CN113432132B - Waste gas treatment system - Google Patents

Waste gas treatment system Download PDF

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Publication number
CN113432132B
CN113432132B CN202110752757.6A CN202110752757A CN113432132B CN 113432132 B CN113432132 B CN 113432132B CN 202110752757 A CN202110752757 A CN 202110752757A CN 113432132 B CN113432132 B CN 113432132B
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China
Prior art keywords
pipe
furnace
air inlet
waste gas
inner cavity
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CN202110752757.6A
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CN113432132A (en
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许俊杰
周松仁
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Hangzhou Fuyang Fuchun Coating&decorating Co ltd
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Hangzhou Fuyang Fuchun Coating&decorating Co ltd
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Publication of CN113432132A publication Critical patent/CN113432132A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/061Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
    • F23G7/065Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
    • F23G7/066Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/07Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00Waste heat recuperation
    • F23G2206/10Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying

Abstract

The invention discloses a waste gas treatment system which comprises an outer furnace, wherein the outer furnace is arranged in a hollow manner, a hollow inner furnace is arranged in an inner cavity of the outer furnace, a gas diffusion pipe with two open ends is arranged in the inner cavity of the inner furnace, an adjusting mechanism for adjusting waste gas to enter the inner cavity of the outer furnace or the inner cavity of the inner furnace is arranged at the bottom of the outer furnace, the adjusting mechanism is connected with the gas diffusion pipe, a burner is arranged in the inner cavity of the inner furnace, the burner is provided with a gas supply pipe, the gas supply pipe extends to the outside of the outer furnace, the inner furnace is provided with a gas exhaust pipe, one end of the gas exhaust pipe extends to the outside of the outer furnace, and the gas exhaust pipe is provided with a circulating mechanism for enabling waste gas preheated by the outer furnace to enter the inner cavity of the inner furnace. The invention has the effect of improving the waste gas treatment efficiency by preheating the waste gas.

Description

Waste gas treatment system
Technical Field
The invention relates to the field of waste gas treatment, in particular to a waste gas treatment system.
Background
In the industrial production process, especially in the in-process of spraying, solidification, printing, the volatilization of solvent can produce waste gas VOCs (volatile organic compounds) in the coating, and waste gas can cause the pollution to the environment, consequently, the burning furnace that generally uses carries out catalytic treatment work to waste gas, reduces the pollution of waste gas to the environment.
After the waste gas enters the incinerator, the burner is opened to incinerate the waste gas in the incinerator, and the waste gas is decomposed into harmless gas at high temperature and then discharged out of the incinerator.
Disclosure of Invention
In order to improve exhaust gas catalytic incineration treatment efficiency, the application provides an exhaust treatment system.
The application provides a waste gas treatment system adopts following technical scheme:
the utility model provides a waste gas treatment system, includes outer stove, outer stove is the cavity setting, outer stove inner chamber is provided with and is hollow interior stove, interior stove inner chamber is provided with both ends and is the open-ended trachea that looses, outer bottom of the furnace portion is provided with and is used for adjusting the adjustment mechanism that waste gas got into outer stove inner chamber or interior stove inner chamber, adjustment mechanism connects in the trachea that looses, interior stove inner chamber is provided with the combustor, the combustor is provided with and is used for the air supply pipe to its transport fuel, the air supply pipe extends to outer stove outside, interior stove is provided with the blast pipe, the one end of blast pipe extends to outer stove outside, the blast pipe is provided with the circulation mechanism that is used for getting into interior stove inner chamber with the waste gas after outer stove preheats.
Through adopting above-mentioned technical scheme, adjustment mechanism pours into the interior stove inner chamber with waste gas earlier, the air supply pipe carries fuel to the combustor, the combustor carries out catalytic incineration to waste gas, in-process at catalysis can produce the heat, make whole interior stove temperature rise, later adjustment mechanism pours into waste gas into to outer stove inner chamber in, interior stove is with temperature transfer to outer stove inner chamber in, thereby make full use of heat can preheat waste gas in advance, later waste gas after preheating passes through circulation mechanism reentrant interior stove inner chamber and carries out catalytic incineration, get up heat cyclic utilization, the efficiency of waste gas treatment is improved.
Optionally, adjustment mechanism is including the fixed intake pipe of wearing to locate outer stove bottom, the intake pipe is cavity, the one end of intake pipe stretches out outer stove outside and is the opening setting, the other end of intake pipe is located outer stove inner chamber and fixed connection in interior stove bottom, the intake pipe is located the one end of outer stove inner chamber and has seted up the air inlet, the air inlet sets up with the trachea intercommunication that looses, the intake pipe lateral wall has been seted up and has been preheated the mouth, preheat the mouth and be located outer stove inner chamber, the intake pipe inner chamber is provided with and is used for making waste gas from preheating the conversion subassembly that mouthful or air inlet flowed, the conversion subassembly can be closed in preheating mouthful or air inlet.
Through adopting above-mentioned technical scheme, when need earlier with waste gas injection interior stove in, earlier through adjusting conversion subassembly, make conversion subassembly closure in preheating the mouth, thereby waste gas gets into in the gas pipe from the air inlet, and enter into to interior stove inner chamber along the gas pipe that looses, the air supply pipe carries the fuel catalyst to the combustor, make waste gas and catalyst catalysis burn waste gas, handle waste gas, make interior stove produce heat, later adjustable conversion subassembly, make conversion subassembly closure in the air inlet, follow-up waste gas gets into in the outer stove inner chamber from preheating the mouth, the heat that utilizes interior stove to produce preheats waste gas, thereby waste gas after preheating passes through circulation mechanism and gets into in the interior stove again and handles, and then catalytic time has been shortened.
Optionally, the intake pipe is cylindric setting, the conversion subassembly is including rotating the pivot of connecting in intake pipe inner chamber one end, pivot and the coaxial setting of intake pipe, the intake pipe inner chamber is worn to be equipped with the cross-section and is the semicircular closing piece, closing piece and the coaxial fixed connection of pivot, the closing piece closes in the air inlet or preheats the mouth, the air inlet with preheat the different sides that the mouth is located the intake pipe, work as the closing piece closes in the air inlet, preheats mouth and closing piece dislocation separation, work as the closing piece is closed in preheating the mouth, air inlet and closing piece dislocation separation.
Through adopting above-mentioned technical scheme, when needs waste gas gets into interior stove, rotate the closing piece to one side that the intake pipe set up preheating opening, make closing piece closed in preheating the opening, and air inlet and closing piece dislocation separation, make waste gas flow to interior stove from the air inlet after getting into the intake pipe, when the catalytic combustion takes place for interior stove, interior stove temperature risees, thereby transmit heat energy to outer stove inner chamber in, later usable this heat energy preheats waste gas in advance, thereby rotatable closing piece, make closing piece and preheating opening dislocation separation, closing piece is closed in the air inlet simultaneously, make waste gas preheat in getting into outer stove inner chamber, later get into interior stove catalytic combustion from circulation mechanism, shorten the catalytic treatment time.
Optionally, circulation mechanism is including seting up the annular in the blast pipe outer wall, the annular is located outer stove inner chamber, the circulation groove has been seted up along its axial to the blast pipe lateral wall, the one end and the annular intercommunication of circulation groove, the other end and the interior stove inner chamber intercommunication of circulation groove.
Through adopting above-mentioned technical scheme, preheated waste gas can follow the annular from the circulation inslot of entering, along circulation inslot entering interior stove carries out catalytic reaction.
Optionally, the gas pipe that looses includes the outer tube of fixed connection in the inner furnace inner wall, the inner tube is worn to be equipped with by the outer tube inner chamber, a plurality of scattered gas grooves have been seted up along its axial to the inner tube, and is a plurality of scattered gas groove sets up along inner tube circumference range, the gas groove both ends that loose are the opening setting, just the one end and the air inlet intercommunication setting in scattered gas groove.
Through adopting above-mentioned technical scheme, waste gas gets into to the gas groove of loosing through the air inlet after, distributes in interior stove inner chamber along a plurality of gas grooves of loosing, has divided into a plurality of parts with waste gas, makes waste gas and catalyst fully contact for the mixing of waste gas and catalyst, thereby accelerate the catalysis, shorten the treatment time.
Optionally, the inner tube rotates to penetrate through an inner cavity of the outer tube, the inner wall of the inner furnace is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a first gear, the upper end of the inner tube extends out of the outer tube and is fixedly connected with a second gear, and the second gear is meshed with the first gear.
Through adopting above-mentioned technical scheme, the first gear of motor drive makes first gear drive second gear rotation, and the inner tube rotates, and waste gas flies out from the gas tank that looses, makes waste gas can spread in the interior stove, improves the even degree that waste gas burnt, and the time that extension waste gas burnt in the interior stove makes waste gas and catalyst intensive mixing.
Optionally, a plurality of grooves of dispersing have been seted up to the outer tube lateral wall, and is a plurality of the groove of dispersing is arranged along outer tube circumference and is set up, it runs through the setting with the outer both sides lateral wall in the outer tube to disperse the groove.
Through adopting above-mentioned technical scheme, through setting up the groove of dispersing, make waste gas after getting into the gas groove that disperses, the inner tube rotates, makes partial waste gas distribute out from dispersing the groove intermittent type to promote waste gas diffusion in the stove.
Optionally, the inner wall of the outer furnace is provided with a heater.
Through adopting above-mentioned technical scheme, through setting up the heater to improve outer stove temperature, make waste gas preheat the effect better, electric heater's heat transfer to interior stove lateral wall simultaneously, thereby help improving the temperature of interior stove inner chamber, make heat energy cyclic utilization, the energy can be saved.
In summary, the present application includes at least one of the following beneficial technical effects:
adjusting mechanism pours into waste gas into the interior stove inner chamber earlier, the air supply pipe carries fuel to the combustor, the combustor carries out catalytic incineration to waste gas, can produce the heat at catalyzed in-process, make whole interior stove temperature rise, later adjusting mechanism pours into waste gas into outer stove inner chamber into, interior stove is with temperature transfer to outer stove inner chamber in, thereby make full use of heat can preheat waste gas in advance, later exhaust gas after preheating carries out catalytic incineration through circulation mechanism reentrant interior stove inner chamber, get up heat cyclic utilization, the efficiency of exhaust gas treatment is improved.
The motor drives the first gear to enable the first gear to drive the second gear to rotate, the inner pipe rotates, and the waste gas flies out from the gas dispersing groove, so that the waste gas can be diffused in the inner furnace, the uniformity of waste gas incineration is improved, the incineration time of the waste gas in the inner furnace is prolonged, and the waste gas and the catalyst are fully mixed.
Through setting up the heater to improve outer stove temperature, make waste gas preheat the effect better, electric heater's heat transfer is to interior stove lateral wall simultaneously, thereby helps improving the temperature of interior stove inner chamber, makes heat energy cyclic utilization, the energy can be saved.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
FIG. 2 is a schematic view showing the structure of the inside of the inner furnace in the example of the present application.
Fig. 3 is an exploded view of the diffuser tube in the embodiment of the present application.
Fig. 4 is an exploded view of the air inlet tube and the closing die in the embodiment of the present application.
Description of reference numerals:
1. a processing mechanism; 2. a preheating mechanism; 3. an adjustment mechanism; 4. a flow-through mechanism; 11. an inner furnace; 12. an air diffusing pipe; 13. a burner; 14. a gas supply pipe; 15. an exhaust pipe; 121. an outer tube; 122. an inner tube; 123. a circular ring; 124. a circular groove; 125. a gas dispersing groove; 126. a diverging slot; 127. a motor; 128. a first gear; 129. a second gear; 21. an outer furnace; 22. a heater; 31. an air inlet pipe; 32. an air inlet; 33. preheating a port; 34. a conversion component; 341. a rotating shaft; 342. a closing block; 41. a ring groove; 42. and (4) a circulating groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses an exhaust-gas treatment system. Referring to fig. 1, a waste gas treatment system includes processing mechanism 1, preheat mechanism 2, adjustment mechanism 3 and circulation mechanism 4, adjustment mechanism 3 adjusts waste gas and carries out catalytic incineration in getting into processing mechanism 1, and processing mechanism 1 is because of taking place catalytic incineration, make processing mechanism 1 temperature rise, the heat energy of processing mechanism 1 can be transmitted to preheating mechanism 2 in, adjustment mechanism 3 can preheat in getting into preheating mechanism 2 with follow-up waste gas this moment, waste gas after preheating gets into processing mechanism 1 from circulation mechanism 4 and carries out catalytic incineration processing, thereby with heat cyclic utilization, shorten catalytic treatment time, and then improve the treatment effeciency.
Referring to fig. 1, the processing means 1 includes an inner furnace 11, a diffuser pipe 12, a burner 13, and an exhaust pipe 15. Interior stove 11 is hollow cylinder setting, and interior stove 11 is vertical setting, and air diffusing pipe 12 sets up in 11 inner chamber bottoms of interior stove, and adjustment mechanism 3 upper end is fixed in interior stove 11 lower surface and communicates with air diffusing pipe 12. The burner 13 is disposed in the inner cavity of the inner furnace 11, and the burner 13 is connected with a gas supply pipe 14 for supplying fuel thereto, and the gas supply pipe 14 is composed of a fuel pipe and a combustion air pipe. The exhaust pipe 15 is fixed with the upper end of the inner furnace 11 and communicated with the upper end of the inner furnace, the exhaust pipe 15 is vertically arranged, and the circulation mechanism 4 is arranged on the exhaust pipe 15.
Referring to fig. 2 and 3, the diffuser pipe 12 includes the outer tube 121 that is fixed in the inner wall of the lower surface of the inner furnace 11 through the flange, the outer tube 121 is vertical, and the inner cavity of the outer tube 121 rotates to penetrate and is provided with the inner tube 122 that is vertical, the outer wall welding sleeve of the inner tube 122 is provided with the circular ring 123, the inner wall of the outer tube 121 is provided with the circular groove 124 along the circumferential direction for the circular ring 123 to slide, so that the inner tube 122 can rotate around the axis direction of the inner tube 121. The inner tube 122 is provided with a plurality of air dispersing grooves 125 along the axial direction, the air dispersing grooves 125 are arranged along the circumferential direction of the inner tube 122 at equal intervals, the upper end and the lower end of each air dispersing groove 125 are provided with openings, and the lower ends of the air dispersing grooves 125 are communicated with the upper end of the adjusting mechanism 3.
Referring to fig. 2 and 3, a plurality of diverging slots 126 are formed in the sidewall of the outer tube 121 along the longitudinal direction, the plurality of diverging slots 126 are arranged along the outer tube 121 at equal intervals along the circumferential direction, and the width of the diverging slots 126 is the same as the width of the air diffusing slots 125. The diverging slots 126 are disposed to penetrate the inner and outer sidewalls of the outer tube 121. A motor 127 is fixed on the inner wall of the inner furnace 11, a first gear 128 is welded on an output shaft of the motor 127, the upper end of the inner tube 122 extends out of the upper end of the outer tube 121, a second gear 129 is arranged on the upper end of the inner tube in a welding manner, and the second gear 129 is meshed with the first gear 128.
Referring to fig. 1, the preheating mechanism 2 includes a hollow cylindrical outer furnace 21, the outer furnace 21 is vertically arranged, the inner furnace 11 is arranged in an inner cavity of the outer furnace 21, the adjusting mechanism 3 is fixedly arranged at the lower end of the outer furnace 21 in a penetrating manner, and the lower end of the adjusting mechanism 3 extends out of the lower surface of the outer furnace 21. The end of the feed tube 14 facing away from the burner 13 extends outside the outer furnace 21. The upper end of the exhaust pipe 15 extends to the outside of the outer furnace 21. The heater 22 is fixedly arranged on the inner wall of the outer furnace 21.
Referring to fig. 1 and 4, the adjusting mechanism 3 includes the intake pipe 31 that the welding wears to locate the outer stove 21 bottom, and intake pipe 31 is vertical setting, and intake pipe 31 is hollow cylinder and sets up, and the intake pipe 31 lower extreme stretches out the outside and be the opening setting of outer stove 21, and the intake pipe 31 upper end is arranged in the outer stove 21 inner chamber and welds in the 11 lower surfaces of interior stove, and intake pipe 31 aligns with the air diffuser 12. The upper surface of the air inlet pipe 31 is longitudinally provided with an air inlet 32, the air inlet 32 is aligned with and communicated with the lower end of any air dispersing groove 125, and the lower surface of the inner pipe 122 is higher than the lower surface of the outer pipe 121, so that a space for diffusing the waste gas into each air dispersing groove 125 is reserved between the lower surface of the inner pipe 122 and the lower surface of the inner furnace 11. The side wall of the air inlet pipe 31 is transversely provided with a preheating opening 33, and the preheating opening 33 is positioned in the inner cavity of the outer furnace 21. The inner cavity of the air inlet pipe 31 is provided with a conversion assembly 34.
Referring to fig. 4, the conversion assembly 34 includes a rotating shaft 341 rotatably connected to the inner wall of the upper surface of the air inlet pipe 31 through a bearing, the rotating shaft 341 is vertically disposed, an inner cavity of the air inlet pipe 31 is provided with a vertical closing block 342 in a penetrating manner, and the cross section of the closing block 342 is in a semicircular shape. The upper surface of the closing block 342 is welded to the lower end of the rotating shaft 341, and the air inlet pipe 31, the rotating shaft 341 and the closing block 342 are coaxially disposed. The side wall of the closing block 342 is attached to the inner wall of the air inlet pipe 31, so that the closing block 342 can be closed to the air inlet 32 or the preheating opening 33, and meanwhile, the air inlet 32 and the preheating opening 33 are located on different sides of the air inlet pipe 31, so that the upper surface of the closing block 342 is closed to the air inlet 32, the closing block 342 is separated from the preheating opening 33 in a staggered mode, waste gas can enter the inner cavity of the outer furnace 21 from the preheating opening 33, when the closing block 342 is rotated, so that the side wall of the closing block 342 is closed to the preheating opening 33, the upper surface of the closing block 342 is separated from the air inlet 32 in a staggered mode, and waste gas can enter the inner cavity of the inner furnace 11 from the air inlet 32.
Referring to fig. 1, the circulation mechanism 4 includes ring grooves 41 transversely opened on the outer walls of the two sides of the exhaust pipe 15, the cross section of the ring groove 41 is arc-shaped, and the ring groove 41 is located in the inner cavity of the outer furnace 21. The side wall of the exhaust pipe 15 is provided with a circulation groove 42 along the axial direction, the upper end of the circulation groove 42 is communicated with the ring groove 41, and the lower end of the circulation groove 42 is communicated with the inner cavity of the inner furnace 11, so that preheated exhaust gas enters the inner cavity of the inner furnace 11 along the ring groove 41 and the circulation groove 42.
The implementation principle of the embodiment of the application is as follows: when the waste gas needs to be treated, the closing block 342 is rotated to close the closing block 342 at the preheating opening 33, so that the waste gas enters the air dispersing grooves 125 from the air inlet 32 after being injected from the air inlet pipe 31, and is dispersed to each air dispersing groove 125, the motor 127 is turned on at the same time, the motor 127 drives the first gear 128 to rotate, the second gear 129 drives the inner pipe 122 to rotate around the axis direction thereof, so that the waste gas is sprayed out from the air dispersing grooves 125 in a rotating manner to accelerate the mixing of the waste gas and the catalyst released by the burner 13, meanwhile, when the inner pipe 122 rotates, the dispersing grooves 126 are communicated and aligned with the air dispersing grooves 125 at intervals, so that part of the waste gas is sprayed out from the dispersing grooves 126 intermittently to push the waste gas to diffuse, the air supply pipe 14 supplies fuel and combustion air to the burner 13, so that the waste gas is fully burned, the temperature of the inner cavity of the inner furnace 11 is increased, and then the temperature of the inner cavity of the outer furnace 21 is gradually increased, at this time, the closing block 342 can be rotated to close the closing block 342 on the air inlet 32, so that the waste gas enters the inner cavity of the outer furnace 21 from the preheating opening 33, the heat emitted by the inner furnace 11 is utilized to preheat the waste gas added later, and the preheated waste gas enters the inner cavity of the inner furnace 11 from the annular groove 41 and the circulation groove 42, thereby shortening the catalysis time, saving the fuel, recycling the heat and improving the catalysis efficiency.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An exhaust treatment system, characterized by: comprises an outer furnace (21), the outer furnace (21) is arranged in a hollow way, an inner furnace (11) which is arranged in the hollow way is arranged in the inner cavity of the outer furnace (21), an air diffusing pipe (12) with two open ends is arranged in the inner cavity of the inner furnace (11), an adjusting mechanism (3) for adjusting waste gas to enter the inner cavity of the outer furnace (21) or the inner cavity of the inner furnace (11) is arranged at the bottom of the outer furnace (21), the adjusting mechanism (3) is connected with the air dispersing pipe (12), the inner cavity of the inner furnace (11) is provided with a burner (13), the burner (13) is provided with a feed pipe (14) for feeding fuel thereto, the gas supply pipe (14) extends to the outside of the outer furnace (21), the inner furnace (11) is provided with a gas exhaust pipe (15), one end of the exhaust pipe (15) extends to the outside of the outer furnace (21), and the exhaust pipe (15) is provided with a circulating mechanism (4) for enabling waste gas after the preheating of the outer furnace (21) to enter the inner cavity of the inner furnace (11).
2. An exhaust treatment system according to claim 1, wherein: the adjusting mechanism (3) comprises an air inlet pipe (31) fixedly arranged at the bottom of the outer furnace (21) in a penetrating way, the air inlet pipe (31) is hollow, one end of the air inlet pipe (31) extends out of the outer furnace (21) and is arranged in an opening way, the other end of the air inlet pipe (31) is positioned in the inner cavity of the outer furnace (21) and is fixedly connected with the bottom of the inner furnace (11), an air inlet (32) is arranged at one end of the air inlet pipe (31) positioned in the inner cavity of the outer furnace (21), the air inlet (32) is communicated with the air dispersing pipe (12), the side wall of the air inlet pipe (31) is provided with a preheating opening (33), the preheating opening (33) is positioned in the inner cavity of the outer furnace (21), the inner cavity of the air inlet pipe (31) is provided with a conversion component (34) for enabling waste gas to flow out from the preheating opening (33) or the air inlet (32), the switching assembly (34) can be closed to the preheating opening (33) or the gas inlet opening (32).
3. An exhaust treatment system according to claim 2, wherein: intake pipe (31) are cylindric setting, conversion subassembly (34) are including rotating pivot (341) of connecting in intake pipe (31) inner chamber one end, pivot (341) and intake pipe (31) coaxial setting, intake pipe (31) inner chamber is worn to be equipped with cross-section semicircular closing piece (342), closing piece (342) and pivot (341) coaxial fixed connection, closing piece (342) are closed in air inlet (32) or preheat mouthful (33), air inlet (32) and preheating mouthful (33) are located the different sides of intake pipe (31), work as closing piece (342) are closed when air inlet (32), preheat mouthful (33) and closing piece (342) dislocation separation, work as closing piece (342) are closed when preheating mouthful (33), air inlet (32) and closing piece (342) dislocation separation.
4. An exhaust treatment system according to claim 1, wherein: circulation mechanism (4) are including offering annular (41) in blast pipe (15) outer wall, annular (41) are located outer stove (21) inner chamber, circulation groove (42) have been seted up along its axial to blast pipe (15) lateral wall, the one end and annular (41) the intercommunication of circulation groove (42), the other end and interior stove (11) inner chamber intercommunication of circulation groove (42).
5. An exhaust treatment system according to claim 2, wherein: the air dispersing pipe (12) comprises an outer pipe (121) fixedly connected to the inner wall of the inner furnace (11), an inner pipe (122) is arranged in the inner cavity of the outer pipe (121) in a penetrating mode, a plurality of air dispersing grooves (125) are formed in the inner pipe (122) in the axial direction and are arranged in the circumferential direction of the inner pipe (122), the two ends of each air dispersing groove (125) are arranged in an opening mode, and one end of each air dispersing groove (125) is communicated with the air inlet (32).
6. An exhaust treatment system according to claim 5, wherein: the inner tube (122) is rotatably arranged in the inner cavity of the outer tube (121) in a penetrating mode, the inner wall of the inner furnace (11) is fixedly connected with a motor (127), an output shaft of the motor (127) is fixedly connected with a first gear (128), the upper end of the inner tube (122) extends out of the outer tube (121) and is fixedly connected with a second gear (129), and the second gear (129) is meshed with the first gear (128).
7. An exhaust treatment system according to claim 5, wherein: a plurality of grooves (126) of dispersing are seted up to outer tube (121) lateral wall, and a plurality of it sets up to disperse groove (126) along outer tube (121) circumference range, it runs through the setting with the inside and outside both sides lateral wall of outer tube (121) to disperse groove (126).
8. An exhaust treatment system according to claim 1, wherein: the inner wall of the outer furnace (21) is provided with a heater (22).
CN202110752757.6A 2021-07-02 2021-07-02 Waste gas treatment system Active CN113432132B (en)

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CN113432132B true CN113432132B (en) 2022-05-03

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