High temperature gas-cooled reactor and its ball release device

Abstract

The present invention discloses a high-temperature gas-cooled reactor and a ball-releasing device thereof, wherein the ball-releasing device of the high-temperature gas-cooled reactor comprises a ball-releasing valve body, a flange mounting part, a box body, a baffle, an exhaust valve and an actuator, and the ball-releasing valve body comprises a ball provided with a ball center hole. The flange mounting parts comprise two, and the two flange mounting parts are respectively mounted on opposite sides of the ball-releasing valve body, and the flange is provided with a flange end hole capable of being connected to the ball center hole for feeding. The inner wall of the box body forms an installation through hole that is sealed and fitted with the outer wall of the ball-releasing valve body, and the two sides of the box body are respectively connected one-to-one with the two flange mounting parts, and the box body is provided with a ball-releasing hole capable of being connected to the ball center hole for feeding; when the ball-releasing valve body is in the first working position, the ball center hole is connected to the flange end hole, and the side wall of the ball body blocks the ball-releasing hole; when the ball-releasing valve body is in the second working position, the ball center hole is connected to the ball-releasing hole, and the side wall of the ball body blocks the flange end hole. The baffle blocks and opens the ball-releasing hole. The exhaust valve is connected to the baffle plate, and is used for exhausting the ball hole, and the actuator drives the ball body to rotate.

Description

Technical Field

[0001] The present invention relates to the field of nuclear energy application technology, and in particular to a ball release device for a high temperature gas-cooled reactor. The present invention also relates to a high temperature gas-cooled reactor comprising the ball release device. Background Art

[0002] In nuclear energy applications, high-temperature gas-cooled reactors use non-stop fuel replacement technology, and the fuel elements are spherical.

[0003] During the pressurized commissioning of the high-temperature gas-cooled reactor, the fuel elements need to be placed inside the reactor. The traditional method is to add a bypass and an isolation valve to the process pipeline, where the bypass is connected in parallel with some sections of the process pipeline, which requires a large amount of space and cost. At the same time, after the pressure is released and the elements are placed, they need to be pressurized, which takes a long time, resulting in low efficiency in the pressurized ball test of the high-temperature gas-cooled reactor.

[0004] Therefore, how to improve the work efficiency of ball passing commissioning of a high-temperature gas-cooled reactor is a technical problem that needs to be solved urgently by those skilled in the art. Summary of the invention

[0005] The object of the present invention is to provide a ball placing device for a high temperature gas-cooled reactor to improve the working efficiency of ball passing and debugging of a high temperature gas-cooled reactor. Another object of the present invention is to provide a high temperature gas-cooled reactor including the ball placing device.

[0006] To achieve the above object, the present invention provides a ball release device for a high temperature gas-cooled reactor, comprising:

[0007] A ball valve body, the ball valve body comprising a ball with a ball center hole;

[0008] Flange mounting parts, the flange mounting parts include two flange mounting parts, the two flange mounting parts are respectively mounted on opposite sides of the ball valve body, and the flange mounting parts are provided with flange end holes that can be connected to the ball center hole for feeding;

[0009] A box body, wherein the inner wall of the box body forms a mounting through hole which is sealed and fitted with the outer wall of the ball release valve body, and the two sides of the box body are respectively connected one-to-one with the two flange mounting parts, and the box body is provided with a ball release hole which can be connected with the ball center hole for feeding; when the ball release valve body is in the first working position, the ball center hole is connected with the flange end hole, and the ball side wall blocks the ball release hole; when the ball release valve body is in the second working position, the ball center hole is connected with the ball release hole, and the ball side wall blocks the flange end hole;

[0010] A baffle for blocking and opening the ball placing hole;

[0011] An exhaust valve connected to the baffle plate and used for exhausting the ball release hole; and

[0012] An actuator that drives the sphere to rotate.

[0013] Preferably, the center of the sphere is located on a plane formed by the extension lines of the two flange end hole axes and the extension line of the ball placing hole axis.

[0014] Preferably, the spherical center hole is a cylindrical hole, and at least one of the flange end hole and the ball placing hole is a cylindrical hole having the same diameter as the spherical center hole.

[0015] Preferably, the ball valve body also includes two ball seats arranged on opposite sides of the ball and connected one-to-one with the inner side of the flange mounting member. The ball seats are slidingly sealed with the ball, and the ball seats are provided with ball seat holes that can be connected with the ball center hole and are used for allowing materials to pass through.

[0016] Preferably, it also includes a tightening spring for pressing the ball seat and the ball body together, the outer wall of the ball seat is provided with a first step, the flange mounting member is provided with a second step, a cavity for installing the tightening spring is formed between the first step and the second step, one end of the tightening spring abuts against the step surface of the first step, and the other end abuts against the step surface of the second step.

[0017] Preferably, a spherical sealing ring is provided between the ball seat and the ball connecting surface.

[0018] Preferably, it also includes a limiting shaft whose end is rotatably connected to the first end of the sphere, the limiting shaft is detachably sealed to the box, the end of the limiting shaft penetrates into the interior of the sphere, and the end of the limiting shaft is a cylindrical shaft, and the axis extension line passes through the center of the sphere.

[0019] Preferably, the actuator is arranged at the second end of the sphere, and the first end of the sphere and the second end of the sphere are opposite ends of the sphere;

[0020] The actuator comprises a transmission shaft for driving the ball to rotate and a driving device for driving the transmission shaft to rotate. The side wall of the transmission shaft and the side wall of the box body can be rotatably sealed.

[0021] Preferably, the actuator further comprises:

[0022] An end cover, wherein the end cover is fixedly connected to the box body at a side away from the spherical body, a first shaft shoulder for a sealing ring shaft seal is provided on the outer periphery of the transmission shaft, and a second shaft shoulder for a sealing ring shaft seal abutting against the first end of the first shaft shoulder is provided on the box body; a middle through hole of the end cover is sleeved on the outer side of the transmission shaft, and the second end of the first shaft shoulder is located in the middle through hole, and an elastic filler is filled between the middle through hole and the outer wall of the transmission shaft;

[0023] A packing pressure ring, wherein the packing pressure ring is sleeved on the outside of the transmission shaft, and the end cover away from the box body is sleeved on the outside of the first end of the packing pressure ring and can slide relative to the end cover along the axial direction of the transmission shaft, and the opposite ends of the elastic packing are respectively abutted against the packing pressure ring and the second end of the first shaft shoulder;

[0024] A gland, wherein the gland is sleeved on the outside of the transmission shaft and abuts against the second end of the packing ring, the first end of the packing ring and the second end of the packing ring are opposite ends of the packing ring, and the abutting surface between the packing ring and the gland is a conical self-aligning surface of a conical structure; and

[0025] An elastic locking member, wherein the elastic locking member comprises an elastic telescopic member that is telescopic along the axial direction of the transmission shaft, and the elastic telescopic member is used to press the gland and the end cover.

[0026] A high temperature gas-cooled reactor comprises a process pipeline and also comprises a ball release device as described in any one of the above items, wherein the ball release device is connected to the process pipeline.

[0027] In the above technical scheme, the ball discharge device of the high temperature gas-cooled reactor provided by the present invention includes a ball discharge valve body, a flange mounting part, a box body, a baffle, an exhaust valve and an actuator, and the ball discharge valve body includes a ball provided with a ball center hole. The flange mounting parts include two, and the two flange mounting parts are respectively installed on the opposite sides of the ball discharge valve body, and the flange is provided with a flange end hole that can be connected to the ball center hole for feeding. The inner wall of the box body forms a mounting through hole that is sealed and fitted with the outer wall of the ball discharge valve body, and the two sides of the box body are respectively connected one-to-one with the two flange mounting parts, and the box body is provided with a ball discharge hole that can be connected to the ball center hole for feeding; when the ball discharge valve body is in the first working position, the ball center hole is connected to the flange end hole, and the side wall of the ball blocks the ball discharge hole; when the ball discharge valve body is in the second working position, the ball center hole is connected to the ball discharge hole, and the side wall of the ball blocks the flange end hole. The baffle blocks and opens the ball discharge hole. The exhaust valve is connected to the baffle for exhausting the ball discharge hole. The actuator drives the ball to rotate.

[0028] It can be known from the above description that in the ball release device provided by the present application, when it is needed to be used, the two flange mounting parts in the ball release device are installed on the process pipeline. When the high-temperature gas-cooled reactor is working normally, the ball release valve body is located in the first working position. When it is necessary to release the material, the ball is driven to rotate by the actuator so that the ball release valve body is located in the second working position. Then, the pressure in the ball center hole is unloaded by the exhaust valve, the baffle is opened, and the material enters the ball center hole through the ball release hole; then, the ball is driven to rotate by the actuator so that the ball release valve body is located in the first working position, and the element will enter the system for circulation. The whole process is simple to operate, and there is no need to release and pressurize the main pipeline when feeding, which improves the work efficiency of the ball commissioning of the high-temperature gas-cooled reactor. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0030] Figure 1 A local structural part of a ball releasing device provided in an embodiment of the present invention;

[0031] Figure 2 An enlarged view of part A of the ball releasing device provided in an embodiment of the present invention;

[0032] Figure 3 An enlarged view of part B of the ball releasing device provided in an embodiment of the present invention;

[0033] Figure 4 A schematic diagram of the structure of a ball releasing device provided by an embodiment of the present invention;

[0034] Figure 5 A schematic diagram of the structure of another ball releasing device provided by an embodiment of the present invention;

[0035] Figure 6 A front view of a box provided by an embodiment of the present invention;

[0036] Figure 7 A side view of a box provided by an embodiment of the present invention;

[0037] Figure 8 A top view of a box provided by an embodiment of the present invention;

[0038] Fig. 9 This is a diagram of the installation positions of the baffle and the exhaust valve provided in an embodiment of the present invention.

[0039] in Figure 1-9Middle: 1: limit shaft; 2: box; 3: flange mounting; 4: ball; 5: ball seat; 6: transmission shaft; 7: baffle; 8: exhaust valve; 9: first fastening assembly; 10: first end face sealing ring; 11: first axial sealing ring; 12: second fastening assembly; 13: second end face sealing ring; 14: second axial sealing ring; 15: tightening spring; 16: third axial sealing ring; 17: fourth axial sealing ring; 18: spherical sealing ring; 19: third fastening assembly; 20: third end face sealing ring; 21: fifth axial sealing ring ; 22: sixth axial sealing ring; 23: sliding sleeve; 24: end cover; 25: fourth fastening assembly; 26: elastic packing; 27: packing pressure ring; 28: pressure cover; 29: elastic telescopic part; 30: spring sleeve; 31: clamping assembly; 32: handle; 33: electric drive assembly; 34: fifth fastening assembly; 35: ball center hole; 36: flange end hole; 37: ball seat hole; 38: transmission shaft mounting hole; 39: end flange mounting hole; 40: limit shaft mounting hole; 41: ball placement hole; 42: end flange mounting hole processing plane. DETAILED DESCRIPTION

[0040] The core of the present invention is to provide a ball placing device for a high temperature gas-cooled reactor to improve the working efficiency of ball passing and debugging of the high temperature gas-cooled reactor. Another core of the present invention is to provide a high temperature gas-cooled reactor including the ball placing device.

[0041] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and implementation modes.

[0042] Please refer to Figures 1 to 9 .

[0043] In a specific embodiment, the ball release device of the high temperature gas-cooled reactor provided in the specific embodiment of the present invention includes a ball release valve body, a flange mounting part 3, a box body 2, a baffle 7, an exhaust valve 8 and an actuator, and the ball release valve body includes a ball 4 with a ball center hole 35.

[0044] The flange mounting parts 3 include two, which are respectively mounted on opposite sides of the ball valve body, and the flange mounting parts 3 are provided with flange end holes 36 that can be connected to the ball center hole 35 for feeding. The box body 2 is provided with a transmission shaft mounting hole 38 for the transmission shaft 6 to pass through and an end flange mounting hole 39 connected to the flange mounting parts 3.

[0045] The inner wall of the box body 2 forms a mounting through hole that is sealed and fitted with the outer wall of the ball valve body. The two sides of the box body 2 are respectively connected one-to-one with the two flange mounting parts 3. Specifically, the flange mounting parts 3 are connected to the box body 2 through the second fastening component 12 and the third fastening component 19, wherein the second fastening component 12 and the third fastening component 19 are preferably threaded fasteners, and the second fastening component 12 and the third fastening component 19 are respectively arranged on the opposite sides of the box body 2, or the second fastening component 12 and the third fastening component 19 are multiple and are arranged in sequence in a ring shape along the outer periphery of the flange mounting component 3.

[0046] The box body 2 is provided with a ball placing hole 41 which can be connected to the ball center hole 35 for feeding. Specifically, the box body 2 and the flange mounting member 3 are sealed and connected via a second end face sealing ring 13 .

[0047] When the ball valve body is in the first working position, the ball center hole 35 is connected to the flange end hole 36, and the side wall of the ball 4 blocks the ball hole 41; when the ball valve body is in the second working position, the ball center hole 35 is connected to the ball hole 41, and the side wall of the ball 4 blocks the flange end hole 36. The baffle 7 blocks and opens the ball hole 41. The exhaust valve 8 is connected to the baffle 7 and is used to exhaust the ball hole 41. The actuator drives the ball 4 to rotate. Specifically, the baffle 7 and the exhaust valve 8 are fixedly connected by welding or screwing.

[0048] From the above description, it can be known that in the ball release device provided in the present application, when it is needed to be used, the two flange mounting parts 3 in the ball release device are installed on the process pipeline. When the high-temperature gas-cooled reactor is working normally, the ball release valve body is located in the first working position. When it is necessary to release the material, the ball 4 is driven to rotate by the actuator so that the ball release valve body is located in the second working position. Then, the pressure in the ball center hole 35 is released through the exhaust valve 8, and the baffle 7 is opened to allow the material to enter the ball center hole 35 through the ball release hole 41; then, the ball 4 is driven to rotate by the actuator so that the ball release valve body is located in the first working position, and the element will enter the system for circulation.

[0049] In order to facilitate feeding, preferably, the center of the sphere 4 is located on a plane formed by the extended axis lines of the two flange end holes 36 and the extended axis line of the ball placing hole 41 .

[0050] Further, the ball center hole 35 is a cylindrical hole, and at least one of the flange end hole 36 and the ball placement hole 41 is a cylindrical hole with the same diameter as the ball center hole 35. Specifically, the centers of the ball center hole 35, the flange end hole 36 and the ball placement hole 41 are coplanar.

[0051] In a specific embodiment, the ball valve body further includes two ball seats 5 disposed on opposite sides of the ball 4 and connected one-to-one with the inner side of the flange mounting member 3, and the ball seats 5 are slidably sealed with the ball 4. Specifically, the outer periphery of the ball seat 5 is sealed with the flange mounting member 3 through a third axial sealing ring 16 and a fourth axial sealing ring 17.

[0052] The end flange hole mounting hole 39 is coaxial with the flange end hole 36 , and a ball seat 5 is embedded in each of the flange mounting parts 3 on both sides, and the ball seat 5 is symmetrically arranged on both sides of the sphere 4 .

[0053] The ball seat 5 is provided with a ball seat hole 37 which can be connected with the ball center hole 35 and is used for materials to pass through. The inner diameters of the ball center hole 35, the end flange hole 36 and the ball seat hole 37 are all 50mm-70mm, specifically 65mm, and the centers are located on the same axis. The inner diameter of the ball placement hole 41 is also 65mm, slightly larger than the spherical element diameter of 60mm, and the inner diameter of the ball placement hole 41 can be the same as the inner diameter of the process pipeline.

[0054] In order to facilitate feeding, preferably, the ball release device of the high temperature gas-cooled reactor also includes a tightening spring 15 for pressing the ball seat 5 and the ball 4, the outer wall of the ball seat 5 is provided with a first step, the flange mounting member 3 is provided with a second step, and a cavity for installing the tightening spring 15 is formed between the first step and the second step, and one end of the tightening spring 15 abuts against the step surface of the first step, and the other end abuts against the step surface of the second step. After assembly, the tightening spring 15 is in a compressed state to improve the sealing performance of the internal cavity of the ball release valve body.

[0055] In order to improve the sealing performance, preferably, a spherical sealing ring 18 is provided between the connection surface of the ball seat 5 and the ball 4. When the ball seat 5 is not provided, the ball 4 is sealed with the inner wall of the flange mounting member 3. The spherical side of the spherical sealing ring 18 abuts against the ball 4, and a groove for clamping the spherical sealing ring 18 is provided on the ball seat 5.

[0056] In a specific embodiment, the ball placing device of the high temperature gas-cooled reactor further comprises a limiting shaft 1 whose end is rotatably connected to the first end of the sphere 4, the limiting shaft 1 is detachably sealedly connected to the box 2, and the box 2 is provided with a limiting shaft mounting hole 40 for mounting the limiting shaft 1. The end of the limiting shaft 1 penetrates into the interior of the sphere 4, and the end of the limiting shaft 1 is a cylindrical shaft, and the axis extension line passes through the center of the sphere 4. Preferably, the limiting shaft 1 extends into the interior of the sphere 4 and is sleeved with a sliding sleeve 23 that abuts against the sphere 4.

[0057] In specific implementation, the limiting shaft 1 and the box body 2 are matched through a stopper to ensure the sealing effect and coaxiality.

[0058] Specifically, a first end face sealing ring 10 is provided between the outer end face of the box body 2 and the limiting shaft 1. A first axial sealing ring 11 and a second axial sealing ring 14 are provided between the inner side face of the box body 2 and the side face of the limiting shaft 1.

[0059] In a specific embodiment, the actuator is disposed at the second end of the sphere 4, and the first end and the second end are opposite ends of the sphere 4. Figure 1 The second end of the sphere 4 is the upper end of the sphere 4 .

[0060] The actuator includes a transmission shaft 6 for driving the ball 4 to rotate and a driving device for driving the transmission shaft to rotate. The side wall of the transmission shaft is rotatably sealed with the side wall of the box body 2. Specifically, the driving device can be a handle 32 or an electric driving assembly 33.

[0061] In a specific embodiment, the actuator further includes an end cover 24, a packing ring 27, a pressure cover 28 and an elastic locking member.

[0062] The end cap 24 is fixedly connected to the side of the box body 2 away from the sphere 4. Specifically, the end cap 24 is connected to the box body 2 through a fifth fastening assembly 34. Specifically, preferably, the fifth fastening assembly 34 is a threaded fastener. Figure 1 As shown, the sphere 4 has a spherical center hole 35 on the axis in the horizontal direction, a blind hole for installing the transmission shaft 6 in the top center in the vertical direction, and a blind hole for matching with the limit shaft 1 and the sliding sleeve 23 in the bottom center in the vertical direction.

[0063] Specifically, the limit shaft 1 is fixedly connected to the box body 2 through a first fastening component 9. Specifically, the first fastening member can be a bolt, a screw or a snap, etc. Preferably, there are multiple first fastening components 9, which are circumferentially distributed with the axis of the transmission shaft 6 as the center.

[0064] The outer periphery of the transmission shaft 6 is provided with a first shaft shoulder for sealing with a sealing ring, and the housing 2 is provided with a second shaft shoulder for sealing with a sealing ring abutting against the first end of the first shaft shoulder. Specifically, a third end face sealing ring 20 is provided at the abutting position between the first shaft shoulder and the second shaft shoulder.

[0065] During specific assembly, the end cover 24 is fixedly connected to the box body 2 via the fourth fastening assembly 25. Specifically, the fourth fastening assembly 25 is preferably a threaded fastener.

[0066] The middle through hole of the end cover 24 is sleeved on the outside of the transmission shaft 6, and the second end of the first shoulder is located in the middle through hole, and the elastic filler 26 is filled between the middle through hole and the outer wall of the transmission shaft 6; the fifth axial sealing ring 21 and the sixth axial sealing ring 22 are provided between the box body 2 and the outer peripheral wall of the first shoulder. Preferably, the fifth axial sealing ring 21 and the sixth axial sealing ring 22 are arranged in parallel.

[0067] The packing ring 27 is sleeved on the outside of the transmission shaft 6, and the end cover 24 away from the housing 2 is sleeved on the outside of the first end of the packing ring 27, and can slide relative to the end cover 24 along the axial direction of the transmission shaft 6, and the opposite ends of the elastic packing 26 are respectively in contact with the packing ring 27 and the second end of the first shoulder;

[0068] The pressure cover 28 is sleeved on the outside of the transmission shaft 6 and abuts against the second end of the packing pressure ring 27. The first end of the packing pressure ring 27 and the second end of the packing pressure ring 27 are the opposite ends of the packing pressure ring 27. The abutting surface between the packing pressure ring 27 and the pressure cover 28 is a conical self-aligning surface.

[0069] The elastic locking member includes an elastic telescopic member 29 that is telescopic along the axial direction of the transmission shaft 6, and the elastic telescopic member 29 is used to compress the gland 28 and the end cover 24. Specifically, the elastic telescopic member 29 is preferably a spring. When the gland 28 and the end cover 24 are in a compressed state, the elastic telescopic member 29 is in a compressed state.

[0070] Specifically, the elastic locking member also includes a clamping assembly 31 connecting the gland 28 and the end cap 24. Specifically, the clamping assembly 31 can be a threaded fastener, and the elastic expansion member is sleeved on the shaft of the threaded fastener. The threaded end of the threaded fastener is threadedly connected to the gland 28 or the end cap 24. As shown in the figure, the threaded fastener is threadedly connected to the end cap 24, and the elastic expansion member is connected to the nut of the threaded fastener and the end cap 24. A spring sleeve 30 can be sleeved on the shaft of the threaded fastener.

[0071] During the specific assembly, the clamping assembly tightens the gland 28, and the elastic telescopic part provides continuous pre-tightening force for the gland 28. The lower part of the gland 28 and the upper part of the packing ring 27 are conical centering structures. When the gland 28 is subjected to eccentric force, the packing ring 27 can also be forced vertically downward to compress the elastic packing 26.

[0072] In order to reduce the gap between the ball placement hole 41 and the ball center hole 35 when placing the spherical element, the side of the box body 2 where the ball placement hole 41 fits the ball center is processed into an end flange mounting hole processing surface 42.

[0073] The ball release device is in a normally open state, that is, the ball center hole 35 of the ball 4 is usually in a normal working conduction state. When it is necessary to place a spherical element, turn the handle 32 or control the electric drive assembly 33 to make the transmission shaft 6 drive the ball 4 to rotate 90 degrees, and the ball center hole 35 rotates to a state of conduction with the ball release hole 41. At this time, the pressure of the ball center hole 35 and the ball release hole 41 is isolated from the system. After opening the exhaust valve 8 to release the pressure, remove the baffle 7, and then put the spherical element into the ball release hole 41, install the baffle 7 to close the exhaust valve 8, and rotate the ball 4 to a conduction state, so that the spherical element enters the system for circulation.

[0074] The present application can solve the problem of component placement during the pressurized commissioning and maintenance of the fuel element delivery pipeline of a high-temperature gas-cooled reactor, and reduce the time and economic losses caused by system pressure relief and recharge;

[0075] During the operation stage, the ball release device provided by the present application can replace the function of an ordinary ball valve and does not occupy the space for arranging process pipelines; the ball body 4 adopts a fixed ball design with a limiting shaft 1 to ensure the ball passing accuracy.

[0076] The present application provides a high temperature gas-cooled reactor, including a process pipeline and a ball release device, wherein the ball release device is connected to the process pipeline. The above-mentioned specific structure of the ball release device is described, and the present application includes the above ball release device, and also has the above technical effects.

[0077] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0078] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one 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 present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A ball release device for a high temperature gas-cooled reactor, It is characterized in that include: A ball release valve body, the ball release valve body comprising a ball (4) provided with a ball center hole (35); A flange mounting member (3), wherein the flange mounting member (3) comprises two flange mounting members (3), the two flange mounting members (3) being respectively mounted on opposite sides of the ball valve body, and the flange mounting member (3) being provided with a flange end hole (36) capable of communicating with the ball center hole (35) for feeding; A box body (2), wherein the inner wall of the box body (2) forms a mounting through hole which is sealed and fitted with the outer wall of the ball release valve body, and the two sides of the box body (2) are respectively connected to the two flange mounting parts (3) in a one-to-one manner, and the box body (2) is provided with a ball release hole (41) which can be connected to the ball center hole (35) for feeding; when the ball release valve body is in the first working position, the ball center hole (35) is connected to the flange end hole (36), and the side wall of the ball (4) blocks the ball release hole (41); when the ball release valve body is in the second working position, the ball center hole (35) is connected to the ball release hole (41), and the side wall of the ball (4) blocks the flange end hole (36); A baffle (7) for blocking and opening the ball placing hole (41); an exhaust valve (8) connected to the baffle (7) and used for exhausting the ball release hole (41); and An actuator that drives the ball (4) to rotate.

2. The ball release device for a high temperature gas-cooled reactor according to claim 1, It is characterized in that The center of the sphere (4) is located on a plane formed by the extension lines of the axes of the two flange end holes (36) and the extension line of the axis of the ball placement hole (41).

3. The ball release device for a high temperature gas-cooled reactor according to claim 1, It is characterized in that The ball center hole (35) is a cylindrical hole, and at least one of the flange end hole (36) and the ball placing hole (41) is a cylindrical hole having the same diameter as the ball center hole (35).

4. The ball placing device for a high temperature gas-cooled reactor according to claim 1, It is characterized in that The ball valve body further comprises two ball seats (5) arranged on opposite sides of the ball (4) and connected one-to-one with the inner side of the flange mounting member (3); the ball seats (5) are slidably sealed with the ball (4); and the ball seats (5) are provided with ball seat holes (37) which can be communicated with the ball center hole (35) and are used for materials to pass through.

5. The ball release device for a high temperature gas-cooled reactor according to claim 4, It is characterized in that It also includes a tightening spring (15) for pressing the ball seat (5) and the ball (4) together. The outer wall of the ball seat (5) is provided with a first step, and the flange mounting member (3) is provided with a second step. A cavity for installing the tightening spring (15) is formed between the first step and the second step. One end of the tightening spring (15) abuts against the step surface of the first step, and the other end abuts against the step surface of the second step.

6. The ball placing device for a high temperature gas-cooled reactor according to claim 5, It is characterized in that A spherical sealing ring (18) is provided between the connecting surface of the ball seat (5) and the ball (4).

7. The ball placing device for a high temperature gas-cooled reactor according to claim 1, It is characterized in that It also includes a limiting shaft (1) whose end is rotatably connected to the first end of the sphere (4), the limiting shaft (1) is detachably sealed to the box (2), the end of the limiting shaft (1) penetrates into the interior of the sphere (4), and the end of the limiting shaft (1) is a cylindrical shaft, and the axis extension line passes through the center of the sphere (4).

8. The ball placing device for a high temperature gas-cooled reactor according to claim 1, It is characterized in that The actuator is arranged at the second end of the sphere (4), and the first end of the sphere (4) and the second end of the sphere (4) are two opposite ends of the sphere (4); The actuator comprises a transmission shaft (6) for driving the ball (4) to rotate and a driving device for driving the transmission shaft (6) to rotate. The side wall of the transmission shaft (6) and the side wall of the box body (2) can be rotatably sealed.

9. The ball placing device for a high temperature gas-cooled reactor according to claim 8, It is characterized in that The execution mechanism also includes: an end cover (24), the end cover (24) being fixedly connected to a side of the housing (2) away from the spherical body (4); a first shaft shoulder for a sealing ring shaft seal is provided on the outer periphery of the transmission shaft (6); a second shaft shoulder for a sealing ring shaft seal abutting against a first end of the first shaft shoulder is provided on the housing (2); a middle through hole of the end cover (24) is sleeved on the outer side of the transmission shaft (6), and a second end of the first shaft shoulder is located in the middle through hole; an elastic filler (26) is filled between the middle through hole and the outer wall of the transmission shaft (6); A packing pressure ring (27), wherein the packing pressure ring (27) is sleeved on the outside of the transmission shaft (6), and the end of the end cover (24) away from the housing (2) is sleeved on the outside of the first end of the packing pressure ring (27), and can slide relative to the end cover (24) along the axial direction of the transmission shaft (6), and the opposite ends of the elastic packing (26) are respectively in contact with the packing pressure ring (27) and the second end of the first shaft shoulder; a gland (28), wherein the gland (28) is sleeved on the outside of the transmission shaft (6) and abuts against the second end of the packing ring (27), the first end of the packing ring (27) and the second end of the packing ring (27) being opposite ends of the packing ring (27), and the abutting surface between the packing ring (27) and the gland (28) is a conical self-aligning surface of a conical structure; and An elastic locking member, the elastic locking member comprising an elastic telescopic member (29) that telescopes along the axial direction of the transmission shaft (6), the elastic telescopic member (29) being used to press the pressure cover (28) and the end cover (24).

10. A high temperature gas-cooled reactor comprising a process pipeline, It is characterized in that It also includes a ball releasing device as described in any one of claims 1 to 9, wherein the ball releasing device is connected to the process pipeline.

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