CN217503666U

CN217503666U - U-shaped porous medium combustion device

Info

Publication number: CN217503666U
Application number: CN202220700595.1U
Authority: CN
Inventors: 杨欢; 朱凯; 王景
Original assignee: Zhongke Zhuoyi Environmental Technology Dongguan Co ltd
Current assignee: Zhongke Zhuoyi Environmental Technology Dongguan Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-09-27
Anticipated expiration: 2032-03-29

Abstract

The utility model relates to a burner's technical field particularly, relates to a U type porous medium burner, and it includes that combustion chamber and two inside all fill the regenerator that has the heat accumulator, two the one end of regenerator communicates with the both sides of combustion chamber respectively, and another tip of two regenerators all is connected with gas piping, gas piping's length direction is the same with the length direction who corresponds the regenerator, gas piping's the mouth of pipe covers with the cross-section of being connected of regenerator. Adopt the scheme of this application, gas can evenly cover in regenerator port department, is difficult for appearing the gas off tracking and leads to the inhomogeneous problem of gas flow in the heat accumulator.

Description

U-shaped porous medium combustion device

Technical Field

The application relates to the technical field of combustion devices, in particular to a U-shaped porous medium combustion device.

Background

With the improvement of the requirements of energy conservation and emission reduction,porous media combustion has been developed as a novel combustion technology in the last 80 to 90 s of the last century. The porous medium burner is widely applied in the VOCs waste gas treatment industry at present, and the device principle is that the VOCs waste gas is oxidized and decomposed to generate H in a high-temperature environment ₂ O and CO ₂ 。

The utility model discloses a chinese utility model patent that publication number is CN210373476U discloses an energy-conserving mineralize mineralization device of low tolerance VOCs, and it includes the combustion chamber, at two regenerator of bilateral symmetry arrangement of combustion chamber, sets up regenerator connector and heat accumulator connector on two regenerator respectively to through the pipe connection to the switching valves who is used for switching the direction of admitting air, be equipped with waste gas air inlet and waste gas outlet on switching valves. The positions of the waste gas inlet and the waste gas outlet are both positioned on the side edge of the regenerator, and after the gas comes out from the waste gas inlet, the gas is not easy to disperse uniformly or the gas runs through.

Disclosure of Invention

The utility model discloses problem to prior art provides a U type porous medium burner, aims at solving prior art's technical problem.

The utility model provides a pair of U type porous medium burner adopts following technical scheme:

the U-shaped porous medium combustion device comprises a combustion chamber and two regenerators, wherein the regenerators are filled in the combustion chamber, one end parts of the regenerators are communicated with two sides of the combustion chamber respectively, the other end parts of the two regenerators are connected with gas pipelines, the length directions of the gas pipelines are the same as the length directions of the corresponding regenerators, and the pipe orifices of the gas pipelines are covered with the connecting sections of the regenerators.

Through adopting above-mentioned technical scheme, when letting in gas to among the U type porous medium burner, gas enters into a regenerator that corresponds through one of them gas conduit, because the length direction of gas conduit is the same with the length direction who corresponds the regenerator, and the mouth of pipe of gas conduit covers with the connection cross-section that corresponds the regenerator, therefore gaseous in-process that lets in the regenerator from gas conduit, can flow along a direction all the time, make gas can let in the regenerator more accurately more smoothly, and gas can evenly cover in regenerator port department, be difficult for appearing the gas off tracking and lead to the inhomogeneous problem of gas flow in the regenerator.

As an improvement of the U-shaped porous medium combustion device, the two regenerators are respectively and vertically arranged on two sides of the combustion chamber.

By adopting the arrangement mode, the length of the combustion chamber in the length direction can be properly increased, so that the space of the combustion chamber is increased, the staying time of gas in the combustion chamber can be prolonged, and the gas can be combusted and reacted more fully.

As an improvement of the U-shaped porous medium combustion device, two regenerators are arranged in parallel and spaced.

By adopting the arrangement design, a U-shaped structure is formed among the two regenerator box combustion chambers, so that the whole structure of the U-shaped porous medium combustion device is more compact and reasonable, and the occupied space of equipment is reduced.

As an improvement of the U-shaped porous medium combustion device, the peripheries of the combustion chamber and the two regenerators are provided with heat insulation layers.

As an improvement of the U-shaped porous medium combustion device, a heat conduction layer is arranged between the two regenerators.

Through adopting above-mentioned technical scheme, under the lower condition of effect requirement of preheating and cooling effect to gaseous, adopt the heat-conducting layer can conduct the heat between two regenerators, compare with the mode of switching two gas pipeline business turn over gases back and forth, the former can improve the simplicity and convenience of operation, improves the treatment effeciency.

As this application U type porous medium burner's an improvement, be equipped with the buffering gas hood that is the loudspeaker form between regenerator and the gas piping, the connection cross-section of the macrostoma of buffering gas hood and regenerator covers, the osculum and the gas piping of buffering gas hood are connected.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by adopting the scheme, the problem of uneven gas flow in the heat accumulator due to gas deviation is not easy to occur.

2. The space of the combustion chamber is increased, so that the retention time of the gas in the combustion chamber can be prolonged, and the gas can be combusted and reacted more fully.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic overall structure diagram of embodiment 1 of the present application;

fig. 2 is a schematic view of the overall structure of embodiment 2 of the present application.

Description of reference numerals: 1. a combustion chamber; 2. a regenerator; 3. a gas conduit; 4. a heat-insulating layer; 5. a buffer gas hood; 6. a thermally conductive layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is conventionally understood by those skilled in the art, is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1

Please refer to fig. 1, the embodiment provides a U-shaped porous medium combustion apparatus, including combustion chamber 1 and two regenerators 2, each of which is filled with a heat accumulator, one end of each of the two regenerators 2 is communicated with two sides of the combustion chamber 1, the other end of each of the two regenerators 2 is connected with a gas pipeline 3, the length direction of the gas pipeline 3 is the same as the length direction of the corresponding regenerator 2, the pipe orifice of the gas pipeline 3 is covered with the connecting section of the regenerator 2, so that the gas can be uniformly covered at the port of the regenerator 2, and the problem of non-uniform gas flow in the regenerator due to gas deviation is not easy to occur. The combustion chamber 1 and the two regenerators 2 are formed by a metal can body which is hollow inside. The combustion chamber 1 is provided with a porous medium burner, and the installation position of the porous medium burner is the middle position of the bottom of the combustion chamber 1. The two regenerators 2 are of identical or similar construction and the two gas ducts 3 are of identical or similar construction. The heat accumulator may be specifically a ceramic honeycomb. And the two gas pipelines 3 are respectively provided with a gas valve for controlling gas to enter and exit.

The working process of the U-shaped porous medium combustion device is as follows: and opening a gas valve, introducing gas from one of the gas pipelines 3, passing the introduced gas through the corresponding one of the regenerators 2, the combustion chamber 1 and the other regenerator 2 in sequence, and finally discharging the gas from the other gas pipeline 3. The gas is preheated in the first regenerator 2 passing through to improve the treatment effect on the gas, the gas is subjected to combustion reaction in the combustion chamber 1, and the gas is cooled in the second regenerator 2 passing through. When the temperature of the second passing regenerator 2 reaches a set value, the gas inlet and outlet directions are switched. Because the gas temperature after through combustion chamber 1 is higher, can carry out heat-conduction to regenerator 2 that the second passed through, when this regenerator 2's temperature rose a definite value, through switching the business turn over gas direction, utilize the regenerator 2 that the temperature is relatively high to preheat gas, utilize regenerator 2 that the temperature is relatively low to cool down gas.

Preferably, the two regenerators 2 are vertically disposed on both sides of the combustion chamber 1, respectively. By adopting the arrangement mode, the length of the combustion chamber 1 in the length direction can be properly increased, so that the space of the combustion chamber 1 is increased, the staying time of gas in the combustion chamber 1 can be prolonged, and the gas can be more fully combusted and reacted.

More preferably, the two regenerators 2 are arranged in parallel at a spacing. By adopting the arrangement design, a U-shaped structure is formed between the two regenerators and the 2-box combustion chamber 1, so that the whole structure of the U-shaped porous medium combustion device is more compact and reasonable, and the floor area of equipment is reduced.

The peripheries of the combustion chamber 1 and the two regenerative chambers 2 are provided with heat insulating layers 4.

A trumpet-shaped buffer gas hood 5 is arranged between the regenerative chamber 2 and the gas pipeline 3, the large opening of the buffer gas hood 5 is covered with the connecting section of the regenerative chamber 2, and the small opening of the buffer gas hood 5 is connected with the gas pipeline 3. On one hand, in the air inlet process, the buffer air hood 5 is additionally arranged to stabilize the air flow introduced into the heat storage chamber 2 in advance, so that the air is introduced into the heat storage chamber 2 more uniformly and stably; for the process of giving vent to anger, increase and set up buffering gas hood 5 and can concentrate the water conservancy diversion to gas. On the other hand, the buffer gas cover 5 having a horn shape can restrict the heat storage body in the heat storage chamber 2 from moving to the outside.

Example 2

Referring to fig. 2, the present embodiment provides a U-shaped porous medium combustion device, which is different from embodiment 1 in that a heat conductive layer 6 is disposed between two regenerators 2. The heat conduction layer 6 can be a heat conduction silica gel layer or a heat conduction carbon fiber layer. Under the lower condition of the effect of requiring to preheat and the cooling effect of gaseous, adopt heat-conducting layer 6 can conduct the heat between two regenerators 2, compare with the mode of switching two gas pipeline 3 business turn over gas back and forth, the former can improve the simplicity and convenience of operation, improves the treatment effeciency.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The U-shaped porous medium combustion device is characterized by comprising a combustion chamber (1) and two regenerators (2) filled with regenerators, wherein one end parts of the regenerators (2) are communicated with two sides of the combustion chamber (1) respectively, the other end parts of the two regenerators (2) are connected with gas pipelines (3), the length directions of the gas pipelines (3) are the same as the length directions of the corresponding regenerators (2), and the pipe orifices of the gas pipelines (3) are covered with the connecting sections of the regenerators (2).

2. A U-shaped porous medium combustion device according to claim 1, characterized in that two regenerators (2) are arranged vertically on each side of the combustion chamber (1).

3. A U-shaped porous medium combustion device according to claim 2, characterized in that two regenerators (2) are arranged side by side at a distance.

4. A U-shaped porous medium combustion unit according to claim 1, characterized in that the combustion chamber (1) and the two regenerators (2) are provided with insulating layers (4) on the periphery.

5. A U-shaped porous-medium combustion device according to any one of claims 1 to 4, characterized in that a heat conducting layer (6) is arranged between the two regenerators (2).

6. A U-shaped porous medium combustion device as claimed in any one of claims 1 to 4, characterized in that a buffer gas hood (5) in a horn shape is arranged between the regenerator (2) and the gas pipeline (3), the large opening of the buffer gas hood (5) is covered with the connection section of the regenerator (2), and the small opening of the buffer gas hood (5) is connected with the gas pipeline (3).