A high pressure liquid flow degassing device

Abstract

The utility model relates to the field of aerospace technology, specifically a high-pressure liquid flow degassing device, including a degassing assembly, a mounting assembly is installed at the bottom of the degassing assembly, an exhaust valve is installed at the top of the degassing assembly, and the degassing assembly includes a pressure shell, a first degassing chamber is arranged inside the pressure shell, a second degassing chamber is arranged on one side of the first degassing chamber, and a through groove is arranged on the top of the second degassing chamber. The improved high-pressure liquid flow degassing device is provided with high-pressure liquid pipes and degassing chambers of different diameters inside. After entering the device, the high-pressure liquid partially reduces the flow rate to form a flow pressure difference, and cooperates with the filter element to facilitate the precipitation of gas, thereby improving the degassing effect of the degassing device, and further improving the use effect of high-pressure liquid in aerospace. At the same time, a flange connection is provided inside to cooperate with the connection screw fixing method, which is convenient for timely installation of the degassing device when needed, and improves the adaptability of the degassing device in aerospace.

Description

Technical Field

[0001] The utility model relates to the technical field of aerospace, in particular to a high-pressure liquid flow degassing device. Background Art

[0002] Aerospace technology refers to the navigation activities of manned or unmanned aircraft in and outside the Earth's atmosphere, also known as space flight or space navigation. Aerospace technology is the product of human expansion of the atmosphere and outer space. In aerospace, high-pressure liquids are needed in many places and need to be tested.

[0003] Common high-pressure liquids are mostly fuel energy, fluid machinery drive fluids, etc., and usually need to be tested for internal conditions before use. Since bubbles or gases dissolved in the liquid flow cannot be removed under high pressure, at the inlet or outlet of the test product, due to changes in flow rate and pressure, gas or bubbles precipitate, causing measurement errors. Therefore, in order to ensure the normal use of high-pressure liquids, it is usually necessary to degas them.

[0004] In the process of realizing the utility model, the inventors found that the prior art had the following problems: 1. When performing the degassing operation, the high-pressure liquid in the common degassing device flows too fast, resulting in the air in the bubbles not being properly discharged, thereby affecting the use of the high-pressure liquid in aerospace; 2. Most common degassing devices are complicated to assemble and cannot be installed and used in time when needed, resulting in reduced adaptability to aerospace needs. Utility Model Content

[0005] The purpose of the utility model is to provide a high-pressure liquid flow degassing device to solve the problem that the common degassing device proposed in the above background technology has a high-pressure liquid flow speed when performing degassing operation, resulting in the air in the bubbles not being properly discharged by the degassing device, and most of the degassing devices are complicated to assemble and cannot meet the needs of aerospace. To achieve the above purpose, the utility model provides the following technical solutions: a high-pressure liquid flow degassing device, including a degassing assembly, a mounting assembly installed at the bottom of the degassing assembly, and an exhaust valve installed at the top of the degassing assembly.

[0006] The degassing assembly includes a pressure shell, a first degassing chamber is arranged inside the pressure shell, a second degassing chamber is arranged on one side of the first degassing chamber, a through groove is arranged on the top of the second degassing chamber, a filter element is arranged inside the second degassing chamber, an upper sealing groove is embedded in the bottom of the pressure shell, a mounting seat is welded to the bottom outer wall of the pressure shell, and a connecting screw passes through the top of the mounting seat.

[0007] The mounting assembly includes a base, a liquid inlet groove penetrates one end of the top of the base, a liquid inlet pipe is installed inside the liquid inlet groove, a liquid outlet groove is provided on one side of the liquid inlet groove, a liquid outlet pipe is installed inside the liquid outlet groove, a lower sealing groove is embedded in the top of the liquid outlet groove, a sealing ring is installed inside the lower sealing groove, and threaded holes are embedded around the top of the base.

[0008] Further preferably, the first degassing chamber and the second degassing chamber are connected to each other through a through groove at the top, and the exhaust valve is arranged at the top of the through groove, and the exhaust valve is a timed electric switch valve with an internal float structure.

[0009] Further preferably, the cross-sectional diameters of the first degassing chamber and the second degassing chamber are more than twice the top diameters of the liquid inlet pipe and the liquid outlet pipe, respectively.

[0010] Further preferably, the tops of the liquid inlet groove and the liquid outlet groove are respectively fitted with the bottoms of the first degassing chamber and the second degassing chamber, and the tops of the liquid inlet groove and the liquid outlet groove are both embedded with a lower sealing groove, and the sealing ring is installed inside the lower sealing groove to form a fitting connection structure with the inner wall of the upper sealing groove.

[0011] Further preferably, the mounting seat is connected to the base flange, and the connecting screws pass through the top periphery of the mounting seat and form a threaded connection structure with the threaded hole.

[0012] Further preferably, there are two filter elements, which are installed in the first degassing chamber and the second degassing chamber respectively, and the filter element is a cylindrical structure of glass fiber and sintered ceramic, and metal cotton and organic cotton are arranged inside the filter element.

[0013] Further preferably, the exhaust valve, the base and the pressure shell are all made of corrosion-resistant duplex stainless steel.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In the utility model, high-pressure liquid pipelines and degassing chambers with different pipe diameters are arranged inside, so that the high-pressure liquid can reduce its flow rate locally after entering the degassing chamber, forming a flow pressure difference to cause dissolved gas or bubbles to precipitate, and cooperate with the filter cotton in the internal filter element to concentrate the bubbles or gas in the through groove at the top and cooperate with the exhaust valve for centralized discharge, which is convenient for the discharge of bubbles in the high-pressure liquid and improves the use effect of the high-pressure liquid in aerospace.

[0016] In the utility model, a flange connection is arranged inside to cooperate with connecting screws for fixing, and the degassing device is assembled, thereby improving the assembly efficiency of the degassing device and facilitating timely use. At the same time, a sealing groove and a sealing ring are arranged at the connection in the pipeline to increase the sealing performance of the degassing device when it is used, so that the degassing device can better meet the needs of aerospace and improve the adaptability of the degassing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the enlarged structure of the internal explosion of the getter assembly of the utility model;

[0020] Figure 4 This is a schematic diagram of the exploded and enlarged structure of the installation component of the utility model.

[0021] In the figure: 1. degassing assembly; 101. pressure shell; 102. first degassing chamber; 103. second degassing chamber; 104. through groove; 105. filter element; 106. upper sealing groove; 107. mounting seat; 108. connecting screws; 2. mounting assembly; 201. base; 202. liquid inlet groove; 203. liquid inlet pipe; 204. liquid outlet groove; 205. liquid outlet pipe; 206. lower sealing groove; 207. sealing ring; 208. threaded hole; 3. exhaust valve. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 4 The utility model provides a technical solution: a high-pressure liquid flow degassing device, comprising a degassing component 1, a mounting component 2 is installed at the bottom of the degassing component 1, and an exhaust valve 3 is installed at the top of the degassing component 1.

[0024] The degassing assembly 1 includes a pressure shell 101, a first degassing chamber 102 is arranged inside the pressure shell 101, a second degassing chamber 103 is arranged on one side of the first degassing chamber 102, a through groove 104 is arranged on the top of the second degassing chamber 103, a filter element 105 is arranged inside the second degassing chamber 103, an upper sealing groove 106 is embedded in the bottom of the pressure shell 101, a mounting seat 107 is welded to the bottom outer wall of the pressure shell 101, and a connecting screw 108 passes through the top of the mounting seat 107.

[0025] The mounting assembly 2 includes a base 201, a liquid inlet groove 202 passing through one end of the top of the base 201, a liquid inlet pipe 203 is installed inside the liquid inlet groove 202, a liquid outlet groove 204 is provided on one side of the liquid inlet groove 202, a liquid outlet pipe 205 is installed inside the liquid outlet groove 204, a lower sealing groove 206 is embedded in the top of the liquid outlet groove 204, a sealing ring 207 is installed inside the lower sealing groove 206, and threaded holes 208 are embedded around the top of the base 201.

[0026] In this embodiment, Figure 2 and Figure 3 As shown, the first degassing chamber 102 and the second degassing chamber 103 are interconnected through a through groove 104 at the top, and the exhaust valve 3 is arranged at the top of the through groove 104, and the exhaust valve 3 is a timed electric switch valve with an internal float structure; by arranging the through groove 104 at the top, the bubbles and gas generated by the high-pressure liquid in the two degassing chambers in the degassing device are collected and discharged through the exhaust valve 3, which is convenient for controlling the exhaust operation of the degassing device and improving the exhaust effect of the degassing device.

[0027] In this embodiment, Figure 2 and Figure 3 As shown, the cross-sectional diameters of the first degassing chamber 102 and the second degassing chamber 103 are more than twice the top diameters of the liquid inlet pipe 203 and the liquid outlet pipe 205, respectively; by setting the connection between the degassing chamber and the two high-pressure liquid pipes to different pipe diameters, the local flow velocity of the high-pressure liquid is reduced, forming a certain flow pressure difference, thereby facilitating the precipitation of gas and bubbles in the high-pressure liquid through the filter element 105, thereby improving the degassing effect of the degassing device.

[0028] In this embodiment, Figure 2 and Figure 3 As shown, the tops of the liquid inlet groove 202 and the liquid outlet groove 204 are respectively fitted with the bottoms of the first degassing chamber 102 and the second degassing chamber 103, and the tops of the liquid inlet groove 202 and the liquid outlet groove 204 are both embedded with a lower sealing groove 206, and the sealing ring 207 is installed inside the lower sealing groove 206 to form a fitting connection structure with the inner wall of the upper sealing groove 106; by arranging a sealing groove and a sealing ring 207 at the connection between the high-pressure liquid pipe and the degassing chamber, the sealing of the connection is increased, the sealing of the degassing device is improved, and then the degassing effect of the degassing device is improved.

[0029] In this embodiment, Figure 1 and Figure 4As shown, the mounting seat 107 is flange-connected to the base 201, and the connecting screw 108 passes through the top of the mounting seat 107 and the threaded hole 208 to form a threaded connection structure; the degassing device is assembled by means of flange connection in conjunction with the threaded connection of the connecting screw 108, thereby improving the installation efficiency of the degassing device and further improving the use efficiency of the degassing device in aerospace.

[0030] In this embodiment, Figure 2 and Figure 3 As shown, there are two filter elements 105, which are respectively installed in the first degassing chamber 102 and the second degassing chamber 103, and the filter element 105 is a cylindrical structure of glass fiber and sintered ceramic, and metal wool and organic cotton are arranged inside the filter element 105; the high-pressure liquid is degassed by the two filter elements 105 cooperating with the two degassing chambers, and the metal wool arranged in the filter element 105 can effectively slow down the flow rate, improve the precipitation effect of the gas in the high-pressure liquid flow, and thereby improve the use effect of the degassing device.

[0031] In this embodiment, Figure 1 and Figure 4 As shown, the exhaust valve 3, the base 201 and the pressure shell 101 are all made of corrosion-resistant duplex stainless steel; the degassing device made of corrosion-resistant material can effectively degas non-corrosive liquids such as water, ethylene glycol solution, diesel, gasoline, kerosene, high-density hydrocarbons, hydraulic oil, etc., and can also be used in offshore operations to improve the adaptability of the degassing device for use in aerospace.

[0032] The use method and advantages of the utility model: When the high-pressure liquid flow degassing device is used, the working process is as follows:

[0033] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, first, the operator sequentially places the two filter elements 105 in the degassing device into the first degassing chamber 102 and the second degassing chamber 103 in the pressure shell 101 for fixing; then, the mounting seat 107 on the outer wall of the bottom of the pressure shell 101 is flange-connected with the base 201, so that the upper sealing grooves 106 on the outside of the first degassing chamber 102 and the second degassing chamber 103 are sequentially fitted with the lower sealing grooves 206 on the tops of the liquid inlet groove 202 and the liquid outlet groove 204, and the sealing ring 207 is fitted with the inner walls of the two sealing grooves, and the connecting screws 108 are used to match the threaded holes 208 around the top of the base 201 for fixing; then, the liquid inlet pipe 20 3 is docked with the high-pressure liquid to be degassed, so that the high-pressure liquid enters the filter element 105 in the first degassing chamber 102 through the liquid inlet pipe 203, and a flow pressure difference is formed inside in conjunction with the different pipe diameters, and the gas in the high-pressure liquid is precipitated in conjunction with the filter cotton in the filter element 105, and enters the exhaust valve 3 through the through groove 104 on the top for centralized collection. At the same time, the high-pressure liquid enters the second degassing chamber 103 through the through groove 104 and cooperates with the internal filter element 105 for further degassing, and is discharged from the liquid outlet pipe 205; finally, the exhaust valve 3 is opened to discharge the gas in the collected high-pressure liquid in a centralized manner, and the degassing operation of the degassing device can be completed.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high-pressure liquid degassing device, comprising a degassing assembly (1), characterized in that: A mounting assembly (2) is installed at the bottom of the degassing assembly (1), and an exhaust valve (3) is installed at the top of the degassing assembly (1); The degassing assembly (1) comprises a pressure shell (101), a first degassing chamber (102) is arranged inside the pressure shell (101), a second degassing chamber (103) is arranged on one side of the first degassing chamber (102), a through groove (104) is arranged on the top of the second degassing chamber (103), a filter element (105) is arranged inside the second degassing chamber (103), an upper sealing groove (106) is embedded in the bottom of the pressure shell (101), a mounting seat (107) is welded to the outer wall of the bottom of the pressure shell (101), and a connecting screw (108) passes through the top of the mounting seat (107); The mounting assembly (2) comprises a base (201), a liquid inlet groove (202) passing through one end of the top of the base (201), a liquid inlet pipe (203) being installed inside the liquid inlet groove (202), a liquid outlet groove (204) being provided on one side of the liquid inlet groove (202), a liquid outlet pipe (205) being installed inside the liquid outlet groove (204), a lower sealing groove (206) being embedded in the top of the liquid outlet groove (204), a sealing ring (207) being installed inside the lower sealing groove (206), and threaded holes (208) being embedded around the top of the base (201).

2. A high pressure liquid flow degassing device according to claim 1, characterized in that: The first degassing chamber (102) and the second degassing chamber (103) are connected to each other via a through groove (104) at the top, and the exhaust valve (3) is arranged at the top of the through groove (104), and the exhaust valve (3) is a timed electric switch valve with an internal float structure.

3. A high pressure liquid flow degassing device according to claim 1, characterized in that: The cross-sectional diameters of the first degassing chamber (102) and the second degassing chamber (103) are respectively more than twice the top diameters of the liquid inlet pipe (203) and the liquid outlet pipe (205).

4. A high pressure liquid flow degassing device according to claim 1, characterized in that: The tops of the liquid inlet groove (202) and the liquid outlet groove (204) are respectively fitted with the bottoms of the first degassing chamber (102) and the second degassing chamber (103), and the tops of the liquid inlet groove (202) and the liquid outlet groove (204) are both embedded with a lower sealing groove (206), and the sealing ring (207) is installed inside the lower sealing groove (206) to form a fitting connection structure with the inner wall of the upper sealing groove (106).

5. A high pressure liquid flow degassing device according to claim 1, characterized in that: The mounting seat (107) is flange-connected to the base (201), and the connecting screw (108) passes through the top periphery of the mounting seat (107) and forms a threaded connection structure with the threaded hole (208).

6. A high pressure liquid flow degassing device according to claim 1, characterized in that: There are two filter elements (105), which are installed in the first degassing chamber (102) and the second degassing chamber (103) respectively. The filter element (105) is a cylindrical structure of glass fiber and sintered ceramics. Metal wool and organic cotton are arranged inside the filter element (105).

7. A high pressure liquid flow degassing device according to claim 1, characterized in that: The exhaust valve (3), the base (201) and the pressure shell (101) are all made of corrosion-resistant duplex stainless steel.

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