Combined gas valve group device

Abstract

The utility model discloses a combined type gas valve set device which comprises a gas pipeline body, an electric butterfly valve is arranged on the periphery of the gas pipeline body, an electric gate valve is arranged on the periphery of the gas pipeline body, and inter-valve pressure relief diffusing devices are arranged in the middles of the electric butterfly valve and the electric gate valve and located on the periphery of the gas pipeline body. The periphery of the gas pipeline body is provided with gas main pipe diffusion parts, the gas main pipe diffusion parts are symmetrically arranged at the two ends of the periphery of the gas pipeline body, and the two gas main pipe diffusion parts are arranged at one end of an electric butterfly valve and one end of an electric gate valve correspondingly. According to the utility model, the gas main pipe bleeding, the inter-valve pressure relief bleeding, the pressure gauge, the sampling valve body, the first manhole, the second manhole, the electric butterfly valve and the electric gate valve are operated, interlocked, mounted and well designed, so that secondary selection is avoided, the gas sampling device can be directly mounted after delivery, the mounting time is shortened, and the safety performance is essentially improved; and the phenomena of water leakage and gas leakage of the flange are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal gas conveying equipment technical field, concretely is a combined coal gas valve group device. BACKGROUND

[0002] The coal gas valve is an important cut-off device in the coal gas conveying system, and in the daily construction process, the coal gas valve is connected with the pipeline through the flange, and due to the influence of welding stress and pipeline stress and other factors, the flange is prone to water leakage and gas leakage during gas delivery, and it is difficult to eliminate.

[0003] In the engineering construction, the selection of the dispersion pipe diameter of the coal gas valve group, the reinforcement of the dispersion pipe root, the setting of the pressure relief dispersion between the valve groups, the setting of the coal gas sampling valve, the setting of the manhole of the coal gas valve group and the operation sequence of the butterfly valve and the gate valve all need to be implemented according to the specification, or due to non-standard installation, frequent rectification is caused in the future, which not only causes passive to the work, but also increases the cost. UTILITY MODEL CONTENTS

[0004] The utility model discloses a combined coal gas valve group device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a combined coal gas valve group device, including the coal gas pipeline body, the coal gas pipeline body periphery is provided with electric butterfly valve, the coal gas pipeline body periphery is provided with electric gate valve, the electric butterfly valve and electric gate valve middle portion and located the coal gas pipeline body periphery is provided with the valve pressure relief dispersion, the coal gas pipeline body periphery is provided with coal gas main pipe dispersion, and coal gas main pipe dispersion symmetry is provided with in coal gas pipeline body periphery two ends, and two groups coal gas main pipe dispersion are arranged respectively in electric butterfly valve and electric gate valve one end, the coal gas pipeline body periphery and located electric butterfly valve and electric gate valve middle portion are provided with first manhole, first manhole one end is fixedly installed with sampling valve body, the coal gas pipeline body periphery and located electric gate valve one end are provided with second manhole, and second manhole one end is also fixedly installed with sampling valve body, the coal gas pipeline body periphery is fixedly installed with pressure gauge, and pressure gauge and valve pressure relief dispersion electric connection.

[0006] As a further scheme of the utility model: the coal gas pipeline body periphery and located coal gas main pipe dispersion bottom end welding have the fender.

[0007] As a further scheme of the utility model: the reinforcing rib plate is welded in the middle of the protection plate and the gas main pipe.

[0008] As a further scheme of the utility model: the protection plate and the reinforcing rib plate are annular.

[0009] As a further scheme of the utility model: the electric plug-in valve comprises a plug-in valve body fixedly installed on the outer periphery of the gas pipeline body and a sliding valve slidingly connected to the inside of the plug-in valve body, an electric adjusting rod is fixedly installed at the top end of the sliding valve, and the electric adjusting rod penetrates through the top end of the plug-in valve body and is electrically connected with a first driving motor.

[0010] As a further scheme of the utility model: the electric butterfly valve comprises a butterfly valve body fixedly installed on the outer periphery of the gas pipeline body and a second driving motor fixedly installed on one end of the butterfly valve body.

[0011] As a further scheme of the utility model: the circuit design of the electric butterfly valve and the electric plug-in valve is linked, and the pressure relief and diffusion circuit design of the electric plug-in valve and the valve is linked.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] When the gas pipeline body and the gas valve are installed, the gas valve and the gas pipeline body are first welded into shape, then the electric butterfly valve and the electric plug-in valve are installed on the outer periphery of the gas pipeline body, the circuit design of the electric butterfly valve and the electric plug-in valve is linked, the closing in place signal of the electric butterfly valve of the gas valve group is linked with the loosening control of the electric plug-in valve, then the pressure relief and diffusion between valves and the pressure gauge are installed in the middle of the electric butterfly valve and the electric plug-in valve, the pressure relief and diffusion pressure of the electric plug-in valve and the valve is linked, the pressure value 2kpa of the pressure relief and diffusion pressure is linked with the loosening control of the electric plug-in valve, the pressure gauge and the pressure relief and diffusion between valves are electrically connected, the protection plate, the reinforcing rib plate and the gas main pipe diffusion are installed on the outer periphery of the gas pipeline body, the pressure in the gas pipeline body can be adjusted through the gas main pipe diffusion, the stable operation of the system is maintained, the sampling valve body is fixedly installed on the outer periphery of the first manhole and the second manhole, the material in the gas pipeline body can be periodically sampled and analyzed, the normal operation state of the pipeline system is monitored, potential problems can be treated in time, the gas main pipe diffusion, the pressure relief and diffusion between valves, the pressure gauge, the sampling valve body, the first manhole, the second manhole, the electric butterfly valve and the electric plug-in valve are operated and linked, are installed and are designed, secondary selection is avoided, the installation time is shortened after the goods are received, the safety performance is essentially improved, and the occurrence of flange water leakage and gas leakage is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1It is the overall structure schematic diagram of the utility model;

[0015] Figure 2 It is the side structure schematic diagram of the utility model gas pipeline;

[0016] Figure 3 It is the utility model Figure 2 The local amplification structure schematic diagram of A place in the middle;

[0017] Figure 4 It is the bottom structure schematic diagram of the utility model gas pipeline.

[0018] In the drawing: 1, gas pipeline body;2, electric butterfly valve;21, butterfly valve body;22, second drive motor;3, electric plug-in valve;31, plug-in valve body;32, sliding valve;33, electric adjusting rod;34, first drive motor;4, gas main pipe diffusion;5, valve pressure relief diffusion;6, first manhole;7, second manhole;8, sampling valve body;9, guard board;10, reinforcing rib plate;11, pressure gauge. Specific implementation

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0020] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0021] Referring to Figures 1 to 4 , the utility model discloses a combined coal gas valve group device, including the coal gas pipeline body 1, the electric butterfly valve 2 of coal gas pipeline body 1 periphery is provided with, the electric butterfly valve 2 with electric butterfly valve 3 middle and located coal gas pipeline body 1 periphery is provided with the valve inter pressure relief diffusion 5, coal gas pipeline body 1 periphery is provided with coal gas main pipe diffusion 4, and coal gas main pipe diffusion 4 symmetry is provided with in coal gas pipeline body 1 periphery both ends, two sets of coal gas main pipe diffusion 4 are arranged at electric butterfly valve 2 with electric butterfly valve 3 one end respectively, coal gas pipeline body 1 periphery and located electric butterfly valve 2 with electric butterfly valve 3 middle part is provided with the first manhole 6, and the first manhole 6 one end is fixedly installed with sampling valve body 8, coal gas pipeline body 1 periphery and located electric butterfly valve 3 one end is set up with the second manhole 7, and the second manhole 7 one end is also fixedly installed with sampling valve body 8, coal gas pipeline body 1 periphery is fixedly installed with pressure gauge 11, and pressure gauge 11 with valve inter pressure relief diffusion 5 electric connection.

[0022] Referring to Figures 1 to 4 , coal gas pipeline body 1 periphery and located coal gas main pipe diffusion 4 bottom end is welded with the guard plate 9, and the guard plate 9 with coal gas main pipe diffusion 4 middle part is welded with the reinforcing rib plate 10, and the guard plate 9 with reinforcing rib plate 10 all are annular shape.

[0023] Referring to Figures 1 to 4 , electric butterfly valve 3 includes the butterfly valve body 31 of fixed installation in the periphery of coal gas pipeline body 1 and the sliding valve 32 of sliding connection in the inside of butterfly valve body 31, and the electric regulating rod 33 of fixed installation is installed at the top of sliding valve 32, and the first drive motor 34 of electric regulating rod 33 through the top of butterfly valve body 31 electric connection has, and electric butterfly valve 2 includes the butterfly valve body 21 of fixed installation in the periphery of coal gas pipeline body 1 and the second drive motor 22 of fixed installation in one end of butterfly valve body 21.

[0024] Referring to Figures 1 to 4 , the circuit design interlock of electric butterfly valve 2 and electric butterfly valve 3, and the circuit design interlock of electric butterfly valve 3 and valve inter pressure relief diffusion 5;The closing in place signal of the electric butterfly valve 2 of coal gas valve group and the release control interlock of electric butterfly valve 3, make the electric butterfly valve closing in place determine as the prerequisite of the release operation of electric butterfly valve 3, and the pressure value 2kpa of the pressure of valve inter pressure relief diffusion 5 and the release control interlock of electric butterfly valve 3, make the pressure value 2kpa of the pressure of valve inter pressure relief diffusion 5 determine as the prerequisite of the release operation of electric butterfly valve.

[0025] The utility model discloses a working principle is: when installing to the gas pipeline body 1 and gas valve, first, the gas valve is welded with the gas pipeline body 1 and is formed, then electric butterfly valve 2 and electric gate valve 3 are installed in the outer periphery of gas pipeline body 1, and the circuit design interlock of electric butterfly valve 2 and electric gate valve 3, the closing in place signal of electric butterfly valve 2 of gas valve group and the loose control interlock of electric gate valve 3, then the pressure relief diffusion 5 between valves and pressure gauge 11 are installed in the middle part of electric butterfly valve 2 and electric gate valve 3, and the circuit design interlock of electric gate valve 3 and pressure relief diffusion 5 between valves, the pressure value 2kpa of the pressure of pressure relief diffusion 5 between valves and the loose control interlock of electric gate valve 3, and pressure gauge 11 and pressure relief diffusion 5 between valves are electrically connected, and the protection plate 9, the reinforcing rib plate 10 and gas main pipe diffusion 4 are installed in the outer periphery of gas pipeline body 1, and the pressure in the gas pipeline body 1 can be adjusted through gas main pipe diffusion 4, keeps the stable operation of system, finally, sampling valve body 8 is fixedly installed in the outer periphery of first manhole 6 and second manhole 7, can be used for periodically sampling analysis to the substance in gas pipeline body 1, monitors the normal operation state of pipeline system, can be handled in time when finding potential problem, through the operation interlock installation of gas main pipe diffusion 4, pressure relief diffusion 5 between valves, pressure gauge 11, sampling valve body 8, first manhole 6, second manhole 7, electric butterfly valve 2 and electric gate valve 3 and designs well, avoids secondary selection, can directly install after arrival, shortens the installation time, and the safety performance is improved essentially, reduces the occurrence of flange water leakage, gas leakage.

[0026] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A combined gas valve train arrangement, characterized in that The utility model relates to a coal gas pipeline body (1) is provided with electric butterfly valve (2) on the periphery, and electric butterfly valve (2) is provided with electric butterfly valve (2) and electric butterfly valve (3) middle and is located coal gas pipeline body (1) periphery is provided with the valve pressure relief diffusion (5), and coal gas pipeline body (1) is provided with coal gas main pipe diffusion (4) on the periphery, and coal gas main pipe diffusion (4) symmetry is provided with in coal gas pipeline body (1) periphery both ends, and two groups of coal gas main pipe diffusion (4) are provided with in electric butterfly valve (2) and electric butterfly valve (3) one end respectively, and coal gas pipeline body (1) is provided with first manhole (6) on the periphery and is located electric butterfly valve (2) and electric butterfly valve (3) middle, and first manhole (6) one end is fixedly installed with sampling valve body (8), and coal gas pipeline body (1) is provided with second manhole (7) on the periphery and is located electric butterfly valve (3) one end, and second manhole (7) one end is also fixedly installed with sampling valve body (8), and coal gas pipeline body (1) is fixedly installed with pressure gauge (11) on the periphery, and pressure gauge (11) is electrically connected with valve pressure relief diffusion (5).

2. A combined gas valve train assembly according to claim 1, wherein Coal gas pipeline body (1) periphery and located coal gas main pipe diffusion (4) bottom welding has the fender (9).

3. A combined gas valve group assembly according to claim 2, wherein The fender (9) and coal gas main pipe diffusion (4) middle welding has the reinforcing rib plate (10).

4. A combined gas valve group assembly according to claim 3, wherein The fender (9) and reinforcing rib plate (10) are annular.

5. A modular gas valve train assembly as defined in claim 1, wherein: The electric butterfly valve (2) includes a butterfly valve body (21) fixedly installed on the periphery of the coal gas pipeline body (1) and a second drive motor (22) fixedly installed on one end of the butterfly valve body (21).

6. A modular gas valve train assembly according to claim 1, wherein, The electric butterfly valve (2) and the electric butterfly valve (3) are circuit designed interlocking, and the electric butterfly valve (3) and the valve pressure relief diffusion (5) are circuit designed interlocking.

7. A modular gas valve train assembly according to claim 1, wherein: ​

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