CN210717586U

CN210717586U - Combustion chamber device

Info

Publication number: CN210717586U
Application number: CN201921664498.6U
Authority: CN
Inventors: 王传锋; 叶渊; 刘爱森
Original assignee: Center International Group Co Ltd
Current assignee: Center International Group Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-09
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a combustion chamber device, including hollow casing, for combustible gas provides the cavity inner bag and the air conduit in combustion space, inner bag both ends opening, its vertical setting is in the casing, and the lower extreme opening of inner bag forms one section cavity to the lower extreme export of casing, and the end and the cavity intercommunication of giving vent to anger of air conduit. The inner side of the top of the shell is provided with an ignition mechanism which extends to the inner cavity of the inner container and is used for igniting the gas in the inner cavity of the inner container, and the outlet at the lower end of the shell is communicated with a heating well arranged in the polluted soil. The utility model discloses be used as the normal position heating unit who pollutes soil thermal desorption system, combustible gas burns in the inner bag after igniting through ignition mechanism, and the air in the heat heating cavity that the burning produced, the heat that the hot gas flow carried can be absorbed and conduct for the soil that pollutes by the heater shaft that sets up in the contaminated soil, and the device structure is simple with the theory of operation, and it is effectual to heat, and easy to operate.

Description

Combustion chamber device

Technical Field

The utility model relates to a soil environment restoration technology field, concretely relates to combustion chamber device is used as the normal position heating unit who pollutes soil thermal desorption system.

Background

With the development of industrial production in China, the pollution caused by factories causes the soil to be polluted, and the ecological environment and the human health are seriously threatened. For the soil pollution of organic hydrocarbon, the in-situ thermal desorption remediation technology is a very effective treatment way, and the principle is that the polluted soil is heated to a temperature above the boiling point of a target pollutant at the original position, and the pollutant is selectively promoted to be gasified and volatilized by controlling the temperature and the retention time of the system, so that the target pollutant is separated from soil particles, and the aim of removing the pollutant is fulfilled. The site in-situ heating unit is core equipment for carrying out in-situ thermal desorption on the polluted soil, and although some in-situ thermal desorption equipment is put into use in China at present, the heating unit mostly adopts electric heating or steam heating, so that temporary large-scale electricity utilization of part of sites is not easy to obtain, and the steam heating temperature is lower. The method for heating air by adopting combustible gas combustion is the development direction of an in-situ thermal desorption heating unit, but at present, few combustors specially aiming at in-situ thermal desorption exist, and some people adopt a common combustor sold in the market to transform into an in-situ thermal desorption additional heating unit, but the structure is heavy, and the process is complex.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a simple structure simple process, convenient operation's combustion chamber device is as polluting soil thermal desorption system's normal position heating unit.

The utility model adopts the following technical scheme:

a combustion chamber device comprises a hollow shell, a hollow inner container and an air pipeline, wherein the hollow inner container provides a combustion space for combustible gas, two ends of the inner container are opened and are vertically arranged in the shell, a section of cavity is formed from the lower end opening of the inner container to the lower end outlet of the shell, and the air outlet end of the air pipeline is communicated with the cavity; the ignition mechanism extends to the inner cavity of the inner container and is used for igniting gas in the inner cavity of the inner container, and an outlet at the lower end of the shell is communicated with a heating well arranged in polluted soil.

The shell comprises an upper shell and a lower shell which are connected with each other, the inner diameter of the upper shell is smaller than that of the lower shell, and the liner is arranged in the lower shell.

An inner container support is arranged in the lower shell, and the inner container is located on the inner container support.

The air outlet end of the air pipeline is arranged on the side wall of the lower shell and communicated with the interior of the lower shell, the air inlet end of the air pipeline is communicated with the outside atmosphere, and air conveyed by the air pipeline enters the cavity through a gap between the lower shell and the liner support.

The device also comprises a polluted gas pipeline communicated with the cavity, wherein the gas outlet end of the polluted gas pipeline is arranged on the side wall of the lower end of the lower shell, and the gas inlet end of the polluted gas pipeline is communicated with an extraction pipeline arranged in the polluted soil.

The side wall of the upper shell is provided with a through hole, a nut and a screw matched with the nut are fixed on the outer side of the through hole, and the screw can penetrate through the nut and the through hole to penetrate into the upper shell and is used for fixing the ignition mechanism.

The nut is welded and fixed on the outer side of the through hole.

And the air inlet end of the air pipeline and the air inlet end of the polluted gas pipeline are respectively provided with a valve A and a valve B.

The utility model discloses technical scheme has following advantage:

A. the utility model relates to a combustion chamber device is used as the normal position heating unit who pollutes soil thermal desorption system, and combustible gas burns in the inner bag after igniting through ignition mechanism, and the air in the heat heating cavity that the burning produced, the heat that the hot gas flow carried can be absorbed and conduct the heating well that sets up in the contaminated soil and give the soil that receives, and the device structure is simple with the theory of operation, and it is effectual to heat, and easy to operate.

B. The utility model relates to a combustion chamber device still is equipped with the polluted gas pipeline with the cavity intercommunication, and the flammable gaseous pollutants that the extraction pipeline that sets up in polluting soil was taken out and is proposed passes through in the polluted gas pipeline gets into the lower part casing, is lighted by flame, participates in the burning, becomes pollution-free carbon dioxide and water, can also reduce the gas quantity, reaches the purpose of energy saving.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the combustion chamber device of the present invention.

The labels in the figure are as follows:

1-shell, 11-upper shell, 12-lower shell; 2-a gas pipeline; 3-inner container; 4-inner container support; 5-a cavity; 6-air pipe, 61-valve A; 7-a contaminated gas pipeline, 71-a valve B; 8-an ignition mechanism; 9-a through hole; 10-a nut; 20-screw.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the utility model provides a combustion chamber device, which comprises a hollow shell 1, a gas pipeline 2 for conveying combustible gas, a hollow inner container 3 and an air pipeline 6 for providing a combustion space for the combustible gas, wherein two ends of the inner container 3 are opened and are vertically arranged in the shell 1, the gas pipeline 2 is communicated with the inner container 3, a cavity 5 is formed between the lower part of the shell 1 and the inner container 3, and the gas outlet ends of the inner container 3 and the air pipeline 6 are both communicated with the cavity 5; the top of the shell 1 is provided with an ignition mechanism 8, the ignition mechanism 8 extends into the inner container 3 and is used for igniting gas in the inner container 3, and the lower end of the shell 1 is provided with an opening and is communicated with a heating well arranged in the polluted soil. The utility model relates to a combustion chamber device for pollute soil thermal desorption system's normal position heating unit, combustible gas burns in the inner bag after igniting through ignition mechanism, and the air in the heat heating cavity that the burning produced, the heat that the hot gas flow carried can be absorbed and conduct for the soil that receives the pollution by the heater shaft that sets up in the contaminated soil, and the device structure is simple with the theory of operation, and it is effectual to heat, and easy to operate.

Further, the housing 1 includes an upper housing 11 and a lower housing 12, the upper housing 11 is located on the upper portion of the lower housing 12, and the two are connected by welding to form a complete housing. The inner diameter of the upper housing 11 is smaller than the inner diameter of the lower housing 12. The lower shell 12 is internally provided with a liner bracket 4, and the liner 3 is positioned on the liner bracket 4. The liner support 4 is welded and fixed at the bottom of the upper shell 11, so that the liner 3 and the shell 1 keep a stable relative position.

There is the ring flange lower part casing 12 bottom, and the ring flange evenly drills along the circumference, the utility model discloses the device uses bolted connection through hole on the ring flange and heating well outer tube.

The air outlet end of the air pipeline 6 is arranged on the side wall of the lower shell 12, the air inlet end of the air pipeline 6 is communicated with the outside atmosphere, and air conveyed by the air pipeline 6 enters the cavity 5 through a gap between the lower shell 12 and the liner support 4. The air entering the cavity 5 has two functions, namely, the air is used as combustion-supporting gas of fuel gas in the inner container 3 to provide enough fluid for flame, and the air is used as hot air after being heated by the flame in the inner pellet and enters an inner pipe of a heating well arranged in the polluted soil and is conducted to the polluted soil.

The device also comprises a polluted gas pipeline 7 communicated with the cavity 5, wherein the gas outlet end of the polluted gas pipeline 7 is arranged on the side wall of the lower shell 12 where the cavity 5 is arranged and is communicated with the cavity 5, and the gas inlet end of the polluted gas pipeline is communicated with an extraction pipeline arranged in the polluted soil. Combustible pollution gas extracted by an extraction pipeline arranged in the polluted soil enters the lower shell 12 through the pollution gas pipeline 7, is ignited by flame and participates in combustion to become pollution-free carbon dioxide and water, the gas consumption can be reduced, and the purpose of saving energy is achieved.

A through hole 9 is arranged on the side wall of the upper shell 11, a nut 10 and a screw 20 matched with the nut 10 are arranged on the outer side of the through hole 9, and the nut 10 is fixed on the outer side of the through hole 9 in a welding mode. A screw 20 can be inserted through the nut 10 and the through hole 9 into the upper housing 11 for fixing the ignition mechanism 8.

The inner container 3 is made of high-temperature resistant materials, high-aluminum refractory bricks are selected in the embodiment, the refractoriness is more than 1700 degrees, and the shell, the inner container bracket and the pipeline communicated with the shell are made of high-quality carbon steel. The air inlet end of the air pipeline 6 and the air inlet end of the polluted gas pipeline 7 are respectively provided with a manual valve A61 and a manual valve B71.

The utility model discloses combustion chamber device, structure and theory of operation are simple, and it is effectual to heat, and easy to operate has better spreading value.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The combustion chamber device is characterized by comprising a hollow shell (1), a hollow inner container (3) and an air pipeline (6), wherein the hollow inner container (3) provides a combustion space for combustible gas, two ends of the inner container (3) are opened and are vertically arranged in the shell (1), the lower end opening of the inner container (3) forms a section of cavity (5) to the lower end outlet of the shell (1), and the air outlet end of the air pipeline (6) is communicated with the cavity (5); the top inboard of casing (1) is equipped with ignition mechanism (8), ignition mechanism (8) extend to the inner chamber of inner bag (3) is used for lighting the gas of inner bag (3) inner chamber, the lower extreme export of casing (1) communicates with the heating well that sets up in polluting soil.

2. The combustion chamber arrangement as claimed in claim 1, characterized in that the casing (1) comprises an upper casing (11) and a lower casing (12) connected to each other, the upper casing (11) having a smaller inner diameter than the lower casing (12), the inner container (3) being arranged in the lower casing (12).

3. The combustion chamber arrangement as claimed in claim 2, characterized in that a liner support (4) is provided in the lower housing (12), the liner (3) being located on the liner support (4).

4. A combustion chamber device according to claim 3, characterized in that the air outlet end of the air duct (6) is arranged on the side wall of the lower casing (12) and is communicated with the interior of the lower casing (12), the air inlet end of the air duct (6) is communicated with the outside atmosphere, and the air delivered by the air duct (6) enters the cavity (5) through the gap between the lower casing (12) and the liner support (4).

5. A combustion chamber arrangement according to any of the claims 1-4, characterized in that the arrangement further comprises a contaminated gas duct (7) communicating with the cavity (5), the outlet end of the contaminated gas duct (7) being arranged on the lower end side wall of the lower housing (12), the inlet end of the contaminated gas duct (7) communicating with an extraction duct arranged in the contaminated soil.

6. The combustion chamber arrangement as claimed in claim 5, characterized in that the upper housing (11) is provided with a through-opening (9) in its side wall, a nut (10) and a screw (20) adapted to the nut (10) being fastened to the outside of the through-opening (9), the screw (20) being insertable through the nut (10) and the through-opening (9) into the upper housing (11) for fastening the ignition means (8).

7. The combustion chamber arrangement as claimed in claim 6, characterized in that the nut (10) is welded on the outside of the through-hole (9).

8. The combustion chamber arrangement as claimed in claim 5, characterised in that the inlet end of the air duct (6) and the inlet end of the pollutant gas duct (7) are provided with a valve A (61) and a valve B (71), respectively.