CN219283355U

CN219283355U - Waste gas catalytic combustion case

Info

Publication number: CN219283355U
Application number: CN202223111961.9U
Authority: CN
Inventors: 周建兵
Original assignee: Zhongrun Environmental Protection Technology Nantong Co ltd
Current assignee: Zhongrun Environmental Protection Technology Nantong Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-06-30
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses an exhaust gas catalytic combustion box, which comprises a combustion box, wherein a partition plate is fixedly connected between two sides of an inner cavity of the combustion box, one side of the top of the combustion box is communicated with a vent pipe, the top of the partition plate is fixedly connected with a fan, the air inlet end of the fan is communicated with an air inlet pipe, the air outlet end of the fan is communicated with an air outlet pipe, and one side of the bottom of the inner cavity of the combustion box is fixedly connected with a burner. This waste gas catalysis fires case, in entering the heating cabinet through the connecting pipe through the waste gas of reaction back high temperature, to the bent intraductal bent pipe heating of heating to make the intraductal waste gas of bent heat, thereby make the waste gas after the reaction heat the waste gas that newly adds, the temperature to the combustion case that can be fine is utilized, thereby need not heat exchanger preheat waste gas, fine to the resource recycle, improved the efficiency of waste gas combustion reaction.

Description

Waste gas catalytic combustion case

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to a waste gas catalytic combustion box.

Background

The waste gas treatment refers to the pretreatment of waste gas generated in industrial sites and factory workshops before external discharge so as to achieve the standard of external discharge of national waste gas, and generally comprises the aspects of organic waste gas treatment, dust waste gas treatment, acid-base waste gas treatment, peculiar smell waste gas treatment, air sterilization, disinfection, purification and the like.

The prior art chinese patent CN201920829903.9 discloses a container type catalytic combustion exhaust gas treatment machine, which comprises a housing, the rose box, catalytic bed and combustion chamber, the shell top is provided with the air vent, and the air vent lower extreme is connected with the rose box, and the rose box bottom is provided with first gas outlet, and the breathing pipe is installed to first gas outlet lower extreme, and the breathing pipe right-hand member is connected with the fan, and the fan upper end is provided with the outlet duct, and the lower part is provided with the combustion chamber in the shell, and the outlet duct right-hand member passes combustion chamber top right-hand member and gets into the combustion chamber. When the burner is used, the fan is started, waste gas is injected from the air vent, is sucked by the fan from the air suction pipe through the filter box, is discharged into the combustion chamber from the air outlet pipe, and is started, and flame is sprayed from the flame spraying port at the left end of the burner to burn the waste gas, so that the full reaction of the waste gas is facilitated; the waste gas after combustion enters the water tank through the connecting pipe, is discharged from the discharge port after being cooled by the cooling water, and is beneficial to preventing the overheated air from being discharged to burn the human body.

Although the above patent solves the problems of low efficiency, slow speed and insufficient treatment of the exhaust gas, before the catalytic combustion of the exhaust gas is performed in the catalytic combustion device, the organic exhaust gas needs to be preheated to 200-400 ℃ by a heat exchanger and then enters the combustion chamber to perform combustion reaction, so that the efficiency of the treatment of the exhaust gas is improved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an exhaust gas catalytic combustion box, which solves the problem that exhaust gas is not preheated.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an exhaust gas catalytic combustion case, includes the combustion case, the front of combustion case articulates first sealing door through the hinge, fixedly connected with division board between the both sides of combustion case inner chamber, one side intercommunication at combustion case top has the breather pipe, the top fixedly connected with fan of division board, the inlet end intercommunication of fan has the intake pipe, the end intercommunication of giving vent to anger of fan has the outlet duct, one side fixedly connected with combustor of combustion case inner chamber bottom, fixedly connected with catalytic bed between the bottom of combustion case inner chamber bottom and division board, one side fixedly connected with heating cabinet at division board top, the bottom intercommunication of breather pipe has the curved pipe, the one end of curved pipe runs through the outside of heating cabinet and extends to the heating cabinet, the one end intercommunication of curved pipe and the one end intercommunication of intake pipe, the bottom intercommunication of combustion case one side has the connecting pipe, the one end of connecting pipe runs through the inside of combustion case and heating cabinet and extends to the heating cabinet in proper order, one side intercommunication at heating cabinet top has the air duct.

Preferably, the top and the bottom of the heating box inner cavity are fixedly connected with a plurality of heat conducting fins, one side of the heat conducting fins away from the heating box penetrates through the curved pipe and extends to the inside of the curved pipe, and a plurality of vent holes are formed in one side of the heat conducting fins.

Preferably, the combustion box top one side fixedly connected with rose box, the front of rose box passes through hinge second sealing door, the equal fixedly connected with spacing of both sides of rose box inner chamber, two fixedly mounted has the filter between the opposite one side of spacing, the top intercommunication of rose box has the gas filler pipe.

Preferably, the bottom of the combustion box inner cavity and the bottom of the partition plate are fixedly connected with mounting frames matched with the catalytic bed.

Preferably, the opposite side fixedly connected with water tank at division board top, the top and the bottom of water tank one side are linked together respectively and are had water pipe and outlet pipe, and the one end of water pipe and the one end of outlet pipe run through the combustion case and extend to the outside of combustion case, the one end of air duct runs through the water tank and extends to the inside of water tank, the top intercommunication of water tank has the blast pipe, the top of blast pipe runs through the combustion case and extends to the outside of combustion case.

Preferably, a baffle plate is fixedly connected between the bottom of the inner cavity of the combustion box and the bottom of the partition plate and positioned at one side of the catalytic bed.

Advantageous effects

The utility model provides an exhaust gas catalytic combustion box. Compared with the prior art, the method has the following beneficial effects: according to the utility model, the exhaust gas is led to the lower part of the partition plate through the air inlet pipe on the fan, the exhaust gas can pass through the catalytic bed, flame sprayed out by the burner reacts on the exhaust gas in the catalytic bed, so that the temperature of the reacted exhaust gas is increased, the high-temperature exhaust gas enters the heating box through the connecting pipe and heats the curved pipe in the heating box, so that the exhaust gas in the curved pipe is heated, the newly added exhaust gas can be well heated by the reacted exhaust gas, the temperature in the combustion box can be well utilized, the heat exchanger is not needed to preheat the exhaust gas, resources are well recycled, and the efficiency of the combustion reaction of the exhaust gas is improved.

Drawings

FIG. 1 is a schematic view of the external structure of the present utility model;

FIG. 2 is a schematic view showing the internal structures of the combustion chamber, the heating chamber and the water tank of the present utility model;

FIG. 3 is a schematic view showing the internal structure of the heating box and curved tube of the present utility model;

fig. 4 is a left side view of the heat conductive sheet and vent structure of the present utility model.

In the figure: 1. a combustion box; 2. a partition plate; 3. a vent pipe; 4. a blower; 5. an air inlet pipe; 6. an air outlet pipe; 7. a burner; 8. a catalytic bed; 9. a heating box; 10. a curved tube; 11. a connecting pipe; 12. an air duct; 13. a heat conductive sheet; 14. a vent hole; 15. a filter box; 16. a limiting frame; 17. a filter plate; 18. a gas adding pipe; 19. a mounting frame; 20. a water tank; 21. an exhaust pipe; 22. and a baffle.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an exhaust gas catalytic combustion case, including combustion case 1, fixedly connected with division board 2 between the both sides of combustion case 1 inner chamber, one side intercommunication at combustion case 1 top has breather pipe 3, the top fixedly connected with fan 4 of division board 2, fan 4 and external power source electric connection, control through control switch, the inlet end intercommunication of fan 4 has intake pipe 5, the end intercommunication of giving vent to anger of fan 4 has outlet duct 6, one side fixedly connected with combustor 7 of combustion case 1 inner chamber bottom, combustor 7 and external power source electric connection, control through control switch, between combustion case 1 inner chamber bottom and the bottom of division board 2 and be located one side fixedly connected with baffle 22 of catalytic bed 8, the blowpipe on the combustor 7 runs through baffle 22 and extends to the outside of baffle 22, fixedly connected with catalytic bed 8 between combustion case 1 inner chamber bottom and the bottom of division board 2, add corresponding solid catalyst according to waste gas in the catalytic bed 8, the bottom of combustion case 1 inner chamber and the bottom of division board 2 all fixedly connected with and the mounting bracket 19 that catalytic bed 8 is fit, as detailed explanation, through opening first sealing door, can take out the filter plate 17 and take out one side fixedly connected with baffle 9 of heating case 10 to the inside pipe 10 of heating case 10, the inside pipe 10 and the connecting pipe 10, the inside of heating case 10 is connected with one side of heating case 10, the connecting pipe is connected with one side of heating case 10 in proper order, the inside pipe is connected with the heater pipe 9, the heater pipe is connected to the inside of heating case 9, the inside of the heater pipe is connected with the inside according to the bottom according to waste gas, the bottom is connected with the inside of the bottom, the bottom is 10, and the bottom is connected with the bottom, and the bottom is with the bottom is the bottom.

Further, in order to conveniently filter particles in waste gas, a filter box 15 is fixedly connected to one side of the top of the combustion box 1, limiting frames 16 are fixedly connected to two sides of an inner cavity of the filter box 15, a filter plate 17 is fixedly installed between one opposite sides of the two limiting frames 16, an air adding pipe 18 is communicated with the top of the filter box 15, and the filter plate 17 can be taken out and replaced by opening a second sealing door.

Further, in order to preheat the waste gas in the curved tube 10 better, the top and the bottom of the inner cavity of the heating box 9 are fixedly connected with a plurality of heat conducting fins 13, one side of the heat conducting fins 13 away from the heating box 9 penetrates through the curved tube 10 and extends to the inside of the curved tube 10, and a plurality of vent holes 14 are formed in one side of the heat conducting fins 13.

Further, in order to cool down the exhaust gas, prevent scalding the staff, the opposite side fixedly connected with water tank 20 at division board 2 top, the one end of air duct 12 runs through water tank 20 and extends to the inside of water tank 20, and the top of water tank 20 communicates there is blast pipe 21, and the top of blast pipe 21 runs through combustion case 1 and extends to the outside of combustion case 1.

When the device is used, exhaust gas is continuously introduced into the filter box 15 through the gas adding pipe 18, particles in the exhaust gas are filtered by the filter plate 17, the filtered exhaust gas enters the curved pipe 10 in the heating box 9 through the gas pipe 3, meanwhile, the control switch is started, the gas inlet pipe 5 on the fan 4 is used for exhausting air, the exhaust gas in the curved pipe 10 is discharged to the lower part of the partition plate 2 through the gas outlet pipe 6, flame is sprayed out by the burner 7, the flame sprayed out by the burner 7 can flush the exhaust gas leftwards, the exhaust gas enters the catalytic bed 8, the flame sprayed out by the burner 7 is burnt, the catalyst in the catalytic bed 8 reacts to the exhaust gas, the reacted high-temperature exhaust gas enters the heating box 9 through the connecting pipe 11, the high-temperature exhaust gas passes through the surface of the curved pipe 10 and is discharged from the gas guide pipe 12, the temperature of the exhaust gas can heat the curved pipe 10 and the heat conducting fin 13, the exhaust gas which is subsequently passed through the curved pipe 10 is heated up and preheated through the heat conducting fin 13, the exhaust gas discharged by the gas guide pipe 12 can enter the water tank 20, the water in the water tank 20 reacts, and the exhaust gas is cooled down after the reaction is discharged from the exhaust pipe 21.

Claims

1. An exhaust gas catalytic combustion box, comprising a combustion box (1), characterized in that: fixedly connected with division board (2) between the both sides of combustion chamber (1) inner chamber, one side intercommunication at combustion chamber (1) top has breather pipe (3), the top fixedly connected with fan (4) of division board (2), the inlet end intercommunication of fan (4) has intake pipe (5), the end intercommunication of giving vent to anger of fan (4) has outlet duct (6), one side fixedly connected with combustor (7) of combustion chamber (1) inner chamber bottom, fixedly connected with catalytic bed (8) between the bottom of combustion chamber (1) inner chamber bottom and division board (2), one side fixedly connected with heating cabinet (9) at division board (2) top, the bottom intercommunication of breather pipe (3) has curved pipe (10), the outside that heating cabinet (9) and extension to heating cabinet (9) are run through to the one end of curved pipe (10), the one end intercommunication of fan (5) and the one end of intake pipe (1) one side of combustion chamber intercommunication have connecting pipe (11), the one end of combustion chamber (11) runs through combustion chamber (1) and heating cabinet (9) and extends to heating cabinet (9) inside (12) in proper order, one side intercommunication has heating cabinet (9).

2. An exhaust gas catalytic combustion box as claimed in claim 1, wherein: the top and the bottom of heating cabinet (9) inner chamber all fixedly connected with a plurality of conducting strip (13), one side that conducting strip (13) kept away from heating cabinet (9) runs through curved tube (10) and extends to curved tube (10) inside, a plurality of air vent (14) have been seted up to one side of conducting strip (13).

3. An exhaust gas catalytic combustion box as claimed in claim 1, wherein: the utility model discloses a combustion box, including combustion box (1), filter case (15) top one side fixedly connected with filter case (15), the both sides of filter case (15) inner chamber are all fixedly connected with spacing (16), two fixedly mounted has filter (17) between the opposite one side of spacing (16), the top intercommunication of filter case (15) has gas pipe (18).

4. An exhaust gas catalytic combustion box as claimed in claim 1, wherein: the bottom of the inner cavity of the combustion box (1) and the bottom of the partition plate (2) are fixedly connected with a mounting frame (19) which is matched with the catalytic bed (8).

5. An exhaust gas catalytic combustion box as claimed in claim 1, wherein: the opposite side fixedly connected with water tank (20) at division board (2) top, the one end of air duct (12) runs through water tank (20) and extends to the inside of water tank (20), the top intercommunication of water tank (20) has blast pipe (21), the top of blast pipe (21) runs through combustion case (1) and extends to the outside of combustion case (1).

6. An exhaust gas catalytic combustion box as claimed in claim 1, wherein: a baffle plate (22) is fixedly connected between the bottom of the inner cavity of the combustion box (1) and the bottom of the partition plate (2) and positioned on one side of the catalytic bed (8).