CN212713341U

CN212713341U - Automatic purified gas diffusing device

Info

Publication number: CN212713341U
Application number: CN202021042328.7U
Authority: CN
Inventors: 李栋; 袁雪莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-03-16
Anticipated expiration: 2030-06-09

Abstract

The utility model provides an automatic device that diffuses of clean coal gas relates to coal gas diffusion technical field, include: the automatic valve comprises a controller, a main pipeline, a pressure detection device and an automatic valve, wherein the first end of the main pipeline is communicated with a clean gas conveying pipeline, the pressure detection device is arranged on the main pipeline and used for detecting the internal pressure of the main pipeline, the automatic valve is arranged at the second end of the main pipeline and used for opening and closing the second end of the main pipeline, the pressure detection device is connected with the controller in a communication mode through a lead, and the controller is connected with the automatic valve in a communication mode through a lead. So set up, for the mode of water seal among the prior art, through the utility model provides a clean coal gas automatic diffusing device adjusts, and speed is faster, can prevent that coal gas from diffusing for a long time and the waste that lead to need not manual regulation tap and carry out operations such as water injection, operate simple and convenient more, the labour of using manpower sparingly. When the automatic valve is adopted, no water seal is adopted, and the sewage can not be brought out when the coal gas is diffused, thereby not polluting the environment.

Description

Automatic purified gas diffusing device

Technical Field

The utility model relates to a coal gas diffuses technical field, more specifically says, relates to a clean coal gas automatic diffusing device.

Background

The coke factory produces coke by isolating coal from air and heating the coal to 1200 ℃, the industry term is called 'dry distillation', and the coal can produce coke oven gas which is another main chemical product besides the coke during the dry distillation process. The transportation and purification of coke oven gas are essential steps for the production of coke-oven plants. The coke oven gas can only reach the use requirement of a user after being purified, the conveying of the coke oven gas is carried out by taking a blower as a power source through a pipeline, so that the pressure of the gas in the conveying pipeline is required to be stable, and the automatic purified gas diffusing device is arranged on the purified gas conveying pipeline and has the function of adjusting the pressure in the purified gas conveying pipeline in time.

In the prior art, a bleeding device usually uses a water seal mode to ensure the stability and safety of gas pressure, if the gas pressure is less than the water seal resistance, gas is normally conveyed without bleeding, and if the gas pressure is greater than the water seal resistance, gas breaks the water seal resistance and is diffused, so as to ensure the safety of a gas system. The disadvantages are that: when the gas pressure is high, a large amount of sewage is brought out when the gas is diffused, so that the liquid level of the water seal is reduced, when the gas pressure is normal, the water seal cannot play a role in blocking the gas in time, and manual water injection operation is needed at the moment to ensure that the pressure is normal because the gas is not diffused any more. The process of manual water injection is less than ten minutes and more than dozens of minutes, and the coal gas is diffused in the process to cause waste. According to the heating system of the coke oven, the coal gas pressure is high once every 30 minutes for exchange, the diffusing device needs to diffuse once and inject water once, which not only causes coal gas waste, but also causes the sprayed sewage to pollute the surrounding environment.

Therefore, how to solve the problems that the old gas diffusing device is easy to waste gas and pollute and is inconvenient to use is a problem that needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a clean gas automatic diffusing device which can avoid wasting gas and is convenient to use.

In order to solve the above problem, the utility model provides an automatic device that diffuses of clean coal gas, include: the automatic valve comprises a controller, a main pipeline, a pressure detection device and an automatic valve, wherein the first end of the main pipeline is communicated with a clean gas conveying pipeline, the pressure detection device is arranged on the main pipeline and used for detecting the internal pressure of the main pipeline, the automatic valve is arranged at the second end of the main pipeline and used for opening and closing the second end of the main pipeline, the pressure detection device is connected with the controller in a communication mode through a lead, and the controller is connected with the automatic valve in a communication mode through a lead.

Preferably, the exhaust device further comprises a barrel, the top of the barrel is provided with an exhaust funnel communicated with the inside of the barrel, a check ring for dividing the barrel into an upper part and a lower part is arranged inside the barrel, the check ring is connected with the inner side wall of the barrel, the check ring is provided with a communicating pipe for communicating the upper part and the lower part, the communicating pipe is positioned below the check ring, the second end of the main pipeline is communicated with the inside of the exhaust funnel and the inside of the barrel through a pipeline, the automatic valve is arranged on the pipeline communicated with the exhaust funnel, the connecting position of the main pipeline and the barrel is positioned below the check ring, the barrel is provided with a water inlet for adding water into the barrel, and the water inlet is positioned below the check ring.

Preferably, the cylinder body is further provided with a water outlet for draining water, and the water outlet is positioned below the water inlet.

Preferably, the number of the water outlets is multiple, the water outlets are distributed along the axial direction of the barrel, and each water outlet is provided with an adjusting valve.

Preferably, a main pipeline switching valve is arranged on a pipeline of the main pipeline, which is used for being connected with the cylinder, and the main pipeline switching valve is positioned at the downstream of the pipeline of the main pipeline, which is connected with the exhaust funnel, in the running direction of the coal gas.

Preferably, the pressure detection device is a pressure transmitter.

Preferably, the pressure transmitter is in communication with the main conduit through a connecting tube.

Preferably, a switch valve is arranged on the connecting pipe.

Preferably, the automatic valve is an electrically operated valve.

Preferably, the controller is a PID controller.

The utility model provides an among the technical scheme, a clean coal gas automatic diffusing device, include: the automatic valve comprises a controller, a main pipeline, a pressure detection device and an automatic valve, wherein the first end of the main pipeline is communicated with a clean gas conveying pipeline, the pressure detection device is arranged on the main pipeline and used for detecting the internal pressure of the main pipeline, the automatic valve is arranged at the second end of the main pipeline and used for opening and closing the second end of the main pipeline, the pressure detection device is connected with the controller in a communication mode through a lead, and the controller is connected with the automatic valve in a communication mode through a lead. During the use, the main line first end communicates with the pipeline of clean coal gas, and preset the diffuse value through the controller, pressure detection device transmits the pressure value in with the main line (be the pressure value in the pipeline of clean coal gas promptly) to the controller, the controller judges the big or small relation of received pressure value and diffuse value, when received pressure value is higher than diffuse value, controller control automatic valve is opened, clean coal gas pipeline outwards releases coal gas through the main line, in order to guarantee conveying system's pressure stability, when the controller judges that received pressure value is less than diffuse value, controller control automatic valve is closed. So set up, for the mode of water seal among the prior art, through the utility model provides a clean coal gas automatic diffusing device adjusts, and speed is faster, can prevent that coal gas from diffusing for a long time and the waste and the pollution that lead to need not manual regulation tap and carry out operations such as water injection, operate simple and convenient more, the labour of using manpower sparingly. By adopting the automatic valve, the sewage can not be brought out when the coal gas is diffused, and the environment can not be polluted.

Drawings

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

FIG. 1 is a schematic structural view of an automatic purified gas diffusing device according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of an automatic purified gas diffusing device according to a second embodiment of the present invention.

In fig. 1-2:

1. a controller; 2. a delivery conduit; 3. a main pipeline; 4. a barrel; 5. an exhaust funnel; 6. a retainer ring; 7. a communicating pipe; 8. a water inlet; 9. a water outlet; 10. a pressure transmitter; 11. a connecting pipe; 12. an automatic valve; 13. a main pipeline switch valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1, the first embodiment of the present invention provides an automatic purified gas diffusing device, which includes a controller 1, a main pipeline 3, a pressure detecting device, and an automatic valve 12. Wherein, main pipe 3 first end is used for the pipeline 2 intercommunication with clean coal gas, and pressure measurement sets up on main pipe 3 to detect the inside pressure of main pipe 3, because main pipe 3 and pipeline 2 intercommunication, so the pressure in main pipe 3 is unanimous with the pressure in the pipeline 2. An automatic valve 12 is arranged at the second end of the main conduit 3 to open and close the orifice of the second end of the main conduit 3. As shown in fig. 1, the second end of the main pipe 3 is communicated with the outside through an exhaust funnel 8 in order to reach the emission standard, so as to guide the gas to the high altitude. The pressure detection device is communicably connected to the controller 1 by a wire to transmit the detected pressure value in the main line 3 to the controller 1, and the controller 1 is communicably connected to the automatic valve 12 by a wire to control the automatic valve 12 to open and close.

During the use, the first end of main pipeline 3 communicates with pipeline 2 of clean coal gas, and preset a diffusion value through controller 1, pressure detection device transmits the pressure value in main pipeline 3 (be the pressure value in pipeline 2 of clean coal gas promptly) to controller 1, controller 1 judges the big or small relation of received pressure value and diffusion value, when received pressure value is higher than diffusion value, controller 1 control automatic valve 12 opens, pipeline 2 of clean coal gas outwards releases coal gas through main pipeline 3, with the pressure stability of guaranteeing conveying system, when controller 1 judges that received pressure value is less than diffusion value, controller 1 control automatic valve 12 closes. So set up, for the mode of water seal among the prior art, through the utility model provides a clean coal gas automatic diffusing device adjusts, and speed is faster, can prevent that coal gas from diffusing for a long time and leading to clean coal gas extravagant to need not manual regulation tap and carry out operations such as water injection, operate simple and convenient more, the labour of using manpower sparingly. And water seal is not adopted, so that sewage cannot be brought out when the coal gas is diffused, and the environment cannot be polluted.

Alternatively, the pressure sensing device is a pressure transmitter 10, and the pressure transmitter 10 can convert the sensed gas pressure parameter into a standard electrical signal and transmit it to the controller. It should be noted that the pressure transmitter 10 belongs to a prior art product, which is commercially available and will not be described in detail with respect to its structural principle. Referring to fig. 1, a pressure transmitter 10 is mounted on a main pipe 3 through a connection pipe 11, and communicates with the main pipe 3 through the connection pipe 11. The connection pipe 11 is provided with a switching valve, which may be a gate valve, a needle valve, or a ball valve, for example, which is dedicated to the instrument, so that the switching valve can be closed when the pressure transmitter 10 is replaced or maintained to prevent gas leakage.

Optionally, the automatic valve 12 is an electric valve, and it should be noted that the electric valve belongs to the prior art product and can be purchased from the market, for example, the electric valve can be an electric gate valve, an electric ball valve or an electric flap valve, which mainly uses a motor to rotate to drive a valve core to displace so as to control the valve state.

Alternatively, the controller 1 may be a PID controller. The PID controller can input a preset value, i.e., a diffusion value in this embodiment, by a user, the pressure transmitter 10 is connected with an input device controlled by the PID through a wire to input the acquired pressure signal into the PID controller, an output device of the PID controller is connected with the electric valve through a wire to control the action of the electric valve, and the PID controller can also receive a feedback signal of the electric valve. It should be noted that the PID controller is also a prior art product, and can be purchased from the market, and the description of the structural principle is omitted. In addition, the signal output by the pressure transmitter 10 can be transmitted to a production Distributed Control System (DCS System) of a central Control room in addition to the PID controller, and can be remotely monitored and controlled by a worker in the central Control room.

Referring to fig. 2, in a second embodiment of the present invention, an automatic purified gas diffusing device is further provided, which is different from the above embodiments, the automatic purified gas diffusing device in this embodiment further includes a cylinder 4, for example, the cylinder 4 is a cylinder. The top of the cylinder body 4 is provided with an exhaust funnel 5 communicated with the inside of the cylinder body 4, and the inside of the cylinder body 4 is provided with a check ring 6 dividing the cylinder body 4 into an upper part and a lower part. The retaining ring 6 is connected with the inner side wall of the cylinder 4, the retaining ring 6 is provided with a communicating pipe 7 for communicating the upper part and the lower part, and the communicating pipe 7 is positioned below the retaining ring 6. The second end of the main pipeline 3 is respectively communicated with the inside of the exhaust funnel 5 and the inside of the barrel 4 through pipelines. Wherein, the automatic valve 12 is arranged on a pipeline for communicating the main pipeline 3 with the exhaust funnel 5, and the connecting position of the main pipeline 3 and the cylinder 4 is positioned below the retainer ring 6. The barrel 4 is provided with a water inlet 8 for adding water into the barrel 4, and the water inlet 8 is positioned below the retainer ring 6.

When the gas purifier is used, water is added into the cylinder 4, the water level is higher than the lower end of the communicating pipe 7, when the pressure in the clean gas conveying pipeline 2 is overlarge, the clean gas enters the cylinder 4 through the main pipeline 3 to burst the water in the cylinder 4, and meanwhile, the water in the cylinder 4 is pressed out from the exhaust funnel 5, namely, the clean gas and the water are sprayed out from the exhaust funnel together, so that the effect of diffusion is achieved. In the specific use, can set up the diffusion value that controller 1 predetermines to be slightly less than the pressure value of barrel 4 internal water, can utilize automatic valve 12 to diffuse at ordinary times like this, and barrel 4's water seal diffusion mode is as a safeties, and when the power failure or circuit fault scheduling problem and lead to automatic valve 12 can't open the diffusion, the water that clean coal gas can break barrel 4 in can be followed and diffused in exhaust stack 5 to guarantee clean coal gas conveying system's safety.

Optionally, a water outlet 9 for draining water is further arranged on the barrel 4, the water outlet 9 is positioned below the water inlet 8, and by arranging the water outlet 9, the water level in the barrel 4 can be controlled, namely, when the water level in the barrel 4 reaches the height of the water outlet 9, the water is not increased from the outside of the water outlet. Certainly, in order to achieve the effect of adjusting the height of the water level in the barrel 4 in multiple stages, the number of the water outlets 9 may be multiple, the water outlets 9 are distributed along the axial direction of the barrel 4, and each water outlet 9 is provided with an adjusting valve, so that the water level in the barrel 4 is controlled at the height position of the adjusting valve by opening the corresponding adjusting valve. So set up for can set up not co-altitude water level in the barrel 4, thereby reach the water seal effect of different pressure, for example, the higher the water level is, just can break the water seal and discharge from aiutage 5 when the pressure in the pipeline 2 is great. The regulating valve at the water outlet 9 can be a gate valve, a stop valve, a ball valve or the like.

Optionally, a main pipeline switching valve 13 is arranged on the pipeline of the main pipeline 3 for connecting with the barrel 4, and the main pipeline switching valve 13 is positioned at the downstream of the pipeline of the main pipeline 3 connected with the exhaust funnel 5 in the direction of gas running. The main pipeline switching valve 13 can be a gate valve or a ball valve, and the main pipeline switching valve 13 can be closed when a water seal mode is not used, and only the automatic valve 12 is used for releasing, for example, when a water seal part structure is maintained or when the water seal is easily frozen and blocked when the temperature is low in winter.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic purified gas diffusing device is characterized by comprising: the gas transmission device comprises a controller (1), a main pipeline (3) with a first end communicated with a clean gas transmission pipeline (2), a pressure detection device arranged on the main pipeline (3) and used for detecting the internal pressure of the main pipeline (3), and an automatic valve (12) arranged at a second end of the main pipeline (3) and used for opening and closing the second end of the main pipeline (3), wherein the pressure detection device is connected with the controller (1) in a communication mode through a lead, and the controller (1) is connected with the automatic valve (12) in a communication mode through a lead.

2. The automatic purified gas diffusing device according to claim 1, further comprising a barrel (4), wherein an exhaust funnel (5) communicated with the inside of the barrel (4) is arranged at the top of the barrel (4), a check ring (6) dividing the barrel (4) into an upper portion and a lower portion is arranged inside the barrel (4), the check ring (6) is connected with the inner side wall of the barrel (4), a communicating pipe (7) communicating the upper portion and the lower portion is arranged on the check ring (6), the communicating pipe (7) is located below the check ring (6), the second end of the main pipeline (3) is respectively communicated with the inside of the exhaust funnel (5) and the inside of the barrel (4) through a pipeline, the automatic valve (12) is arranged on the pipeline communicating the main pipeline (3) and the exhaust funnel (5), and the connecting position of the main pipeline (3) and the barrel (4) is located below the check ring (6), the water inlet (8) used for adding water into the barrel (4) is formed in the barrel (4), and the water inlet (8) is located below the check ring (6).

3. The automatic purified gas diffusing device according to claim 2, wherein a water outlet (9) for draining water is further provided on the barrel (4), and the water outlet (9) is located below the water inlet (8).

4. The automatic purified gas diffusing device according to claim 3, wherein the number of the water outlets (9) is plural, the plural water outlets (9) are distributed along the axial direction of the cylinder (4), and each water outlet (9) is provided with a regulating valve.

5. The automatic purified gas diffusing device according to claim 2, wherein a main pipeline switch valve (13) is disposed on a pipeline of the main pipeline (3) for connecting with the barrel (4), and the main pipeline switch valve (13) is located downstream of a pipeline of the main pipeline (3) connected with the exhaust funnel (5) in a gas running direction.

6. The automatic purified gas diffusing device according to any one of claims 1 to 5, wherein the pressure detecting device is a pressure transmitter (10).

7. The automatic net gas diffusing device according to claim 6, wherein the pressure transmitter (10) is communicated with the main pipeline (3) through a connecting pipe (11).

8. The automatic purified gas diffusing device according to claim 7, wherein the connecting pipe (11) is provided with a switch valve.

9. The net gas automatic dispersing device according to any of the claims 1 to 5, characterized in that the automatic valve (12) is an electric valve.

10. The net gas automatic dispersing device according to any of claims 1 to 5, wherein the controller (1) is a PID controller.