Efficient gas-liquid separator of large-flow CNG pressure regulating device

Abstract

The utility model provides an efficient gas-liquid separator of a large-flow CNG (compressed natural gas) pressure regulating device, which comprises a lower shell, an upper shell is arranged at the top of the lower shell, a gas outlet pipe is fixedly communicated with the top of the upper shell, and a gas guide pipe communicated with the gas outlet pipe is fixedly connected below the gas outlet pipe in the upper shell; the dismounting mechanism is used for connecting the lower shell and the upper shell; a dismounting and mounting mechanism is arranged, the upper shell and the lower shell are connected under the action of a flange through mutual cooperation of a connecting hole and a fixing bolt, dismounting and mounting are convenient, the opening and closing state cannot be easily changed, under mutual cooperation of a sealing groove and a sealing ring, the air tightness between the upper shell and the lower shell is improved, a fixing plate is fixed to the needed position, and the sealing effect is good. And the lower shell is inserted into the mounting ring, so that the lower shell can be limited, the lower shell is prevented from shaking and inclining, the disassembly and assembly are convenient, and the sealing performance is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas -liquid separator technical field, concretely relates to a high -efficient gas -liquid separator of large flow CNG pressure regulating device. BACKGROUND

[0002] The downhole production in the oil production process is oil gas water mixture, through the three -phase separator of the oil transfer station, most of the water is separated as ground water mixing cycle, the separated natural gas passes through the oil separator and separates the liquid, and the natural gas is transported to the gas station through the pipeline.

[0003] The utility model discloses a kind of petroleum exploitation gas-liquid cyclone separators, including gas-liquid cyclone separator and airtight cover, the airtight cover is located at the top of gas-liquid cyclone separator, the both sides of the airtight cover are fixedly connected with cooperation block, the top of cooperation block is fixedly connected with clamping block, the front side and the back side of clamping block are fixedly connected with positioning groove, the both sides of gas-liquid cyclone separator are fixedly connected with fixed block. The device described above is used in cooperation with gas-liquid cyclone separator, airtight cover, cooperation block, fixed block, positioning assembly and control assembly, the user pushes control block to the side close to fixed block, cooperation between control block and control assembly makes positioning rod leave the inside of clamping groove, then airtight cover can be removed in alignment, gas-liquid cyclone separator inside is overhauled, the problem that existing gas-liquid cyclone separator is difficult to overhaul is solved, and the user's workload is improved.

[0004] But there are still the following defects:

[0005] The sealing property of the sealing cover and the separator tank body is poor, and a slight touch at the locking mechanism can change the opening and closing state, thereby affecting the sealing property of the sealing cover and the separator tank body. INVENTION CONTENTS

[0006] The utility model discloses a kind of high-efficiency gas-liquid separators of large flow CNG pressure regulating device, to solve the problem proposed in background art.

[0007] The specific technical solutions are as follows:

[0008] A high-efficiency gas-liquid separator for a high-flow CNG pressure regulating device includes: a lower housing, an upper housing at the top of the lower housing, an outlet pipe fixedly connected to the top of the upper housing, and a guide pipe connected to the outlet pipe fixedly connected inside the upper housing below the outlet pipe; a disassembly and assembly mechanism for connecting the lower housing and the upper housing; a gas-liquid separation mechanism for separating gas and liquid; an inlet pipe tangential to the lower housing fixedly connected to the upper surface of the lower housing, an air inlet hole at the connection between the inlet pipe and the lower housing, and a drain pipe fixedly connected to the bottom of the lower housing, with a valve fixedly connected to the drain pipe.

[0009] The high-efficiency gas-liquid separator of the above-mentioned high-flow CNG pressure regulating device includes a spiral air guide plate fixedly connected to the outer surface of the air guide pipe. The spiral air guide plate is fitted to the inner wall of the lower housing and is spirally downward.

[0010] The high-efficiency gas-liquid separator of the above-mentioned high-flow CNG pressure regulating device includes a gas collection hood fixedly connected to the lower part of the surface of the gas guide pipe, wherein multiple sets of baffles are evenly distributed on the inner wall of the gas collection hood.

[0011] The high-efficiency gas-liquid separator of the above-mentioned high-flow CNG pressure regulating device, wherein: the gas collection hood is arranged in a funnel shape, and the gas guide pipe extends to the lower part of the lower housing.

[0012] The high-efficiency gas-liquid separator of the above-mentioned high-flow CNG pressure regulating device includes a disassembly and assembly mechanism comprising flanges fixedly connected to the bottom of the upper housing and the top of the lower housing. The flanges are provided with evenly spaced connection holes, and the two flanges are locked together by bolts.

[0013] The high-efficiency gas-liquid separator of the above-mentioned high-flow CNG pressure regulating device includes a sealing groove at the bottom of the upper housing and a sealing ring corresponding to the sealing groove fixedly connected to the top of the lower housing.

[0014] The high-efficiency gas-liquid separator of the above-mentioned high-flow CNG pressure regulating device includes: an installation ring sleeved on the outer surface of the lower shell; a connecting block fixedly connected to the surface of the installation ring; a fixing plate fixedly connected to the side of the connecting block away from the installation ring; and installation grooves symmetrically opened on the outer side of the surface of the fixing plate.

[0015] This utility model has the following beneficial effects:

[0016] The dismounting mechanism is arranged, the upper shell and the lower shell are connected under the action of the flange through the cooperation of the connecting holes and the fixing bolts, the dismounting is convenient, the opening and closing state is not easily changed, the air tightness between the upper shell and the lower shell is improved under the cooperation of the sealing groove and the sealing ring, the fixed plate is fixed at the required position, the lower shell is inserted into the mounting ring, the limiting of the lower shell is completed, the lower shell is prevented from shaking and tilting, the dismounting is convenient, and the sealing performance is good. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structure schematic view of the high-efficiency gas-liquid separator of the large-flow CNG pressure regulating device is provided for the embodiments of the utility model.

[0018] Figure 2 A structure schematic view of the drain pipe and the valve of the high-efficiency gas-liquid separator of the large-flow CNG pressure regulating device is provided for the embodiments of the utility model.

[0019] Figure 3 A structure schematic view of the dismounting mechanism in the high-efficiency gas-liquid separator of the large-flow CNG pressure regulating device is provided for the embodiments of the utility model.

[0020] Figure 4 A structure schematic view of the spiral air guide fin and the air inlet hole in the high-efficiency gas-liquid separator of the large-flow CNG pressure regulating device is provided for the embodiments of the utility model.

[0021] IN THE DRAWINGS:

[0022] 1, lower shell;2, air inlet pipe;3, upper shell;4, drain pipe;5, valve;6, dismounting mechanism;601, mounting ring;602, connecting block;603, fixed plate;604, mounting groove;605, sealing ring;606, sealing groove;607, flange;608, connecting hole;7, air outlet pipe;8, air guide pipe;9, gas collecting cover;10, partition;11, spiral air guide fin;13, air inlet hole. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model is further illustrated below by specific implementation manners in combination with the drawings.

[0024] Wherein, the drawings are only used for example illustration, and the representation is only a schematic view, not a real object drawing, and cannot be understood as the limitation of the patent;In order to better illustrate the embodiments of the utility model, some components of the drawings will be omitted, enlarged or reduced, and the size of the actual product is not represented;For those skilled in the art, it is understandable that some known structures and their descriptions in the drawings can be omitted.

[0025] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," "right," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0026] In the description of this utility model, unless otherwise explicitly specified and limited, the term "connection" or similar designation indicating the connection relationship between components should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Example

[0028] This embodiment provides a high-efficiency gas-liquid separator for a high-flow-rate CNG pressure regulating device, such as... Figures 1-4 As shown, it includes: a lower housing 1, an upper housing 3 on top of the lower housing 1, an air outlet pipe 7 fixedly connected to the top of the upper housing 3, and a guide pipe 8 connected to the air outlet pipe 7 fixedly connected inside the upper housing 3 below the air outlet pipe 7; a disassembly and assembly mechanism 6 for connecting the lower housing 1 and the upper housing 3; a gas-liquid separation mechanism for separating gas and liquid; an air inlet pipe 2 tangential to the lower housing 1 fixedly connected to the upper surface of the lower housing 1, an air inlet hole 13 opened at the connection between the air inlet pipe 2 and the lower housing 1, a drain pipe 4 fixedly connected to the bottom of the lower housing 1, and a valve 5 fixedly connected to the drain pipe 4.

[0029] A high-efficiency gas-liquid separator for a large-flow CNG pressure regulating device employing the above-mentioned technical solution is equipped with a disassembly and assembly mechanism 6. The upper housing 3 and the lower housing 1 are connected by the cooperation of the connecting hole 608 and the fixing bolt under the action of the flange 607. This facilitates disassembly and assembly without easily changing the opening and closing state. Furthermore, the cooperation of the sealing groove 606 and the sealing ring 605 improves the airtightness between the upper housing 3 and the lower housing 1. By fixing the fixing plate 603 in the required position and inserting the lower housing 1 into the mounting ring 601, the lower housing 1 can be limited, preventing it from shaking or tilting. This design facilitates disassembly and assembly and provides good sealing performance.

[0030] In order to guide the gas, realize solid-liquid separation, the gas-liquid separation mechanism includes the spiral air deflector 11 fixedly connected to the outer surface of the gas guide pipe 8, the spiral air deflector 11 is arranged in close contact with the inner wall of the lower shell 1, and the spiral air deflector 11 is arranged in a spiral downward.

[0031] In order to better improve the gas-liquid separation effect, the gas-liquid separation mechanism further includes the gas collecting cover 9 fixedly connected to the lower position of the surface of the gas guide pipe 8, the inner wall of the gas collecting cover 9 is uniformly distributed with a plurality of partition plates 10, the gas impacts the surface of the partition plate 10, and the liquid flows down along the partition plate 10, thereby improving the separation effect.

[0032] In order to make the gas discharged from the lower position inside the lower shell 1, the gas collecting cover 9 is arranged in a trumpet shape, and the gas guide pipe 8 extends to the lower position inside the lower shell 1.

[0033] In order to facilitate the installation and disassembly of the lower shell 1 and the upper shell 3, the disassembly mechanism 6 includes the flanges 607 fixedly connected to the bottom of the upper shell 3 and the top of the lower shell 1, the connecting holes 608 are uniformly arranged on the surfaces of the flanges 607, and the two flanges 607 are locked through bolts.

[0034] In order to improve the sealing property between the lower shell 1 and the upper shell 3, the disassembly mechanism 6 further includes the sealing grooves 606 arranged at the bottom of the upper shell 3, and the sealing rings 605 corresponding to the sealing grooves 606 are fixedly connected to the top of the lower shell 1.

[0035] In order to install and fix the lower shell 1, avoid tilting, the mounting ring 601 is sleeved with the outer surface of the lower shell 1, the connecting blocks 602 are fixedly connected to the surface of the mounting ring 601, the fixed plates 603 are fixedly connected to the side, away from the mounting ring 601, of the connecting blocks 602, and the mounting grooves 604 are symmetrically arranged at the outer positions on the surface of the fixed plates 603.

[0036] In summary, the high-efficiency gas-liquid separator of the large-flow CNG pressure regulating device has the following advantages: the disassembly mechanism 6 is arranged, the upper shell 3 and the lower shell 1 are connected under the action of the flanges 607 through the cooperation of the connecting holes 608 and the fixing bolts, the disassembly is convenient, and the open and closed states are not easily changed, the air tightness between the upper shell 3 and the lower shell 1 is improved under the cooperation of the sealing grooves 606 and the sealing rings 605, the fixed plates 603 are fixed at the required positions, the lower shell 1 is inserted into the mounting ring 601, the positioning of the lower shell 1 is completed, the lower shell 1 is prevented from shaking and tilting, the disassembly is convenient, and the sealing property is good.

[0037] In use, the air inlet pipe 2 is communicated with an air inlet pipe, the air outlet pipe 7 is communicated with an air outlet pipe, natural gas enters the lower shell 1 from the air inlet hole 13 through the air inlet pipe 2, under the guidance of the lower shell 1, the gas moves spirally downward, due to the different weights of gas and liquid, the liquid is thrown to the inner wall of the lower shell 1 under the action of centrifugal force, the gas enters the air guide pipe 8 from the bottom of the lower shell 1, and is discharged from the air outlet pipe 7, the liquid flows into the bottom of the lower shell 1 along the spiral air guide sheet 11 and is discharged, so that the gas and liquid are separated. The fixing bolt on the connecting hole 608 is disassembled, the upper shell 3 is taken upward, the lower shell 1 is separated from the upper shell 3, and quick assembly and disassembly are realized.

[0038] The above are only the preferred embodiments of the present application, and are not intended to limit the implementation and protection scope of the present application. For those skilled in the art, it should be realized that any equivalent replacement and obvious change made according to the content of the present application should be included in the protection scope of the present application.

Claims

1. A high-efficiency gas-liquid separator for a large-flow CNG pressure regulating device, characterized in that, include: The lower housing (1) has an upper housing (3) on its top. The upper housing (3) has an air outlet pipe (7) fixedly connected to its top. Inside the upper housing (3), below the air outlet pipe (7), there is a duct pipe (8) fixedly connected to the air outlet pipe (7). The disassembly and assembly mechanism (6) is used to connect the lower housing (1) and the upper housing (3); A gas-liquid separation mechanism separates gas and liquid; An air inlet pipe (2) tangential to the lower housing (1) is fixedly connected to the upper part of the surface of the lower housing (1). An air inlet hole (13) is provided at the connection between the air inlet pipe (2) and the lower housing (1). A drain pipe (4) is fixedly connected to the bottom of the lower housing (1). A valve (5) is fixedly connected to the drain pipe (4).

2. The high-efficiency gas-liquid separator of the large-flow CNG pressure regulating device according to claim 1, characterized in that, The gas-liquid separation mechanism includes a spiral air guide (11) fixedly connected to the outer surface of the air guide pipe (8). The spiral air guide (11) is fitted to the inner wall of the lower housing (1) and is spirally arranged downwards.

3. The high-efficiency gas-liquid separator of the large-flow CNG pressure regulating device according to claim 2, characterized in that, The gas-liquid separation mechanism also includes a gas collecting hood (9) fixedly connected to the lower part of the surface of the gas guide pipe (8), and multiple sets of partitions (10) are evenly distributed on the inner wall of the gas collecting hood (9).

4. The high-efficiency gas-liquid separator of the large-flow CNG pressure regulating device according to claim 3, characterized in that, The gas collection hood (9) is horn-shaped, and the air guide pipe (8) extends to the lower part of the lower housing (1).

5. The high-efficiency gas-liquid separator of the large-flow CNG pressure regulating device according to claim 1, characterized in that, The disassembly and assembly mechanism (6) includes flanges (607) fixedly connected to the bottom of the upper housing (3) and the top of the lower housing (1). Connection holes (608) are evenly opened on the surface of the flanges (607), and the two flanges (607) are locked together by bolts.

6. The high-efficiency gas-liquid separator of the large-flow CNG pressure regulating device according to claim 5, characterized in that, The disassembly and assembly mechanism (6) also includes a sealing groove (606) opened at the bottom of the upper housing (3), and a sealing ring (605) corresponding to the sealing groove (606) is fixedly connected to the top of the lower housing (1).

7. The high-efficiency gas-liquid separator of the large-flow CNG pressure regulating device according to claim 6, characterized in that, The lower housing (1) is fitted with an installation ring (601) on its outer surface. A connecting block (602) is fixedly connected to the surface of the installation ring (601). A fixing plate (603) is fixedly connected to the side of the connecting block (602) away from the installation ring (601). The fixing plate (603) has symmetrically opened installation grooves (604) on its outer side.

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