CN111251091A - Core block dry grinding and grinding slag collecting device - Google Patents
Core block dry grinding and grinding slag collecting device Download PDFInfo
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- CN111251091A CN111251091A CN202010053233.3A CN202010053233A CN111251091A CN 111251091 A CN111251091 A CN 111251091A CN 202010053233 A CN202010053233 A CN 202010053233A CN 111251091 A CN111251091 A CN 111251091A
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- grinding
- glove box
- air
- slag
- slag collecting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
- B24B5/22—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work for grinding cylindrical surfaces, e.g. on bolts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
Abstract
The invention provides a core block dry grinding and grinding slag collecting device, which comprises: the grinding device is used for grinding the core block by adopting a dry grinding mode; the air inlet of the grinding slag collecting device is connected with the air outlet of the grinding device through an air pipe and is used for collecting the grinding slag generated by the grinding device; and the gas circulating device is respectively connected with the air outlet of the grinding slag collecting device and the air inlet of the grinding device through gas pipes and used for driving gas to flow along the path of the air inlet of the grinding slag collecting device and the path of the air outlet of the grinding slag collecting device. The invention realizes the gas circulation from the grinding device to the grinding slag collecting device and then back to the grinding device, fully collects the grinding slag produced continuously by the grinding device, and simultaneously avoids the flying of the grinding slag and dust in the grinding process, thereby avoiding the environmental pollution.
Description
Technical Field
The invention relates to the technical field of nuclear fuel production, in particular to a core block dry grinding and grinding slag collecting device.
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. In the related technology, the pellet grinding process is divided into two types, one type is a wet grinding process, falling grinding slag can be collected along with grinding fluid, but the wet grinding process can generate radioactive waste liquid, and the subsequent treatment process is complex and high in cost; the other method is a dry grinding process, which does not use grinding fluid, and does not produce radioactive waste liquid, but in the dry grinding process, a large amount of radioactive grinding slag and dust are produced, the radioactivity of the equipment body can be improved due to the accumulation of the grinding slag on a grinding machine, and the aerosol concentration in the glove box seriously exceeds the standard, so that the grinding slag needs to be collected.
Therefore, there is a need in the art for a pellet dry grinding slag collection solution for dry grinding process to solve the above problems, so as to meet the requirements of slag collection and dust treatment.
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 core block dry grinding and grinding slag collecting device, which comprises:
the grinding device is used for grinding the core block by adopting a dry grinding mode;
the air inlet of the grinding slag collecting device is connected with the air outlet of the grinding device through an air pipe and is used for collecting the grinding slag generated by the grinding device; and the number of the first and second groups,
and the gas circulating device is respectively connected with the air outlet of the grinding slag collecting device and the air inlet of the grinding device through gas pipes and used for driving gas to flow along the path of the air inlet of the grinding slag collecting device and the path of the air outlet of the grinding slag collecting device.
Optionally, the grinding device comprises: a grinder glove box and a centerless grinder; the centerless grinder is arranged in the grinder glove box.
Optionally, the grinding device further comprises: partially enclosing; the local enclosure is arranged in the grinding machine glove box, and the centerless grinding machine is arranged in the local enclosure.
Optionally, the mill slag collecting device comprises: the device comprises a cyclone separator, a plurality of filter cylinders, a filter cylinder replacement glove box, a material cup and a grinding slag collection glove box;
the top of the cyclone separator is provided with an opening, the side surface of the cyclone separator is provided with an air inlet, and the bottom of the cyclone separator is provided with a slag discharge port;
the plurality of filter cartridges are disposed at an intermediate location within the cyclone separator;
the filter cartridge replacing glove box is arranged at the top of the cyclone separator and is communicated with an opening at the top of the cyclone separator, and an air outlet is formed in the side surface of the filter cartridge replacing glove box;
the grinding slag collecting glove box is arranged at the bottom of the cyclone separator;
the material cup is arranged inside the grinding slag collecting glove box and is connected with a slag discharging port at the bottom of the cyclone separator.
Optionally, a discharge valve is further arranged at the slag discharge opening at the bottom of the cyclone separator.
Optionally, the mill slag collecting device further comprises: a back flushing device; the back blowing device is arranged above the filter cylinder and used for jetting high-frequency and high-pressure airflow to the filter cylinder when the filter cylinder needs to be cleaned so as to blow off grinding slag adsorbed on the filter cylinder.
Optionally, the blowback device includes: the device comprises an air storage tank, a plurality of connecting pipes, a plurality of valves and a plurality of nozzles; each connecting pipe corresponds to one valve and one nozzle;
the gas storage tank is arranged above the filter cartridge replacing glove box;
one end of each connecting pipe is connected with the gas storage tank, and the other end of each connecting pipe extends into the filter cartridge replacing glove box from top to bottom;
the valves are respectively arranged on the corresponding connecting pipes;
the plurality of nozzles are positioned inside the filter cartridge replacement glove box and are respectively connected with the other ends of the corresponding connecting pipes so as to inject the high-frequency and high-pressure air stored in the air storage tank to the filter cartridge.
Optionally, the gas circulation device comprises: a blower and a blower glove box; the fan is arranged on the air pipe between the air outlet of the grinding slag collecting device and the air inlet of the grinding device and is positioned in the fan glove box.
Optionally, the pellet dry-milling slag collecting device further comprises: and the filtering device is arranged on the air pipe between the air outlet of the grinding slag collecting device and the gas circulating device.
Optionally, a standby air pipe is further arranged between the air outlet of the grinding slag collecting device and the gas circulating device.
Has the advantages that:
the pellet dry grinding slag collecting device collects grinding slag generated by dry grinding of the grinding device through the grinding slag collecting device, and provides power for gas circulation flow of the whole equipment through the gas circulation device, so that gas circulation from the grinding device to the grinding slag collecting device and back to the grinding device is realized, grinding slag continuously produced by the grinding device is fully collected, and meanwhile, the grinding slag and dust in the grinding process are prevented from flying, so that the environment is prevented from being polluted.
Drawings
FIG. 1 is a front view of a pellet dry grinding slag collection device provided in an embodiment of the present invention;
fig. 2 is a cross-sectional view of fig. 1.
In the figure: i-a grinding device; II, a grinding slag collecting device; III-gas circulation means; 1-centerless grinding machine; 2-partial enclosing; 3-grinding machine glove box; 4-trachea; 5-a cyclone separator; 6-a filter cartridge; 7-a discharge valve; 8-material cup; 9-grinding slag collecting glove box; 10-trachea; 11-a high efficiency filter; 12-a fan; 13-blower glove box; 14-trachea; 15-trachea; 16-a nozzle; 17-a valve; 18-a gas storage tank; 19-cartridge change glove box; and 20-bag sealing.
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 the problems that the grinding slag and dust fly upwards in the dry grinding process of the core block and are not beneficial to grinding slag collection, the embodiment of the invention provides a core block dry grinding and grinding slag collecting device which is mainly used for the dry grinding of the excircle of the radioactive core block and the grinding slag collection during grinding.
As shown in fig. 1 and 2, the pellet dry grinding and slag collecting device includes: grinding device I, grinding slag collection device II and gas circulation device III.
The grinding device I is used for grinding the core blocks by adopting a dry grinding mode, is a generation area of grinding slag and is provided with a gas circulation interface, namely an air inlet and an air outlet. The grinding slag collecting device II is also provided with a gas circulation interface, namely an air inlet and an air outlet, and the air inlet of the grinding slag collecting device II is connected with the air outlet of the grinding device I through an air pipe 4 and used for collecting the grinding slag generated by the grinding device I. The gas circulating device III is connected with an air outlet of the grinding slag collecting device II through the gas pipe 10, is connected with an air inlet of the grinding device I through the gas pipe 14, and is used for driving gas to circularly flow along a path from the air outlet of the grinding device I to the air inlet of the grinding slag collecting device II and from the air outlet of the grinding slag collecting device II to the air inlet of the grinding device I, namely providing power for the circular flow of the gas.
In this embodiment, the grinding slag generated by the dry grinding of the grinding device is collected by the grinding slag collecting device, and power is provided for the gas circulation flow of the whole equipment by the gas circulation device, so that the gas circulation from the grinding device to the grinding slag collecting device and back to the grinding device is realized, and the grinding slag generated by the continuous production of the grinding device is fully collected, and meanwhile, the grinding slag and dust in the grinding process are prevented from flying, so that the environmental pollution is avoided.
As shown in fig. 2, the grinding apparatus I includes: a grinder glove box 3 and a centerless grinder 1. The centerless grinder 1 is disposed in a grinder glove box 3.
The centerless grinding machine is a grinding machine which does not need to adopt the axis positioning of a workpiece for grinding and mainly comprises a grinding wheel, an adjusting wheel and a workpiece support, wherein the grinding wheel actually plays a role in grinding, the adjusting wheel controls the rotation of the workpiece (such as a core block) and controls the feed speed of the workpiece, and the workpiece support supports the workpiece during grinding.
Because the centerless grinding machine 1 is arranged in the grinding machine glove box 3, the grinding slag generated during grinding can be prevented from leaking into the environment and influencing the environment.
As shown in fig. 2, the grinding apparatus I further includes: a partial enclosure 2, which is located in the grinding zone within the grinding device I. The partial enclosure 2 is provided in the grinder glove box 3, and the centerless grinder 1 is provided in the partial enclosure 2 to confine the grinding sludge generated by the centerless grinder 1 to a small area through the partial enclosure 2.
The upper part of the local enclosure 2 is provided with an air inlet (namely the air inlet of the grinding device I) which is connected with the air pipe 14, and the lower part of the local enclosure 2 is provided with an air outlet (namely the air outlet of the grinding device I) which is connected with the air pipe 4, so that the air circulation is realized under the driving of the air circulation flow provided by the air circulation device III, and the grinding slag is taken away from the grinding area through the air circulation.
Because the grinding area in the grinding device I is provided with the local enclosure 2, the grinding area is relatively closed, and the collection of grinding slag is facilitated. And the grinding slag generated by the grinding device I is driven by the gas circulation flow provided by the gas circulation device III to be carried to the grinding slag collecting device II through the large air volume between the air inlet and the air outlet on the grinding device I.
As shown in fig. 2, the mill slag collecting device II includes: a cyclone separator 5, a plurality of cartridges 6, a cartridge replacement glove box 19, a material cup 8, and a sludge collection glove box 9.
Wherein, the top of the cyclone separator 5 is open, the side surface is provided with an air inlet (namely the air inlet of the grinding slag collecting device II) which is connected with the air pipe 4, and the bottom is provided with a slag discharge port; in order to facilitate the collection of the grinding slag, the lower part of the cyclone separator 5 adopts a cone-shaped funnel structure.
The filter cartridges 6 are arranged in the cyclone separator 5 at the middle position, and the structure is compact and reasonable. In the present embodiment, as shown in fig. 2, the filter cartridges 6 are provided in two sets, each set may comprise a plurality of filter cartridges, although the present invention is not limited thereto, and it is within the scope of the present invention to provide a greater or lesser number of filter cartridges in the cyclone separator.
The filter cartridge replacing glove box 19 is arranged at the top of the cyclone separator 5 and is communicated with an opening at the top of the cyclone separator, an air outlet (namely an air outlet of the ground slag collecting device II) is formed in one side surface of the filter cartridge replacing glove box 19, a bag seal 20 is formed in the other side surface of the filter cartridge replacing glove box 19, the two side surfaces can be arranged oppositely, the filter cartridge 6 can be upwards drawn out of the cyclone separator 5 when necessary, and the filter cartridge 6 can be taken out through the bag seal 20 on the side surface of the filter cartridge replacing glove box 19, so that the replacing and overhauling requirements of the filter cartridge 6 are met.
The grinding slag collecting glove box 9 is arranged at the bottom of the cyclone separator 5. The material cup 8 is arranged inside the grinding residue collecting glove box 9 and is connected with a residue discharge port at the bottom of the cyclone separator 5.
In this embodiment, a mixture of the grinding slag and the gas generated by the centerless grinding machine 1 enters the cyclone separator 5 through the gas pipe 4, rotates and descends in the cyclone separator 5, and is filtered by the filter cartridge 6, and the generated grinding slag enters the material cup 8 to be collected.
The grinding slag collecting device II is used as main grinding slag collecting equipment, cyclone separation and filter cylinder two-stage filtration are arranged, grinding slag generated by the grinding device is fully recovered, and the grinding slag collecting efficiency is maximized. Because the cyclone separator and the filter cylinder belong to the existing mature equipment, the structure of the cyclone separator and the filter cylinder is not described in detail.
As shown in fig. 2, a discharge valve 7 is further arranged at the slag discharge opening at the bottom of the cyclone separator 5.
The discharge time period of the cyclone separator 5 can be controlled through the discharge valve 7, namely, the grinding slag can be collected in the material cup 8 when the discharge valve 7 is opened, and the cyclone separator 5 and the filter cartridge 6 can be isolated from other areas when the discharge valve 7 is closed.
Grind sediment collection device II still includes: a back flushing device. The back-blowing device is arranged above the filter cartridge 6 and is used for spraying high-frequency high-pressure airflow (also called high-frequency pulse airflow) to the filter cartridge 6 when the filter cartridge 6 needs to be cleaned so as to blow off the grinding slag adsorbed on the filter cartridge 6. The frequency and pressure of the jet of the blow-back device can be set by those skilled in the art according to the actual situation.
Set up the blowback device for straining a section of thick bamboo 6, and the blowback device carries out the blowback through high frequency high-pressure air current to straining a section of thick bamboo, can clear up the section of thick bamboo of blockking up, can also collect the mill sediment that blows off through material cup 8 to further realize the high-efficient of grinding the sediment and retrieve.
As shown in fig. 2, the blowback apparatus includes: an air storage tank 18, a plurality of connecting pipes (not shown), a plurality of valves 17 and a plurality of nozzles 16. Each connecting pipe corresponds to one valve 17 and one nozzle 16, in other words, each nozzle 16 is connected to the air reservoir 18 through the corresponding valve 17.
In this case, the air tank 18 is disposed above the cartridge replacement glove box 19. One end of each of the plurality of connection pipes is connected to the gas tank 18, and the other end thereof extends from the top to the inside of the cartridge replacement glove box 19. The valves 17 are respectively arranged on the corresponding connecting pipes. A plurality of nozzles 16 are provided inside the cartridge-replacing glove box 19 and are connected to the other ends of the respective connection pipes to inject the high-frequency and high-pressure air stored in the air tank 18 toward the cartridges 6.
When the filter cartridge 6 needs to be blown back, high-frequency high-pressure airflow is sprayed to the filter cartridge 6 through the nozzle 16, and the grinding slag attached to the filter cartridge 6 is blown off.
Therefore, the grinding slag collecting device II has the functions of cyclone separation, filter cylinder collection, gas back flushing, grinding slag recovery and the like.
As shown in fig. 2, the gas circulation device III includes: a blower 12 and a blower glove box 13. The fan 12 is arranged at the intersection of the air pipes 10 and 14 between the air outlet of the grinding slag collecting device II and the air inlet of the grinding device I and is positioned in the fan glove box 13.
The air in the whole system flows circularly through the fan 12, and most of the grinding slag can be taken to the grinding slag collecting device II for collection. Moreover, since the blower 12 is disposed inside the blower glove box 13, the radioactive aerosol can be prevented from leaking outside.
The pellet dry grinding and grinding slag collecting device further comprises: and the filtering device is arranged on the air pipe 10 between the air outlet of the grinding slag collecting device II and the gas circulating device III.
In this embodiment, the filtering device is a high efficiency filter 11, and the gas filtered by the high efficiency filter 11 returns to the grinding device I through a gas pipe 14. The high efficiency filter is a conventional device, and the specific selection can be determined by a person skilled in the art according to actual conditions.
As shown in fig. 2, a standby air pipe, namely an air pipe 15, is further arranged between the air outlet of the slag collecting device II and the air circulating device III.
It can be seen that two air pipes, namely an air pipe 15 and an air pipe 10, are arranged between the air outlet of the grinding slag collecting device II and the gas circulating device III, wherein the air pipe 10 is provided with a high-efficiency filter 11 which is a common air pipe, and the air pipe 15 is a standby air pipe. Of course, valves (not shown) are provided on both the air tube 15 and the air tube 10.
The working principle of the pellet dry grinding and ground slag collecting device of the embodiment is described in detail with reference to fig. 2 as follows:
under normal operating conditions, centerless grinder 1 produces the abrasive slag, under the protection of local enclosure 2, the abrasive slag passes through trachea 4 along with the air current and gets into cyclone 5 in, the large granule abrasive slag falls into the bottom along cyclone 5 conch wall, the small granule abrasive slag gets into and is strained 6 and adsorb by the filter core in, the gas that footpath cyclone 5 and strain 6 filtered gets into fan 12 through trachea 10 and high efficiency filter 11 in, after being pressurized by fan 12, returns to local enclosure 2 in through trachea 14, forms the air current circulation so far.
When the filter cartridge 6 adsorbs a certain amount of grinding slag particles, the nozzle 16 above the filter cartridge downwards sprays high-pressure high-frequency airflow to blow off the grinding slag attached to the filter element, and the grinding slag is collected into the material cup 8 through the discharge valve 7. When the cartridge 6 needs to be replaced, it is replaced by a cartridge replacement glove box 19 and a bag closure 20. When the high-efficiency filter 11 needs to replace the filter element, the air flow is switched from the air pipe 10 to the air pipe 15, the filter element is replaced, and after the filter element is switched, the air flow is switched from the air pipe 15 back to the air pipe 10.
In conclusion, the pellet dry grinding and grinding slag collecting device provided by the invention carries out dry grinding on the excircle of the pellet by the centerless grinder, collects grinding slag continuously generated by the centerless grinder, particularly realizes maximization of grinding slag collecting efficiency by multistage filtration (a cyclone separator and a filter cylinder), and further realizes efficient utilization of the pellet material; and a back-blowing device is arranged for the filter cylinder, so that the high-efficiency recovery of the grinding slag can be further realized. All key parts of the whole set of equipment are respectively sealed in a glove box (a grinding machine glove box, a grinding slag collecting glove box, a filter cartridge replacing glove box and a fan glove box), and radioactive aerosol can be prevented from leaking. Moreover, the whole set of equipment adopts a modular design, and is beneficial to the maintenance and overhaul of the device.
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 (10)
1. The utility model provides a core block dry grinding and mill sediment collection device which characterized in that includes:
the grinding device is used for grinding the core block by adopting a dry grinding mode;
the air inlet of the grinding slag collecting device is connected with the air outlet of the grinding device through an air pipe and is used for collecting the grinding slag generated by the grinding device; and the number of the first and second groups,
and the gas circulating device is respectively connected with the air outlet of the grinding slag collecting device and the air inlet of the grinding device through gas pipes and used for driving gas to flow along the path of the air inlet of the grinding slag collecting device and the path of the air outlet of the grinding slag collecting device.
2. The pellet dry milling and grit collection device of claim 1, wherein said milling device comprises: a grinder glove box and a centerless grinder; the centerless grinder is arranged in the grinder glove box.
3. The pellet dry milling and grit collection device of claim 2, wherein said milling device further comprises: partially enclosing; the local enclosure is arranged in the grinding machine glove box, and the centerless grinding machine is arranged in the local enclosure.
4. The pellet dry milling and grit collection device of claim 1, wherein said grit collection device comprises: the device comprises a cyclone separator, a plurality of filter cylinders, a filter cylinder replacement glove box, a material cup and a grinding slag collection glove box;
the top of the cyclone separator is provided with an opening, the side surface of the cyclone separator is provided with an air inlet, and the bottom of the cyclone separator is provided with a slag discharge port;
the plurality of filter cartridges are disposed at an intermediate location within the cyclone separator;
the filter cartridge replacing glove box is arranged at the top of the cyclone separator and is communicated with an opening at the top of the cyclone separator, and an air outlet is formed in the side surface of the filter cartridge replacing glove box;
the grinding slag collecting glove box is arranged at the bottom of the cyclone separator;
the material cup is arranged inside the grinding slag collecting glove box and is connected with a slag discharging port at the bottom of the cyclone separator.
5. The pellet dry grinding and grit collection device of claim 4 wherein a discharge valve is further provided at the bottom discharge opening of said cyclone.
6. The pellet dry milling and grit collection device of claim 4, further comprising: a back flushing device; the back blowing device is arranged above the filter cylinder and used for jetting high-frequency and high-pressure airflow to the filter cylinder when the filter cylinder needs to be cleaned so as to blow off grinding slag adsorbed on the filter cylinder.
7. The pellet dry milling and grit collection device of claim 6, wherein said blowback means comprises: the device comprises an air storage tank, a plurality of connecting pipes, a plurality of valves and a plurality of nozzles; each connecting pipe corresponds to one valve and one nozzle;
the gas storage tank is arranged above the filter cartridge replacing glove box;
one end of each connecting pipe is connected with the gas storage tank, and the other end of each connecting pipe extends into the filter cartridge replacing glove box from top to bottom;
the valves are respectively arranged on the corresponding connecting pipes;
the plurality of nozzles are positioned inside the filter cartridge replacement glove box and are respectively connected with the other ends of the corresponding connecting pipes so as to inject the high-frequency and high-pressure air stored in the air storage tank to the filter cartridge.
8. The pellet dry milling and grit collection device of claim 1, wherein said gas circulation means comprises: a blower and a blower glove box; the fan is arranged on the air pipe between the air outlet of the grinding slag collecting device and the air inlet of the grinding device and is positioned in the fan glove box.
9. The pellet dry milling and grit collection device of claim 1, further comprising: and the filtering device is arranged on the air pipe between the air outlet of the grinding slag collecting device and the gas circulating device.
10. Pellet dry grinding and grit collection device according to claim 9, wherein a backup air pipe is further provided between the grit collection device air outlet and the air circulation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053233.3A CN111251091A (en) | 2020-01-17 | 2020-01-17 | Core block dry grinding and grinding slag collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053233.3A CN111251091A (en) | 2020-01-17 | 2020-01-17 | Core block dry grinding and grinding slag collecting device |
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| CN111251091A true CN111251091A (en) | 2020-06-09 |
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| CN202010053233.3A Pending CN111251091A (en) | 2020-01-17 | 2020-01-17 | Core block dry grinding and grinding slag collecting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113618560A (en) * | 2021-07-28 | 2021-11-09 | 中国核电工程有限公司 | Core block dry grinding device and system |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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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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