New assembly conversion barrel inlet sealing bin

Abstract

The invention belongs to the technical field of sodium-cooled fast reactor large-batch assembly loading and reloading, and particularly relates to a new assembly conversion barrel inlet sealing bin. Comprising a quick-release flange, a barrel, a lower flange and an electric gate valve, the quick-release flange and the lower flange are connected with the barrel, a single-door rotating shaft of the electric gate valve is connected in a penetrating mode, and a motor and a hand wheel of the electric gate valve are connected with the barrel. The sealing bin device has the beneficial effects that the sealing bin device is located on the flange of the inlet channel of the new assembly conversion barrel and connected with the flange through the lower flange, and the coaxiality of the barrel and the inlet channel is guaranteed. When the assembly is not loaded into the new assembly conversion barrel, the electric gate valve is closed, and an inlet channel of the new assembly conversion barrel is sealed; when the assembly is loaded into the new assembly conversion barrel, the quick-release flange is connected with the special tool for loading and replacing the large-batch assembly, the electric gate valve is opened, the falling state of the assembly can be observed through the peeping window on the barrel body in the assembly loading process, and it is ensured that the assembly is in a safe state.

Description

Technical Field

[0001] The invention belongs to the technical field of mass assembly loading and replacement of sodium-cooled fast reactor components, and in particular relates to an inlet sealing bin of a new component conversion barrel. Background Art

[0002] During the refueling of a sodium-cooled fast reactor, a large number of new components are loaded into the new component conversion barrel, and a large number of special tools for large-scale components are required to reduce the loading period. The new component conversion barrel contains high-temperature argon gas and has sealing requirements. In order to ensure the safety of loading new components into the new component conversion barrel using a large number of special tools for large-scale components, it is necessary to develop an equipment interface device with gas replacement and sealing functions. Summary of the invention

[0003] The purpose of the present invention is to provide a new component conversion barrel inlet sealing bin, which can effectively connect the new component conversion barrel inlet channel.

[0004] The technical solution of the present invention is as follows: a new component conversion barrel inlet sealing bin, including a quick-release flange, a cylinder, a lower flange and an electric gate valve, wherein the quick-release flange and the lower flange are connected to the cylinder, the single-door rotating shaft of the electric gate valve is connected in a through-going manner, and the motor and handwheel of the electric gate valve are connected to the cylinder.

[0005] The quick-release flange and the lower flange are connected to the cylinder by welding.

[0006] A servo electric cylinder is arranged on the outside of one side of the lower part of the cylinder, the servo electric cylinder is connected to an electric lock tongue, the electric lock tongue and the servo electric cylinder are connected by a second bolt, an electric cylinder sealing gasket is arranged between the servo electric cylinder and the electric lock tongue, the electric lock tongue is located in the servo electric cylinder and passes through the side wall of the cylinder, and a single-opening door of the transfer silo is connected to the cylinder.

[0007] The second bolt is provided with a spring washer and a first flat washer.

[0008] A first O-ring is installed between the cylinder and the single-opening door of the transfer silo.

[0009] The side wall of the cylinder is also provided with a viewing window, and the bottom of the cylinder is connected to the lower flange.

[0010] A deep groove ball bearing is mounted on the portion between the electric lock tongue and the wall of the cylinder. The deep groove ball bearing is located between the electric lock tongue and the wall of the cylinder. A motor flange is mounted on the cylinder outside the deep groove ball bearing. The motor flange is mounted on the inner wall of the cylinder through a fourth bolt. A second O-ring and a first flange gasket are mounted on the fourth bolt.

[0011] The electric gate valve includes a single-door rotating shaft, which passes through the cylinder body. The end of the single-door rotating shaft located on the outside of the cylinder body is connected to the motor through a first key, and the motor is fixed to the motor bracket through a second bolt. The second bolt is also provided with a spring washer and a second flat washer. The single-door rotating shaft is sleeved in the shaft sleeve with the part inside the cylinder body and clamped by the second key. The other end of the single-door rotating shaft located on the outside of the cylinder body is connected to a power-off brake, a dial is installed on the power-off brake through a third bolt, a pointer is installed on the dial, and the end of the single-door rotating shaft is connected to a handwheel through a third key.

[0012] The single-door rotating shaft is provided with a limiting flange where it passes through the cylinder, a second flange gasket is arranged between the limiting flange and the outer wall of the cylinder, the single-door rotating shaft is connected with a power-off brake through a fourth key, and a deep groove ball bearing is arranged between one end of the limiting flange located inside the cylinder and the single-door rotating shaft.

[0013] The limiting flange is located outside the cylinder body and is sleeved outside the single-door rotating shaft, and an O-ring is installed between the limiting flange and the single-door rotating shaft.

[0014] The beneficial effect of the present invention is that the sealing bin device is located on the flange of the inlet channel of the new component conversion barrel and connected thereto through the lower flange, thereby ensuring the coaxiality between the barrel and the inlet channel. When the components are not loaded into the new component conversion barrel, the electric gate valve is closed to seal the inlet channel of the new component conversion barrel; when the components are loaded into the new component conversion barrel, the quick-release flange is connected to the special tool for loading and replacing components in large quantities, and the electric gate valve is opened. During the component loading process, the state of the component falling can be observed through the peep window on the barrel to ensure that the components are in a safe state. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A front view of a new component conversion barrel inlet sealing bin provided by the present invention;

[0016] Figure 2 A top view of a new component conversion barrel inlet sealing bin provided by the present invention;

[0017] Figure 3 for Figure 2 AA section view;

[0018] Figure 4 for Figure 1 Enlarged view of part I;

[0019] Figure 5 for Figure 3 Enlarged view of part II;

[0020] Figure 6 A three-dimensional diagram of a sealing bin at the inlet of a new component conversion barrel provided by the present invention.

[0021] In the figure: 1 cam locking rod, 2 quick release flange, 3 upper cylinder, 4 first bolt, 5 gasket, 6 lower cylinder section gasket, 7 cylinder, 8 servo electric cylinder, 9 second bolt, 10 spring gasket, 11 first flat gasket, 12 electric cylinder gasket, 13 electric lock tongue, 14 first O-ring, 15 transfer silo single door, 16 motor, 17 motor bracket, 18 second bolt, 19 spring gasket, 20 second flat gasket, 21 first key, 22 single door rotation axis , 23 second key, 24 sleeve, 25 third bolt, 26 power-off brake, 27 dial, 28 pointer, 29 third key, 30 handwheel, 31 fourth bolt, 32 second O-ring, 33 motor flange, 34 first flange gasket, 35 deep groove ball bearing, 36 second flange gasket, 37 limit flange, 38 fourth key, 39 guide pin, 40 window, 41 lower flange, 42 rubber buffer block, 43 motor base gasket, 44 fifth bolt, 45 nut. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] A new component conversion barrel entrance sealing chamber includes a quick-release flange, a barrel, a lower flange, and an electric gate valve. The quick-release flange is located at the top and is used to achieve connection and disassembly with special tools for large-volume components; the lower flange is connected to the flange of the entrance channel of the new component conversion barrel to ensure the coaxiality of the entire device and the entrance channel; the barrel is equipped with a peep window, a dial, and other auxiliary components; the electric gate valve is opened during the process of loading the component into the new component conversion barrel, and is closed after the component is loaded, to ensure the sealing of the new component conversion barrel.

[0024] like Figure 1-6 As shown, a new component conversion barrel inlet sealing chamber includes a quick-release flange 2, a barrel 7, a lower flange 41 and an electric gate valve, wherein the quick-release flange 2 and the lower flange 41 are connected to the barrel 7 by welding, the single-opening door rotating shaft 22 of the electric gate valve is connected by a through-type method, and a second O-ring 32 is arranged on the single-opening door rotating shaft 22 to maintain sealing, and the motor 16 and the handwheel 30 of the electric gate valve are connected to the barrel 7 by bolts. When in use, the motor / handwheel drives the gate valve shaft to rotate, driving the gate to rotate to open and close to achieve sealing. After the gate is closed, the electric lock tongue 12 is pushed out to apply pressure to the gate to keep the seal firm.

[0025] Among them, Figure 1As shown, a servo electric cylinder 8 is arranged on the outside of one side of the lower part of the cylinder 7, and the servo electric cylinder 8 is connected to an electric lock tongue 13. The electric lock tongue 13 and the servo electric cylinder 8 are connected by a second bolt 9, and a spring gasket 10 and a first flat gasket 11 are arranged on the second bolt 9. An electric cylinder sealing gasket 12 is arranged between the servo electric cylinder 8 and the electric lock tongue 13. The electric lock tongue 13 is located in the servo electric cylinder 8 and passes through the side wall of the cylinder 7. A single-opening door 15 of a transfer silo is connected to the cylinder 7, and a first O-ring 14 is installed between the cylinder 7 and the single-opening door 15 of the transfer silo.

[0026] The side wall of the cylinder 7 is also provided with a viewing window 40 , and the bottom of the cylinder 7 is connected to a lower flange 41 .

[0027] like Figure 4 As shown, a deep groove ball bearing 35 is mounted on the part between the electric lock tongue 13 and the wall of the cylinder 7. The deep groove ball bearing 35 is located between the electric lock tongue 13 and the wall of the cylinder 7. The motor flange 33 is mounted on the cylinder 7 outside the deep groove ball bearing 35. The motor flange 33 is mounted on the inner wall of the cylinder 7 through a fourth bolt 31. A second O-ring 32 and a first flange gasket 34 are mounted on the fourth bolt 31.

[0028] like Figure 3 As shown, the electric gate valve includes a motor 16, a motor bracket 17, a second bolt 18, a spring washer 19, a second flat washer 20, a first key 21, a single-door rotating shaft 22, a second key 23, a sleeve 24, a third bolt 25, a power-off brake 26, a dial 27, a pointer 28, a third key 29 and a handwheel 30. The single-door rotating shaft 22 passes through the cylinder 7, and one end of the single-door rotating shaft 22 located outside the cylinder 1 is connected to the motor 16 through the first key 21. The motor 16 is connected to the motor 16 through the second bolt 18. Fixed on the motor bracket 17, the second bolt 18 is also provided with a spring washer 19 and a second flat washer 20, the single-door rotating shaft 22 is sleeved in the shaft sleeve 24 with the part in the cylinder 7 and clamped by the second key 23, the other end of the single-door rotating shaft 22 located on the outside of the cylinder 1 is connected with a power-off brake 26, a dial 27 is installed on the power-off brake 26 through a third bolt 25, a pointer 28 is installed on the dial 27, and the end of the single-door rotating shaft 22 is connected to the handwheel 30 through a third key 29.

[0029] A cylinder cover is installed on the upper part of the cylinder body 7, and the cylinder cover and the cylinder body 7 are connected by a first bolt 4, and a gasket 5 and a lower cylinder section sealing gasket 6 are sleeved on the first bolt 4. An upper cylinder body 3 is installed on the cylinder cover, and a quick release flange 2 is installed on the upper cylinder body 3. A cam-type locking rod 1 is connected to the quick release flange 2. A guide pin 39 is also connected to the middle position of the upper part of the quick release flange 2.

[0030] like Figure 2As shown, the motor 16 and the motor bracket 17 are fixed by a fifth bolt 44 and a nut 45 , and a rubber buffer block 42 and a motor base gasket 43 are also arranged between the lower part of the motor 16 and the motor bracket 17 .

[0031] like Figure 5 As shown, the single-door rotating shaft 22 passes through the cylinder 7 and is fitted with a limiting flange 37, a second flange gasket 36 is arranged between the limiting flange 37 and the outer wall of the cylinder 7, the single-door rotating shaft 22 is connected to the power-off brake 26 through the fourth key 38, a deep groove ball bearing is arranged between one end of the limiting flange 37 located inside the cylinder 7 and the single-door rotating shaft 22, the limiting flange 37 is located outside the cylinder 7 and is fitted outside the single-door rotating shaft 22, and an O-ring is installed between the single-door rotating shaft 22.

[0032] The device uses an electric motor to drive the electric gate valve to open and close the channel, and maintains the sealing inside the heating container. At the same time, it has a peep window to observe the status of the internal components.

[0033] The working process of the present invention is as follows:

[0034] 1) Remove the channel plug of the inlet channel of the new component conversion barrel in a cold state.

[0035] 2) Place the entire sealed chamber on the inlet channel flange, align the position, and connect the lower flange of the sealed chamber with the flange of the inlet channel.

[0036] 3) Close the electric gate valve and test the sealing of the new component conversion barrel.

[0037] 4) Place the new component conversion barrel in a hot state and start loading the new component into the new component conversion barrel.

[0038] 5) When the component needs to be loaded into the new component conversion barrel, the gate valve is opened, and the gate valve is closed after the component is loaded into the new component conversion barrel.

Claims

1. A new component conversion barrel inlet sealing bin, characterized by: It includes a quick-release flange, a cylinder, a lower flange and an electric gate valve, wherein the quick-release flange and the lower flange are connected to the cylinder, the single-door rotating shaft of the electric gate valve is connected in a through-type manner, and the motor and handwheel of the electric gate valve are connected to the cylinder.

2. A new component conversion barrel inlet sealed bin as claimed in claim 1, characterized in that: The quick-release flange and the lower flange are connected to the cylinder body by welding.

3. A new component conversion barrel inlet sealed bin as claimed in claim 1, characterized in that: A servo electric cylinder is arranged on the outside of one side of the lower part of the cylinder, the servo electric cylinder is connected to an electric lock tongue, the electric lock tongue and the servo electric cylinder are connected by a second bolt, an electric cylinder sealing gasket is arranged between the servo electric cylinder and the electric lock tongue, the electric lock tongue is located in the servo electric cylinder and passes through the side wall of the cylinder, and a single-opening door of the transfer silo is connected to the cylinder.

4. A new component conversion barrel inlet sealed bin as claimed in claim 3, characterized in that: The second bolt is provided with a spring washer and a first flat washer.

5. A new component conversion barrel inlet sealed bin as claimed in claim 3, characterized in that: A first O-ring is installed between the cylinder and the single-opening door of the transfer silo.

6. A new component conversion barrel inlet sealed bin as claimed in claim 3, characterized in that: The side wall of the cylinder is also provided with a viewing window, and the bottom of the cylinder is connected to the lower flange.

7. A new component conversion barrel inlet sealed bin as claimed in claim 3, characterized in that: A deep groove ball bearing is mounted on the portion between the electric lock tongue and the wall of the cylinder. The deep groove ball bearing is located between the electric lock tongue and the wall of the cylinder. A motor flange is mounted on the cylinder outside the deep groove ball bearing. The motor flange is mounted on the inner wall of the cylinder through a fourth bolt. A second O-ring and a first flange gasket are mounted on the fourth bolt.

8. A new component conversion barrel inlet sealed bin as claimed in claim 1, characterized in that: The electric gate valve includes a single-door rotating shaft, which passes through the cylinder body. The end of the single-door rotating shaft located on the outside of the cylinder body is connected to the motor through a first key, and the motor is fixed to the motor bracket through a second bolt. The second bolt is also provided with a spring washer and a second flat washer. The single-door rotating shaft is sleeved in the shaft sleeve with the part inside the cylinder body and clamped by the second key. The other end of the single-door rotating shaft located on the outside of the cylinder body is connected to a power-off brake, a dial is installed on the power-off brake through a third bolt, a pointer is installed on the dial, and the end of the single-door rotating shaft is connected to a handwheel through a third key.

9. A new component conversion barrel inlet sealed bin as claimed in claim 8, characterized in that: The single-door rotating shaft is provided with a limiting flange where it passes through the cylinder, a second flange gasket is arranged between the limiting flange and the outer wall of the cylinder, the single-door rotating shaft is connected with a power-off brake through a fourth key, and a deep groove ball bearing is arranged between one end of the limiting flange located inside the cylinder and the single-door rotating shaft.

10. A new component conversion barrel inlet sealed bin as claimed in claim 9, characterized in that: The limiting flange is located outside the cylinder body and is sleeved outside the single-door rotating shaft, and an O-ring is installed between the limiting flange and the single-door rotating shaft.

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