CN207420907U - Atmospheric monitoring system ventilation equipment in a kind of containment - Google Patents
Atmospheric monitoring system ventilation equipment in a kind of containment Download PDFInfo
- Publication number
- CN207420907U CN207420907U CN201721253841.9U CN201721253841U CN207420907U CN 207420907 U CN207420907 U CN 207420907U CN 201721253841 U CN201721253841 U CN 201721253841U CN 207420907 U CN207420907 U CN 207420907U
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- motor
- impeller
- casing
- monitoring system
- ventilation equipment
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Abstract
The utility model is related to nuclear plant safety fields, refer in particular to atmospheric monitoring system ventilation equipment in a kind of containment, including casing, impeller, motor, the impeller is arranged in casing, and impeller is driven by motor, impeller includes wheel cap, wheel disc, blade, reel, the reel is driven by motor, and the blade is driven by reel, and blade is arranged between wheel cap and wheel disc, the wheel cap and wheel plate edge are provided with shirt rim, and wheel disc is bulge-structure close to edge.After using the above program, this ventilation equipment casing has the good pressure-resistant gentle dynamic performance of performance；Motor has good heat dissipation performance in confined space；Impeller intensity is high, and rotary inertia is small, and power of motor is low, starts within time 3s.
Description
Technical field
The utility model is related to nuclear plant safety fields, refer in particular to atmospheric monitoring system ventilation equipment in a kind of containment.
Background technology
Atmospheric monitoring system major function in containment reduces the radioactive level of fission inert gas in containment, really
Guarantor person can enter in containment；Slight negative pressure in containment is maintained, in case air leaks outside；It is used for purifying peace after loss of-coolant accident (LOCA)
Full shell air, makes the radioactive level of air in containment be reduced in the range of permission, and is discharged；It keeps in containment
The concentration of hydrogen is in allowed limits.It is required that in containment atmospheric monitoring system ventilation equipment have highly effective and safe, radiation protection,
Explosion-proof, wind turbine starts the characteristic that the time should be less than 3s and motor rated power is not more than 10KW.And existing common centrifugal blower
There is following defect that can not meet this requirement.First, motor is arranged in closed environment, poor radiation；2nd, casing is cut using rectangle
Face influences aerodynamic, while pressure-resistant poor performance；3rd, blade wheel structure cures, and rotary inertia is big, and it is slow to start the time, during startup
Between be more than 3s, start the time to reduce, cause power of motor high, general power 12KV and more than.
Therefore, the present inventor makes further research this, develops atmospheric monitoring system ventilation equipment in a kind of containment,
Thus this case generates.
Utility model content
The purpose of this utility model is to provide atmospheric monitoring system ventilation equipment in a kind of containment, have good resistance to
Press performance and aeroperformance；Motor has good heat dissipation performance in confined space；Impeller intensity is high, and rotary inertia is small, electricity
Acc power is low, starts within time 3s.
To achieve these goals, the technical solution of the utility model is as follows：
Atmospheric monitoring system ventilation equipment in a kind of containment, including casing, impeller, motor, the impeller is arranged on machine
In shell, and impeller is driven by motor, and impeller includes wheel cap, wheel disc, blade, reel, and the reel is driven by motor, the leaf
Piece is driven by reel, and blade is arranged between wheel cap and wheel disc, and the wheel cap and wheel plate edge are provided with shirt rim, and wheel disc is close
Edge is bulge-structure.
Further, the casing includes air inlet and air outlet, and the air inlet is corresponding with impeller, and the air outlet is set
It puts above impeller.
Further, the air inlet edge of the casing is provided with explosion-proof ring.
Further, the bottom of shell is provided with drainpipe.
Further, the motor is arranged in motor cover, and cooling fin is provided on the inner wall of the motor cover.
Further, sealing ring is equipped between the casing and motor case.
Further, the casing cross sectional shape employs round structure, with cast steel integral casting forming.
After using the above program, the utility model compared with prior art, has the following advantages：
Casing structure intensity is improved, there is the good pressure-resistant gentle dynamic performance of performance；It is big to solve wheel rotation inertia,
It is slow to start the time, the defects of causing power of motor big；The defects of solving confined space motor radiating poor performance.
Description of the drawings
Fig. 1 is one of schematic diagram of the utility model；
Fig. 2 is the two of the schematic diagram of the utility model；
Fig. 3 is one of schematic diagram of impeller；
Fig. 4 is the two of the schematic diagram of impeller；
The partial enlarged view of Fig. 5 Fig. 4；
Label declaration
Casing 1, air inlet 11, air outlet 12, explosion-proof ring 13, drainpipe 14,
Impeller 2, wheel cap 21, wheel disc 22, blade 23, reel 24, shirt rim 25, protrusion 26,
Motor 3, motor cover 4, cooling fin 41, sealing ring 5.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments.
As shown in the figure, atmospheric monitoring system ventilation equipment in a kind of containment, including casing 1, impeller 2, motor 3, impeller 2
It is arranged in casing 1, and impeller 2 is driven by motor 3；1 cross sectional shape of casing employs round structure, has good gas
Dynamic property and mechanical property, and reduce noise；Casing 1 uses cast steel integral casting forming, and casing includes air inlet 11 and goes out
Air port 12, air inlet 11 is corresponding with impeller 2, and air outlet 12 is arranged on 2 top of impeller, air inlet 11 plus copper explosion-proof ring 13,
Ensure that the resistance of 1 body of Fan casing is worn and explosion-proof ability；1 outer casing bottom of casing is equipped with drainpipe 14, can make to accumulate in housing
Discharge to ensure the safe operation of equipment during water in time；The motor 3 of configuration is arranged in 4 housing of sealed electric-motor cover, simultaneously
Link position is equipped with sealing ring 5 between 4 shell of casing 1 and motor cover, and motor 3 is made to isolate with space environment, ensure that the peace of motor 3
Total stability；4 shell inner wall of motor cover sets cooling fin 41, effectively reduces by 3 temperature of motor.
Impeller 2 includes wheel cap 21, wheel disc 22, blade 23, reel 24, and reel 24 is driven by motor 3, and blade 23 is by reel 24
Driving, blade 23 are arranged between wheel cap 21 and wheel disc 22, and wheel cap 21 and wheel disc 22 strike out heavier-duty knot using Sheet Metal Forming Technology
Structure enhances the whole intensity of impeller 2, reduces the maximum stress generated when impeller 2 operates on wheel cap 21, has good anti-
Shock stability.
Wheel cap 21 and 22 edge of wheel disc are provided with shirt rim 25, and wheel disc 22 is raised 26 structures close to edge, is improved
The intensity of impeller 2, on the premise of running at high speed, can also meet intensity requirement using relatively thin material, it is whole to reduce impeller 2
The weight of body, reduces rotary inertia, shortens and starts the time, starts time effective control within 3s, while 2 weight of impeller
It measures small, causes the motor using 10KV power that can also meet the performance requirement of wind turbine.
Above are only specific embodiment of the utility model, at the same in all the utility model it is involved as " it is upper and lower, left,
The words such as right, centre " are only used as to refer to, not absolute limit, and all changes that unsubstantiality is carried out using the utility model should all
It falls into the category of infringing the protection scope of the present invention.
Claims (7)
1. a kind of atmospheric monitoring system ventilation equipment in containment, it is characterised in that：Including casing, impeller, motor, the impeller
It is arranged in casing, and impeller is driven by motor, impeller includes wheel cap, wheel disc, blade, reel, and the reel is driven by motor
Dynamic, the blade is driven by reel, and blade is arranged between wheel cap and wheel disc, and the wheel cap and wheel plate edge are provided with shirt rim,
And wheel disc is bulge-structure close to edge.
2. atmospheric monitoring system ventilation equipment in a kind of containment according to claim 1, it is characterised in that：The casing
Including air inlet and air outlet, the air inlet is corresponding with impeller, and the air outlet is arranged on above impeller.
3. atmospheric monitoring system ventilation equipment in a kind of containment according to claim 2, it is characterised in that：The casing
Air inlet edge be provided with explosion-proof ring.
4. atmospheric monitoring system ventilation equipment in a kind of containment according to claim 1, it is characterised in that：The casing
Bottom is provided with drainpipe.
5. atmospheric monitoring system ventilation equipment in a kind of containment according to claim 1, it is characterised in that：The motor
It is arranged in motor cover, cooling fin is provided on the inner wall of the motor cover.
6. atmospheric monitoring system ventilation equipment in a kind of containment according to claim 5, it is characterised in that：The casing
Sealing ring is equipped between motor case.
7. atmospheric monitoring system ventilation equipment in a kind of containment according to claim 1, it is characterised in that：The casing
Cross sectional shape employs round structure, with cast steel integral casting forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721253841.9U CN207420907U (en) | 2017-11-14 | 2017-11-14 | Atmospheric monitoring system ventilation equipment in a kind of containment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721253841.9U CN207420907U (en) | 2017-11-14 | 2017-11-14 | Atmospheric monitoring system ventilation equipment in a kind of containment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207420907U true CN207420907U (en) | 2018-05-29 |
Family
ID=62313160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721253841.9U Active CN207420907U (en) | 2017-11-14 | 2017-11-14 | Atmospheric monitoring system ventilation equipment in a kind of containment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207420907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620719A (en) * | 2017-11-14 | 2018-01-23 | 浙江金盾风机股份有限公司 | Atmospheric monitoring system ventilation equipment in a kind of containment |
-
2017
- 2017-11-14 CN CN201721253841.9U patent/CN207420907U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620719A (en) * | 2017-11-14 | 2018-01-23 | 浙江金盾风机股份有限公司 | Atmospheric monitoring system ventilation equipment in a kind of containment |
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