CN103148338B - A kind of natural gas steam trap sled - Google Patents

Abstract

The invention discloses a natural gas drain valve skid, which is characterized in that the composition includes a double-acting throttling stop valve A, a double-acting throttling stop valve B, a double-acting throttling stop valve C, a natural gas drain valve, and a sleeve type sewage discharge valve. Valve and the base composed of channel steel and steel plate welded, double-acting throttling stop valve A, double-acting throttling stop valve B, double-acting throttling stop valve C, natural gas drain valve, sleeve type sewage valve through three-way pipe fittings, After the bent pipe is connected with the seamless steel pipe as a whole, it is located on the base. It does not need to apply any power, drains when there is water, closes when there is no water, continuous operation, reliable sealing, and no natural gas leakage, which plays an important role in eliminating potential safety hazards, protecting the environment, saving energy, and improving the working conditions of workers.

Description

A natural gas trap skid

technical field

The invention relates to a gas-water separation device, in particular to a natural gas trap skid.

Background technique

A large amount of groundwater is generally deposited in the existing natural gas mines. During the process of natural gas collection, relevant enterprises generally enter some groundwater into the pipeline and storage tank equipment system together with the collected natural gas. These mixed with natural gas The water body will seriously affect the transportation, storage and transportation production efficiency of gas pipelines and storage tank equipment systems. A certain amount of water will be deposited in the natural gas storage tank. In order to ensure the quality and grade of natural gas and improve the storage and transportation efficiency of the existing pipeline and gas storage tank system, the deposited water in the natural gas storage tank should be drained as much as possible.

Contents of the invention

The purpose of the present invention is to provide a natural gas trap skid, which can automatically drain water and block gas, automatically drain the deposited water in the gas storage tank and ensure that the natural gas does not leak at all.

The present invention is achieved by constructing a natural gas trap skid, which is characterized in that: its composition includes a double-acting throttling stop valve A, a double-acting throttling stop valve B, a double-acting throttling stop valve C, a natural gas trap, Sleeve blowdown valve and base welded by channel steel and steel plate, double-acting throttling stop valve A, double-acting throttling stop valve B, double-acting throttling stop valve C, natural gas trap, and sleeve-type blowdown valve pass through The three-way pipe fittings, elbows and seamless steel pipes are connected as a whole and then placed on the base. After improvement, it can automatically drain water and block gas, automatically drain the deposited water in the gas storage tank and ensure that there is no natural gas leakage.

A natural gas trap skid according to the present invention is characterized in that: the three-way pipe fittings include three-way pipe fittings A, three-way pipe fittings B, and three-way pipe fittings C, and the elbow includes elbow A, elbow B, and elbow C ,

Including the inlet end, the inlet end is connected through a three-way pipe fitting A, the three-way pipe fitting A is connected to the elbow A through a seamless steel pipe, the elbow A is connected to the double-acting throttle valve B through a convex flange, and the double-acting throttle valve is B is connected to the natural gas trap,

The elbow B is connected to the natural gas trap through the raised flange, and at the same time, the elbow B is also connected to the double-acting throttling stop valve A, the double-acting throttling stop valve A is connected to the three-way fitting B, and the three-way fitting B is connected to the outlet port , the three-way fitting B is connected to the three-way fitting C through the seamless steel pipe, the three-way fitting C is connected to the double-acting throttling stop valve C, the three-way fitting C is connected to the sleeve type sewage valve through the elbow C, and the valve sleeve type sewage The valve is connected to a natural gas trap.

A natural gas trap skid according to the present invention is characterized in that: the inlet end is supported by a Φ32×3.5mm steel pipe A, and the outlet end is supported by a Φ32×3.5mm steel pipe B.

A natural gas trap skid according to the present invention is characterized in that: the natural gas trap includes an upper valve body and a lower valve body, the upper valve body is provided with lifting lugs, and the upper valve body and the lower valve body are provided with connecting pipes. Multiple interfaces, specifically including: the water inlet interface is set on the lower valve body through a Φ57×5mm connecting pipe, the water inlet interface is in the form of a convex connection surface, the nominal diameter is 50mm, and the balance interface is set on the upper valve body through a Φ32×3.5mm connecting pipe ,The balance interface is in the form of a convex connection surface, with a nominal diameter of 25mm. The slag blowing interface is set on the lower valve body, and the drainage interface is set on the lower valve body through a Φ57×5mm connecting pipe. The drainage interface is in the form of a convex connection surface, with a nominal diameter of 50mm. Among them, the bottom of the lower valve body is provided with a sewage discharge port through a Φ32×4mm elbow and a Φ32×4mm connecting pipe. Floating ball, the lower valve body is supported by No. 8 channel steel at the lower end. The specification of the foot plate is 100×100mm and the thickness is 12mm. The foot plate is used to set the anchor bolts M16, and the wall thickness of the lower valve body is 55mm.

The invention has the advantages of: no need to apply any power, it can be drained when there is water, closed when there is no water, continuous operation, reliable sealing, no natural gas leakage, and plays an important role in eliminating potential safety hazards, protecting the environment, saving energy, and improving the working conditions of workers.

Description of drawings

Fig. 1 is the schematic diagram of top view structure of the present invention

Fig. 2 is a schematic diagram of the main view structure of the present invention

Fig. 3 is a side view structure schematic diagram of the present invention

Fig. 4 is a schematic diagram of the internal structure of the natural gas trap implementation 1 of the present invention

Fig. 5 is a schematic diagram of the internal structure of the implementation 2 of the natural gas trap of the present invention

Fig. 6 is a top view structural diagram of the natural gas trap of the present invention

Among them: 101, double-acting throttling stop valve A, 102, natural gas trap, 103, double-acting throttling stop valve B, 104, double-acting throttling stop valve C, 105, valve sleeve type sewage valve, 106, base, 107a, three-way pipe fitting A, 107b, three-way pipe fitting B, 107c, three-way pipe fitting C, 108a, elbow A, 108b, elbow B, 108c, elbow C, 109, inlet port, 110, outlet port, 111a , steel pipe A, 111b, steel pipe B, 102a, upper valve body, 102b, lower valve body, 102c, lifting lug, 102d, water inlet port, 102e, balance port, 102f, slag blowing port, 102g, drain port, 102h, Sewage interface, 102i, pressure gauge interface, 102j, float, 102k, No. 8 channel steel, 102l, foot plate.

Detailed ways

The present invention will be described in detail below in conjunction with accompanying drawings 1-6, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The invention is a drain valve used in a natural gas gas-water separator and a drain system of a storage tank to realize the function of automatically blocking gas and draining water. It has the following characteristics: no need to apply any power, drains when there is water, closes when there is no water, continuous operation, reliable sealing, and no natural gas leakage, which plays an important role in eliminating potential safety hazards, protecting the environment, saving energy, and improving the working conditions of workers.

As shown in Figure 1, a natural gas trap skid consists of a double-acting throttling stop valve A101, a double-acting throttling stop valve B103, a double-acting throttling stop valve C104, a natural gas trap 102, and a sleeve-type blowdown valve. 105. The base 106 welded by channel steel and steel plate, the double-acting throttling stop valve A101, the double-acting throttling stop valve B103, the double-acting throttling stop valve C104, the natural gas drain valve 102, and the sleeve type sewage valve 105 pass through three The through pipe fittings, elbows and seamless steel pipes are connected as a whole and then positioned on the base 106 .

The three-way pipe fittings include three-way pipe fittings A107a, three-way pipe fittings B107b, and three-way pipe fittings C107c, and the elbows include elbow pipes A108a, elbow pipes B108b, and elbow pipes C108c.

The inlet port 109 is connected through a three-way pipe fitting A107a, and the three-way pipe fitting A107a is connected to the elbow A108a through a seamless steel pipe, and the elbow A108a is connected to the double-acting throttle stop valve B103 through a convex flange, and the double-acting throttle stop valve B103 is connected to the natural gas drain Valve 102 is connected.

The elbow B108b is connected to the natural gas trap 102 through a raised flange, and at the same time, the elbow B108b is also connected to the double-acting throttle stop valve A101, which is connected to the three-way pipe fitting B107b, and the three-way pipe fitting B107b is connected to the outlet port 110 connection, the three-way pipe fitting B107b is connected to the three-way pipe fitting C107c through the seamless steel pipe at the same time, the three-way pipe fitting C107c is connected to the double-acting throttle stop valve C104, the three-way pipe fitting C107c is connected to the sleeve type sewage valve 105 through the elbow C108c, and the valve The sleeve drain valve 105 is connected with the natural gas trap 102 . The inlet end 109 is supported by steel pipe A111a, and the outlet end 110 is supported by steel pipe B111b.

Working principle: Use the change of the water level of the liquid contained in the medium of the trap to make the float rise and fall, so as to drive the opening and closing parts to open and close, and realize the function of draining and blocking air.

The double-acting throttling stop valve KSLJ4IY-2.5/50 flange is JB/T81-94, the KTS43H-2.5DN50 type natural gas trap, and the sleeve type sewage valve KTP41Y-2.5/25 flange is JB/T81-94.

The natural gas trap 102 includes an upper valve body 102a and a lower valve body 102b. The upper valve body 102a is equipped with lifting lugs 102c. The upper valve body 102a and the lower valve body 102b are provided with a plurality of ports through connecting pipes, specifically including: the lower valve body 102b is provided with a water inlet port 102d through a connecting pipe of Φ57×5mm. The water inlet port 102d is in the form of a convex connection surface with a nominal diameter of 50mm. The upper valve body 102a is provided with a balancing port 102e through a connecting pipe of Φ32×3.5mm. The balancing port 102e is Convex connection surface form, nominal diameter 25mm, among which the slag blowing interface 102f is set on the lower valve body 102b, and the drainage interface 102g is set on the lower valve body 102b through a Φ57×5mm connecting pipe, the drainage interface 102g is a convex connection surface form, and the nominal diameter is 50mm , wherein the bottom end of the lower valve body 102b is provided with a sewage discharge interface 102h through a Φ32×4mm elbow and a Φ32×4mm connecting pipe. The sewage discharge interface 102h is in the form of a convex connection surface with a nominal diameter of 25mm, and the upper valve body 102a is provided with a pressure gauge interface 102i , the lower valve body 102b is provided with 4 floating balls 102j, the lower valve body 102b is supported by No. 8 channel steel 102k at the lower end, the specification of the foot plate 102l is 100×100mm, the thickness is 12mm, and the foot plate 102l is used to set the anchor bolts M16, The wall thickness of the lower valve body 102b is 55mm.

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

Claims (1)

1. A natural gas trap skid, characterized in that: it consists of a double-acting throttling stop valve A (101), a double-acting throttling stop valve B (103), a double-acting throttling stop valve C (104), natural gas Steam trap (102), sleeve type blowdown valve (105) and base (106) composed of channel steel and steel plate welded, double-acting throttling stop valve A (101), double-acting throttling stop valve B (103), The double-acting throttling stop valve C (104), the natural gas trap (102), and the sleeve type blowdown valve (105) are connected through a three-way pipe fitting, an elbow and a seamless steel pipe, and then they are integrally connected and then located on the base (106); The three-way fittings include three-way fittings A (107a), three-way fittings B (107b), and three-way fittings C (107c), and the elbows include elbows A (108a), elbows B (108b), and elbows C (108c ), Including the inlet end (109), the inlet end (109) is connected through the three-way pipe fitting A (107a), the three-way pipe fitting A (107a) is connected to the elbow A (108a) through the seamless steel pipe, and the elbow A (108a) passes through the convex surface The flange is connected to the double-acting throttle stop valve B (103), and the double-acting throttle stop valve B (103) is connected to the natural gas trap (102). The elbow B (108b) is connected to the natural gas trap (102) through a raised face flange, and at the same time, the elbow B (108b) is also connected to the double-acting throttling stop valve A (101), and the double-acting throttling stop valve A (101) Connect with the three-way fitting B (107b), the three-way fitting B (107b) is connected with the outlet port (110), the three-way fitting B (107b) is connected with the three-way fitting C (107c) through the seamless steel pipe, and the three-way fitting C (107c) is connected with the double-acting throttling stop valve C (104), and the three-way pipe fitting C (107c) is connected with the sleeve type blowdown valve (105) through the elbow C (108c), and the valve sleeve type blowdown valve (105) is connected with Natural gas trap (102) connection; The inlet end (109) is supported by a Φ32×3.5mm steel pipe A (111a), and the outlet end (110) is supported by a Φ32×3.5mm steel pipe B (111b); The natural gas trap (102) includes an upper valve body (102a) and a lower valve body (102b), and the upper valve body (102a) is provided with lifting lugs (102c), The upper valve body (102a) and the lower valve body (102b) are provided with multiple interfaces through connecting pipes, specifically including: the lower valve body (102b) is provided with a water inlet interface (102d) through a Φ57×5mm connecting pipe, and the water inlet interface ( 102d) is in the form of a convex connection surface, with a nominal diameter of 50mm, Among them, the balance interface (102e) is set on the upper valve body (102a) through a Φ32×3.5mm connecting pipe, and the balance interface (102e) is in the form of a convex connection surface, with a nominal diameter of 25mm. Among them, the slag blowing interface (102f) is set on the lower valve body (102b), Among them, the lower valve body (102b) is provided with a drainage interface (102g) through a Φ57×5mm connecting pipe, and the drainage interface (102g) is in the form of a convex connection surface, with a nominal diameter of 50mm. Among them, the bottom of the lower valve body (102b) is provided with a sewage discharge port (102h) through a Φ32×4mm elbow and a Φ32×4mm connecting pipe. The sewage discharge port (102h) is in the form of a convex connection surface, with a nominal diameter of 25mm. Wherein the upper valve body (102a) is provided with a pressure gauge interface (102i), The lower valve body (102b) is provided with a floating ball (102j), and the lower valve body (102b) is supported by the No. 8 channel steel (102k) at the lower end. ) is used to set the anchor bolts M16, Lower valve body (102b) wall thickness 55mm.