CN110040370B - Hand-held radioactive pollution decontaminating device - Google Patents
Hand-held radioactive pollution decontaminating device Download PDFInfo
- Publication number
- CN110040370B CN110040370B CN201910420003.3A CN201910420003A CN110040370B CN 110040370 B CN110040370 B CN 110040370B CN 201910420003 A CN201910420003 A CN 201910420003A CN 110040370 B CN110040370 B CN 110040370B
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- Prior art keywords
- bottle body
- injection valve
- pusher
- nozzle
- handle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
- B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
- B65D83/201—Lever-operated actuators
- B65D83/202—Lever-operated actuators combined with a hand grip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
- B65D83/30—Nozzles, nozzle fittings or accessories specially adapted therefor for guiding the flow of spray, e.g. funnels, hoods
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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
Abstract
The invention discloses a hand-held radioactive pollution decontamination device, which comprises a bottle body, wherein an injection valve is arranged at the bottle mouth of the bottle body; a lifting handle connected with the injection valve; a pressing handle hinged with the lifting handle and controlling the injection valve, and opening the injection valve after being pressed; a pressure gauge provided on the injection valve and communicating with the inside of the bottle body; a nozzle provided on the injection valve; the spraying safety ring is inserted on the pressing handle and is blocked to prevent the pressing handle from being pressed downwards. The invention is suitable for various places where large-scale equipment such as indoor space and underground space cannot operate, realizes the rapid control and removal of radioactive pollution, can rapidly and effectively control the diffusion range of the radioactive pollution, protects the life and property safety of people and reduces accident hazard and loss to the minimum.
Description
Technical Field
The invention belongs to the field of nuclear industry radioactive waste treatment, and particularly relates to a handheld radioactive pollution decontamination device.
Background
Nuclear energy is an extremely important energy source of high quality, cleanliness and economy. With the gradual implementation of the national nuclear power strategy, the nuclear energy utilization of China is developed at a high speed, and once nuclear engineering leaks due to operation, natural disasters, human misoperation and the like, such as radioactive waste management facility accidents, nuclear fuel or radioactive waste transportation and storage accidents, radioisotope leakage accidents for scientific research purposes, accidents of weapon libraries and the like, nuclear pollution with different degrees can be generated, and huge harm and loss are caused to public environment and people.
The elimination of radioactive sediments in nuclear accident sites in outdoor open environments belongs to large area pollution elimination. More methods are applied in the emergency treatment process, including soil shoveling, flushing, natural attenuation, dust absorption, stripping film pressing decontamination, and the like. The stripping type film body compression decontamination method is most applied, and mainly uses a large-scale spray vehicle or a hand-push type spray machine to spray compression decontaminating agent into a polluted area in a large area, and the air and radioactive particles on the ground are compressed and fixed on the ground, so that the continuous stripping type film body for embedding the radioactive particles is formed through permeation adsorption and self-reaction of the compression decontaminating agent. Finally, the film body is stripped, curled and transported away from the site, thereby achieving the purpose of cleaning.
For emergency treatment of nuclear pollution emergency in a closed or semi-closed environment, a large-scale spraying device cannot enter the site, and equipment and a method for treating large-area radioactive pollution in an outdoor open environment are not applicable, if the diffusion of the radioactive pollution cannot be timely and effectively controlled, the pollution hazard range can be rapidly enlarged, the later treatment difficulty is increased, and thus great economic loss is caused. At present, the nuclear pollution treatment means aiming at the indoor environment mainly comprises toxin filtering ventilation and sealing isolation, and the methods have defects in the aspects of application range, functions, elimination effect, operation efficiency and the like to different degrees, are not suitable for the requirements of nuclear accident emergency response, and lack treatment means and application equipment capable of rapidly and effectively controlling and eliminating site radioactive pollution. Therefore, the handheld radioactive pollution decontamination device and method are provided, and the emergency handling and guaranteeing capacity of the nuclear leakage emergency is improved, so that the handheld radioactive pollution decontamination device and method are basic requirements of those skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a handheld radioactive contamination decontamination device.
The technical scheme of the invention is as follows:
a hand-held radioactive contamination decontamination apparatus, comprising:
a bottle body, an injection valve is arranged at the bottle mouth of the bottle body,
a lifting handle connected with the injection valve;
a pressing handle hinged with the lifting handle and controlling the injection valve, and opening the injection valve after being pressed;
a pressure gauge provided on the injection valve and communicating with the inside of the bottle body;
a nozzle provided on the injection valve;
the spraying safety ring is inserted on the pressing handle and is blocked to prevent the pressing handle from being pressed downwards.
The nozzle is an atomizing nozzle of a single channel, the atomizing nozzle comprising:
the nozzle inlet is hollow and cylindrical, and a convex ring is formed at one end connected with the injection valve;
the atomizing nozzle flaring is a truncated cone with two open ends and the small diameter end is connected with the nozzle inlet;
the spiral atomizing head is gradually reduced in diameter, and the large-diameter end of the spiral atomizing head is connected with the nozzle inlet and is arranged in the flaring cavity of the atomizing nozzle.
The nozzle is a dual-channel mixing nozzle, the mixing nozzle comprising:
a nozzle cannula;
one end of the mixing cavity is communicated with the two nozzle cannulas, and a plurality of mixing blades which are spirally arranged are arranged in the mixing cavity;
the flaring of the mixing nozzle is formed by a truncated cone with two open ends, and the small-diameter end of the flaring is connected with the mixing cavity.
The bottle body is a single-component pressing device bottle body, and is a pressure bottle body with a threaded structure formed at the mouth.
The bottle body is a solid-liquid type pressing device bottle body, the bottle body is a pressure bottle body with a threaded structure formed at the mouth part, and a powder pusher is arranged on the side wall of the bottle body.
The powder pusher includes:
the pusher shell is arranged on a threaded port of the side wall of the bottle body through an installation thread formed on the outer wall of one end;
a hot pressing diaphragm which is bonded with the pusher shell at a hot pressing sealing port in a hot pressing way;
the pushing piston is arranged inside the pusher shell and can slide;
the sealing ring is arranged between the inner wall of the pusher shell and the outer wall of the pushing piston;
solid component powder which is filled in the pusher housing and is arranged between the hot pressing diaphragm and the pushing piston;
the screw push rod is in threaded connection with the pusher shell, and the front end of the screw push rod can extend into the pusher shell;
a rotating handle arranged at the tail end of the spiral pushing rod;
and the pushing safety ring is inserted in the middle of the spiral pushing rod.
The bottle is mixed liquid type pressing machine bottle, mixed liquid type pressing machine bottle includes two independent pressure bottle that the oral area formed the helicitic texture, and two bottles pass through the liquid guide connector and connect, still are provided with supplementary solid fixed ring and assist handle between two bottles.
The liquid guide connector is internally provided with an independent channel and an independent injection valve, the injection valve is communicated with an independent mixing nozzle seat, the mixing nozzle seat is in a quick-connection joint form, and a mixing nozzle is connected to the mixing nozzle seat in a plug-in mode.
The liquid guide pipe is arranged below the injection valve and extends to the bottom of the bottle body.
And a stirring ball is arranged in the bottle body.
The beneficial effects of the invention are as follows:
the invention provides a hand-held radioactive pollution decontamination device which can be applied to various places where large-scale equipment such as indoor space, underground space and the like cannot operate. The decontaminating agent in the radioactive decontamination spraying device has good wetting, adsorbing and embedding effects on radioactive dust particles, realizes the rapid control and removal of radioactive pollution, can rapidly and effectively control the diffusion range of the radioactive pollution, protects the life and property safety of people and reduces accident hazard and loss to the minimum.
Drawings
FIG. 1 is a schematic diagram of a single component hand-held radioactive contamination decontamination apparatus according to example 1 of the present invention;
FIG. 2 is a schematic structural view of the atomizing nozzle in examples 1, 2 of the present invention;
FIG. 3 is a cross-sectional view of a solid-liquid hand-held radioactive contamination decontamination apparatus according to embodiment 2 of the present invention;
FIG. 4 is a schematic view showing the structure of a powder pusher in embodiment 2 of the present invention;
FIG. 5 is a schematic view showing the structure of a two-component radioactive contamination decontamination apparatus according to example 3 of the present invention;
FIG. 6 is a cross-sectional view of a two-component radioactive contamination decontamination apparatus according to example 3 of the present invention;
FIG. 7 is a schematic view showing the structure of a mixing nozzle in embodiment 3 of the present invention;
fig. 8 is a schematic view showing the assembly structure of a mixing blade of a mixing nozzle in embodiment 3 of the present invention.
Wherein:
11. handle for lifting bottle body 12 of single-component pressing device
13. Pressing the handle 14 sprays the safety ring
15. Atomizing nozzle
1501. Nozzle inlet 1502 spiral atomizing head
1503. Flaring of atomizing nozzle
16. Pressure gauge 17 injection valve
21. Screw thread mouth on side wall of bottle 22 of solid-liquid type pressing device
23. Powder pusher
2301. Pusher housing 2302 mounting threads
2303. Hot pressing diaphragm 2304 hot pressing sealing port
2305. Pushing piston 2306 sealing ring
2307. Solid component powder 2308 screw pushrod
2309. Rotating handle 2310 pushes safety ring
24. Liquid component 25 stirring ball
26. Liquid guiding tube
31 A liquid bottle 32B liquid bottle
33. Liquid guide connector 34 mixing nozzle
3401. Nozzle cannula 3402 mixing chamber
3403. Mixing nozzle flaring 3404 mixing blade
35. Auxiliary handle of auxiliary fixing ring 36
37. Component liquid of mixing nozzle holder 38, 38A
39 And B, component liquid.
Detailed Description
The hand-held radioactive contamination decontamination apparatus according to the present invention will be described in detail with reference to the drawings and examples of the specification:
a hand-held radioactive contamination decontamination apparatus, comprising:
the bottle body is provided with an injection valve 17 at the bottle mouth,
a handle 12 connected to the injection valve 17;
a pressing handle 13 hinged to the grip handle 12 and controlling the injection valve 17, and opening the injection valve 17 after being pressed;
a pressure gauge 16 provided on the injection valve 17 and communicating with the inside of the bottle body;
a nozzle provided on the injection valve 17;
a spray safety ring 14 which is inserted on the pressing handle 13 and clamps the pressing handle 13 so as not to be pressed downwards.
The nozzle is a single-channel atomizing nozzle 15, and the atomizing nozzle 15 comprises:
a nozzle inlet 1501 which is hollow cylindrical and has a convex ring formed at one end connected to the injection valve 17;
the atomizing nozzle flaring 1503 is a truncated cone with two open ends and the small diameter end is connected with the nozzle inlet 1501;
the spiral atomizing head 1502 is a gradually reducing spiral, and the large diameter end is connected with the nozzle inlet 1501 and is arranged in the cavity of the atomizing nozzle flaring 1503.
The nozzle is a dual-channel mixing nozzle 34, the mixing nozzle 34 comprising:
a nozzle cannula 3401;
a mixing chamber 3402, one end of which is communicated with two said nozzle cannulas 3401, and inside which a plurality of mixing blades 3404 arranged in a spiral manner are provided;
the mixing nozzle is provided with a flaring 3403 which is a truncated cone with two open ends and a small diameter end connected with the mixing cavity 3402.
The bottle body is a single-component pressing device bottle body 11, and is a pressure bottle body with a threaded structure formed at the mouth.
The bottle body is a solid-liquid type pressing device bottle body 21, which is a pressure bottle body with a threaded structure formed at the mouth part, and a powder pusher 23 is arranged on the side wall of the bottle body.
When the solid-liquid mixed component detergent is filled in the bottle body, the bottle body comprises a pressure bottle body with a threaded structure at the mouth part, a side wall threaded opening for installing a powder pusher is reserved on the side wall, and the powder pusher is installed on the threaded opening.
The powder pusher 23 includes:
a pusher housing 2301 provided on a side wall screw port of the bottle body through a mounting screw 2302 formed on an outer wall of one end;
a thermocompression bonding membrane 2303 thermocompression bonded to the pusher housing 2301 at a thermocompression sealing port 2304;
a pusher piston 2305 provided inside the pusher housing 2301 and slidable;
a seal ring 2306 provided between an inner wall of the pusher housing 2301 and an outer wall of the pusher piston 2305;
a solid component powder 2307 filled within the pusher housing 2301 and disposed between the hot press membrane 2303 and the pushing piston 2305;
a screw rod 2308 screwed with the pusher housing 2301, and having a front end extendable into the pusher housing 2301;
a rotary handle 2309 provided at an end of the push rod 2308;
a push safety ring 2310 is inserted into the middle of the push rod 2308.
Wherein, the pusher housing 2301 is made of nylon or plastic, and has a hollow cylindrical shape with an open end, the open end is a hot-press sealing port 2304, and the hot-press sealing port 2304 is an end far away from the mounting thread 2302; the pusher housing 2301, the thermo-compression membrane 2303 and the pushing piston 2305 form a closed space; the forward end of the push rod 2308, when rotated, pushes the pushing piston 2305.
The bottle is a mixed liquid type pressing device bottle, the mixed liquid type pressing device bottle comprises two independent pressure bottles with threaded structures formed at the opening parts, the two bottles are connected through a liquid guide connector 33, and an auxiliary fixing ring 35 and an auxiliary handle 36 are further arranged between the two bottles.
Wherein, the auxiliary fixing ring 35 is an upper fixing ring and a lower fixing ring, the fixing rings are plate-shaped structures, and two through holes matched with the pressure bottle body are formed on the fixing rings; the auxiliary handle 36 is provided at both ends thereof on the upper and lower fixing rings, respectively.
The inside of the liquid guide connector 33 is provided with an independent channel, and is provided with an independent injection valve, the injection valve is communicated with an independent mixing nozzle seat 37, the mixing nozzle seat 37 is in a quick-plug connector form, and the mixing nozzle seat 37 is plugged with a mixing nozzle 34.
A liquid guide tube 26 is arranged below the injection valve 17, and the liquid guide tube 26 extends to the bottom of the bottle body.
A stirring ball 25 is arranged in the bottle body.
Example 1
When the single-component hand-held radioactive contamination decontamination device is used for decontamination operation, the single-component liquid decontaminating agent is filled in the bottle body 11 of the single-component pressing device, the filling amount is about 2/3 of the volume of the bottle body, the injection valve 17 is arranged on the bottle body, the liquid guide pipe 26 is arranged at the lower end of the injection valve 17, the liquid guide pipe 26 extends to the bottom of the bottle body 11, the stirring ball 25 is also arranged in the bottle body 11, and the distance between the liquid guide pipe 26 and the bottom of the bottle body 11 is smaller than the diameter of the stirring ball 25. The atomizing nozzle 15 and the pressure gauge 16 are installed at the side of the injection valve 17, the lifting handle 12 is installed at the top of the injection valve 17, the pressing handle 13 is hinged with the lifting handle 12, and controls the opening and closing of the injection valve 17, and the spray safety ring 14 is inserted on the pressing handle 13 and clamps the pressing handle 13. The inside of the bottle 11 is filled with compressed air, and the pressure gauge 16 displays the pressure inside the bottle 11.
When spraying and decontaminating, firstly, the bottle body 11 of the single-component pressing device is shaken to prevent uneven liquid density caused by overlong standing time of the bottle body, the safety ring 14 is opened, the atomizing nozzle 15 is aligned to the surface of a polluted medium, the pressing handle 13 is pressed downwards, and the decontaminating agent in the bottle body is uniformly sprayed on the surface of the polluted medium. After the detergent is completely dried, stripping the detergent from the surface of the polluted medium by hands or tools, putting the detergent into a recovery bag, measuring whether the radioactive concentration on the surface of the polluted medium reaches the standard, and repeatedly spraying the detergent if the radioactive concentration does not reach the standard, collecting the recovery bag with the film body in a concentrated manner, performing landfill treatment after incineration and carbonization treatment, or performing landfill treatment after direct compression and reduction of the volume.
Example 2
When the solid-liquid type handheld radioactive pollution decontamination device is used for decontamination operation, solid components 2307 are filled in the powder pusher 23, the hot pressing diaphragm 2303 is bonded at the hot pressing sealing opening 2304 through hot pressing, the pushing safety ring 2310 is inserted in the middle of the spiral pushing rod 2308, the powder pusher 23 is installed on the side wall of the solid-liquid type bottle body 21 through the installation threads 2302, the liquid components 24 are filled in the solid-liquid type bottle body 21, the filling amount is about 2/3 of the bottle body volume, the liquid guide tube 26, the stirring ball 25, the injection valve 17, the pressure gauge 16, the lifting handle 12, the pressing handle 13, the atomizing nozzle 15 and the spraying safety ring 14 have the same installation structure as in the embodiment 1, and the bottle body 21 is also filled with compressed air.
When spraying and decontaminating, firstly, the pushing safety ring 2310 is taken down, the rotary handle 2309 is rotated, the pushing piston 2305 is pushed by the spiral push rod 2308 to move towards the inside of the bottle body, the hot pressing membrane 2303 is crushed to mix the solid component 2307 with the liquid component 24, the bottle body 21 of the solid-liquid type pressing device is rocked, the solid component 2307 and the liquid component 24 are uniformly mixed through the stirring ball 25, the safety ring 14 is opened, the atomizing nozzle 15 is aligned to the surface of the polluted medium, the pressing handle 13 is pressed downwards, and the decontaminating agent in the bottle body is uniformly sprayed on the surface of the polluted medium, and the subsequent operation is the same as in the embodiment 1.
Example 3
When the double-component liquid mixing hand-held radioactive pollution decontamination device is used for decontamination operation, the A liquid bottle body 31 is filled with the A component liquid 38, the B liquid bottle body 32 is filled with the B component liquid 39, the filling amount is about 2/3 of the bottle body volume, the A liquid bottle body 31 and the B liquid bottle body 32 are arranged on the liquid guide connector 33, the auxiliary fixing ring 35 is sleeved on the A liquid bottle body 31 and the B liquid bottle body 32, the auxiliary handle 36 is connected with the auxiliary fixing ring 35, the two liquid guide pipes 26, the two stirring balls 25, the two pressure gauges 16, the lifting handle 12, the pressing handle 13 and the spraying safety ring 14 have the same mounting structure as in the embodiment 1, and compressed air is filled in the A liquid bottle body 31 and the B liquid bottle body 32.
The mixing nozzle 34 is inserted into the mixing nozzle holder 37, and the mixing nozzle 34 after use can be removed by pressing the quick-connection of the mixing nozzle holder 37.
When spraying and decontaminating are carried out, the liquid bottle body 31 and the liquid bottle body 32 are shaken to prevent uneven density of liquid caused by overlong standing time of the bottle bodies, the safety ring 14 is opened, the mixing nozzle 34 is aligned to the surface of the polluted medium, the pressing handle 13 is pressed downwards, the liquid 38 of the component A and the liquid of the component B are uniformly mixed through the mixing nozzle 34 and then sprayed on the surface of the polluted medium, and the subsequent operation is the same as in the embodiment 1.
The decontamination method of the hand-held radioactive contamination decontamination device comprises the following steps:
arranging a handheld radioactive contamination decontamination device according to the working environment in a closed or semi-closed environment and the influence range of possible accidents;
(ii) plugging the accident area after nuclear pollution leakage and nuclear pollution accident occur;
(iii) opening the hand-held radioactive decontamination apparatus to spray the contaminated ground or medium surface;
(iv) waiting a period of time, after the radioactive decontamination material film body is dried, peeling the radioactive decontamination material film body from the ground or medium surface by hand or tool, and placing the radioactive decontamination material film body into a recovery bag;
(v) measuring whether the radioactive concentration of the ground or the surface of the medium meets the standard, and if not, repeating the spraying operation;
and (vi) collecting the recovery bags with the film body in a concentrated manner, and performing burying treatment after incineration and carbonization treatment or performing burying treatment after direct compression and capacity reduction.
And (3) when the hand-held radioactive contamination decontamination device in the step (iii) is a single-component and double-component liquid decontamination device, the decontamination device is directly sprayed.
When the handheld radioactive contamination decontamination device in the step (iii) is a liquid-solid mixing decontamination device, solid powder is pressed into liquid components, and is uniformly mixed by shaking and then sprayed.
The invention provides a hand-held radioactive pollution decontamination device which can be applied to various places where large-scale equipment such as indoor space, underground space and the like cannot operate. The decontaminating agent in the radioactive decontamination spraying device has good wetting, adsorbing and embedding effects on radioactive dust particles, realizes the rapid control and removal of radioactive pollution, can rapidly and effectively control the diffusion range of the radioactive pollution, protects the life and property safety of people and reduces accident hazard and loss to the minimum.
Claims (4)
1. A hand-held radioactive contamination decontamination device, characterized in that: comprising the following steps:
a jet valve (17) is arranged at the bottle mouth of the bottle body,
a grip handle (12) connected to the injection valve (17);
a pressing handle (13) which is hinged with the lifting handle (12) and controls the injection valve (17), and opens the injection valve (17) after being pressed;
a pressure gauge (16) which is provided on the injection valve (17) and communicates with the inside of the bottle body;
a nozzle provided to the injection valve (17);
a spraying safety ring (14) which is inserted on the pressing handle (13) and clamps the pressing handle (13) so as not to be pressed downwards;
the bottle body is a solid-liquid type pressing device bottle body (21), is a pressure bottle body with a threaded structure formed at the mouth part, and is provided with a powder pusher (23) on the side wall;
the powder pusher (23) comprises:
a pusher housing (2301) provided on a bottle side wall screw port by a mounting screw thread (2302) formed on an outer wall of one end;
a thermocompression bonding membrane (2303) thermocompression bonded with the pusher housing (2301) at a thermocompression sealing port (2304);
a pusher piston (2305) provided inside the pusher housing (2301) and slidable;
a seal ring (2306) provided between the inner wall of the pusher housing (2301) and the outer wall of the pusher piston (2305);
a solid component powder (2307) filled within the pusher housing (2301) and disposed between the hot press diaphragm (2303) and the pusher piston (2305);
a screw rod (2308) which is screwed with the pusher housing (2301) and the front end of which can be extended into the pusher housing (2301);
a turning handle (2309) provided at the tip of the push rod (2308);
and the pushing safety ring (2310) is inserted into the middle part of the spiral pushing rod (2308).
2. The hand-held radioactive contamination decontamination apparatus according to claim 1, wherein: the nozzle is a single-channel atomizing nozzle (15), the atomizing nozzle (15) comprising:
a nozzle inlet (1501) which is hollow cylindrical and forms a convex ring at one end connected to the injection valve (17);
the atomizing nozzle flaring (1503) is a truncated cone with two open ends and the small diameter end of the flaring is connected with the nozzle inlet (1501);
and the spiral atomizing head (1502) is a spiral type with gradually reduced diameter, and the large-diameter end is connected with the nozzle inlet (1501) and is arranged in the cavity of the flaring (1503) of the atomizing nozzle.
3. The hand-held radioactive contamination decontamination apparatus according to claim 1, wherein: a liquid guide pipe (26) is arranged below the injection valve (17), and the liquid guide pipe (26) extends to the bottom of the bottle body.
4. The hand-held radioactive contamination decontamination apparatus according to claim 1, wherein: a stirring ball (25) is arranged in the bottle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910420003.3A CN110040370B (en) | 2019-05-20 | 2019-05-20 | Hand-held radioactive pollution decontaminating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910420003.3A CN110040370B (en) | 2019-05-20 | 2019-05-20 | Hand-held radioactive pollution decontaminating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110040370A CN110040370A (en) | 2019-07-23 |
| CN110040370B true CN110040370B (en) | 2023-07-07 |
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| CN201910420003.3A Active CN110040370B (en) | 2019-05-20 | 2019-05-20 | Hand-held radioactive pollution decontaminating device |
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| CN112958341B (en) * | 2021-03-19 | 2022-01-18 | 杭州湘泰环境科技有限公司 | Spraying device for pipeline repair and using method thereof |
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