CN111577659A - Double-fan exhaust system of irradiation chamber of irradiation electron accelerator - Google Patents
Double-fan exhaust system of irradiation chamber of irradiation electron accelerator Download PDFInfo
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- CN111577659A CN111577659A CN202010545483.9A CN202010545483A CN111577659A CN 111577659 A CN111577659 A CN 111577659A CN 202010545483 A CN202010545483 A CN 202010545483A CN 111577659 A CN111577659 A CN 111577659A
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- fan
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- 238000004021 metal welding Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The application discloses irradiation electron accelerator irradiation chamber double fan exhaust system, including one deck labyrinth is aired exhaust and two layers of accelerator room are aired exhaust. The one-layer labyrinth air exhaust is composed of an air inlet, an air exhaust metal air pipe, a concrete air exhaust pipe, one-layer labyrinth air exhaust fan and a support system thereof, and natural air enters through the labyrinth channels at two sides and finally converges into an air exhaust main air pipe at the top through the air channel and the fan. The first-layer and second-layer exhaust air can simultaneously take away heat generated by the irradiation window and the second-layer accelerator chamber machine, so that the stable operation of the equipment is ensured; the main exhaust pipe is arranged to be of a double-channel structure, exhaust of the one-layer labyrinth duct and the two-layer accelerator can independently converge into the main air pipe, and the main air pipe independently enter corresponding channels, are not affected by each other, are beneficial to reducing air outlets, and are convenient for fixing the air pipes and reducing design difficulty and cost.
Description
Technical Field
The invention relates to the technical field of irradiation electron accelerator irradiation chamber exhaust, in particular to an irradiation electron accelerator irradiation chamber double-fan exhaust system.
Background
When the irradiation electron accelerator is used for irradiation sterilization, a large amount of ozone can be generated, and the generated ozone needs to be discharged in time to ensure the health and safety of surrounding personnel due to the fact that high-concentration ozone is harmful gas and the national standard requirement of an irradiation station; when the irradiation works, the irradiation window and the titanium film part thereof generate high temperature due to highly concentrated beam energy, and if the heat dissipation is not timely, the titanium film is burnt by the high-intensity beam, so that the equipment is shut down; when the accelerator chamber equipment works, a large amount of heat is also generated, and the heat needs to be taken away in time, so that the equipment can be ensured to work stably and reliably; meanwhile, the radiation dose can overflow through a reserved air duct opening, and special design is needed for blocking, so that the external radiation dose is ensured to meet the national standard requirement; if building the tuber pipe alone when one deck and two layers are ventilated respectively, because of the national standard requirement, outside tuber pipe is up to tens meters, and a plurality of tuber pipes have increased installation and maintenance cost, and are unfavorable for later stage safety. The scheme of the application provides a double-fan exhaust system of an irradiation chamber of an irradiation electron accelerator, which is used for solving the problems.
Disclosure of Invention
The technical scheme adopted by the invention for solving the technical problems is to provide a double-fan exhaust system of an irradiation chamber of an irradiation electron accelerator, wherein the specific technical scheme is as follows:
comprises a layer of labyrinth exhaust and a layer of two-layer accelerator chamber exhaust;
the one-layer labyrinth air exhaust comprises one-layer labyrinth air exhaust metal air pipe, the one-layer labyrinth air exhaust metal air pipe is provided with one-layer labyrinth air exhaust metal air pipe, the one-layer labyrinth air exhaust metal air pipe is connected with the one-layer labyrinth air exhaust concrete air pipe, the one-layer labyrinth air exhaust concrete air pipe is connected with the one-layer labyrinth air exhaust fan, the one-layer labyrinth air exhaust fan is connected with the outlet of the one-layer labyrinth air exhaust fan, the outlet of the one-layer labyrinth air exhaust fan is connected with an air exhaust main air pipe, and the air exhaust main air pipe is fixed through a one;
the second-layer accelerator chamber exhaust air comprises a second-layer accelerator chamber natural air inlet, the second-layer accelerator chamber natural air inlet is connected with a second-layer accelerator chamber external metal air pipe, the second-layer accelerator chamber external metal air pipe is fixed through an exhaust pipe fixing frame, the second-layer accelerator chamber external metal air pipe is connected with a second-layer accelerator chamber exhaust fan, and the second-layer accelerator chamber exhaust fan is connected with an outlet of the second-layer accelerator chamber exhaust fan;
the outlet of the two-layer accelerator chamber air exhaust fan is provided with a two-layer accelerator chamber air exhaust duct main air pipe, the outlet of the one-layer labyrinth chamber air exhaust fan is provided with a one-layer labyrinth fan air exhaust duct main air pipe, the two-layer accelerator chamber air exhaust duct main air pipe and the one-layer labyrinth fan air exhaust duct main air pipe are connected and connected with an air exhaust main air pipe, the air exhaust main air pipe is provided with an air exhaust main air pipe air port, and the air exhaust main air pipe is fixed through an air exhaust main air pipe fixing frame.
The double-fan exhaust system for the irradiation chamber of the irradiation electron accelerator comprises: the air inlet of the labyrinth passage of the first layer is close to the irradiation window, the center of the air passage is higher than the outlet of the irradiation window, the concrete air exhaust pipe of the labyrinth passage of the first layer is of an S-shaped structure, the exhaust fan of the labyrinth passage of the first layer is a mute box type centrifugal fan, the outlet of the exhaust fan of the labyrinth passage of the first layer is independently converged into the main air pipe of the main air pipe for air exhaust, and the natural air inlet of the labyrinth passage of the first layer is converged into the main air pipe for air exhaust at the top through the metal air passage.
The double-fan exhaust system for the irradiation chamber of the irradiation electron accelerator comprises: the two-layer accelerator chamber natural air inlet is formed by a section of a two-layer accelerator chamber natural air inlet duct, an air duct is L-shaped, the two-layer accelerator chamber exhaust fan is a mute box-type centrifugal fan, the two-layer accelerator chamber air inlet is inverted Z-shaped, an outlet of the two-layer accelerator chamber exhaust fan is independently converged into a main air duct of an exhaust main air duct, and the natural air inlet of the two-layer accelerator chamber enters through the section of the two-layer accelerator chamber natural air inlet duct and is converged into the exhaust main air duct at the top through a metal air duct, a concrete air duct and a fan.
The double-fan exhaust system for the irradiation chamber of the irradiation electron accelerator comprises: the main air exhaust pipe is arranged into a double-channel structure, the exhaust air of the first-layer labyrinth and the exhaust air of the second-layer accelerator can independently converge into the main air pipe and respectively and independently enter the corresponding main air pipe-the first-layer labyrinth fan exhaust duct, the main air pipe-the second-layer accelerator chamber fan exhaust duct, and the metal exhaust pipe fixing frame, the exhaust fan support and the main air pipe fixing frame are all metal welding frame structures.
Compared with the prior art, the invention has the following beneficial effects: the first layer of air exhaust concrete air pipe is of a vertical S-shaped structure, the second layer of air exhaust concrete air pipe is of a horizontal inverted Z-shaped structure, the second layer of air exhaust natural air inlet pipe is of an L shape, the intensity of overflowed radiation rays is attenuated, and the radiation safety of the air outlet is guaranteed. Meanwhile, the first-layer exhaust air and the second-layer exhaust air can simultaneously take away heat generated by the irradiation window and a second-layer accelerator chamber machine, so that the stable operation of the equipment is ensured; the main exhaust pipe is arranged to be of a double-channel structure, exhaust of the one-layer labyrinth duct and the two-layer accelerator can independently converge into the main air pipe, and the main air pipe independently enter corresponding channels, are not affected by each other, are beneficial to reducing air outlets, and are convenient for fixing the air pipes and reducing design difficulty and cost.
Drawings
Fig. 1 is a schematic view of a one-layer labyrinth air exhaust structure.
Fig. 2 is a schematic view of the exhaust structure and the total exhaust of the two-story accelerator room.
In the figure:
1-1 electron accelerator radiation-proof shielding room; 1-2 beams of lower irradiation windows; 1-3 layers of labyrinth air inlets; 1-4 layers of labyrinth exhaust directions; 1-5 layers of labyrinth air exhaust metal air pipes; 1-6 layers of labyrinth air exhaust concrete air pipes; 1-7 two-layer accelerator chamber air inlet; 1-8 layers of labyrinth exhaust fans; 1-9 layers of labyrinth exhaust fan outlets; 1-10 total air exhaust pipes; 1-11 layers of labyrinth exhaust fan brackets; 1-12 total air exhaust pipe brackets.
2-1 two-layer accelerator chamber natural wind inlet; 2-2 sections of natural air inlet ducts of two-layer accelerator chambers; 2-3 two-layer accelerator chamber air exhaust direction; 2-4 two layers of accelerator outdoor metal air pipes; 2-5 exhaust pipe fixing frames; 2-6 two-layer accelerator chamber exhaust fan; 2-7 two-layer accelerator chamber exhaust fan outlet; 2-8 air exhaust main air pipe fixing frames; 2-9 air outlets of a main air exhaust pipe; 2-10 two-layer accelerator chamber fan exhaust duct main air pipe; 2-11 layers of labyrinth fan exhaust duct main air pipes.
Detailed Description
The invention is further described below with reference to the figures and examples.
The invention provides a double-fan exhaust system for an irradiation chamber of an irradiation electron accelerator, which comprises a first-layer labyrinth exhaust and a second-layer accelerator chamber exhaust.
One deck labyrinth is aired off and is included: the air-conditioning system comprises a layer of labyrinth air inlet 1-3, a layer of labyrinth air exhaust metal air pipe 1-5, a layer of labyrinth air exhaust concrete air pipe 1-6, a layer of labyrinth air exhaust fan 1-8, a layer of labyrinth air exhaust fan outlet 1-9, an air exhaust total air pipe 1-10 and a layer of labyrinth air exhaust fan support 1-11. The air inlet 1-3 of the labyrinth passage is close to the irradiation window, and the center of the air passage is higher than the outlet of the irradiation window, so that the high-temperature heat of the irradiation window and the titanium film thereof is taken away, and the long service life and stable work of the irradiation window are ensured. One layer of labyrinth air exhaust concrete air pipe 1-6 is of an S-shaped structure and is used for attenuating radiation dose overflowing from an air channel, one layer of labyrinth air exhaust fan 1-8 is a mute box type centrifugal fan, one layer of labyrinth air exhaust fan outlet 1-9 is independently converged into a total air pipe of an air exhaust total air pipe 1-10, namely one layer of labyrinth air exhaust fan air duct, one layer of labyrinth natural air inlet enters through a labyrinth port and finally converged into the top air exhaust total air pipe 1-10 through a metal air channel, a concrete air channel and a fan.
The second floor accelerator room is aired and is included: the air conditioner comprises a two-layer accelerator chamber natural air inlet 2-1, a two-layer accelerator chamber natural air inlet duct section 2-2, a two-layer accelerator chamber external metal air duct 2-4, an exhaust duct fixing frame 2-5, a two-layer accelerator chamber exhaust fan 2-6, a two-layer accelerator chamber exhaust fan outlet 2-7, a two-layer accelerator chamber air inlet 2-1, and a two-layer accelerator chamber air inlet 2-1 which is a concrete air duct.
The natural wind inlet 2-1 of the two-layer accelerator chamber is formed by a section 2-2 of a natural wind inlet duct of the two-layer accelerator chamber, the air duct is L-shaped and is used for attenuating the radiation dose overflowed by the air duct, and the exhaust fan 2-6 of the two-layer accelerator chamber is a mute box type centrifugal fan. The air inlet 2-1 of the two-layer accelerator chamber is in an inverted Z shape and is used for attenuating the radiation dose overflowing from the air duct. The outlets 2-7 of the two-layer accelerator chamber exhaust fans independently converge into a main air pipe of an exhaust main air pipe, namely a two-layer accelerator chamber air exhaust duct. The natural wind inlet of the two-layer accelerator chamber enters through the section 2-2 of the natural wind inlet duct of the two-layer accelerator chamber and finally converges into the top air exhaust main air duct through the metal air duct, the concrete air duct and the fan. The two-layer accelerator chamber takes away high-temperature heat generated by two-layer accelerator equipment through natural exhaust, and stable operation of the equipment is guaranteed.
The main air exhaust pipes 1-10 are arranged in a double-channel structure, the air exhausted by the first-layer labyrinth and the second-layer accelerator can independently converge into the main air pipes, and respectively and independently enter the corresponding main air pipes, namely the first-layer labyrinth fan exhaust duct and the main air pipes, and the second-layer accelerator chamber fan exhaust duct, so that the air exhausted by the main air pipes and the main air pipes cannot influence each other, and the fixing difficulty and the design difficulty of the exhaust pipes are greatly simplified. The metal exhaust pipe fixing frame, the exhaust fan support and the main air pipe fixing frame are all of metal welding frame structures, and the frame supporting legs are poured in concrete during installation, so that the stability of the frame is improved.
Although the present invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a two fan exhaust system of irradiation electron accelerator irradiation room which characterized in that: comprises a layer of labyrinth exhaust and a layer of two-layer accelerator chamber exhaust;
the one-layer labyrinth air exhaust comprises one-layer labyrinth air exhaust metal air pipe, the one-layer labyrinth air exhaust metal air pipe is provided with one-layer labyrinth air exhaust metal air pipe, the one-layer labyrinth air exhaust metal air pipe is connected with the one-layer labyrinth air exhaust concrete air pipe, the one-layer labyrinth air exhaust concrete air pipe is connected with the one-layer labyrinth air exhaust fan, the one-layer labyrinth air exhaust fan is connected with the outlet of the one-layer labyrinth air exhaust fan, the outlet of the one-layer labyrinth air exhaust fan is connected with an air exhaust main air pipe, and the air exhaust main air pipe is fixed through a one;
the second-layer accelerator chamber exhaust air comprises a second-layer accelerator chamber natural air inlet, the second-layer accelerator chamber natural air inlet is connected with a second-layer accelerator chamber external metal air pipe, the second-layer accelerator chamber external metal air pipe is fixed through an exhaust pipe fixing frame, the second-layer accelerator chamber external metal air pipe is connected with a second-layer accelerator chamber exhaust fan, and the second-layer accelerator chamber exhaust fan is connected with an outlet of the second-layer accelerator chamber exhaust fan;
the outlet of the two-layer accelerator chamber air exhaust fan is provided with a two-layer accelerator chamber air exhaust duct main air pipe, the outlet of the one-layer labyrinth chamber air exhaust fan is provided with a one-layer labyrinth fan air exhaust duct main air pipe, the two-layer accelerator chamber air exhaust duct main air pipe and the one-layer labyrinth fan air exhaust duct main air pipe are connected and connected with an air exhaust main air pipe, the air exhaust main air pipe is provided with an air exhaust main air pipe air port, and the air exhaust main air pipe is fixed through an air exhaust main air pipe fixing frame.
2. The double-fan exhaust system of the irradiation electron accelerator irradiation chamber of claim 1, wherein: the air inlet of the labyrinth passage of the first layer is close to the irradiation window, the center of the air passage is higher than the outlet of the irradiation window, the concrete air exhaust pipe of the labyrinth passage of the first layer is of an S-shaped structure, the exhaust fan of the labyrinth passage of the first layer is a mute box type centrifugal fan, the outlet of the exhaust fan of the labyrinth passage of the first layer is independently converged into the main air pipe of the main air pipe for air exhaust, and the natural air inlet of the labyrinth passage of the first layer is converged into the main air pipe for air exhaust at the top through the metal air passage.
3. The double-fan exhaust system of the irradiation electron accelerator irradiation chamber of claim 2, wherein: the two-layer accelerator chamber natural air inlet is formed by a section of a two-layer accelerator chamber natural air inlet duct, an air duct is L-shaped, the two-layer accelerator chamber exhaust fan is a mute box-type centrifugal fan, the two-layer accelerator chamber air inlet is inverted Z-shaped, an outlet of the two-layer accelerator chamber exhaust fan is independently converged into a main air duct of an exhaust main air duct, and the natural air inlet of the two-layer accelerator chamber enters through the section of the two-layer accelerator chamber natural air inlet duct and is converged into the exhaust main air duct at the top through a metal air duct, a concrete air duct and a fan.
4. The double-fan exhaust system of the irradiation electron accelerator irradiation chamber of claim 3, wherein: the main air exhaust pipe is arranged into a double-channel structure, the exhaust air of the first-layer labyrinth and the exhaust air of the second-layer accelerator can independently converge into the main air pipe and respectively and independently enter the corresponding main air pipe-the first-layer labyrinth fan exhaust duct, the main air pipe-the second-layer accelerator chamber fan exhaust duct, and the metal exhaust pipe fixing frame, the exhaust fan support and the main air pipe fixing frame are all metal welding frame structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010545483.9A CN111577659A (en) | 2020-06-16 | 2020-06-16 | Double-fan exhaust system of irradiation chamber of irradiation electron accelerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010545483.9A CN111577659A (en) | 2020-06-16 | 2020-06-16 | Double-fan exhaust system of irradiation chamber of irradiation electron accelerator |
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| CN111577659A true CN111577659A (en) | 2020-08-25 |
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| CN202010545483.9A Pending CN111577659A (en) | 2020-06-16 | 2020-06-16 | Double-fan exhaust system of irradiation chamber of irradiation electron accelerator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201811387U (en) * | 2010-03-23 | 2011-04-27 | 吴喜平 | Upper exhaust system for rail-mounted area in subway station |
| CN104197438A (en) * | 2013-08-02 | 2014-12-10 | 冯刚克 | Thermal insulation module radiant heating and cooling ground and ventilation air conditioner system |
| CN208832597U (en) * | 2018-06-25 | 2019-05-07 | 马鞍山市莱能节能科技有限公司 | A kind of portable fresh air conditioner of Total heat exchange |
| CN209729521U (en) * | 2019-03-28 | 2019-12-03 | 中国核电工程有限公司 | A kind of heat discharge system applied to large nuclear-power factory reactor pit region |
| CN212250594U (en) * | 2020-06-16 | 2020-12-29 | 上海高鹰科技有限公司 | Double-fan exhaust system of irradiation chamber of irradiation electron accelerator |
-
2020
- 2020-06-16 CN CN202010545483.9A patent/CN111577659A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201811387U (en) * | 2010-03-23 | 2011-04-27 | 吴喜平 | Upper exhaust system for rail-mounted area in subway station |
| CN104197438A (en) * | 2013-08-02 | 2014-12-10 | 冯刚克 | Thermal insulation module radiant heating and cooling ground and ventilation air conditioner system |
| CN208832597U (en) * | 2018-06-25 | 2019-05-07 | 马鞍山市莱能节能科技有限公司 | A kind of portable fresh air conditioner of Total heat exchange |
| CN209729521U (en) * | 2019-03-28 | 2019-12-03 | 中国核电工程有限公司 | A kind of heat discharge system applied to large nuclear-power factory reactor pit region |
| CN212250594U (en) * | 2020-06-16 | 2020-12-29 | 上海高鹰科技有限公司 | Double-fan exhaust system of irradiation chamber of irradiation electron accelerator |
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