CN208097611U - Low pressure spreads tail gas collecting device - Google Patents
Low pressure spreads tail gas collecting device Download PDFInfo
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- CN208097611U CN208097611U CN201820383067.1U CN201820383067U CN208097611U CN 208097611 U CN208097611 U CN 208097611U CN 201820383067 U CN201820383067 U CN 201820383067U CN 208097611 U CN208097611 U CN 208097611U
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- bottle
- outlet side
- air inlet
- pipeline connection
- tail gas
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- Treating Waste Gases (AREA)
Abstract
The utility model provides a kind of low pressure diffusion tail gas collecting device, it is connected to crystal reaction tube outlet side, pressure monitor module, waste collection bottle including successively pipeline connection, condensing bulb, high-precision filter, high-precision filter outlet side are controlled to a vacuum pump, and vacuum pump outlet side and acid row connect；Waste collection bottle is the bottle body that inner hollow has cavity, poroid quartz filler is filled in bottle body, bottle body, which corresponds to above poroid quartz filler, has air inlet, air inlet and pressure monitor module outlet side pipeline connection, bleeding point and condensing bulb air inlet pipeline connection with bleeding point, lower section.The utility model can be to metaphosphoric acid centralized collection, metaphosphoric acid is avoided to crystallize or result in blockage in last row system pipeline as far as possible, pressure monitor module is used simultaneously, real time monitoring effect can be improved, increase the stability of last row system, extend maintenance period, improve equipment operation rate and extends the service life of corresponding accessory in last row system.
Description
Technical field
The utility model relates to the last row systems technology fields of photovoltaic cell process units more particularly to a kind of low pressure to spread
Tail gas collecting device.
Background technique
Low pressure diffusion is a kind of diffusion way by improving boiler tube air-tightness, increasing vacuum system realization, vacuum system
Low-pressure atmosphere is provided, to increase phosphorus oxychloride molecule mean free path, it is fine and close to improve diffusion uniformity, stability and film forming
Property；By low pressure diffusion technique, uniform p-n structure can be obtained, is easier to realize shallow junction high square resistance diffusion technique, promotes battery
Transfer efficiency improves single tube production capacity, reduces manufacturing cost.
Existing low pressure diffusion collection mode is to carry out exhaust extraction using vacuum pump, and be thrown into sour heat-extraction system, path
For crystal reaction tube → Z-type pipe → condensing bulb → high-precision filter → vacuum pump → acid row.Existing air suction mode is cooling because of exhaust gas
After will form liquid or solid metaphosphoric acid, easily blocking last row system pipeline, maintenance period is short (within 1 week), affects and sets
Standby Homes Using TV.The modular pressure of control boiler tube is in last row system, in last row system jams, is affected to boiler tube reality
The monitoring of pressure condition, also produces adverse effect to technique.Metaphosphoric acid has extremely strong corrosivity, and to vacuum pump etc., other are attached
Part causes influence, shortens the service life of last row system.
Utility model content
The technical problems to be solved in the utility model is：In order to overcome the deficiency of the prior art, the utility model provides one
Kind can avoid as far as possible metaphosphoric acid from crystallizing or result in blockage in last row system pipeline metaphosphoric acid centralized collection, improve pressure prison
The real time monitoring effect of module is controlled, the stability of last row system is increased, extends maintenance period, improve equipment operation rate and extends tail
The low pressure of the service life of corresponding accessory spreads tail gas collecting device in heat-extraction system.
Technical solution adopted by the utility model to solve its technical problems is：A kind of low pressure diffusion tail gas collecting device,
Pumping process is carried out to boiler tube outlet side tail gas using vacuum pump, is connected to crystal reaction tube outlet side, including successively pipeline joins
Logical pressure monitor module, waste collection bottle, condensing bulb, high-precision filter, the high-precision filter outlet side and vacuum pump connect
It connects, the vacuum pump outlet side and acid row connect；The waste collection bottle is the bottle body that inner hollow has cavity, the bottle
It is filled with poroid quartz filler in vivo, the bottle body, which corresponds to above poroid quartz filler, has air inlet with bleeding point, lower section,
The air inlet and pressure monitor module outlet side pipeline connection, bleeding point and condensing bulb air inlet pipeline connection.Exhaust gas discharge
Time limit comes into full contact with and precools with poroid quartz filler by waste collection bottle and the intracorporal poroid quartz filler of bottle, exhaust gas,
Metaphosphoric acid is collected, and ensure that the usual and clean of subsequent last row system.
Further, for the ease of poroid quartz filler preferably centralized collection metaphosphoric acid, bottle body inner wall is fixed with bottle
Body internal cavity is divided into bilevel hollow clapboard, and the poroid quartz filler is seated on hollow clapboard, the air inlet
Mouth is located at below hollow clapboard.When exhaust gas is discharged, exhaust gas and poroid quartz filler are come into full contact with down, form the metaphosphoric acid quilt of liquid
Collect the lower layer in waste collection bottle.
Further, hollow clapboard is hexagon hollow clapboard.The hollow clapboard stability of hexagonal design is high, favorably
In the steady in a long-term unobstructed of maintenance last row system.
Preferably, condensing bulb is the cooling bottle in labyrinth, the cooling bottle in the labyrinth include body and with body pipeline connection and from
The helix tube of body outer wall, the helix tube inlet end and waste collection bottle bleeding point pipeline connection are spirally coiled under,
The helix tube outlet side is connected to body inner cavity, is provided with gas outlet, the gas outlet and high-precision filter at the top of the body
Air inlet pipeline connection.The exhaust gas being discharged from waste collection bottle, after the helix tube using maze design is fully cooled, into
Enter high-precision filter to be filtered.
The utility model has the beneficial effects that low pressure provided by the utility model spreads tail gas collecting device, pass through waste liquid
Receiving flask can avoid as far as possible metaphosphoric acid from crystallizing or result in blockage in last row system pipeline, adopt simultaneously to metaphosphoric acid centralized collection
With pressure monitor module, real time monitoring effect can be improved, increase the stability of last row system, extend maintenance period, improve equipment
Homes Using TV and the service life for extending corresponding accessory in last row system.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model optimum embodiment.
Fig. 2 is the sectional view of waste collection bottle in the utility model optimum embodiment.
Fig. 3 is the plan view of hollow clapboard in the utility model optimum embodiment.
1, vacuum pump 2, crystal reaction tube 3, pressure monitor module 4, waste collection bottle 5, bottle body 6, poroid stone in figure
English filler 7, bleeding point 8, air inlet 9, hollow clapboard 10, body 11, helix tube 12, high-precision filter 13, acid row
14, condensing bulb.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
A kind of low pressure as shown in Figure 1 to Figure 3 spreads tail gas collecting device, is the utility model optimum embodiment, utilizes
Vacuum pump 1 carries out pumping process to boiler tube outlet side tail gas, is connected to 2 outlet side of crystal reaction tube, including successively pipeline connection
Pressure monitor module 3, waste collection bottle 4, condensing bulb 14, high-precision filter 12.12 outlet side of high-precision filter and true
1 connection of sky pump, 1 outlet side of vacuum pump are connect with acid row 13.Furnace overpressure position negative pressure in low pressure diffusion, pressure monitor mould
Block 3 is commercially available conventional fitment.
Waste collection bottle 4 is the bottle body 5 that inner hollow has cavity, is filled with poroid quartz filler 6 in the bottle body 5,
There is air inlet 8 with bleeding point 7, lower section above the corresponding poroid quartz filler 6 of the bottle body 5, the air inlet 8 is supervised with pressure
Control 3 outlet side pipeline connection of module, bleeding point 7 and 14 air inlet of condensing bulb, 8 pipeline connection.The time limit is discharged by waste liquid receipts in exhaust gas
Collect the poroid quartz filler 6 in bottle 4 and bottle body 5, exhaust gas comes into full contact with and precools with poroid quartz filler 6, and metaphosphoric acid is received
Collection, ensure that the usual and clean of subsequent last row system.
For the ease of poroid quartz filler 6 preferably centralized collection metaphosphoric acid, 5 inner wall of bottle body is fixed with will be inside bottle body 5
Cavity is divided into bilevel hollow clapboard 9, and the poroid quartz filler 6 is seated on hollow clapboard 9, the air inlet 8
Positioned at 9 lower section of hollow clapboard.Hollow clapboard 9 is hexagon hollow clapboard 9.9 stability of hollow clapboard of hexagonal design is high, has
Conducive to the steady in a long-term unobstructed of maintenance last row system.When exhaust gas is discharged, exhaust gas and poroid quartz filler 6 are come into full contact with down, are formed
The metaphosphoric acid of liquid is collected in the lower layer of waste collection bottle 4.
Condensing bulb 14 is the cooling bottle in labyrinth, and the cooling bottle in labyrinth includes body 10 and with 10 pipeline connection of body and from top to bottom
It is spirally coiled in the helix tube 11 of 10 outer wall of body, 11 inlet end of helix tube and 4 bleeding point of waste collection bottle, 7 pipeline connect
Logical, 11 outlet side of helix tube is connected to 10 inner cavity of body, and gas outlet, the gas outlet and height are provided at the top of the body 10
12 air inlet of fine filter, 8 pipeline connection.The exhaust gas being discharged from waste collection bottle 4, by the helix tube using maze design
After 11 are fully cooled, it is filtered into high-precision filter 12.
During last row, the exhaust gas of 2 outlet side of crystal reaction tube enters waste collection bottle 4 by pressure monitor module 3
Bottom comes into full contact with and precools with poroid quartz filler 6 in waste collection bottle 4, and the metaphosphoric acid for forming liquid is collected in
The lower layer of waste collection bottle 4, then the exhaust gas by filtering is cold from 4 top bleeding point 7 of waste collection bottle into the cooling bottle in labyrinth
But it is then filtered by high-precision filter 12, and is extracted out by vacuum pump 1 and be discharged by acid row 13.
In last row system, waste collection bottle 4 is increased newly, with original last row system compatible.It can be in original last row system
It is added, improvement cost is smaller.Using 4 pairs of metaphosphoric acid centralized collections of waste collection bottle, the clean of last row system pipeline is improved
Cleanliness reduces corrosion of the metaphosphoric acid to the corresponding accessory of last row system, improves the service life of last row system.It is improved
Last row system, last row maintenance time effectively extend, and extend to 1 to 2 months less than 1 week by primitive period, and easy to maintain, when maintenance
Waste liquid bottle only need to be cleaned, effectively increases equipment operation rate.In addition, also ensuring that last row pipe-line system is unobstructed for a long time, really
Packing pressure monitoring module 3 detects the stability for accurately improving equipment operation.
The low pressure diffusion tail gas collecting device being designed in this way, can be to metaphosphoric acid centralized collection, as far as possible by waste collection bottle 4
It avoids metaphosphoric acid from crystallizing or result in blockage in last row system pipeline, while using pressure monitor module 3, real time monitoring can be improved
Effect increases the stability of last row system, extends maintenance period, improves equipment operation rate and extends corresponding accessory in last row system
Service life.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (4)
1. a kind of low pressure spreads tail gas collecting device, pumping process is carried out to boiler tube outlet side tail gas using vacuum pump (1), it is special
Sign is：It is connected to crystal reaction tube (2) outlet side, including the pressure monitor module (3) of successively pipeline connection, waste collection bottle
(4), condensing bulb (14), high-precision filter (12), high-precision filter (12) outlet side are connect with vacuum pump (1), described true
Sky pump (1) outlet side is connect with acid row (13)；The waste collection bottle (4) is the bottle body (5) that inner hollow has cavity, institute
It states and is filled with poroid quartz filler (6) in bottle body (5), there is bleeding point above the corresponding poroid quartz filler (6) of the bottle body (5)
(7), lower section has air inlet (8), the air inlet (8) and pressure monitor module (3) outlet side pipeline connection, bleeding point (7)
With condensing bulb (14) air inlet pipeline connection.
2. low pressure as described in claim 1 spreads tail gas collecting device, it is characterised in that：Described bottle body (5) inner wall is fixed
Have and be divided into bottle body (5) internal cavity bilevel hollow clapboard (9), the poroid quartz filler (6) is seated in hollow
On partition (9), the air inlet (8) is located at below hollow clapboard (9).
3. low pressure as claimed in claim 2 spreads tail gas collecting device, it is characterised in that：The hollow clapboard (9) is six
Angular hollow clapboard.
4. low pressure as described in claim 1 spreads tail gas collecting device, it is characterised in that：The condensing bulb (14) is labyrinth
Cooling bottle, the cooling bottle in the labyrinth include body (10) and are spirally coiled in body with body (10) pipeline connection and from top to bottom
The helix tube (11) of outer wall, helix tube (11) inlet end and waste collection bottle (4) bleeding point (7) pipeline connection, the spiral shell
Coil (11) outlet side is connected to body (10) inner cavity, is provided with gas outlet at the top of the body (10), the gas outlet with it is high-precision
Filter (12) air inlet pipeline connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820383067.1U CN208097611U (en) | 2018-03-20 | 2018-03-20 | Low pressure spreads tail gas collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820383067.1U CN208097611U (en) | 2018-03-20 | 2018-03-20 | Low pressure spreads tail gas collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208097611U true CN208097611U (en) | 2018-11-16 |
Family
ID=64121651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820383067.1U Active CN208097611U (en) | 2018-03-20 | 2018-03-20 | Low pressure spreads tail gas collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208097611U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111616649A (en) * | 2020-06-02 | 2020-09-04 | 曾华 | Removal robot of sweeping floor that integrated has intelligent air purifier |
| CN113617153A (en) * | 2021-08-25 | 2021-11-09 | 北京中航天业科技有限公司 | High-efficient phase transition dust removal defogging system |
| CN113941220A (en) * | 2021-10-13 | 2022-01-18 | 唐宁 | Water-containing metaphosphoric acid dryer |
| CN114797370A (en) * | 2022-05-12 | 2022-07-29 | 横店集团东磁股份有限公司 | Diffusion tail gas treatment device and method |
-
2018
- 2018-03-20 CN CN201820383067.1U patent/CN208097611U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111616649A (en) * | 2020-06-02 | 2020-09-04 | 曾华 | Removal robot of sweeping floor that integrated has intelligent air purifier |
| CN113617153A (en) * | 2021-08-25 | 2021-11-09 | 北京中航天业科技有限公司 | High-efficient phase transition dust removal defogging system |
| CN113941220A (en) * | 2021-10-13 | 2022-01-18 | 唐宁 | Water-containing metaphosphoric acid dryer |
| CN114797370A (en) * | 2022-05-12 | 2022-07-29 | 横店集团东磁股份有限公司 | Diffusion tail gas treatment device and method |
| CN114797370B (en) * | 2022-05-12 | 2024-01-19 | 横店集团东磁股份有限公司 | Diffusion tail gas treatment device and method |
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