Helium compressor in prizing design

Abstract

The invention belongs to the technical field of helium compressors, and particularly relates to a helium compressor designed to be pried. According to the technical scheme, the helium compressor in the prizing design comprises a base, a compressor body and a pipeline assembly are installed on the base, the compressor body comprises a pressure-bearing shell, the two ends of the pressure-bearing shell are connected with end covers, a stator assembly is installed in the pressure-bearing shell, a rotor assembly is arranged in the stator assembly, and the rotor assembly is connected with the pressure-bearing shell. An auxiliary bearing and an electromagnetic bearing are installed on the rotor assembly, and an air inlet assembly and an air outlet assembly are further arranged on the pressure-bearing shell. The pipeline assembly comprises a helium pipeline assembly and a cooling water pipeline assembly connected to the helium pipeline assembly, the cooling water pipeline assembly is installed on the base, one end of the helium pipeline assembly is connected with the gas inlet assembly, and the other end of the helium pipeline assembly is connected with the gas outlet assembly. The invention provides a helium compressor designed to be pried.

Description

Technical Field

[0001] The invention belongs to the technical field of helium compressors, and in particular relates to a skid-designed helium compressor. Background Art

[0002] High temperature gas-cooled reactors use chemically inert and thermally efficient gases as coolants, fuel elements dispersed in graphite matrix made of all-ceramic fuel particles with excellent radioactive fission product binding performance, and high temperature resistant graphite as moderator and core structural material. High temperature gas-cooled reactor nuclear power plants have the characteristics of inherent safety, high power generation efficiency, and wide application. The new type of nuclear reactor with the main characteristics of the fourth generation nuclear energy system has received wide attention internationally.

[0003] The high temperature gas-cooled reactor has two independent reactivity control and shutdown systems based on different principles, namely the control rod system and the absorber ball shutdown system. The control rod system plays the role of normal reactivity control, compensation and regulation, as well as hot shutdown under various working conditions. The absorber ball shutdown system plays the role of backup shutdown and cold shutdown maintenance, ensuring the safe operation of the nuclear power plant. The reliability of the operation of the power equipment of the high temperature gas-cooled reactor fuel loading and unloading system is mainly determined by the helium compressor.

[0004] The full name of the helium compressor is the high temperature gas-cooled reactor fuel loading and unloading system helium compressor, which is the fuel ball helium pneumatic conveying system set up for the reactor of the high temperature gas-cooled reactor project. In addition to the function of conveying fuel balls, the helium compressor also has the function of conveying absorption balls, as well as the helium conveying function during accident dehumidification of the helium purification system and low-flow cooling operation of the core. However, the existing helium compressor layout is relatively complex and inconvenient to transport. Summary of the invention

[0005] In order to solve the above problems existing in the prior art, an object of the present invention is to provide a helium compressor with a skid design.

[0006] The technical solution adopted by the present invention is: A skid-designed helium compressor comprises a base, on which a compressor body and a pipeline assembly are mounted, the compressor body comprises a pressure-bearing shell, both ends of the pressure-bearing shell are connected with end covers, a stator assembly is mounted in the pressure-bearing shell, a rotor assembly is arranged in the stator assembly, an auxiliary bearing and an electromagnetic bearing are mounted on the rotor assembly, and an air inlet assembly and an air outlet assembly are also arranged on the pressure-bearing shell; the pipeline assembly comprises a helium pipeline assembly and a cooling water pipeline assembly connected to the helium pipeline assembly, the cooling water pipeline assembly is mounted on the base, one end of the helium pipeline assembly is connected to the air inlet assembly, and the other end of the helium pipeline assembly is connected to the air outlet assembly.

[0007] The compressor body and pipeline assembly of the present invention are both installed on the base, forming a skid design, which is convenient for transportation and avoids the trouble of repeated disassembly and assembly. The helium reaches the interior of the compressor body through the air intake assembly, and then reaches the cooling water pipeline assembly through the helium pipeline assembly after being pressurized by the compressor rotor assembly. Part of the helium in the cooling water pipeline assembly is used for the nuclear power system, and part enters the interior of the compressor body to cool the auxiliary bearings, electromagnetic bearings, stator assemblies, and rotor assemblies. The temperature rise of various parts in the compressor body can be controlled to ensure the normal operation of the helium compressor. The present invention is used for the fuel ball helium pneumatic conveying system of the high-temperature gas-cooled reactor project, which has the functions of conveying fuel balls, conveying absorption balls, and helium conveying during accident dehumidification of the helium purification system and low-flow cooling operation of the core.

[0008] As a preferred solution of the present invention, the auxiliary bearing, electromagnetic bearing, stator assembly and rotor assembly are sealed in a closed cavity formed by a pressure-bearing shell and an end cover. The closed cavity formed by the pressure-bearing shell and the end cover can achieve the purpose of heat insulation and protect the internal components of the closed cavity.

[0009] As a preferred solution of the present invention, it also includes a junction box assembly, a plurality of electrical penetrations are arranged on the pressure-bearing shell, and the junction box assembly is connected to the plurality of electrical penetrations.

[0010] As a preferred embodiment of the present invention, the junction box assembly includes several auxiliary outlet boxes, several bearing outlet boxes and a main outlet box, one of the electrical penetrations is electrically connected to the main outlet box, the remaining electrical penetrations are electrically connected to several bearing outlet boxes respectively, and the several bearing outlet boxes are electrically connected to the several auxiliary outlet boxes in a one-to-one correspondence.

[0011] As a preferred embodiment of the present invention, the helium pipeline assembly includes a main helium inlet pipe, a main helium outlet pipe and an auxiliary helium inlet pipe, the main helium inlet pipe is connected to the inlet assembly, the main helium outlet pipe is connected to the cooling water pipeline, and the auxiliary helium inlet pipe is connected between the cooling water pipeline and the pressure shell. Helium passes through the multiple inlets of the main helium inlet pipe through the inlet assembly to the inside of the compressor body, and then after being pressurized by the rotor assembly, it reaches the cooling water pipeline assembly through the main helium outlet pipe.

[0012] As a preferred solution of the present invention, the helium-assisted air intake pipe includes a plurality of pipelines, and the plurality of pipelines of the helium-assisted air intake pipe are respectively connected to different areas of the pressure shell.

[0013] As a preferred embodiment of the present invention, part of the helium in the cooling water pipeline is used for the nuclear power system, and part enters the pressure shell through the helium auxiliary air intake system to cool the auxiliary bearings, electromagnetic bearings, stator assemblies and rotor assemblies.

[0014] As a preferred solution of the present invention, the base includes a cylinder base and a pipeline base, a support base is fixed on the cylinder base, the pressure shell is installed on the support base, and the cooling water pipeline assembly is installed on the pipeline base.

[0015] As a preferred solution of the present invention, the bottom of the base is provided with a plurality of adjustment components; the adjustment components include a pad, and the upper side of the pad is provided with a plurality of adjustment bolts, and the adjustment bolts are threadedly connected with the bottom of the base. By setting the depth of the adjustment bolts screwed into the base, the horizontal accuracy of the base in all directions can be adjusted to 0.1 mm / m.

[0016] As a preferred solution of the present invention, the adjusting bolts are distributed in a triangular shape on the backing plate, and the adjusting bolts and the backing plate are spot welded together after the base is aligned.

[0017] The beneficial effects of the present invention are: The compressor body and pipeline assembly of the present invention are both installed on the base, forming a skid design, which is convenient for transportation and avoids the trouble of repeated disassembly and assembly. The helium reaches the interior of the compressor body through the air intake assembly, and then reaches the cooling water pipeline assembly through the helium pipeline assembly after being pressurized by the compressor rotor assembly. Part of the helium in the cooling water pipeline assembly is used for the nuclear power system, and part enters the interior of the compressor body to cool the auxiliary bearings, electromagnetic bearings, stator assemblies, and rotor assemblies. The temperature rise of various parts in the compressor body can be controlled to ensure the normal operation of the helium compressor. The present invention is used for the fuel ball helium pneumatic conveying system of the high-temperature gas-cooled reactor project, which has the functions of conveying fuel balls, conveying absorption balls, and helium conveying during accident dehumidification of the helium purification system and low-flow cooling operation of the core. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a left side view of the present invention; Figure 3 is a cross-sectional view of the present invention; Figure 4 It is a structural diagram of the regulating component.

[0019] In the figure: 1- compressor body; 2- base; 3- junction box assembly; 4- pipeline assembly; 5- adjustment assembly; 101- pressure shell; 102- support seat; 103- end cover; 104- auxiliary bearing; 105- electromagnetic bearing; 106- stator assembly; 107- rotor assembly; 108- electrical penetration; 109- air inlet assembly; 110- air outlet assembly; 201- cylinder base; 202- pipeline base; 301- auxiliary outlet box; 302- bearing outlet box; 303- main outlet box; 401- helium pipeline assembly; 402- cooling water pipeline assembly; 501- pad; 502- adjusting bolt; 401a- helium main inlet pipe; 401b- helium main outlet pipe; 401c- helium auxiliary inlet pipe. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0022] like Figure 1 to Figure 4 As shown, the skid-type helium compressor of the present embodiment comprises a base 2, on which a compressor body 1 and a pipeline assembly 4 are mounted, the compressor body 1 comprises a pressure shell 101 mounted thereon, both ends of the pressure shell 101 are connected with end covers 103, a stator assembly 106 is mounted in the pressure shell 101, a rotor assembly 107 is arranged in the stator assembly 106, an auxiliary bearing 104 and an electromagnetic bearing 105 are mounted on the rotor assembly 107, and an air inlet assembly 109 and an air outlet assembly 110 are also arranged on the pressure shell 101; the pipeline assembly 4 comprises a helium pipeline assembly 401 and a cooling water pipeline assembly 402 connected to the helium pipeline assembly 401, the cooling water pipeline assembly 402 is mounted on the base 2, one end of the helium pipeline assembly 401 is connected to the air inlet assembly 109, and the other end of the helium pipeline assembly 401 is connected to the air outlet assembly 110.

[0023] The compressor body 1 and the pipeline assembly 4 of the present invention are both installed on the base 2, forming a skid design, which is convenient for transportation and avoids the trouble of repeated disassembly and assembly. The helium reaches the inside of the compressor body 1 through the air intake assembly 109, and then reaches the cooling water pipeline assembly 402 through the helium pipeline assembly 401 after being pressurized by the compressor rotor assembly 107. Part of the helium in the cooling water pipeline assembly 402 is used for the nuclear power system, and part enters the inside of the compressor body 1 to cool the auxiliary bearing 104, the electromagnetic bearing 105, the stator assembly 106, and the rotor assembly 107, which can control the temperature rise of various parts in the compressor body 1 and ensure the normal operation of the helium compressor. The fuel ball helium pneumatic conveying system of the present invention is used for the high-temperature gas-cooled reactor project, and has the functions of conveying fuel balls, conveying absorption balls, and helium conveying during accident dehumidification of the helium purification system and small-flow cooling operation of the core.

[0024] The auxiliary bearing 104, electromagnetic bearing 105, stator assembly 106 and rotor assembly 107 are sealed in a closed cavity formed by the pressure shell 101 and the end cover 103. The closed cavity formed by the pressure shell 101 and the end cover 103 can achieve the purpose of heat insulation and protect the internal components of the closed cavity.

[0025] The present invention further comprises a junction box assembly 3 . A plurality of electrical penetrations 108 are arranged on the pressure-bearing shell 101 . The junction box assembly 3 is connected to the plurality of electrical penetrations 108 .

[0026] The junction box assembly 3 includes several auxiliary outlet boxes 301, several bearing outlet boxes 302 and a main outlet box 303, one electrical penetration 108 is electrically connected to the main outlet box 303, and the remaining electrical penetrations 108 are electrically connected to several bearing outlet boxes 302 respectively, and several bearing outlet boxes 302 are electrically connected to several auxiliary outlet boxes 301 one by one.

[0027] Specifically, the helium pipeline assembly 401 includes a helium main inlet pipe 401a, a helium main outlet pipe 401b and a helium auxiliary inlet pipe 401c, wherein the helium main inlet pipe 401a is connected to the inlet assembly 109, the helium main outlet pipe 401b is connected to the cooling water pipeline, and the helium auxiliary inlet pipe 401c is connected between the cooling water pipeline and the pressure shell 101. Helium passes through the multiple inlets of the helium main inlet pipe 401a via the inlet assembly 109 to reach the inside of the compressor body 1, and then, after being pressurized by the rotor assembly 107, reaches the cooling water pipeline assembly 402 via the helium main outlet pipe 401b.

[0028] The helium auxiliary air intake pipe 401 c includes a plurality of pipelines, and the plurality of pipelines of the helium auxiliary air intake pipe 401 c are respectively connected to different areas of the pressure shell 101 .

[0029] Part of the helium in the cooling water pipeline is used in the nuclear power system, and part enters the pressure shell 101 through the helium auxiliary air intake system to cool the auxiliary bearing 104, the electromagnetic bearing 105, the stator assembly 106 and the rotor assembly 107.

[0030] Specifically, the base 2 includes a cylinder base 201 and a pipeline base 202 . A support base 102 is fixed on the cylinder base 201 . The pressure shell 101 is installed on the support base 102 . The cooling water pipeline assembly 402 is installed on the pipeline base 202 .

[0031] The bottom of the base 2 is provided with a plurality of adjustment components 5; the adjustment components 5 include a pad 501, and a plurality of adjustment bolts 502 are provided on the upper side of the pad 501, and the adjustment bolts 502 are threadedly connected with the bottom of the base 2. By setting the depth of the adjustment bolts 502 screwed into the base 2, the horizontal accuracy of the base 2 in all directions can be adjusted to 0.1 mm / m.

[0032] The adjusting bolts 502 are distributed in a triangular shape on the backing plate 501 . After the base 2 is aligned, the adjusting bolts 502 and the backing plate 501 are spot welded together.

[0033] The present invention is not limited to the above-mentioned optional implementation modes. Anyone can derive other various forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, all technical solutions that fall within the scope defined by the claims of the present invention fall within the protection scope of the present invention.

Claims

1. A skid-designed helium compressor, characterized in that: The invention comprises a base (2), a compressor body (1) and a pipeline assembly (4) being mounted on the base (2), the compressor body (1) comprising a pressure-bearing shell (101) being mounted thereon, end covers (103) being connected to both ends of the pressure-bearing shell (101), a stator assembly (106) being mounted in the pressure-bearing shell (101), a rotor assembly (107) being arranged in the stator assembly (106), an auxiliary bearing (104) and an electromagnetic bearing (105) being mounted on the rotor assembly (107), and the pressure-bearing shell (101) being provided with a pressure-bearing compressor body (101). An air inlet assembly (109) and an air outlet assembly (110) are also provided on the shell (101); the pipeline assembly (4) comprises a helium pipeline assembly (401) and a cooling water pipeline assembly (402) connected to the helium pipeline assembly (401); the cooling water pipeline assembly (402) is mounted on the base (2); one end of the helium pipeline assembly (401) is connected to the air inlet assembly (109), and the other end of the helium pipeline assembly (401) is connected to the air outlet assembly (110).

2. The skid-type helium compressor according to claim 1, characterized in that: The auxiliary bearing (104), the electromagnetic bearing (105), the stator assembly (106) and the rotor assembly (107) are sealed in a closed cavity formed by the pressure-bearing shell (101) and the end cover (103).

3. The skid-designed helium compressor according to claim 1, characterized in that: It also comprises a junction box assembly (3), wherein a plurality of electrical penetration pieces (108) are arranged on the pressure-bearing housing (101), and the junction box assembly (3) is connected to the plurality of electrical penetration pieces (108).

4. The skid-designed helium compressor according to claim 3, characterized in that: The junction box assembly (3) comprises a plurality of auxiliary outlet boxes (301), a plurality of bearing outlet boxes (302) and a main outlet box (303), wherein one electrical penetration piece (108) is electrically connected to the main outlet box (303), and the remaining electrical penetration pieces (108) are electrically connected to the plurality of bearing outlet boxes (302), respectively; and the plurality of bearing outlet boxes (302) are electrically connected to the plurality of auxiliary outlet boxes (301) in a one-to-one correspondence.

5. The skid-designed helium compressor according to claim 1, characterized in that: The helium pipeline assembly (401) comprises a main helium inlet pipe (401a), a main helium outlet pipe (401b) and an auxiliary helium inlet pipe (401c); the main helium inlet pipe (401a) is connected to the inlet assembly (109), the main helium outlet pipe (401b) is connected to the cooling water pipeline, and the auxiliary helium inlet pipe (401c) is connected between the cooling water pipeline and the pressure-bearing shell (101).

6. The skid-designed helium compressor according to claim 5, characterized in that: The helium auxiliary air intake pipe (401c) comprises a plurality of pipelines, and the plurality of pipelines of the helium auxiliary air intake pipe (401c) are respectively connected to different areas of the pressure-bearing shell (101).

7. The skid-designed helium compressor according to claim 5, characterized in that: Part of the helium in the cooling water pipeline is used in the nuclear power system, and part enters the interior of the pressure shell (101) through the helium auxiliary air intake system.

8. The skid-designed helium compressor according to claim 1, characterized in that: The base (2) comprises a cylinder base (201) and a pipeline base (202); a support base (102) is fixed on the cylinder base (201); the pressure-bearing shell (101) is mounted on the support base (102); and the cooling water pipeline assembly (402) is mounted on the pipeline base (202).

9. The skid-designed helium compressor according to claim 1, characterized in that: A plurality of adjustment components (5) are arranged at the bottom of the base (2); the adjustment components (5) comprise a backing plate (501), a plurality of adjustment bolts (502) are arranged on the upper side of the backing plate (501), and the adjustment bolts (502) are threadedly connected to the bottom of the base (2).

10. The skid-designed helium compressor according to claim 9, characterized in that: The adjusting bolts (502) are distributed in a triangular shape on the backing plate (501), and after the base (2) is aligned, the adjusting bolts (502) and the backing plate (501) are spot welded together.

Images