CN206842177U - A kind of wastewater treatment equipment for production of polysilicon - Google Patents
A kind of wastewater treatment equipment for production of polysilicon Download PDFInfo
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- CN206842177U CN206842177U CN201720799709.1U CN201720799709U CN206842177U CN 206842177 U CN206842177 U CN 206842177U CN 201720799709 U CN201720799709 U CN 201720799709U CN 206842177 U CN206842177 U CN 206842177U
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- waste water
- water tank
- polysilicon
- production
- wastewater treatment
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Abstract
It the utility model is related to polysilicon manufacturing technology field, and in particular to a kind of wastewater treatment equipment for production of polysilicon, it includes:First waste water tank, the second waste water tank and connecting tube；First waste water tank is connected with the second waste water tank by connecting tube；One end of connecting tube is connected to the bottom of the first waste water tank, other end connection and the bottom of the second waste water tank；Connecting tube has the lug boss to arch upward upwards；First waste water tank is uncovered structure；Second waste water tank is sealing structure；Air inlet pipe, blast pipe and discharge outlet are provided with second waste water tank；Air inlet pipe connects with the second waste water tank；Blast pipe connects with the second waste water tank；Water sealed tank is provided with blast pipe；Discharge outlet is arranged on the bottom of the second waste water tank, for discharging or extracting out waste water.The utility model is mainly used in preventing oxygen from entering the second closed waste water tank, increases the security of the second waste water tank.
Description
Technical field
It the utility model is related to polysilicon manufacturing technology field, more particularly to a kind of wastewater treatment for production of polysilicon
Device.
Background technology
Using in the technical process of improved Siemens production polysilicon, it is necessary to waste water is temporarily stored in waste water tank,
To treat next PROCESS FOR TREATMENT.Alkaline waste water is easily chemically reacted with the silica flour in waste water, and hydrogen is produced in waste water tank.If
There is oxygen to enter waste water tank, then it is quick-fried that sudden strain of a muscle may occur in the presence of electrostatic.
At present, the waste water in trench is all to be taken out by water pump into closed waste water tank, but extracts waste water in water pump
During, when the liquid level of trench waste water is too low, water pump will be easily pumped into waste water tank entrainment of the waste water of air, so that oxygen
Mixed with the hydrogen in waste water tank, there is the risk exploded under electrostatic interaction.
Utility model content
In view of this, the utility model provides a kind of wastewater treatment equipment for production of polysilicon, and main purpose is
Prevent oxygen from entering closed waste water tank, increase the security of closed waste water tank.
To reach above-mentioned purpose, the utility model mainly provides following technical scheme：
Embodiment of the present utility model provides a kind of wastewater treatment equipment for production of polysilicon, including:First waste water
Tank, the second waste water tank and connecting tube；
First waste water tank is connected with second waste water tank by the connecting tube；
One end of the connecting tube is connected to the bottom of first waste water tank, other end connection and second waste water tank
Bottom；
The connecting tube has the lug boss to arch upward upwards；
First waste water tank is uncovered structure；
Second waste water tank is sealing structure；
Air inlet pipe, blast pipe and discharge outlet are provided with second waste water tank；
The air inlet pipe connects with second waste water tank, for inputting nitrogen to second waste water tank；
The blast pipe connects with second waste water tank, for discharging the mixed gas in second waste water tank；
Water sealed tank is provided with the blast pipe, for stablizing the pressure in second waste water tank；
The discharge outlet is arranged on the bottom of second waste water tank, for discharging or extracting out waste water；
When injecting waste water to first waste water tank, when the waste water in first waste water tank is highly higher than the projection
Portion, and after overcoming the pressure in second waste water tank, second waste water tank is entered by the connecting tube.
Further, the lug boss is inverted " u "-shaped.
Further, the lug boss is the circular arc to raise up.
Further, pressure gauge is provided with second waste water tank, for detecting the air pressure in second waste water tank.
Further, the pressure gauge is distance-transmission pressure gauge.
Further, it is connected with draining pump in the discharge outlet.
Further, in addition to：Control system；
The control system is connected with the pressure gauge and the draining pump respectively；When the pressure gauge reaches preset value
When, the control system controls the draining pump to start or stop.
Further, second waste water tank is multiple；Communicating pipe is provided between multiple second waste water tanks；It is described
The top of second waste water tank is arranged on communicating pipe, for balancing the pressure in multiple second waste water tanks.
Further, it is provided with water inlet pipe in first waste water tank；The water inlet pipe connects with first waste water tank,
Enter first waste water tank for waste water.
Further, the water inlet pipe is multiple.
By above-mentioned technical proposal, the utility model is used for the wastewater treatment equipment of production of polysilicon at least with following excellent
Point：
A kind of wastewater treatment equipment for production of polysilicon, including:First waste water tank, the second waste water tank and connecting tube；
First waste water tank is connected with the second waste water tank by connecting tube；One end of connecting tube is connected to the bottom of the first waste water tank, another
End connection and the bottom of the second waste water tank；Connecting tube has the lug boss to arch upward upwards；First waste water tank is uncovered structure；Second
Waste water tank is sealing structure；When injecting waste water to the first waste water tank, when the waste water in the first waste water tank is highly higher than lug boss,
And after overcoming pressure in the second waste water tank, waste water could enter the second waste water tank by connecting tube.It is useless in first waste water tank
Water could flow into the second waste water tank after must reaching a certain height, and have lug boss in connecting tube, can effectively avoid oxygen
By the security of the second waste water tank of increase.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram for wastewater treatment equipment for production of polysilicon that the utility model embodiment provides.
Shown in figure：
1 is water inlet pipe, and 2 be the first waste water tank, and 3 be air inlet pipe, and 4 be water sealed tank, and 5 be blast pipe, and 6 be the second waste water tank, 7
It is connecting tube for discharge outlet, 8,9 be lug boss.
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model taken,
Below in conjunction with accompanying drawing and preferred embodiment, to embodiment, structure, feature and its work(according to the present utility model application
Effect, describe in detail as after.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same implementation
Example.In addition, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
As shown in figure 1, a kind of wastewater treatment for production of polysilicon that one embodiment of the present utility model proposes fills
Put, including:First waste water tank 2, the second waste water tank 6 and connecting tube 8；First waste water tank 2 and the second waste water tank 6 pass through connecting tube 8
Connection；One end of connecting tube 8 is connected to the bottom of the first waste water tank 2, other end connection and the bottom of the second waste water tank 6, will
First waste water tank 2 connects with the waste water of 6 relatively low liquid level of the second waste water tank, the waste water energy of the middle and lower part of the first waste water tank 2 is passed through company
Adapter 8 is flowed into the second waste water tank 6.Connecting tube 8 has the lug boss 9 to arch upward upwards；The height of the preferred lug boss 9 of the present embodiment
For 1.5m.
First waste water tank 2 is uncovered structure, and for accommodating waste water, waste water is transitted into the second waste water tank 6.
Second waste water tank 6 is sealing structure, for temporarily depositing composite waste.Air inlet pipe is provided with second waste water tank 6
3rd, blast pipe 5 and discharge outlet 7；Air inlet pipe 3 connects with the second waste water tank 6, for inputting nitrogen to the second waste water tank 6, to prevent
The mixed gas of hydrogen-rich, hydrogen and nitrogen is vented into water sealed tank 4.
Blast pipe 5 connects with the second waste water tank 6, for discharging the mixed gas in the second waste water tank 6；Set on blast pipe 5
Water sealed tank 4 is equipped with, for stablizing the pressure of the second waste water tank 6, prevents the second waste water tank 6 to be pumped into negative pressure；The preferred water of the present embodiment
The water seal height 800mm of sealed cans 4, the pressure of the second waste water tank 6 is maintained in 8KPa or so.
Due to being provided with 1.5 meters high of lug boss 9 between the first waste water tank 2 and the second waste water tank 6, moreover, the second waste water tank 6
Inside there is 8KPa pressure, the waste water in the first waste water tank 2 is needed the liquid level higher than 2.3 meters, pressure difference could be relied on to be pressed into waste water
Second waste water tank 6, less than 2.3 meters after be automatically stopped, reach isolation oxygen purpose.
Discharge outlet 7 is arranged on the bottom of the second waste water tank 6, for discharging or extracting out waste water, waste water is led into next
PROCESS FOR TREATMENT.When injecting waste water to the first waste water tank 2, when the waste water in the first waste water tank 2 is highly higher than lug boss 9, and overcome
After pressure in second waste water tank 6, the second waste water tank 6 is entered by connecting tube 8.
A kind of wastewater treatment equipment for production of polysilicon, including:First waste water tank 2, the second waste water tank 6 and connecting tube
8；First waste water tank 2 is connected with the second waste water tank 6 by connecting tube 8；One end of connecting tube 8 is connected under the first waste water tank 2
Portion, other end connection and the bottom of the second waste water tank 6；Connecting tube 8 has the lug boss 9 to arch upward upwards；First waste water tank 2 is spacious
Mouth structure；Second waste water tank 6 is sealing structure；When injecting waste water to the first waste water tank 2, the waste water in the first waste water tank 2
Highly it is higher than lug boss 9, and after overcoming the pressure in the second waste water tank 6, waste water could pass through connecting tube 8 and enter the second waste water tank
6.Waste water in first waste water tank 2 could flow into the second waste water tank 6 after must reaching a certain height, and have in connecting tube 8
Lug boss 9, oxygen can be effectively avoided to pass through the security of the second waste water tank 6 of increase.
As the preferred of above-described embodiment, lug boss 9 is inverted " u "-shaped, and certainly, lug boss 9 can also raise up
Circular arc.
As the preferred of above-described embodiment, pressure gauge (not shown) is provided with the second waste water tank 6, for detecting the
Air pressure in two waste water tanks 6, is easy to observe and controls.
As the preferred of above-described embodiment, pressure gauge is distance-transmission pressure gauge, convenient long-range monitoring and control.The present embodiment is excellent
The range for selecting distance-transmission pressure gauge is -50~50KPa.
As the preferred of above-described embodiment, draining pump is connected with discharge outlet 7, it is useless in the second waste water tank 6 for extracting
Water.
As the preferred of above-described embodiment, a kind of wastewater treatment equipment for production of polysilicon, in addition to：Control system
System；Control system is connected with pressure gauge and draining pump respectively；When pressure gauge reaches preset value, control system control draining pump opens
Dynamic or stopping.In practical operation, when the hypotony in the second waste water tank 6, control system control draining pump is stopped,
The liquid level of the second waste water tank 6 is avoided to decline too fast and be pumped into negative pressure, it is malleation to maintain all the time in the second waste water tank 6, and such oxygen is not
Second waste water tank 6 can be entered by water sealed tank 4.
As the preferred of above-described embodiment, the second waste water tank 6 is multiple；Connection is provided between multiple second waste water tanks 6
Pipe；The top of the second waste water tank 6 is arranged on communicating pipe, for balancing the pressure in multiple second waste water tanks 6.Given up when one second
Liquid level decline in water pot 6 is too fast, and when pressure reduces, remaining second waste water tank 6 can supplement pressure to it rapidly, prevent from being pumped into
Negative pressure；Or after the full liquid of second waste water tank 6, it can also prevent from building the pressure by communicating pipe to other pressure releases of second waste water tank 6
Damage equipment.
As the preferred of above-described embodiment, water inlet pipe 1 is provided with the first waste water tank 2；The waste water tank 2 of water inlet pipe 1 and first
Connection, enters the first waste water tank 2 for waste water, and further, water inlet pipe 1 is multiple, enters the first waste water for multichannel waste water
Tank 2.
Further illustrate, although the grade of term first, second can be used for describing various elements herein, these arts
Language should in no way limit these elements.These terms are only used for one element of difference and another element.For example, the first element can be by
Referred to as the second element, also, similarly, the second element can be referred to as the first element, and these terms are only used for distinguishing a member
Part and another element.This scope without departing from exemplary embodiment.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, any simple modification, equivalent change and modification made to above example according to the technical essence of the utility model,
In the range of still falling within technical solutions of the utility model.
Claims (10)
- A kind of 1. wastewater treatment equipment for production of polysilicon, it is characterised in that including:First waste water tank, the second waste water tank And connecting tube；First waste water tank is connected with second waste water tank by the connecting tube；One end of the connecting tube is connected to the bottom of first waste water tank, under other end connection and second waste water tank Portion；The connecting tube has the lug boss to arch upward upwards；First waste water tank is uncovered structure；Second waste water tank is sealing structure；Air inlet pipe, blast pipe and discharge outlet are provided with second waste water tank；The air inlet pipe connects with second waste water tank, for inputting nitrogen to second waste water tank；The blast pipe connects with second waste water tank, for discharging the mixed gas in second waste water tank；Water sealed tank is provided with the blast pipe, for stablizing the pressure in second waste water tank；The discharge outlet is arranged on the bottom of second waste water tank, for discharging or extracting out waste water；When injecting waste water to first waste water tank, when the waste water in first waste water tank is highly higher than the lug boss, and After overcoming the pressure in second waste water tank, second waste water tank is entered by the connecting tube.
- 2. the wastewater treatment equipment according to claim 1 for production of polysilicon, it is characterised in thatThe lug boss is inverted " u "-shaped.
- 3. the wastewater treatment equipment according to claim 1 for production of polysilicon, it is characterised in thatThe lug boss is the circular arc to raise up.
- 4. the wastewater treatment equipment according to claim 1 for production of polysilicon, it is characterised in thatPressure gauge is provided with second waste water tank, for detecting the air pressure in second waste water tank.
- 5. the wastewater treatment equipment according to claim 4 for production of polysilicon, it is characterised in thatThe pressure gauge is distance-transmission pressure gauge.
- 6. the wastewater treatment equipment according to claim 5 for production of polysilicon, it is characterised in thatDraining pump is connected with the discharge outlet.
- 7. the wastewater treatment equipment according to claim 6 for production of polysilicon, it is characterised in that also include：Control System；The control system is connected with the pressure gauge and the draining pump respectively；When the pressure gauge reaches preset value, institute Stating control system controls the draining pump to start or stop.
- 8. the wastewater treatment equipment according to claim 1 for production of polysilicon, it is characterised in thatSecond waste water tank is multiple；Communicating pipe is provided between multiple second waste water tanks；The communicating pipe is arranged on The top of second waste water tank, for balancing the pressure in multiple second waste water tanks.
- 9. the wastewater treatment equipment according to claim 1 for production of polysilicon, it is characterised in thatWater inlet pipe is provided with first waste water tank；The water inlet pipe connects with first waste water tank, enters for waste water First waste water tank.
- 10. the wastewater treatment equipment according to claim 9 for production of polysilicon, it is characterised in thatThe water inlet pipe is multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720799709.1U CN206842177U (en) | 2017-06-30 | 2017-06-30 | A kind of wastewater treatment equipment for production of polysilicon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720799709.1U CN206842177U (en) | 2017-06-30 | 2017-06-30 | A kind of wastewater treatment equipment for production of polysilicon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206842177U true CN206842177U (en) | 2018-01-05 |
Family
ID=60804425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720799709.1U Active CN206842177U (en) | 2017-06-30 | 2017-06-30 | A kind of wastewater treatment equipment for production of polysilicon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206842177U (en) |
-
2017
- 2017-06-30 CN CN201720799709.1U patent/CN206842177U/en active Active
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