CN205333600U - A air exchange system for small -size sealed chamber - Google Patents
A air exchange system for small -size sealed chamber Download PDFInfo
- Publication number
- CN205333600U CN205333600U CN201521097488.0U CN201521097488U CN205333600U CN 205333600 U CN205333600 U CN 205333600U CN 201521097488 U CN201521097488 U CN 201521097488U CN 205333600 U CN205333600 U CN 205333600U
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- China
- Prior art keywords
- air
- gas
- bag
- annular seal
- seal space
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- 239000007789 gas Substances 0.000 claims description 74
- 238000007789 sealing Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 17
- 210000003437 trachea Anatomy 0.000 claims description 17
- 239000002912 waste gas Substances 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 6
- 238000005273 aeration Methods 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
A air exchange system for small -size sealed chamber includes and fills exhaust unit, make up gas inflatable unit and the control unit, the exhaust unit that fills regain device, gasbag storage device and blast pipe including sealed chamber, flexible gasbag, aerating device, gasbag, set up sealed chamber door, exhaust gas discharge port and new gas inlet on the sealed chamber, the top installation gasbag in sealed chamber is regained the device and is used for taking in the gasbag storage device of flexible gasbag, flexible gasbag is installed on the device is regained to the gasbag, flexible gasbag is inflated the connecting pipe and is arranged at the outside aerating device intercommunication in sealed chamber through the gasbag, make up gas inflatable unit's gas cylinder is through protection gas intake pipe and sealed chamber intercommunication, the control unit includes gas purity analysis appearance, pressure regulating component and power bus, and the pressure regulating component links with aerating device's control end electricity, and aerating device's feeder ear power cord is even electric with power bus. The beneficial effects of the utility model are that: be applicable to the working condition that needs the atmosphere protection or take a breath, the efficiency of processingquality with is improved.
Description
Technical field
This utility model relates to a kind of air exchange system for small-sized sealing chamber。
Background technology
At intermetallic composite coating, remanufacture metal material or ceramic material sintering etc. and need the neighborhood of atmosphere protection; materials processing needs to carry out under specific inert gas atmosphere is protected; if processing control climate is improper; too high oxygen level; work metal can react with the trace oxygen in environment; form brittle metal oxide thing; the serious performance damaging metal; greatly reduce the quality of part to be processed; scrapping of processing part material also can be caused time serious; greatly reduction work efficiency, improves cost。Therefore, the inert atmosphere in metal material processing process plays very important effect for the quality of part to be processed。
In existing technology, traditional method carries out atmosphere protection with convection type；Also or atmosphere protection chamber carry out evacuation process, then pass into new gas and carry out atmosphere protection；Novel method carries out purifying oxygen process for internal oxygen being carried out redox reaction by circulative convection, finally plays atmosphere protection effect。But the shortcomings such as these operational approach exist, and air consumption is big, cost is high, length consuming time, atmosphere protection gas content not in place, new can not be monitored, are unfavorable for the processing of material, and efficiency is low, has certain limitation。
Summary of the invention
In order to overcome the shortcomings such as existing atmosphere protection device atmosphere preparation method air consumption is big, cost is high, length consuming time, atmosphere protection gas content not in place, new can not be monitored, a kind of air consumption is little, cost is low in this utility model offer, the short air exchange system for small-sized sealing chamber consuming time。
Air exchange system for small-sized sealing chamber described in the utility model, it is characterized in that: include filling exhaust unit, new gas inflation unit and control unit, the described exhaust unit that fills includes annular seal space, flexible air-bag, aerating device, air bag retraction mechanism, air bag storage device and exhaustor, described annular seal space arranges sealed container door, exhaust vent and new gas inlet, air bag retraction mechanism is installed and for receiving the air bag storage device of flexible air-bag in the top of described annular seal space, described flexible air-bag is arranged on described air bag retraction mechanism, described flexible air-bag is connected with the gas generator for air bag being arranged in outside annular seal space by airbag aeration connecting tube；One end of described exhaustor seals with the air vent of described annular seal space and connects, and the adapter of the other end is connected with the gas purity analyser of external exhaust gas outlet and control unit respectively by trachea connector；The gas cylinder of described new gas inflation unit connects with described annular seal space by protecting gas air inlet pipe；Described control unit includes the control end of gas purity analyser, voltage regulation component and power bus, described voltage regulation component and described gas generator for air bag and is electrically connected, and the feeder ear power line of described gas generator for air bag and described power bus are electrically connected。
Described air bag retraction mechanism is arranged on one of them drift angle place of annular seal space。
Described air bag storage device includes fixture and collecting part, described collecting part is arranged near the drift angle of the described annular seal space arranging air bag retraction mechanism by fixture, the incorporating section of described collecting part and the sidewall of described annular seal space, top board surround the space for receiving flexible air-bag jointly, and leave the gap for flexible air-bag turnover between collecting part and the sidewall of annular seal space。
Described collecting part is flap, wherein flap includes the binding face for being fitted in annular seal space top board and for stopping the barrier plate of flexible air-bag, the turning point of described flap is hinged on inside described annular seal space by fixture, and the bottom of described barrier plate is formed to the annular seal space sidewall slope of homonymy and closes up。
The end of described exhaustor is by gas-tpe fitting and external exhaust gas outlet, and the end of described exhaustor is furnished with waste gas outlet air valve。
Described trachea connector is threeway, first head end of described trachea connector is connected with described exhaustor by adapter, second head end of trachea connector connects with exhaust branch pipe, the 3rd head end of trachea connector and the air inlet pipeline connection of gas purity analyser。
Described aerating device is air pump。
Described flexible air-bag is the sealing bag of compressible expansion。
Described voltage regulation component can adopt the effusion meter for controlling aerating device flow, it is possible to for having regulator or the air valve of said function。
Utilize the air exchanging method of the air exchange system for small-sized sealing chamber described in the utility model, comprise the following steps:
1) preparing before experiment: open annular seal space door, complete to test front preparation, close chamber door, then carry out filling aerofluxus to reach ventilation effect, external power source connected by power bus joint, and the new gas inlet union of the gas cylinder of new gas inflation unit is connected with the new gas bottle in outside；
2) voltage regulation component is regulated so that gas generator for air bag is started working so that flexible air-bag expands；3) treat that flexible air-bag is full and close voltage regulation component afterwards; Guan Bi waste gas outlet air valve; open the valve of the gas cylinder of outside new gas inflation unit; by protecting gas air inlet pipe to carry new gas to enter annular seal space; by air bag retraction mechanism, because pulling force and gas pressure effect make air bag finally be compressed in air bag storage device；
4) waste gas outlet air valve is opened; open gas purity analyser; new gas concentration in detection trachea is the new Gas content of annular seal space; waste gas outlet air valve is closed after reaching required job requirement; complete new gas atmosphere protection effect; if new Gas content is not up to requiring, the repeat the above steps gas that tries again fills aerofluxus。
The beneficial effects of the utility model are: be applicable to the working condition of atmosphere protection or ventilation；New QI consumed tolerance is few, and gas content can be monitored, and the time reaching required atmosphere requirements is short, it is possible to improve crudy and efficiency。Whole system cost is low, and easy installation and removal is easy to operate, it is simple to carrying。
Accompanying drawing explanation
Fig. 1 is operation principle flow chart of the present utility model。
Fig. 2 is cut-away view of the present utility model。
Fig. 3 is internal waste gas venting principleand figure of the present utility model (arrow represents internal gas and flows to)。
Fig. 4 is airbag aeration schematic diagram of the present utility model。
Detailed description of the invention
This utility model is further illustrated below in conjunction with accompanying drawing
With reference to accompanying drawing:
Embodiment 1 air exchange system for small-sized sealing chamber described in the utility model, including filling exhaust unit, new gas inflation unit and control unit 12, the described exhaust unit that fills includes annular seal space 1, flexible air-bag 2, aerating device 3, air bag retraction mechanism 4, air bag storage device 5 and exhaustor 6, described annular seal space 1 arranges sealed container door, exhaust vent 11 and new gas inlet, air bag retraction mechanism 4 is installed and for receiving the air bag storage device of flexible air-bag in the top of described annular seal space 1, described flexible air-bag is arranged on described air bag retraction mechanism 4, described flexible air-bag 2 is connected with the aerating device 3 being arranged in outside annular seal space by airbag aeration connecting tube 7；One end of described exhaustor 6 seals with the air vent of described annular seal space 1 and connects, and the adapter 61 of the other end is connected with the gas purity analyser of external exhaust gas outlet and control unit respectively by trachea connector 62；The gas cylinder 8 of described new gas inflation unit connects with described annular seal space 1 by protecting gas air inlet pipe 81；Described control unit includes gas purity analyser 9, voltage regulation component 10 and power bus, and described voltage regulation component 10 and the control end of described aerating device 3 are electrically connected, and the feeder ear power line of described aerating device 3 and described power bus are electrically connected。
Described air bag retraction mechanism 4 is arranged on one of them drift angle place of annular seal space。
Described air bag storage device 5 includes fixture and collecting part, described collecting part is arranged near the drift angle of the described annular seal space arranging air bag retraction mechanism by fixture, the incorporating section of described collecting part and the sidewall of described annular seal space, top board surround the space for receiving flexible air-bag jointly, and leave the gap for flexible air-bag turnover between collecting part and the sidewall of annular seal space。
Described collecting part is flap, wherein flap includes the binding face for being fitted in annular seal space top board and for stopping the barrier plate of flexible air-bag, the turning point of described flap is hinged on inside described annular seal space by fixture, and the bottom of described barrier plate is formed to the annular seal space sidewall slope of homonymy and closes up。
The end of described exhaustor 6 is by gas-tpe fitting 64 and external exhaust gas outlet, and the end of described exhaustor 6 is furnished with waste gas outlet air valve 63。
Described trachea connector 62 is threeway, first head end of described trachea connector is connected with described exhaustor 6 by adapter 61, second head end of trachea connector connects with exhaust branch pipe, the 3rd head end of trachea connector and the air inlet pipeline connection of gas purity analyser。
Described aerating device 3 is air pump。
Described flexible air-bag 2 is the sealing bag of compressible expansion。
Described voltage regulation component 10 can adopt the effusion meter for controlling aerating device flow, it is possible to for having regulator or the air valve of said function。
Described new gas refers to: the gas that required swap-in goes, for instance: the air displacement within originally is become nitrogen, then nitrogen is exactly new gas, if being replaced as argon, that argon is exactly new gas。
Embodiment 2 utilizes the air exchanging method of the air exchange system for small-sized sealing chamber described in embodiment 1, comprises the following steps:
1) preparing before experiment: open annular seal space door, complete to test front preparation, close chamber door, then carry out filling aerofluxus to reach ventilation effect, external power source connected by power bus joint, and the new gas inlet union of the gas cylinder of new gas inflation unit is connected with the new gas bottle in outside；
2) voltage regulation component is regulated so that gas generator for air bag is started working so that flexible air-bag expands；3) treat that flexible air-bag is full and close voltage regulation component afterwards; Guan Bi waste gas outlet air valve; open the valve of the gas cylinder of outside new gas inflation unit; by protecting gas air inlet pipe to carry new gas to enter annular seal space; by air bag retraction mechanism, because pulling force and gas pressure effect make air bag finally be compressed in air bag storage device；
4) waste gas outlet air valve is opened; open gas purity analyser; new gas concentration in detection trachea is the new Gas content of annular seal space; waste gas outlet air valve is closed after reaching required job requirement; complete new gas atmosphere protection effect; if new Gas content is not up to requiring, the repeat the above steps gas that tries again fills aerofluxus。
Content described in this specification embodiment is only enumerating of the way of realization to utility model design; protection domain of the present utility model is not construed as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model also include those skilled in the art according to this utility model design it is conceivable that equivalent technologies means。
Claims (8)
1. for the air exchange system in small-sized sealing chamber, it is characterized in that: include filling exhaust unit, new gas inflation unit and control unit, the described exhaust unit that fills includes annular seal space, flexible air-bag, aerating device, air bag retraction mechanism, air bag storage device and exhaustor, described annular seal space arranges sealed container door, exhaust vent and new gas inlet, air bag retraction mechanism is installed and for receiving the air bag storage device of flexible air-bag in the top of described annular seal space, described flexible air-bag is arranged on described air bag retraction mechanism, described flexible air-bag is connected with the aerating device being arranged in outside annular seal space by airbag aeration connecting tube；One end of described exhaustor seals with the air vent of described annular seal space and connects, and the adapter of the other end is connected with the gas purity analyser of external exhaust gas outlet and control unit respectively by trachea connector；The gas cylinder of described new gas inflation unit connects with described annular seal space by protecting gas air inlet pipe；Described control unit includes the control end of gas purity analyser, voltage regulation component and power bus, described voltage regulation component and described aerating device and is electrically connected, and the feeder ear power line of described aerating device and described power bus are electrically connected。
2. the air exchange system for small-sized sealing chamber as claimed in claim 1, it is characterised in that: described air bag retraction mechanism is arranged on one of them drift angle place of annular seal space。
3. the air exchange system for small-sized sealing chamber as claimed in claim 2, it is characterized in that: described air bag storage device includes fixture and collecting part, described collecting part is arranged near the drift angle of the described annular seal space arranging air bag retraction mechanism by fixture, the incorporating section of described collecting part and the sidewall of described annular seal space, top board surround the space for receiving flexible air-bag jointly, and leave the gap for flexible air-bag turnover between collecting part and the sidewall of annular seal space。
4. the air exchange system for small-sized sealing chamber as claimed in claim 3, it is characterized in that: described collecting part is flap, wherein flap includes the binding face for being fitted in annular seal space top board and for stopping the barrier plate of flexible air-bag, the turning point of described flap is hinged on inside described annular seal space by fixture, and the bottom of described barrier plate is formed to the annular seal space sidewall slope of homonymy and closes up。
5. the air exchange system for small-sized sealing chamber as claimed in claim 1, it is characterised in that: the end of described exhaustor is by gas-tpe fitting and external exhaust gas outlet, and the end of described exhaustor is furnished with waste gas outlet air valve。
6. the air exchange system for small-sized sealing chamber as claimed in claim 5, it is characterized in that: described trachea connector is threeway, first head end of described trachea connector is connected with described exhaustor by adapter, second head end of trachea connector connects with exhaust branch pipe, the 3rd head end of trachea connector and the air inlet pipeline connection of gas purity analyser。
7. the air exchange system for small-sized sealing chamber as claimed in claim 1, it is characterised in that: described aerating device is air pump。
8. the air exchange system for small-sized sealing chamber as claimed in claim 5, it is characterised in that: described flexible air-bag is the sealing bag of compressible expansion。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097488.0U CN205333600U (en) | 2015-12-24 | 2015-12-24 | A air exchange system for small -size sealed chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097488.0U CN205333600U (en) | 2015-12-24 | 2015-12-24 | A air exchange system for small -size sealed chamber |
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| Publication Number | Publication Date |
|---|---|
| CN205333600U true CN205333600U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521097488.0U Active CN205333600U (en) | 2015-12-24 | 2015-12-24 | A air exchange system for small -size sealed chamber |
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| Country | Link |
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| CN (1) | CN205333600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424893A (en) * | 2015-12-24 | 2016-03-23 | 浙江工业大学 | Air renewing system used for small-size sealing chamber and air renewing method therefor |
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2015
- 2015-12-24 CN CN201521097488.0U patent/CN205333600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424893A (en) * | 2015-12-24 | 2016-03-23 | 浙江工业大学 | Air renewing system used for small-size sealing chamber and air renewing method therefor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |