CN218845276U

CN218845276U - Automatic sewage discharging device for gas cooler outlet pipeline

Info

Publication number: CN218845276U
Application number: CN202223175789.3U
Authority: CN
Inventors: 饶冬; 梁中红; 郭威; 朱智; 李配; 汤炎锦
Original assignee: China Petroleum and Chemical Corp; Sinopec Southwest Oil and Gas Co
Current assignee: China Petroleum and Chemical Corp; Sinopec Southwest Oil and Gas Co
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-04-11
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses an automatic blowdown device for an outlet pipeline of a gas cooler, which not only controls the opening and closing of a valve core through the lifting of a buoyancy piece in liquid in a liquid storage tank so as to control whether the blowdown outlet discharges liquid or not and realize automatic blowdown; the valve core is designed to be always positioned below the liquid level, so that the sewage discharge outlet can be liquid-sealed through liquid, and process gas leakage during sewage discharge is avoided; meanwhile, the automatic sewage draining device can be designed into different sizes according to actual needs, and is simple in connection with a pipeline and convenient to manufacture and install; therefore, the automatic blowdown device is simple in structure, good in practicability and low in cost, and is suitable for large-scale application in application scenes that no gas-liquid separation device is arranged on the gas cooler outlet pipeline or the gas cooler outlet pipeline needs automatic blowdown to prevent liquid deposition.

Description

Automatic blowdown device for gas cooler outlet pipeline

Technical Field

The utility model relates to a sewage discharging equipment field, in particular to automatic waste fitting discharging of gas cooler outlet line.

Background

Gas coolers are widely used in various industrial plants for reducing the temperature of process gas, but the gas often contains some components (such as water, heavy hydrocarbons and the like) which are easy to separate out and form liquid at low temperature, and a large amount of liquid is deposited in an outlet pipeline of the cooler after the gas cooler is operated for a long time, so that the flow area of the pipeline is reduced, the flow resistance is increased, and meanwhile, the corrosion of the pipeline is accelerated by the liquid (such as water) deposited in the pipeline.

At present, a manual drain valve is usually arranged at an outlet air pipe of a gas cooler to perform unscheduled manual liquid drainage, or a separator is arranged behind the cooler to separate liquid formed after cooling. The manual blow-down valve is arranged, so that the blow-down valve is easy to block, online automatic blow-down cannot be realized, the problem of accumulated liquid of an outlet pipeline still exists, and the risk that process gas flows out along with a blow-down port cannot be prevented in the blow-down process; the separator is arranged behind the cooler, so that the complexity of the process and the equipment investment are increased, and the method is suitable for large-scale gas cooling or processes with toxic and explosive process media.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to: aiming at the defects of the sewage discharge device arranged at the outlet air pipe of the existing gas cooler, the automatic sewage discharge device for the outlet pipeline of the gas cooler is provided.

In order to realize the purpose, the utility model discloses a technical scheme be:

an automatic blowdown device for an outlet pipeline of a gas cooler comprises an inlet pipeline, an outlet pipeline and a control assembly; the inlet pipeline and the outlet pipeline are sequentially communicated with an outlet pipeline of the gas cooler along the gas flowing direction; the control assembly comprises a buoyancy piece, a connecting rod, a valve core, a sewage discharge outlet and a liquid storage tank; one end of the liquid storage tank is connected with the inlet pipeline, and the other end of the liquid storage tank is connected with the outlet pipeline; the buoyancy piece is arranged in the liquid storage tank and is fixedly connected with the valve core through a connecting rod, and the buoyancy piece controls the valve core to be opened and closed under the buoyancy action of liquid in the liquid storage tank; the valve core is arranged on the sewage discharge outlet, the sewage discharge outlet is arranged on the liquid storage tank, the valve core is opened and closed to control the opening and closing of the sewage discharge outlet, and the valve core is always positioned below the liquid level of the liquid storage tank.

The utility model relates to an automatic blowdown device of an outlet pipeline of a gas cooler, which not only controls the opening and closing of a valve core through the lifting of a buoyancy piece in liquid storage tank in the buoyancy of liquid, thereby controlling whether the blowdown outlet discharges liquid or not and realizing automatic blowdown; the valve core is designed to be always positioned below the liquid level, so that the sewage discharge outlet can be liquid-sealed through liquid, and process gas leakage during sewage discharge is avoided; meanwhile, the automatic sewage draining device can be designed into different sizes according to actual needs, and is simple in connection mode with pipelines and convenient to manufacture and install; therefore, the automatic blowdown device is simple in structure, good in practicability and low in cost, and is suitable for large-scale application in application scenes that no gas-liquid separation device is arranged on the gas cooler outlet pipeline or the gas cooler outlet pipeline needs automatic blowdown to prevent liquid deposition.

Preferably, an inlet valve is further installed on the inlet pipeline; an outlet valve is also arranged on the outlet pipeline; through the setting of inlet valve and outlet valve, can control whether automatic waste fitting discharging carries out work to overhaul.

Wherein, preferably, the sewage discharge outlet is also provided with a sewage discharge valve; whether automatic pollution discharge is carried out or not can be controlled, and the automatic pollution discharge is converted into manual pollution discharge so as to adapt to the requirements of different scenes and time periods, and the application range is wider.

Preferably, the inlet pipeline is also provided with a filtering device; can filter impurities, thereby avoiding the influence of the impurities on the automatic sewage discharge function of the sewage discharge outlet.

Wherein, preferably, the filtering device is detachably arranged on the inlet pipeline; the detachable setting is convenient for change the filter core, and automatic waste fitting discharging's life is longer.

Preferably, the control assembly further comprises a positioning member, and the positioning member is used for limiting the valve core to be always positioned on the sewage discharge outlet; through setting up the setting element, prescribe a limit to the motion of case, guarantee the normal action of case.

Wherein, preferably, the inlet pipeline and the outlet pipeline are detachably connected with the outlet pipeline of the gas cooler; the automatic sewage draining device is convenient to mount and dismount.

Wherein, preferably, the inlet pipeline and the outlet pipeline are connected with the outlet pipeline of the gas cooler through threads or flanges; the preferred connection mode, it is more convenient to dismantle and install, and speed is faster.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses automatic waste fitting discharging passes through the switch of the lift control case of buoyancy in liquid of buoyancy spare in the reservoir to whether control blowdown export carries out the flowing back, realizes automatic blowdown.

2. The utility model discloses automatic waste fitting discharging's case is located under the liquid level all the time, through liquid with blowdown export liquid seal, process gas reveals when having avoided the blowdown.

3. The utility model discloses automatic waste fitting discharging can design for not unidimensional according to actual need, and simple with the pipeline connection mode, is convenient for make the installation.

4. The utility model discloses automatic waste fitting discharging only needs small transformation to the gas cooler outlet line that does not have automatic waste fitting discharging to install the device additional and carry out automatic blowdown.

5. The utility model discloses automatic waste fitting discharging simple structure, practicality are good, and low cost is fit for not having gas-liquid separation device or gas cooler outlet line at gas cooler outlet line and need carry out automatic blowdown and prevent that liquid deposition's application scene is extensive applied.

Drawings

Fig. 1 is a schematic view of an initial state structure of an automatic sewage draining device in embodiment 1 of the present invention.

Fig. 2 is a structural schematic view of a blowdown state of the automatic blowdown apparatus in embodiment 1 of the present invention.

The labels in the figure are: 1-inlet pipeline, 2-inlet valve, 3-filtering device, 4-control component, 401-buoyancy element, 402-connecting rod, 403-valve core, 404-blowdown outlet, 405-positioning element, 406-liquid storage tank, 5-blowdown valve, 6-outlet valve, 7-outlet pipeline and 8-gas cooler outlet pipeline.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1:

an automatic blowdown device (figure 1) of a gas cooler outlet pipeline is composed of an inlet pipeline 1, an outlet pipeline 7 and a control assembly 4; wherein, the inlet pipeline 1 and the outlet pipeline 7 are communicated with an outlet pipeline 8 of the gas cooler sequentially through flanges along the gas flowing direction; an inlet valve 2 and a filtering device 3 are arranged on the inlet pipeline 1, and the filtering device 3 is detachable; an outlet valve 6 is also arranged on the outlet pipeline 7; the control assembly 4 consists of a buoyancy member 401, a connecting rod 402, a valve core 403, a sewage discharge outlet 404, a positioning member 405 and a reservoir 406; one end of the reservoir 406 is connected with the inlet pipeline 1, and the other end is connected with the outlet pipeline 7; the buoyancy member 401 is arranged in the reservoir 406 and is fixedly connected with the valve core 403 through the connecting rod 402, and the buoyancy member 401 controls the valve core 403 to open and close under the buoyancy action of the liquid in the reservoir 406; the valve core 403 is arranged on the sewage discharge outlet 404 through a positioning piece 405, the opening and closing of the sewage discharge outlet 404 are controlled through the opening and closing of the valve core 403, and the valve core 403 is always positioned below the liquid level of the liquid storage tank 406; the waste outlet 404 is arranged on the sump 406, and a waste valve 5 is also arranged on the waste outlet 404.

The automatic pollution discharge principle: the liquid in the outlet pipeline 8 of the gas cooler enters from the inlet valve 2 on the inlet pipeline 1, is filtered by the filter device 3 and then enters the liquid storage tank 406, the liquid is deposited at the bottom of the liquid storage tank 406, and the gas returns to the outlet pipeline 8 of the gas cooler through the outlet valve 6 on the outlet pipeline 7; after a certain amount of liquid is deposited in the liquid storage tank 406, the buoyancy element 401 rises along with the liquid level, the connecting rod 402 drives the connected valve core 403 to open (fig. 2), the liquid is discharged through the sewage discharge outlet 404, the liquid level in the liquid storage tank 406 descends, and after the buoyancy element 401 falls to a certain position, the valve core 403 is accurately returned to the initial position under the action of the positioning element 405, so that the sewage discharge outlet 404 is closed, and sewage discharge is finished.

Example 2:

an automatic blowdown device for an outlet pipeline of a gas cooler comprises an inlet pipeline 1, an outlet pipeline 7 and a control assembly 4; the inlet pipeline 1 and the outlet pipeline 7 are communicated with an outlet pipeline 8 of the gas cooler sequentially through threads along the gas flowing direction; an inlet valve 2 is arranged on the inlet pipeline 1; an outlet valve 6 is also arranged on the outlet pipeline 7; the control assembly 4 consists of a buoyancy member 401, a connecting rod 402, a valve core 403, a sewage discharge outlet 404, a positioning member 405 and a reservoir 406; one end of the reservoir 406 is connected with the inlet pipeline 1, and the other end is connected with the outlet pipeline 7; the buoyancy element 401 is arranged in the reservoir 406 and is fixedly connected with the valve core 403 through a connecting rod 402, and the buoyancy element 401 controls the valve core 403 to open and close under the buoyancy action of liquid in the reservoir 406; the valve core 403 is arranged on the sewage discharge outlet 404 through a positioning piece 405, the opening and closing of the sewage discharge outlet 404 are controlled through the opening and closing of the valve core 403, and the valve core 403 is always positioned below the liquid level of the liquid storage tank 406; the blowdown outlet 404 is disposed on the sump 406.

The automatic pollution discharge principle is as follows: the liquid in the gas cooler outlet pipeline 8 enters the liquid storage tank 406 from the inlet valve 2 on the inlet pipeline 1, the liquid is deposited at the bottom of the liquid storage tank 406, and the gas returns to the cooler outlet pipeline 8 through the outlet valve 6 on the outlet pipeline 7; after a certain amount of liquid is deposited in the liquid storage tank 406, the buoyancy piece 401 rises along with the liquid level, the connecting rod 402 drives the connected valve core 403 to be opened, the liquid is discharged through the sewage discharge outlet 404, the liquid level in the liquid storage tank 406 descends, and after the buoyancy piece 401 falls to a certain position, the valve core 403 is accurately returned to the initial position under the action of the positioning piece 405, so that the sewage discharge outlet 404 is closed, and sewage discharge is finished.

Example 3:

an automatic blowdown apparatus of gas cooler outlet line, it is made up of inlet pipe 1, outlet pipe 7 and control unit 4; wherein, the inlet pipeline 1 and the outlet pipeline 7 are communicated with an outlet pipeline 8 of the gas cooler by welding in turn along the gas flowing direction; the control assembly 4 consists of a buoyancy member 401, a connecting rod 402, a valve core 403, a sewage discharge outlet 404, a positioning member 405 and a reservoir 406; one end of the reservoir 406 is connected with the inlet pipeline 1, and the other end is connected with the outlet pipeline 7; the buoyancy element 401 is arranged in the reservoir 406 and is fixedly connected with the valve core 403 through a connecting rod 402, and the buoyancy element 401 controls the valve core 403 to open and close under the buoyancy action of liquid in the reservoir 406; the valve core 403 is arranged on the blowdown outlet 404 through a positioning piece 405, the opening and closing of the blowdown outlet 404 are controlled through the opening and closing of the valve core 403, and the valve core 403 is always located below the liquid level of the liquid storage tank 406; the blowdown outlet 404 is disposed on the sump 406.

The automatic pollution discharge principle: the liquid in the gas cooler outlet line 8 enters the liquid storage tank 406 from the inlet pipe, the liquid is deposited at the bottom of the liquid storage tank 406, and the gas returns to the cooler outlet line 8 through the outlet pipe 7; after a certain amount of liquid is deposited in the liquid storage tank 406, the buoyancy piece 401 rises along with the liquid level, the connecting rod 402 drives the connected valve core 403 to be opened, the liquid is discharged through the sewage discharge outlet 404, the liquid level in the liquid storage tank 406 descends, and after the buoyancy piece 401 falls to a certain position, the valve core 403 is accurately returned to the initial position under the action of the positioning piece 405, so that the sewage discharge outlet 404 is closed, and sewage discharge is finished.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. An automatic blowdown device for an outlet pipeline of a gas cooler is characterized by comprising an inlet pipeline (1), an outlet pipeline (7) and a control assembly (4); the inlet pipeline (1) and the outlet pipeline (7) are sequentially communicated with an outlet pipeline (8) of the gas cooler along the gas flowing direction; the control assembly (4) comprises a buoyancy piece (401), a connecting rod (402), a valve core (403), a sewage outlet (404) and a liquid storage tank (406); one end of the liquid storage tank (406) is connected with the inlet pipeline (1), and the other end of the liquid storage tank is connected with the outlet pipeline (7); the buoyancy piece (401) is arranged in the liquid storage tank (406) and is fixedly connected with the valve core (403) through a connecting rod (402), and the buoyancy piece (401) controls the valve core (403) to be opened and closed under the buoyancy action of liquid in the liquid storage tank (406); the valve core (403) is arranged on the sewage discharge outlet (404), the sewage discharge outlet (404) is arranged on the liquid storage tank (406), the opening and closing of the valve core (403) controls the opening and closing of the sewage discharge outlet (404), and the valve core (403) is always positioned below the liquid level of the liquid storage tank (406).

2. The automatic waste fitting discharging device as claimed in claim 1, wherein an inlet valve (2) is further installed on the inlet pipe (1); an outlet valve (6) is further mounted on the outlet pipeline (7).

3. The automatic waste fitting discharging device as claimed in claim 1, wherein a waste valve (5) is further installed on the waste outlet (404).

4. An automatic waste fitting device according to claim 1, characterized in that a filter device (3) is further mounted on the inlet pipe (1).

5. An automatic waste fitting device as claimed in claim 4, characterised in that the filter means (3) is removably mounted on the inlet pipe (1).

6. The automatic waste fitting discharging device as claimed in claim 1, wherein the control assembly further comprises a positioning member (405), the positioning member (405) being used for limiting the valve core (403) to be always on the waste outlet (404).

7. An automatic waste fitting device according to any one of claims 1-6, characterized in that the inlet pipe (1) and the outlet pipe (7) are detachably connected to a gas cooler outlet line (8).

8. The automatic waste fitting discharging device as claimed in claim 7, wherein the inlet pipe and the outlet pipe are connected with the gas cooler outlet line by a screw thread or a flange.