CN112718707A - Dry ice decontamination equipment for nuclear power station - Google Patents
Dry ice decontamination equipment for nuclear power station Download PDFInfo
- Publication number
- CN112718707A CN112718707A CN202011136303.8A CN202011136303A CN112718707A CN 112718707 A CN112718707 A CN 112718707A CN 202011136303 A CN202011136303 A CN 202011136303A CN 112718707 A CN112718707 A CN 112718707A
- Authority
- CN
- China
- Prior art keywords
- fixed
- dry ice
- nuclear power
- fixed frame
- power plants
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0092—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Food Science & Technology (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses dry ice decontamination equipment for a nuclear power station, which comprises a base, wherein a cabinet body is fixed at the top end of the base, a tank body is fixed in an inner cavity of the cabinet body through a support column, a fixed frame is fixed at the top end of the inner cavity of the tank body, a speed reduction motor is fixed in the inner cavity of the fixed frame, an output shaft of the speed reduction motor is rotatably connected with a rotating shaft, the rotating shaft rotatably penetrates through the fixed frame, the fixed frame extends to the outer wall of the fixed frame, a first bevel gear is fixed at the tail end of the fixed frame, the first bevel gear is in meshing connection with a second bevel gear; the height of the breaker can be conveniently and rapidly adjusted through the arranged screw rod; through the fan blades, the speed reducing motor can also dissipate heat while working, and the safety of the speed reducing motor during operation is improved; through the shock mount that sets up, can cushion the vibrations of gear motor during operation, guarantee the stability of gear motor during operation.
Description
Technical Field
The invention relates to the technical field of nuclear power equipment, in particular to dry ice decontamination equipment for a nuclear power station.
Background
During operation and maintenance of the nuclear power plant, radioactive substances may deposit and accumulate on equipment components and tools of the nuclear power plant system, thereby forming radioactive contamination. In order to ensure the normal operation of the nuclear power plant system and the health and safety of operators, radioactive substances on equipment components and tools must be decontaminated, and dry ice decontamination equipment for the nuclear power plant is needed for the radioactive substances.
However, the existing dry ice decontamination equipment for the nuclear power station still has some disadvantages, when the device works, the height of the crusher cannot be adjusted according to the dry ice component in the tank body, and the problem of reducing the working efficiency of the crusher exists; in addition, when the speed reducing motor is in operation, heat is generated, however, the heat is increased along with the increase of time, and the problem that heat cannot be dissipated possibly exists; and the problem that the speed reducing motor generates vibration when in operation, which can cause the damage of elements on the speed reducing motor is solved, and therefore, a dry ice decontamination device for a nuclear power station is provided.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides dry ice decontamination equipment for a nuclear power station, which can solve the problems that the height of a breaker cannot be adjusted according to the dry ice component in a tank body when the device works, and the working efficiency of the breaker is reduced; in addition, when the speed reducing motor is in operation, heat is generated, however, the heat is increased along with the increase of time, and the problem that heat cannot be dissipated possibly exists; there is also a technical problem that vibrations are generated when the reduction motor is in operation, which may cause a problem of damage to components on the reduction motor.
In order to solve the technical problems, the invention provides the following technical scheme: a dry ice decontamination device for a nuclear power station comprises a base, wherein a cabinet body is fixed at the top end of the base, a tank body is fixed in an inner cavity of the cabinet body through a support column, a fixed frame is fixed at the top end of the inner cavity of the tank body, a speed reduction motor is fixed in the inner cavity of the fixed frame, an output shaft of the speed reduction motor is rotatably connected with a rotating shaft, the rotating shaft rotatably penetrates through the fixed frame, the rotating shaft extends to the outer wall of the fixed frame, a first bevel gear is fixed at the tail end of the rotating shaft, the first bevel gear is connected with a second bevel gear in a meshed manner, a lead screw penetrates through the inner wall of the second bevel gear, one end of the lead screw is rotatably connected with the inner cavity of the cabinet body, a ball nut is sleeved on the outer wall of the second bevel gear in a, the top ends of the outer sides of the two screw rods are fixedly connected with fourth bevel gears, one sides of the two fourth bevel gears are meshed with third bevel gears, rotating rods are fixedly connected to the middles of the two third bevel gears, limiting rods are rotatably connected to the outer sides of the rotating rods, and the limiting rods are fixedly connected with the cabinet body; the outer wall of the rotating shaft is rotatably sleeved with a fixed sleeve, and the outer side surface of the fixed sleeve is fixed with blades which are distributed at equal intervals; the surfaces of two sides of the fixing frame are provided with radiating holes distributed at equal intervals.
As a preferred technical scheme of the invention, the bottom end of the speed reducing motor is fixed with fixing rods which are symmetrical in pairs, and the outer side surfaces of the fixing rods are movably sleeved with shock absorption seats; a limiting plate is fixed at the bottom end of the fixing rod, a connecting spring is fixed at the joint of the limiting plate and the damping seat, the connecting spring surrounds the outer wall of the fixing rod, and sliding blocks are fixed on the surfaces of the two sides of the limiting plate; the inside spout that all sets up with the slider cunning of both sides of shock attenuation seat, slider and spout grafting adaptation, the inboard bottom mounting of shock attenuation seat has the damping spring that the equidistance distributes.
In a preferred embodiment of the present invention, the fixing sleeve is in a cylindrical shape, and the surface of the fixing sleeve is covered with a silicon nitride high temperature resistant layer.
As a preferable technical scheme of the invention, the bottom end of the base is fixed with two symmetrical wheels which are universal wheels.
As a preferred technical scheme of the invention, two groups of telescopic columns are symmetrically fixed at the bottom end of the base, and suckers are fixed at the bottoms of the telescopic columns.
As a preferred technical scheme of the invention, a handle is fixed at the top end of the base, and an anti-slip sleeve is sleeved on the surface of the handle.
As a preferable technical scheme of the invention, the surface of the fan blade is coated with a silicon nitride high-temperature resistant layer, and the surface of the silicon nitride high-temperature resistant layer is coated with an inorganic nano anticorrosive layer.
As a preferable technical scheme of the invention, the fixing frame is U-shaped, and the surface of the fixing frame is coated with an inorganic nano anticorrosive layer.
As a preferable technical solution of the present invention, the sliding block and the sliding groove are both trapezoidal, and the opening width of the sliding groove is one point twice of the width of the sliding block.
According to a preferable technical scheme of the invention, the outer wall of the fixing rod is coated with a chromium carbide wear-resistant layer, and the surface of the chromium carbide wear-resistant layer is coated with a chromium carbide wear-resistant layer.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. through the arranged screw rod, the problem that the working efficiency of the crusher is reduced because the height of the crusher cannot be adjusted according to the weight of the dry ice in the tank body when the device works is effectively avoided, so that the height of the crusher can be conveniently and quickly adjusted, the crushing effect of the crusher on the dry ice is facilitated, and the crushing effect of the dry ice is further improved;
2. the fan blades effectively avoid the problem that heat is generated when the speed reducing motor operates, but the heat is increased along with the increase of time, so that heat cannot be dissipated, the speed reducing motor can dissipate heat while working, the normal operation of the speed reducing motor is ensured, and the safety of the speed reducing motor during operation is also improved;
3. through the shock mount that sets up, effectively avoided can producing vibrations when gear motor operates, probably lead to the problem that the component on the gear motor appears damaging for can cushion the vibrations of gear motor during operation, guarantee the stability of gear motor during operation then, also prolonged gear motor's time life-span simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the lead screw and the cabinet of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the fan blade and the retaining collar of FIG. 2;
FIG. 5 is a schematic side view of the fixing rod and the shock absorbing seat of FIG. 2 according to the present invention;
wherein: 1. a base; 2. a cabinet body; 3. a tank body; 4. a screw rod; 5. a crusher; 6. a rotating shaft; 7. a first bevel gear; 8. a second bevel gear; 9. a fixed block; 10. a ball nut; 11. a fixing frame; 12. a reduction motor; 13. fixing the sleeve; 14. a fan blade; 15. heat dissipation holes; 16. fixing the rod; 17. a shock absorbing seat; 18. a limiting plate; 19. a slider; 20. a chute; 21. a connecting spring; 22. a damping spring; 23. a third bevel gear; 24. a fourth bevel gear; 25. a limiting rod; 26. and (4) rotating the rod.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in fig. 1-4, a dry ice decontamination device for a nuclear power station comprises a base 1, a cabinet 2 is fixed on the top end of the base 1, a tank 3 is fixed in the inner cavity of the cabinet 2 through a support column, a fixed frame 11 is fixed on the top end of the inner cavity of the tank 3, a speed reduction motor 12 is fixed in the inner cavity of the fixed frame 11, an output shaft of the speed reduction motor 12 is rotatably connected with a rotating shaft 6, the rotating shaft 6 rotatably penetrates through the fixed frame 11, the rotating shaft 6 extends to the outer wall of the fixed frame 11, a first bevel gear 7 is fixed at the tail end of the rotating shaft, the first bevel gear 7 is connected with a second bevel gear 8 in a meshing manner, a screw rod 4 penetrates through the inner wall of the second bevel gear 8, one end of the screw rod 4 is rotatably connected with the inner cavity of the cabinet 2, a ball nut 10 is rotatably, the number of the screw rods 4 is two, the top ends of the outer sides of the two screw rods 4 are fixedly connected with fourth bevel gears 24, one sides of the two fourth bevel gears 24 are meshed with third bevel gears 23, the middle parts of the two third bevel gears 23 are fixedly connected with rotating rods 26, the outer sides of the rotating rods 26 are rotatably connected with limiting rods 25, and the limiting rods 25 are fixedly connected with the cabinet body 2; the outer wall of the rotating shaft 6 is rotatably sleeved with a fixed sleeve 13, and fan blades 14 which are distributed at equal intervals are fixed on the outer side surface of the fixed sleeve 13; the surfaces of two sides of the fixed frame 11 are provided with radiating holes 15 which are distributed at equal intervals;
when the height of the knapper 5 is adjusted, the speed reduction motor 12 is started firstly, so that the screw rod 4 can rotate, the ball nut 10 is driven to move left and right through the threaded rotation of the fixed block 9 and the screw rod 4, then the position of the knapper 5 can be adjusted up and down, the height of the knapper 5 can be adjusted conveniently and quickly, the crushing effect of the knapper 5 on dry ice is facilitated, and the crushing effect of the dry ice is improved; the screw rod 4 rotates and meanwhile drives the fan blades 14 on the fixed sleeve 13 to rotate, so that wind power generated when the fan blades 14 rotate can cool the speed reducing motor 12 in a working state, heat generated when the speed reducing motor 12 operates can be discharged through the arranged heat dissipation holes 15, the speed reducing motor 12 can also dissipate heat when working, normal operation of the speed reducing motor 12 is guaranteed, and safety of the speed reducing motor 12 in operation is improved.
In other embodiments, the present embodiment discloses a damping mechanism, as shown in fig. 5, two symmetric fixing rods 16 are fixed at the bottom end of the reduction motor 12, and a damping seat 17 is movably sleeved on the outer side surface of each fixing rod 16; a limiting plate 18 is fixed at the bottom end of the fixing rod 16, a connecting spring 21 is fixed at the joint of the limiting plate 18 and the shock absorption seat 17, the connecting spring 21 surrounds the outer wall of the fixing rod 16, and sliding blocks 19 are fixed on the surfaces of the two sides of the limiting plate 18; sliding grooves 20 which are in sliding fit with the sliding blocks 19 are formed in the two sides of the shock absorption seat 17, the sliding blocks 19 are in splicing fit with the sliding grooves 20, and shock absorption springs 22 which are distributed at equal intervals are fixed at the bottom end of the inner side of the shock absorption seat 17;
when the speed reducing motor 12 is damped in a working state, firstly, the vibration is transmitted to the limit plate 18 through the fixed rod 16, so that the limit plate 18 moves up and down under the action of the vibration, then, the limit plate 18 slides up and down on the inner side of the chute 20 through the sliding block 19, then, the connecting spring 21 and the damping spring 22 are stretched or extruded, and then, the vibration during the working of the speed reducing motor 12 can be buffered by the counterforce of the connecting spring 21 and the damping spring 22, the stability during the working of the speed reducing motor 12 is ensured, and meanwhile, the service life of the speed reducing motor 12 is prolonged,
in other embodiments, the present embodiment discloses a heat dissipation window, as shown in fig. 1, the fixing sleeve 13 is in a cylindrical shape, and the surface of the fixing sleeve 13 is coated with a silicon nitride high temperature resistant layer;
through some silicon nitride high temperature resistant layers to the fixed sleeving 13 surface cladding for fixed sleeving 13 has high temperature resistance, can carry out certain protection to fixed sleeving 13, has prolonged fixed sleeving 13's life.
In other embodiments, the present embodiment discloses wheels, as shown in fig. 1, two symmetric wheels are fixed at the bottom end of the base 1, and the wheels are universal wheels;
when moving equipment, at first install the wheel respectively in base 1's bottom four corners, can make things convenient for the removal of staff to equipment then, improved the practicality of equipment.
In other embodiments, the present embodiment discloses telescopic columns, as shown in fig. 1, two groups of telescopic columns are symmetrically fixed at the bottom end of a base 1, and suction cups are fixed at the bottoms of the telescopic columns;
when carrying out the regulation of height to equipment, at first install flexible post respectively with the bottom four corners of base 1, the laying height of the adjusting device of being convenient for makes things convenient for staff's operation, through the sucking disc of flexible toe portion, has improved the stability when placing of equipment.
In other embodiments, the present embodiment discloses a handle, as shown in fig. 1, a handle is fixed at the top end of a base 1, and an anti-slip cover is sleeved on the surface of the handle;
in order to open the shield, at first with the cabinet body 2 on the installation handle, seal the handle with the hand again, upwards lift, then can open the shield, through the anti-skidding line that sets up for when sealing the handle, prevent that the hand from slipping on the handle, make the handle have anti-skidding performance.
In other embodiments, the protection layer is disclosed in the present embodiment, as shown in fig. 4, the surface of the fan blade 14 is coated with a silicon nitride high temperature resistant layer, and the surface of the silicon nitride high temperature resistant layer is coated with an inorganic nano anti-corrosion layer;
through the silicon nitride high temperature resistant layer coated on the surface of the fan blade 14, the fan blade 14 has high temperature resistance, certain protection can be performed on the fan blade 14, and the service life of the fan blade 14 is prolonged
In other embodiments, the present embodiment discloses a fixing frame 11, as shown in fig. 3, the fixing frame 11 is in a "U" shape, and the surface of the fixing frame 11 is coated with an inorganic nano anticorrosive layer;
at first install fixed frame 11 on the inner chamber top of jar body 3, then install the motor in the inner chamber of fixed frame 11, can fix, deposit the motor, can carry out certain protection to the motor, simultaneously through the inorganic nanometer anticorrosive coating that sets up for fixed frame 11 has corrosion resisting property, has prolonged fixed frame 11's life then.
In other embodiments, the present embodiment discloses the sliding block 19 and the sliding groove 20, as shown in fig. 5, the sliding block 19 and the sliding groove 20 are both trapezoidal, and the opening width of the sliding groove 20 is one point twice of the width of the sliding block 19;
so that the slider 19 can move up and down inside the slide groove 20, and then the sliding of the fixing rod 16 in the damper base 17 is limited.
In other embodiments, the embodiment discloses a protective layer, as shown in fig. 5, the outer wall of the fixing rod 16 is coated with a chromium carbide wear-resistant layer, and the surface of the chromium carbide wear-resistant layer is coated with a chromium carbide wear-resistant layer;
the fixing rods 16 are respectively arranged at four corners of the bottom of the gear motor 12, the gear motor 12 can be supported and fixed, and then the chromium carbide wear-resistant layer is arranged on the surface of the fixing rods 16, so that the fixing rods 16 have wear resistance, and the service life of the fixing rods 16 is prolonged.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a dry ice decontamination equipment for nuclear power station, includes base (1), its characterized in that: the top end of the base (1) is fixed with a cabinet body (2), an inner cavity of the cabinet body (2) is fixed with a tank body (3) through a support column, the top end of the inner cavity of the tank body (3) is fixed with a fixed frame (11), the inner cavity of the fixed frame (11) is fixed with a speed reducing motor (12), an output shaft of the speed reducing motor (12) is rotatably connected with a rotating shaft (6), the rotating shaft (6) is rotatably penetrated through the fixed frame (11), the rotating shaft (6) extends to the outer wall of the fixed frame (11), the tail end of the rotating shaft is fixedly provided with a first bevel gear (7), the first bevel gear (7) is meshed with a second bevel gear (8), the inner wall of the second bevel gear (8) is penetrated with a screw rod (4), one end of the screw rod (4) is rotatably connected with the inner cavity of the cabinet body (2, a fixed block (9) is fixed on the surface of one side of the ball nut (10), a crusher (5) is connected on the surface of one side of the fixed block (9) in a bearing mode, the number of the screw rods (4) is two, the top ends of the outer sides of the two screw rods (4) are fixedly connected with fourth bevel gears (24), one sides of the two fourth bevel gears (24) are meshed and connected with third bevel gears (23), the middle parts of the two third bevel gears (23) are fixedly connected with rotating rods (26), the outer sides of the rotating rods (26) are rotatably connected with limiting rods (25), and the limiting rods (25) are fixedly connected with the cabinet body (2); the outer wall of the rotating shaft (6) is rotatably sleeved with a fixed sleeve (13), and the outer side surface of the fixed sleeve (13) is fixed with blades (14) which are distributed at equal intervals; the two side surfaces of the fixing frame (11) are provided with heat dissipation holes (15) which are distributed at equal intervals.
2. A dry ice decontamination apparatus for nuclear power plants as claimed in claim 1, wherein: the bottom end of the speed reducing motor (12) is fixedly provided with fixing rods (16) which are symmetrical in pairs, and the outer side surfaces of the fixing rods (16) are movably sleeved with shock absorbing seats (17); a limiting plate (18) is fixed at the bottom end of the fixing rod (16), a connecting spring (21) is fixed at the joint of the limiting plate (18) and the shock absorption seat (17), the connecting spring (21) surrounds the outer wall of the fixing rod (16), and sliding blocks (19) are fixed on the surfaces of the two sides of the limiting plate (18); the inside spout (20) that all offer with slider (19) cunning of both sides of shock attenuation seat (17), slider (19) and spout (20) grafting adaptation, the inboard bottom mounting of shock attenuation seat (17) has damping spring (22) that the equidistance distributes.
3. A dry ice decontamination apparatus for nuclear power plants as claimed in claim 1, wherein: the fixing sleeve (13) is in a cylindrical state, and the surface of the fixing sleeve (13) is coated with a silicon nitride high-temperature-resistant layer.
4. A dry ice decontamination apparatus for nuclear power plants as claimed in claim 1, wherein: the bottom of the base (1) is fixed with two pairwise symmetrical wheels, and the wheels are universal wheels.
5. A dry ice decontamination apparatus for nuclear power plants as claimed in claim 1, wherein: two groups of telescopic columns are symmetrically fixed at the bottom end of the base (1), and suckers are fixed at the bottoms of the telescopic columns.
6. A dry ice decontamination apparatus for nuclear power plants as claimed in claim 1, wherein: the handle is fixed on the top end of the base (1), and the anti-slip sleeve is sleeved on the surface of the handle.
7. A dry ice decontamination apparatus for nuclear power plants as claimed in claim 1, wherein: the surface of the fan blade (14) is coated with a silicon nitride high-temperature resistant layer, and the surface of the silicon nitride high-temperature resistant layer is coated with an inorganic nano anti-corrosion layer.
8. A dry ice decontamination apparatus for nuclear power plants as claimed in claim 1, wherein: the shape of fixed frame (11) is "U" shape, the surface cladding of fixed frame (11) has inorganic nanometer anticorrosive coating.
9. A dry ice decontamination apparatus for nuclear power plants as claimed in claim 2, wherein: the sliding block (19) and the sliding groove (20) are both trapezoidal, and the opening width of the sliding groove (20) is twice of one point of the width of the sliding block (19).
10. A dry ice decontamination apparatus for nuclear power plants as claimed in claim 2, wherein: the outer wall of the fixing rod (16) is coated with a chromium carbide wear-resistant layer, and the surface of the chromium carbide wear-resistant layer is coated with a chromium carbide wear-resistant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136303.8A CN112718707A (en) | 2020-10-22 | 2020-10-22 | Dry ice decontamination equipment for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136303.8A CN112718707A (en) | 2020-10-22 | 2020-10-22 | Dry ice decontamination equipment for nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112718707A true CN112718707A (en) | 2021-04-30 |
Family
ID=75597295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011136303.8A Withdrawn CN112718707A (en) | 2020-10-22 | 2020-10-22 | Dry ice decontamination equipment for nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112718707A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226363A (en) * | 2021-11-03 | 2022-03-25 | 淮北矿业股份有限公司 | Pneumatic air hammer vibration device for turning cage |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208516982U (en) * | 2018-06-20 | 2019-02-19 | 深圳市协润科技有限公司 | A kind of sleet water resource collection recycling equipment |
| CN208589858U (en) * | 2018-06-21 | 2019-03-08 | 许昌市大力电机制造有限公司 | A kind of motor with shock-absorbing function |
| JP2019069401A (en) * | 2017-10-06 | 2019-05-09 | 大陽日酸株式会社 | Cryogenic temperature freezed crushing method and device, seed thin skin peeling method, cleaning method for cryogenic temperature freezed crushing device |
| CN109954843A (en) * | 2017-12-23 | 2019-07-02 | 镇江宝瑞通机械有限公司 | A kind of adjustable 3.2 tons of steel ingot dies |
| CN210679048U (en) * | 2019-08-19 | 2020-06-05 | 巢湖市友林林业有害生物防治有限公司 | Large-diameter wood splitting machine |
| CN211307083U (en) * | 2019-09-11 | 2020-08-21 | 山东凯旋模塑有限公司 | Novel pressure-resistant plastic mold |
| CN211613665U (en) * | 2019-12-03 | 2020-10-02 | 南京赫格机械有限公司 | Quick and efficient dry ice cleaning machine for mold |
-
2020
- 2020-10-22 CN CN202011136303.8A patent/CN112718707A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019069401A (en) * | 2017-10-06 | 2019-05-09 | 大陽日酸株式会社 | Cryogenic temperature freezed crushing method and device, seed thin skin peeling method, cleaning method for cryogenic temperature freezed crushing device |
| CN109954843A (en) * | 2017-12-23 | 2019-07-02 | 镇江宝瑞通机械有限公司 | A kind of adjustable 3.2 tons of steel ingot dies |
| CN208516982U (en) * | 2018-06-20 | 2019-02-19 | 深圳市协润科技有限公司 | A kind of sleet water resource collection recycling equipment |
| CN208589858U (en) * | 2018-06-21 | 2019-03-08 | 许昌市大力电机制造有限公司 | A kind of motor with shock-absorbing function |
| CN210679048U (en) * | 2019-08-19 | 2020-06-05 | 巢湖市友林林业有害生物防治有限公司 | Large-diameter wood splitting machine |
| CN211307083U (en) * | 2019-09-11 | 2020-08-21 | 山东凯旋模塑有限公司 | Novel pressure-resistant plastic mold |
| CN211613665U (en) * | 2019-12-03 | 2020-10-02 | 南京赫格机械有限公司 | Quick and efficient dry ice cleaning machine for mold |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226363A (en) * | 2021-11-03 | 2022-03-25 | 淮北矿业股份有限公司 | Pneumatic air hammer vibration device for turning cage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112718707A (en) | Dry ice decontamination equipment for nuclear power station | |
| CN111940786A (en) | Shin bone outside lockplate finish machining location drilling equipment | |
| CN112259332A (en) | Power transformer with fire extinguishing function and good heat dissipation effect | |
| CN112105201A (en) | Electric automation equipment overhauls protector | |
| CN213187054U (en) | Machine room operating environment monitoring host | |
| CN112496966A (en) | Grinding device is used in machining of guide pulley formula inclinometer parts | |
| CN220230152U (en) | Inlaid aluminum block enhanced heat radiator | |
| CN213660538U (en) | A damping device for new energy automobile battery | |
| CN112503307A (en) | Heat dissipation type network equipment places case | |
| CN219916869U (en) | Transformer cabinet | |
| CN111963840A (en) | Special controller for air source heat pump | |
| CN112176832A (en) | Self-cleaning tamping equipment for road construction | |
| CN219954384U (en) | Gas plug valve | |
| CN112440752A (en) | Power generation equipment for solar bus | |
| CN219329673U (en) | Servo motor shell capable of circularly radiating | |
| CN218062676U (en) | Centrifugal pump with protection device | |
| CN111894722A (en) | Protection mechanism of car heat dissipation case fan | |
| CN214950835U (en) | Closed type transverse flow cooling tower heat dissipation structure | |
| CN217257327U (en) | Foamed cement board cutting device | |
| CN219107235U (en) | Main transmission mechanism of glass double-side edge grinding machine | |
| CN210172731U (en) | Cooling device convenient to maintain for electric tapper | |
| CN210517988U (en) | Variable speed fan drive protection device | |
| CN115370471B (en) | Protective structure of diesel generator | |
| CN216666425U (en) | Worm gear speed reducer for grinding machine | |
| CN218325484U (en) | Chemical centrifugal pump with heat preservation frost crack prevention structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210430 |
|
| WW01 | Invention patent application withdrawn after publication |