CN212869376U

CN212869376U - Remote control type radioactive slurry extracting and conveying device

Info

Publication number: CN212869376U
Application number: CN202021775348.5U
Authority: CN
Inventors: 王文龙; 阳诚; 李鸿展; 张成云; 司永卫; 庄旭洲; 赵炳皓; 向林; 王炳志; 张玉清
Original assignee: SICHUAN ENVIRONMENTAL PROTECTION ENGINEERING CO LTD CNNC
Current assignee: SICHUAN ENVIRONMENTAL PROTECTION ENGINEERING CO LTD CNNC
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-02
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a remote control formula radioactive slurry draws and conveyor mainly solves the inconvenient problem of radioactive waste liquid mud retrieval processing in the current waste liquid jar. The device comprises a rack, a travelling mechanism arranged at the bottom of the rack, a stirring device arranged at the front end of the rack, a pressurizing and flushing device and an extracting and conveying device which are arranged on the rack and matched with the stirring device, and a remote controller which is connected with the travelling mechanism, the stirring device, the pressurizing and flushing device and the extracting and conveying device through signal lines. Through the design, the utility model discloses a remote control formula mud draws conveyor can replace the manual work completely, and the operation is carried in the breakage, suspension, the suction of the residual mud of development in the radioactivity basin, makes operating personnel keep away from the environment that has strong radioactivity, based on remote control safety, accuracy, stably develop the breakage, suspension, suction and the transport of residual mud, reduced the unnecessary dose of being shone. Therefore, the method is suitable for popularization and application.

Description

Remote control type radioactive slurry extracting and conveying device

Technical Field

The utility model relates to a radioactive waste liquid and mud draw and carry technical field, specifically speaking relates to a remote control formula radioactive mud draws and conveyor.

Background

In enterprises such as post-treatment plants, production units, scientific research institutions, nuclear fuel circulation units, nuclear power operation units and the like in a nuclear industrial production system, a certain amount of high, medium and low radioactive waste liquid is generated in daily production and scientific research, and the volume of the radioactive waste liquid to be treated is generally more than 500m³The waste liquid tanks are stored, and most of the storage tanks are close to the designed service life and part of the storage tanks even have the condition of overdimension from the analysis of the current practical situation. China starts waste liquid-solid conversion engineering in the last stage of twelve five, but the waste liquid-solid conversion engineering is limited by subsequent process requirements and actual stirring effect, partial residual radioactive slurry still remains at the bottom of a storage tank after the waste liquid is extracted and conveyed, the slurry has poor flowing property and certain viscosity, even plate-bonded objects exist, in addition, the radiation level in the tank is high, and personnel cannot carry out operation in a short distance, so that a remote control tool needs to be designedSolves the problems of the recovery and the transfer of residual slurry at the bottom of the radioactive waste liquid storage tank, and breaks through the final bottleneck of the decommissioning of the radioactive waste liquid storage tank in the long-term service.

The decommissioning work of the radioactive waste liquid tank is carried out in countries such as America, Britain and Russia. In the process of carrying out radioactive waste liquid and sediment retrieval technology in the United states, as the mechanical pump fails, more than 300 times of waste liquid is overflowed and discharged, so that safety accidents are caused, the technology is not mature, and the application has greater risk; crawler-type 'trolleys' and 'super trolleys' explosion-removing type multifunctional intelligent robots developed in England can be applied to the cleaning and transferring of remote radioactive wastes, but have low carrying load due to high price, and have small application prospect in the aspect of retrieving residual radioactive slurry at the bottom of a large storage tank; the Russian IMCC company designs and develops a simple retrieval tool suitable for dry slurry in a pit, and retrieves radioactive slurry at the bottom of a container by using a pulse pump for flushing and sucking; the German Wehlemmiss company develops an A1000 system, which adopts a telescopic rod type mechanical arm to retrieve wastes, and the system mainly comprises a telescopic rod, an operating machine arm, a slide rail, a control system and the like, but the cost is high, the structure is complex, and the retrieval of slurry at the corners of the bottom of a radioactive storage tank is incomplete.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a remote control formula radioactive slurry draws and conveyor mainly solves the inconvenient problem of radioactive waste liquid mud retrieval processing in the current waste liquid jar.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a remote control formula radioactive slurry draws and conveyor, includes the frame, installs in the running gear of frame bottom, installs the agitating unit in the frame front end, installs in the frame and the pressurization washing unit that cooperates agitating unit to use and draws conveyor to reach the remote control ware that all links to each other through signal line and running gear, agitating unit, pressurization washing unit, draw conveyor.

Furthermore, the running mechanism comprises two pairs of rotating wheels arranged on the left side and the right side below the rack, a crawler arranged on the rotating wheels, a first driving motor arranged inside the rack and connected with the remote controller through a signal line, a first speed reducer connected with the first driving motor, and a transmission shaft, one end of the transmission shaft is connected with the first speed reducer, and the other end of the transmission shaft is connected with the rotating wheels.

Furthermore, the stirring device comprises a roller arranged at the front end of the rack, spiral threads fixed on the outer surface of the roller, lifting motors arranged at two ends of the roller, a second driving motor arranged on the rack, a second speed reducer connected with the second driving motor, a chain for transmitting the power of the second speed reducer to the roller, a tensioning roller arranged on the rack and connected with the chain, and a collecting box arranged at the rear end of the roller; and the second driving motor and the lifting motor are connected with a remote controller through signal lines.

Furthermore, the pressurized flushing device comprises pressurized water equipment arranged on the rack, a control valve connected with the pressurized water equipment through a pressurized water pipe, and a duckbilled spray head connected with the water outlet end of the control valve; wherein, the control valve is connected with a remote controller through a signal wire.

Further, draw conveyor including install in the frame and through corrugated connection pipe and the diaphragm pump that collects the box and link to each other, fix in the frame and the air compressor machine that links to each other with the diaphragm pump, be fixed in the frame with the air compressor machine of air compressor machine other end intercommunication to and the delivery hose that links to each other with the delivery outlet of diaphragm pump.

Furthermore, a hoisting ring is arranged above the rack.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a remote control formula mud draws conveyor can replace the manual work completely, and the breakage, suspension, suction and the transport operation of remaining mud are opened up in the radioactivity basin, make operating personnel keep away from the environment that has strong radioactivity, based on remote control safety, accuracy, stably develop the breakage, suspension, suction and the transport of remaining mud, reduced the unnecessary exposure dose.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the pressurized flushing device of the present invention.

Fig. 3 is the structure schematic diagram of the middle stirring device and the extraction conveying device of the present invention.

Wherein, the names corresponding to the reference numbers are:

1-frame, 2-stirring device, 3-pressurized flushing device, 4-extraction conveying device, 5-remote controller, 6-rotating wheel, 7-crawler belt, 8-first driving motor, 9-first speed reducer, 10-transmission shaft, 11-roller, 12-spiral line, 13-lifting motor, 14-second driving motor, 15-second speed reducer, 16-chain, 17-collection box, 18-pressurized water device, 19-pressure water pipe, 20-control valve, 21-duckbilled nozzle, 22-corrugated connecting pipe, 23-diaphragm pump, 24-pressure air pipe, 25-reverse control valve, 26-air compressor, 27-conveying hose and 28-hoisting ring.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

Examples

As shown in fig. 1-3, the utility model discloses a remote control formula radioactive mud draws and conveyor, including frame 1, install in the running gear of frame 1 bottom, install in the agitating unit 2 of frame 1 front end, install in frame 1 and cooperate the pressurization washing unit 3 that agitating unit 2 used and draw conveyor 4 to and pass through signal line and running gear, agitating unit 2, pressurization washing unit 3, draw the remote control ware 5 that conveyor 4 all links to each other. And, still be provided with hoist and mount ring 28 above frame 1 for hang the whole device into the big jar of depositing radioactive mud.

In this embodiment, the traveling mechanism includes two pairs of wheels 6 installed at the left and right sides below the frame 1, a caterpillar 7 installed on the wheels 6, a first driving motor 8 installed inside the frame 1 and connected to the remote controller 5 through a signal line, a first reducer 9 connected to the first driving motor 8, and a transmission shaft 10 having one end connected to the first reducer 9 and the other end connected to the wheels 6. During the use, open first driving motor 8 through remote control 5, the signal passes through the signal line and conveys to first driving motor, and first reduction gear 9 is adjusted and is carried power to transmission shaft 10 on, and transmission shaft 10 drives runner 6 and rotates, and runner 6 drives track 7 and rotates, realizes advancing, retreating of robot when both sides runner 6 syntropy moves, realizes that the robot turns to when both sides runner 6 reverse operation.

In this embodiment, the stirring device 2 includes a roller 11 installed at the front end of the frame 1, a spiral thread 12 fixed on the outer surface of the roller 11, a lifting motor 13 installed at both ends of the roller 11, a second driving motor 14 installed on the frame 1, a second speed reducer 15 connected to the second driving motor 14, a chain 16 for transmitting the power of the second speed reducer 15 to the roller, a tensioning roller 29 installed on the frame 1 and connected to the chain, and a collecting box 17 installed at the rear end of the roller 11; wherein, the second driving motor 14 and the hoisting machine 13 are connected with the remote controller 5 through signal wires. When the device is used, the lifting motor 13 is started through the remote controller 5, signals are transmitted to the lifting motor 13 through signal lines, the roller 11 is lifted to a proper height, the second driving motor 14 is started through the remote controller 5, signals are transmitted to the second driving motor 14 through signal lines, the second speed reducer 15 adjusts power and transmits the power to the roller 11 through the chain 16, the roller 11 rotates, the spiral threads 12 above the roller 11 continuously cut and stir slurry, and the slurry is crushed and suspended. The purpose of using the tensioning roller is to ensure that the chain is always in a tensioned state during the lifting of the roller.

In this embodiment, the pressurized flushing device 3 comprises a pressurized water device 18 mounted on the frame 1, a control valve 19 connected with the pressurized water device 18 through a pressurized water pipe 19, and a duckbill-type spray head 20 connected with the water outlet end of the control valve 19; wherein the control valve 19 is connected to the remote controller 5 via a signal line. When the device is used, the pressurized water equipment 18 is started through the remote controller 5, signals are transmitted to the pressurized water equipment 18 through signal lines, pressurized water is conveyed to the control valve 19 through the pressure water pipe 19, the remote controller 5 starts the control valve 20, and the pressurized water is conveyed to the duckbill-type spray head 21 through the control valve 20 and is sprayed out, so that pressurized water spraying is realized.

In this embodiment, the extraction and delivery device 4 includes a diaphragm pump 23 mounted on the frame 1 and connected to the collection box 17 through a bellows connection pipe 22, a compressed air pipe 24 fixed to the frame 1 and connected to the diaphragm pump 23, an air compressor 26 fixed to the frame 1 and connected to the other end of the compressed air pipe 24, and a delivery hose 27 connected to an output port of the diaphragm pump 23. When the device is used, the diaphragm pump 23 is started through the remote controller 5, a signal is transmitted to the diaphragm pump 23 through a signal line, the diaphragm pump 23 is started, negative pressure is generated on one side of the collection box 17, the crushed and suspended slurry in the collection box 17 is extracted into the diaphragm pump 23 through the corrugated connecting pipe 22, the pressure of the diaphragm pump 23 is utilized to convey the slurry to a certain height through the conveying hose 27, and the extraction and the conveying of materials are realized; if a blockage occurs, the reverse control valve 25 and the diaphragm pump 23 are opened through the remote controller 5, so that the slurry moves reversely, and the blockage slurry is discharged. The manner in which bellows 22 connects collection box 17 to diaphragm pump 23 in this embodiment ensures that collection box 17 can follow roller 11 up and down.

Through the design, the utility model discloses a remote control formula mud draws conveyor can replace the manual work completely, and the operation is carried in the breakage, suspension, the suction of the residual mud of development in the radioactivity basin, makes operating personnel keep away from the environment that has strong radioactivity, based on remote control safety, accuracy, stably develop the breakage, suspension, suction and the transport of residual mud, reduced the unnecessary dose of being shone. Therefore, compared with the prior art, the utility model has the substantive characteristics and progress.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.

Claims

1. The utility model provides a remote control formula radioactive slurry draws and conveyor, a serial communication port, which comprises a frame (1), set up hoist and mount ring (28) that are used for the hoist and mount in the frame, install in the running gear of frame (1) bottom, install agitating unit (2) in frame (1) front end, install in frame (1) and cooperate pressurization washing unit (3) that agitating unit (2) used and draw conveyor (4), and pass through signal line and running gear, agitating unit (2), pressurization washing unit (3), draw remote controller (5) that conveyor (4) all link to each other.

2. The remote control type radioactive mud extracting and conveying device according to claim 1, wherein the traveling mechanism comprises two pairs of rotating wheels (6) installed at the left side and the right side below the rack (1), a crawler belt (7) installed on the rotating wheels (6), a first driving motor (8) installed inside the rack (1) and connected with the remote controller (5) through a signal line, a first speed reducer (9) connected with the first driving motor (8), and a transmission shaft (10) with one end connected with the first speed reducer (9) and the other end connected with the rotating wheels (6).

3. The remote control type radioactive slurry extracting and conveying device according to claim 2, wherein the stirring device (2) comprises a roller (11) arranged at the front end of the rack (1), spiral threads (12) fixed on the outer surface of the roller (11), lifting motors (13) arranged at two ends of the roller (11), a second driving motor (14) arranged on the rack (1), a second speed reducer (15) connected with the second driving motor (14), a chain (16) used for transmitting the power of the second speed reducer (15) to the roller, a tensioning roller (29) arranged on the rack (1) and connected with the chain, and a collecting box (17) arranged at the rear end of the roller (11); the second driving motor (14) and the lifting motor (13) are connected with the remote controller (5) through signal lines.

4. A remote radioactive mud extraction and delivery device according to claim 3, wherein the pressurized flushing device (3) comprises a pressurized water device (18) mounted on the frame (1), a control valve (20) connected to the pressurized water device (18) through a pressurized water pipe (19), and a duckbill spray head (21) connected to the water outlet end of the control valve (20); wherein the control valve (20) is connected with a remote controller (5) through a signal line.

5. The remote control type radioactive slurry extracting and conveying device according to claim 4, wherein the extracting and conveying device (4) comprises a diaphragm pump (23) which is installed on the frame (1) and is connected with the collecting box (17) through a corrugated connecting pipe (22), a compressed air pipe (24) and a reverse control valve (25) which are fixed on the frame (1) and are connected with the diaphragm pump (23), an air compressor (26) which is fixed on the frame (1) and is communicated with the other end of the compressed air pipe (24), and a conveying hose (27) which is connected with an output port of the diaphragm pump (23).