CN217635102U

CN217635102U - Safe pressure regulating measurement cabinet suitable for industrial enterprise

Info

Publication number: CN217635102U
Application number: CN202221803211.5U
Authority: CN
Inventors: 刘晓慧; 赵文洁; 张涛; 王铁; 武睿; 刘宏伟
Original assignee: Shanxi Huaxin Gas Energy Research Institute Co ltd
Current assignee: Shanxi Huaxin Gas Energy Research Institute Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-10-21
Anticipated expiration: 2032-07-14

Abstract

The utility model relates to a safety gas guarantee equipment technical field for production, a safe pressure regulating measurement cabinet suitable for industrial enterprise is disclosed, the inlet manifold shunting first inlet branch pipe, second inlet branch pipe, install first inlet branch pipe valve on the first inlet branch pipe, first inlet branch pipe connects with first filter, the export of first filter has first flowmeter through the pipe connection, the export of first flowmeter has first voltage regulator through the pipe connection, the export of first voltage regulator is connected with first outlet branch pipe, the second inlet branch pipe is in the same reason; first branch pipe and the second branch pipe of giving vent to anger merge and be connected the house steward of giving vent to anger, install check valve, flow control valve, electromagnetism automatic cutout valve on the house steward of giving vent to anger in order, lie in the house steward of giving vent to anger between check valve and the flow control valve and install the combustion-supporting agent branch pipe, the exit linkage of electromagnetism automatic cutout valve has the spark arrester, and the export of spark arrester has connect the output tube. The utility model discloses guarantee gas safety in utilization from many angles.

Description

Safe pressure regulating measurement cabinet suitable for industrial enterprise

Technical Field

The utility model relates to a gas guarantee equipment technical field for the safety in production specifically is a safe pressure regulating measurement cabinet suitable for industrial enterprise.

Background

Natural gas is a clean energy source and has become the first choice of industrial enterprise users, but in the development process, the design and the gas utilization equipment of industrial enterprises are not tightly butted, so that safety accidents occur frequently, and the situation is more dangerous particularly in places which are far away and have insufficient gas operation supervision. In the design process, adopt ordinary pressure regulating metering equipment usually and to the quick-witted with the quick-witted emergency cut-off valve in gas room, and actual industrial enterprise user production nature has the variety, the gas appliances that the user used require the difference great to natural gas air feed pressure, if there is not timely effectual communication in the design process, there is the design blind area, the requirement butt joint that design and industrial enterprise gas appliances can appear is not tight, even the enterprise adds the combustion improver in order to improve the temperature of gas, in addition some enterprise producers safety consciousness is weak, in order to satisfy the gas demand of production gas, set up branch pipe privately and add the combustion improver, increase gas appliances privately, change the line to original gas pipeline, bury the potential safety hazard for industrial enterprise's safe gas, the potential safety hazard down for industrial enterprise's safe gas. In addition, when the air pressure of the user side is abnormal, for example, the problem of the gas pressure regulating device causes overpressure of the user side, the overpressure can damage the gas using equipment, or the pressure is too low due to gas leakage of the user side, safety accidents are very easy to happen, the control center cannot effectively know accurate information and regulate and control the information, and accurate and efficient processing cannot be achieved. In order to solve the above problems, the existing safety pressure regulating metering cabinet for industrial enterprises needs to be improved.

Disclosure of Invention

The utility model discloses a it is great to natural gas air feed pressure requirement difference to solve present gas appliances, the enterprise adds the combustion-supporting agent in order to improve the temperature of gas, in order to satisfy gas demand for production, set up branch pipe privately and add the combustion-supporting agent, increase gas appliances privately, change the line to original gas pipeline, in addition, user side gas pressure information can't effectively pass back control center, the operation unit can't in time be accurate according to user condition regulated pressure or cut off, to a system's outstanding problem, a safe pressure regulating measurement cabinet suitable for industrial enterprise is provided.

The utility model discloses a following technique realizes: the inlet manifold is branched with a first inlet branch pipe and a second inlet branch pipe, a first inlet branch pipe valve is installed on the first inlet branch pipe, the first inlet branch pipe is connected with a first filter, the outlet of the first filter is connected with a first flowmeter through a pipeline, the outlet of the first flowmeter is connected with a first pressure regulator through a pipeline, the outlet of the first pressure regulator is connected with a first outlet branch pipe, similarly, the second inlet branch pipe is connected with a second inlet branch pipe valve, the second inlet branch pipe is connected with a second filter, the outlet of the second filter is connected with a second flowmeter through a pipeline, the outlet of the second flowmeter is connected with a second pressure regulator through a pipeline, and the outlet of the second pressure regulator is connected with a second outlet branch pipe; first branch pipe and the second branch pipe of giving vent to anger merge and be connected the house steward of giving vent to anger, install check valve, flow control valve, electromagnetism trip valve on the house steward of giving vent to anger in order, lie in the house steward of giving vent to anger between check valve and the flow control valve and install the combustion improver branch pipe, install combustion improver check valve and combustion improver valve on the combustion improver branch pipe in proper order, the exit linkage of electromagnetism trip valve has the spark arrester, the export of spark arrester has connect the output tube.

When the device is implemented, the air inlet main pipe is connected with a diffusing pipe, the air inlet main pipe is connected with a first air inlet branch pipe and a second air inlet branch pipe, a first air inlet branch pipe valve is installed on the first air inlet branch pipe, the first air inlet branch pipe is connected with a first filter, a drain outlet of the first filter and a drain outlet of the second filter are connected with a drain pipe, a drain valve is installed on the drain pipe, an outlet of the first filter is connected with a first flow meter through a pipeline, the first flow meter is provided with temperature and pressure compensation, the flow of gas is measured more accurately, data are provided for metering and allocating of an operation unit, an outlet of the first flow meter is connected with a first pressure regulator through a pipeline, an outlet of the first pressure regulator is connected with a first air outlet branch pipe, and the first air outlet branch pipe is connected with the diffusing pipe; similarly, a second air inlet branch pipe valve is mounted on the second air inlet branch pipe, the second air inlet branch pipe is connected with a second filter, the outlet of the second filter is connected with a second flowmeter through a pipeline, the second flowmeter is provided with temperature and pressure compensation, the outlet of the second flowmeter is connected with a second pressure regulator through a pipeline, the outlet of the second pressure regulator is connected with a second air outlet branch pipe, and the second air outlet branch pipe is connected with a diffusing pipe; the pipeline from the first air inlet branch pipe to the first air outlet branch pipe is a first pressure regulating branch pipe, the pipeline from the second air inlet branch pipe to the second air outlet branch pipe is a second pressure regulating branch pipe, the first pressure regulating branch pipe and the second pressure regulating branch pipe are completely the same in configuration and are mutually standby, the first air outlet branch pipe and the second air outlet branch pipe are combined and connected with an air outlet main pipe, a check valve is sequentially installed on the air outlet main pipe, a flow regulating valve and an electromagnetic automatic cut-off valve, the opening degree of the flow regulating valve is controlled by a remote control system, the air flow is regulated, the later-stage operation management efficiency can be improved, when a pressure gauge on the air outlet main pipe detects overpressure or low pressure of connected equipment and pipelines, the pressure gauge transmits signals to a control cabinet, the control cabinet controls the electromagnetic automatic cut-off valve, the electromagnetic automatic cut-off valve adopts automatic emergency cut-off measures and transmits the cut-off signals to a control center, a combustion improver branch pipe is installed between the check valve and the flow regulating valve and the combustion improver branch pipe, a diffusion pipe is sequentially installed on the combustion improver branch pipe, an outlet of the electromagnetic automatic cut-off valve is connected with a diffusion pipe, the electromagnetic automatic cut-off valve, the flame arrester is connected with an output pipe. When the device is used, natural gas enters from the gas inlet main pipe, enters the first filter through the first gas inlet branch pipe valve on the first gas inlet branch pipe, impurities in the natural gas are filtered, more accurate metering is ensured, the follow-up steps are guaranteed, the filtered impurities are released by opening the drain valve through the drain pipe of the first filter, the filtered natural gas enters the first flowmeter through the pipeline, an operation unit accurately meters the gas used by a user, then the filtered natural gas enters the first pressure regulator, the pressure of a gas source is regulated to the pressure required by user equipment, and the pressure-regulated natural gas enters the first gas outlet branch pipe; when the standby pipeline system is used, similarly, the filtered impurities in the natural gas enter the second filter through the second air inlet branch pipe valve on the second air inlet branch pipe to ensure more accurate metering and provide guarantee for the subsequent steps, the filtered impurities are released by opening a drain valve through a drain pipe of the second filter, the filtered natural gas enters the second flowmeter through a pipeline, an operation unit accurately meters the gas used by a user and then enters the second pressure regulator to regulate the pressure of a gas source into the pressure required by user equipment, and the regulated natural gas enters the second air outlet branch pipe; the natural gas enters the gas outlet main pipe from the first gas outlet branch pipe or the second gas outlet branch pipe, when a user does not need to inject a combustion improver, a valve is only additionally arranged on the combustion improver branch pipe arranged on the gas outlet main pipe, the sampling function can be met, when the user needs to mix pressurized air or oxygen for use, the combustion improver is introduced into the combustion improver branch pipe, and the check valve is arranged at the front end of the combustion improver branch pipe of the gas outlet main pipe, so that the mixed gas can be effectively prevented from flowing back to a gas main pipeline; the mixed gas passes through the flow regulating valve, so that the gas quantity of users of industrial enterprises can be regulated when the gas is used for the people-protection and limited purpose in the heating season in winter or when the gas is too bad due to other factors, the gas supply quantity of the users can be remotely regulated by an operating unit, and the flow regulating valve is opened in time when the gas source is sufficient to recover the gas supply quantity; the gas passes through the electromagnetic automatic cut-off valve, when the pressure prompts failure, the pressure is too low due to overpressure at the user end or gas leakage at the user end, the gas supply needs to be cut off immediately, the electromagnetic automatic cut-off valve cuts off the gas supply and transmits a cut-off signal to the control center, so that damage to gas equipment during overpressure and safety accidents during low-pressure gas leakage are avoided, and a gas operation unit can accurately and efficiently process the cut-off signal in time after receiving the cut-off signal; finally, the gas is output by an output pipe and enters user gas equipment, and pressure regulation and metering are completed.

Compared with the prior art the utility model discloses following beneficial effect has: the utility model provides a safe pressure regulating metering cabinet suitable for industrial enterprise reforms transform current pressure regulating metering cabinet, has satisfied the requirement of different kinds of users, ensures the variety, avoids appearing design and industrial enterprise gas appliances butt joint not tight and produce the safety problem of creating the secret and building up leads to; a standard branch interface is added in the pressure regulating metering cabinet, so that the requirement of adding a combustion improver for improving the temperature of fuel gas by an enterprise can be met, the backflow of mixed gas can be prevented, the danger is effectively avoided, and the safety is improved; the flow regulating valve is provided with a remote control function, and can regulate an operation scheme according to flow data returned on site; the cut-off circuit is closed in time through a pressure control electromagnetic valve; whole device ensures gas safe in utilization from many angles, and the at utmost adapts to different user requirements, and application scope is wide, and maneuverability is strong, can make corresponding adjustment according to enterprise user's different demands, is fit for using widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The figures are labeled as follows: 1-a first filter, 1 a-a second filter, 2-a first flowmeter, 2 a-a second flowmeter, 3-a first pressure regulator, 3 a-a second pressure regulator, 4-a check valve, 5-a combustion improver branch pipe, 6-a flow regulating valve, 7-an electromagnetic automatic shutoff valve, 8-a flame arrester, 9-an air inlet main pipe, 10-a first air inlet branch pipe, 10 a-a second air inlet branch pipe, 11-a first air inlet branch pipe valve, 11 a-a second air inlet branch pipe valve, 12-a first air outlet branch pipe, 12 a-a second air outlet branch pipe, 13-an air outlet main pipe, 14-an output pipe, 15-an exhaust pipe, 16-a blow-off pipe, 17-a blow-off valve, 18-a combustion improver valve and 19-a combustion improver check valve.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

A safety pressure-regulating metering cabinet suitable for industrial enterprises, as shown in fig. 1: the air inlet main pipe 9 is connected with a diffusing pipe 15, the air inlet main pipe 9 is divided into two branches which are respectively connected with a first air inlet branch pipe 10 and a second air inlet branch pipe 10a, a first air inlet branch pipe valve 11 is installed on the first air inlet branch pipe 10, the first air inlet branch pipe 10 is connected with a first filter 1, the outlet of the first filter 1 is connected with the inlet of a first flowmeter 2 through a pipeline, the outlet of the first flowmeter 2 is connected with a first pressure regulator 3 through a pipeline, and the outlet of the first pressure regulator 3 is connected with a first air outlet branch pipe 12 to form a first pressure regulating branch pipe; similarly, a second air inlet branch pipe valve 11a is installed on the second air inlet branch pipe 10a, the second air inlet branch pipe 10a is connected with a second filter 1a, a drain outlet of the first filter 1 and a drain outlet of the second filter 1a are both connected with a drain pipe 16, a drain valve 17 is installed on the drain pipe 16, an outlet of the second filter 1a is connected with an inlet of a second flow meter 2a through a pipeline, an outlet of the second flow meter 2a is connected with a second pressure regulator 3a through a pipeline, an outlet of the second pressure regulator 3a is connected with a second air outlet branch pipe 12a to form a second pressure regulating branch pipe, the first pressure regulating branch pipe and the second pressure regulating branch pipe are completely identical in structure and are mutually standby, and the safety of air consumption of a user is ensured; the first branch pipe 12 of giving vent to anger all has connect the bleeder 15 with the second branch pipe 12a of giving vent to anger on, first branch pipe 12 of giving vent to anger merges with second branch pipe 12a of giving vent to anger and connects the house steward 13, install check valve 4 in order on the house steward 13 of giving vent to anger, flow control valve 6, electromagnetism automatic shutoff valve 7, the opening degree of remote control flow control valve 6, electromagnetism automatic shutoff valve 7 promptly cuts off when the equipment and the pipeline of connecting are superpressure or low pressure, and send the signal to control center, it installs combustion improver branch pipe 5 to lie in the house steward 13 of giving vent to anger between check valve 4 and the flow control valve 6, install combustion improver check valve 19 and combustion improver valve 18 on the combustion improver branch pipe 5 in proper order, the anterior segment of the combustion improver branch pipe of giving vent to anger and connect the bleeder 15 on the house steward 13, the exit linkage of electromagnetism automatic shutoff valve 7 has the back fire arrestor 8, prevent that backfire and intensity of fire from spreading when the user side from taking fire from spreading and exploding, reduce property loss, the life loss, the exit linkage of arrestor 8 has output tube 14.

When the natural gas filtering device is used, natural gas enters from the gas inlet main pipe 9, enters the first filter 1 through the first gas inlet branch pipe valve 11 on the first gas inlet branch pipe 10, impurities in the natural gas are filtered, more accurate metering is ensured, a guarantee is provided for subsequent steps, the blow-off valve 17 on the blow-off pipe 16 is opened periodically, the filtered impurities are released, the filtered natural gas enters the first flow meter 2 through a pipeline, an operation unit can accurately measure the inlet flow of each user when the user gas is required to be adjusted, then the filtered natural gas enters the first pressure regulator 3, the pressure of a gas source is adjusted to be the pressure required by user equipment, and the adjusted natural gas enters the first gas outlet branch pipe 12; when the standby pipeline system is used, similarly, the filtered impurities in the natural gas enter the second filter 1a through the second air inlet branch pipe valve 11a on the second air inlet branch pipe 10a to filter the impurities, so that the metering is more accurate, and the subsequent steps are guaranteed, the filtered impurities are released by opening the drain valve 17 through the drain pipe 16 of the second filter 1a, the filtered natural gas enters the second flow meter 2a through a pipeline, an operation unit allocates the user gas according to the measured flow, then the filtered natural gas enters the second pressure regulator 3a to regulate the pressure of the gas source into the pressure required by the user equipment, and the pressure-regulated natural gas enters the second air outlet branch pipe 12a; natural gas enters the gas outlet main pipe 13 from the first gas outlet branch pipe 12 or the second gas outlet branch pipe 12a, when a user does not need a combustion improver injection function, a valve is additionally arranged on the combustion improver branch pipe 5 arranged on the gas outlet main pipe 13, so that a sampling function can be met, when the user needs to mix pressurized air or oxygen for use, the combustion improver is introduced into the combustion improver branch pipe 5, the combustion improver check valve 19 effectively prevents gas leakage caused by the fact that the pressure of the main pipeline is greater than the injection pressure of the combustion improver when the combustion improver is added externally, and the check valve 4 is arranged at the front end of the combustion improver branch pipe 5 of the gas outlet main pipe 13, so that the mixed gas can be effectively prevented from flowing back to the gas main pipeline; the mixed gas passes through the flow regulating valve 6, so that the gas quantity of users of the industrial enterprise is regulated when the gas is used for the people-protection and limited purpose in the heating season in winter or when the gas is too bad due to other factors, an operation unit can regulate the gas quantity according to actual remote matching, and the flow regulating valve 6 is opened in time when the gas source is sufficient to recover the gas supply quantity; then, through the electromagnetic automatic cut-off valve 7, when the pressure prompt failure, the user end overpressure or the user end gas leakage causes too low pressure, the gas supply needs to be cut off immediately, the electromagnetic automatic cut-off valve 7 cuts off the gas supply, and cut-off signals are transmitted to the control center, so that the damage to gas-using equipment during overpressure and the occurrence of safety accidents during low-pressure gas leakage are avoided, and a gas operation unit can timely, accurately and efficiently process the cut-off signals after receiving the cut-off signals; the exit linkage of electromagnetism automatic cutout valve 7 has spark arrester 8, prevents that gas flame from spreading to whole pipe network and user from tempering and the intensity of a fire when taking place the conflagration and stretching and arouse the explosion, reduces the loss of lives and property, and last gas is exported by output tube 14, gets into user's gas appliances, and the pressure regulating measurement is accomplished.

The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a safe pressure regulating measurement cabinet suitable for industrial enterprise, includes air intake manifold (9), its characterized in that: the air inlet manifold (9) is branched into a first air inlet branch pipe (10) and a second air inlet branch pipe (10 a), a first air inlet branch pipe valve (11) is installed on the first air inlet branch pipe (10), the first air inlet branch pipe (10) is connected with a first filter (1), the outlet of the first filter (1) is connected with a first flowmeter (2) through a pipeline, the outlet of the first flowmeter (2) is connected with a first pressure regulator (3) through a pipeline, the outlet of the first pressure regulator (3) is connected with a first air outlet branch pipe (12), similarly, the second air inlet branch pipe (10 a) is installed with a second air inlet branch pipe valve (11 a), the second air inlet branch pipe (10 a) is connected with a second filter (1 a), the outlet of the second filter (1 a) is connected with a second flowmeter (2 a) through a pipeline, the outlet of the second flowmeter (2 a) is connected with a second pressure regulator (3 a) through a pipeline, and the outlet of the second pressure regulator (3 a) is connected with a second air outlet branch pipe (12 a); first branch gas outlet pipe (12) and second branch gas outlet pipe (12 a) merge and are connected air outlet manifold (13), install check valve (4) on air outlet manifold (13) in order, flow control valve (6), electromagnetism trip valve (7), it installs combustion improver branch pipe (5) to lie in on air outlet manifold (13) between check valve (4) and flow control valve (6), install combustion improver check valve (19) and combustion improver valve (18) on combustion improver branch pipe (5) in proper order, the exit linkage of electromagnetism trip valve (7) has spark arrester (8), the export of spark arrester (8) has connect output tube (14).

2. The safety pressure regulating metering cabinet suitable for industrial enterprises according to claim 1, characterized in that: the drain outlet of the first filter (1) and the drain outlet of the second filter (1 a) are both connected with a drain pipe (16), and a drain valve (17) is installed on the drain pipe (16).

3. The safety pressure regulating metering cabinet suitable for industrial enterprises according to claim 1, characterized in that: the air inlet main pipe (9), the first air outlet branch pipe (12) and the second air outlet branch pipe (12 a) are connected with the diffusing pipes (15), and the front sections of the combustion improver branch pipes (5) arranged on the air outlet main pipe (13) are connected with the diffusing pipes (15).

4. The safety pressure-regulating metering cabinet suitable for industrial enterprises according to claim 1, characterized in that: the opening degree of the flow regulating valve (6) is remotely controlled.