CN203408584U - Acid wastewater conveying device in tail gas leaching system - Google Patents
Acid wastewater conveying device in tail gas leaching system Download PDFInfo
- Publication number
- CN203408584U CN203408584U CN201320426543.0U CN201320426543U CN203408584U CN 203408584 U CN203408584 U CN 203408584U CN 201320426543 U CN201320426543 U CN 201320426543U CN 203408584 U CN203408584 U CN 203408584U
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- Prior art keywords
- pump
- conveying device
- washing tower
- inlet
- acid wastewater
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- Expired - Fee Related
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Abstract
The utility model relates to an acid wastewater conveying device in a tail gas leaching system, which comprises a washing tower, a washing tower leacheate inlet, a washing tower inlet, a pump outlet, a pump inlet, a pump body, a water tank, a fixing steel plate, a shaft and a motor. The washing tower is respectively provided with the washing tower leacheate inlet and the washing tower inlet; the pump body is fixedly arranged on the water tank by the fixing steel plate; the pump outlet of the pump body is connected to the washing tower leacheate inlet; the pump body is a submerged pump. The acid wastewater conveying device has the following advantages that 1, the acid wastewater conveying device has excellent wear resistance, impact resistance and corrosion resistance; 2, the pump body is submerged under the liquid level, and the acid wastewater conveying device has strong capacity of conveying high-concentration liquid and particle liquid; 3, the submerged pump is arranged right above the acid water tank so as to avoid the problem of environmental sanitation caused by overflowing and dripping leakage; 4, the acid wastewater conveying device does not additionally occupy the area so as to reduce infrastructure investment.
Description
One, technical field
The utility model relates to the conveying device of acid waste water in a kind of tail gas elution circuit, has guaranteed the stable operation of system, and it belongs to field polysilicon.
Two, background technology
At present, in field of polysilicon production, most of TCS synthesis technique all adopts hot hydrogenation technology, and it can produce the waste gas with silica flour and chlorosilane cpd in process of production.And these waste gas generally all adopt wet method to process, with scrubbing tower, waste gas is carried out to drip washing, reached the requirement of clean environment firendly.And the delivery pump of drip washing liquid generally all adopts magnetic drive pump or self priming pump etc.But in the actual use procedure of this technique, along with the carrying out of lessivation, the concentration of leacheate can increase gradually, and with solid particles such as silica, will reduce pump performance on the liquid such as magnetic drive pump and self priming pump like this, thereby have influence on whole TCS synthesis technique.
Three, utility model content
The purpose of this utility model is to provide the conveying device of acid waste water in a kind of tail gas elution circuit, has reduced eluent concentration and has increased the impact on pump transfer efficiency.
The purpose of this utility model is achieved like this: the conveying device of acid waste water in tail gas elution circuit, it comprises: scrubbing tower, the import of scrubbing tower leacheate, scrubbing tower import, pump discharge, pump inlet, the pump housing, pond, fixation steel plate, axle, motor, on scrubbing tower, be respectively arranged with the import of two scrubbing tower leacheates and scrubbing tower import, the pump housing is fixedly mounted on pond by fixation steel plate, the pump discharge of the pump housing is connected in the import of scrubbing tower leacheate, the pump housing is connected in motor by axle, and the pump housing is submerged pump.
The conveying device of acid waste water in the utility model tail gas elution circuit, has the following advantages:
1, excellent wearability, resistance to impact and corrosion resistance;
2, the pump housing is immersed under liquid level, carries high concentration and stronger with the ability of graininess liquid;
3, submerged pump is arranged on directly over sour water pond, the environmental sanitation problem of avoiding evaporating, emitting, dripping or leaking of liquid or gas to cause;
4, without extra floor space, thereby reduced capital construction input.
Four, accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is submerged pump structure diagram of the present utility model.
Wherein: 1---scrubbing tower, the import of 2---scrubbing tower leacheate, the import of 3---scrubbing tower, 4---pump discharge, 5---pump inlet, the 6---pump housing, 7---pond, 8---fixation steel plate, 9---axle, 10---motor.
Five, the specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to accompanying drawing, the conveying device of the raw waste water of acid in a kind of tail gas elution circuit of the utility model, it comprises: scrubbing tower 1, scrubbing tower leacheate import 2, scrubbing tower import 3, pump discharge 4, pump inlet 5, the pump housing 6, pond 7, fixation steel plate 8, axle 9, motor 10, on scrubbing tower 1, be respectively arranged with two scrubbing tower leacheates import 2 and scrubbing tower import 3, the pump housing 6 is fixedly mounted on pond 7 by fixation steel plate 8, the pump discharge 4 of the pump housing 6 is connected in scrubbing tower leacheate import 2, the pump housing 6 is connected in motor 10 by axle 9, and the pump housing 6 is submerged pump.
In TCS synthesis system, the waste gas being produced by silica flour charging system and synthetic furnace pressure release enters scrubbing tower 1 by scrubbing tower import 3 and carries out purified treatment, above sour water pond 7, by fixation steel plate 8, submerged pump 6 is fixedly mounted, in sour water pond 7, leacheate is by the submerged pump pump housing 6, leacheate is got to scrubbing tower leacheate import 2, and leacheate enters scrubbing tower scrubbing exhaust gas by two leacheate imports 2.The sour water having washed is being mingled with silicon powder particle and silica enters calculation pond 7, so circulation.Eluent concentration in calculating pond 7 reaches after certain value, by submerged pump 6, leacheate is got.At pump discharge 4, by valve, switch high concentration leacheate (being acid waste water) is transported to treatment unit for waste water processing.And then produce water to 7 filling of sour water pond, carry out the waste gas lessivation of next stage.The utility model submerged pump pump housing material is selected high performance engineering plastics, and it has anticorrosive, wear-resistant, higher mechanical modulus and the wider temperature scope of application.In this operating mode, use and have certain advantage.Submerged pump mainly comprises: pump discharge 4, pump inlet 5, the pump housing 6, fixation steel plate 8, axle 9, motor 10.Submerged pump provides power by motor 10, by axle 9, transfers energy to the pump housing 6; After vane rotary in the pump housing 6, form certain vacuum drip washing sour water is sucked in pump inlet 5, drip washing sour water, after the interior acquisition energy of the pump housing 6, is discharged from submerged pump outlet(discharge) flange 4, is transported to eluting column work.
Claims (1)
1. the conveying device of acid waste water in a tail gas elution circuit, it comprises: scrubbing tower (1), scrubbing tower leacheate import (2), scrubbing tower import (3), pump discharge (4), pump inlet (5), the pump housing (6), pond (7), fixation steel plate (8), axle (9), motor (10), it is characterized in that: on scrubbing tower (1), be respectively arranged with two scrubbing tower leacheates import (2) and scrubbing tower import (3), the pump housing (6) is fixedly mounted on pond (7) by fixation steel plate (8), the pump discharge (4) of the pump housing (6) is connected in scrubbing tower leacheate import (2), the pump housing (6) is connected in motor (10) by axle (9), the pump housing (6) is submerged pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426543.0U CN203408584U (en) | 2013-07-05 | 2013-07-05 | Acid wastewater conveying device in tail gas leaching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426543.0U CN203408584U (en) | 2013-07-05 | 2013-07-05 | Acid wastewater conveying device in tail gas leaching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203408584U true CN203408584U (en) | 2014-01-29 |
Family
ID=49971513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320426543.0U Expired - Fee Related CN203408584U (en) | 2013-07-05 | 2013-07-05 | Acid wastewater conveying device in tail gas leaching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203408584U (en) |
-
2013
- 2013-07-05 CN CN201320426543.0U patent/CN203408584U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20190705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |