CN204284902U - Natural gas steam trap - Google Patents

Abstract

The utility model discloses a natural gas drain valve, which has reasonable structural design and high utilization efficiency, and is particularly suitable for installation and use in natural gas mine collection, storage and transportation systems. The utility model is achieved by constructing a natural gas trap, which has an upper valve body and a lower valve body, and is characterized in that four groups of relatively independent bolt holes are set between the upper valve body and the lower valve body, and It is fastened and connected by bolts; the top of the upper valve body is welded with an air return port; at the same time, an internal thread pressure gauge interface is provided on the top of the upper valve body and on the other side corresponding to the air return port; the upper half of the lower valve body The upper part is provided with a feed port and an internal thread blowing port, and the lower valve body is provided with 5 sets of floating balls; the lower side of the lower valve body is respectively provided with a discharge port and a sewage outlet; the lower valve body The bottom plate comes with anchor bolts.

Description

Natural Gas Traps

technical field

The utility model relates to a natural gas mining equipment, in particular to a natural gas drain valve.

Background technique

CN200520002892.5 This utility model proposes a natural gas trap, which is especially suitable for installation and use in natural gas mine collection, storage and transportation systems. The inlet pipe and natural gas exhaust pipe are installed on the upper part of the upper valve body, the drain pipe is installed on the lower valve body, and the guide partition has a set of through holes connecting the upper valve chamber and the lower valve chamber. Drainage pipe is connected, wears and is installed on the buoy top of guide partition and has a round hole above the buoy, welds a limit through pipe at its round hole, and spring is set between the limit through pipe and the top cap. The lower part of the buoy is hinged to the lever linked with the drain valve. By using the buoyancy difference formed by the density difference of the air-water medium on the buoy, the drain valve is pulled to open or close when the buoy moves up and down, and all the deposited water in the gas storage tank can be drained. It can completely prevent natural gas leakage.

CN201320641068.9 The utility model discloses a natural gas trap, which includes a valve body, the valve body is provided with a valve seat, and a lever is provided in the valve body with one end connected to the float assembly, and the other end of the lever is vertically connected to the valve seat. The rotatable connection is characterized in that a vertically arranged spool is provided on the lever, and the valve seat has a flow passage, and the flow passage has a vertically arranged flow passage A and a horizontally arranged flow passage B, the valve core and the inlet of the flow channel A of the valve seat form an opening and closing structure, and the outlet of the flow channel B is provided with an interface for connecting with an external pipeline. In the utility model, the flow channel of the utility model is changed from the original designed straight-through type to the existing "L"-shaped flow channel composed of the flow channel A and the flow channel B, which relieves the pressure of the medium on the seal during the drainage process. erosion, extending the overall life of the trap.

CN200920066773.4 This utility model proposes a kind of natural gas drain valve, the upper cylinder body that is installed with concave surfacing flange water inlet pipe and the lower cylinder body that is installed with drainage connecting pipe I pass flange, flange gasket, outer hexagon The bolts are butted, the upper end of the upper cylinder is connected with the upper oval head; the lower end of the lower cylinder is connected with the lower oval head, and it is installed on the base with the base flange, and one end of the elbow sewage pipe is connected to the bottom of the lower oval head. The other end is led out from the side of the base; a baffle is installed horizontally under the water inlet pipe on the inner wall of the upper cylinder, and a float assembly is installed in the lower cylinder, and the sealing assembly installed with the drain connection pipe I is connected by a split pin, a pin shaft, a flat washer and a lever . It is suitable for installation and use in the collection, storage and transportation system of natural gas mines to realize gas-water separation in natural gas mines and automatic discharge of deposited water (liquid) in natural gas storage tanks without natural gas leakage, with the best energy-saving and environmental protection effects.

CN201310093530.0 The present invention discloses a natural gas drain valve 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 drain valve, a valve 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, valve sleeve blowdown valve through three The through-pipe fitting, the bent pipe and the seamless steel pipe are connected as a whole and then positioned 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.

The implementation structure of two kinds of natural gas traps is introduced in its specification, among which. There is a floating ball in the lower valve body, and the lower valve body is supported by the No. 8 channel steel at the lower end, and the bottom end of the lower valve body is provided with a sewage discharge interface through a Φ32×4mm elbow and a Φ32×4mm connecting pipe; this structure exists during operation. Must be insufficient, must have support components to install.

Utility model content

The purpose of the utility model is to provide a natural gas trap, which has reasonable structural design and high utilization efficiency, and is especially suitable for installation and use in natural gas mine collection, storage and transportation systems.

The utility model is achieved by constructing a natural gas trap, which has an upper valve body and a lower valve body, and is characterized in that four groups of relatively independent bolt holes are set between the upper valve body and the lower valve body, and The connection is fastened by bolts; the two sides of the lower part of the lower valve body are respectively provided with a net discharge port and a sewage discharge port.

According to the natural gas trap of the utility model, it is characterized in that: the top of the upper valve body is welded with an air return port near the edge; at the same time, an internal thread pressure gauge interface is provided on the top of the upper valve body and on the other side corresponding to the air return port.

The natural gas trap according to the utility model is characterized in that: the upper half of the lower valve body is provided with a feed port and an internal thread blowing port, and the lower valve body is provided with 5 sets of floating balls.

The natural gas trap according to the utility model is characterized in that: the bottom plate of the lower valve body is equipped with anchor bolts.

The utility model has the advantages that: the natural gas trap described in the utility model is improved, and is especially suitable for installation and use in natural gas mine collection, storage and transportation systems; it has the following advantages:

(1) The utility model provides a natural gas trap through improvement. It has an upper valve body and a lower valve body. Four sets of relatively independent bolt holes are set between the upper valve body and the lower valve body. Step up to ensure the tight connection between the upper valve body and the lower valve body; the structure design is reasonable and the utilization efficiency is high.

(2) The utility model provides a natural gas trap through improvement. The top of the upper valve body is welded with a feed port near the edge; threaded pressure gauge interface; the upper half of the lower valve body is provided with a feed port and an internal thread blowing port, and a group of floating balls is provided inside the lower valve body; the lower two sides of the lower valve body are respectively provided with There is a net discharge port and a sewage discharge port; the bottom plate of the lower valve body has its own anchor bolts; the utility model is improved on the basis of the original trap, so that the net discharge port and the sewage discharge port are located on both sides of the lower part of the lower valve body , eliminating unnecessary supporting components, simplifying the structure, making it easy to process and assemble, saving time and cost; so the operating cost is reduced, and it is widely used in the field of natural gas collection.

Description of drawings

Fig. 1 is a schematic diagram of the internal structure of the natural gas trap described in the utility model

Fig. 2 is a structural schematic diagram of a top view of the natural gas trap described in the utility model.

Detailed ways

The utility model will be described in detail below in conjunction with accompanying drawings 1-2, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. the embodiment. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1-2, the utility model provides a natural gas trap through improvement, which has an upper valve body 1a and a lower valve body 1b. A group of relatively independent bolt holes 2, as shown in Figure 2, are tightened by bolts to ensure the tight connection between the upper valve body 1a and the lower valve body 1b; the top of the upper valve body 1a is welded to the edge. Air return port 3; at the same time, an internal thread pressure gauge interface 4 is provided on the top of the upper valve body 1a and on the other side corresponding to the air return port 3; a feed port 5 and internal thread are provided on the upper half of the lower valve body 1b Blowing port 6, the inside of the lower valve body 1b is provided with 5 groups of floating balls 7; the two sides of the lower part of the lower valve body 1b are respectively provided with a net discharge port 8 and a sewage outlet 9; the bottom plate 10 of the lower valve body 1b is automatically With anchor bolts 11; the utility model is improved on the basis of the original steam trap, so that the discharge port 8 and the sewage discharge port 9 are located on both sides of the lower part of the lower valve body 1b, eliminating unnecessary support components, The structure is simplified, making it easy to process and assemble, saving time and cost.

The natural gas trap described in the utility model:

1. The design pressure is 6.3Mpa, the working pressure is 5.5～5.7Mpa,

The design temperature is 60°C, and the working temperature is 10-30°C.

2. Material requirements: the steel pipe meets the requirements of GB6479-2013 standard 20#,

Forgings should meet the requirements of 20Ⅱ in NB/T47008-2010,

The plate should meet the requirements of GB713-2008 standard Q245R.

3. The hydraulic test shall be carried out according to GB150.1-4-2011.

4. Coloring requirements for the outer surface of the trap: 2 coats of anti-corrosion primer and 2 coats of dark blue top coat.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. 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 these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. A natural gas trap, with an upper valve body (1a) and a lower valve body (1b), characterized in that four sets of relatively independent bolt holes are set between the upper valve body (1a) and the lower valve body (1b) (2), the two are fastened and connected by bolts; the two sides of the lower part of the lower valve body (1b) are respectively provided with a clean outlet (8) and a sewage outlet (9). 2. The natural gas trap according to claim 1, characterized in that: the top of the upper valve body (1a) is welded with an air return port (3) near the edge; 3) The corresponding other side is provided with an internal thread pressure gauge port (4). 3. The natural gas trap according to claim 1, characterized in that: the upper half of the lower valve body (1b) is provided with a feed port (5) and an internal thread blow-off port (6), and the lower valve body (1b) is provided with 5 groups of floating balls (7) inside. 4. The natural gas trap according to claim 1, characterized in that: the bottom plate (10) of the lower valve body (1b) has its own anchor bolts (11).