second furnace body 32 is in threaded connection with a second furnace body cover 33, the surface of one side of the bottom of the second furnace body 32 is in bayonet connection with a heating wire support 34, a heating wire 35 is fixed on the surface of the top of the heating wire support 34, an air outlet pipe 31 is welded on the surface of the other side of the bottom of the second furnace body 32, a catalyst support 36 is in bayonet connection with one side of the outer surface of the second furnace body 32, the catalyst support 36 and the heating wire support 34 are both in bayonet design, the bayonet design is favorable for detachment, a catalyst placed in the catalyst support 36 can adopt a noble metal catalyst or a non-noble metal catalyst, so that different working requirements can be met, the top surface flange of first furnace body lid 26 is connected with relief valve 41, the top surface flange of relief valve 41 is connected with pressure release pipe 42, and another end flange joint of pressure release pipe 42 is in second furnace body lid 33, a side surface flange joint of first furnace body 25 has discharge valve 43, the one end surface flange joint of discharge valve 43 has blast pipe 44, and another end flange joint of blast pipe 44 is in a side surface of second furnace body 32, relief valve 41 can open the pressure release when pressure exceeds the setting value, the stability of atmospheric pressure and abundant of burning have been guaranteed.

The spark plug support 21 is trapezoidal thread with the outside surface threaded connection of first furnace body 25, and the contained angle between spark plug support 21 and the first furnace body 25 is 45, 45 contained angles make spark plug 22 just to gas pipe 23, can be better to coming in gas ignition, the surface of heater 35 is through anti-oxidant processing, and the diameter of heater 35 is 4mm, the bandlet thickness is 3mm, the heater 35 of this specification can be difficult for taking place the deformation in high temperature environment, and life is longer, the inner chamber surface of first furnace body 25 and second furnace body 32 all is through polishing treatment, and surface roughness Ra0.63-0.01 mu m, polishing treatment makes the surface more smooth, the pollutant is difficult for remaining, and service life has been prolonged.

The utility model discloses a theory of operation: the waste gas to be treated is led into the first furnace body 25 through the gas inlet pipe 24, meanwhile, mixed gas of oxygen and fuel gas is led into the first furnace body 25 through the fuel gas pipe 23, then an operating switch is opened on the control electric box 12, the spark plug 22 can be ignited to generate sparks at the moment, the gas in the first furnace body 25 is ignited, the gas can be combusted in the first furnace body 25, if the pressure generated after the combustion is overlarge, the pressure release valve 41 can be opened, certain gas is discharged, the pressure release valve 41 can be closed after the gas pressure is stable, the discharged gas enters the second furnace body 32 through the pressure release pipe 42, the gas is led into the second furnace body 32 through the exhaust valve 43 and the exhaust pipe 44 after the gas is combusted in the first furnace body 25, the gas is heated through the catalyst catalysis and the heating wire 35 after entering the second furnace body 32, the gas outlet pipe 31 is opened after the secondary treatment, and the gas is discharged.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A VOC exhaust gas treatment burner comprising a support device (1), characterized in that: the combustion chamber is characterized in that a first combustion chamber (2) is installed on one side of the top surface of the supporting device (1), a second combustion chamber (3) is installed on the other side of the top surface of the supporting device (1), and a communication device (4) is connected between the first combustion chamber (2) and the second combustion chamber in a threaded mode.

2. The VOC exhaust treatment burner of claim 1, wherein: the supporting device (1) comprises a base (11), and a control electronic box (12) is welded on the surface of the top of the base (11).

3. The VOC exhaust treatment burner of claim 1, wherein: first combustion chamber (2) include first furnace body (25), the top surface threaded connection of first furnace body (25) has first furnace body lid (26), the outside surface one side threaded connection of first furnace body (25) has spark plug support (21), spark plug (22) are installed to the bottom of spark plug support (21), the outside surface opposite side welding of first furnace body (25) has gas pipe (23), the outside surface opposite side welding of first furnace body (25) has intake pipe (24).

4. The VOC exhaust treatment burner of claim 1, wherein: the second combustion chamber (3) comprises a second furnace body (32), the top surface of the second furnace body (32) is in threaded connection with a second furnace body cover (33), the bayonet on one side of the bottom of the second furnace body (32) is connected with a heating wire support (34), the top surface of the heating wire support (34) is fixed with a heating wire (35), the other side of the bottom of the second furnace body (32) is welded with an air outlet pipe (31), and the bayonet on one side of the outer surface of the second furnace body (32) is connected with a catalyst support (36).

5. A VOC exhaust gas treatment burner according to claim 3, wherein: the top surface flange of first furnace body lid (26) is connected with relief valve (41), the top surface flange of relief valve (41) is connected with pressure release pipe (42), just the other end flange joint of pressure release pipe (42) is in second furnace body lid (33), one side surface flange joint of first furnace body (25) has discharge valve (43), the one end surface flange joint of discharge valve (43) has blast pipe (44), just the other end flange joint of blast pipe (44) is in one side surface of second furnace body (32).

6. A VOC exhaust gas treatment burner according to claim 3, wherein: the spark plug support (21) is in threaded connection with the outer surface of the first furnace body (25) to form a trapezoidal thread, and an included angle between the spark plug support (21) and the first furnace body (25) is 45 degrees.

7. A VOC exhaust gas treatment burner as in claim 4 wherein: the surface of the heating wire (35) is subjected to anti-oxidation treatment, the diameter of the heating wire (35) is 4mm, and the thickness of the flat belt is 3 mm.

8. A VOC exhaust gas treatment burner according to claim 3, wherein: the inner cavity surfaces of the first furnace body (25) and the second furnace body (32) are both subjected to polishing treatment, and the surface roughness Ra0.63-0.01 mu m.