CN217213511U

CN217213511U - Automatic drainage control system

Info

Publication number: CN217213511U
Application number: CN202221070443.4U
Authority: CN
Inventors: 龚亚峰; 吴樵; 雷新海; 雷新江
Original assignee: Greatall Power Co ltd
Current assignee: Greatall Power Co ltd
Priority date: 2022-04-30
Filing date: 2022-04-30
Publication date: 2022-08-16
Anticipated expiration: 2032-04-30

Abstract

The utility model relates to a gas-liquid separator drainage device, in particular to an automatic drainage control system, which solves the problem that the gas-liquid separator drainage is not intelligent in the prior art; the pneumatic drainage valve comprises a gas-liquid separator, wherein a pneumatic drainage valve and a floating ball type mechanical switch are arranged on the side wall of the gas-liquid separator, the floating ball type mechanical switch is positioned above the pneumatic drainage valve, an air inlet pipe is arranged on one side of the floating ball type mechanical switch, an air supply pipe communicated with the pneumatic drainage valve is arranged on the other side of the floating ball type mechanical switch, the floating ball type mechanical switch is influenced by the liquid level in the gas-liquid separator, so that the air inlet pipe is communicated with or closed to the air supply pipe, and a drainage pipe is connected to the pneumatic drainage valve; through the mode of system cooperation, realize automatic drainage under the stable supply condition of air supply, need not personnel on duty, have manual drainage necessary function in addition to be equipped with high liquid level switch and carry out liquid level signal acquisition and teletransmission protection, will carry out high liquid level warning if drainage system inefficacy, realize that drainage system's automation, safe operation.

Description

Automatic drainage control system

Technical Field

The utility model relates to a vapour and liquid separator drainage device, concretely relates to automatic drainage control system.

Background

In some gas multi-stage compression processes, interstage cooling of the gas after each compression stage is required, and water removal is necessary for air or some process gases with higher water content. Simple can adopt manual valve drainage, and this mode needs personnel to regularly frequently operate, has increased the cost of labor and has leaked the operation risk, and easily causes gas leakage during the drainage. In addition, the common mode is that the electromagnetic valve is opened at regular time, the drainage interval and the opening duration are set, so that the compressed gas is conveniently discharged along with the drainage, and the flow leakage and the pressure drop of a system are caused. Therefore, it is necessary to design an automatic drainage control system without air consumption, unattended operation and liquid level monitoring.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model provides an automatic drainage control system to solve prior art gas-liquid separator drainage not intelligent, can cause the together exhaust problem of compressed gas.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

the utility model provides an automatic drainage control system, includes gas-liquid separator, be provided with pneumatic drain valve and floater formula mechanical switch on gas-liquid separator's the lateral wall, floater formula mechanical switch is located pneumatic drain valve top, one side of floater formula mechanical switch is provided with the intake pipe, and the opposite side is provided with the air supply pipe of intercommunication pneumatic drain valve, floater formula mechanical switch receives the inside liquid level influence of gas-liquid separator, makes intake pipe and air supply pipe intercommunication or close, be connected with the drain pipe on the pneumatic drain valve.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the bottom of the gas-liquid separator is connected with a water outlet pipe, and a manual ball valve is arranged on the water outlet pipe.

Furthermore, a pressure regulating valve is arranged on the air inlet pipe.

Furthermore, a high liquid level switch is arranged on the side wall of the gas-liquid separator above the floating ball type mechanical switch.

Furthermore, the high liquid level switch comprises a sensor and a floating ball, the floating ball is arranged in the gas-liquid separator, and the floating ball is influenced by the liquid level to float and trigger the sensor to give an electric signal.

Further, the gas-liquid separator comprises a tank body and a base, the tank body is fixedly connected to the base in an inserted mode, a notch is formed in the side portion of the base, and the water outlet pipe is led out from the notch and combined with the water drain pipe.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

through the mode of system cooperation, realize automatic drainage under the stable supply condition of air supply, need not personnel on duty, have manual drainage necessary function in addition to be equipped with high liquid level switch and carry out liquid level signal acquisition and teletransmission protection, will carry out high liquid level warning if drainage system became invalid, realize that drainage system's automation, safe operation. The liquid level in the gas-liquid separator is always maintained at the installation height level of the floating ball type mechanical switch, and the water drainage process of the pneumatic water drainage valve realizes the water drainage without air consumption due to the liquid seal effect in the gas-liquid separator.

Drawings

Fig. 1 is a schematic structural diagram provided by the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a gas-liquid separator; 2. a pneumatic drain valve; 3. a float-ball mechanical switch; 4. an air inlet pipe; 5. a gas supply pipe; 6. a drain pipe; 7. a water outlet pipe; 8. a manual ball valve; 9. a pressure regulating valve; 10. a high liquid level switch; 11. a tank body; 12. a base.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that spatial relationship terms, such as "under", "below", "beneath", "below", "over", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary terms "under" and "under" can encompass both an orientation of above and below. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

An automatic drainage control system as shown in fig. 1, including gas-liquid separator 1, be provided with pneumatic drain valve 2 and floater formula mechanical switch 3 on the lateral wall of gas-liquid separator 1, floater formula mechanical switch 3 is located pneumatic drain valve 2 top, one side of floater formula mechanical switch 3 is provided with intake pipe 4, the opposite side is provided with air supply pipe 5 that communicates pneumatic drain valve 2, floater formula mechanical switch 3 is provided with the floater in gas-liquid separator 1 inside, the floater is influenced by the inside liquid level of gas-liquid separator 1, thereby it influences opening or closing of floater formula mechanical switch 3 to float or fall, and then make intake pipe 4 and air supply pipe 5 communicate or close, be connected with drain pipe 6 on the pneumatic drain valve 2.

Gas-liquid separator 1 is along with the increase of live time, and the moisture accumulation in the separator leads to the liquid level constantly to rise, rises to pneumatic drain valve 2 mounting height at the liquid level when, and the liquid level does not reach the floater position of floater formula mechanical switch 3 this moment, and floater formula mechanical switch 3 does not trigger promptly and opens, and intake pipe 4 is closed with the route of air supply pipe 5, and the air supply is cut off and makes pneumatic drain valve 2 out of work, belongs to normal ponding stage.

When the liquid level rises to the installation height of the floating ball type mechanical switch 3, a floating ball connected with the tail of the switch floats along with the liquid level, a flow channel of the floating ball type mechanical switch 3 is opened under the action of lever force, an air source supplied from the outside can be circulated and conveyed to the pneumatic drain valve 2, the flow channel of the pneumatic drain valve 2 is opened through film type pressurization, and accumulated water in the separator is smoothly discharged from the drain pipe 6.

Along with the moisture emission, the inside liquid level of separator reduces, and mechanical switch afterbody floater sinks because of the dead weight, and lever force effect at this moment leads to the inside runner of floater formula mechanical switch 3 to close, has cut off the gas of carrying to pneumatic drain valve 2 to stop the drainage, realize the automatic control drainage function in the separator working process.

If the air supply is interrupted or the drainage fails, the separation effect of the separator is affected by the rise of the liquid level, even the water enters the downstream due to overflow, which causes great influence on the process, therefore, the high liquid level switch 10 is arranged on the side wall of the gas-liquid separator 1.

Specifically, the high liquid level switch 10 comprises a sensor and a floating ball, the floating ball is arranged in the gas-liquid separator 1, the floating ball is influenced by the liquid level to float and trigger the sensor to give an electric signal, the floating ball at the tail part floats when the liquid level rises to the installation height, and the sensor receives an instruction signal and conducts remote alarm, so that the safety and the reliability of the automatic drainage system are ensured.

Preferably, the bottom of the gas-liquid separator 1 is connected with a water outlet pipe 7, a manual ball valve 8 is arranged on the water outlet pipe 7, the manual ball valve can be manually opened when equipment is periodically shut down for maintenance, accumulated liquid in the separator is timely discharged, the manual ball valve is also used for the emergency situation of high liquid level alarm, the manual ball valve is not recommended to be opened under the normal working condition of the separator, and the loss and the pressure reduction of gas can be caused under the condition of pressure drainage.

The stable supply of the air source of the pneumatic water discharge valve 2 is critical, and the pressure of the air is generally ensured in addition to the special condition of avoiding the air source supply interruption, so that the pressure regulating valve 9 is arranged at the inlet of the mechanical switch (namely on the air inlet pipe 4) to regulate and stabilize the supply pressure of the air source.

The installation heights of the pneumatic drain valve 2, the floating ball type mechanical switch 3 and the high liquid level switch 10 are determined through calculation, and the proper installation heights are set in combination with the water accumulation speed and drainage interval consideration on the premise of ensuring that the steam-water separation in the separator is not influenced.

During the opening period of the pneumatic drain valve 2, the liquid level in the gas-liquid separator 1 is always maintained at the installation height level of the floating ball type mechanical switch 3, so that the gas-consumption-free water drainage is realized in the water drainage process of the pneumatic drain valve 2 due to the liquid seal effect in the gas-liquid separator 1.

Specifically, the gas-liquid separator 1 comprises a tank body 11 and a base 12, the tank body 11 is fixedly inserted on the base 12, a gap is formed in the side portion of the base 12, and a water outlet pipe 7 is led out from the gap and combined with a water drain pipe 6.

through the mode of system cooperation, realize automatic drainage under the stable supply condition of air supply, need not personnel's guard, have manual drainage necessary function in addition to be equipped with high liquid level switch 10 and carry out liquid level signal acquisition and teletransmission protection, if drainage system became invalid will carry out high liquid level and report to the police, realize that drainage system's automation, safe operation. The liquid level in the gas-liquid separator 1 is always maintained at the installation height level of the floating ball type mechanical switch 3, and the water drainage process of the pneumatic water drainage valve 2 realizes the water drainage without air consumption due to the liquid seal effect in the gas-liquid separator 1.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an automatic drainage control system, includes the vapour and liquid separator, its characterized in that, be provided with pneumatic drain valve and floater formula mechanical switch on the lateral wall of vapour and liquid separator, floater formula mechanical switch is located pneumatic drain valve top, one side of floater formula mechanical switch is provided with the intake pipe, and the opposite side is provided with the air supply pipe of intercommunication pneumatic drain valve, floater formula mechanical switch receives the inside liquid level influence of vapour and liquid separator, makes intake pipe and air supply pipe intercommunication or close, be connected with the drain pipe on the pneumatic drain valve.

2. The automatic drainage control system of claim 1, wherein a water outlet pipe is connected to the bottom of the gas-liquid separator, and a manual ball valve is arranged on the water outlet pipe.

3. The automatic drain control system of claim 1, wherein a pressure regulating valve is provided on the intake pipe.

4. The automatic drain control system of claim 1, wherein a high level switch is disposed on a sidewall of the gas-liquid separator above the float-type mechanical switch.

5. The automatic drainage control system of claim 4, wherein the high level switch comprises a sensor and a floating ball, the floating ball is arranged in the gas-liquid separator, and the floating ball is influenced by the liquid level to float and trigger the sensor to give an electric signal.

6. The automatic drainage control system of claim 2, wherein the gas-liquid separator comprises a tank body and a base, the tank body is fixedly inserted on the base, a notch is formed in the side of the base, and the water outlet pipe is led out from the notch and combined with the water outlet pipe.