阅读说明：本技术 一种高压下易燃易爆气体降温除湿装置 (Inflammable and explosive gas cooling and dehumidifying device under high pressure ) 是由 任焕林 赵洪波 马洪建 刘国洋 张智杰 李炳辉 朱怀广 季永辉 杨峰 赵林燕 于 2019-11-15 设计创作，主要内容包括：本发明公开了一种高压下易燃易爆气体降温除湿装置。所述高压下易燃易爆气体降温除湿装置壳体、挡水板和安装在所述壳体内的至少一翅片式换热器。壳体的一端设置有敞开的进风口,另一端设置有能与抽吸设备、发电机组、取暖机组相连接的出风口。出风口与外接设备连接后,打开外接设备,气体通过进风口,依次经过翅片式换热器和挡风板降温除湿,由出风口排出至外接设备。本高压下易燃易爆气体降温除湿装置可有效地降低通过气体的温度和湿度,对于矿井下环境来讲,降低高温高湿气体对矿工、井下材料和设备的影响；对于发电机组和取暖设备来讲,可以提高燃气利用效率。(The invention discloses a cooling and dehumidifying device for flammable and explosive gas under high pressure. The device comprises a shell of the cooling and dehumidifying device for flammable and explosive gases under high pressure, a water baffle and at least one finned heat exchanger arranged in the shell. One end of the shell is provided with an open air inlet, and the other end of the shell is provided with an air outlet which can be connected with a suction device, a generator set and a heating unit. After the air outlet is connected with external equipment, the external equipment is opened, and gas passes through the air inlet, is cooled and dehumidified by the fin type heat exchanger and the wind shield in sequence, and is discharged to the external equipment from the air outlet. The temperature and humidity of the passing gas can be effectively reduced by the temperature-reducing and dehumidifying device for the flammable and explosive gas under high pressure, and the influence of high-temperature and high-humidity gas on miners, underground materials and equipment is reduced for the underground environment of the mine; for the generator set and the heating equipment, the gas utilization efficiency can be improved.)

1. The utility model provides a flammable explosive gas cooling dehydrating unit under high pressure which characterized in that includes: the device comprises a shell, a water baffle and at least one finned heat exchanger arranged in the shell;

one end of the shell is provided with an open air inlet, and the other end of the shell is provided with an air outlet which can be connected with suction equipment;

the housing includes: the air intake device comprises an air intake body, a main cylinder body and a cover body, wherein the main cylinder body is cylindrical;

the at least one finned heat exchanger is sequentially arranged on an airflow channel between the air inlet and the air outlet, and the periphery of the finned heat exchanger is sealed and blocked with the shell; the windward side of the finned heat exchanger faces the air inlet, and the leeward side of the finned heat exchanger faces the air outlet; a heat exchange medium inlet pipeline and a heat exchange medium outlet pipeline of the finned heat exchanger respectively extend out of the shell from the inside of the shell; the water baffle is arranged on the leeward side of the fin type heat exchanger close to one side of the air outlet; and a condensed water discharge port is arranged in the position, which is opposite to the lower part of the finned heat exchanger, in the shell.

2. The device for cooling and dehumidifying flammable and combustible gas under high pressure according to claim 1, wherein the air inlet body is conical, the air inlet is formed in the small end of the air inlet body, and the large end of the air inlet body is hermetically connected with one end of the main cylinder body;

the cover body is installed at the other end of the main cylinder body in a sealing mode, and the air outlet is formed in the cover body.

3. The device for cooling and dehumidifying flammable and combustible gas under high pressure according to claim 2, wherein the angle α of the air inlet body is 30-130 °.

4. The device for cooling and dehumidifying combustible and explosive gas under high pressure according to claim 2, wherein a flow dividing structure is further arranged at a position facing the air inlet in the air inlet body.

5. The device for cooling and dehumidifying combustible and explosive gas under high pressure according to claim 4, wherein the flow dividing structure is a stainless steel plate body, the stainless steel plate body is installed in the air inlet body, the surface of the stainless steel plate body faces the air inlet, and air passages capable of allowing air flow to pass through are formed in the upper portion and the lower portion of the stainless steel plate body.

6. The device for cooling and dehumidifying flammable and combustible gas under high pressure according to claim 1, further comprising a bracket mounted outside the housing.

7. The device for cooling and dehumidifying flammable and combustible gas under high pressure according to claim 1, wherein a lifting lug is provided at an upper portion of the housing.

8. The device for cooling and dehumidifying combustible and explosive gas under high pressure according to claim 1, wherein the number of the fin heat exchangers is two, and the fin heat exchangers are linearly arranged in the casing.

9. The device for cooling and dehumidifying combustible and explosive gas under high pressure according to claim 1, wherein the air inlet and the air outlet are both circular and are coaxially arranged.

10. The device for cooling and dehumidifying flammable and explosive gases under high pressure according to claim 1, wherein the water baffle is a grid-type blade assembly, and the blades of the grid-type blade assembly are corrugated plates having hook-shaped protrusions.

Technical Field

The invention relates to the technical field of cooling and dehumidification, in particular to a cooling and dehumidification device for flammable and explosive gas under high pressure.

Background

With the increasing depth of coal mining, the wind temperature of many mining working faces exceeds 30 ℃, and gas is generated along with the wind temperature. Generally, the high-temperature mine working place has extremely high humidity, and the relative humidity of air in most places exceeds 80%. High humidity and gas have great influence on physical and mental health and safety of miners, and meanwhile, the corrosion and corrosion of underground materials and equipment can be aggravated, the service life of the underground materials and the equipment can be shortened, and higher requirements on explosion prevention of the equipment can be raised. The existing mine cooling technology focuses on temperature control, and neglects the dehumidification technology, so that more and more mines have the problems of high temperature and high humidity. Meanwhile, the traditional cooling device is a rectangular device, so that the pressure resistance is poor, and the problem that gas is easy to leak under high pressure exists. Along with the higher requirements of the country on energy conservation and environmental protection, the air containing a certain amount of gas discharged from the mine is originally a dangerous gas, becomes a useful gas which can be utilized by enterprises for energy conservation and emission reduction, can be used for generating electricity, and can also be used for heating in winter.

Disclosure of Invention

In view of the defects and shortcomings, the invention provides a cooling and dehumidifying device for flammable and explosive gas under high pressure, which is used for solving the problems that the high-temperature and high-humidity gas under the mine affects the body and mind of miners, the corrosion and corrosion of accelerating equipment shorten the service life of the equipment, the pressure resistance of the device is poor, and the gas is easy to leak.

The invention provides a cooling and dehumidifying device for flammable and explosive gas under high pressure, which comprises: the device comprises a shell, a water baffle and at least one finned heat exchanger arranged in the shell;

one end of the shell is provided with an open air inlet, and the other end of the shell is provided with an air outlet which can be connected with a suction device, a generator set and a heating unit;

the housing includes: the air intake device comprises an air intake body, a main cylinder body and a cover body, wherein the main cylinder body is cylindrical;

the at least one fin heat exchanger is sequentially arranged on an airflow channel between the air inlet and the air outlet, and the periphery of the fin heat exchanger is sealed and blocked with the shell; the windward side of the fin heat exchanger faces the air inlet, and the leeward side of the fin heat exchanger faces the air outlet; a heat exchange medium inlet pipeline and a heat exchange medium outlet pipeline of the finned heat exchanger respectively extend out of the shell from the inside of the shell; the water baffle is arranged on the leeward side of the fin type heat exchanger close to one side of the air outlet; and a condensed water discharge port is arranged in the position, which is opposite to the lower part of the fin heat exchanger, in the shell.

Preferably, the air inlet body is conical, the air inlet is formed in the small end of the air inlet body, and the large end of the air inlet body is hermetically connected with one end of the main cylinder body;

the cover body is installed at the other end of the main cylinder body in a sealing mode, and the air outlet is formed in the cover body.

Further, the cone angle α of the air inlet body is 30-130 degrees.

Furthermore, a shunting structure is further arranged at the position, facing the air inlet, in the air inlet body.

Furthermore, the flow dividing structure is a stainless steel plate body, the stainless steel plate body is installed in the air inlet body, the surface of the stainless steel plate body is opposite to the air inlet, and air passages capable of allowing air flow to pass through are formed in the upper portion and the lower portion of the stainless steel plate body.

Preferably, the underground gas cooling and dehumidifying device further comprises a bracket mounted outside the housing.

Preferably, the upper portion of the housing is provided with a lifting lug.

Preferably, the number of the fin heat exchangers is two, and the fin heat exchangers are arranged in the shell in a straight line.

Preferably, the air inlet and the air outlet are both circular and are coaxially arranged.

Preferably, the water baffle is a grid type blade group, and the blades of the grid type blade group are corrugated plates with hook-shaped protrusions.

As mentioned above, after the air outlet is connected with the suction device, the generator set and the heating unit, the suction device, the generator set and the heating unit are opened, the gas passes through the air inlet, is cooled and dehumidified through the fin type heat exchanger and the wind shield, the condensed water is discharged out of the shell through the condensed water discharge port, and the gas after being cooled and dehumidified is discharged to the outside through the air outlet and the suction device, or is used for generating power and heating through the generator set and the heating unit.

The cooling and dehumidifying device for flammable and explosive gas under high pressure can effectively reduce the temperature and humidity of passing gas, and reduce the influence of high-temperature and high-humidity gas on miners, underground materials and equipment. When the generator set and the heating unit operate, gas leakage is avoided, and the safe operation environment of the equipment is improved; and the operation efficiency of the equipment is improved through dehumidification.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the underground gas cooling and dehumidifying device;

FIG. 2 is a front view of the gas cooling and dehumidifying apparatus for gas mines;

FIG. 3 is a cross-sectional view taken along line M-M;

FIG. 4 is a cross-sectional view taken at P-P;

FIG. 5 is a front view of the splash plate;

FIG. 6 is a sectional view of the splash plate N-N.

Description of the element reference numerals

100 case

101 air inlet body

102 main cylinder

103 cover body

111 air inlet

112 flow dividing structure

121-fin type heat exchanger

122 water baffle

Upper fixing plate of 123 fin type heat exchanger

Lower sealing plate of 124-fin heat exchanger

125 condensed water discharge port

126 heat exchange medium outlet pipe

127 heat exchange medium inlet pipe

131 air outlet

201 lifting lug

202 support

300 corrugated plate

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

As shown in fig. 1 to 6, the present invention provides a cooling and dehumidifying device for flammable and explosive gas under high pressure, comprising: the heat exchanger comprises a shell 100, a water baffle 122 and at least one fin type heat exchanger 121 (two fins in the embodiment) installed in the shell 100, wherein the two fin type heat exchangers 121 are linearly arranged in the shell 100; one end of the housing 100 is provided with an open air inlet 111, and the other end is provided with an air outlet 131 capable of being connected with a suction device; the two finned heat exchangers 121 are sequentially installed on an airflow loop between the air inlet 111 and the air outlet 131 through an upper finned heat exchanger fixing plate 123 and a lower finned heat exchanger sealing plate 124, and the peripheries of the two finned heat exchangers are sealed and blocked with the shell 100; the windward side of the finned heat exchanger 121 faces the air inlet 111, and the leeward side faces the air outlet 131; a heat exchange medium inlet pipeline 127 and a heat exchange medium outlet pipeline 126 of the finned heat exchanger 121 respectively extend out of the shell 100 from the inside of the shell 100, the inlet pipeline is arranged at the lower part, the outlet pipeline is arranged at the upper part, and the heat exchange medium can be water and other substances used for heat exchange; the water baffle 122 is arranged on the leeward side of the finned heat exchanger 121 close to one side of the air outlet 131; a condensed water discharge port 125 is formed in the casing 100 at a position facing the lower portion of the fin heat exchanger 121.

As described above, after the air outlet 131 is connected to the suction device, the generator set, and the heating unit, the suction device, the generator set, and the heating unit are opened, the air passes through the air inlet 111, is cooled and dehumidified by the fin heat exchanger 121 and the wind shield 122, the condensed water is discharged out of the casing 100 through the condensed water discharge port 125, and the cooled and dehumidified air is discharged to the outside through the air outlet 131 and the air draft device, or is used for generating electricity and heating by the generator set and the heating unit. The invention effectively reduces the temperature and the humidity of the passing gas and reduces the influence of high-temperature and high-humidity gas on miners, underground materials and equipment. When the generator set and the heating unit operate, gas leakage is avoided, and the safe operation environment of the equipment is improved; and the operation efficiency of the equipment is improved through dehumidification.

The shell 100 comprises an air inlet body 101, a main cylinder body 102 and a cover body 103, wherein the main cylinder body 102 is cylindrical and made of a steel plate, the air inlet body 101 is not deformed and air-tight in a 10000Pa environment, the air inlet body 101 is conical, a cone angle α can be 30-130 degrees, the air speed is stable in the range of the cone angle, local eddy is small, the cone angle α is 36 degrees in the embodiment, an air inlet 111 is arranged at the small end of the air inlet body 101, the large end of the air inlet body 101 is connected with one end of the main cylinder body 102 in a sealing mode, a flow dividing structure 112 is arranged in the position, facing the air inlet 111, of the air inlet body 101, the flow dividing structure can be any structure capable of dividing air flow to prevent air flow from directly rushing into a fin type heat exchanger, preferably, the flow dividing structure 112 is a stainless steel plate body which is arranged in the air inlet body, the stainless steel plate body is arranged in the air inlet body, the plate face of the air inlet body 111, the upper portion and the lower portion of the stainless steel plate body are both provided with air ducts capable of allowing air flow to pass through, the flow dividing structure 112 can directly impact on a flow dividing plate after air flow into the air flow, a dust or dust can be attached to the main cylinder body 103, the main cylinder body 102, the main cylinder body is arranged on the cover body, the main.

The conical air inlet body 101 is matched with the shunting structure 112 in the embodiment, so that the passing speed of the air flow can be reduced, water drops caused by high speed can be prevented from being carried into the finned heat exchanger 121 secondarily, impact of the air flow and particles in the air flow on the finned heat exchanger 121 can be effectively reduced, and the service life of the finned heat exchanger 121 is prolonged.

In order to facilitate the placement of the device of the present invention, a bracket 202 is connected to the lower portion of the housing 100, and a lifting lug 201 is provided at the upper portion of the housing.

After the temperature of the gas is reduced and the gas is dehumidified by the double-fin heat exchanger 121, when the gas enters the water baffle 122, the wind speed is reduced, and the water floating efficiency of the water baffle 122 is improved; the water baffle of the present invention may be a conventional water baffle structure, and preferably, the water baffle in this embodiment is a grid-type blade set, and the blades of the grid-type blade set are corrugated plates 300 having hook-shaped protrusions.

It should be noted that, the specific connection manner between the above components in the present invention is a common connection means, and is not described herein again.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.