CN115028222A - High-salinity wastewater treatment system and treatment process thereof - Google Patents
High-salinity wastewater treatment system and treatment process thereof Download PDFInfo
- Publication number
- CN115028222A CN115028222A CN202210857144.3A CN202210857144A CN115028222A CN 115028222 A CN115028222 A CN 115028222A CN 202210857144 A CN202210857144 A CN 202210857144A CN 115028222 A CN115028222 A CN 115028222A
- Authority
- CN
- China
- Prior art keywords
- steam
- evaporation
- salinity wastewater
- feeding
- kettle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000001704 evaporation Methods 0.000 claims abstract description 95
- 230000008020 evaporation Effects 0.000 claims abstract description 93
- 238000010438 heat treatment Methods 0.000 claims abstract description 45
- 239000002351 wastewater Substances 0.000 claims abstract description 43
- 238000001035 drying Methods 0.000 claims abstract description 40
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 32
- 238000003756 stirring Methods 0.000 claims description 31
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 11
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 2
- 239000012452 mother liquor Substances 0.000 abstract description 40
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 150000003839 salts Chemical class 0.000 description 15
- 238000007701 flash-distillation Methods 0.000 description 11
- 239000007787 solid Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000004821 distillation Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000008258 liquid foam Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 101710088194 Dehydrogenase Proteins 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/043—Details
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/06—Flash evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/08—Thin film evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
The invention belongs to the technical field of wastewater treatment, and particularly relates to a high-salinity wastewater treatment system and a treatment process thereof; the system comprises a feeding system for feeding the high-salinity wastewater, an evaporation system for flashing and drying the high-salinity wastewater, a heating system for heating the evaporation system and a condensing system for condensing steam, wherein the evaporation system comprises a scraper evaporator and a coulter dryer, and the treatment process comprises the following steps: s1, starting an evaporation system and a heating system; s2, feeding through a feeding system; s3, flash evaporation is carried out through a scraper evaporator; s4, concentrating and drying through a coulter dryer; s5, closing the feeding system and the heating system, and discharging; the equipment can effectively treat high-concentration and high-salt mother liquor; the cost performance is high; the one-stop treatment thoroughly solves the mother liquor problem; the performance is good, the efficiency is high, and the energy consumption is low; the treatment time is short, and the continuity is high; the operation is simple.
Description
Technical Field
The invention belongs to the technical field of wastewater treatment, and particularly relates to a high-salinity wastewater treatment system and a treatment process thereof.
Background
The high-salinity wastewater is wastewater with the total salt mass fraction of at least 20%, the wastewater contains various substances (including salt, oil, organic heavy metals and radioactive substances), the organic substances of the high-salinity organic wastewater have large differences in the types and chemical properties of the organic substances according to different production processes, the salt concentration is high, the osmotic pressure is high, and the microbial cells are dehydrated to cause cell plasma substance separation; the salting-out action reduces the dehydrogenase activity; the chloride ions have toxic action on bacteria; the salt concentration is high, the density of the wastewater is increased, and the activated sludge is easy to float and run off, so that the purification effect of a biological treatment system is seriously influenced; aiming at the problem of how to treat high-salinity wastewater, a distillation desalting method is conventionally adopted at present; after distillation and concentration, solid-liquid separation is realized through equipment facilities such as a centrifuge, a filter and the like, and the solid is called waste salt and the liquid is called mother liquor collectively.
The mother liquor is thick slurry liquid containing comprehensive substance components such as high-risk substances, saturated saline water, glue oil and the like, has low salt purity and small crystal grains, and can pass through filter materials; the components are complex; the high-viscosity high-viscosity high-viscosity; the direct consignation of solid waste treatment is too high in cost.
For example, chinese patent application No. (CN201410381187.4) discloses a zero-emission treatment method for high-salt wastewater, which treats high-salt wastewater by membrane distillation, crystallization and membrane filtration, but the mother liquor of high-salt wastewater has the characteristics of high viscosity, low salt purity, small crystal grains, etc., and is easy to affect the filtration effect, and needs to be treated many times, the process is complex, the difficulty is high, and the cost is high, and at the same time, the high viscosity makes the filter cloth cleaned frequently, and the treatment efficiency is easy to affect and needs to be improved.
Disclosure of Invention
The invention aims to provide a high-salinity wastewater treatment system and a treatment process thereof aiming at the technical problems, and the high-salinity wastewater treatment system and the treatment process thereof achieve the effects of high efficiency, low energy consumption, simple operation and low cost.
In view of the above, the present invention provides a high salinity wastewater treatment system, comprising:
the feeding system is used for feeding the high-salinity wastewater;
the evaporation system comprises a scraper evaporator, is provided with a feed inlet, a discharge outlet and an air outlet, and is used for flash evaporation treatment of the high-salinity wastewater;
the heating system is arranged on the evaporation system and is used for heating the evaporation system;
the condensing system is communicated with the air outlet and is used for condensing the steam at the air outlet;
wherein, the feeding system is communicated with the feeding hole.
In this technical scheme, carry out the negative pressure flash distillation to the mother liquor of high salt waste water through adopting the evaporimeter of scraping the board-like, get rid of most water that contains in the mother liquor, need not filter, avoided the installation to dismantle the frequent washing of filter cloth, work efficiency is high, and the continuation is strong, and the process is simple, and the degree of difficulty is little, and the cost is lower, and practical function is good.
In the above technical solution, further, the evaporation system further includes:
the coulter dryer is communicated with the scraper evaporator, and the discharge hole is formed in the coulter dryer and is used for further concentrating and drying the high-salinity wastewater;
wherein, the gas outlet includes the first gas outlet of seting up on the scraper blade evaporimeter and sets up the second gas outlet on the coulter desicator.
In this technical scheme, further dry through the mother liquor of coulter desicator after to the flash distillation for the solid useless processing that can directly carry out admittedly that comes out from the discharge gate, avoid handling the direct entrust of mother liquor, handle the solid useless quantity reduction of back a lot, the packing is changed into in bags by original barrelling, has simplified the packing, reduces treatment cost, and the one-stop is handled, and the performance is good, and is efficient, and the energy consumption is low, and the process time is short, the simple operation.
In the above technical solution, further, the evaporator with scraper includes:
the device comprises an evaporation kettle, wherein a first rotating shaft is axially arranged in the evaporation kettle, a first stirring rod is arranged on the surface of the first rotating shaft, and a scraper is arranged at one end, far away from the first rotating shaft, of the first stirring rod;
the first motor is arranged on the evaporation kettle and is used for driving the first rotating shaft;
and the distribution device is arranged in the evaporation kettle and is used for uniformly flowing the high-salinity wastewater to the inner wall of the evaporation kettle.
In this technical scheme, through set up distributor in the evaporation cauldron for mother liquor is when entering into the evaporation cauldron, by on the even direction evaporation cauldron's of distributor the inner wall, and the liquid film is scraped into to the mother liquor on the evaporation cauldron inner wall to the rethread scraper blade, guarantees flash distillation efficiency and flash distillation effect.
In the above technical solution, further, the coulter dryer includes:
the feeding of the drying kettle is connected with the discharging of the evaporation kettle, a second rotating shaft is axially arranged in the drying kettle, a second stirring rod is arranged on the surface of the second rotating shaft, and a coulter is arranged at one end, far away from the second rotating shaft, of the second stirring rod;
the second motor is arranged on the drying kettle and is used for driving a second rotating shaft;
and the scraping rods are positioned between every two radial adjacent second stirring rods and are used for reducing the adhesion of materials in the drying kettle.
In this technical scheme, through setting up in dry cauldron and scraping the material stick, strike off attached to most material on second pivot, second puddler and coulter through scraping the material stick, avoid taking place long-pending material, influence drying efficiency and drying effect.
In the above technical solution, further, the feeding system includes:
the first feeding pump is connected with the feeding port and is used for feeding high-salinity wastewater of the evaporation system;
the feeding valve is arranged between the first feeding pump and the evaporation kettle;
the first preheater is arranged between the first feeding pump and the feeding hole and is used for preheating the high-salinity wastewater;
wherein, first steam inlet and first steam outlet have been seted up on the first preheater, and first steam inlet links to each other with the gas outlet, and first steam outlet links to each other with condensing system.
In this technical scheme, through setting up first pre-heater, preheat the mother liquor, flash distillation effect and flash distillation efficiency when guaranteeing the mother liquor and get into in the reation kettle to utilize the steam that produces in scraper blade evaporimeter and the coulter desicator as the heat source of first pre-heater, avoid additionally increasing the heating source, reduce the energy loss, have better energy-conserving effect.
In the above technical solution, further, the feeding system further includes:
and the cleaning system comprises a second feeding pump, and the second feeding pump is connected with the first feeding pump in parallel and is communicated with the inlet of the first preheater.
In the technical scheme, the cleaning system is arranged in the feeding system, so that a small amount of cleaning water is continuously introduced after feeding is finished, accumulated materials on the inner wall of the evaporation kettle are humidified, the flowability is improved, the accumulated materials fall, flash evaporation is continued in the process of falling of the accumulated materials, most of cleaning water is removed, the cleaning system can clean the accumulated materials on the inner wall of the evaporation kettle, the cleaning water can be prevented from entering the coulter dryer to increase the power consumption of the coulter dryer, the structure is simple, the cost is low, and the practical effect is good.
In the above technical solution, further, the feeding system further includes:
the control system comprises a flow meter and a PLC (programmable logic controller), and the flow meter is arranged between the first feeding pump and the first preheater and between the second feeding pump and the first preheater;
wherein, the PLC controller is used for controlling the flow size of feed valve, and the flowmeter is used for detecting feedback flow size.
In this technical scheme, through control system, control the feed valve, effectively adjust the feed rate of mother liquor to guarantee that mother liquor feed flow matches with evaporation rate, in order to reach and to evaporate the moisture more than 70%, can make the mother liquor keep certain mobility after becoming the concentrate again, prevent to block up, improve equipment's persistence.
In the above technical solution, further, the heating system includes:
the heating jacket is wrapped on the outer surfaces of the evaporation kettle and the drying kettle, and an annular heating cavity is formed in the heating jacket;
the outlet of the steam generator is communicated with the annular heating cavity and is used for providing high-temperature steam for the annular heating cavity;
one side of the second preheater is communicated with the annular heating cavity, and the other side of the second preheater is connected with an inlet of the steam generator;
the second preheater is provided with a second steam inlet and a second steam outlet, the second steam inlet is connected with the air outlet, and the second steam outlet is connected with the condensing system.
In this technical scheme, through adopting the steam that produces in scraper blade evaporimeter and the coulter desicator as the heat source of second pre-heater to preheat steam water through the second pre-heater, make steam water get into steam generator and back turn into the efficiency and the effect of steam, reduce steam generator's energy consumption, have better energy-conserving effect.
In the above technical solution, further, the condensing system includes:
the inlet of the condenser is communicated with the first steam outlet and the second steam outlet;
the inlet of the receiving tank is communicated with the outlet of the condenser;
wherein, the condenser is provided with a cooling water inlet and a cooling water outlet.
In this technical scheme, the excessive steam that comes out in with first pre-heater and second pre-heater through the condenser condenses, collects simultaneously, avoids externally discharging, realizes zero release effect.
The invention provides a treatment process of a high-salinity wastewater treatment system, which comprises the following steps:
s1: and starting the scraper evaporator, the coulter dryer and the steam generator, introducing high-temperature steam generated by the steam generator into the evaporation kettle and the annular heating cavity in the heating jacket on the outer surface of the drying kettle, and keeping the temperature in the evaporation kettle and the drying kettle at 70-90 ℃ and the vacuum degree at 0.07-0.09 Mpa.
S2: high-salinity wastewater is conveyed by a first feeding pump, enters the evaporation kettle after passing through a first preheater, and the temperature of the first preheater is 60-65 ℃.
S3: the distributing device evenly flows to the inner wall with high salt waste water, and first motor starts, drives first pivot and drives first puddler and scraper blade, forms the liquid film with high salt waste water on the inner wall, and high salt waste water begins the distillation, and steam is gone out from the gas outlet, and the concentrate falls into at the bottom of the evaporation kettle cauldron.
S4: and (4) further concentrating and drying the concentrated solution by using the coulter dryer, closing the first feeding pump and opening the second feeding pump when the material is over the second rotating shaft, and closing the second feeding pump after 10 min.
S5: when the steam quantity of a second air outlet on the coulter dryer is continuously smaller and the current of a second motor is obviously increased, the steam is closed, the vacuum is stopped, and the materials are discharged from a discharge hole on the coulter dryer.
In this technical scheme, carry out the flash distillation through the scraper evaporator to the mother liquor, get rid of the moisture that most contains, guarantee mobility simultaneously, then get into the coulter desicator and carry out further concentration and drying to make and directly handle as solid useless through discharge gate discharge, need not handle many times, the treatment effeciency is high, and need not filter, has avoided frequent washing to the filter cloth, and the cost is lower.
The invention has the beneficial effects that: the high-concentration and high-salt mother liquor can be effectively treated; the cost performance is high; the one-stop treatment thoroughly solves the mother liquor problem; the performance is good, the efficiency is high, and the energy consumption is low; the treatment time is short, and the persistence is high; the operation is simple.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the configuration of the blade evaporator of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
FIG. 4 is a schematic view of the feed loop configuration of the scraped surface evaporator of the present invention;
FIG. 5 is a schematic view of the plow dryer of the present invention;
FIG. 6 is a schematic view of a portion of the interior of the coulter dryer of the present invention;
FIG. 7 is a schematic view of the configuration of the coulter dryer coulter of the present invention;
the labels in the figures are: 10. a first feed pump; 11. a feed valve; 12. a first preheater; 120. a first steam inlet; 121. a first steam outlet; 13. a second feed pump; 14. a flow meter; 15. a PLC controller; 16. a feed loop; 160. feeding a straight pipe; 161. bevel connection; 17. an electromagnetic valve; 18. a defoaming device; 180. a mounting frame; 181. a defoaming net; 20. a scraper evaporator; 200. evaporating the kettle; 201. a first rotating shaft; 202. a first stirring rod; 203. a squeegee; 204. a first motor; 205. a distribution device; 2050. an arc-shaped plate; 2051. a connecting rod; 2052. a flow guide hopper; 2052a, a connecting plate; 2052b, an upper baffle; 2052c, a deflector; 21. a feed inlet; 22. a discharge port; 23. an air outlet; 230. a first air outlet; 231. a second air outlet; 24. a coulter dryer; 240. drying the kettle; 241. a second rotating shaft; 242. a second stirring rod; 243. a coulter; 2430. mounting grooves; 2431. a mounting frame; 2432. a cutter head; 2433. rake teeth; 244. a second motor; 245. scraping the material rod; 246. reinforcing ribs; 25. a connecting cylinder; 30. heating the jacket; 31. an annular heating cavity; 32. a steam generator; 33. a second preheater; 330. a second steam inlet; 331. a second steam outlet; 40. a condenser; 400. a cooling water inlet; 401. a cooling water outlet; 41. a receiving tank.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.
Example 1:
the embodiment provides a high salt effluent disposal system, includes:
the feeding system is used for feeding the high-salinity wastewater;
the evaporation system comprises a scraper evaporator 20, is provided with a feed inlet 21, a discharge outlet 22 and an air outlet 23, and is used for negative-pressure flash evaporation treatment of high-salinity wastewater;
the heating system is arranged on the evaporation system and is used for heating the evaporation system;
the condensing system is communicated with the air outlet 23 and is used for condensing the steam at the air outlet 23;
wherein the feed system is in communication with the feed inlet 21.
According to the embodiment, the negative pressure flash evaporation is carried out on the mother liquor of the high-salinity wastewater by adopting the scraper type evaporator, most of water contained in the mother liquor is removed, the filtering is not needed, frequent cleaning of the filter cloth during installation and disassembly is avoided, the working efficiency is high, the continuity is strong, the process is simple, the difficulty is low, the cost is low, and the practical effect is good.
Example 2:
the embodiment provides a high salinity wastewater treatment system, in addition to the technical scheme that includes the above-mentioned embodiment, still has following technical characteristics, and evaporation system still includes:
a coulter dryer 24, wherein the coulter dryer 24 is communicated with the scraper evaporator 20, and a discharge hole 22 is arranged on the coulter dryer 24 and is used for further concentrating and drying the high-salinity wastewater;
the connecting cylinder 25 is arranged between the scraper evaporator 20 and the coulter dryer 24, the two ends of the connecting cylinder 25 are flange ends, the middle section of the connecting cylinder is a corrugated expansion joint, and the connecting cylinder 25 is respectively communicated with the scraper evaporator 20 and the coulter dryer 24;
wherein, the air outlet 23 comprises a first air outlet 230 arranged on the scraper evaporator 20 and a second air outlet 231 arranged on the coulter dryer 24; the two ends of the connecting cylinder 25 are connected with the scraper evaporator 20 and the coulter dryer 24 by bolts, and the corrugated expansion joint at the middle section of the connecting cylinder 25 is preferably made of rubber.
It can be seen that in the embodiment, further dry the mother liquor through after the flash distillation through coulter desicator 24, make the solid useless that comes out from discharge gate 22 can directly carry out solid useless processing, avoid handling the direct entrust of mother liquor, the solid useless quantity reduces a lot after handling, the packing is changed into in bags by original barrelling, the packing has been simplified, reduce treatment cost, and the one-stop type is handled, high performance, high efficiency, the energy consumption is low, the process time is short, the simple operation, and connecting cylinder 25 middle section sets to the ripple expansion joint, can effectively reduce and carry the possibility that takes place to block up between scraper evaporator 20 and coulter desicator 24, carry the convenience, the mutual interference that the vibrations that has also avoided simultaneously because of the equipment operation caused.
Example 3:
the embodiment provides a high-salinity wastewater treatment system, which comprises the technical scheme of the embodiment and also has the following technical characteristics, wherein the scraper evaporator 20 comprises:
the evaporation kettle 200 is internally provided with a first rotating shaft 201 which is axially arranged, the surface of the first rotating shaft 201 is provided with a first stirring rod 202, and one end of the first stirring rod 202, which is far away from the first rotating shaft 201, is provided with a scraper 203;
a first motor 204, wherein the first motor 204 is installed on the evaporation kettle 200 and is used for driving the first rotating shaft 201;
the distribution device 205, the distribution device 205 is installed in the evaporation kettle 200, and is used for uniformly flowing the high-salinity wastewater to the inner wall of the evaporation kettle 200;
wherein, the distribution device 205 comprises:
the arc plate 2050 is attached to the surface of the first rotating shaft 201, and is detachably connected with the first rotating shaft 201;
the connecting rod 2051 is arranged on one surface, far away from the axis, of the arc-shaped plate 2050;
the flow guide bucket 2052 is annular, is sleeved on the surface of the first rotating shaft 201, and is connected with one end, far away from the arc-shaped plate 2050, of the connecting rod 2051 on one surface of the axis;
wherein, water conservancy diversion fill 2052 includes:
a connecting plate 2052a, wherein the connecting plate 2052a is connected with one end of the connecting rod 2051 far away from the arc-shaped plate 2050;
an upper baffle 2052b, the upper baffle 2052b is mounted at the top end of the connecting plate 2052 a;
the guide plate 2052c is arranged at the bottom end of the connecting plate 2052a, and one end of the guide plate 2052c, which is far away from the axis, is inclined downwards;
a gap is formed between one surface of the connecting plate 2052a, which is far away from the axis, and the guide plate 2052c and the inner wall of the evaporation kettle 200; preferentially adopt the coupling joint between the output shaft of first pivot 201 and first motor 204, preferentially adopt the welding between first puddler 202 and the first pivot 201, preferentially adopt bolt erection joint between arc 2050 and the first pivot 201, all adopt the welding between connecting rod 2051 both ends respectively and arc 2050 and the water conservancy diversion fill 2052, and preferentially adopt the welding between connecting plate 2052a, last baffle 2052b and the water conservancy diversion fill 2052 c.
In this embodiment, it can be seen that, by arranging the distribution device 205 in the evaporation kettle 200, when the mother liquid enters the evaporation kettle 200, the mother liquor is guided to the inner wall of the evaporation kettle 200 in a centrifugal mode through the rotating distribution device 205, and then the mother liquor on the inner wall of the evaporation kettle 200 is scraped into a liquid film through the scraper 203, so that the mother liquor can uniformly and stably flow downwards along the inner wall of the evaporation kettle 200, thereby ensuring the flash evaporation efficiency and the flash evaporation effect, and the detachable connection of the arc-shaped plate 2050 is convenient for the installation and adjustment of the flow guide bucket 2052, ensures the effect of the distribution device 205, meanwhile, the structure strength is high, the stability is good, meanwhile, the upper baffle 2052b can prevent mother liquor from entering the guide hopper 2052, splashes after impacting the connecting plate 2052a, so that the mother liquor is only splashed in the diversion bucket 2052, and reduce the impact of mother liquor, guarantee that the mother liquor is even and stable flows out from guide plate 2052c, guarantee the effect of distribution device 205.
Example 4:
the embodiment provides a high-salinity wastewater treatment system, which comprises the technical scheme of the embodiment and is characterized in that the coulter dryer 24 comprises:
the feeding of the drying kettle 240 is connected with the discharging of the evaporation kettle 200, a second rotating shaft 241 is axially arranged in the drying kettle 240, a second stirring rod 242 is arranged on the surface of the second rotating shaft 241, and a coulter 243 is arranged at one end, far away from the second rotating shaft 241, of the second stirring rod 242;
a second motor 244, wherein the second motor 244 is installed on the drying kettle 240 and is used for driving a second rotating shaft 241;
the scraping rods 245 are positioned between every two radially adjacent second stirring rods 242 and are used for reducing adhesion of materials in the drying kettle 240;
a reinforcing rib 246, wherein the reinforcing rib 246 is positioned at one end of the second stirring rod 242 close to the second rotating shaft 241;
wherein the coulter 243 includes:
the mounting groove 2430 is obliquely formed at one end of the second stirring rod 242 away from the second rotating shaft 241;
the mounting frame 2431, the mounting frame 2431 is positioned in the mounting groove 2430;
the cutter head 2432 is installed in the mounting frame 2431, and one side of the cutter head 2432, which is close to the inner wall of the drying kettle 240, extends out of the mounting frame 2431;
rake teeth 2433, the rake teeth 2433 being installed at one end of the cutter head 2432 near the inner wall of the drying vessel 240 and facing the direction in which the cutter head 2432 follows the second agitating bar 242;
wherein, the included angle between the mounting groove 2430 and the second rotating shaft 241 is 45 degrees; the second stirring rods 242 which are adjacent to each other along the radial direction are distributed in a staggered manner; the reinforcing rib 246, the second rotating shaft 241 and the second stirring rod 242 are preferably welded, the scraping bar 245 is preferably made of a non-metal material, the cutter head 2432, the mounting frame 2431 and the second stirring rod 242 are preferably connected through bolts, and the rake teeth 2433 and the cutter head 2432 are preferably connected through bolts.
In this embodiment, it can be seen that, by arranging the scraping rod 245 in the drying kettle 240, most of the materials attached to the second rotating shaft 241, the second stirring rod 242 and the coulter 243 are scraped by the scraping rod 245, so that material accumulation is avoided, and drying efficiency and drying effect are not affected, while the reinforcing rib 246 effectively improves the structural strength and stability of the second stirring rod 242 mounted on the second rotating shaft 241, and improves the supporting strength and stability of the second stirring rod 242 to the scraping rod 245;
meanwhile, the installation groove 2430 and the installation frame 2431 facilitate the installation and the disassembly of the sheet-type coulter 243, the maintenance and the replacement of the damaged sheet-type coulter 243 are improved, the maintenance efficiency is improved, the included angle of 45 degrees between the installation groove 2430 and the second rotating shaft 241 can reduce the influence of the material scraping rod 245 on the action surface of the coulter 243 (when the material scraping rod 245 is pushed by the coulter 243 to ascend along the inner wall of the drying kettle 240), the effect of the coulter 243 for rolling materials is ensured, meanwhile, the inclined coulter 243 can reduce the resistance area when the coulter 243 is stirred along with the second stirring rod 242, so that the resistance is reduced, and the energy loss of the motor can be reduced to a certain extent;
and the rake teeth 2433 are arranged and the second stirring rods 242 which are adjacent to each other along the radial direction are distributed in a staggered manner, so that the shearing effect on the materials is improved, a large stirring effective area is achieved by using a small number of the second stirring rods 242, the stirring on the materials is guaranteed, the drying efficiency and the drying effect of the materials are guaranteed, and the convenience in the following and rotating process of the colter 243 can be improved due to the arrangement of the rake teeth 2433.
Example 5:
the embodiment provides a high salinity wastewater treatment system, in addition to the technical scheme that includes the above-mentioned embodiment, still has following technical characteristics, and feed system includes:
the first feeding pump 10 is connected with the feeding port 21, and is used for feeding high-salinity wastewater of the evaporation system;
a feed valve 11, wherein the feed valve 11 is arranged between the first feed pump 10 and the evaporation kettle 200;
the first preheater 12, the first preheater 12 is installed between the first feed pump 10 and the feed inlet 21, and is used for preheating the high-salinity wastewater;
the feeding ring pipe 16 is sleeved on the surface of the evaporation kettle 200, the outer side of the feeding ring pipe 16 is communicated with the first feeding pump 10, and the circumference of the inner side of the feeding ring pipe 16 is provided with a plurality of feeding straight pipes 160 penetrating through the evaporation kettle 200;
a plurality of electromagnetic valves 17, wherein the electromagnetic valves 17 are respectively arranged on the plurality of feeding straight pipes 160;
the bevel opening 161 is formed in one end, close to the diversion hopper 2052, of the feeding straight pipe 160, and is positioned on one surface, close to the upper baffle 2052b, of the feeding straight pipe 160;
the defoaming device 18 is mounted on the first rotating shaft 201, is positioned above the distribution device 205, and is used for blocking liquid foam entrained in the steam;
wherein the defoaming device 18 includes:
the mounting rack 180 is sleeved on the first rotating shaft 201;
and the defoaming net 181, the defoaming net 181 is installed on one side of the mounting frame 180 far away from the first rotating shaft 201.
Wherein, the first preheater 12 is provided with a first steam inlet 120 and a first steam outlet 121, the first steam inlet 120 is connected with the air outlet 23, and the first steam outlet 121 is connected with the condensing system; a plurality of feeding straight pipes 160 extend into the evaporation kettle 200 and are arranged corresponding to the diversion hopper 2052; the feeding ring pipe 16, the feeding straight pipe 160 and the electromagnetic valve 17 are preferably connected by flange bolts, the mounting frame 180 and the first rotating shaft 201 are preferably fixed by bolts, and the defoaming net 181 is preferably made of metal mesh and is preferably fixed by bolts.
In the embodiment, the first preheater 12 is arranged to preheat the mother liquor, so that the flash evaporation effect and the flash evaporation efficiency of the mother liquor entering the evaporation kettle 200 are ensured, and the steam generated in the scraper evaporator 20 and the coulter dryer 24 is used as the heat source of the first preheater 12, so that an additional heat source is avoided, the energy loss is reduced, and a better energy-saving effect is achieved; by adopting the feeding ring pipe 16 and multipoint feeding, the feeding uniformity is effectively improved, the phenomenon that the local heating efficiency is too low or the local heating efficiency is too high due to the existence of material unevenness on the inner wall of the evaporation kettle 200, the overall flash evaporation efficiency and the flash evaporation effect are influenced is reduced, the electromagnetic valve 17 is adopted for on-off, the automatic control effect of equipment is ensured, the inclined opening 161 can prevent mother liquor from impacting the guide plate 2052c after entering the guide hopper 2052, and the mother liquor is prevented from uniformly and stably flowing out of the guide plate 2052 c; and through setting up defoaming device 18, play the effect that blocks to the partial liquid foam that steam that produces after the mother liquor evaporation carried, avoid steam to carry the mother liquor liquid drop, guarantee that the mother liquor liquid drop does not discharge from first gas outlet 230 along with steam, play better defoaming effect.
Example 6:
the embodiment provides a high salinity wastewater treatment system, in addition to the technical scheme that includes the above-mentioned embodiment, still has following technical characteristics, and the feed system still includes:
and the cleaning system comprises a second feeding pump 13, and the second feeding pump 13 is connected with the first feeding pump 10 in parallel, is communicated with the inlet of the first preheater 12 and is used for conveying cleaning water to the evaporation kettle 200.
This embodiment can be seen from, through set up cleaning system in feed system, thereby continue to let in a small amount of washing water after the feeding (close first charge pump 10, open second charge pump 13), carry out the humidification to long-pending material on the evaporation cauldron 200 inner wall, improve mobility, long-pending material whereabouts, and continue the flash distillation at the in-process of long-pending material whereabouts, get rid of most washing water, make cleaning system both can clear up the long-pending material of evaporation cauldron 200 inner walls and can avoid wasing water and get into coulter desicator 24 and increase its consumption again, simple structure is with low costs, and practical function is good.
Example 7:
the embodiment provides a high salinity wastewater treatment system, in addition to the technical scheme that includes the above-mentioned embodiment, still has following technical characteristics, and the feed system still includes:
the control system comprises a flowmeter 14, a pressure sensor and a PLC (programmable logic controller) 15 and is used for controlling the feeding system;
wherein flow meters 14 are installed between the first feed pump 10 and the first preheater 12 and between the second feed pump 13 and the first preheater 12, and are used to measure the feed flow rate;
the pressure sensor is arranged in the jacket and used for detecting the steam pressure in the heating jacket 30;
the PLC 15 is electrically connected with the flowmeter 14 and the pressure sensor, and controls the feeding valve 11 through signals fed back by the flowmeter 14 and the pressure sensor to control the feeding amount;
the pressure of steam in the heating jacket 30 is detected through a pressure sensor, and the steam pressure in the jacket is stable during feeding because the steam pressure is in direct proportion to the steam temperature, so that the steam temperature is known through detecting the steam pressure, namely the higher the steam pressure is, the larger the temperature difference between the heating jacket 30 and the evaporation kettle 200 is, the larger the evaporation capacity is, through a pre-simulation test, under the conditions of different steam pressures, vacuum degrees and feeding flow rates, the evaporation rate of mother liquor is determined, therefore, in the actual treatment process, the vacuum degree is kept constant, the evaporation rate is determined through measuring the feeding flow rate and the steam pressure, the feeding flow rate is changed through adjusting the feeding valve 11, the evaporation rate is changed, and automatic control is realized.
This embodiment can be seen from, through automatic setting, through parameter test and setting in advance, detect and feed back by flowmeter 14 and pressure sensor, after handling through PLC controller 15, adjust feed valve 11, guarantee to the regulation and control of feeding flow and evaporation rate, guarantee to evaporate the moisture more than 70%, can make the mother liquor after being handled again keep certain mobility, the ejection of compact of being convenient for prevents to take place the condition of jam, improve flash distillation efficiency and effect, guarantee the continuation of equipment.
Example 8:
the embodiment provides a high salinity wastewater treatment system, which comprises the technical scheme of the embodiment and also has the following technical characteristics, wherein the heating system comprises:
the heating jacket 30 is wrapped on the outer surfaces of the evaporation kettle 200 and the drying kettle 240, and an annular heating cavity 31 is formed in the heating jacket 30;
the outlet of the steam generator 32 is communicated with the annular heating cavity 31 and is used for providing high-temperature steam for the annular heating cavity 31;
one side of the second preheater 33 is communicated with the annular heating cavity 31, and the other side of the second preheater 33 is connected with an inlet of the steam generator 32;
the second preheater 33 is provided with a second steam inlet 330 and a second steam outlet 331, the second steam inlet 330 is connected with the air outlet 23, and the second steam outlet 331 is connected with the condensing system.
In the embodiment, it can be seen that, by using the steam generated in the scraper evaporator 20 and the coulter dryer 24 as the heat source of the second preheater 33 and preheating the steam water by the second preheater 33, the efficiency and the effect of converting the steam water into the steam after entering the steam generator 32 are improved, the energy consumption of the steam generator 32 is reduced, and the energy saving effect is better.
Example 9:
the embodiment provides a high salinity wastewater treatment system, in addition to the technical scheme that includes the above-mentioned embodiment, still has following technical characteristics, and the condensing system includes:
a condenser 40, an inlet of the condenser 40 is communicated with the first steam outlet 121 and the second steam outlet 331;
a receiving tank 41, wherein the inlet of the receiving tank 41 is communicated with the outlet of the condenser 40;
wherein, the condenser 40 is provided with a cooling water inlet 400 and a cooling water outlet 401; the condensed water in the receiving tank 41 can be used for cleaning water of the system or steam water of the steam generator 32, i.e., the receiving tank 41 is communicated with the second feed pump 13 and the second preheater 33.
In the embodiment, it can be seen that the excessive steam coming out from the first preheater 12 and the second preheater 33 is condensed by the condenser 40, and is collected at the same time, so as to avoid external emission and achieve zero emission effect.
Example 10:
the embodiment provides a treatment process of a high-salinity wastewater treatment system, which comprises the following steps of:
s1: the scraper evaporator 20, the coulter dryer 24 and the steam generator 32 are started, high-temperature steam generated by the steam generator 32 is introduced into the annular heating cavity 31 in the heating jacket 30 on the outer surfaces of the evaporation kettle 200 and the drying kettle 240, the temperature in the evaporation kettle 200 and the drying kettle 240 is kept at 70-90 ℃, and the vacuum degree is kept at 0.07-0.09 Mpa.
S2: the high-salinity wastewater is conveyed by a first feed pump 10, passes through a first preheater 12 and then enters an evaporation kettle 200, and the temperature of the first preheater 12 is 60-65 ℃.
S3: the distribution device 205 evenly flows to the inner wall with high salt waste water, and first motor 204 starts, drives first pivot 201 and drives first puddler 202 and scraper blade 203, forms the liquid film with high salt waste water on the inner wall, and high salt waste water begins the distillation, and steam is gone out from gas outlet 23, and the concentrate falls into at the bottom of the cauldron of evaporating kettle 200.
S4: the coulter dryer 24 further concentrates and dries the concentrated solution, when the material is over the second rotating shaft 241, the first feeding pump 10 is closed, the second feeding pump 13 is opened, and the second feeding pump 13 is closed after 10 min.
S5: when the steam amount at the second air outlet 231 on the coulter dryer 24 is continuously smaller and the current of the second motor 244 is obviously increased, the steam is closed, the vacuum is stopped, and the materials are discharged from the discharge hole 22 on the coulter dryer 24.
It can be seen that in this embodiment, carry out the flash distillation through scraper evaporator 20 to the mother liquor, get rid of most moisture that contains, guarantee mobility simultaneously, then get into coulter desicator 24 and carry out further concentration and drying to make and directly handle as solid useless through discharge gate 22 discharge, need not pass through multiple treatment, the treatment effeciency is high, and need not pass through the filtration, has avoided the frequent washing to the filter cloth, and the cost is lower.
While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present application and the claims.
Claims (10)
1. A high salinity wastewater treatment system, comprising:
a feed system for feeding high salinity wastewater;
the evaporation system comprises a scraper evaporator (20), is provided with a feeding hole (21), a discharging hole (22) and an air outlet (23), and is used for negative pressure flash evaporation treatment of high-salinity wastewater;
the heating system is arranged on the evaporation system and is used for heating the evaporation system;
the condensing system is communicated with the air outlet (23) and is used for condensing the steam of the air outlet (23);
wherein the feeding system is communicated with the feeding hole (21).
2. The high salinity wastewater treatment system according to claim 1, wherein said evaporation system further comprises:
the coulter dryer (24), the coulter dryer (24) is communicated with the scraper evaporator (20), and the discharge hole (22) is formed in the coulter dryer (24) and is used for further concentrating and drying the high-salinity wastewater;
the air outlet (23) comprises a first air outlet (230) arranged on the scraper evaporator (20) and a second air outlet (231) arranged on the coulter dryer (24).
3. The high salinity wastewater treatment system according to claim 2, characterized in that, scraper evaporator (20) comprises:
the device comprises an evaporation kettle (200), wherein a first rotating shaft (201) is axially arranged in the evaporation kettle (200), a first stirring rod (202) is arranged on the surface of the first rotating shaft (201), and a scraper (203) is arranged at one end, far away from the first rotating shaft (201), of the first stirring rod (202);
the first motor (204), the first motor (204) is installed on the evaporation kettle (200) and is used for driving the first rotating shaft (201);
the distribution device (205) is installed in the evaporation kettle (200) and is used for enabling high-salinity wastewater to uniformly flow to the inner wall of the evaporation kettle (200).
4. The high salinity wastewater treatment system according to claim 2, characterized in that coulter dryer (24) comprises:
the feeding of the drying kettle (240) is connected with the discharging of the evaporation kettle (200), a second rotating shaft (241) is axially arranged in the drying kettle (240), a second stirring rod (242) is arranged on the surface of the second rotating shaft (241), and a coulter (243) is arranged at one end, far away from the second rotating shaft (241), of the second stirring rod (242);
the second motor (244), the said second motor (244) is installed on dry pot (240), and is used for driving the second spindle (241);
and the scraping rods (245) are positioned between every two radially adjacent second stirring rods (242) and are used for reducing the adhesion of materials in the drying kettle (240).
5. The high salinity wastewater treatment system according to claim 2, wherein said feed system comprises:
a first feed pump (10), said first feed pump (10) being connected to the feed inlet (21) and being used for feeding high-salinity wastewater to the evaporation system;
a feed valve (11), the feed valve (11) being installed between the first feed pump (10) and the evaporation tank (200);
a first preheater (12), wherein the first preheater (12) is arranged between the first feeding pump (10) and the feeding port (21) and is used for preheating the high-salinity wastewater;
the first preheater (12) is provided with a first steam inlet (120) and a first steam outlet (121), the first steam inlet (120) is connected with the air outlet (23), and the first steam outlet (121) is connected with a condensing system.
6. The high salinity wastewater treatment system according to claim 5, wherein said feed system further comprises:
the cleaning system comprises a second feeding pump (13), wherein the second feeding pump (13) is connected with the first feeding pump (10) in parallel and is communicated with an inlet of the first preheater (12).
7. The high salinity wastewater treatment system according to claim 6, wherein said feed system further comprises:
a control system comprising a flow meter (14) and a PLC controller (15), the flow meter (14) being mounted between the first feed pump (10) and the first preheater (12) and the second feed pump (13) and the first preheater (12);
the PLC (15) is used for controlling the flow of the feeding valve (11), and the flowmeter (14) is used for detecting the feedback flow.
8. The high salinity wastewater treatment system according to claim 5, wherein said heating system comprises:
the heating jacket (30) wraps the outer surfaces of the evaporation kettle (200) and the drying kettle (240), and an annular heating cavity (31) is formed in the heating jacket (30);
the outlet of the steam generator (32) is communicated with the annular heating cavity (31) and is used for providing high-temperature steam for the annular heating cavity (31);
one side of the second preheater (33) is communicated with the annular heating cavity (31), and the other side of the second preheater (33) is connected with an inlet of the steam generator (32);
the second preheater (33) is provided with a second steam inlet (330) and a second steam outlet (331), the second steam inlet (330) is connected with the air outlet (23), and the second steam outlet (331) is connected with the condensing system.
9. The high salinity wastewater treatment system according to claim 8, wherein said condensing system comprises:
a condenser (40), an inlet of the condenser (40) being in communication with the first steam outlet (121) and the second steam outlet (331);
a receiving tank (41), wherein the inlet of the receiving tank (41) is communicated with the outlet of the condenser (40);
wherein, the condenser (40) is provided with a cooling water inlet (400) and a cooling water outlet (401).
10. A treatment process applied to the high-salinity wastewater treatment system according to any one of claims 1 to 9, characterized by comprising the following steps:
s1: starting the scraper evaporator (20), the coulter dryer (24) and the steam generator (32), introducing high-temperature steam generated by the steam generator (32) into an annular heating cavity (31) in the heating jacket (30) on the outer surfaces of the evaporation kettle (200) and the drying kettle (240), and keeping the temperature in the evaporation kettle (200) and the drying kettle (240) at 70-90 ℃ and the vacuum degree at 0.07-0.09 Mpa;
s2: high-salinity wastewater is conveyed by a first feed pump (10), enters an evaporation kettle (200) through a first preheater (12), and the temperature of the first preheater (12) is 60-65 ℃;
s3: the high-salinity wastewater uniformly flows to the inner wall by the distribution device (205), the first motor (204) is started to drive the first rotating shaft (201) to drive the first stirring rod (202) and the scraper (203), the high-salinity wastewater on the inner wall forms a liquid film, the high-salinity wastewater starts to be distilled, steam is discharged from the gas outlet (23), and the concentrated solution falls into the bottom of the evaporation kettle (200);
s4: further concentrating and drying the concentrated solution by a coulter dryer (24), closing the first feeding pump (10) when the material is over the second rotating shaft (241), opening the second feeding pump (13), and closing the second feeding pump (13) after 10 min;
s5: when the steam quantity of a second air outlet (231) on the coulter dryer (24) is continuously small and the current of a second motor (244) is obviously increased, the steam is closed, the vacuum is stopped, and the materials are discharged from a discharge hole (22) on the coulter dryer (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210857144.3A CN115028222A (en) | 2022-07-20 | 2022-07-20 | High-salinity wastewater treatment system and treatment process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210857144.3A CN115028222A (en) | 2022-07-20 | 2022-07-20 | High-salinity wastewater treatment system and treatment process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115028222A true CN115028222A (en) | 2022-09-09 |
Family
ID=83128765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210857144.3A Pending CN115028222A (en) | 2022-07-20 | 2022-07-20 | High-salinity wastewater treatment system and treatment process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115028222A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004084122A (en) * | 2002-08-27 | 2004-03-18 | Mitsubishi Heavy Ind Ltd | Saveall pan of paper machine |
| CN204601647U (en) * | 2015-04-30 | 2015-09-02 | 中建安装工程有限公司 | A kind of wiped film vaporization device of modified node method |
| CN206439894U (en) * | 2016-12-22 | 2017-08-25 | 无锡利邦厨具有限公司 | A kind of integrated form steam feed system |
| CN208145491U (en) * | 2018-02-09 | 2018-11-27 | 河南省永丰化工科技有限公司 | A kind of efficient concentration distilling apparatus |
| CN211503541U (en) * | 2019-12-25 | 2020-09-15 | 常州玛特利尔干燥工程有限公司 | Coulter type dryer |
| CN213139971U (en) * | 2020-09-09 | 2021-05-07 | 浙江伟涛包装材料有限公司 | Chemical storage tank with heating device |
| CN215524022U (en) * | 2021-06-03 | 2022-01-14 | 天华化工机械及自动化研究设计院有限公司 | Drying machine |
| CN114057253A (en) * | 2021-12-24 | 2022-02-18 | 浙江省天正设计工程有限公司 | Evaporation and recovery device and process method for treating slag-containing high-viscosity waste liquid |
| CN216418326U (en) * | 2021-09-08 | 2022-05-03 | 温州正展机械有限公司 | Anti-sticking wall concentrator |
| CN216946291U (en) * | 2021-12-24 | 2022-07-12 | 浙江省天正设计工程有限公司 | Evaporation and recovery device for treating slag-containing high-viscosity waste liquid |
-
2022
- 2022-07-20 CN CN202210857144.3A patent/CN115028222A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004084122A (en) * | 2002-08-27 | 2004-03-18 | Mitsubishi Heavy Ind Ltd | Saveall pan of paper machine |
| CN204601647U (en) * | 2015-04-30 | 2015-09-02 | 中建安装工程有限公司 | A kind of wiped film vaporization device of modified node method |
| CN206439894U (en) * | 2016-12-22 | 2017-08-25 | 无锡利邦厨具有限公司 | A kind of integrated form steam feed system |
| CN208145491U (en) * | 2018-02-09 | 2018-11-27 | 河南省永丰化工科技有限公司 | A kind of efficient concentration distilling apparatus |
| CN211503541U (en) * | 2019-12-25 | 2020-09-15 | 常州玛特利尔干燥工程有限公司 | Coulter type dryer |
| CN213139971U (en) * | 2020-09-09 | 2021-05-07 | 浙江伟涛包装材料有限公司 | Chemical storage tank with heating device |
| CN215524022U (en) * | 2021-06-03 | 2022-01-14 | 天华化工机械及自动化研究设计院有限公司 | Drying machine |
| CN216418326U (en) * | 2021-09-08 | 2022-05-03 | 温州正展机械有限公司 | Anti-sticking wall concentrator |
| CN114057253A (en) * | 2021-12-24 | 2022-02-18 | 浙江省天正设计工程有限公司 | Evaporation and recovery device and process method for treating slag-containing high-viscosity waste liquid |
| CN216946291U (en) * | 2021-12-24 | 2022-07-12 | 浙江省天正设计工程有限公司 | Evaporation and recovery device for treating slag-containing high-viscosity waste liquid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113149059B (en) | Method and system for crystallization separation of fly ash water washing liquid and separation and purification of sodium salt and potassium salt based on seed crystal method | |
| CN217578354U (en) | High salt effluent disposal system | |
| CN217612944U (en) | Feeding cleaning system of high-salinity wastewater treatment system | |
| CN217578353U (en) | High salt effluent disposal system remove long-pending material system | |
| CN115028222A (en) | High-salinity wastewater treatment system and treatment process thereof | |
| CN220223675U (en) | High-salt wastewater evaporation crystallization equipment | |
| CN217578355U (en) | Feeding control system of high-salinity wastewater treatment system | |
| CN212504352U (en) | Chemical sewage purification device's inner loop device | |
| CN206334367U (en) | A kind of low energy consumption scraper evaporator | |
| CN216946280U (en) | Evaporation treatment tank for waste liquid | |
| CN217202133U (en) | High-efficiency energy-saving salt ion recoverer | |
| CN208145491U (en) | A kind of efficient concentration distilling apparatus | |
| CN215654834U (en) | Composite plant is enrichment facility for extract product | |
| CN213623685U (en) | High-salt organic industrial wastewater treatment equipment | |
| CN108635893A (en) | A kind of luwa evaporator | |
| CN207552094U (en) | A kind of high-salt wastewater crystallizes desiccation separator | |
| JP2000102781A (en) | Treatment of sewage and vacuum concentration dryer used for the same | |
| CN211215452U (en) | Low-temperature concentration equipment with material drying and crystallizing functions | |
| CN210795831U (en) | Double-effect falling film and single-effect forced circulation double-row double-steam-inlet MVR evaporation crystallization system | |
| CN112441642A (en) | Be applied to terminal curing equipment of waste water zero release | |
| CN219072088U (en) | Horizontal tube type evaporator with novel circulation system | |
| CN114684884A (en) | Concentration and decrement process for evaporating and crystallizing high-content organic matters in salt-containing wastewater | |
| CN220757978U (en) | Ammonium chloride recycling and purifying device for polysilazane preparation | |
| CN219208988U (en) | Multi-steam-passage evaporation crystallization equipment | |
| CN215102082U (en) | High salt waste water evaporation and concentration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |