CN220707359U - Waste gas catalytic combustion device - Google Patents

Abstract

The utility model relates to an exhaust gas catalytic combustion device, which comprises a box body, wherein a combustion cavity is formed in the left end of the inside of the box body, a heat exchange cavity is formed in the right end of the inside of the box body, a feed pipe and a discharge pipe are respectively arranged on the inner walls of the upper end and the lower end of the combustion cavity in a penetrating manner, an air duct is arranged between the combustion cavity and the heat exchange cavity, a first U-shaped pipe is arranged at the right end of the air duct, an air outlet pipe is arranged at the right end of the box body in a penetrating manner, a second U-shaped pipe is arranged at the left end of the air outlet pipe, heat exchange pipes are detachably arranged between the first U-shaped pipe and the second U-shaped pipe, a control valve is arranged on the first U-shaped pipe and the second U-shaped pipe corresponding to a plurality of heat exchange pipes, a plurality of groups of heat exchange pipes are arranged on the heat exchange pipes, a water inlet pipe and a water outlet pipe are respectively arranged on the upper side and lower side of the front end of the heat exchange cavity in a penetrating manner, a box door is hinged to the upper end of the box body, a handle is arranged at the upper end of the box door, and the left end and the right end of the box body are respectively connected with a preheating box and a purifying box; the design of the heat exchange tube ensures normal use during maintenance; the design of the preheating box improves the preheating effect; the design of purifying box is convenient from the clearance.

Description

Waste gas catalytic combustion device

Technical Field

The utility model relates to the technical field of catalytic combustion, in particular to an exhaust catalytic combustion device.

Background

The catalytic combustion is a common means in the field of waste gas treatment, the catalytic combustion method belongs to a thermal destruction method, the mechanism is oxidation, thermal cracking and thermal decomposition of organic components in waste gas, so that the organic components are converted into non-toxic substances, a waste gas catalytic combustion device is needed during catalytic combustion, the existing catalytic combustion device generally needs to conduct heat exchange on gas when the catalytic combustion device is used and the gas after catalytic combustion is discharged outwards, the existing heat exchange mechanism is easy to break down after long-time use, maintenance operation is difficult, the device is influenced by the maintenance process, the temperature of the waste gas is low when the external waste gas enters the device, a proper preheating mechanism is lacked, the catalytic combustion process is slow, time consumption is long, energy is wasted, in addition, the device is used, the burnt gas is discharged after being purified, a large amount of impurities are easy to accumulate after long-time use of a purifying mechanism, normal exhaust is influenced, and the purifying mechanism is inconvenient to clean.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an exhaust gas catalytic combustion device to solve the problems that the existing heat exchange mechanism provided in the background art is easy to fail after long-term use, the maintenance operation is difficult, and the use of the device is influenced by the maintenance process.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an exhaust gas catalytic combustion device, includes the box, the terminal surface is equipped with the support under the box, the combustion chamber has been seted up to the inside left end of box, the heat transfer chamber has been seted up to the inside right-hand member of box, run through respectively on the inner wall of both ends about the combustion chamber and be equipped with inlet pipe and discharging pipe, be equipped with the air duct between combustion chamber and the heat transfer chamber, the air duct right-hand member is equipped with first U type pipe, the box right-hand member runs through and is equipped with the outlet duct, the outlet duct left end is equipped with the second U type pipe, can dismantle between first U type pipe and the second U type pipe and be equipped with the heat transfer pipe, all correspond a plurality of on first U type pipe and the second U type pipe the heat transfer pipe is equipped with the control valve, the heat transfer pipe is provided with the multiunit, both sides run through respectively on the heat transfer chamber front end and are equipped with inlet tube and outlet pipe, the box up end articulates and is equipped with the chamber door, the chamber upper end is equipped with the handle, both ends are connected respectively about the box and are equipped with preheating box and purifying box.

In a further preferred mode, a plurality of connecting flanges are arranged on two sides of the outer end face of the heat exchange tube, a plurality of connecting flanges are arranged on the first U-shaped tube and the second U-shaped tube correspondingly, and the connecting flanges and the fixing flanges are connected through bolts, so that the heat exchange tube is convenient to assemble.

In a further preferred embodiment, a first guide plate is arranged at the central position inside the preheating box, second guide plates are arranged on the inner walls of the front end and the rear end of the preheating box, a plurality of groups of first guide plates and second guide plates are arranged at intervals, the transmission speed is reduced, and the preheating effect is ensured.

In a further preferred mode, an adsorption net is arranged inside the purifying box, a slag discharging pipe is arranged on the left side of the lower end face of the purifying box in a penetrating mode, a slag discharging valve is arranged on the slag discharging pipe, and an air spraying pipe is arranged on the right side of the upper end face of the purifying box in a penetrating mode, so that purifying and adsorbing are facilitated, and automatic cleaning is achieved.

In a further preferred aspect, the purifying box is internally provided with a rotating shaft in a rotating manner, the rotating shaft is provided with a plurality of belt strips, the circumferential direction of the belt strips is provided with a plurality of belt strips, and the upper end of the rotating shaft is connected with a driving motor, so that the cleaning effect is improved.

In a further preferred embodiment, a plurality of support rods are connected between the preheating tank and the purifying tank and between the preheating tank and the purifying tank, and the stability is improved.

(III) beneficial effects

Compared with the prior art, the utility model provides an exhaust gas catalytic combustion device, which comprises the following components

The beneficial effects are that:

according to the utility model, the design of the heat exchange tube is that the handle is grasped, the hinged box door is opened, the damaged heat exchange tube is replaced after the box door is opened, the bolt between the fixed flange and the connecting flange is removed, the disassembly is realized, after the heat exchange tube on one side is disassembled, the corresponding control valve on the other side is closed, the control valve on the other side is opened, the heat exchange tube on the other side is put into use, the overhaul operation is carried out on the disassembled heat exchange tube, the normal use of the device during the overhaul operation is ensured, and the overhaul is convenient;

the design of the preheating box, the electric heating wire in the preheating box is started to preheat the waste gas entering the preheating box, the first guide plate and the second guide plate in the preheating box convey the waste gas to realize guide, the retention time of the waste gas in the preheating box is prolonged, and the preheating effect is improved;

the design of purifying box, the device uses for a long time, remains a large amount of impurity on the adsorption net, clears up the adsorption net, closes the valve between box and the purifying box, outside air gets into inside the purifying box through the jet-propelled pipe, blows to the adsorption net, when blowing, starts driving motor's power, driving motor's motor shaft drives the belt strip and rotates, realizes clapping to the impurity on the adsorption net, opens the slag discharge valve, and the dust of clapping outwards discharges through the scum pipe, makes things convenient for self-cleaning.

Drawings

FIG. 1 is a schematic view of a preferred overall structure of an exhaust catalytic combustion device according to the present utility model;

FIG. 2 is a cross-sectional view showing the internal structure of a case of an exhaust gas catalytic combustor according to the present utility model;

FIG. 3 is a sectional view showing the internal structure of a preheating tank of an exhaust catalytic combustion device according to the present utility model;

FIG. 4 is a sectional view showing the internal structure of a purifying box of an exhaust gas catalytic combustion device according to the present utility model;

fig. 5 is an enlarged schematic view of a partial structure of fig. 2 a.

In the figure: 1. a case; 2. a bracket; 3. a combustion chamber; 4. a heat exchange cavity; 5. a feed pipe; 6. a discharge pipe; 7. an air duct; 8. a first U-shaped tube; 9. an air outlet pipe; 10. a second U-shaped tube; 11. a heat exchange tube; 12. a control valve; 13. a water inlet pipe; 14. a water outlet pipe; 15. a door; 16. a handle; 17. a preheating box; 18. a purifying box; 19. a connecting flange; 20. a fixed flange; 21. a first deflector; 22. a second deflector; 23. an adsorption net; 24. a slag discharge pipe; 25. a slag discharging valve; 26. a gas lance; 27. a rotating shaft; 28. pi Daitiao; 29. a driving motor; 30. and (5) supporting the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-5, an exhaust gas catalytic combustion device comprises a box body 1, a support 2 is arranged on the lower end face of the box body 1, a combustion chamber 3 is arranged at the left end inside the box body 1, a heat exchange chamber 4 is arranged at the right end inside the box body 1, a feed pipe 5 and a discharge pipe 6 are respectively arranged on the inner walls of the upper end and the lower end of the combustion chamber 3 in a penetrating manner, an air duct 7 is arranged between the combustion chamber 3 and the heat exchange chamber 4, a first U-shaped pipe 8 is arranged at the right end of the air duct 7, an air outlet pipe 9 is arranged at the right end of the box body 1 in a penetrating manner, a second U-shaped pipe 10 is arranged at the left end of the air outlet pipe 9, heat exchange pipes 11 are detachably arranged between the first U-shaped pipe 8 and the second U-shaped pipe 10, a plurality of control valves 12 are arranged on the first U-shaped pipe 8 and the second U-shaped pipe 10 in a corresponding manner, a plurality of groups of heat exchange pipes 11 are arranged, a water inlet pipe 13 and an air outlet pipe 14 are respectively arranged at the upper side and lower side of the front end of the heat exchange chamber 4 in a penetrating manner, a box door 15 is arranged at the upper end of the box body 1 in a hinged manner, a handle 16 is arranged at the upper end of the box door 15, a preheating box 17 and a purifying box 18 are respectively connected at the left end and right end of the box body 1.

Referring to fig. 5, in the present embodiment, two sides of the outer end surfaces of the plurality of heat exchange tubes 11 are respectively provided with a connection flange 19, the first U-shaped tube 8 and the second U-shaped tube 10 are respectively provided with a fixing flange 20 corresponding to the plurality of connection flanges 19, the connection flanges 19 and the fixing flanges 20 are connected through bolts, the damaged heat exchange tubes 11 are replaced, and bolts between the fixing flanges 20 and the connection flanges 19 are removed.

Referring to fig. 3, in the present embodiment, a first deflector 21 is disposed at a central position inside the preheating tank 17, second deflectors 22 are disposed on inner walls of front and rear ends of the preheating tank 17, a plurality of groups of first deflectors 21 and second deflectors 22 are disposed at intervals, and the first deflectors 21 and the second deflectors 22 inside the preheating tank 17 deflect the exhaust gas.

Referring to fig. 1 and 4, in this embodiment, an adsorption net 23 is disposed inside a purifying tank 18, a slag discharging pipe 24 is disposed on the left side of the lower end surface of the purifying tank 18, a slag discharging valve 25 is disposed on the slag discharging pipe 24, an air spraying pipe 26 is disposed on the right side of the upper end surface of the purifying tank 18, a rotating shaft 27 is disposed inside the purifying tank 18 in a rotating manner, a belt strip 28 is disposed on the rotating shaft 27, a plurality of belt strips 28 are disposed in the circumferential direction, a driving motor 29 is connected to the upper end of the rotating shaft 27, external air enters the purifying tank 18 through the air spraying pipe 26 to blow the adsorption net 23, a power supply of the driving motor 29 is started while blowing, a motor shaft of the driving motor 29 drives the belt strip 28 to rotate, the slag discharging valve 25 is opened, and the beaten dust is discharged outwards through the slag discharging pipe 24.

Referring to fig. 1, in the present embodiment, a plurality of support rods 30 are provided between the preheating tank 17 and the purifying tank 18 and the tank body 1, and the support rods 30 support the preheating tank 17 and the purifying tank 18.

Embodiment two:

in sum, when the preheating device is used, external waste gas enters the preheating box 17 through the air inlet end of the preheating box 17, the electric heating wires in the preheating box 17 are started to preheat the waste gas entering the preheating box 17, the first guide plate 21 and the second guide plate 22 in the preheating box 17 convey the waste gas to achieve flow guiding, the retention time of the waste gas in the preheating box 17 is prolonged, the preheating effect is improved, the preheated waste gas is transmitted into the combustion chamber 3 in the box 1, the catalyst is added into the combustion chamber 3 in the box 1 through the feed pipe 5, catalytic combustion is achieved, the gas generated after the catalytic combustion is transmitted to the first U-shaped pipe 8 through the air duct 7, the first U-shaped pipe 8 is transmitted to the heat exchange pipe 11, water is added into the heat exchange chamber 4 through the water inlet pipe 13, the heat exchange pipe 11 is in contact, the heat exchange pipe 11 is absorbed, the discharged gas temperature is prevented from being too high, the heat exchanged gas enters the second U-shaped pipe 10, the gas is transmitted outwards through the air outlet pipe 9 to enter the purifying box 18, and the adsorption net 23 in the purifying box 18 is used for filtering and adsorbing the discharged gas.

Embodiment III:

in summary, when using, the device uses for a long time, the device is used for a large amount of impurity that remains on the adsorption net 23, clear up the adsorption net 23, close the valve between box 1 and the purifying box 18, outside air gets into inside the purifying box 18 through jet pipe 26, blow air to the adsorption net 23, the power of driving motor 29 is started when blowing, driving motor 29's motor shaft drives the belt strip 28 and rotates, realize clapping to the impurity on the adsorption net 23, open the slag tap valve 25, the dust of clapping outwards discharges through the slag tap pipe 24, the device uses for a long time, heat exchange tube 11 breaks down, change heat exchange tube 11, grab handle 16, open articulated chamber door 15, after chamber door 15 is opened, change damaged heat exchange tube 11, take down the bolt between mounting flange 20 and the flange 19, realize dismantling, after one side heat exchange tube 11 is dismantled, close the control valve 12 that this side corresponds, the control valve 12 of the opposite side opens, the heat exchange tube 11 of the opposite side is put into use, normal use is carried out to the heat exchange tube 11 of dismantling, guarantee to overhaul operation, install convenient for overhaul operation.

In all the above mentioned embodiments, the welding, the matching connection of the bolt and the nut, the bolt or the screw connection or other known connection modes can be selected according to the actual situation, and are not described in detail herein, the above description refers to the write-in fixed connection, and the welding is preferentially considered, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present utility model if the technical scheme and the inventive concept thereof are equivalent or changed within the scope of the present utility model.

Claims (6)

1. The utility model provides an exhaust gas catalytic combustion device, includes box (1), terminal surface is equipped with support (2) under box (1), its characterized in that, combustion chamber (3) have been seted up to the inside left end of box (1), heat exchange chamber (4) have been seted up to the inside right-hand member of box (1), run through respectively on the inner wall of both ends about combustion chamber (3) inlet pipe (5) and discharging pipe (6), be equipped with air duct (7) between combustion chamber (3) and heat exchange chamber (4), air duct (7) right-hand member is equipped with first U type pipe (8), box (1) right-hand member runs through and is equipped with outlet duct (9), outlet duct (9) left end is equipped with second U type pipe (10), can dismantle between first U type pipe (8) and the second U type pipe (10) and be equipped with heat exchange tube (11), all correspond a plurality of on first U type pipe (8) and the second U type pipe (10) heat exchange tube (11) are equipped with control valve (12), heat exchange tube (11) are equipped with first U type pipe (8) and heat exchange tube (4) and heat exchange chamber door (4) are equipped with handle (15) respectively, the upper and lower end face (15) are equipped with on the box door (14), the left end and the right end of the box body (1) are respectively connected with a preheating box (17) and a purifying box (18).

2. An exhaust gas catalytic combustion device according to claim 1, wherein: a plurality of heat exchange tubes (11) outer terminal surface both sides all are equipped with flange (19), all correspond a plurality of on first U type pipe (8) and the second U type pipe (10) flange (19) are equipped with flange (20), flange (19) and flange (20) pass through bolted connection.

3. An exhaust gas catalytic combustion device according to claim 1, wherein: the preheating box (17) is internally provided with a first guide plate (21) at the center, second guide plates (22) are arranged on the inner walls of the front end and the rear end of the preheating box (17), and a plurality of groups of first guide plates (21) and second guide plates (22) are arranged at intervals.

4. An exhaust gas catalytic combustion device according to claim 1, wherein: the purifying box (18) is internally provided with an adsorption net (23), a slag discharging pipe (24) is arranged on the left side of the lower end face of the purifying box (18) in a penetrating mode, a slag discharging valve (25) is arranged on the slag discharging pipe (24), and an air spraying pipe (26) is arranged on the right side of the upper end face of the purifying box (18) in a penetrating mode.

5. An exhaust gas catalytic combustion device according to claim 4, wherein: the inside rotation of purifying box (18) is equipped with pivot (27), be equipped with belt strip (28) on pivot (27), be provided with a plurality ofly on belt strip (28) circumferencial direction, pivot (27) upper end connection is equipped with driving motor (29).

6. An exhaust gas catalytic combustion device according to claim 1, wherein: the preheating box (17) and the purifying box (18) are connected with the box body (1) through supporting rods (30), and a plurality of supporting rods (30) are arranged.