CN208082199U - Graphite waste gas absorption and resources apparatus - Google Patents
Graphite waste gas absorption and resources apparatus Download PDFInfo
- Publication number
- CN208082199U CN208082199U CN201820165212.9U CN201820165212U CN208082199U CN 208082199 U CN208082199 U CN 208082199U CN 201820165212 U CN201820165212 U CN 201820165212U CN 208082199 U CN208082199 U CN 208082199U
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- Prior art keywords
- reaction tank
- tower body
- waste gas
- gas absorption
- liquid storage
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- Gas Separation By Absorption (AREA)
Abstract
The utility model is related to a kind of graphite waste gas absorption and resources apparatus, belong to gaseous hydrocarbon yield technical field.It includes lye pond, spray column, reaction tank and Bipolar Membrane processor；The spray column includes tower body, spray equipment, liquid storage area, tower body bottom is equipped with air inlet higher than the position of liquid storage area, gas outlet is equipped at the top of tower body, lye pond is connect with spray equipment through pipeline, liquid storage area positioned at tower body bottom is connect with reaction tank through pipeline, and valve is equipped between liquid storage area and reaction tank, and reaction tank is equipped with sediment discharge structure, reaction tank is connect with Bipolar Membrane processor through pipeline, and valve is equipped between reaction tank and Bipolar Membrane processor；It is equipped with liquid pump on pipeline on pipeline between lye pond and spray equipment between liquid storage area and reaction tank.Using equipment described in the utility model, Na can avoid2SiO3Block Bipolar Membrane processor.
Description
Technical field
The utility model is related to a kind of graphite waste gas absorption and resources apparatus, belong to gaseous hydrocarbon yield technology neck
Domain.
Background technology
The gas pollutant contained in graphite waste water includes HF, HCl, HNO3, wherein being contaminated with a certain amount of SiF4.Tradition
Acid waste gas processing equipment be lye spray neutralisation treatment equipment.It is sprayed by lye and converts accordingly the acid in exhaust gas to
Salt, then by obtained salt be transferred directly to Bipolar Membrane processor carry out electrodialysis, be finally separating to obtain lye and acid solution.And by
Contain SiO in graphite waste water2, SiO2It reacts with HF and generates SiF4,SiF4It is sprayed through NaOH and generates Na2SiO3And NaF.
Na2SiO3Cavity block and anode membrane can be blocked by entering in Bipolar Membrane processor, make electrodialysis that can not complete.
Utility model content
In view of the foregoing defects the prior art has, the utility model proposes a kind of new graphite waste gas absorptions and resource
Change equipment.
The utility model is realized using technical solution below：
A kind of graphite waste gas absorption and resources apparatus, including lye pond, spray column, reaction tank and Bipolar Membrane processor；
The spray column includes tower body, spray equipment, liquid storage area, and tower body bottom is equipped with air inlet, tower body top higher than the position of liquid storage area
Portion is equipped with gas outlet, and lye pond is connect with spray equipment through pipeline, and the liquid storage area positioned at tower body bottom connects with reaction tank through pipeline
It connects, valve is equipped between liquid storage area and reaction tank, reaction tank is equipped with sediment discharge structure, reaction tank and Bipolar Membrane processor pipe
Road connects, and valve is equipped between reaction tank and Bipolar Membrane processor；On pipeline between lye pond and spray equipment and liquid storage area
It is equipped with liquid pump on pipeline between reaction tank.The liquid storage area can be the liquid storage tank positioned at tower body bottom, can also be
Independently of the fluid reservoir of tower body.The sediment discharge structure can be provided with the sediment outlet of valve, can also be depth
Enter the sediment discharge pipe that reaction tank bottom can be used for being discharged sediment.
In order to solve the Na described in background technology2SiO3Into asking for cavity block and anode membrane can be blocked in Bipolar Membrane processor
Reaction tank is arranged between spray column and Bipolar Membrane processor in topic, the utility model, and hydrochloric acid can be added in reaction tank and adjusts PH
=3, make Na2SiO3It is reacted with HCl and generates H2SiO3It precipitating (silica gel), sediment is discharged by sediment outlet, without Si
Supernatant, which enters in Bipolar Membrane processor, further to react to obtain the acid solution that can further utilize and lye.Graphite can be overcome
Na in waste gas treatment process2SiO3The problem of blocking Bipolar Membrane.
The graphite waste gas absorption and resources apparatus further include return duct, one end of the return duct and bipolar film process
Device cathode chamber water outlet is connected, and the other end is connected with lye pond, and return duct is equipped with liquid pump.
Cathode chamber can be discharged by return duct and be passed directly into lye pond, the lye isolated is made to recycle profit as spray liquid
With improving the level of resources utilization of internal system, save cost.
The spray column is equipped with upper, middle and lower-ranking spray equipment, and the lower part of each layer spray equipment is equipped with packing layer.
The utility model uses three layers of spray equipment and three layers of packing layer, increases the equal of packing layer Gas distribution everywhere
Even property, enables gas phase and liquid phase to come into full contact with and absorb, and improves absorption efficiency.
It is equipped with flowmeter on the pipeline that each layer spray equipment is connected with lye pond.
In the operational process of system, it is sometimes desirable to according to the matching spray flow of the different set of exhaust gas volumn, stream
Gauge can measure the flow of three spray tubes, to by adjusting flow pump, realize flow-rate adjustment.Meanwhile lower layer's spray dress
The flow of the bigger with exhaust gas contact, generally required at first is set, spray equipment spray in upper layer is the gas sprayed by two layers,
The smaller flow generally required.
In the tower body gas outlet hereinafter, more than spray equipment position, is equipped with mesh mist eliminator.
Mesh mist eliminator can further remove water mist, avoid spray liquid or other drops from gas outlet direct emission,
Impurity contained in exhaust can be reduced.
In the tower body air inlet hereinafter, more than liquid storage area position, is equipped with spiral board, the spiral board is inverted cone
The edge of shape plate or inverted umbrella shape plate, the conical plate or umbrella shape plate is fixed on tower body side wall, and middle part is equipped with liquid flowing outlet.
Spiral board can stop the sinking of exhaust gas, due to its special shape, after exhaust gas collides plate body, can rotate to
Upper movement forms turbulent flow after the exhaust gas collision being had just enter into air inlet, exhaust gas is contributed to be uniformly distributed as early as possible in tower body.Liquid
It is flowed into liquid storage area along liquid flowing outlet.
Position between two layers adjacent of packing layer is all provided with there are one pressure sensor.
Pressure sensor finds that air pressure rises in tower body, may illustrate packing layer for detecting the pressure in tower body in real time
It blocks, should be immediately checked for, danger is caused to avoid spray column internal pressure is excessively high.
The tower body is internally provided with the gas distribution structure being connected with air inlet.
The gas distribution structure includes bottom plate and two aeroscopic plates, and the bottom plate is parallel with tower body bottom surface, two aeroscopic plates with
Bottom plate is vertical and is opened to both sides in horn-like, and two aeroscopic plates are located at the trisection of air scoop width close to one end of air inlet
Point on.
Gas distribution structure can be such that exhaust gas just disperses to both sides at air inlet, form eddy flow in tower body, formed after collision
Turbulent flow；Meanwhile gas distribution structure has bottom plate and no-top plate, makes exhaust gas be easy to move upwards, it is not easy to move downward, reduce exhaust gas
Residence time improves the efficiency of processing.
The reaction tank is counted equipped with PH.
PH meters can monitor pH value in real time, the pH value for detecting reaction tank, to the hydrochloric acid being added according to pH value adjustment
Amount and define reaction complete time point.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the faces the A-A schematic diagram of Fig. 1.
In figure：1, air inlet；2, packing layer；3, spray equipment；4, mesh mist eliminator；5, gas outlet；6, flowmeter；7, alkali
Liquid pool；8, liquid pump；9, Bipolar Membrane processor；10, reaction tank；11, liquid storage area；12, pressure sensor；13, return duct；14, positive
Pole room outlet pipe；15, spray tube；16, spiral board；17, sediment discharge structure；18, bottom plate；19, aeroscopic plate；20, PH is counted.
Specific implementation mode
In order to make the utility model aim, technical solution be more clearly understood, below in conjunction with the accompanying drawings, the utility model is made
It is further described.
Embodiment one：
A kind of graphite waste gas absorption and resources apparatus, including lye pond 7, spray column, reaction tank 10 and bipolar film process
Device 9；The spray column includes tower body, spray equipment 3, liquid storage area 11, and tower body bottom is equipped with air inlet higher than the position of liquid storage area
1, tower body top is equipped with gas outlet 5, and lye pond is connect with spray equipment through pipeline, is located at the liquid storage area and reaction tank of tower body bottom
Connected through pipeline, between liquid storage area and reaction tank be equipped with valve, reaction tank be equipped with sediment discharge structure 17, reaction tank with it is bipolar
Film process device pipeline connects, and valve is equipped between reaction tank and Bipolar Membrane processor；Pipeline between lye pond and spray equipment
It is equipped with liquid pump 8 on the upper pipeline between liquid storage area and reaction tank.The graphite waste gas absorption and resources apparatus further include
One end of return duct 13, the return duct is connected with Bipolar Membrane processor cathode chamber water outlet, and the other end is connected with lye pond, returns
Flow tube is equipped with liquid pump.The sediment discharge structure can be provided with the sediment outlet of valve, can also be deeply anti-
Bottom of pond portion is answered to can be used for being discharged the sediment discharge pipe of sediment.
When operation：The air inlet of spray column enters in exhaust gas, is moved upwards along tower body, from outlet after spray equipment sprays
Mouth discharge.
Have NaOH solution in lye pond, NaOH solution is pumped to spray equipment ejection, with absorb the HF in graphite exhaust gas,
HCl、HNO3And SiF4(SiF4By SiO2Powder reacts generation with HF), form NaF, NaCl, NaNO3And Na2SiO3Solution, quilt
It collects in the liquid storage area of tower body bottom.When liquid storage area has collected enough NaF, NaCl, NaNO3And Na2SiO3Solution it
Afterwards, the valve opened between liquid storage area and reaction tank makes solution enter reaction tank；Hydrochloric acid is added in reaction tank, adjusts PH=3,
At this moment Na2SiO3It is reacted with HCl and generates H2SiO3Precipitation, by sediment discharge structure by H2SiO3Discharge, can be used as silica gel makes
With.After silica gel is discharged, clear liquid doses NaOH, adjusts PH=7, and the valve then opened between reaction tank and Bipolar Membrane processor will
Solution is pumped into Bipolar Membrane processor.Bipolar Membrane processor isolates acid solution and lye, and lye is pumped into lye along return duct
For recycling in pond, acid solution is discharged through anode chamber's outlet pipe 14, can be used as upstream raw material after collection and recycles.
Embodiment two：
Difference with embodiment one is that the spray column is equipped with upper, middle and lower-ranking spray equipment, each layer spray equipment
Lower part is equipped with packing layer 2.It is equipped with flowmeter 6 on the spray tube 15 that each layer spray equipment is connected with lye pond.Institute
Tower body gas outlet is stated hereinafter, more than spray equipment position, is equipped with mesh mist eliminator 4.In the tower body air inlet hereinafter, liquid storage
Position more than area, be equipped with spiral board 16, the spiral board be inverted conical plate or inverted umbrella shape plate, the conical plate or
The edge of umbrella shape plate is fixed on tower body side wall, and middle part is equipped with liquid flowing outlet.Position between two layers adjacent of packing layer,
If there are one pressure sensors 12.The reaction tank is equipped with PH and counts 20.
When operation：Exhaust gas passes through mesh mist eliminator before being discharged by gas outlet, carries fine liquid in the gas phase secretly
Droplet is encountered on demisting flat filament, is adsorbed or is adhered to, and by repeatedly absorbing repeatedly, minimum droplet is agglomerated into big liquid
Drop, under the effect of gravity, the string diameter along flat filament moves downward drop, while continuing the droplet carried secretly in adsorbed gas, big mist
Drip becomes drips to the bottom of demister.
In operational process, the pressure value of pressure sensor should be observed at any time, if pressure value is higher, illustrated a certain
Layer packing layer is likely to occur blocking, should be immediately checked for preventing danger.
PH meters can detect the pH value in reaction tank, and technical staff is made to be easy to control the additive amount of hydrochloric acid.
Embodiment three：
Difference with embodiment two is that the tower body is internally provided with the gas distribution structure being connected with air inlet.The cloth is depressed
Structure includes bottom plate 18 and two aeroscopic plates 19, and the bottom plate is parallel with tower body bottom surface, and two aeroscopic plates are vertical with bottom plate and are in loudspeaker
Shape is opened to both sides, and two aeroscopic plates are located at close to one end of air inlet on the trisection point of air scoop width.
The Bipolar Membrane processor, PH meters, pressure sensor, mesh mist eliminator of the utility model are that can buy on the market
The existing equipment arrived, does not make improvements.
Claims (10)
1. a kind of graphite waste gas absorption and resources apparatus, which is characterized in that including lye pond (7), spray column, reaction tank (10)
With Bipolar Membrane processor (9)；The spray column includes tower body, spray equipment (3), liquid storage area (11), and tower body bottom is higher than liquid storage
The position in area (11) is equipped with air inlet (1), is equipped with gas outlet (5) at the top of tower body, lye pond (7) are with spray equipment (3) through pipeline
Connection, the liquid storage area (11) for being located at tower body bottom are connect with reaction tank (10) through pipeline, liquid storage area (11) and reaction tank (10) it
Between be equipped with valve, reaction tank (10) is equipped with sediment discharge structure (17), and reaction tank (10) and Bipolar Membrane processor (9) are through pipeline
Connection is equipped with valve between reaction tank (10) and Bipolar Membrane processor (9)；Pipeline between lye pond (7) and spray equipment (3)
It is equipped with liquid pump (8) on the upper pipeline between liquid storage area (11) and reaction tank (10).
2. graphite waste gas absorption according to claim 1 and resources apparatus, which is characterized in that the graphite waste gas absorption
And resources apparatus further includes return duct (13), one end and Bipolar Membrane processor (9) cathode chamber of the return duct (13) are discharged
Mouth is connected, and the other end is connected with lye pond (7), and return duct (13) is equipped with liquid pump (8).
3. graphite waste gas absorption according to claim 1 and resources apparatus, which is characterized in that the spray column is equipped with
The lower part of upper, middle and lower-ranking spray equipment (3), each layer spray equipment (3) is equipped with packing layer (2).
4. graphite waste gas absorption according to claim 3 and resources apparatus, which is characterized in that each layer spray equipment
(3) flowmeter (6) is equipped on the spray tube (15) being connected with lye pond (7).
5. graphite waste gas absorption according to claim 1 and resources apparatus, which is characterized in that in the tower body gas outlet
(5) hereinafter, more than spray equipment (3) position, is equipped with mesh mist eliminator (4).
6. graphite waste gas absorption according to claim 1 and resources apparatus, which is characterized in that in the tower body air inlet
(1) hereinafter, more than liquid storage area (11) position, is equipped with spiral board (16), the spiral board (16) is inverted conical plate or falls
The edge of the umbrella shape plate set, the conical plate or umbrella shape plate is fixed on tower body side wall, and middle part is equipped with liquid flowing outlet.
7. graphite waste gas absorption according to claim 3 and resources apparatus, which is characterized in that in two layers adjacent of filler
Position between layer (2) is all provided with there are one pressure sensor (12).
8. graphite waste gas absorption according to claim 1 and resources apparatus, which is characterized in that the tower body is internally provided with
The gas distribution structure being connected with air inlet (1).
9. graphite waste gas absorption according to claim 8 and resources apparatus, which is characterized in that the gas distribution structure includes
Bottom plate (18) and two aeroscopic plates (19), the bottom plate (18) is parallel with tower body bottom surface, two aeroscopic plates (19) and bottom plate (18)
It vertically and in horn-like is opened to both sides, two aeroscopic plates (19) are located at air inlet (1) width close to one end of air inlet (1)
On trisection point.
10. graphite waste gas absorption according to claim 1 and resources apparatus, which is characterized in that the reaction tank (10)
(20) are counted equipped with PH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820165212.9U CN208082199U (en) | 2018-01-31 | 2018-01-31 | Graphite waste gas absorption and resources apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820165212.9U CN208082199U (en) | 2018-01-31 | 2018-01-31 | Graphite waste gas absorption and resources apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208082199U true CN208082199U (en) | 2018-11-13 |
Family
ID=64062900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820165212.9U Expired - Fee Related CN208082199U (en) | 2018-01-31 | 2018-01-31 | Graphite waste gas absorption and resources apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208082199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102155A (en) * | 2019-06-03 | 2019-08-09 | 陕西北方人居环境科技有限公司 | The detection of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system |
| CN114832587A (en) * | 2022-06-09 | 2022-08-02 | 山东泰开环保科技有限公司 | Slag flushing water desulfurization system |
-
2018
- 2018-01-31 CN CN201820165212.9U patent/CN208082199U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102155A (en) * | 2019-06-03 | 2019-08-09 | 陕西北方人居环境科技有限公司 | The detection of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system |
| CN114832587A (en) * | 2022-06-09 | 2022-08-02 | 山东泰开环保科技有限公司 | Slag flushing water desulfurization system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20220131 |