CN214636250U - Fluidized bed filling device and fluidized bed system - Google Patents
Fluidized bed filling device and fluidized bed system Download PDFInfo
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- CN214636250U CN214636250U CN202120783605.8U CN202120783605U CN214636250U CN 214636250 U CN214636250 U CN 214636250U CN 202120783605 U CN202120783605 U CN 202120783605U CN 214636250 U CN214636250 U CN 214636250U
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- fluidized bed
- storage container
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- glove box
- feeding pipe
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Abstract
The utility model provides a fluidized bed fills a device and fluidized bed system, the device includes: the device comprises a suction mechanism, a storage container and a glove box, wherein the storage container is arranged in the glove box, an isolation glove is arranged on the glove box and used for manually opening or closing a container cover of the storage container, the suction mechanism is connected with a fluidized bed, a feeding pipe is arranged on the fluidized bed, and one end of the feeding pipe extends into the glove box and can extend into the storage container or extend out of the storage container under the action of external force; the suction mechanism is used for generating negative pressure when the feeding pipe extends into the storage container so as to draw the material in the storage container into the fluidized bed. The utility model discloses in, storage container's uncap and all accomplish in the glove box with being connected of fluidized bed to dust inhales when having solved and having filled the bed and leads to the radiation damage scheduling problem, has guaranteed that personnel fill the security of bed operation.
Description
Technical Field
The utility model particularly relates to a fluidized bed fills a device and fluidized bed system.
Background
The denitration fluidized bed is a key device in the uranium conversion technology, and the bed filling is an essential operation of the fluidized bed before normal operation. Filling a certain amount of seed particles into the fluidized bed before the fluidized bed is normally started, then starting the fluidized bed to operate, spraying the material liquid to be converted onto the seed particles filled in the bed after the material liquid is atomized, and carrying out denitration reaction on the surfaces of the seed particles to realize uranium conversion.
The original bed filling operation adopts two modes, wherein the first mode is that a product container is lifted to the position near a bed filling port of the fluidized bed manually, a bed filling valve is opened by manual operation, and bed filling materials are filled into the fluidized bed from the bed filling port one cup by one cup to realize bed filling; and secondly, lifting the product container to the top of the fluidized bed, opening a container cover in an open environment, inserting a stainless steel suction head into the product container, connecting the suction head and a fluidized bed filling port through a hose, opening a filling valve after personnel enter a room, and starting a negative pressure device to finish the fluidized bed negative pressure filling by manually operating the suction head to lift.
In the two bed filling processes, the bed filling materials are directly exposed in the accessible range of personnel, and the personnel have the possibility of radiation damage caused by dust suction due to the radioactivity of the bed filling materials.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the above-mentioned not enough that exists among the prior art, provide a fluidized bed that guarantees to fill a operational safety fills a device, still correspondingly provide a fluidized bed system that has this fluidized bed and fills a device.
The utility model provides a fluidized bed fills a device, it includes: a suction mechanism, a material storage container and a glove box,
the storage container is arranged in a glove box, an isolation glove is arranged on the glove box and used for manually opening or closing a container cover of the storage container,
the suction mechanism is connected with the fluidized bed, a feeding pipe is arranged on the fluidized bed, and one end of the feeding pipe extends into the glove box and can extend into the storage container or extend out of the storage container under the action of external force;
the suction mechanism is used for generating negative pressure when the feeding pipe extends into the storage container so as to suck the materials in the storage container into the fluidized bed.
Optionally, a partition board is arranged in the glove box, the partition board divides the glove box into an upper box body and a lower box body, and the storage container is arranged in the lower box body;
the partition board is provided with a through hole, the upper box body is internally provided with a cover body for opening an upper end opening of the through hole so that the feeding pipe can extend into the storage container, or the upper end opening of the through hole is sealed when the feeding pipe extends out of the storage container;
when the lid is opened when the upper end opening of through-hole, storage container's upper portion stretches into in the through-hole, just the inner wall of through-hole and the sealed continuous of storage container lateral wall upper end.
Optionally, the fluidized bed filling device further comprises a lifting mechanism, wherein the lifting mechanism is located in the lower box body and connected with the storage container, and is used for driving the storage container to extend into the through hole or move out of the through hole.
Optionally, the fluidized bed filling device further comprises a weighing device, wherein the weighing device is arranged between the lifting mechanism and the storage container and is used for weighing the storage container.
Optionally, the fluidized bed filling device further comprises a mechanical arm,
the feeding pipe comprises a connecting pipe and a suction gun, the connecting pipe is connected between the fluidized bed and the suction gun,
the mechanical arm is arranged in the glove box and connected with the suction gun, and is used for driving the suction gun to stretch into the storage container and driving the suction gun to move, so that the suction gun can suck materials in different areas in the storage container.
Optionally, the fluidized bed filling device further comprises a control system,
the weighing device is electrically connected with the control system and is used for transmitting a weight value signal of the storage container to the control system;
the suction mechanism is electrically connected with the control system and is used for transmitting a suction speed signal of the material to the control system;
and the control system is electrically connected with the mechanical arm and used for controlling the movement of the mechanical arm according to the weight value signal or the pumping speed signal.
Optionally, the fluidized bed filling device further comprises a filtering mechanism, which is disposed in the fluidized bed and is used for filtering the gas entering the pumping mechanism to prevent the material from escaping from the fluidized bed.
Optionally, a valve is arranged on a pipeline connecting the fluidized bed and the storage container.
Optionally, the fluidized bed filling apparatus further comprises a gas purification system connected between the pumping mechanism and the fluidized bed.
Optionally, the suction mechanism is a forced air ejector or a fan.
The utility model also provides a fluidized bed system, including the fluidized bed, still include foretell fluidized bed and fill a device.
The utility model discloses in, through arranging storage container in the glove box, storage container's uncapping and all accomplish in the glove box with being connected of fluidized bed to personnel's operational environment has been improved, and the dust inhales and leads to the radiation damage scheduling problem when having solved and filling the bed, has guaranteed that personnel fill the security of bed operation.
Drawings
Fig. 1 is a schematic structural diagram of a fluidized bed charging device provided in embodiment 1 of the present invention.
In the figure: 1. a storage container; 2. a lifting mechanism; 3. a weighing device; 4. a glove box; 41. an upper box body; 42. a lower box body; 43. a partition plate; 44. a cover body; 5. a feed pipe; 6. a valve; 7. a fluidized bed; 8. a gas purification system; 9. a suction mechanism; 10. a mechanical arm; 11. a suction gun; 12. a control system; 13. and a filtering mechanism.
Detailed Description
In the following, the technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
In the description of the present invention, it should be noted that the indication of orientation or positional relationship such as "up" is based on the orientation or positional relationship shown in the drawings, and is only for convenience and simplicity of description, and does not indicate or imply that the indicated device or element must be provided with a specific orientation, constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "disposed," "mounted," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
The utility model provides a fluidized bed fills a device, it includes: a suction mechanism, a material storage container and a glove box,
the storage container is arranged in a glove box, an isolation glove is arranged on the glove box and used for manually opening or closing a container cover of the storage container,
the suction mechanism is connected with the fluidized bed, a feeding pipe is arranged on the fluidized bed, and one end of the feeding pipe extends into the glove box and can extend into the storage container or extend out of the storage container under the action of external force;
the suction mechanism is used for generating negative pressure when the feeding pipe extends into the storage container so as to suck the materials in the storage container into the fluidized bed.
The utility model also provides a fluidized bed system, including the fluidized bed, still include foretell fluidized bed and fill a device.
Example 1:
as shown in fig. 1, the present embodiment provides a fluidized bed filling apparatus, including: a suction mechanism 9, a storage container 1 and a glove box 4.
The storage container 1 is arranged in a glove box 4, and an isolation glove is arranged on the glove box 4 and used for manually opening or closing a container cover of the storage container 1;
the suction mechanism 9 is connected with the fluidized bed 7, the fluidized bed 7 is provided with a feeding pipe 5, and one end of the feeding pipe 5 extends into the glove box 4 and can extend into the material storage container 1 or extend out of the material storage container 1 under the action of external force;
the suction mechanism 9 is used to generate a negative pressure when the feed pipe 5 extends into the stock container 1, so as to draw the material in the stock container 1 into the fluidized bed 7.
From this, through arranging storage container 1 in glove box 4, uncapping of storage container 1 and all accomplish in glove box 4 with being connected of fluidized bed 7 to improve personnel's operational environment, solved and filled the bed dust and inhaled and lead to radiation damage scheduling problem, guaranteed the security that personnel filled the bed operation.
The operation that the feeding pipe 5 stretches into the glove box 4 or stretches out of the glove box 4 can be manually operated through isolating gloves, and can also be realized through arranging a mechanical automation structure in the glove box.
In this embodiment, the fluidized bed filling apparatus further includes a filtering mechanism 13, and the filtering mechanism 13 is disposed in the fluidized bed 7 and is used for filtering the gas entering the pumping mechanism 9 to prevent the material from escaping from the fluidized bed 7.
A blow-back mechanism is typically provided between the gas outlet of the fluidised bed and the filter mechanism to blow material adhering to the filter mechanism through the fluidised bed.
In this embodiment, the glove box 4 and the fluidized bed 7 are disposed in different rooms, the room in which the fluidized bed 7 is disposed is a red zone equipment room, the radioactivity level is high, and people cannot enter the red zone equipment room at any time.
In the embodiment, a partition plate 43 is arranged in the glove box 4, the glove box 4 is divided into an upper box body 41 and a lower box body 42 by the partition plate 43, and the storage container 1 is arranged in the lower box body 42;
a through hole is formed in the partition plate 43, and a cover body 44 is arranged in the upper box body 41 and used for opening the upper end opening of the through hole so that the feeding pipe 5 can extend into the storage container 1 or sealing the upper end opening of the through hole when the feeding pipe 5 extends out of the storage container 1;
when the cover 44 opens the upper end opening of the through hole, the upper portion of the storage container 1 extends into the through hole, and the inner wall of the through hole is connected with the upper end of the outer side wall of the storage container 1 in a sealing manner. Specifically, the inner wall of the through hole is provided with a sealing ring which is connected with the upper end of the outer side wall of the material storage container 1 in a sealing way.
Because storage container 1 inevitably can pass through the manual operation district on the way in the transmission, consequently, the above-mentioned outer wall that fills a bed operation in-process and need guarantee storage container 1 is not polluted by material dust.
The utility model discloses in, divide glove box 4 into two upper and lower spaces through setting up baffle 43, set up the kaifeng lid operation of the storage container 1 of being convenient for of through-hole on the baffle 43. When the device is not in operation, the opening of the through hole is sealed by the cover body 44, so that the sealed space of the storage material container 1 is completely isolated from the operation space above the partition plate. When the device works, the upper part of the material storage container 1 is firstly stretched into the through hole, and the inner wall of the through hole is hermetically connected with the upper end of the outer side wall of the material storage container 1 through the sealing ring on the inner wall of the through hole so as to isolate the contact between the outer side wall of the material storage container 1 and an operation space; the cover 44 is reopened for the bed filling operation. Therefore, pollution of the operation space to the outer wall of the storage container 1 is avoided while the bed filling operation is completed.
When the cover body 44 is opened for the bed filling operation, the container cover of the storage container 1 is inevitably polluted, and after the bed filling operation is finished, the container cover can be manually closed through the isolation gloves and cleaned.
In this embodiment, the device further comprises a lifting mechanism 2, wherein the lifting mechanism 2 is located in the lower box body 42 and connected with the storage container 1, and is used for driving the storage container 1 to extend into the through hole or move out of the through hole.
In this embodiment, still include weighing device 3, weighing device 3 locates between elevating system 2 and the storage container 1 for weigh storage container 1.
In this embodiment, the robot 10 is further provided, and the robot 10 is provided in the upper case 41 of the glove box 4.
The feeding pipe 5 comprises a connecting pipe and a suction gun 11, and the connecting pipe is connected between the fluidized bed 7 and the suction gun 11.
The mechanical arm 10 is connected with the suction gun 11 and used for driving the suction gun 11 to extend into the storage container 1 and driving the suction gun 11 to move so that the suction gun 11 can suck materials in different areas in the storage container 1.
The robot arm 10 can move in six directions, up, down, front, back, left, and right, within a certain range. The section of the connecting pipe connected with the suction gun 11 can be provided as a flexible coil pipe so as to facilitate the free movement of the suction gun 11.
The suction gun 11 adopts a single-layer suction gun or a double-layer suction gun, a part of gas needs to be supplemented into the material storage container 1 in the material suction process to realize the smooth conveying of the product, and if the container is insufficient in gas supplement, the outer layer of the double-layer suction gun can play a role in gas supplement.
In this embodiment, the glove box further includes a control system 12, and the control system 12 is disposed outside the glove box 4.
The weighing device 3 is electrically connected with the control system 12 and is used for transmitting a weight value signal of the storage container 1 to the control system 12;
the suction mechanism 9 is electrically connected with the control system 12 and is used for transmitting a suction speed signal of the material to the control system 12;
the control system 12 is electrically connected to the robot arm 10 for controlling the movement of the robot arm 10 according to the weight value signal or the pumping speed signal by automatically setting a program.
The automatic mechanical arm is used for clamping the suction gun, the material of the bed is sucked through an automatic control program, and manual operation is not needed in the whole process, so that the automation degree of the bed filling of the denitration fluidized bed is improved, and the labor and the time investment are saved.
In this embodiment, a valve 6 is arranged on a pipeline connecting the fluidized bed 7 and the storage container 1.
The valve 6 can be a common ball valve or a wall-through ball valve according to the operation requirement. The valve 6 can be arranged in a glove box or electrically controlled, so that the problem of personnel radiation in the operation process of the filling bed is reduced to the maximum extent.
In this embodiment, a gas purification system 8 is further included, and the gas purification system 8 is connected between the suction mechanism 9 and the fluidized bed 7. The gas purification system 8 can select a leaching tower, a cyclone separator, a catcher, a gas filter and the like according to the purification requirement.
In this embodiment, the suction mechanism 9 is a compressed air ejector or a fan.
The operation process of the fluidized bed filling device of the embodiment for performing fluidized bed filling is as follows:
the magazine 1 with the bed filling material is transported into the lower box 42 and placed on the lifting mechanism 2 provided with the weighing device 3.
The lifting mechanism 2 is lifted to finish the butt joint of the storage container 1 and the upper box body 41 of the glove box 4. The operator opens the cover 44 and the container cover of the magazine 1 one after the other by means of the isolating gloves.
An operator opens the valve 6, starts the suction mechanism 9 to generate negative pressure, simultaneously starts the control system 12, and the mechanical arm 10 drives the suction gun 11 to extend into the storage container 1, so that under the action of negative pressure suction, the material filled in the storage container 1 enters the suction gun 11 and enters the fluidized bed 7 through the connecting pipeline 5. The gas generated in the negative pressure suction process enters the gas purification system 8 for further purification after being primarily filtered by the filtering mechanism 13 at the upper part of the fluidized bed 7 under the suction action of the suction mechanism 9, and is finally discharged by the suction mechanism 9. In the suction process, in order to prevent the filtering mechanism 13 from being blocked by fine dust carried in the tail gas, dynamic pressure blowback is arranged on the filtering mechanism, and the dust is blowback to the bed body in time.
According to the measured value of the weighing device 3 before the bed filling is started, the relevant program of the control system 12 is set, the mechanical arm 10 is automatically stopped to move and send a signal after the front-back difference value reaches the required bed filling amount, at the moment, the suction mechanism 9 is closed, the mechanical arm 10 is controlled to drive the suction gun 11 to reset, the valve 6 and the cover body 44 are closed, and the one-time bed filling operation is completed.
The denitration fluidized bed of this embodiment fills a device has considered in the design of many places to improve the degree of automation that fills a bed, and improves personnel's operating environment to reduce the input that denitration fluidized bed filled a bed operating manpower and time, solved and filled dust when bed and inhaled the scheduling problem, guaranteed personnel and filled the security of a bed operation.
Example 2:
this embodiment provides a fluidized bed system comprising a fluidized bed 7 and further comprising the fluidized bed filling apparatus of embodiment 1.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A fluidized bed filling apparatus, comprising: a suction mechanism (9), a material storage container (1) and a glove box (4),
the storage container (1) is arranged in a glove box (4), an isolation glove is arranged on the glove box (4) and used for manually opening or closing a container cover of the storage container (1),
the suction mechanism (9) is connected with the fluidized bed (7), a feeding pipe (5) is arranged on the fluidized bed (7), and one end of the feeding pipe (5) extends into the glove box (4) and can extend into the storage container (1) or extend out of the storage container (1) under the action of external force;
the suction mechanism (9) is used for generating negative pressure when the feeding pipe (5) extends into the storage container (1) so as to draw the material in the storage container (1) into the fluidized bed (7).
2. The fluidized bed filling apparatus according to claim 1, wherein a partition (43) is provided in the glove box (4), the partition (43) divides the glove box (4) into an upper box body (41) and a lower box body (42), and the storage container (1) is placed in the lower box body (42);
the partition plate (43) is provided with a through hole, and the upper box body (41) is internally provided with a cover body (44) for opening the upper end opening of the through hole so that the feeding pipe (5) can extend into the storage container (1) or sealing the upper end opening of the through hole when the feeding pipe (5) extends out of the storage container (1);
when lid (44) are opened the upper end opening of through-hole, the upper portion of storage container (1) stretches into in the through-hole, just the inner wall of through-hole and storage container (1) lateral wall upper end are sealed continuous.
3. The fluidized bed filling apparatus according to claim 2, further comprising a lifting mechanism (2), wherein the lifting mechanism (2) is located in the lower box (42) and connected to the storage container (1) for driving the storage container (1) to extend into or remove from the through hole.
4. The fluidized bed filling device according to claim 3, further comprising a weighing device (3), wherein the weighing device (3) is arranged between the lifting mechanism (2) and the storage container (1) and is used for weighing the storage container (1).
5. The fluidized bed filling apparatus according to claim 4, further comprising a robot arm (10),
the feeding pipe (5) comprises a connecting pipe and a suction gun (11), the connecting pipe is connected between the fluidized bed (7) and the suction gun (11),
the mechanical arm (10) is arranged in the glove box (4) and connected with the suction gun (11) and used for driving the suction gun (11) to stretch into the storage container (1) and driving the suction gun (11) to move so that the suction gun (11) can suck materials in different areas in the storage container (1).
6. The fluidized bed filling apparatus according to claim 5, further comprising a control system (12),
the weighing device (3) is electrically connected with the control system (12) and is used for transmitting a weight value signal of the storage container (1) to the control system (12);
the suction mechanism (9) is electrically connected with the control system (12) and is used for transmitting a suction speed signal of the material to the control system (12);
the control system (12) is electrically connected with the mechanical arm (10) and is used for controlling the movement of the mechanical arm (10) according to the weight value signal or the pumping speed signal.
7. A fluidized bed filling apparatus according to any one of claims 1-6, further comprising a filtering mechanism (13), the filtering mechanism (13) being provided in the fluidized bed (7) for filtering gas entering the suction mechanism (9) to block the escape of material from the fluidized bed (7).
8. A fluidized bed filling apparatus according to any one of claims 1-6, further comprising a gas purification system (8), the gas purification system (8) being connected between the suction means (9) and the fluidized bed (7).
9. A fluidized bed filling apparatus according to any one of claims 1-6, wherein the suction mechanism (9) is a compressed air ejector or a fan.
10. A fluidized bed system comprising a fluidized bed (7), characterized by further comprising a fluidized bed filling apparatus according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120783605.8U CN214636250U (en) | 2021-04-16 | 2021-04-16 | Fluidized bed filling device and fluidized bed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120783605.8U CN214636250U (en) | 2021-04-16 | 2021-04-16 | Fluidized bed filling device and fluidized bed system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214636250U true CN214636250U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120783605.8U Active CN214636250U (en) | 2021-04-16 | 2021-04-16 | Fluidized bed filling device and fluidized bed system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214636250U (en) |
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2021
- 2021-04-16 CN CN202120783605.8U patent/CN214636250U/en active Active
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