CN214569112U - Waste resin conveying system - Google Patents
Waste resin conveying system Download PDFInfo
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- CN214569112U CN214569112U CN202022532730.XU CN202022532730U CN214569112U CN 214569112 U CN214569112 U CN 214569112U CN 202022532730 U CN202022532730 U CN 202022532730U CN 214569112 U CN214569112 U CN 214569112U
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Abstract
The utility model discloses a waste resin conveying system, which comprises a storage tank, a pumping unit and a spraying and conveying unit, wherein the storage tank is used for storing waste resin; the pumping unit is used for conveying the waste resin in a pumping mode and comprises a first conveying pipeline, a conveying pump inlet valve and a conveying pump outlet valve, wherein the input end of the first conveying pipeline is communicated with the storage tank, and the output end of the first conveying pipeline is communicated with a downstream processing system; the delivery pump, the delivery pump inlet valve and the delivery pump outlet valve are all arranged on the first delivery line, and the delivery pump inlet valve and the delivery pump outlet valve are respectively arranged at the upstream and the downstream of the delivery pump; and the spraying conveying unit is used for conveying the waste resin in a spraying mode. The conveying system can conveniently convey the waste resin to a transport tank car or a solid waste treatment system for treatment.
Description
Technical Field
The utility model belongs to the technical field of the nuclear power station three wastes are handled, concretely relates to useless resin conveying system for nuclear power station.
Background
At present, the second-generation nuclear power plants which are operated in China carry out cement solidification treatment on waste resin in nuclear auxiliary plants, wherein a cement solidification line is arranged under a waste resin storage tank for collecting the waste resin, so that the waste resin can be directly conveyed vertically by using gravity to enter a filling area of the cement solidification line for treatment.
However, the third generation nuclear power plant adopts a centralized waste disposal method, that is, all the waste resins of the whole plant are transported to the site waste disposal center for centralized processing, wherein the waste resins are transported by a waste resin transporting tank car, but the third generation nuclear power plant is limited by the overall arrangement of the plant, and the transporting tank car cannot be directly parked under the waste resin storage tank, so that the waste resins cannot be transported by the gravity transportation method of the second generation nuclear power plant.
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 one kind and can conveniently carry the waste resin conveying system that handles to transport tank wagon or solid waste processing system with waste resin.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a waste resin delivery system comprises a storage tank, a pumping unit and a spraying delivery unit,
the storage tank is used for storing waste resin;
the pumping unit is used for conveying the waste resin in a pumping mode and comprises a first conveying pipeline, a conveying pump inlet valve and a conveying pump outlet valve,
the input end of the first delivery line is communicated with the storage tank, and the output end of the first delivery line is communicated with a downstream processing system; the delivery pump, the delivery pump inlet valve and the delivery pump outlet valve are all arranged on the first delivery line, and the delivery pump inlet valve and the delivery pump outlet valve are respectively arranged at the upstream and the downstream of the delivery pump;
and the spraying conveying unit is used for conveying the waste resin in a spraying mode.
Optionally, the pumping unit further comprises a sump outlet valve and a first outlet valve,
the reservoir outlet valve and the first outlet valve are both disposed on the first delivery line with the reservoir outlet valve between the reservoir and the delivery pump inlet valve, the first outlet valve between the delivery pump outlet valve and the treatment system,
the system further comprises a first flushing unit for flushing the first delivery line, comprising a first flush water line, a flush water return line, a first flush water inlet valve, and a first isolation valve,
the input end of the first flushing water pipeline is communicated with a flushing water supply system, the output end of the first flushing water pipeline is communicated with the first conveying pipeline, and the communication position is located on the first conveying pipeline between the outlet valve of the storage tank and the inlet valve of the conveying pump; the first flushing water inlet valve is arranged on the first flushing water pipeline; the input end of the flushing water return line is communicated with the first delivery line, the communication position is positioned on the first delivery line between the delivery pump outlet valve and the first outlet valve, and the output end of the flushing water return line is communicated with the storage tank; the first isolation valve is provided on the washing water return line.
Preferably, the first flush unit further comprises a first check valve disposed on the first flush water line downstream of the first flush water inlet valve.
Optionally, the system further comprises a control unit, the control unit comprising a controller,
the controller is electrically connected with the delivery pump, the delivery pump inlet valve, the delivery pump outlet valve, the storage tank outlet valve and the first outlet valve respectively, and is used for controlling the storage tank outlet valve, the delivery pump inlet valve, the delivery pump outlet valve and the first outlet valve to be opened and then controlling the delivery pump to be opened when receiving a first delivery instruction; and, upon receipt of the first delivery completion command, controlling the sump outlet valve and the first outlet valve to close, and then controlling the first flush water inlet valve and the first isolation valve to open.
Preferably, the injection delivery unit comprises a second delivery line, an injector inlet valve, and an injector outlet valve,
the input end of the second delivery line is communicated with the storage tank, and the output end of the second delivery line is communicated with the processing system; the injector, the injector inlet valve and the injector outlet valve are all arranged on a second delivery line, and the injector inlet valve and the injector outlet valve are respectively arranged at the upstream and the downstream of the injector;
the system further comprises a second flush unit comprising a second flush water line and a second flush water inlet valve,
the input end of the second flushing water pipeline is communicated with a flushing water supply system, and the output end of the second flushing water pipeline is communicated with the ejector; the second flush water inlet valve is located on the second flush water line.
Preferably, the output of the second delivery line communicates with the first delivery line between a delivery pump outlet valve and a first outlet valve,
the injection conveying unit further comprises a second isolation valve, and the second isolation valve is arranged on the second conveying line and is connected with the conveying pump in parallel.
Preferably, the jet delivery unit further comprises a second check valve provided on the second flush water line between the jet and the second flush water inlet valve.
Preferably, the controller is further connected with the ejector, the ejector inlet valve, the ejector outlet valve and the second flushing water inlet valve respectively, and is used for controlling the ejector inlet valve, the ejector outlet valve, the second flushing water inlet valve, the second isolation valve and the first outlet valve to be opened when receiving a second output command; and controlling the injector inlet valve and the first outlet valve to close when a second delivery completion command is received.
Preferably, a filter screen is arranged in the storage tank, the system further comprises an emptying unit, the emptying unit comprises an overflow pipeline, the input end of the overflow pipeline is communicated with the storage tank, and the output end of the overflow pipeline is communicated with a downstream drainage system.
Preferably, the rated flow rates of the delivery pump and the ejector are more than or equal to 5m3/h。
The utility model provides a waste resin conveying system has solved the unable waste resin when utilizing gravity from the waste resin of wasting discharge of nuclear power station and has carried the problem. When the waste resin collected in the storage tank needs to be conveyed to the storage tank or a tank car with the elevation close to or even higher than that of the storage tank, or the waste resin conveying pipeline is long, the waste resin is conveyed by adopting the pumping unit, so that the pressure head and the conveying efficiency are higher; when the waste resin collected in the storage tank needs to be conveyed to a position lower than the storage tank and the waste resin conveying pipeline is short, the waste resin is conveyed by adopting the jet conveying unit, so that the energy consumption is reduced, and the economic efficiency is better.
Drawings
Fig. 1 is a schematic structural view of a waste resin conveying system according to an embodiment of the present invention.
In the figure: 1-a storage tank; 2-a delivery pump; 3-an ejector; 4-a sump outlet valve; 5-injector inlet valve; 6-injector outlet valve; 7-a second check valve; 8-a second flush water inlet valve; 9-transfer pump inlet valve; 10-a transfer pump outlet valve; 11-a first outlet valve; 12-a second isolation valve; 13-a first isolation valve; 14-a first check valve; 15-first flush water inlet valve;
16-a filter screen.
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, and may be, for example, 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 waste resin conveying system, which comprises a storage tank, a pumping unit and a spraying conveying unit,
the storage tank is used for storing waste resin;
the pumping unit is used for conveying waste resin in a pumping mode and comprises a first conveying pipeline, a conveying pump inlet valve and a conveying pump outlet valve,
the input end of the first delivery line is communicated with the storage tank, and the output end of the first delivery line is communicated with a downstream processing system; the delivery pump, the delivery pump inlet valve and the delivery pump outlet valve are all arranged on the first delivery line, and the delivery pump inlet valve and the delivery pump outlet valve are respectively arranged at the upstream and the downstream of the delivery pump;
and the spraying conveying unit is used for conveying the waste resin in a spraying mode.
Example 1:
as shown in fig. 1, the present embodiment discloses a waste resin transfer system including a tank 1 and a pumping unit. The storage tank 1 is used for storing waste resin; the pumping unit comprises a first delivery line, a delivery pump 2, a delivery pump inlet valve 9 and a delivery pump outlet valve 10.
Wherein the input end of the first transfer line is in communication with the sump 1 and the output end thereof is in communication with a treatment system downstream of the waste resin transfer system; the delivery pump 2, the delivery pump inlet valve 9 and the delivery pump outlet valve 10 are all arranged on the first delivery line, and the delivery pump inlet valve 9 and the delivery pump outlet valve 10 are respectively arranged at the upstream and the downstream of the delivery pump 2.
In this embodiment, the pumping unit further comprises a sump outlet valve 4 and a first outlet valve 11. A sump outlet valve 4 and a first outlet valve 11 are provided on the first delivery line, wherein the sump outlet valve 4 is between the sump 1 and the delivery pump inlet valve 9 and the first outlet valve 11 is between the delivery pump outlet valve 10 and the treatment system.
Optionally, the delivery system further comprises a first flushing unit for flushing the pumping unit. As shown in fig. 1, the first flush unit includes a first flush water line, a flush water return line, a first flush water inlet valve 15, and a first isolation valve 13.
In this embodiment, the input end of the first flush water line is communicated with a demineralized water system (a flush water supply system for supplying demineralized water), and the output end thereof is communicated with the first delivery line, and the communication position of the output end of the first flush water line and the first delivery line is on the first delivery line between the sump outlet valve 4 and the delivery pump inlet valve 9; a first flush water inlet valve 15 is provided on the first flush water line; the input of the flushing water return line communicates with the first delivery line at a location on the first delivery line between the delivery pump outlet valve 10 and the first outlet valve 11, the output of the flushing water return line communicates with the sump 1, and a first isolation valve 13 is provided on the flushing water return line.
Optionally, the first flushing unit further comprises a first check valve 14, the first check valve 14 being provided on the first flushing water line downstream of the first flushing water inlet valve 15 to prevent the spent resin in the first transfer line from entering the demineralization system.
Optionally, the delivery system may further include a control unit, where the control unit includes a controller, and the controller is electrically connected to the delivery pump 2, the delivery pump inlet valve 9, the delivery pump outlet valve 10, the reservoir outlet valve 4, and the first outlet valve 11, and is configured to, when receiving a first delivery instruction, first control the reservoir outlet valve 4, the delivery pump inlet valve 9, the delivery pump outlet valve 10, and the first outlet valve 11 to open, and then control the delivery pump 2 to open; and for controlling the sump outlet valve 4 and the first outlet valve 11 to close and then the first flush water inlet valve 15 and the first isolation valve 13 to open upon receipt of the first delivery completion command.
In this embodiment, the conveying system further includes a spray conveying unit for conveying the waste resin by spraying, the spray conveying unit including a second conveying line, the injector 3, an injector inlet valve 5, and an injector outlet valve 6.
As shown in fig. 1, the input end of the second transfer line communicates with the sump 1, and the output end thereof communicates with the treatment system; the injectors 3, injector inlet valves 5 and injector outlet valves 6 are all provided on the second delivery line, with the injector inlet valves 5 and injector outlet valves 6 being provided separately upstream and downstream of the injectors 3.
The delivery system further comprises a second flush unit comprising a second flush water line and a second flush water inlet valve 8. The input end of the second flushing water pipeline is communicated with the demineralized water system (namely the flushing water supply system), and the output end of the second flushing water pipeline is communicated with the ejector 3; a second flush water inlet valve 8 is provided in the second flush water line.
In this embodiment the output of the second delivery line communicates with the first delivery line at a location between the delivery pump outlet valve 10 and the first outlet valve 11. Meanwhile, the jet delivery unit further includes a second isolation valve 12, and the second isolation valve 12 is disposed on the second delivery line and is disposed in parallel with the delivery pump 2.
In this embodiment, the second transfer line has an overlapping portion with the first transfer line. In particular, the section of the second delivery line between the injector outlet valve 6 and the second isolation valve 12 coincides with the section of the first delivery line provided with the delivery pump inlet valve 9.
Optionally, the spray delivery unit further comprises a second check valve 7, the second check valve 7 being provided on the second flush water line between the sprayer 3 and the second flush water inlet valve 8 to prevent the waste resin in the second delivery line from entering the demineralized water system.
In this embodiment, the controller is further connected to the injector 3, the injector inlet valve 5, the injector outlet valve 6, and the second flush water inlet valve 8, respectively, and is configured to control the injector inlet valve 5, the injector outlet valve 6, the second flush water inlet valve 8, the second isolation valve 12, and the first outlet valve 11 to open when receiving a second output command; and for controlling the injector inlet valve 5 and the first outlet valve 11 to close upon receipt of a second delivery complete command.
In this embodiment, the rinse water in both the first rinse unit and the second rinse unit is demineralized water.
Wherein, a filter screen 16 is arranged in the storage tank 1 for filtering the desalted water which flows into the storage tank 1 after being washed. A screen 16 is provided at the upper portion of the sump 1.
Optionally, the delivery system further comprises an emptying unit comprising an overflow line, the input of which is in communication with the flushing water in the sump 1 after filtration by the screen 16 and the output of which is in communication with a drainage system downstream.
In this embodiment, all the pipes (the first conveying pipe, the first flushing pipe, etc.) have a pipe diameter of DN50, so as to prevent the waste resin from being blocked due to the excessively thin pipes. And the rated flow rates of the delivery pump 2 and the ejector 3 are more than or equal to 5m3H, the flow velocity of the waste resin and the water in the pipeline with the pipe diameter of DN50 can be enabled to exceed 1.4m/s while the conveying efficiency is ensured, and therefore the probability of pipeline blockage in the waste resin conveying system is further reduced.
As can be seen from fig. 1, when the pumping unit is used to deliver the waste resin, it should be confirmed that the injector outlet valve 6, the first washing water inlet valve 15, the second isolation valve 12, and the first isolation valve 13 are in a closed state first; the sump outlet valve 4, the transfer pump inlet valve 9, the transfer pump outlet valve 10, and the first outlet valve 11 are then opened, respectively, and the transfer pump 2 is turned on, and the waste resin in the sump 1 is transferred by the transfer pump 2 through the first transfer line (node N01 to node N02, and via node N09) to the treatment system, where the waste resin is collected in the sump 1.
When the waste resin transfer is completed, the tank outlet valve 4 and the first outlet valve 11 are closed, then the first flushing water inlet valve 15 and the first isolation valve 13 are opened, the flushing of the transfer line with the demineralized water is started, the demineralized water from the demineralized water system enters the first transfer line through the first flushing water line and flushes the transfer pump 2, and finally the demineralized water is returned to the tank 1 through the flushing water return line (from the node N13 to the node N14, and sequentially through the node N09 and the node N08). The flushed desalted water passes through the screen 16 in the sump 1 and into the overflow line (node N10 to node N11) to drain excess desalted water to the drainage system.
When the waste resin is transferred by the jet transfer unit, it should be confirmed that the sump outlet valve 4, the transfer pump inlet valve 9, the transfer pump outlet valve 10, the first washing water inlet valve 15, the first isolation valve 13 are in a closed state at first; then the ejector inlet valve 5, the ejector outlet valve 6, the second washing water inlet valve 8, the second isolation valve 12, the first outlet valve 11 are opened, the waste resin in the storage tank 1 enters the ejector 3 through the second transfer line (node N03 to node N04), and the demineralized water from the demineralized water system transfers the waste resin to the treatment system through the second transfer line (node N06 to node N02, and sequentially through node N07, node N09, and node N05) under the action of the ejector 3.
When the waste resin transfer is completed, the eductor inlet valve 5 and the first outlet valve 11 are closed, the second isolation valve 12 is opened, and the demineralized water from the second flush water line enters the second transfer line to flush the second transfer line, and finally the demineralized water is returned to the tank 1 through the flush water return line (node N06 to node N14, and sequentially through node N07, node N09, node N05, and node N08).
Therefore, the waste resin conveying system can respectively utilize the conveying pump 2 or the ejector 3 to convey waste resin, so that the difficulty that the resin cannot be conveyed by gravity at present is overcome, and the waste resin can be conveyed to the waste resin conveying tank car and then conveyed to a plant site waste treatment center for treatment.
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 waste resin delivery system is characterized by comprising a storage tank (1), a pumping unit and a spraying delivery unit,
the storage tank is used for storing waste resin;
the pumping unit is used for conveying waste resin in a pumping mode and comprises a first conveying pipeline, a conveying pump (2), a conveying pump inlet valve (9) and a conveying pump outlet valve (10),
the input end of the first delivery line is communicated with the storage tank, and the output end of the first delivery line is communicated with a downstream processing system; the delivery pump, the delivery pump inlet valve and the delivery pump outlet valve are all arranged on the first delivery line, and the delivery pump inlet valve and the delivery pump outlet valve are respectively arranged at the upstream and the downstream of the delivery pump;
and the spraying conveying unit is used for conveying the waste resin in a spraying mode.
2. The waste resin delivery system according to claim 1, wherein the pumping unit further comprises a sump outlet valve (4) and a first outlet valve (11),
the reservoir outlet valve and the first outlet valve are both disposed on the first delivery line with the reservoir outlet valve between the reservoir and the delivery pump inlet valve, the first outlet valve between the delivery pump outlet valve and the treatment system,
the system further comprises a first flushing unit for flushing the first delivery line, comprising a first flush water line, a flush water return line, a first flush water inlet valve (15), and a first isolation valve (13),
the input end of the first flushing water pipeline is communicated with a flushing water supply system, the output end of the first flushing water pipeline is communicated with the first conveying pipeline, and the communication position is located on the first conveying pipeline between the outlet valve of the storage tank and the inlet valve of the conveying pump; the first flushing water inlet valve is arranged on the first flushing water pipeline; the input end of the flushing water return line is communicated with the first delivery line, the communication position is positioned on the first delivery line between the delivery pump outlet valve and the first outlet valve, and the output end of the flushing water return line is communicated with the storage tank; the first isolation valve is provided on the washing water return line.
3. The waste resin delivery system according to claim 2, wherein the first flush unit further comprises a first check valve (14) provided on the first flush water line downstream of the first flush water inlet valve.
4. The waste resin conveying system according to claim 2, further comprising a control unit including a controller,
the controller is electrically connected with the delivery pump, the delivery pump inlet valve, the delivery pump outlet valve, the storage tank outlet valve and the first outlet valve respectively and is used for controlling the delivery pump to be opened and controlling the delivery pump inlet valve, the delivery pump outlet valve, the storage tank outlet valve and the first outlet valve to be opened.
5. The waste resin conveying system according to claim 4, wherein the jet conveying unit includes a second conveying line, an injector (3), an injector inlet valve (5), and an injector outlet valve (6),
the input end of the second delivery line is communicated with the storage tank, and the output end of the second delivery line is communicated with the processing system; the injector, the injector inlet valve and the injector outlet valve are all arranged on a second delivery line, and the injector inlet valve and the injector outlet valve are respectively arranged at the upstream and the downstream of the injector;
the system further comprises a second flush unit comprising a second flush water line and a second flush water inlet valve (8),
the input end of the second flushing water pipeline is communicated with a flushing water supply system, and the output end of the second flushing water pipeline is communicated with the ejector; the second flush water inlet valve is located on the second flush water line.
6. The waste resin conveying system according to claim 5, wherein an output end of the second conveying line communicates with the first conveying line between a conveying pump outlet valve and a first outlet valve,
the jet delivery unit further comprises a second isolation valve (12) arranged on the second delivery line and arranged in parallel with the delivery pump.
7. The waste resin delivery system according to claim 6, wherein the jet delivery unit further comprises a second check valve (7) provided on the second flush water line between the jet and the second flush water inlet valve.
8. The waste resin conveying system according to claim 6, wherein the controller is further connected to the injector, the injector inlet valve, the injector outlet valve, and the second washing water inlet valve, respectively, for controlling the injector inlet valve, the injector outlet valve, the second washing water inlet valve, the second isolation valve, and the first outlet valve to be opened upon receiving the second output command; and controlling the injector inlet valve and the first outlet valve to close when a second delivery completion command is received.
9. The waste resin transporting system according to any one of claims 1 to 8, wherein a strainer (16) is provided in the storage tank,
the system also includes an evacuation unit including an overflow line having an input end in communication with the sump and an output end in communication with a downstream evacuation system.
10. The waste resin transporting system according to any one of claims 5 to 8, wherein the rated flow rates of the transporting pump and the ejector are not less than 5m3/h。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532730.XU CN214569112U (en) | 2020-11-05 | 2020-11-05 | Waste resin conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532730.XU CN214569112U (en) | 2020-11-05 | 2020-11-05 | Waste resin conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214569112U true CN214569112U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022532730.XU Active CN214569112U (en) | 2020-11-05 | 2020-11-05 | Waste resin conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214569112U (en) |
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2020
- 2020-11-05 CN CN202022532730.XU patent/CN214569112U/en active Active
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