CN208586080U - Phosphorus-containing wastewater evaporation concentration device - Google Patents
Phosphorus-containing wastewater evaporation concentration device Download PDFInfo
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- CN208586080U CN208586080U CN201821109376.6U CN201821109376U CN208586080U CN 208586080 U CN208586080 U CN 208586080U CN 201821109376 U CN201821109376 U CN 201821109376U CN 208586080 U CN208586080 U CN 208586080U
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Abstract
A kind of phosphorus-containing wastewater evaporation concentration device of the utility model, including preheater, triple effect evaporation crystallization apparatus, triple effect wash mill, condenser and condensate water pot, triple effect evaporation crystallization apparatus includes 1st effective evaporator, 2nd effect evaporator, triple effect evaporator, triple effect wash mill includes an effect washer, two effect washers, triple effect washer, and the 1st effective evaporator, an effect washer, 2nd effect evaporator, two effect washers, triple effect evaporator, triple effect washer are successively linked in sequence；Preheater is connect by material delivery pipe with triple effect evaporator, and preheater is connect by condensing hot air furnace pipe with 1st effective evaporator；Triple effect washer is connected by the top of secondary steam delivery pipe and condenser, and triple effect evaporator passes through condensing hot air furnace pipe with condenser and the top of condensate water pot is connect；Raw steam pipeline, discharge nozzle are connected on 1st effective evaporator.The utility model structure is simple, at low cost, dephosphorization efficiency is high.
Description
Technical field
The utility model relates to concentrator technical fields, more particularly to a kind of phosphorus-containing wastewater evaporation concentration device.
Background technique
It is organic phosphorus at present fragrance, medicine, chemical industry, pesticide production process in using very extensive, thus also cause to produce
A large amount of phosphorus-containing wastewater is given birth to, P elements are exceeded in water, can accelerate the eutrophication of water body, and this phenomenon is more serious in China,
Great harm is all brought to industry, aquatic products industry, agricultural and tourist industry.Therefore, the dense of phosphor in sewage how is effectively reduced
Degree offsets depollution, protects environment, has a very important significance.
Existing enterprise generallys use traditional biochemical method and removes organic phosphorus in waste water, this kind of mode technique is multiple
The disadvantages of miscellaneous, area occupied is big, equipment early investment is big and has chemical residual；The existing dephosphorization method using physics, contains
Phosphorus waste water is easy blistering in evaporating concentration process, will cause the serious phenomenon of entrainment in this way, and then cause to evaporate
Phosphorus content is exceeded in water not can be carried out technique reuse or outlet, and the utility model if Authorization Notice No. is CN204417273U is special
Benefit is related to phosphorus-containing wastewater special processor in a kind of production of phosphorous chemical industry, which does not consider to wash secondary vapour, by
Blistering is easy in phosphorus-containing wastewater evaporation process, entrainment can be than more serious, therefore steaming phosphorus content in water in this way can be opposite
It is higher.
Utility model content
It is phosphorous that the technical problem to be solved by the present invention is to provide a kind of structures is simple, at low cost, dephosphorization efficiency is high
Waste water evaporation concentration device.
A kind of phosphorus-containing wastewater evaporation concentration device of the utility model, including preheater, triple effect evaporation crystallization apparatus, triple effect are washed
Device, condenser and condensate water pot are washed, the triple effect evaporation crystallization apparatus includes 1st effective evaporator, 2nd effect evaporator, triple effect steaming
Device is sent out, the triple effect wash mill includes an effect washer, two effect washers, triple effect washer, the 1st effective evaporator, an effect
Washer, 2nd effect evaporator, two effect washers, triple effect evaporator, triple effect washer are successively linked in sequence；The preheater passes through
Material delivery pipe is connect with triple effect evaporator, and the preheater is connect by condensing hot air furnace pipe with 1st effective evaporator；Described three
It imitates washer to connect by the top of secondary steam delivery pipe and condenser, the triple effect evaporator and condenser pass through condensation
The connection of the top of water recovery tube and condensate water pot；Raw steam pipeline, discharge nozzle are connected on the 1st effective evaporator.
The utility model phosphorus-containing wastewater evaporation concentration device, wherein the 1st effective evaporator includes successively being linked in sequence to constitute
An effect heating room, an effect separation chamber for circulation loop, the 2nd effect evaporator includes successively being linked in sequence to constitute circulation loop
Two effect heating rooms, two effect separation chambers, the triple effect evaporator include successively be linked in sequence constitute circulation loop triple effect heating room,
Triple effect separation chamber.
The utility model phosphorus-containing wastewater evaporation concentration device, wherein the pipe between an effect separation chamber and two effect heating rooms
Road is equipped with two effect punishment in advance pumps, and the pipeline between the two effect separation chamber and triple effect heating room is pumped equipped with triple effect punishment in advance.
The utility model phosphorus-containing wastewater evaporation concentration device, wherein the effect washer includes successively being linked in sequence to constitute
An effect scrubbing tower, an effect washing tank, an effect washing pump for circulation loop, the two effects washer includes successively being linked in sequence to constitute
Two effect scrubbing towers, two effect washing tanks, the two effect washing pumps of circulation loop, the triple effect washer includes successively being linked in sequence to constitute
Triple effect scrubbing tower, triple effect washing tank, the triple effect washing pump of circulation loop, it is described one effect scrubbing tower by secondary steam delivery pipe with
Two effect heating room connections, the two effect scrubbing tower heat room with triple effect by secondary steam delivery pipe and connect, the triple effect washing
Tower is connect by secondary steam delivery pipe with condenser.
The utility model phosphorus-containing wastewater evaporation concentration device, wherein the effect scrubbing tower, two effect scrubbing towers, triple effect washing
Tower includes tower body, and the top of the tower body is equipped with venthole, and a upper lateral part of the tower body is equipped with liquid return hole, the tower body
Bottom is equipped with liquid outlet, is equipped with air intake in the middle part of the other side of the tower body.
The utility model phosphorus-containing wastewater evaporation concentration device, wherein the effect scrubbing tower, two effect scrubbing towers, triple effect washing
Wire mesh demister, filler are equipped in tower, the wire mesh demister is placed in the top of liquid return hole, and the filler is placed in described into vapour
Between mouth and liquid return hole.
The utility model phosphorus-containing wastewater evaporation concentration device, wherein the pipe between an effect scrubbing tower and an effect washing pump
On the road, on the pipeline between the two effect scrubbing tower and two effect washing pumps, between the triple effect scrubbing tower and triple effect washing pump
Cleaning solution recovery tube is respectively connected on pipeline.
The utility model phosphorus-containing wastewater evaporation concentration device, wherein the discharge nozzle is equipped with discharging pump.
The utility model phosphorus-containing wastewater evaporation concentration device, wherein the side of the condensate water pot is connected with condensate water discharging
Pipe, the condensate draining pipe are equipped with condensate pump.
The utility model phosphorus-containing wastewater evaporation concentration device, wherein exhaust pipe is connected at the top of the condenser, it is described
Exhaust pipe is equipped with vacuum pump.
Compared with prior art, advantages and beneficial effects possessed by the utility model are as follows: 1. the utility model material with
Condensed water exchanges heat realization to the preheating of material in preheater, and the source of condensed water is that 1st effective evaporator generates when being concentrated by evaporation
Condensed water make full use of heat rationally using the resource generated in whole device, reduce the subsequent consumption to raw steam, reach
Risk capital is reduced to the purpose for saving the energy.2. the utility model steam forward conveys, 1st effective evaporator, two effect evaporations
Temperature in device, triple effect evaporator is distributed from high to low, and according to the characteristic of the phosphorus-containing wastewater of required processing, temperature is higher, waste water
The solubility of middle dissolved matter is better and viscosity is lower, by using technique in three-effect countercurrent evaporation, makes the locating environment being concentrated by evaporation of material
From low to high, the solubility of dissolved matter is better in phosphorus-containing wastewater as a result, and viscosity is lower for temperature, blocks when reducing discharging, guarantees to connect
Continuous discharging.3. the utility model washs the steam that evaporator is isolated using washer, the phosphorus containg substances in steam are molten
Solution realizes the removal to phosphorus containg substances in steam in cleaning solution, meanwhile, using wire mesh demister for further removing steam
In mist, reduce steam in phosphorus content, guarantee qualified discharge, using filler extend cleaning solution and steam motion path,
The contact area for increasing cleaning solution and steam, is dissolved in the phosphorus containg substances in steam more fully in cleaning solution, improves to steaming
The removal effect of phosphorus containg substances in vapour.4. the utility model not only greatly reduces the discharge of pollutant in wastewater treatment, subtract
The small pollution to environment, while the recycling of resource is also achieved, waste is avoided, simple process, occupied area is small, simultaneously
The consumption for reducing raw steam has achieved the purpose that saving the energy reduces risk capital.
The phosphorus-containing wastewater evaporation concentration device of the utility model is described further with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the structure principle chart of the utility model phosphorus-containing wastewater evaporation concentration device；
Fig. 2 is the structure chart of scrubbing tower in the utility model phosphorus-containing wastewater evaporation concentration device；
Wherein: 1, preheater；2, discharging pump；3, an effect heating room；4, an effect separation chamber；5, an effect circulating pump；6, an effect
Scrubbing tower；7, an effect washing tank；8, an effect washing pump；9, two effect punishment in advance pump；10, two effect heating room；11, two effect separation chamber；12,
Two effect circulating pumps；13, two effect scrubbing tower；14, two effect washing tank；15, two effect washing pump；16, triple effect punishment in advance pumps；17, triple effect adds
Hot cell；18, triple effect separation chamber；19, triple effect cycle pumps；20, triple effect scrubbing tower；21, triple effect washing tank；22, triple effect washing pump；
23, condenser；24, condensate water pot；25, vacuum pump；26, condensate pump；27, tower body；28, venthole；29, liquid return hole；30, go out
Liquid mouth；31, air intake；32, wire mesh demister.
Specific embodiment
As shown in Figure 1, a kind of phosphorus-containing wastewater evaporation concentration device of the utility model, including preheater 1, triple effect evaporation crystallization
Device, triple effect wash mill, condenser 23 and condensate water pot 24, triple effect evaporation crystallization apparatus include 1st effective evaporator, two effect steamings
Send out device, triple effect evaporator, triple effect wash mill include one effect washer, two effect washers, triple effect washer, 1st effective evaporator,
One effect washer, 2nd effect evaporator, two effect washers, triple effect evaporator, triple effect washer are successively linked in sequence；Preheater 1 is logical
It crosses material delivery pipe to connect with triple effect evaporator, preheater 1 is connect by condensing hot air furnace pipe with 1st effective evaporator；Triple effect washing
Device is connect by secondary steam delivery pipe with the top of condenser 23, and triple effect evaporator and condenser 23 pass through condensing hot air furnace
Pipe is connect with the top of condensate water pot 24；Raw steam pipeline, discharge nozzle are connected on 1st effective evaporator.
The feed end of preheater 1 is connect with material pot, and material pot is for receiving and storing phosphorus-containing wastewater, material and condensed water
The preheating to material is realized in heat exchange in preheater 1, and the source of condensed water generates cold when being 1st effective evaporator evaporation and concentration
Condensate makes full use of heat rationally using the resource generated in whole device, reduces the subsequent consumption to raw steam, reaches
The purpose for saving the energy reduces risk capital, and the water outlet of preheater 1 is connect with condensate draining pipe, the condensed water after heat exchange
Pass through the direct outlet of condensate draining pipe.
Process is flowed to now in conjunction with material in above structure detailed description evaporating concentration process, steam and condensed water:
Flow direction of material process: the material after preheating is delivered to triple effect evaporator through material delivery pipe, and is evaporated dense
Contracting, after being concentrated into a certain concentration, is delivered to 2nd effect evaporator and is evaporated concentration, after being concentrated into a certain concentration, then be delivered to one
Effect evaporator is evaporated concentration, most afterwards through discharge nozzle outlet.
Steam flow process: the life steam from boiler is delivered in 1st effective evaporator by raw steam pipeline, vapour-liquid
After separation, the steam of generation forms secondary steam after an effect washer washing, and secondary steam is delivered in 2nd effect evaporator, vapour
After liquid separation, the steam of generation forms secondary steam after two effect washer washings, and secondary steam is delivered to triple effect evaporator, vapour
After liquid separation, the steam of generation forms secondary steam after the washing of triple effect washer, and secondary steam is delivered in condenser 23.
Condensation flow is to process: the condensed water that 1st effective evaporator heat exchange condensation generates is delivered in preheater 1, two effect evaporations
The condensed water that device heat exchange condensation generates is delivered to triple effect evaporator, the condensed water and two effects that triple effect evaporator heat exchange condensation generates
The condensed water of evaporator conveying is delivered to condensate water pot 24, and the secondary steam heat exchange that condenser 23 generates triple effect washer is cold
Solidifying, the condensed water of generation is delivered to condensate water pot 24.
The utility model steam forward conveys, 1st effective evaporator, 2nd effect evaporator, the temperature in triple effect evaporator by height to
Low distribution, according to the characteristic of the phosphorus-containing wastewater of required processing, temperature is higher, the solubility of dissolved matter is better in waste water and viscosity more
It is low, by using technique in three-effect countercurrent evaporation, make the locating environment temperature being concentrated by evaporation of material from low to high, as a result, in phosphorus-containing wastewater
Dissolved matter solubility it is better, viscosity is lower, reduce discharging when block, guarantee continuous discharge.The utility model is using washing
Device washs the steam that evaporator is isolated, and reduces the phosphorus content in steam, guarantees qualified discharge.
The utility model not only greatly reduces the discharge of pollutant in wastewater treatment, reduces the pollution to environment,
The recycling of resource is also achieved simultaneously, avoids waste, simple process, occupied area is small, while reducing disappearing for raw steam
Consumption has achieved the purpose that saving the energy reduces risk capital.
Further, 1st effective evaporator includes effect heating room 3, the one effect separation for being successively linked in sequence and constituting circulation loop
Room 4,2nd effect evaporator include two effect heating rooms 10, the two effect separation chambers 11 for being successively linked in sequence and constituting circulation loop, and triple effect steams
Hair device includes triple effect the heating room 17, triple effect separation chamber 18 for being successively linked in sequence and constituting circulation loop.Room is heated to be used for material
Heating, material heating rise to separation chamber, carry out vapor-liquid separation, be thus evaporated concentration process.
Further, the pipeline between an effect heating room 3 and an effect separation chamber 4 is equipped with an effect circulating pump 5, two effect heating
Pipeline between room 10 and two effect separation chambers 11 is equipped with two effect circulating pumps 12, and triple effect heats between room 17 and triple effect separation chamber 18
Pipeline be equipped with triple effect cycle pump 19.
Further, the pipeline between an effect separation chamber 4 and two effect heating rooms 10 is equipped with two effect punishment in advance pumps 9, two effects point
Triple effect punishment in advance pump 16 is equipped with from the pipeline between room 11 and triple effect heating room 17.
Further, discharge nozzle is equipped with discharging pump 2.
Further, an effect washer includes the effect effect washing of scrubbing tower 6, one for being successively linked in sequence and constituting circulation loop
Tank 7, one imitates washing pump 8, and two effect washers include the two effect effect washings of scrubbing tower 13, two for being successively linked in sequence and constituting circulation loop
Tank 14, two imitates washing pump 15, and triple effect washer includes that triple effect scrubbing tower 20, the triple effect that successively sequential connection constitutes circulation loop are washed
Tank 21, triple effect washing pump 22 are washed, an effect scrubbing tower 6 is connect by secondary steam delivery pipe with two effect heating rooms 10, two effect washings
Tower 13 heats room 17 with triple effect by secondary steam delivery pipe and connect, and triple effect scrubbing tower 20 passes through secondary steam delivery pipe and condensation
Device 23 connects.Scrubbing tower is used for the steaming exported to separation chamber, and washing tank is used for receiving and storing cleaning solution, washing pump
In making cleaning solution form circulation between scrubbing tower and washing tank.
Further, as shown in Fig. 2, being the structure chart of scrubbing tower, two effect scrubbing towers 13, triple effect scrubbing tower 20 are imitated with one
The structure of scrubbing tower 6 is identical, includes tower body 27, and the top of tower body 27 is equipped with venthole 28, and a upper lateral part of tower body 27 is equipped with
Liquid return hole 29, the bottom of tower body 27 are equipped with liquid outlet 30, are equipped with air intake 31 in the middle part of the other side of tower body 27.With an effect scrubbing tower
For 6, venthole 28 is connect with two effect heating rooms 10, and the steam of output is the secondary steam after washed tower is washed, is returned
Liquid mouth 29 is connect by an effect washing pump 8 with an effect washing tank 7, and the cleaning solution in an effect washing tank 7 is conveyed through an effect washing pump 8
Into an effect scrubbing tower 6, liquid outlet 30 is connect with an effect washing tank 7, and the cleaning solution cleaned is delivered to an effect washing tank 7, makes
Cleaning solution realization recycles, and air intake 31 is connect with an effect separation chamber 4, and the steam that an effect separation chamber 4 exports is through air intake 31
It is delivered in an effect scrubbing tower 6, steam is conveyed from the middle and lower part of scrubbing tower, is moved upwards, the middle and upper part of the washed tower of cleaning solution
Conveying, moves downward, conveys while steam is with cleaning solution, and the phosphorus containg substances in steam are dissolved in cleaning solution, realizes to steaming
The removal of phosphorus containg substances in vapour.
Wherein, cleaning solution employed in the present embodiment is aqueous solution identical with vapor (steam) temperature, pressure.
Further, an effect scrubbing tower 6, two imitates scrubbing tower 13, is equipped with wire mesh demister 32 in triple effect scrubbing tower 20, fills out
Material 33, wherein wire mesh demister 32 is placed in the top of liquid return hole 29, and wire mesh demister 32 is for further removing the mist in steam
Foam reduces the phosphorus content in steam, guarantees qualified discharge；Filler 33 is placed between air intake 31 and liquid return hole 29, filler 33
The motion path for extending cleaning solution and steam is set, increases the contact area of cleaning solution and steam, makes the phosphorus containg substances in steam
It is more fully dissolved in cleaning solution, improves the removal effect to phosphorus containg substances in steam.
Further, one effect scrubbing tower 6 and one effect washing pump 8 between pipeline on, two effect scrubbing towers 13 with two effect washing
It is respectively connected with cleaning solution recovery tube on pipeline on pipeline between pump 15, between triple effect scrubbing tower 20 and triple effect washing pump 22,
The washed liquid recovery tube outlet of the cleaning solution recycled.
Further, the side of condensate water pot 24 is connected with condensate draining pipe, and condensate draining pipe is equipped with condensed water
Pump 26.
Further, the top of condenser 23 is connected with exhaust pipe, and exhaust pipe is equipped with vacuum pump 25.In condenser 23
On-condensible gas is discharged under the action of vacuum pump 25 through exhaust pipe.
Further, the side of condenser 23 is connected with recirculated water upper hose, recirculated water return pipe.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (10)
1. a kind of phosphorus-containing wastewater evaporation concentration device, it is characterised in that: washed including preheater, triple effect evaporation crystallization apparatus, triple effect
Device, condenser and condensate water pot are washed, the triple effect evaporation crystallization apparatus includes 1st effective evaporator, 2nd effect evaporator, triple effect steaming
Device is sent out, the triple effect wash mill includes an effect washer, two effect washers, triple effect washer, the 1st effective evaporator, an effect
Washer, 2nd effect evaporator, two effect washers, triple effect evaporator, triple effect washer are successively linked in sequence；The preheater passes through
Material delivery pipe is connect with triple effect evaporator, and the preheater is connect by condensing hot air furnace pipe with 1st effective evaporator；Described three
It imitates washer to connect by the top of secondary steam delivery pipe and condenser, the triple effect evaporator and condenser pass through condensation
The connection of the top of water recovery tube and condensate water pot；Raw steam pipeline, discharge nozzle are connected on the 1st effective evaporator.
2. phosphorus-containing wastewater evaporation concentration device according to claim 1, it is characterised in that: the 1st effective evaporator include according to
Secondary be linked in sequence constitutes an effect heating room, the effect separation chamber of circulation loop, and the 2nd effect evaporator includes successively being linked in sequence
Two effect heating rooms, the two effect separation chambers of circulation loop are constituted, the triple effect evaporator includes successively being linked in sequence to constitute to be recycled back to
The triple effect on road heats room, triple effect separation chamber.
3. phosphorus-containing wastewater evaporation concentration device according to claim 2, it is characterised in that: an effect separation chamber and two effects
It heats the pipeline between room and is equipped with two effect punishment in advance pumps, the pipeline between the two effect separation chamber and triple effect heating room is equipped with three
Imitate punishment in advance pump.
4. phosphorus-containing wastewater evaporation concentration device according to claim 2, it is characterised in that: it is described one effect washer include according to
It is secondary be linked in sequence constitute circulation loop one effect scrubbing tower, one effect washing tank, one effect washing pump, it is described two effect washer include according to
It is secondary be linked in sequence constitute circulation loop two effect scrubbing towers, two effect washing tanks, two effect washing pumps, the triple effect washer include according to
Secondary be linked in sequence constitutes triple effect scrubbing tower, triple effect washing tank, the triple effect washing pump of circulation loop, and the effect scrubbing tower passes through two
Secondary steam pipeline is connect with two effect heating rooms, and the two effect scrubbing tower heats room by secondary steam delivery pipe and triple effect and connects
It connects, the triple effect scrubbing tower is connect by secondary steam delivery pipe with condenser.
5. phosphorus-containing wastewater evaporation concentration device according to claim 4, it is characterised in that: the effect scrubbing tower, two effects
Scrubbing tower, triple effect scrubbing tower include tower body, and the top of the tower body is equipped with venthole, and a upper lateral part of the tower body is equipped with back
Liquid mouth, the bottom of the tower body are equipped with liquid outlet, are equipped with air intake in the middle part of the other side of the tower body.
6. phosphorus-containing wastewater evaporation concentration device according to claim 5, it is characterised in that: the effect scrubbing tower, two effects
Wire mesh demister, filler are equipped in scrubbing tower, triple effect scrubbing tower, the wire mesh demister is placed in the top of liquid return hole, described
Filler is placed between the air intake and liquid return hole.
7. phosphorus-containing wastewater evaporation concentration device according to claim 4, it is characterised in that: an effect scrubbing tower and an effect
On pipeline between washing pump, it is described two effect scrubbing tower and two effect washing pumps between pipeline on, the triple effect scrubbing tower and three
Cleaning solution recovery tube is respectively connected on pipeline between effect washing pump.
8. phosphorus-containing wastewater evaporation concentration device according to claim 1, it is characterised in that: the discharge nozzle is equipped with discharging
Pump.
9. phosphorus-containing wastewater evaporation concentration device according to claim 1, it is characterised in that: the side of the condensate water pot connects
It is connected to condensate draining pipe, the condensate draining pipe is equipped with condensate pump.
10. phosphorus-containing wastewater evaporation concentration device according to claim 1, it is characterised in that: connect at the top of the condenser
It is connected to exhaust pipe, the exhaust pipe is equipped with vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821109376.6U CN208586080U (en) | 2018-07-13 | 2018-07-13 | Phosphorus-containing wastewater evaporation concentration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821109376.6U CN208586080U (en) | 2018-07-13 | 2018-07-13 | Phosphorus-containing wastewater evaporation concentration device |
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| Publication Number | Publication Date |
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| CN208586080U true CN208586080U (en) | 2019-03-08 |
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ID=65540871
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821109376.6U Active CN208586080U (en) | 2018-07-13 | 2018-07-13 | Phosphorus-containing wastewater evaporation concentration device |
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| CN (1) | CN208586080U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357192A (en) * | 2019-08-09 | 2019-10-22 | 广州市中绿环保有限公司 | A kind of small-sized evaporation drying device of electromagnetic heating and its application |
| CN114044597A (en) * | 2021-10-12 | 2022-02-15 | 铜陵有色金属集团股份有限公司 | Sodium sulfate evaporation crystallization device and use method thereof |
-
2018
- 2018-07-13 CN CN201821109376.6U patent/CN208586080U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357192A (en) * | 2019-08-09 | 2019-10-22 | 广州市中绿环保有限公司 | A kind of small-sized evaporation drying device of electromagnetic heating and its application |
| CN114044597A (en) * | 2021-10-12 | 2022-02-15 | 铜陵有色金属集团股份有限公司 | Sodium sulfate evaporation crystallization device and use method thereof |
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