CN111229725B - Dust treatment device for surface of core block - Google Patents
Dust treatment device for surface of core block Download PDFInfo
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- CN111229725B CN111229725B CN202010054501.3A CN202010054501A CN111229725B CN 111229725 B CN111229725 B CN 111229725B CN 202010054501 A CN202010054501 A CN 202010054501A CN 111229725 B CN111229725 B CN 111229725B
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- cavity
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- core block
- blowing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
- B08B5/023—Cleaning travelling work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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Abstract
The invention provides a dust treatment device for a surface of a core block, which comprises: the dust blowing cavity is connected with the pellet conveying device and the fixed support; the pellet conveying device is used for continuously inputting and discharging pellets to the dust blowing cavity; the dust blowing chamber is used for continuously blowing the surfaces of the pellets conveyed into the dust blowing chamber. The processing device realizes the online continuous processing of the dust on the surface of the pellet; moreover, the treatment device does not use any cleaning liquid, so that the generation of radioactive waste liquid is avoided, and the problem caused by a water washing mode is solved.
Description
Technical Field
The invention relates to the technical field of nuclear fuel production, in particular to a dust treatment device for the surface of a core block.
Background
In the field of nuclear fuel, in the process of processing fuel pellets, in order to ensure that the outer diameter of the pellets meets the requirements, the outer circle of the pellets is usually ground. During the grinding process, a large amount of radioactive dust is attached to the surface of the core block, so that much inconvenience is brought to subsequent processing. In order to solve the problems, water washing is generally used to remove dust on the surface of the pellets during the grinding of the pellets. However, the washing method brings a large amount of radioactive wastewater, and the radioactive wastewater treatment process is complex and high in cost. Moreover, some special materials have high requirements on the moisture content, and the water washing mode can cause difficulty in water removal of subsequent pellets.
Therefore, there is a need in the art for a new pellet surface dust treatment solution to solve the above technical problems while satisfying pellet surface dust treatment requirements.
Disclosure of Invention
The present invention has been made to solve, at least in part, the technical problems occurring in the prior art.
The technical scheme adopted for solving the technical problem of the invention is as follows:
the invention provides a dust treatment device for a surface of a core block, which comprises: the dust blowing cavity is connected with the pellet conveying device and the fixed support; the pellet conveying device is used for continuously inputting and discharging pellets to the dust blowing cavity; the dust blowing chamber is used for continuously blowing the surfaces of the pellets conveyed into the dust blowing chamber.
Optionally, the dust blowing chamber comprises: the sealing ring is positioned at the joint of the sealing cavity and the pellet conveying device; the sealing cavity is provided with a plurality of air blowing openings and a plurality of air outlets; the air blowing port is connected with an air source so as to input high-frequency and high-pressure air flow into the sealing cavity through the air blowing port.
Optionally, the air outlet is connected with a negative pressure interface.
Optionally, the air blowing openings are arranged in multiple groups, each group of air blowing openings are arranged along the length direction of the sealed cavity, and each group of air blowing openings are arranged along the circumferential direction of the sealed cavity; the air outlets are arranged at the bottom of the sealed cavity and are distributed along the length direction of the sealed cavity.
Optionally, the pellet conveying device adopts linear vibration or synchronous belt or circular belt transmission.
Optionally, the pellet transfer device comprises: the core block conveying pipe, the connecting bracket, the linear vibrator and the dismounting part are connected in sequence; the core block conveying pipe penetrates through the dust blowing cavity, the interior of the core block conveying pipe is hollow so as to form a core block channel, and a plurality of through holes are formed in the pipe wall of the core block conveying pipe; the linear vibrator is used for driving the core blocks in the core block channel to do linear motion; the dismounting part is used for realizing the mounting and dismounting of the linear vibrator.
Optionally, the detachable part includes: a quick-release mechanism and a quick-release knob connected with the quick-release mechanism.
Optionally, the pellet transferring device further comprises: an adjustment section; the adjusting part is connected with the dismounting part and is used for adjusting the height of the whole pellet conveying device.
Optionally, the adjusting part includes: the adjusting plate, the bottom plate arranged below the adjusting plate, the stud arranged between the adjusting plate and the bottom plate and the nut matched with the stud.
Optionally, the fixing bracket comprises: the two sub-supports are oppositely arranged and are respectively connected with the positions, close to the two ends, of the dust blowing cavity.
Has the advantages that:
the processing device continuously conveys the pellets into the dust blowing cavity through the pellet conveying device, and the dust blowing cavity continuously blows the surface of the pellets in the pellet conveying process until the pellets are discharged, so that online continuous processing of the dust on the surface of the pellets is realized, the processing requirement of the dust on the surface of the pellets is met, and the maximum capacity of equipment is realized; moreover, the treatment device does not use any cleaning liquid, so that the generation of radioactive waste liquid is avoided, and the problem caused by a water washing mode is solved.
Drawings
Fig. 1 is a front view of a pellet surface dust processing apparatus provided in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
fig. 3 is a left side view of fig. 1.
In the figure: 1-dust blowing cavity; 2-pellet transport means; 3-fixing the bracket; 4-a linear vibrator; 5-connecting a bracket; 6-core block; 7-conveying the core block; 8-sealing the cavity; 9-air blowing port; 10-air outlet; 11-a sealing ring; 12-quick release knob; 13-a quick release mechanism; 14-adjusting plate; 15-a nut; 16-stud.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention is further described in detail below with reference to the accompanying drawings and examples.
In the description of the present invention, it is to be understood that the orientations and positional relationships indicated by the various positional terms are based on the orientations and positional relationships shown in the drawings only for the convenience of describing the present invention and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In order to solve a series of problems caused by using a water washing mode to remove dust on the surface of a core block in the grinding process of the core block, the embodiment of the invention provides a device for treating the dust on the surface of the core block, which is mainly used for treating the dust on the surface of the radioactive core block.
As shown in fig. 1 to 3, the processing apparatus includes: a dust blowing cavity 1, a pellet conveying device 2 connected with the dust blowing cavity 1, and a fixed bracket 3 connected with the dust blowing cavity 1.
Wherein the pellet transferring device 2 is used for continuously feeding and discharging pellets 6 to the dust blowing chamber 1. The dust blowing cavity 1 is used for continuously blowing and sweeping the surface of the pellets 6 conveyed into the dust blowing cavity; the fixing bracket 3 is used for fixing the dust blowing cavity 1.
In the embodiment, the processing device continuously conveys the pellets into the dust blowing cavity through the pellet conveying device, and the dust blowing cavity continuously blows the surfaces of the pellets in the pellet conveying process until the pellets are discharged, so that online continuous processing of the dust on the surfaces of the pellets is realized, the processing requirement of the dust on the surfaces of the pellets is met, and the maximum capacity of equipment is realized; moreover, the treatment device does not use any cleaning liquid, so that the generation of radioactive waste liquid is avoided, and the problem caused by a water washing mode is solved.
As shown in fig. 2, the dust blowing chamber 2 includes: a sealing cavity 8 and a sealing ring 11 positioned at the junction of the sealing cavity 8 and the pellet transferring device 2, in particular the pellet conveying pipe 7. The sealing ring can be made of soft materials, the opening of the central hole is proper in size, and a rubber ring can be used for example.
Because the sealing rings 11 are arranged at the connecting part of the sealing cavity 8 and the pellet conveying pipe 7, namely the openings at the two ends of the sealing cavity 8, the sealing cavity 8 becomes a relatively closed space, and the pellet 6 in the dust blowing cavity 1 is prevented from being interfered by the external environment.
Wherein, a plurality of air blowing openings 9 and a plurality of air outlets 10 are arranged on the sealing cavity 8. The air blowing port 9 is connected with an air source so as to input high-frequency high-pressure air flow (also called high-frequency pulse air flow) into the sealing cavity 8 through the air blowing port 9, and the air pressure and the frequency are adjustable, so that the surface of the core block in the sealing cavity is swept through the high-frequency high-pressure air flow, and dust on the surface of the core block is removed. As for the specific values of the pressure and the frequency of the gas flow input into the sealed chamber, they can be set by those skilled in the art according to the actual situation.
The dust swept from the surface of the core block 6 is discharged through the gas outlet 10, and the discharged dust can be conveyed to a dust collection unit along with the gas for filtering, so that dust collection is realized, and dust diffusion is avoided.
Further, the air outlet 10 is connected with the negative pressure interface, and the air quantity and the pressure are adjustable, so that impurities in the external environment can be prevented from entering the sealing cavity 8 through the air outlet 10 to pollute the pellet.
The air blowing openings 9 can be uniformly distributed on the side face of the sealing cavity 8, the positions are proper, the number is proper, in some specific embodiments, as shown in fig. 1 to 3, multiple groups of air blowing openings 9 are adopted, each group of air blowing openings 9 are uniformly distributed along the length direction of the sealing cavity 8, and each group of air blowing openings 9 are uniformly distributed along the circumferential direction of the sealing cavity 8.
The air outlets 10 may be uniformly distributed on the side of the sealed cavity 8, and may be located in a proper number, and in some embodiments, as shown in fig. 1 to 3, the air outlets 10 are disposed at the bottom of the sealed cavity 8 and are uniformly distributed along the length direction of the sealed cavity 8.
The arrangement form, the air pressure and the frequency of the air blowing openings 9 and the air outlets 10 can be modified according to actual conditions so as to optimize the effect of blowing off the dust on the surfaces of the pellets.
In order to realize the continuous input and discharge of the pellets, in some embodiments, the pellet conveying device 2 adopts linear vibration or synchronous belt or circular belt transmission to realize the pellet conveying function, and the pellet purging requirement is also required to be met.
The linear vibration transmission belongs to transmission realized by a vibration component; the synchronous belt transmission belongs to meshing transmission, and transmits motion by meshing of transverse teeth which are distributed on the inner surface of a transmission belt at equal intervals and corresponding tooth grooves on a belt wheel; the circular belt transmission belongs to friction transmission, and the circular belt transmission transmits power through friction force between a transmission belt and a belt wheel.
Taking as an example the pellet transferring device 2 employs a linear vibration transmission, in particular, as shown in fig. 2, the pellet transferring device 2 comprises: a core block conveying pipe 7, a connecting bracket 5, a linear vibrator 4 and a dismounting part which are connected in sequence.
The core block conveying pipe 7 penetrates through the dust blowing cavity 8 in the cavity 1, the core block conveying pipe 7 is hollow to form a core block channel, a plurality of through holes (namely hollowed-out holes) are formed in the pipe wall of the core block conveying pipe 7, high-frequency high-pressure air flow input to the sealing cavity 8 through the air blowing hole 9 enters the core block channel through the hollowed-out holes in the pipe wall of the core block conveying pipe 7 and blows dust attached to the surface of a core block, and the blown dust is discharged through the hollowed-out holes in the pipe wall of the core block conveying pipe 7 and the air outlet 10 in the sealing cavity 8. As for the number and arrangement mode of the hollow-out openings on the tube wall of the core block conveying tube 7, the number and arrangement mode can be set by a person skilled in the art according to actual conditions, in some specific embodiments, the hollow-out openings adopt multiple groups, each group of hollow-out openings are uniformly arranged along the length direction of the core block conveying tube 7, and each group of hollow-out openings is uniformly arranged along the circumferential direction of the core block conveying tube 7.
The linear vibrator 4 is connected with the pellet conveying pipe 7 through the connecting bracket 5 and is used for driving the pellets 6 in the pellet passage to do linear motion so as to realize the longitudinal transmission of the pellets 6 until the pellets are discharged from the pellet passage. Since the linear vibrator 4 is a conventional device, its structure and composition will not be described in detail.
The dismounting part is used for realizing the mounting and dismounting of the linear vibrator 4, and is convenient for the overhauling and maintenance operation of the device.
As shown in fig. 3, the detachable section includes: a quick release mechanism 13 and a quick release knob 12 connected with the quick release mechanism. The quick release mechanism 13, which can be quickly disassembled and assembled by the quick release knob 12, belongs to conventional equipment, and therefore, the structure and the composition thereof are not described again.
In this embodiment, the linear vibrator 4 is fixed by the quick release mechanism 13, and is quickly released and installed during maintenance of the linear vibrator.
Further, the pellet transfer device 2 further includes: an adjusting part. The adjusting part is connected with the dismounting part and is used for adjusting the height of the whole pellet conveying device 2.
As shown in fig. 3, the adjusting portion includes: an adjusting plate 14, a base plate disposed below the adjusting plate 14, and a stud 16 and a nut 15 matching the stud 16 disposed therebetween.
As shown in fig. 1, the fixing bracket 3 includes: the two sub-supports are oppositely arranged and are respectively connected with the positions, close to the two ends, of the sealing cavity 8 in the dust blowing cavity 3, so that the work of the dust blowing cavity is prevented from being interfered.
The processing device is mounted in the following manner:
after the core block conveying pipe 7 and the sealing cavity 8 in the dust blowing cavity 1 are installed, the core block conveying pipe 7 is fixed on the connecting support 5, then the connecting support 5 is connected with the linear vibrator 4, then the linear vibrator 4 is fixed on the adjusting plate 14 through the quick-release mechanism 13, finally the height of the whole processing device is adjusted to a proper position through the nut 15 and the stud 16, and the quick-release mechanism 13 can realize quick release and quick installation of the linear vibrator 4 through the quick-release knob 12.
The working principle of the processing device is as follows:
under normal operating mode, pellet 6 is carried by anterior segment transmission device and is got into pellet conveyer pipe 7, and pellet 6 gets into sealed chamber 8 under the promotion of linear vibrator 4, and the mouth 9 of blowing blows off high frequency high-pressure gas, blows off pellet 6 surface dust that is located sealed chamber 8, and the dust leaves sealed chamber 8 along with gas by gas outlet 10 and goes to carry out filtration, and linear vibrator 4 continues to promote pellet 6 and leaves sealed chamber 8 to enter hypomere transmission device and carry out subsequent processing. When the equipment needs to be overhauled and maintained, the quick-release knob 12 is rotated, the quick-release mechanism 13 is disassembled, and the linear vibrator 4 is taken out for maintenance.
In conclusion, the pellet surface dust treatment device provided by the invention continuously conveys pellets into the dust blowing cavity through the pellet conveying device, and the dust blowing cavity continuously blows the surface of the pellets in the pellet conveying process until the pellets are discharged, so that the dust blowing on the surface of the pellets is realized, and the problem caused by a water washing mode is avoided; the collection of blowing dust is realized, and the diffusion of dust is avoided; the on-line continuous treatment of the pellets is realized, and the treatment capacity of the device is ensured; and the modularized design of the device is realized, and the quick disassembly and quick assembly of the device are ensured.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which 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 (9)
1. A device for treating dust on a surface of a core, comprising: the dust blowing cavity is connected with the pellet conveying device and the fixed support; the pellet conveying device is used for continuously inputting and discharging pellets to the dust blowing cavity; the dust blowing cavity is used for continuously blowing the surfaces of the pellets conveyed into the dust blowing cavity;
the pellet transfer device includes: the core block conveying pipe, the connecting bracket, the linear vibrator and the dismounting part are connected in sequence; the core block conveying pipe penetrates through the dust blowing cavity, the interior of the core block conveying pipe is hollow so as to form a core block channel, and a plurality of through holes are formed in the pipe wall of the core block conveying pipe; the linear vibrator is used for driving the core blocks in the core block channel to do linear motion; the dismounting part is used for realizing the mounting and dismounting of the linear vibrator.
2. The processing apparatus according to claim 1, wherein the dust blowing chamber comprises: the sealing ring is positioned at the joint of the sealing cavity and the pellet conveying device; the sealing cavity is provided with a plurality of air blowing openings and a plurality of air outlets; the air blowing port is connected with an air source so as to input high-frequency and high-pressure air flow into the sealing cavity through the air blowing port.
3. The processing apparatus of claim 2, wherein the air outlet is connected to a negative pressure interface.
4. The processing device according to claim 2, wherein the plurality of groups of the air blowing openings are arranged along the length direction of the sealed cavity, and each group of the air blowing openings is arranged along the circumferential direction of the sealed cavity; the air outlets are arranged at the bottom of the sealed cavity and are distributed along the length direction of the sealed cavity.
5. The processing device according to any of the claims 1 to 4, characterized in that the pellet transport device uses linear vibration or synchronous belt, circular belt drive.
6. The processing apparatus according to claim 1, wherein the detachable portion comprises: a quick-release mechanism and a quick-release knob connected with the quick-release mechanism.
7. The processing device according to claim 1, characterized in that said pellet transfer device further comprises: an adjustment section; the adjusting part is connected with the dismounting part and is used for adjusting the height of the whole pellet conveying device.
8. The processing apparatus according to claim 7, wherein the adjusting section includes: the adjusting plate, the bottom plate arranged below the adjusting plate, the stud arranged between the adjusting plate and the bottom plate and the nut matched with the stud.
9. The processing apparatus according to claim 1, wherein the fixed support comprises: the two sub-supports are oppositely arranged and are respectively connected with the positions, close to the two ends, of the dust blowing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010054501.3A CN111229725B (en) | 2020-01-17 | 2020-01-17 | Dust treatment device for surface of core block |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010054501.3A CN111229725B (en) | 2020-01-17 | 2020-01-17 | Dust treatment device for surface of core block |
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| CN111229725A CN111229725A (en) | 2020-06-05 |
| CN111229725B true CN111229725B (en) | 2021-05-18 |
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| CN202010054501.3A Active CN111229725B (en) | 2020-01-17 | 2020-01-17 | Dust treatment device for surface of core block |
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| CN113664666A (en) * | 2021-07-28 | 2021-11-19 | 中国核电工程有限公司 | Dust removal device for surface of core block |
| CN113829192A (en) * | 2021-07-28 | 2021-12-24 | 中国核电工程有限公司 | Core block dry grinding system and method |
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| KR101947526B1 (en) * | 2016-12-29 | 2019-02-15 | (주)삼기오토모티브 | High pressure deburring equipment cleaning |
| CN108435593A (en) * | 2018-03-27 | 2018-08-24 | 河南中烟工业有限责任公司 | A kind of high-frequency impulse gas beam foreign body eliminating system |
| CN108655108A (en) * | 2018-06-08 | 2018-10-16 | 西班泰克净化设备（苏州）有限公司 | A kind of tunnel type clean room |
| CN108787625B (en) * | 2018-07-18 | 2023-09-29 | 郴州市海利微电子科技有限公司 | Ion wind surface treatment machine |
| CN109332299A (en) * | 2018-11-14 | 2019-02-15 | 广州市高浦特光电科技有限公司 | A kind of diffusion barrier sheet processing substrate dust-extraction unit |
| CN109277369A (en) * | 2018-11-19 | 2019-01-29 | 大连范特西西科技有限公司 | A kind of high-efficiency battery surface dust cleaning apparatus and method |
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