CN210424507U

CN210424507U - Gas pressure regulating pry

Info

Publication number: CN210424507U
Application number: CN201921283358.4U
Authority: CN
Inventors: 何彬; 李颖
Original assignee: Chengdu Jinling Energy Equipment Co ltd
Current assignee: Chengdu Jinling Energy Equipment Co ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-04-28
Anticipated expiration: 2029-08-08

Abstract

The utility model relates to a gas pressure regulating sled, including the sled seat, set up first manifold, second manifold on the sled seat, be connected with the import flange in the setting of first manifold, be connected with the export flange on the second manifold, through parallelly connected first branch pipeline, second branch pipeline intercommunication between first manifold and the second manifold, first branch pipeline, second branch pipeline are fixed on the sled seat, first branch pipeline sets gradually first forced seal ball valve, first manometer, first formula shut-off valve, first air-vent valve, second manometer, first emptying branch road, second forced seal ball valve from the upstream end downstream end on the first branch pipeline, set gradually third forced seal ball valve, third manometer, third formula shut-off valve, third air-vent valve, fourth manometer, second pressure regulating valve from the upstream end on the second branch pipeline, A second vent manifold, and a fourth forced sealing ball valve.

Description

Gas pressure regulating pry

Technical Field

The utility model relates to a gas is equipped, concretely relates to gas pressure regulating sled.

Background

Natural gas is one of safer fuel gases, does not contain carbon monoxide, is lighter than air, can upwards diffuse immediately once leaking, is difficult to accumulate and form explosive gas, has higher safety compared with other fuel bodies, adopts natural gas as energy, can reduce the using amount of coal and petroleum, thereby greatly improving the environmental pollution problem, and the transportation of the natural gas at present adopts a high-pressure pipeline to convey the fuel gas to a using end, and the using practical end needs to use low-pressure natural gas. At present, a pressure regulating valve is usually used at the tail end of a high-pressure conveying end for pressure regulation, a mode of welding, constructing and assembling equipment, valves and instruments on site is usually adopted, the field construction work amount is large, the construction period is long, the field environment influence is easy to occur, the construction cost is high, the installation of all parts is scattered and independent, the standards are different, the concentration degree is low, and the modularization rapid pavement and production are not facilitated.

Disclosure of Invention

The utility model aims at prior art not enough, provide a gas pressure regulating sled, it can concentrate equipment, valve and instrument to integrate in a sled piece, can carry out standardized pre-production through the mill, makes the generation cycle shorten, engineering quality is more controllable, also can ensure the construction precision of equipment simultaneously and uses the measurement degree of accuracy, does benefit to the modularization and mats formation fast and put into production.

The purpose of the utility model is realized like this: the gas pressure regulating pry comprises a prying seat, wherein a first manifold and a second manifold are arranged on the prying seat, an inlet flange is connected to the first manifold, an outlet flange is connected to the second manifold, the first manifold and the second manifold are communicated through a first branch pipeline and a second branch pipeline which are connected in parallel, the first branch pipeline and the second branch pipeline are fixed on the prying seat, a first forced sealing ball valve, a first pressure gauge, a first self-operated block valve, a first pressure regulating valve, a second pressure gauge, a first emptying branch path and a second forced sealing ball valve are sequentially arranged on the first branch pipeline from the upstream end to the downstream end, and a third forced sealing ball valve, a third pressure gauge, a third self-operated block valve, a third pressure regulating valve, a fourth pressure gauge, a second emptying branch path and a fourth pressure regulating valve are sequentially arranged on the second branch pipeline from the upstream end to the downstream end, And the fourth forced sealing ball valve is connected between the first manifold and the second manifold through a connecting sewage discharge pipe, two sewage discharge ball valves are arranged on the sewage discharge pipe, and a sewage discharge downstream pipe section is arranged on a pipe section between the two sewage discharge ball valves.

Set up the vortex heater on the first pipeline, the vortex heater is located the pipeline section between second air-vent valve and the second manometer, the vortex heater is binary channels vortex heater, the vortex heater passes through vortex inlet circuit and is connected with the upper reaches end of first air-vent valve, the vortex heater passes through vortex outlet circuit and is connected with the low reaches end of second air-vent valve, the vortex heater is through the upper reaches end intercommunication of first level guide income gas circuit with first air-vent valve, the vortex heater gives vent to anger the gas circuit through first level guide and communicates with first air-vent valve, the vortex heater passes through second level guide income gas circuit and second air-vent valve intercommunication, the vortex heater gives vent to anger through second level guide and communicates with second air-vent valve.

Set up the vortex heater on the second branch road, the vortex heater is located the pipeline section between fourth air-vent valve and the fourth manometer, the vortex heater is binary channels vortex heater, the vortex heater passes through the vortex entry return circuit and is connected with the upper reaches end of third air-vent valve, the vortex heater passes through the vortex export return circuit and is connected with the low reaches end of fourth air-vent valve, the vortex heater is through the upper reaches end intercommunication of first order guide income gas circuit and third air-vent valve, the vortex heater gives vent to anger return circuit and third air-vent valve intercommunication through first order guide, the vortex heater goes into gas circuit and fourth pressure regulating upper reaches end valve intercommunication through second order guide, the vortex heater gives vent to anger through the second order guide and communicates with the fourth air-vent valve.

The first branch pipeline is provided with a bypass branch, the upstream end of the bypass branch is communicated with the upstream end of the second forced sealing ball valve, the downstream end of the bypass branch is communicated with the downstream end of the second forced sealing ball valve, and the bypass branch is provided with a stop valve and a manual ball valve.

And a throttle valve is arranged on the vortex outlet loop, and the vortex outlet loop is a straight pipe section.

The forced sealing ball valve is an electric forced sealing ball valve.

The pressure regulating valve is a self-operated pressure regulating valve.

The downstream end of the first emptying manifold and the downstream end of the second emptying manifold are respectively connected with two inlet ends of a three-way emptying pipe, and the outlet end of the three-way emptying pipe is connected with a bent pipe section with one end extending out of the prying seat.

Adopt above-mentioned scheme, its beneficial effect as follows, high-pressure gas passes through the import flange entering first manifold, and low pressure gas after the pressure regulating passes through export flange on the second manifold discharges, and high-pressure gas is through getting into the second manifold through first branch pipe and/or second branch pipeline, and high-pressure gas can have three modes to carry out the pressure regulating, can realize the regulation of three transport modes through adjusting first compulsory sealing ball valve, third compulsory sealing ball valve, has improved the production stability of product and the adaptability that the product dealt with the trouble. On a first branch pipeline, a first self-operated block valve and a first pressure regulating valve are opened, pressure regulation is carried out through a second pressure regulating valve, a first pressure gauge and a second pressure gauge respectively detect the pressure of gas before and after pressure regulation, when the gas pressure is not within a preset numerical range, auxiliary regulation is carried out through the first pressure regulating valve, and when the gas pressure is out of control or needs to be blocked due to the fact that the first pressure regulating valve and the second pressure regulating valve in a circuit are failed and fully opened, pressure regulation safety can be guaranteed through regulation of the first self-operated block valve; the second branch pipeline has the same principle. Adopt the utility model discloses, equipment, valve and the instrument assembly of present site operation can carry out batch production in advance in the mill in a sledge piece, moves original site operation content to the mill, and the cycle is short, and engineering quality is more controllable, and the expense is lower relatively, and area is less. The whole body is sleded, so that the construction precision of the equipment is guaranteed, and the on-site pressure regulating facility is more stable.

The gas is carrying out the pressure regulating in-process, receives the throttle effect influence and appears ice stifled phenomenon easily in pipeline and valve body set up vortex heater on the first branch pipeline, vortex heater is with the kinetic energy conversion hot gas flow of high-pressure gas pressure release, then the heat conduction of release gives the gas, eliminates ice stifled phenomenon, can heat vortex heater through vortex export return circuit and vortex entry return circuit, under the vortex effect, produces heat energy among the vortex heater, give first pressure regulating choke valve with the heat through first order guide air outlet loop and first order guide income gas return circuit, give second pressure regulating choke valve with the heat through second level guide air outlet loop and second level guide income gas return circuit. The vortex heater is adopted, so that external energy is not required to be provided, heat energy is generated by the pressure difference between the front and the back of the pressure regulating gas, the normal work of the pressure regulating valve is ensured, the pressure regulating device is prevented from being blocked by ice, and the effects of saving energy and saving cost can be achieved.

Adopt above-mentioned utility model, it can concentrate each equipment, valve and instrument and integrate in a sledge piece, can carry out standardized pre-production through the mill, makes the generation cycle shorten, engineering quality is more controllable, also can ensure the construction precision of equipment simultaneously and use the measurement degree of accuracy, does benefit to the modularization and mats formation fast and put into production.

The invention will be further explained with reference to the drawings and the specific embodiments.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the pry seat of fig. 1.

In the drawing, 100 is a pry seat, 200 is a first manifold, 210 is an inlet flange, 300 is a second manifold, 310 is an outlet flange, 400 is a first branch pipe, 410 is a first forced sealing ball valve, 420 is a first pressure gauge, 430 is a first self-operated shutoff valve, 440 is a first pressure regulating valve, 450 is a second pressure regulating valve, 460 is a second pressure gauge, 470 is a first vent pipe, 480 is a second forced sealing ball valve, 500 is a second branch pipe, 510 is a third forced sealing ball valve, 520 is a third pressure gauge, 530 is a third self-operated shutoff valve, 540 is a third pressure regulating valve, 550 is a fourth pressure regulating valve, 560 is a fourth pressure gauge, 570 is a second vent pipe, 580 is a fourth forced sealing ball valve, 600 is a blow-off pipe, 610 is a blow-off ball valve, 700 is a vortex heater, 710 is a vortex inlet loop, 720 is a pilot vortex outlet loop, 730 is a first stage inlet air loop, 740 is a first stage outlet loop, 750 is the second stage guide inlet loop, 760 is the second stage guide outlet, 800 is the bypass branch, 810 is the stop valve, 820 is the manual ball valve.

Detailed Description

Specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 2, an embodiment of gas pressure regulating sled, including sled seat 100, sled seat 100 can be become by the I-steel welding, set up first manifold 200, second manifold 300 on sled seat 100, first manifold 200, second manifold 300 pass through the support to be fixed on sled seat 100, first manifold 200, second manifold 300 can be for drawing the manifold, and the welding manifold of comparison can reduce stress concentration effect and metal consumption. The first manifold 200 is provided with an inlet flange 210, the second manifold 300 is provided with an outlet flange 310, the first manifold 200 is communicated with the second manifold 300 through a first branch pipeline 400 and a second branch pipeline 500 which are connected in parallel, the first branch pipeline 400 and the second branch pipeline 500 are fixed on the prying seat 100, the first branch pipeline 400 is provided with a first forced sealing ball valve 410, a first pressure gauge 420, a first self-operated block valve 430, a first pressure regulating valve 440, a second pressure regulating valve 450, a second pressure gauge 460, a first emptying branch pipeline 470 and a second forced sealing ball valve 480 in sequence from the upstream end to the downstream end, the second branch pipeline 500 is provided with a third forced sealing ball valve 510, a third pressure gauge 520, a third self-operated block valve 530, a third pressure regulating valve 540, a fourth pressure regulating valve 550, a fourth pressure gauge 560, a second emptying branch pipeline 570, a fourth pressure regulating valve 550, a third pressure regulating valve 500, a second pressure regulating valve 500, And a fourth forced sealing ball valve 580, wherein the first header 200 and the second header 300 are connected with a sewage discharge pipe 600, two sewage discharge ball valves 610 are arranged on the sewage discharge pipe 600, and a sewage discharge downstream pipe section is arranged on a pipe section between the two sewage discharge ball valves 610. The forced sealing ball valve is an electric forced sealing ball valve which is a pipeline pressure element for industrial automation process control and is generally used for remote opening, closing, connecting and cutting-off control of pipeline media; the device is generally of an integrated structure, and can be controlled to operate by a single-phase power supply AC220V and a direct-current power supply 24 VDC; small volume, portability, reliable performance, simple matching, large circulation capacity and the like. The bypass branch 800 is arranged on each of the first branch pipe 400 and the second branch pipe 500, the upstream end of the bypass branch 800 is communicated with the upstream end of the second forced sealing ball valve 480, the downstream end of one of the bypass branch 800 is communicated with the downstream end of the second forced sealing ball valve 480, the bypass branch 800 is provided with the stop valve 810 and the manual ball valve 820, the bypass branch 800 is opened firstly during operation to provide pressure for the downstream end of the second forced sealing ball valve 480, and the second forced sealing ball valve 480 is convenient to open easily after the rear end of the pipeline reaches a certain pressure. The pressure regulating valve may be a self-operated pressure regulating valve. Compared with a manual pressure regulating valve, the self-operated pressure regulating valve has the advantages that the self-operated pressure regulating valve can be automatically regulated; compared with an electric pressure regulating valve, the electric pressure regulating valve has the advantage that no external power is needed. Application practices prove that the valve can be used correctly in a closed water circulation system such as a hot water heating system and an air-conditioning chilled water system, and the flow distribution of the system can be realized very conveniently; the dynamic balance of the system can be realized; the debugging work of the system can be greatly simplified; the operating state of the pump and the like can be stabilized. The downstream end of the first vent manifold 470 and the downstream end of the second vent manifold 570 are connected to two inlet ends of a three-way vent pipe, respectively, and the outlet end of the three-way vent pipe is connected to a pipe bending section with one end extending out of the prying seat 100.

Preferably, a vortex heater 700 is disposed on the first branch pipe 400, the vortex heater 700 is located in a pipe section between the second pressure regulating valve 450 and the second pressure gauge 460, the vortex heater 700 is a dual-channel vortex heater, the vortex heater 700 is connected to an upstream end of the first pressure regulating valve through a vortex inlet loop 710, the vortex heater 700 is connected to a downstream end of the second pressure regulating valve through a vortex outlet loop 720, the vortex heater 700 is communicated with an upstream end of the first pressure regulating valve through a first-stage pilot inlet loop 730, the vortex heater 700 is communicated with the first pressure regulating valve through a first-stage pilot outlet loop 740, the vortex heater 700 is communicated with the second pressure regulating valve through a second-stage pilot inlet loop 750, and the vortex heater 700 is communicated with the second pressure regulating valve through a second-stage pilot outlet 760. The vortex outlet loop 720 is provided with a throttle valve, the vortex outlet loop 720 is a straight pipe section, the heating effect of the vortex heater 700 can be adjusted by adjusting the throttle valve by adopting the structure, and the vortex outlet loop 720 is provided with the straight pipe section to avoid the ice blockage phenomenon.

Preferably, a vortex heater 700 is arranged on the second branch pipeline 500, the vortex heater 700 is located in a pipe section between the fourth pressure regulating valve 550 and the fourth pressure gauge 560, the vortex heater 700 is a dual-channel vortex heater, the vortex heater 700 is connected with the upstream end of the third pressure regulating valve through a vortex inlet loop 710, the vortex heater 700 is connected with the downstream end of the fourth pressure regulating valve through a vortex outlet loop 720, the vortex heater 700 is communicated with the upstream end of the third pressure regulating valve through a first-stage pilot inlet loop 730, the vortex heater 700 is communicated with the third pressure regulating valve through a first-stage pilot outlet loop 740, the vortex heater 700 is communicated with the fourth pressure regulating upstream end valve through a second-stage pilot inlet loop 750, and the vortex heater 700 is communicated with the fourth pressure regulating valve through a second-stage pilot outlet 760.

When the scheme is adopted to perform pressure regulating operation, high-pressure fuel gas enters the first header 200 through the inlet flange 210, the pressure-regulated low-pressure fuel gas is discharged through the outlet flange 310 on the second header 300, and the first branch pipe and/or the second branch pipe 500 can be selected to enter the second header 300 through adjusting the first forced sealing ball valve 410 and the third forced sealing ball valve 510. On the first branch pipeline 400, the first self-operated block valve 430 and the first pressure regulating valve 440 are normally opened, pressure regulation is performed through the second pressure regulating valve 450, the first pressure gauge 420 and the second pressure gauge 460 respectively detect the pressure of gas before and after pressure regulation, when the gas pressure is not within a preset numerical range, auxiliary regulation is performed through the first pressure regulating valve 440, and when the gas pressure is out of control or needs to be blocked due to failure and full opening of the first pressure regulating valve 440 and the second pressure regulating valve 450 in a circuit, pressure regulation safety can be guaranteed by regulating the first self-operated block valve 430; the second branch conduit 500 works in the same manner. Adopt the utility model discloses, equipment, valve and the instrument assembly of present site operation can carry out batch production in advance in the mill in a sledge piece, moves original site operation content to the mill, and the cycle is short, and engineering quality is more controllable, and the expense is lower relatively, and area is less. The whole body is sleded, so that the construction precision of the equipment is guaranteed, and the on-site pressure regulating facility is more stable. In the pressure regulating process of fuel gas, the fuel gas is influenced by a throttling effect and is easy to have an ice blocking phenomenon in a pipeline and a valve body, a vortex heater 700 is arranged on a first branch pipeline 400, kinetic energy of high-pressure fuel gas pressure relief of the vortex heater 700 is converted into hot air flow, then the released heat energy conducts the fuel gas to eliminate the ice blocking phenomenon, the vortex heater 700 can be heated through a vortex outlet loop 720 and a vortex inlet loop 710, heat energy is generated in the vortex heater 700 under the vortex effect, the heat energy is brought to a first pressure regulating throttle valve through a first-stage pilot gas outlet loop 740 and a first-stage pilot gas inlet loop 730, and the heat energy is brought to a second pressure regulating throttle valve through a second-stage pilot gas outlet 760 loop and a second-stage pilot gas inlet loop 750; similarly, a vortex heater 700 is disposed on the second branch pipe 500. The eddy current heater 700 is adopted, so that energy is not required to be supplied from the outside, heat energy is generated by the pressure difference between the front and the back of the pressure regulating gas, the normal work of the pressure regulating valve is ensured, the pressure regulating device is prevented from being blocked by ice, and the effects of saving energy and saving cost can be achieved. Adopt the utility model discloses, with present site operation's equipment, valve and instrument assembly in a sledge piece, whole sled body highly integrated pressure regulating device, installation device can carry out accurate adjustment to the gas flow guaranteeing reliability and safe prerequisite, can carry out batch production in advance at the mill and produce in advance, move original site operation content to mill, the cycle is short, and engineering quality is more controllable, and the expense is lower relatively, and area is less. The whole body is sleded, so that the construction precision of the equipment is guaranteed, and the on-site pressure regulating facility is more stable.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a gas pressure regulating sled which characterized in that: the automatic forced sealing device comprises a prying seat (100), a first manifold (200) and a second manifold (300) are arranged on the prying seat (100), the first manifold (200) is connected with an inlet flange (210), the second manifold (300) is connected with an outlet flange (310), the first manifold (200) is communicated with the second manifold (300) through a first branch pipeline (400) and a second branch pipeline (500) which are connected in parallel, the first branch pipeline (400) and the second branch pipeline (500) are fixed on the prying seat (100), a first forced sealing ball valve (410), a first pressure gauge (420), a first self-operated block valve (430), a first pressure regulating valve (440), a second pressure regulating valve (450), a second pressure gauge (460), a first emptying branch pipeline (470) and a second forced sealing ball valve (480) are sequentially arranged on the first branch pipeline (400) from the upstream end to the downstream end, and a third forced sealing ball valve (510) is sequentially arranged on the second branch pipeline (500) from the upstream end to the downstream end ) The automatic blowdown device comprises a first header (200) and a second header (300), a third pressure gauge (520), a third self-operated block valve (530), a third pressure regulating valve (540), a fourth pressure regulating valve (550), a fourth pressure gauge (560), a second blowdown manifold (570) and a fourth forced sealing ball valve (580), wherein a blowdown pipe (600) is connected between the first header (200) and the second header (300), two blowdown ball valves (610) are arranged on the blowdown pipe (600), and a blowdown downstream pipe section is arranged on a pipe section between the two blowdown ball valves (610).

2. The gas pressure regulating sled of claim 1, wherein: the first branch pipeline (400) is provided with a vortex heater (700), the vortex heater (700) is positioned at a pipe section between the second pressure regulating valve (450) and the second pressure gauge (460), the vortex heater (700) is a dual-channel vortex heater, the vortex heater (700) is connected with the upstream end of the first pressure regulating valve through a vortex inlet loop (710), the vortex heater (700) is connected with the downstream end of the second pressure regulating valve through a vortex outlet loop (720), the vortex heater (700) is communicated with the upstream end of the first pressure regulating valve through a first-stage pilot gas inlet loop (730), the vortex heater (700) is communicated with the first pressure regulating valve through a first-stage pilot gas outlet loop (740), the vortex heater (700) is communicated with a second pressure regulating valve through a second-stage pilot gas inlet loop (750), the vortex heater (700) is communicated with the second pressure regulating valve through the second stage pilot outlet (760).

3. The gas pressure regulating sled of claim 1 or 2, characterized in that: the second branch pipeline (500) is provided with a vortex heater (700), the vortex heater (700) is positioned at a pipe section between the fourth pressure regulating valve (550) and the fourth pressure gauge (560), the vortex heater (700) is a double-channel vortex heater, the vortex heater (700) is connected with the upstream end of the third pressure regulating valve through a vortex inlet loop (710), the vortex heater (700) is connected with the downstream end of the fourth pressure regulating valve through a vortex outlet loop (720), the vortex heater (700) is communicated with the upstream end of the third pressure regulating valve through a first-stage pilot gas inlet loop (730), the vortex heater (700) is communicated with the third pressure regulating valve through a first-stage pilot air outlet loop (740), the vortex heater (700) is communicated with a fourth pressure-regulating upstream end valve through a second-stage pilot gas inlet loop (750), the vortex heater (700) is communicated with the fourth pressure regulating valve through the second-stage pilot outlet gas (760).

4. The gas pressure regulating sled of claim 1, wherein: the first branch pipeline (400) is provided with a bypass branch pipeline (800), the upstream end of the bypass branch pipeline (800) is communicated with the upstream end of the second forced sealing ball valve (480), the downstream end of the bypass branch pipeline (800) is communicated with the downstream end of the second forced sealing ball valve (480), and the bypass branch pipeline (800) is provided with a stop valve (810) and a manual ball valve (820).

5. The gas pressure regulating sled of claim 3, characterized in that: the vortex outlet loop (720) is provided with a throttle valve, and the vortex outlet loop (720) is a straight pipe section.

6. The gas pressure regulating sled of claim 1, wherein: the forced sealing ball valve is an electric forced sealing ball valve.

7. The gas pressure regulating sled of any of claims 1-2, wherein: the pressure regulating valve is a self-operated pressure regulating valve.

8. The gas pressure regulating sled of claim 1, wherein: the downstream end of the first venting manifold (470) and the downstream end of the second venting manifold (570) are respectively connected with two inlet ends of a three-way vent pipe, and the outlet end of the three-way vent pipe is connected with a bent pipe section with one end extending out of the prying seat (100).