CN115254811B - High-temperature gas cooled reactor loop pipeline radioactive loose pollutant cleaning and dust collecting device - Google Patents
High-temperature gas cooled reactor loop pipeline radioactive loose pollutant cleaning and dust collecting device Download PDFInfo
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- CN115254811B CN115254811B CN202210395161.XA CN202210395161A CN115254811B CN 115254811 B CN115254811 B CN 115254811B CN 202210395161 A CN202210395161 A CN 202210395161A CN 115254811 B CN115254811 B CN 115254811B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
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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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
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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
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/035—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing by suction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a radioactive loose pollutant cleaning and dust collecting device for a high-temperature gas cooled reactor loop pipeline, which belongs to the technical field of radioactive waste collection, and comprises a functional pipeline, a dust collecting host and a movable trolley, wherein the functional pipeline integrates rotary cleaning and dust collecting pipeline into a whole, and loose pollutants such as radioactive graphite dust in the loop pipeline are transferred into the dust collecting host through flexible shaft hairbrush cleaning and corrugated pipe dust collection; the dust collection host comprises an airflow guide pipe, a primary filter bag with primary filtering and closed collecting functions, a nuclear-grade high-efficiency filter for guaranteeing emission standards, and a direct-current brushless fan with exquisite structure and stable power, the whole structure adopts a sinking integrated airflow structure, the air path is smooth, the dust collection process is completed once, unnecessary steps such as shutdown back blowing or vibration are not needed, and the dust collection host is integrated on a movable functional cart and has strong accessibility.
Description
Technical Field
The invention belongs to the technical field of radioactive waste collection, and particularly relates to a cleaning and dust collection device for radioactive loose pollutants in a high-temperature gas cooled reactor loop pipeline.
Background
The high-temperature gas cooled reactor has higher inherent safety characteristics and is one of the internationally accepted fourth-generation reactor types. According to the stack type gas-liquid separator, graphite is used as a structural material, helium is used as a coolant, and in the operation process, due to friction between spherical fuels and friction between fuels and graphite components, graphite dust is inevitably carried by the helium in a first loop in the flowing process, and deposited on the inner surface of a first loop pipeline, so that migration of radioactive substances is aggravated, and great influence is brought to equipment maintenance and safety. Meanwhile, as the high-temperature gas cooled reactor runs in service, the pipeline is difficult to disassemble and chemical is strictly forbidden to enter, and only physical decontamination can be adopted.
In the prior art, CN212168458U (graphite dust recovery device) discloses a graphite dust recovery device, and the device collects graphite dust floating in air under the action of a fan, and is electrified through an electromagnetic plate to obtain magnetism, adsorb magnetic metal substances, and complete the filtration and purification of the graphite dust and improve the purity. The device is designed and applied to the collection and filtration of the aerosol of the diffuse graphite dust in the air in the production process of graphite factories. The working environment and the equipment structure of the device cannot be directly migrated and applied to collecting and cleaning radioactive graphite dust in a high-temperature gas cooled reactor loop pipeline.
CN203330072U, "apparatus for removing graphite from inner surface of seamless tube" refers to an apparatus for removing graphite from inner surface of seamless tube, comprising a rotary driving device for supporting the seamless tube and rotating the seamless tube circumferentially, and a cleaning device for removing graphite from the interior of seamless tube. The device is designed to use a field Jing Shouxian that requires support and rotation of individual pipes and collection of cleaning by water washing. The working principle and the mode of the device are not suitable for collecting and cleaning the active graphite dust in service of the high-temperature gas cooled reactor loop pipeline.
CN207366286U "a radioactive graphite dust sampler used in high temperature gas cooled reactor air" relates to a radioactive graphite dust sampler used in high temperature gas cooled reactor air. The device can only sample the radioactive graphite dust in the working environment air of the high-temperature gas cooled reactor, but the collection amount is small, the device has no cleaning and purifying function, and the collection and cleaning of the radioactive graphite dust in the high-temperature gas cooled reactor loop pipeline can not be satisfied.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide the cleaning and dust collection device for the radioactive loose pollutants in the high-temperature gas cooled reactor loop pipeline, and the device can solve the special safety problem of the high-temperature gas cooled reactor type caused by the special fuel material characteristics.
In order to achieve the above purpose, the invention adopts a technical scheme that:
the utility model provides a radioactive loose pollutant cleaning dust extraction of high temperature gas cooled reactor return circuit pipeline, includes functional pipeline and dust absorption host computer, wherein:
the functional pipeline sequentially comprises a cleaning brush, a flexible shaft core connected with the cleaning brush, a guide tube wrapped outside the flexible shaft core and used for fixedly supporting a flexible shaft, a dust collection corrugated tube sleeved outside the flexible shaft guide tube and a quick-mounting plug connected with the tail end of the dust collection corrugated tube from the front end to the tail end;
the functional pipeline is quickly connected with a quick-mounting socket of the upper cover of the dust collection host through the quick-mounting plug; the quick-assembly socket is fixedly connected with the horizontal air inlet end of the airflow guiding three-way pipe, a transmission rotating shaft and a rotary sealing bearing are sequentially arranged in the airflow guiding three-way pipe, the quick-assembly socket is connected with a rotating shaft motor through a universal coupling, and the rotating shaft motor provides rotary power to drive the cleaning hairbrush to rotate at a high speed for cleaning;
the inclined outlet end of the airflow guiding three-way pipe is connected with the primary inner filter bag, and the dust-containing polluted airflow is hermetically guided to the primary inner filter bag; an efficient sealed cabin body is arranged below the primary inner filter bag, a nuclear-grade efficient filter is arranged in the efficient sealed cabin body, and the tail gas terminal is ensured to meet the emission standard; a plurality of direct current brushless fans are arranged below the high-efficiency sealed cabin body and provide negative pressure power required by dust collection.
Further, the radioactive loose pollutant cleaning and dust collecting device for the high-temperature gas cooled reactor loop pipeline is characterized in that the primary filter bag is an organ type primary filter bag, the filter core structure is a fold type, and the primary filter and the closed collection dual functions are realized through the organ type primary filter bag.
Further, the radioactive loose pollutant cleaning and dust collecting device for the high-temperature gas cooled reactor loop pipeline adopts a nuclear industry safe bag-in-bag replacement mode for the primary inner filter bag.
Further, according to the cleaning and dust collection device for radioactive loose pollutants in the high-temperature gas cooled reactor loop pipeline, the nuclear-grade high-efficiency filter is tightly pressed and sealed with the high-efficiency sealed cabin body through the modified cam mechanism.
Further, the radioactive loose pollutant cleaning and dust collecting device for the high-temperature gas cooled reactor loop pipeline further comprises a cylinder outer cabin door, a butterfly nut, an inner cabin door and a high-efficiency filtering cabin door knife edge.
Further, the radioactive loose pollutant cleaning and dust collecting device for the high-temperature gas cooled reactor loop pipeline adopts a bag-in-bag replacement mode of nuclear industry safety.
Further, the radioactive loose pollutant cleaning and dust collection device for the high-temperature gas cooled reactor loop pipeline comprises the main dust collection machine upper cover, wherein the main dust collection machine upper cover comprises a main power supply switch, a rotating shaft motor speed regulation knob, a plurality of independently controlled direct current brushless fan switches and a scram switch, the switches are independently controlled, and the switches are pressed for self-locking and display by an indicator lamp; the dust collection host upper cover further comprises a differential pressure meter for monitoring the internal differential pressure of the device and judging the working state.
Furthermore, the radioactive loose pollutant cleaning and dust collecting device for the high-temperature gas cooled reactor loop pipeline is characterized in that the upper cover of the dust collecting main machine is tightly sealed through the rubber sealing gasket and the clamping and locking mechanism, and the upper cover of the main machine is matched with a hinge and a pneumatic hydraulic support rod to assist in opening and closing the upper cover of the main machine.
Further, as described above, the cleaning and dust-collecting device for radioactive loose pollutants in the high-temperature gas cooled reactor loop pipeline is characterized in that a wire mesh partition plate is arranged between the primary inner filter bag and the high-efficiency sealed cabin body, so that stable passage of air flow is ensured, and the functional partition in the dust-collecting main machine is realized.
Further, the radioactive loose pollutant cleaning and dust collecting device for the high-temperature gas cooled reactor loop pipeline is characterized in that the direct-current brushless fan is fixedly connected with the fan mounting plate through the fan fixing plate.
Further, the radioactive loose pollutant cleaning and dust collecting device for the high-temperature gas cooled reactor loop pipeline is characterized in that a damping sealing ring is arranged at the air inlet of the direct-current brushless fan, and a damping sealing pad is arranged at the tail end of the direct-current brushless fan.
Further, the radioactive loose pollutant cleaning and dust collecting device for the high-temperature gas cooled reactor loop pipeline is characterized in that a movable trolley is arranged below the dust collecting main machine, and the movable trolley comprises a hand push rod, a trolley upper plate, a trolley lower plate and weighing casters; and a tool cabin is formed between the upper plate of the trolley and the lower plate of the trolley and is used for storing common spare parts and wearing parts.
Compared with the prior art, the cleaning and dust collection device for radioactive loose pollutants in the high-temperature gas cooled reactor loop pipeline has the following remarkable technical effects:
1) The device is provided with a functional pipeline, is provided with a flexible shaft cleaning brush for rotary cleaning, and the dust collection pipeline is used for dust collection and transportation, and has the dual functions of rotary cleaning and dust collection in the pipeline;
2) The dust collection main machine of the device adopts a sinking integrated airflow structural design, dust-containing polluted airflow passes through a dust collection pipeline, an airflow guide pipe, a primary filter bag and a high-efficiency filter at one time, is discharged through a fan bypass after being filtered and purified, and has smooth air passage, convenient operation and no redundant operations such as back blowing or vibration of a shutdown air passage of the traditional industrial dust collection equipment;
3) The primary filtering system of the device adopts an organ type internal filtering self-dust collecting bag design, and the organ type pleated filter element has small volume and large filtering area; and the graphite dust is ultrafine and easy to fly in the loop pipeline, and the device has radioactive pollution characteristics, and an internal filtering mode is adopted to ensure that the graphite dust does not escape and prevent the pollution inside the device. The filter bag integrates primary filtering and closed collecting functions, and considers the safety replacement and treatment problems of a nuclear industry system;
4) The device terminal purification adopts a nuclear-grade high-efficiency filter to ensure the emission standard, and the high-efficiency filter cabin adopts a double-door structure, thereby having the reliability of straight face sealing and the aesthetic property of the device main body; the cam mechanism is adopted to compress and seal the high-efficiency filter, so that the filter is stable and reliable; meanwhile, the problems of safe replacement, waste treatment and emission and the like of a nuclear industry system are considered to be satisfied;
5) The device adopts the direct current brushless fan to provide negative pressure power required by dust collection, and compared with the traditional industrial air pump, the device has the advantages of exquisite structure, shape reduction and weight reduction; the direct-current brushless fans are arranged in parallel and independently controlled, so that the multistage controllable adjustment of the air quantity can be realized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a device for cleaning and dust collection of radioactive loose pollutants in a high-temperature gas cooled reactor loop pipeline, which is provided in an embodiment of the invention;
FIG. 2 is an enlarged view of an isometric view and details of the functional circuit of FIG. 1;
FIG. 3 is a side view of the functional conduit of FIG. 1;
FIG. 4 is a side cross-sectional view of the functional conduit of FIG. 1;
figure 5 is a front elevational view of the suction main unit of figure 1;
figure 6 is a side cross-sectional view of the suction main unit of figure 1;
FIG. 7 is a top view of the cleaning main unit of FIG. 1;
reference numerals: 1-functional pipeline, 2-dust collection host, 3-movable trolley, 4-cleaning brush, 5-flexible shaft core, 6-flexible shaft guide tube, 7-corrugated tube, 8-fast-assembling plug, 9-fast-assembling socket, 10-air flow guide three-way pipe, 11-transmission rotating shaft, 12-rotary sealing bearing, 13-universal coupling, 14-rotating shaft motor, 15-stainless steel fast-assembling clamp, 16-primary inner filter bag, 17-wire mesh partition plate, 18-high-efficiency sealed cabin, 19-nuclear high-efficiency filter, 20-cam mechanism, 21-direct current brushless fan, 22-fan fixing plate, 23-fan mounting plate, 24-hand push rod the device comprises a 25-trolley upper plate, a 26-trolley lower plate, 27-universal wheels, 28-tool cabins, 29-differential pressure gauges, a 30-power main switch, a 31-rotating shaft motor switch, a 32-rotating shaft motor speed regulation knob, 33-35-direct current brushless fan switches, 36-emergency stop switches, 37-rubber gaskets, 38-buckle clamping and locking mechanisms, 39-hinge hinges, 40-pneumatic hydraulic support rods, 41-cylinder outer cabin doors, 42-butterfly nuts, 43-inner cabin doors, 44-efficient filter cabin door knife edges, 45-shock absorption sealing rings, 46-shock absorption sealing gaskets, 48-antistatic chains, 49-flexible shaft air inlet holes and 50-functional pipeline airflow channels.
Detailed Description
The invention will be further described with reference to specific examples and figures of the specification.
Aiming at the special safety problem and the actual decontamination requirement of the high-temperature gas cooled reactor, the invention fully considers the characteristic and the difficulty of decontamination of radioactive pollutants in the in-service loop pipeline, and provides the device for cleaning and dust-absorbing radioactive loose pollutants in the high-temperature gas cooled reactor loop pipeline.
Referring to fig. 1 to 7, a cleaning and dust collection device for radioactive loose pollutants in a high-temperature gas cooled reactor loop pipeline provided by the embodiment of the invention comprises a functional pipeline 1 and a dust collection host 2, wherein:
the functional pipeline 1 sequentially comprises a cleaning brush 4, a flexible shaft core 5 connected with the cleaning brush 4, a flexible shaft guide tube 6 wrapped outside the flexible shaft core 5 and used for fixedly supporting a flexible shaft, a dust collection corrugated tube 7 sleeved outside the flexible shaft guide tube 6 and a quick-mounting plug 8 connected with the tail end of the dust collection corrugated tube 7 from the front end to the tail end. The functional pipeline 1 is in threaded connection with a quick-mounting socket 9 of the upper cover of the dust collection host 2 through a quick-mounting plug 8.
An air flow guiding three-way pipe 10 is arranged in the dust collection main machine 2 near the upper cover, a quick-assembly socket 9 is fixedly connected with a horizontal air inlet end flange of the air flow guiding three-way pipe 10, a transmission rotating shaft 11 and a rotary sealing bearing 12 are sequentially arranged in the air flow guiding three-way pipe 10, and the air flow guiding three-way pipe is connected with a rotating shaft motor 14 through a universal coupling 13. The rotating shaft motor 14 is a direct current brushless servo motor, and can provide rotating power to drive the cleaning brush 4 to rotate at a high speed for cleaning.
The inclined outlet end of the air flow guiding three-way pipe 10 is connected with the primary inner filter bag 16 through a stainless steel fast-assembly clamp 15, and the dust-containing polluted air flow is guided to the primary inner filter bag 16 in a sealing way through the dust collection corrugated pipe 7 and the inclined outlet end of the air flow guiding three-way pipe 10. A silk screen partition plate 17 is arranged below the primary inner filter bag 16, ensures stable air flow and separates a dust collection main machine functional area. And a high-efficiency sealing cabin body 18 is arranged below the wire mesh partition plate 17, and a nuclear-grade high-efficiency filter 19 is arranged in the high-efficiency sealing cabin body 18, so that the tail gas terminal meets the emission standard. The nuclear-grade high-efficiency filter 19 is rapidly pressed and sealed with the high-efficiency sealing cabin 18 through a modified cam mechanism 20. A plurality of direct current brushless fans 21 which are arranged in parallel are arranged below the high-efficiency sealed cabin body 18, and the direct current brushless fans 21 are fixedly connected through studs of a fan fixing plate 22 and a fan mounting plate 23 and are used for providing negative pressure power required by dust collection. The direct-current brushless fan is adopted to provide negative pressure power required by dust collection, so that compared with the traditional industrial air pump, the structure is exquisite, and the shape and weight are reduced; the direct-current brushless fans are arranged in parallel and independently controlled, so that the multistage controllable adjustment of the air quantity can be realized.
In this embodiment, a mobile cart 3 is provided below the dust collection main unit 2, so that the whole device can move conveniently. The movable trolley 3 comprises a hand push rod 24, a trolley upper plate 25, a trolley lower plate 26 and weighing casters 27, an insulating hand push layer 47 is arranged on the hand push rod 24, a tool cabin 28 is formed by limiting the middle of the trolley upper plate 25 and the trolley lower plate 26, and the movable trolley is used for accommodating the whole trolley, enhancing the functionality and storing common parts, wearing parts and the like.
In this embodiment, the primary inner filter bag 16 is an organ type primary inner filter bag. Aiming at the characteristics of ultrafine easy fluttering of loose pollutants such as radioactive graphite dust and the like in the tubes and radioactive pollution, the organ type primary internal filter bag can realize dual functions of primary filtration and closed collection, and the internal filtration mode is adopted to ensure that the graphite dust does not escape and prevent the inside of a pollution device; the filter area can be increased by the design of the organ type primary-effect inner filter bag pleated filter element, and the filter efficiency is improved in a same way.
In this embodiment, a main power switch 30, a rotary shaft motor switch 31, a rotary shaft motor speed regulation knob 32, three independently controlled dc brushless fan switches 33, 34, 35 and a scram switch 36 are mounted on the upper cover of the dust collection main machine 2, all of which are independently controlled, press the self-locking, and the indicator light displays the working state. The upper cover of the dust collection host 2 also comprises a differential pressure meter 29 which is installed in an immersed mode and is used for monitoring the internal differential pressure of the device and judging the working state.
The upper cover of the dust collection main machine 2 is tightly sealed by a rubber sealing gasket 37 and a buckling and locking mechanism 38, and is matched with a hinge 39 and a pneumatic hydraulic support rod 40 to assist the opening and closing state of the upper cover of the dust collection main machine. In this embodiment, the rubber gasket 37 is made of ethylene propylene diene monomer rubber.
In this embodiment, the organ type primary effect inner filter bag adopts a bag-in-bag replacement mode of nuclear industry safety, and the specific replacement operation flow is as follows: the snap-lock mechanism 38 is opened, the upper cover of the main machine is opened, the filter bag is lifted along with the opening of the upper cover in the organ type primary effect, the outer sleeve of the filter bag is replaced with a belt and is bound with a mouth, the stainless steel quick-assembly clamp 15 is unscrewed, the old organ type primary effect inner filter bag is bound and disassembled, the filter bag is properly stored, the filter bag is treated as radioactive waste, the new organ type primary effect inner filter bag quick connector is butted with the bevel outlet end of the airflow guiding three-way pipe 10, the stainless steel quick-assembly clamp 15 is screwed, the upper cover of the main machine is closed, the organ type primary effect inner filter bag falls into the dust collection main machine along with the lower part of the upper cover of the main machine, and the snap-lock mechanism 38 is locked, so that the whole replacement process is completed.
In this embodiment, the high efficiency sealed capsule 18 further includes an outer capsule door 41, a wing nut 42, an inner capsule door 43, and a high efficiency filtration capsule door knife edge 44.
In this embodiment, the high-efficiency filter 19 is replaced by a nuclear industry safe bag inlet and outlet mode, and the specific replacing operation flow is as follows: opening the outer cabin door 41 of the cylinder, unscrewing the butterfly nut 42, opening the inner cabin door 43, unscrewing the cam mechanism 20, sleeving the replacement bag on the knife edge 44 of the high-efficiency filter cabin door, taking out the high-efficiency filter 19, properly storing the high-efficiency filter 19 for treating radioactive wastes, putting a new high-efficiency filter 19 into the cabin body, screwing the cam mechanism 20, closing the inner cabin door 43, screwing the butterfly nut 42, closing the outer cabin door 41 of the cylinder, and completing all the replacement.
In this embodiment, a damper seal ring 45 is installed at the air inlet of the dc brushless fan 21, and a damper seal 46 is installed at the tail end thereof.
The invention provides a radioactive loose pollutant cleaning and dust collecting device for a high-temperature gas cooled reactor loop pipeline, wherein a functional pipeline integrates rotary cleaning and dust collecting pipelines, and loose pollutants such as radioactive graphite dust in the loop pipeline are transferred into a dust collecting host through flexible shaft hairbrush cleaning and corrugated pipe dust collection; the dust collection host comprises an airflow guide pipe, a primary filter bag with primary filtering and closed collecting functions, a nuclear-grade high-efficiency filter for guaranteeing emission standards, and a direct-current brushless fan with exquisite structure and stable power, the whole structure adopts a sinking integrated airflow structure, the air path is smooth, the dust collection process is completed once, unnecessary steps such as shutdown back blowing or vibration are not needed, and the dust collection host is integrated on a movable functional cart and has strong accessibility.
The above-described embodiments are merely illustrative of the present invention, which may be embodied in other specific forms or with other specific forms without departing from the spirit or essential characteristics thereof. The described embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention should be indicated by the appended claims, and any changes that are equivalent to the intent and scope of the claims are intended to be encompassed within the scope of the invention.
Claims (6)
1. The utility model provides a radioactive loose pollutant cleaning dust extraction of high temperature gas cooled reactor return circuit pipeline, its characterized in that, the device includes functional pipeline (1) and dust absorption host computer (2), wherein:
the functional pipeline (1) sequentially comprises a cleaning brush (4), a flexible shaft core (5) connected with the cleaning brush (4), a guide tube (6) wrapped outside the flexible shaft core (5) and used for fixedly supporting a flexible shaft, a dust collection corrugated tube (7) sleeved outside the flexible shaft guide tube (6) and a quick-mounting plug (8) connected with the tail end of the dust collection corrugated tube (7);
the functional pipeline (1) is quickly connected with a quick-mounting socket (9) of the upper cover of the dust collection host (2) through the quick-mounting plug (8); the quick-assembly socket (9) is fixedly connected with the horizontal air inlet end of the airflow guiding three-way pipe (10), a transmission rotating shaft (11) and a rotary sealing bearing (12) are sequentially arranged in the airflow guiding three-way pipe (10), the quick-assembly socket is connected with a rotating shaft motor (14) through a universal coupling (13), and the rotating shaft motor (14) provides rotary power to drive the cleaning brush (4) to rotate at a high speed for cleaning;
the inclined outlet end of the airflow guiding three-way pipe (10) is connected with the primary inner filter bag (16) to guide dust-containing polluted airflow to the primary inner filter bag (16) in a sealing way; an efficient sealing cabin body (18) is arranged below the primary inner filter bag (16), a nuclear-grade efficient filter (19) is arranged in the efficient sealing cabin body (18), and the tail gas terminal is ensured to meet the emission standard; a plurality of direct current brushless fans (21) are arranged below the high-efficiency sealed cabin body (18) to provide negative pressure power required by dust collection;
the primary filter bag (16) is an organ type primary filter bag, the filter core structure is a fold type, a bag inlet and outlet replacement mode of nuclear industry safety is adopted, and the primary filter bag realizes the dual functions of primary filtration and closed collection;
the nuclear-grade high-efficiency filter (19) adopts a nuclear industry safe bag-in-bag replacement mode, and is rapidly pressed and tightly sealed with the high-efficiency sealed cabin (18) through a modified cam mechanism (20); the high-efficiency sealed cabin body (18) further comprises a barrel outer cabin door (41), a butterfly nut (42), an inner cabin door (43) and a high-efficiency filtering cabin door knife edge (44);
a silk screen partition plate (17) is arranged between the primary inner filter bag (16) and the high-efficiency sealed cabin body (18), so that stable air flow passing is ensured, and internal functional partition of the dust collection main machine (2) is realized.
2. The cleaning and dust collection device for radioactive loose pollutants of a high-temperature gas cooled reactor loop pipeline according to claim 1, wherein an upper cover of the dust collection host (2) comprises a main power switch (30), a rotating shaft motor switch (31), a rotating shaft motor speed regulation knob (32), a plurality of independently controlled direct current brushless fan switches (33-35) and a scram switch (36), and the switches are independently controlled, press self-locking and display by an indicator lamp; the upper cover of the dust collection host (2) also comprises a differential pressure meter (29) which is used for monitoring the internal differential pressure of the device and judging the working state.
3. The cleaning and dust collection device for radioactive loose pollutants in the high-temperature gas cooled reactor loop pipeline according to claim 2, wherein the upper cover of the dust collection host machine (2) is tightly sealed through a rubber sealing gasket (37) and a clamping and locking mechanism (38), and is matched with a hinge (39) and a pneumatic hydraulic support rod (40) to assist the opening and closing state of the upper cover of the host machine.
4. The cleaning and dust collection device for radioactive loose pollutants in a high-temperature gas cooled reactor loop pipeline according to claim 1, wherein the direct-current brushless fan (21) is fixedly connected with the fan mounting plate (23) through a fan fixing plate (22).
5. The cleaning and dust collection device for radioactive loose pollutants of the high-temperature gas cooled reactor loop pipeline according to claim 1, wherein a damping sealing ring (45) is installed at the air inlet of the direct-current brushless fan (21), and a damping sealing gasket (46) is installed at the tail end of the direct-current brushless fan (21).
6. The cleaning and dust collection device for radioactive loose pollutants in a high-temperature gas cooled reactor loop pipeline according to any one of claims 1 or 3-5, wherein a movable trolley (3) is arranged below the dust collection host machine (2), and the movable trolley (3) comprises a hand push rod (24), a trolley upper plate (25), a trolley lower plate (26) and weighing casters (27); and a tool cabin (28) is formed between the upper trolley plate (25) and the lower trolley plate (26) and is used for storing common spare parts and wearing parts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210395161.XA CN115254811B (en) | 2022-04-15 | 2022-04-15 | High-temperature gas cooled reactor loop pipeline radioactive loose pollutant cleaning and dust collecting device |
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| CN202210395161.XA CN115254811B (en) | 2022-04-15 | 2022-04-15 | High-temperature gas cooled reactor loop pipeline radioactive loose pollutant cleaning and dust collecting device |
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| CN115254811B true CN115254811B (en) | 2023-06-16 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3418788A (en) * | 1962-12-28 | 1968-12-31 | Nihon Genshiryoku Kenkyujo | Process for disposing solid radioactive wastes |
| CA1245570A (en) * | 1983-06-28 | 1988-11-29 | Thomas T. Allan | High efficiency particulate air filter and method of fabricating same |
| US5301388A (en) * | 1992-12-04 | 1994-04-12 | Zeren Joseph D | Critically safe vacuum pickup for use in wet or dry cleanup of radioactive materials |
| CN201020466Y (en) * | 2007-01-29 | 2008-02-13 | 北京拂尘龙科技发展有限公司 | Wind tunnel clearing apparatus |
| CN106493131A (en) * | 2016-12-12 | 2017-03-15 | 广东齐创科技投资管理有限公司 | Clean flexible axle, pipe-line purging system and pipe-line purging method |
| CN207980676U (en) * | 2017-12-26 | 2018-10-19 | 新昌县皇骐电子科技有限公司 | A kind of municipal dust-extraction unit convenient for cleaning |
| CN208195149U (en) * | 2018-02-06 | 2018-12-07 | 广东齐创科技投资集团有限公司 | Pipe-line purging part and sweep suction all-in-one machine |
| CN211437313U (en) * | 2019-12-31 | 2020-09-08 | 安徽快通管道清洗科技有限公司 | Air pipe suction and sweeping cleaning integrated machine |
| CN213728332U (en) * | 2020-09-04 | 2021-07-20 | 卓然(靖江)设备制造有限公司 | Horizontal centrifugal pipe die cleaning tool |
| CN214289809U (en) * | 2020-12-25 | 2021-09-28 | 山东福佑德环保工程有限公司 | Flexible shaft cleaning and dedusting all-in-one machine of central air conditioner |
| CN215975769U (en) * | 2021-09-15 | 2022-03-08 | 江苏远山生物技术有限公司 | Microbial fermentation jar air inlet unit |
| CN215996157U (en) * | 2021-06-17 | 2022-03-11 | 武汉动箭科技有限公司 | Portable high temperature and high humidity radioactive pollution gas emergency treatment device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7998259B2 (en) * | 2008-01-17 | 2011-08-16 | Rajagopal Vijayakumar | Combination high efficiency particle and gas filter |
-
2022
- 2022-04-15 CN CN202210395161.XA patent/CN115254811B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3418788A (en) * | 1962-12-28 | 1968-12-31 | Nihon Genshiryoku Kenkyujo | Process for disposing solid radioactive wastes |
| CA1245570A (en) * | 1983-06-28 | 1988-11-29 | Thomas T. Allan | High efficiency particulate air filter and method of fabricating same |
| US5301388A (en) * | 1992-12-04 | 1994-04-12 | Zeren Joseph D | Critically safe vacuum pickup for use in wet or dry cleanup of radioactive materials |
| CN201020466Y (en) * | 2007-01-29 | 2008-02-13 | 北京拂尘龙科技发展有限公司 | Wind tunnel clearing apparatus |
| CN106493131A (en) * | 2016-12-12 | 2017-03-15 | 广东齐创科技投资管理有限公司 | Clean flexible axle, pipe-line purging system and pipe-line purging method |
| CN207980676U (en) * | 2017-12-26 | 2018-10-19 | 新昌县皇骐电子科技有限公司 | A kind of municipal dust-extraction unit convenient for cleaning |
| CN208195149U (en) * | 2018-02-06 | 2018-12-07 | 广东齐创科技投资集团有限公司 | Pipe-line purging part and sweep suction all-in-one machine |
| CN211437313U (en) * | 2019-12-31 | 2020-09-08 | 安徽快通管道清洗科技有限公司 | Air pipe suction and sweeping cleaning integrated machine |
| CN213728332U (en) * | 2020-09-04 | 2021-07-20 | 卓然(靖江)设备制造有限公司 | Horizontal centrifugal pipe die cleaning tool |
| CN214289809U (en) * | 2020-12-25 | 2021-09-28 | 山东福佑德环保工程有限公司 | Flexible shaft cleaning and dedusting all-in-one machine of central air conditioner |
| CN215996157U (en) * | 2021-06-17 | 2022-03-11 | 武汉动箭科技有限公司 | Portable high temperature and high humidity radioactive pollution gas emergency treatment device |
| CN215975769U (en) * | 2021-09-15 | 2022-03-08 | 江苏远山生物技术有限公司 | Microbial fermentation jar air inlet unit |
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| CN115254811A (en) | 2022-11-01 |
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