CN106622719A - Air ejector for mater control room of nuclear power plant - Google Patents
Air ejector for mater control room of nuclear power plant Download PDFInfo
- Publication number
- CN106622719A CN106622719A CN201610912486.5A CN201610912486A CN106622719A CN 106622719 A CN106622719 A CN 106622719A CN 201610912486 A CN201610912486 A CN 201610912486A CN 106622719 A CN106622719 A CN 106622719A
- Authority
- CN
- China
- Prior art keywords
- air
- power plant
- nuclear power
- control room
- compressed air
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
Landscapes
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention provides an air ejector for a mater control room of a nuclear power plant. The air ejector comprises a compressed air inlet, a compressed air channel, an environmental air suction inlet, a suction cavity, a nozzle, a mixing chamber, a diffusing section and an outlet. The compressed air channel is connected to the compressed air inlet and the nozzle, and the suction cavity is connected to the environmental air suction inlet and the mixing chamber; and the diffusing section is connected to the mixing chamber and the outlet. The air ejector for the mater control room of the nuclear power plant provided by the invention can provide a sufficient circular air quantity and outlet pressure once accidents of the nuclear power plant happen.
Description
Technical field
The present invention relates to the passive emergent technical field that can reside of nuclear power plant master control room, and in particular to a kind of main control room
The air ejector used when accident occurs.
Background technology
During nuclear power plant accident, main control room can reside region as nuclear power station control centre and unique personnel, play guarantor
The effect that shield personal security and maintenance control device normally run.Can reside for main control room personnel after guarantee accident, it is right to need
Main control room inner air is circulated filtration, to reduce impact of the radioactivity to personnel.After nuclear power plant accident, sprayed using air
Emitter realizes the passive circulation of main control room inner air, and air ejector provides power, induced environment using compressed air
Air mix with compressed air into injector, mixed gas by injector outlet send.Air ejector is induced
The ratio of surrounding air amount and air supply be referred to as the jet coefficient of injector.
Impact of the radioactivity to personnel in main control room after due to needing reduction accident, it is desirable to provide enough inner loops
Filtering the jet coefficient of air quantity, i.e. air ejector needs to reach particular requirement, meanwhile, air ejector outlet needs to provide foot
Enough pressure overcomes downstream resistance.
The content of the invention
The present invention is directed to the deficiencies in the prior art, proposes a kind of nuclear power plant master control room air ejector.
Nuclear power plant master control room is included with air ejector：Compressed air inlet, compressed air channel, surrounding air suction
Mouth, suction chamber, nozzle, mixing chamber, diffuser and export the compressed air channel and the compressed air inlet and described
Nozzle connects, and the suction chamber is connected with the surrounding air suction inlet and the mixing chamber；The diffuser mixes with described
Room and the outlet connect.
Preferably, the compressed air inlet is form of flanges.
Preferably, the surrounding air suction inlet is form of flanges.
Preferably, the outlet is form of flanges.
Preferably, the nozzle is located in the suction chamber.
Compared with prior art, the invention has the advantages that：
1st, the nuclear power plant master control room air ejector that the present invention is provided, can provide enough in nuclear power plant accident
Air circulation and outlet pressure.
2nd, the nuclear power plant master control room air ejector that the present invention is provided, using the pressure entered by compressed air inlet
Contracting air, projects to form negative pressure at nozzle, and induced environment air enters suction chamber by surrounding air suction inlet.The environment of induction
The ratio of air capacity and air supply, the i.e. jet coefficient of the injector reaches 16.Into the surrounding air and pressure of suction chamber
After mixing chamber mixing, injector is sent in Jing diffusers and outlet to contracting air, and the gas relative pressure of outlet reaches 2000Pa.
Description of the drawings
The schematic diagram of the nuclear power plant master control room air ejector that Fig. 1 is provided for the present invention.
Wherein：1st, compressed air inlet；2nd, compressed air channel；3rd, surrounding air suction inlet；4th, suction chamber；5th, nozzle；
6th, mixing chamber；7th, diffuser；8th, export.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, it is below in conjunction with the accompanying drawings and concrete real
The present invention is further detailed explanation to apply mode.
As shown in figure 1, a kind of nuclear power plant master control room air ejector, including compressed air inlet 1, compressed air is logical
Road 2, surrounding air suction inlet 3, suction chamber 4, nozzle 5, mixing chamber 6, diffuser 7 and outlet 8.
Described compressed air inlet 1 is used for the entrance of compressed air, is form of flanges.
Described compressed air channel 2 flows to nozzle 5 for compressed air, is connected with compressed air inlet 1.
Described surrounding air suction inlet 3 is used for the entrance of surrounding air, is form of flanges.
Described suction chamber 4 is used for the surrounding air of suction and temporarily stores, with surrounding air suction inlet 3 and mixing chamber 6
Connection.
Described nozzle 5 is connected for compressed air injection with compressed air channel 2.
The mixing of the surrounding air that described mixing chamber 6 is used for from the compressed air and suction chamber 4 of the injection of nozzle 5, with
Suction chamber 4 and diffuser 7 connect.
Described diffuser 7 forms stable flow field for mixed gas, is connected with mixing chamber 6 and outlet 8.
Described outlet 8 is used for gas after mixing and sends, and is form of flanges.
A kind of specifically used process of nuclear power plant master control room air ejector of the present invention is：Compressed air Jing is pressed
Contracting air intake 1 enters compressed air channel 2, and in compressed air channel 2 nozzle 5 is flowed to, and compressed air Jing nozzle 5 is penetrated
Go out, form negative pressure.Surrounding air enters suction chamber 4 using the negative pressure Jing surrounding air suction inlet 3 for being formed, into suction chamber 4
The compressed air that surrounding air is projected with nozzle 5 mixes in mixing chamber 6.The mixed Jing of gas Jing diffusers 7 outlets 8 are sent.
A kind of nuclear power plant master control room air ejector of the present invention, the surrounding air of its suction of Jing surrounding airs suction inlet 3
The ratio of the air supply entered with compressed air intake 1 is measured, i.e. jet coefficient reaches 16, the mixing that its outlet 8 is sent
Gas relative pressure reaches 2000Pa.
Compared with prior art, the present embodiment has the advantages that：
1st, the nuclear power plant master control room air ejector that the present embodiment is provided, can provide enough in nuclear power plant accident
Air circulation and outlet pressure.
2nd, the nuclear power plant master control room air ejector that the present embodiment is provided, using what is entered by compressed air inlet
Compressed air, projects to form negative pressure at nozzle, and induced environment air enters suction chamber by surrounding air suction inlet.The ring of induction
The ratio of border air capacity and air supply, the i.e. jet coefficient of the injector reaches 16.Into suction chamber surrounding air with
After mixing chamber mixing, injector is sent in Jing diffusers and outlet to compressed air, and the gas relative pressure of outlet reaches 2000Pa.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
For, due to corresponding to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.
Those skilled in the art can use different methods to the described function of realization to each specific application, but
It is this realization it is not considered that beyond the scope of this invention.
Obviously, those skilled in the art can carry out the spirit of various changes and modification without deviating from the present invention to invention
And scope.So, if these modifications of the present invention and modification belong to the claims in the present invention and its equivalent technologies scope it
Interior, then the present invention is also intended to including including these changes and modification.
Claims (5)
1. a kind of nuclear power plant master control room air ejector, it is characterised in that include：Compressed air inlet, compressed air are led to
Road, surrounding air suction inlet, suction chamber, nozzle, mixing chamber, diffuser and the outlet compressed air channel and the compression
Air intake and the nozzle connect, and the suction chamber is connected with the surrounding air suction inlet and the mixing chamber；The expansion
Scattered section is connected with the mixing chamber and the outlet.
2. nuclear power plant master control room air ejector according to claim 1, it is characterised in that the compressed air enters
Mouth is form of flanges.
3. nuclear power plant master control room air ejector according to claim 1, it is characterised in that the surrounding air is inhaled
Entrance is form of flanges.
4. nuclear power plant master control room air ejector according to claim 1, it is characterised in that the outlet is flange
Form.
5. nuclear power plant master control room air ejector according to claim 1, it is characterised in that the nozzle is located at institute
State in suction chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912486.5A CN106622719A (en) | 2016-10-19 | 2016-10-19 | Air ejector for mater control room of nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912486.5A CN106622719A (en) | 2016-10-19 | 2016-10-19 | Air ejector for mater control room of nuclear power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106622719A true CN106622719A (en) | 2017-05-10 |
Family
ID=58855545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610912486.5A Pending CN106622719A (en) | 2016-10-19 | 2016-10-19 | Air ejector for mater control room of nuclear power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106622719A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2925589Y (en) * | 2006-07-27 | 2007-07-25 | 范文松 | Jetting regenerator |
| CN101124410A (en) * | 2005-02-07 | 2008-02-13 | 爱德华兹有限公司 | Ejector pump |
| CN203140199U (en) * | 2013-04-02 | 2013-08-21 | 中广核工程有限公司 | Nuclear-grade ejector |
| CN103527526A (en) * | 2013-11-04 | 2014-01-22 | 山东好瑞特石化机械制造有限公司 | Efficient adjustable nozzle ejector |
| CN105114367A (en) * | 2015-09-02 | 2015-12-02 | 上海核工程研究设计院 | Vacuum injector provided with adjustable nozzles and used for nuclear power station vacuum-pumping system |
-
2016
- 2016-10-19 CN CN201610912486.5A patent/CN106622719A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101124410A (en) * | 2005-02-07 | 2008-02-13 | 爱德华兹有限公司 | Ejector pump |
| CN2925589Y (en) * | 2006-07-27 | 2007-07-25 | 范文松 | Jetting regenerator |
| CN203140199U (en) * | 2013-04-02 | 2013-08-21 | 中广核工程有限公司 | Nuclear-grade ejector |
| CN103527526A (en) * | 2013-11-04 | 2014-01-22 | 山东好瑞特石化机械制造有限公司 | Efficient adjustable nozzle ejector |
| CN105114367A (en) * | 2015-09-02 | 2015-12-02 | 上海核工程研究设计院 | Vacuum injector provided with adjustable nozzles and used for nuclear power station vacuum-pumping system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102758604B (en) | Swelling technology for carrying out fracturing construction on fiber | |
| CN108025200A (en) | Compressed-air foam fluid mixer | |
| CN107966297B (en) | A kind of inner cone injecting type not isothermal air inlet mixing device | |
| CN203448002U (en) | Venturi tube jet gas mixer | |
| CN109296399B (en) | Air leakage prevention and control device for underground goaf | |
| CN206669733U (en) | A kind of wind fires super blender | |
| CN106289789A (en) | SCR catalytic muffler low temperature urea crystals simulation experiment system | |
| CN106622719A (en) | Air ejector for mater control room of nuclear power plant | |
| CN106593964A (en) | Air ejector based on screw impeller injection | |
| CN206276523U (en) | A kind of nuclear power plant master control room air ejector | |
| CN105126277B (en) | A kind of big flow compressed-air foam mixing arrangement | |
| CN207715443U (en) | A kind of twin-stage low-pressure injection exhaust apparatus | |
| CN204829218U (en) | Super little fog lubrication and cooling system | |
| CN105107108B (en) | A kind of compound mixed proportion valve | |
| CN208727198U (en) | It is a kind of for mixing the gas mixer of nitrogen and ozone | |
| CN207274672U (en) | A kind of integral type sand sprayer agent structure and the sand sprayer with the structure | |
| CN203448004U (en) | Gas mixing device suitable for low pressure gases | |
| CN205618224U (en) | High -efficient CDPF regenerating unit | |
| CN106644540A (en) | Test system for testing performance of nuclear power station master control room air ejector | |
| CN103953467A (en) | Integrated fuel gas spraying mixer | |
| CN203796444U (en) | Integrated fuel gas jet mixer | |
| CN206455937U (en) | Celadon 3D printing device it is nozzle specially used | |
| CN202813379U (en) | Mixed utilization device for two different pressure gases | |
| CN204768531U (en) | Device is added in atomizing of normal atmospheric temperature molasses | |
| CN206816412U (en) | A kind of gaseous fuel engine charge pipe-line system |
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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Applicant after: XUANDA INDUSTRIAL GROUP Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Applicant before: XUANDA INDUSTRIAL GROUP Co.,Ltd. Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Applicant after: XUANDA INDUSTRIAL GROUP Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Applicant before: XUANDA INDUSTRIAL GROUP Co.,Ltd. |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |