CN208869345U - The desulfurization wastewater Zero emission device cooling for dry slag - Google Patents
The desulfurization wastewater Zero emission device cooling for dry slag Download PDFInfo
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- CN208869345U CN208869345U CN201820654554.7U CN201820654554U CN208869345U CN 208869345 U CN208869345 U CN 208869345U CN 201820654554 U CN201820654554 U CN 201820654554U CN 208869345 U CN208869345 U CN 208869345U
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Abstract
The desulfurization wastewater Zero emission device cooling for dry slag, including flash concentration system, gas-liquid condenser system, dry slag spray system；The flash concentration system, including desulfurizing tower, serum recycle spray equipment, desulfurizer mist eliminator, serum recycle pipeline, heat exchanger, desulfurization wastewater clear liquid circulation line, flash column, flash column spray equipment, flash column demister, desulfurization wastewater transfer pipeline, baffle-box, agitating device, desulfurization wastewater carry out water lines；The dry slag spray system, including desulfurization wastewater concentrated water transfer pipeline, flowmeter, frequency conversion desulfurization wastewater concentrated water delivery pump, dry slag spray equipment, slag drying machine, thermometer, quantity of slag metering device, air compressor.The utility model automatically adjusts desulfurization wastewater concentrated water spray flow, and clean water utilizes, water-saving, improves desulfuration efficiency, reduces smoke temperature, cooperation-removal pollutant and ultra-clean discharge.It can be widely applied in Industrial Waste Water Treatments field, boiler flue gas desulfurization system and bottom ash cooling conveying system.
Description
Technical field
The present invention relates to the desulfurization wastewater Zero emission devices cooling for dry slag, can be widely applied to Industrial Waste Water Treatments neck
In domain, station boiler and flue gas desulfurization system of industrial boiler and bottom ash cooling conveying system.
Background technique
Desulphurization for Coal-fired Power Plant waste water contains a large amount of suspended matters, and salt content is high, and hardness is high, and containing compared with multiple types heavy metal
Ion is that the pollutant of strict control and thermal power plant is required to produce in national environmental standard to the seriously polluted of environment
Environmental protection technology problem in journey.
The dry slag shortage of heat that the coal-fired plant boiler of normal operation generates is with evaporating completely desulfurization wastewater, and at dry slag
Reason and dry slag temperature and desulfurization wastewater flow random groups load and dynamic change occurs, desulfurization wastewater fountain height is excessive, on the one hand
Slag drying machine material antiseptic erosion grade need to be improved, increases cost, is on the other hand easy hardened slag drying machine to be caused to block.
It is 50% even higher to account for about entire coal unit total water consumption for the water consumption of wet desulfurization system, and neat stress is taken away
Moisture be the maximum a part of desulfurizing tower water consume, while large quantity of moisture latent heat also wastes therewith, therefore it is aqueous to reduce neat stress
Amount is the key that control desulfurizing tower water consume.
Summary of the invention
It utilizes and takes off the purpose of the present invention is to provide a kind of automatic adjustment desulfurization wastewater concentrated water spray flow, desulfurization wastewater clear liquid
Vapor after the flash distillation of sulphur slurries waste heat row, flash distillation by becoming clean vapor after flash column demister, into after condenser
Condensed water is cooled to for desulfurization or other process waters, water-saving, raising desulfuration efficiency, reduction flue-gas temperature, a variety of dirts of realization
Contaminate the cooperation-removal of object and the desulfurization wastewater Zero emission device cooling for dry slag of ultra-clean discharge.
In order to achieve the above object, the present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, including flash concentration
System, gas-liquid condenser system, dry slag spray system；The flash concentration system, including desulfurizing tower, are mounted in desulfurizing tower
Several layers of serum recycle spray equipment positioned at serum recycle spray equipment top and are mounted on the desulfurizer mist eliminator on desulfurizing tower,
It is mounted on the serum recycle pipeline of desulfurizing tower bottom outside, the heat exchanger being mounted on serum recycle pipeline, the heat exchanger other side
The desulfurization wastewater clear liquid circulation line of connection, the flash column connecting with desulfurization wastewater clear liquid circulation line are mounted in flash column
Top and the flash column spray equipment being connected with heat exchange manifold, above flash column spray equipment and are mounted in flash column
The flash column demister in portion, the desulfurization wastewater transfer pipeline of flash column lower side setting, connect with desulfurization wastewater transfer pipeline
Baffle-box, the agitating device being mounted among baffle-box, connection baffle-box and flash column are simultaneously mounted on de- on the upside of baffle-box
Sulphur waste water carrys out water lines；The dry slag spray system, it is defeated including the desulfurization wastewater concentrated water in the flash distillation tower bottom setting
Pipeline is sent, flowmeter, the frequency conversion desulfurization wastewater concentrated water delivery pump, the spray of dry slag being sequentially arranged on desulfurization wastewater concentrated water transfer pipeline
Shower device, equipment level section are located at the slag drying machine installed below dry slag spray equipment, are separately mounted to slag drying machine tail portion horizontal segment
Thermometer and quantity of slag metering device on bottom surface, the air compressor being connected to dry slag spray equipment.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the flash column, desulfurization wastewater in flash column
It is layered according to gravity, the desulfurization wastewater concentrated water of higher density is precipitated to bottom and enters desulfurization wastewater concentrated water delivery pipe after concentration
Road, supernatant liquor enter desulfurization wastewater clear liquid circulation line.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, and the dry slag spray equipment sprays for two-fluid
Mouth is provided compressed air by the air compressor, is atomized using compressed air to desulfurization wastewater concentrated water liquid.
The present invention desulfurization wastewater Zero emission device cooling for dry slag, the frequency conversion desulfurization wastewater concentrated water delivery pump,
Desulfurization wastewater concentrated water spray flow can be automatically adjusted.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, and the flash column spray equipment, arrangement is at least
One layer, guarantee desulfurization wastewater clear liquid can uniform atomizing, increase evaporation efficiency.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, and the condensing tower spray equipment, arrangement is at least
One layer, cooling water being capable of uniform atomizing increase condensation efficiency.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the gas-liquid condenser system, including passes through water
The condenser that vapor line is connect with the flash column, in the condensed water transfer pipeline of condenser bottom setting, condenser
The cooling water circulation pipe of portion's setting, the cooling tower connecting with cooling water circulation pipe, is mounted on the vacuum pump on condenser top；
Both described flash column and condenser communicate, and clean vapor enters condenser and is condensed into water, on-condensible gas after evaporation
Extract the vacuum degree for maintaining flash column and condenser and the vapor pipeline that is connected out by vacuum pump.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the cooling water circulation pipe, cooling water with
Clean vapor uses septate heat transfer, is not directly contacted with, vapor is cooled to recycling condensing water.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the condenser, using tube shell type structure, water
It is water that steam flows exothermic condensation in pipe, and cooling water is in pipe outer circulation.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the gas-liquid condenser system, including passes through water
The condensing tower that vapor line is connect with the flash column is mounted on cold on the cooling water return pipe road of condensation tower bottom setting
Condensing tower spray equipment inside solidifying tower, the cooling tower connecting with cooling water return pipe road are filled in cooling tower and condensing tower spray
The cool water shower pipeline connected between setting, is mounted on the vacuum pump on condensing tower top；Both described flash column and condensing tower
It communicates, clean vapor enters condensing tower and is condensed into water after evaporation, and on-condensible gas passes through vacuum pump extraction maintenance flash column
With the vacuum degree of condensing tower and the vapor pipeline that is connected.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the condensing tower spray equipment cooling water with it is clean
Water purification steam direct contact heat transfer, is cooled to condensed water for vapor.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the cooling tower, using air it is natural or
Forced heat-exchanging.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, its working principle is that: according to slag drying machine power output and
Slag temperature automatically adjusts desulfurization wastewater concentrated water spray flow, and desulfurization wastewater clear liquid utilizes desulfurization slurry waste heat in the flash column of vacuum environment
Inside flashed, the vapor after flash distillation pass through flash column demister after become clean vapor, into condenser after be cooled
It is condensed water for desulfurization or other process waters, temperature reduces after desulfurization slurry loses heat, again defeated by serum recycle pipeline
It sends desulfurizing tower back to, improves desulfuration efficiency, save the desulfurizing tower water consume of identical flash distillation amount, reduce flue-gas temperature, can effectively reduce cigarette
Flue dust, SO in gas3, the pollutants such as Hg concentration, realize multiple pollutant cooperation-removal and ultra-clean discharge.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, and the flash column demister removes flash column
The droplet of micron level in vapor guarantees that the vapor for entering condenser is clean state.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, and the heat exchanger is mountable to be separately provided
Serum recycle pipeline, it is also mountable on desulfurizing tower virgin pulp liquid circulating sprayer pipeline.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, and the cooling tower can utilize power plant's original cold water
Tower, can also create cooling tower, including closed cycle or start the cycle over.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the cooling tower can by rivers,lakes and seas or other
Process cooling water replaces.
In conclusion the present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, desulfurization wastewater concentrated water is automatically adjusted
Spray flow, desulfurization wastewater clear liquid are flashed using desulfurization slurry waste heat row, and the vapor after flash distillation after flash column demister by becoming
At clean vapor, into condenser after be cooled to condensed water for desulfurization or other process waters, it is water-saving, improve desulfurization effect
Rate, reduce flue-gas temperature, realize multiple pollutant cooperation-removal and ultra-clean discharge.
Detailed description of the invention
The present invention is further illustrated with reference to the accompanying drawings and embodiments.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is another gas-liquid condenser system structural schematic diagram of the invention.
Specific embodiment
In Fig. 1, Fig. 2, the present invention desulfurization wastewater Zero emission device cooling for dry slag, including flash concentration system,
Gas-liquid condenser system, dry slag spray system；The flash concentration system, including desulfurizing tower 1, several layers be mounted in desulfurizing tower
Serum recycle spray equipment 2, positioned at serum recycle spray equipment top and the desulfurizer mist eliminator 3 that is mounted on desulfurizing tower, peace
Mounted in the serum recycle pipeline 4 of desulfurizing tower bottom outside, the heat exchanger 5 being mounted on serum recycle pipeline, the heat exchanger other side
The desulfurization wastewater clear liquid circulation line 6 of connection, the flash column 7 connecting with desulfurization wastewater clear liquid circulation line are mounted on flash column
Internal upper part and the flash column spray equipment 8 being connected with heat exchange manifold, above flash column spray equipment and are mounted on flash distillation
Flash column demister 9 inside tower, the desulfurization wastewater transfer pipeline 10 of flash column lower side setting, with desulfurization wastewater delivery pipe
The baffle-box 11 of road connection, the agitating device 12 being mounted among baffle-box, connection baffle-box and flash column are simultaneously mounted on buffering
Desulfurization wastewater on the upside of case carrys out water lines 13；The dry slag spray system, including in the de- of the flash distillation tower bottom setting
Sulphur waste water concentrated water transfer pipeline 14, flowmeter 15, the frequency conversion desulfurization wastewater being sequentially arranged on desulfurization wastewater concentrated water transfer pipeline
Concentrated water delivery pump 16, dry slag spray equipment 17, equipment level section are located at the slag drying machine 18 installed below dry slag spray equipment, respectively
The thermometer 19 and quantity of slag metering device 20 being mounted on the horizontal segment bottom surface of slag drying machine tail portion, the sky being connected to dry slag spray equipment
Air compressor 21.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the flash column, desulfurization wastewater in flash column
It is layered according to gravity, the desulfurization wastewater concentrated water of higher density is precipitated to bottom and enters desulfurization wastewater concentrated water delivery pipe after concentration
Road, supernatant liquor enter desulfurization wastewater clear liquid circulation line.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, and the dry slag spray equipment sprays for two-fluid
Mouth is provided compressed air by the air compressor, is atomized using compressed air to desulfurization wastewater concentrated water liquid.
The present invention desulfurization wastewater Zero emission device cooling for dry slag, the frequency conversion desulfurization wastewater concentrated water delivery pump,
Desulfurization wastewater concentrated water spray flow can be automatically adjusted.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, and the flash column spray equipment, arrangement is at least
One layer, guarantee desulfurization wastewater clear liquid can uniform atomizing, increase evaporation efficiency.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, and the condensing tower spray equipment, arrangement is at least
One layer, cooling water being capable of uniform atomizing increase condensation efficiency.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the gas-liquid condenser system, including passes through water
The condenser 23 that vapor line 22 is connect with the flash column is coagulated in the condensed water transfer pipeline 24 of condenser bottom setting
The cooling water circulation pipe 25 being arranged inside vapour device, the cooling tower 26 connecting with cooling water circulation pipe, is mounted on condenser
The vacuum pump 27 in portion；Both described flash column 7 and condenser 23 communicate, and it is cold to enter condenser for clean vapor after evaporation
Coagulate the vacuum degree for passing through vacuum pump extraction maintenance flash column and condenser and the vapor pipeline that is connected for water, on-condensible gas.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the cooling water circulation pipe, cooling water with
Clean vapor uses septate heat transfer, is not directly contacted with, vapor is cooled to recycling condensing water.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the condenser, using tube shell type structure, water
It is water that steam flows exothermic condensation in pipe, and cooling water is in pipe outer circulation.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the gas-liquid condenser system, including passes through water
The condensing tower 28 that vapor line 22 is connect with the flash column 7, on the cooling water return pipe road 29 of condensation tower bottom setting, peace
Condensing tower spray equipment 30 inside condensing tower, the cooling tower 26 being connect with cooling water return pipe road, cooling tower with it is cold
The cool water shower pipeline 31 connected between solidifying tower spray equipment, is mounted on the vacuum pump 27 on condensing tower top；The flash distillation
Both tower and condensing tower communicate, and clean vapor enters condensing tower and is condensed into water after evaporation, and on-condensible gas passes through vacuum pump
Extraction maintains the vacuum degree of flash column and condensing tower and the vapor pipeline that is connected.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the condensing tower spray equipment cooling water with it is clean
Water purification steam direct contact heat transfer, is cooled to condensed water for vapor.
The present invention is used for the cooling desulfurization wastewater Zero emission device of dry slag, the cooling tower, using air it is natural or
Forced heat-exchanging.
In addition, in Fig. 1, flue gas direction a, dry slag conveying direction b, desulfurization wastewater raw water water inlet direction c, recycling condensing water side
To d.
Claims (12)
1. the desulfurization wastewater Zero emission device cooling for dry slag, which is characterized in that including flash concentration system, gas-liquid condensed system
System, dry slag spray system；The flash concentration system, including desulfurizing tower, the several layers of serum recycle spray being mounted in desulfurizing tower
Shower device positioned at serum recycle spray equipment top and is mounted on the desulfurizer mist eliminator on desulfurizing tower, is mounted on desulfurizing tower bottom
Serum recycle pipeline on the outside of portion, the heat exchanger being mounted on serum recycle pipeline, the desulfurization wastewater of heat exchanger other side connection
Clear liquid circulation line, the flash column connecting with desulfurization wastewater clear liquid circulation line are mounted on flash column internal upper part and and heat exchanger
The connected flash column spray equipment of pipeline, above flash column spray equipment and the flash column demisting that is mounted on inside flash column
Device, the desulfurization wastewater transfer pipeline of flash column lower side setting, the baffle-box connecting with desulfurization wastewater transfer pipeline are mounted on
Agitating device among baffle-box connects baffle-box and flash column and is mounted on the desulfurization wastewater on the upside of baffle-box and carrys out water lines；
The dry slag spray system is successively installed including the desulfurization wastewater concentrated water transfer pipeline in the flash distillation tower bottom setting
Flowmeter, frequency conversion desulfurization wastewater concentrated water delivery pump, dry slag spray equipment on desulfurization wastewater concentrated water transfer pipeline, equipment level
Section is located at the slag drying machine installed below dry slag spray equipment, the thermometer being separately mounted on the horizontal segment bottom surface of slag drying machine tail portion and
Quantity of slag metering device, the air compressor being connected to dry slag spray equipment.
2. the desulfurization wastewater Zero emission device cooling for dry slag according to claim 1, which is characterized in that the sudden strain of a muscle
Tower is steamed, desulfurization wastewater is layered according to gravity in flash column, and the desulfurization wastewater concentrated water of higher density is precipitated to bottom after concentration
Into desulfurization wastewater concentrated water transfer pipeline, supernatant liquor enters desulfurization wastewater clear liquid circulation line.
3. the desulfurization wastewater Zero emission device cooling for dry slag according to claim 1, which is characterized in that described is dry
Slag spray equipment, is two-fluid spray nozzle, compressed air is provided by the air compressor, using compressed air to desulfurization wastewater
Concentrated water liquid is atomized.
4. the desulfurization wastewater Zero emission device cooling for dry slag according to claim 1, which is characterized in that the change
Frequency desulfurization wastewater concentrated water delivery pump, can automatically adjust desulfurization wastewater concentrated water spray flow.
5. the desulfurization wastewater Zero emission device cooling for dry slag according to claim 1, which is characterized in that the sudden strain of a muscle
Steam tower spray equipment, arrangement is at least one layer of, guarantee desulfurization wastewater clear liquid can uniform atomizing, increase evaporation efficiency.
6. the desulfurization wastewater Zero emission device cooling for dry slag according to claim 1, which is characterized in that the gas
Liquid condensing system, including the condenser being connect by vapor pipeline with the flash column, in condenser bottom, setting is cold
Condensate transfer pipeline, the cooling water circulation pipe that condenser inside is arranged, the cooling tower being connect with cooling water circulation pipe, installation
Vacuum pump on condenser top；Both described flash column and condenser communicate, and clean vapor enters solidifying after evaporation
Vapour device is condensed into water, and on-condensible gas extracts the vacuum for maintaining flash column and condenser and the vapor pipeline that is connected out by vacuum pump
Degree.
7. the desulfurization wastewater Zero emission device cooling for dry slag according to claim 6, which is characterized in that described is cold
But water circulation pipe, cooling water and clean vapor use septate heat transfer, are not directly contacted with, and vapor is cooled to condensed water and is returned
With.
8. the desulfurization wastewater Zero emission device cooling for dry slag according to claim 6, which is characterized in that described is solidifying
Vapour device, using tube shell type structure, it is water that vapor flows exothermic condensation in pipe, and cooling water is in pipe outer circulation.
9. the desulfurization wastewater Zero emission device cooling for dry slag according to claim 1, which is characterized in that the gas
Liquid condensing system, including the condensing tower being connect by vapor pipeline with the flash column, in the cold of condensation tower bottom setting
But water water return pipeline, the condensing tower spray equipment being mounted on inside condensing tower, the cooling tower being connect with cooling water return pipe road,
The cool water shower pipeline connected between cooling tower and condensing tower spray equipment, is mounted on the vacuum pump on condensing tower top；It is described
Flash column and both condensing towers communicate, clean vapor enters condensing tower and is condensed into water after evaporation, and on-condensible gas passes through
Vacuum pump extraction maintains the vacuum degree of flash column and condensing tower and the vapor pipeline that is connected.
10. the desulfurization wastewater Zero emission device cooling for dry slag according to claim 9, which is characterized in that described
Condensing tower spray equipment, arrangement is at least one layer of, and cooling water being capable of uniform atomizing increase condensation efficiency.
11. the desulfurization wastewater Zero emission device cooling for dry slag according to claim 10, which is characterized in that described
Condensing tower spray equipment cooling water and clean vapor direct contact heat transfer, are cooled to condensed water for vapor.
12. the desulfurization wastewater Zero emission device cooling for dry slag according to claim 7 or 10, which is characterized in that institute
The cooling tower stated, using air nature or forced heat-exchanging.
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| CN201820654554.7U CN208869345U (en) | 2018-05-04 | 2018-05-04 | The desulfurization wastewater Zero emission device cooling for dry slag |
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| CN201820654554.7U CN208869345U (en) | 2018-05-04 | 2018-05-04 | The desulfurization wastewater Zero emission device cooling for dry slag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358267A (en) * | 2018-05-04 | 2018-08-03 | 青岛达能环保设备股份有限公司 | A kind of desulfurization wastewater Zero discharging system for the cooling of dry slag |
-
2018
- 2018-05-04 CN CN201820654554.7U patent/CN208869345U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358267A (en) * | 2018-05-04 | 2018-08-03 | 青岛达能环保设备股份有限公司 | A kind of desulfurization wastewater Zero discharging system for the cooling of dry slag |
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