CN219318453U

CN219318453U - RTO processing apparatus with waste heat recovery function

Info

Publication number: CN219318453U
Application number: CN202320065299.3U
Authority: CN
Inventors: 程群; 杜志华; 杨城
Original assignee: Chongqing Spuda Environmental Protection Technology Co ltd
Current assignee: Chongqing Spuda Environmental Protection Technology Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-07-07
Anticipated expiration: 2033-01-10

Abstract

The utility model provides an RTO treatment device with a waste heat recovery function, which relates to the technical field of RTO treatment and comprises an incinerator body, wherein three heat storage chambers are arranged in the incinerator body, waste heat treatment mechanisms are arranged between adjacent heat storage chambers, a combustion chamber is arranged above each heat storage chamber, a waste heat exchanger is arranged in the incinerator body, so that organic waste gas is enabled to transfer heat in the incinerator body to the waste heat exchanger in the heating and burning process, purified gas enters the waste heat exchanger through a gas storage tank to collect and exchange heat, the gas cooled by the waste heat exchanger is discharged to the atmosphere through a first air outlet pipe, the recovered waste heat is introduced into a collecting device through a second air outlet pipe and is subsequently converted into electric energy or heated for use, the cooling effect on waste gas treatment is improved, the gas discharge temperature is reduced, the energy utilization rate is also improved, the production cost is reduced, and the economic benefit is improved.

Description

RTO processing apparatus with waste heat recovery function

Technical Field

The utility model relates to the technical field of RTO treatment, in particular to an RTO treatment device with a waste heat recovery function.

Background

The RTO treatment device is generally referred to as a regenerative thermal incinerator, and is also referred to as a regenerative oxidation furnace, when in operation, waste gas is firstly heated to be close to a thermal oxidation temperature through a heat accumulator, then enters a combustion chamber for thermal oxidation, the temperature of oxidized gas is increased, organic matters are basically converted into carbon dioxide and water, and purified gas can be discharged after reaching an emission standard through another heat accumulator, and the temperature of the purified gas is reduced.

However, in the long-term use process of the heat accumulator, the cooling effect of the conventional RTO treatment device is reduced, the temperature of the discharged gas is high, difficulties are brought to the treatment of the flue gas, and the energy utilization rate is low, so that the RTO treatment device with the waste heat recovery function is improved.

Disclosure of Invention

The utility model mainly aims to provide an RTO treatment device with a waste heat recovery function, which can effectively solve the problems that the cooling effect of the conventional RTO treatment device is reduced in the long-term use process of a heat accumulator, the temperature of discharged gas is easy to be high, the difficulty is brought to flue gas treatment, and the energy utilization rate is low.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a RTO processing apparatus with waste heat recovery function, includes the base, be provided with the incinerator body on the base, the inside three regenerator that is provided with of incinerator body, is adjacent be provided with the heat conduction case between the regenerator, be provided with waste heat treatment mechanism in the heat conduction case, every all be provided with ceramic heat accumulator in the heat accumulation chamber, the regenerator top is provided with the combustion chamber, be provided with burner in the combustion chamber, fixed mounting has the fan on the base, fan one end is through exhaust pipe and regenerator intercommunication.

Preferably, the upper surface of the base is fixedly connected with a supporting frame, and the incinerator body is fixedly arranged on the supporting frame.

Preferably, two ends of the heat conducting box are fixedly connected with two side walls of the incinerator, the heat collecting box is fixedly connected inside the two heat conducting boxes, and heat collecting cavities are formed in the two heat collecting box bodies.

Preferably, a plurality of heat conducting blocks are fixedly connected to the inner walls of the heat conducting boxes, and the heat conducting blocks extend to the inside of the heat collecting cavity.

Preferably, the waste heat treatment mechanism comprises two waste heat exchangers, and the two waste heat exchangers are respectively and fixedly arranged in the two heat collection boxes.

Preferably, the upper ends of the two waste heat exchangers are fixedly connected with first air inlet pipes, and the upper ends of the first air inlet pipes are communicated with the heat collection cavity.

Preferably, the bottoms of the three regenerators are all communicated with each other and are provided with connecting pipes, one end of each connecting pipe, which is far away from the incinerator body, is fixedly connected with a gas storage tank, and one side of the upper end of each gas storage tank is communicated with two second air inlet pipes.

Preferably, one end, far away from the gas storage box, of the two second gas inlet pipes is fixedly connected with two waste heat exchangers respectively, and the upper end and the lower end, far away from one side of the second gas inlet pipe, of each waste heat exchanger are fixedly connected with a first gas outlet pipe and a second gas outlet pipe respectively.

Compared with the prior art, the utility model has the following beneficial effects:

through setting up the waste heat exchanger in the incinerator body for the organic waste gas is at the in-process of intensification and burning, through the heat conduction piece with the heat transfer in the incinerator body to the heat collection intracavity portion, get into the waste heat exchanger inside through first intake pipe, collect and heat transfer to the heat in the exhaust-gas treatment process, the gas after the purification gets into the gas receiver through the connecting pipe, in the rethread second intake pipe gets into the waste heat exchanger, the gas after the waste heat exchanger cooling is discharged to the atmosphere through first outlet duct, the waste heat of retrieving lets in collection device through the second outlet duct in, the follow-up conversion is electric energy or heating use, through this technical scheme, not only can improve the cooling effect to exhaust-gas treatment, reduce gas emission temperature, can also improve energy utilization, low production cost, improve economic benefits.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a perspective view of the cross-sectional structure of FIG. 2 A-A in accordance with the present utility model;

fig. 4 is a perspective view of the sectional structure B-B of fig. 2 according to the present utility model.

In the figure: 1. a base; 2. a waste heat treatment mechanism; 201. a waste heat exchanger; 202. a first air inlet pipe; 203. a second air inlet pipe; 204. a first air outlet pipe; 205. a second air outlet pipe; 206. a gas storage tank; 207. a connecting pipe; 3. an incinerator body; 4. a blower; 5. an exhaust pipe; 6. a support frame; 7. a ceramic heat accumulator; 8. a heat conduction box; 9. a heat conduction block; 10. a heat collection box; 11. a heat collection chamber; 12. a combustion device.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, 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.

As shown in fig. 1-3, an RTO treatment device with a waste heat recovery function is provided in an embodiment of the present utility model, which includes a base 1, an incinerator body 3 is provided on the base 1, three regenerators are provided inside the incinerator body 3, a heat conducting box 8 is provided between adjacent regenerators, a waste heat treatment mechanism 2 is provided in the heat conducting box 8, a ceramic regenerator 7 is provided in each regenerator, a combustion chamber is provided above the regenerators, a combustion device 12 is provided in the combustion chamber, a fan 4 is fixedly installed on the base 1, and one end of the fan 4 is communicated with the regenerators through an exhaust pipe 5.

As shown in fig. 1, 3 and 4, in another embodiment of the present utility model, a support frame 6 is fixedly connected to the upper surface of a base 1, an incinerator body 3 is fixedly installed on the support frame 6, two ends of two heat conduction boxes 8 are fixedly connected to two side walls of the incinerator, heat collection boxes 10 are fixedly connected to the interiors of the two heat conduction boxes 8, heat collection cavities 11 are respectively arranged in the two heat collection boxes 10, a plurality of heat conduction blocks 9 are respectively fixedly connected to the inner walls of the two heat conduction boxes 8, and the heat conduction blocks 9 extend into the heat collection cavities 11.

In this embodiment, the exhaust gas is conveyed into one of the heat storage chambers by the fan 4, heated to a temperature close to the thermal oxidation temperature by the ceramic heat storage body 7, then enters the combustion chamber, is combusted by the combustion device 12, heats the organic exhaust gas to above 760 ℃ to enable VOC in the exhaust gas to be oxidized and decomposed into carbon dioxide and water, and the purified gas is cooled by the other ceramic heat storage body 7 to enable the other ceramic body to heat up for heat storage, so that the organic exhaust gas entering later is preheated, and it is required to be noted that each heat storage chamber sequentially undergoes procedures of heat storage, heat release, cleaning and the like, and continuously works repeatedly.

As shown in fig. 1, 3 and 4, in another embodiment of the present utility model, the waste heat treatment mechanism 2 includes two waste heat exchangers 201, the two waste heat exchangers 201 are respectively and fixedly installed inside two heat collection boxes 10, the upper ends of the two waste heat exchangers 201 are fixedly connected with a first air inlet pipe 202, the upper ends of the first air inlet pipes 202 are communicated with the heat collection cavity 11, the bottoms of the three heat storage chambers are respectively and fixedly connected with a connecting pipe 207, one end of the three connecting pipes 207, which is far away from the incinerator body 3, is fixedly connected with an air storage box 206, one side of the upper end of the air storage box 206 is fixedly connected with two second air inlet pipes 203, one ends of the two second air inlet pipes 203, which are far away from the air storage box 206, are respectively and fixedly connected with a first air outlet pipe 204 and a second air outlet pipe 205, and the upper end and the lower ends of the two waste heat exchangers 201, which are far away from one side of the second air inlet pipes 203, are respectively and fixedly connected with a first air outlet pipe 204 and a second air outlet pipe 205.

When the waste heat exchanger 201 is specifically arranged, the main structure of the waste heat exchanger 201 is that the heat exchange elements are formed by arranging a plurality of corrugated plates which are pressed into concave-convex shapes, the working characteristics of high heat efficiency and low energy consumption are achieved through cross flow heat exchange, the equipment can fully recover latent heat in flue gas, the metal structure of the heat exchange elements is lighter and more durable, the heat exchange equipment has the advantages of corrosion resistance, low maintenance cost, stable operation and the like, in the process of heating and burning organic waste gas, the heat conduction box 8 transfers heat in the incinerator body 3 to the inside of the heat collection cavity 11 through the heat conduction block 9, the heat enters the waste heat exchanger 201 through the first air inlet pipe 202, heat in the waste gas treatment process is collected and exchanged, purified gas enters the gas storage box 206 through the second air inlet pipe 203, the gas after the waste heat exchanger 201 is cooled is discharged to the atmosphere through the first air outlet pipe 204, the recovered waste heat is introduced into the collecting device through the second air outlet pipe 205, and is subsequently converted into electric energy or heated for use, through the technical scheme, the temperature reduction effect of waste gas treatment can be improved, the energy utilization rate can be improved, the economic benefit can be further improved, and the production cost can be improved.

The working principle of the RTO treatment device with the waste heat recovery function is as follows:

during use, the fan 4 conveys waste gas into one of the heat storage chambers, the waste gas is heated to be close to the thermal oxidation temperature through the ceramic heat storage body 7, then the waste gas enters the combustion chamber, the combustion device 12 is used for burning, organic waste gas is heated to be more than 760 ℃, VOC in the waste gas is oxidized and decomposed into carbon dioxide and water, the purified gas is cooled through the other ceramic heat storage body 7, the other ceramic body is heated to store heat, the waste gas is used for preheating organic waste gas which enters later, each heat storage chamber sequentially undergoes the procedures of heat storage, heat release, cleaning and the like, the continuous operation is repeated, the heat conduction box 8 is used for transmitting heat in the incinerator body 3 into the heat collection cavity 11 through the heat conduction block 9 in the process of heating and burning of the organic waste gas, the waste gas enters the waste heat exchanger 201 through the first air inlet pipe 202, the heat in the waste heat treatment process is collected and exchanged, purified gas enters the gas storage box 206 through the connecting pipe 207, the purified gas enters the waste heat exchanger 201 through the second air inlet pipe 203, the gas cooled by the waste heat exchanger 201 is discharged into the atmosphere through the first air outlet pipe 204, and the recovered waste heat is introduced into the collecting device through the second air outlet pipe 205 to be converted into electric energy or used for heating.

It should be understood that the foregoing examples of the present utility model are merely illustrative of the present utility model and not limiting of the embodiments of the present utility model, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the utility model are defined by the following claims.

Claims

1. RTO processing apparatus with waste heat recovery function, including base (1), its characterized in that: the incinerator is characterized in that an incinerator body (3) is arranged on the base (1), three heat storage chambers are arranged inside the incinerator body (3), a heat conduction box (8) is arranged between adjacent heat storage chambers, a waste heat treatment mechanism (2) is arranged in the heat conduction box (8), ceramic heat storage bodies (7) are arranged in the heat storage chambers, combustion chambers are arranged above the heat storage chambers, combustion devices (12) are arranged in the combustion chambers, a fan (4) is fixedly arranged on the base (1), and one end of the fan (4) is communicated with the heat storage chambers through an exhaust pipe (5).

2. The RTO processing device with waste heat recovery function according to claim 1, wherein: the upper surface of the base (1) is fixedly connected with a supporting frame (6), and the incinerator body (3) is fixedly arranged on the supporting frame (6).

3. An RTO processing apparatus with waste heat recovery function as defined in claim 2, wherein: two heat conduction case (8) both ends all with incinerator both sides wall fixed connection, two heat conduction case (8) inside all fixedly connected with heat collection case (10), two all be provided with in heat collection case (10) box heat collection chamber (11).

4. An RTO processing apparatus with waste heat recovery function as defined in claim 3, wherein: and a plurality of heat conducting blocks (9) are fixedly connected to the inner walls of the two heat conducting boxes (8), and the heat conducting blocks (9) extend into the heat collecting cavity (11).

5. The RTO processing device with waste heat recovery function according to claim 4, wherein: the waste heat treatment mechanism (2) comprises two waste heat exchangers (201), and the two waste heat exchangers (201) are respectively and fixedly arranged in the two heat collection boxes (10).

6. The RTO processing device with waste heat recovery function according to claim 5, wherein: the upper ends of the two waste heat exchangers (201) are fixedly connected with first air inlet pipes (202), and the upper ends of the first air inlet pipes (202) are communicated with the heat collection cavity (11).

7. The RTO processing device with waste heat recovery function of claim 6, wherein: the bottom of each of the three regenerators is provided with a connecting pipe (207) in a communicating manner, one end, far away from the incinerator body (3), of each connecting pipe (207) is fixedly connected with a gas storage tank (206), and one side of the upper end of each gas storage tank (206) is provided with two second gas inlet pipes (203) in a communicating manner.

8. The RTO processing device with waste heat recovery function of claim 7, wherein: one end, far away from the gas storage tank (206), of the two second gas inlet pipes (203) is fixedly connected with the two waste heat exchangers (201) respectively, and the upper end and the lower end, far away from one side of the second gas inlet pipes (203), of the two waste heat exchangers (201) are fixedly connected with a first gas outlet pipe (204) and a second gas outlet pipe (205) respectively.