CN216737938U - High salt effluent disposal system - Google Patents
High salt effluent disposal system Download PDFInfo
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- CN216737938U CN216737938U CN202123357446.4U CN202123357446U CN216737938U CN 216737938 U CN216737938 U CN 216737938U CN 202123357446 U CN202123357446 U CN 202123357446U CN 216737938 U CN216737938 U CN 216737938U
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Abstract
The utility model relates to a high-salinity wastewater treatment system, which comprises a primary filter tank, a flocculation sedimentation tank, a reverse osmosis mechanism, an evaporation tank, a condenser and a secondary filter tank which are sequentially arranged at intervals, wherein a first connecting pipe is communicated between the primary filter tank and the flocculation sedimentation tank, a second connecting pipe is communicated between the flocculation sedimentation tank and the reverse osmosis mechanism, a third connecting pipe is communicated between the reverse osmosis mechanism and the evaporation tank, a fourth connecting pipe is communicated between the evaporation tank and the condenser, a fifth connecting pipe is communicated with the bottom of the condenser, a sixth connecting pipe is communicated with a fresh water outlet end of the reverse osmosis mechanism, the fifth connecting pipe is communicated with the sixth connecting pipe through a connector, a seventh connecting pipe is communicated between the connector and the top of the secondary filter tank, water pumps are respectively arranged on the first connecting pipe, the second connecting pipe and the third connecting pipe, a water inlet pipe is communicated with the top of the primary filter tank, and a chemical adding pipe is communicated with the top of the flocculation sedimentation tank, the lower part of the secondary filter tank is communicated with a water outlet pipe. The filtering and purifying effect is good, the efficiency is high, and the energy consumption is low.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a high-salinity wastewater treatment system.
Background
The high-salinity wastewater refers to wastewater with the total salt mass fraction of at least 1%, and is mainly from chemical plants, petroleum and natural gas collection and processing and the like. The high-salinity wastewater contains various substances (including salt, oil, organic heavy metals, radioactive substances and the like). The production of high-salinity wastewater is also increasing year by year due to the wide production route of high-salinity wastewater. If a large amount of high salt waste water is direct or discharge after diluting, not only can cause the waste of water resource, but also can cause adverse effect to the environment, and rivers and lakes eutrophication with higher speed causes soil ecosystem to collapse, produces the stench and influences quality of water, changes water color and visibility, forms a large amount of water suspended solids etc.. Thus, the removal of contaminants from high salinity wastewater has a critical environmental impact.
At present, the evaporation method or the biochemical method is often adopted in the prior art to purify the high-salinity wastewater. However, both of the above methods have certain disadvantages: when the evaporation method is adopted for treatment, the energy consumption is large, the equipment investment cost is high, the maintenance cost is high, the concentration time is long, and the efficiency is low; when the biochemical method is adopted for treatment, the high-salinity sewage contains a large amount of Cl-、SO42-、Na+、Ca2+The salts, although the ions are all nutrient elements necessary for the growth of the microorganism, play an important role in promoting enzyme reaction, maintaining membrane balance and regulating osmotic pressure in the growth process of the microorganism. However, if the concentration of these ions is too high, the ions will produce inhibition and toxicity effects on microorganisms, which are mainly shown in the following: the salt concentration is high, the osmotic pressure is high, and the microbial cells are dehydrated to cause cell protoplast 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, thereby seriously affecting the purification effect of the high-salt sewage treatment system.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-salinity wastewater treatment system, which is used for solving the technical problems of high energy consumption, low sewage treatment efficiency and poor sewage treatment effect of the high-salinity wastewater treatment system in the prior art.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the high-salinity wastewater treatment system comprises a primary filter tank, a flocculation sedimentation tank, a reverse osmosis mechanism, an evaporation tank, a condenser and a secondary filter tank which are sequentially arranged at intervals, wherein a first connecting pipe is communicated between the lower part of the primary filter tank and the upper part of the flocculation sedimentation tank, a second connecting pipe is communicated between the upper part of the flocculation sedimentation tank and the water inlet end of the reverse osmosis mechanism, a third connecting pipe is communicated between the concentrated water outlet end of the reverse osmosis mechanism and the lower part of the evaporation tank, a fourth connecting pipe is communicated between the top of the evaporation tank and the top of the condenser, a fifth connecting pipe is communicated with the bottom of the condenser, a sixth connecting pipe is communicated with the fresh water outlet end of the reverse osmosis mechanism, the fifth connecting pipe and the sixth connecting pipe are communicated through a connector, a seventh connecting pipe is communicated between the connector and the top of the secondary filter tank, the first connecting pipe, the second connecting pipe, the reverse osmosis mechanism and the evaporation tank are sequentially arranged at intervals, and the second connecting pipe are communicated with each other, All be provided with the water pump on the third connecting pipe, the top intercommunication of primary filter tank has the inlet tube, and the top intercommunication of flocculation and precipitation pond has the dosing pipe, and the lower part intercommunication of secondary filter tank has the outlet pipe.
Preferably, the lateral wall of evaporation pond is the bilayer structure of inside cavity setting, is outer wall, inner wall respectively, and spiral winding has electric heating pipe between outer wall and the inner wall, and the top of evaporation pond inside is fixed with many even intervals setting and downwardly extending's the rope that absorbs water, and the rope that absorbs water is the spring form, and the bottom of the rope that absorbs water extends to the inside bottom of evaporation pond.
Preferably, the upper part and the lower part of the condenser are respectively communicated with a refrigerant discharge pipe and a refrigerant inlet pipe, and the section of the fourth connecting pipe positioned in the condenser is spiral.
Preferably, the inside from the top down of secondary filter tank is fixed with the baffle that a plurality of even intervals set up in proper order, the periphery of baffle is laminated mutually with secondary filter tank's inner wall, the hole of permeating water has all been seted up on every baffle, each is permeated water the crisscross setting from top to bottom in hole, it is located the one end that the baffle deviates from the seventh connecting pipe to set up the hole of permeating water on the baffle of the top, set up the one end that the hole of permeating water that the baffle of seting up on the baffle of below deviates from the outlet pipe in the baffle, between two adjacent baffles, between the top of baffle and secondary filter tank, it has the active carbon filter layer all to fill between the bottom of baffle and secondary filter tank.
Preferably, the reverse osmosis mechanism comprises two reverse osmosis membranes which are connected in parallel, the connector is a four-way connecting pipe, the two sixth connecting pipes are respectively communicated with the two ends of the connector, and the other two ends of the connector are respectively communicated with the fifth connecting pipe and the seventh connecting pipe.
Preferably, a large-hole grid filter screen and a small-hole grid filter screen are sequentially fixed in the primary filter tank from top to bottom, the aperture of the large-hole grid filter screen is larger than that of the small-hole grid filter screen, a cobble layer, a zeolite layer and a ceramsite sand layer are sequentially paved at the bottom end of the interior of the primary filter tank from top to bottom, the particle size of cobbles is larger than that of zeolites, the particle size of the zeolites is larger than that of the ceramsite sand, and the joint of the first connecting pipe and the primary filter tank is located on the ceramsite sand layer.
Preferably, the intermediate position at flocculation and precipitation pond top is fixed with the motor, and the output shaft of motor has the (mixing) shaft of vertical downward setting through shaft coupling transmission connection, and flocculation and precipitation pond's lower part is fixed with the precipitation tank, and the precipitation tank is the W type, and the bottom of precipitation tank is provided with arranges miscellaneous pipe, arranges and is provided with the valve on the miscellaneous pipe, and the bottom downwardly extending of (mixing) shaft extends to the top of precipitation tank, is fixed with the puddler that a plurality of even intervals set up along its length direction on the (mixing) shaft.
The utility model has the beneficial effects that: (1) the structure design is reasonable, through setting up the interconnected elementary filtering ponds, flocculation and precipitation pond, reverse osmosis mechanism, evaporation tank, condenser, secondary filtering pond, make the high-salinity waste water pass preliminary filtration, flocculation and precipitation sequentially, remove the solid impurity that contains in the sewage, and carry on abundant settlement, filtration to the tiny particle, then through the filtration of reverse osmosis mechanism, make the fresh water in the waste water separate from dense water, the fresh water enters the secondary filtering pond and is adsorbed and filtered by the active carbon filter layer, decolorize, deodorize, dechlorination the fresh water, and remove organic matter, heavy metal, bacterium, pollutant such as virus, dense water enters the evaporation tank to evaporate inside, the steam enters the secondary filtering pond after condensing of the condenser and filters the back and discharges outwardly, separate the moisture and salt in the dense water; not only the effect of high-salinity wastewater treatment is obviously improved, the clarity of purified water is improved, but also the efficiency of wastewater purification treatment is improved, the energy consumption is reduced, and the economic benefit of enterprises is improved; (2) through the inside spiral winding electric heating pipe of lateral wall at the evaporation pond to set up the rope that absorbs water, the rope that absorbs water adsorbs the inside dense water that gets into the evaporation pond, and the rope that absorbs water can increase the evaporation area of sewage after being moistened, improves the speed of evaporation, reduces the energy consumption.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic structural view of a secondary filtration tank.
Reference numerals are as follows: 1-primary filter tank, 2-flocculation sedimentation tank, 3-reverse osmosis mechanism, 4-evaporation tank, 5-condenser, 6-secondary filter tank, 7-first connecting pipe, 8-second connecting pipe, 9-third connecting pipe, 10-fourth connecting pipe, 11-fifth connecting pipe, 12-sixth connecting pipe, 13-connector, 14-seventh connecting pipe, 15-water pump, 16-water inlet pipe, 17-medicine feeding pipe, 18-water outlet pipe, 19-electric heating pipe, 20-water absorption rope, 21-refrigerant discharge pipe, 22-refrigerant inlet pipe, 23-clapboard, 24-permeable hole, 25-active carbon filter layer, 26-large-hole grid filter screen, 27-small-hole grid filter screen, 28-cobble layer, 29-zeolite layer, 30-haydite sand layer, 31-motor, 32-stirring shaft, 33-sedimentation tank, 34-impurity discharge pipe, 35-stirring rod.
Detailed Description
As shown in figure 1, the utility model comprises a primary filter tank 1, a flocculation sedimentation tank 2, a reverse osmosis mechanism 3, an evaporation tank 4, a condenser 5 and a secondary filter tank 6 which are sequentially arranged at intervals, wherein a first connecting pipe 7 is communicated between the lower part of the primary filter tank 1 and the upper part of the flocculation sedimentation tank 2, the top of the reverse osmosis mechanism 3 is a water inlet end, the bottom of the reverse osmosis mechanism 3 is provided with a fresh water outlet end and a concentrated water outlet end, a second connecting pipe 8 is communicated between the upper part of the flocculation sedimentation tank 2 and the water inlet end of the reverse osmosis mechanism 3, a third connecting pipe 9 is communicated between the concentrated water outlet end of the reverse osmosis mechanism 3 and the lower part of the evaporation tank 4, a fourth connecting pipe 10 is communicated between the top of the evaporation tank 4 and the top of the condenser 5, the bottom of the condenser 5 is communicated with a fifth connecting pipe 11, the bottom of the fourth connecting pipe 10 is communicated with the top of the fifth connecting pipe 11, the fresh water outlet end of the reverse osmosis mechanism 3 is communicated with a sixth connecting pipe 12, the fifth connecting pipe 11 is communicated with the sixth connecting pipe 12 through a connector 13. Reverse osmosis mechanism 3 includes two mutual parallelly connected reverse osmosis membrane that set up, improves filterable efficiency, and reverse osmosis membrane is prior art, and concrete structure is no longer repeated here, and connector 13 is the four-way connection pipe, and two sixth connecting pipes 12 are linked together with the both ends of connector 13 respectively, and the intercommunication has seventh connecting pipe 14 between the other end of connector 13 and the top of secondary filter 6. The first connecting pipe 7, the second connecting pipe 8 and the third connecting pipe 9 are all provided with a water pump 15, the top of the primary filtering tank 1 is communicated with a water inlet pipe 16, the top of the flocculation sedimentation tank 2 is communicated with a dosing pipe 17, the lower part of the secondary filtering tank 6 is communicated with a water outlet pipe 18, and the water outlet pipe 18 is provided with a valve.
The lateral wall of evaporation pond 4 is the bilayer structure of inside cavity setting, is outer wall, inner wall respectively, and spiral winding has electric heating pipe 19 between outer wall and the inner wall, makes evaporation pond 4 inside be heated more even, improves the efficiency of evaporation. The inside top of evaporation pond 4 is fixed with many even intervals and downwardly extending's the rope 20 that absorbs water, and the bottom of the rope 20 that absorbs water extends to the inside bottom of evaporation pond 4, and the material of the rope 20 that absorbs water is flexible water-absorbing material, like the cotton that absorbs water, and the rope 20 that absorbs water is the spring form, and the area of the rope 20 that absorbs water in the increase unit length increases evaporation area. When in use, the liquid level in the evaporation pool 4 is one half to three quarters of the length of the water absorption rope 20. The upper portion and the lower portion of condenser 5 are respectively communicated with refrigerant discharge pipe 21, refrigerant inlet pipe 22, all be provided with the valve on refrigerant discharge pipe 21 and the refrigerant inlet pipe 22, refrigerant inlet pipe 22 is linked together with the refrigerator that has the refrigerant to hold, through refrigerant inlet pipe 22, refrigerant discharge pipe 21 lets in the refrigerant to condenser 5 internal loop, make the inside high temperature steam liquefaction of fourth connecting pipe 10, one section that fourth connecting pipe 10 is located condenser 5 inside is the heliciform, the route that high temperature steam passes through in fourth connecting pipe 10 inside is prolonged, promote the liquefied effect of condensation.
As shown in fig. 2, inside from the top down of secondary filter tank 6 is fixed with the baffle 23 that a plurality of even intervals set up in proper order, the periphery of baffle 23 is laminated with secondary filter tank 6's inner wall mutually, the hole 24 of permeating water has all been seted up on every baffle 23, each is permeated water the crisscross setting from top to bottom of hole 24, the hole 24 of permeating water of seting up on the baffle 23 of the top is located the one end that the baffle 23 deviates from seventh connecting pipe 14, the hole 24 of permeating water of seting up on the baffle 23 of the below is located the one end that the baffle 23 deviates from outlet pipe 18, between two adjacent baffles 23, between the top of baffle 23 and secondary filter tank 6, all pack between the bottom of baffle 23 and secondary filter tank 6 has activated carbon filter layer 25. The path of water flow flowing through the secondary filter tank 6 is S-shaped, the path of sewage flow is prolonged, and the filtering and purifying effects are improved. A large-hole grid filter screen 26 and a small-hole grid filter screen 27 are sequentially fixed in the primary filter tank 1 from top to bottom, the aperture of the large-hole grid filter screen 26 is larger than that of the small-hole grid filter screen 27, a cobble layer 28, a zeolite layer 29 and a ceramsite sand layer 30 are sequentially laid at the bottom end of the primary filter tank 1 from top to bottom, the particle size of cobbles is larger than that of zeolites, the particle size of zeolites is larger than that of ceramsite sand, and the joint of the first connecting pipe 7 and the primary filter tank 1 is located on the ceramsite sand layer 30. The large-hole grating filter screen 26 and the small-hole grating filter screen 27 respectively filter solid impurities with different diameters in the sewage. Cobblestone, zeolite, haydite sand can filter impurity such as organic matter, nitrogen, phosphorus, suspended solid in the sewage, reduce the concentration of pollutant in the sewage to design into different particle size with it, can adsorb the filtration to the impurity of different particle size, improve sewage treatment's effect. The intermediate position at 2 tops in flocculation and precipitation pond is fixed with motor 31, motor 31's output shaft has the (mixing) shaft 32 of vertical downward setting through the shaft coupling transmission, the lower part of flocculation and precipitation pond 2 is fixed with precipitation tank 33, precipitation tank 33 is the W type, precipitation tank 33's bottom is provided with row miscellaneous pipe 34, be provided with the valve on the row miscellaneous pipe 34, the bottom downwardly extending of (mixing) shaft 32 to precipitation tank 33's top, be fixed with the puddler 35 that a plurality of even intervals set up along its length direction on the (mixing) shaft 32. Drive (mixing) shaft 32, puddler 35 through motor 31 and rotate, mix the stirring to flocculating agent and sewage, the precipitate that the flocculation in-process produced is subsided in flocculation and precipitation pond 2 is inside, and solid impurity after subsiding gets into inside the precipitation tank 33 and outwards discharges through arranging miscellaneous pipe 34, and the supernatant then gets into reverse osmosis mechanism 3 through second connecting pipe 8.
The working principle and the working process of the utility model are as follows: when in use, high-salinity wastewater to be treated is introduced into the primary filtering tank 1 through the water inlet pipe 16 for primary filtering, the wastewater is filtered by the large-pore grille filtering net 26 to remove impurities with larger volume, the wastewater is filtered by the small-pore grille filtering net 27 to remove impurities with smaller volume, then the wastewater is sequentially filtered by the cobblestone layer 28, the zeolite layer 29 and the ceramsite sand layer 30 to filter organic matters, nitrogen, phosphorus, suspended matters and other impurities in the wastewater, the filtered wastewater enters the flocculation sedimentation tank 2 through the first connecting pipe 7 under the action of the water pump 15, a flocculating agent is added into the flocculation sedimentation tank 2 through the agent adding pipe 17, the motor 31 is started, the stirring shaft 32 and the stirring rod 35 are driven by the motor 31 to rotate, the flocculating agent and the wastewater are mixed and stirred, the generated precipitate is settled in the flocculation sedimentation tank 2 after the wastewater is flocculated, the settled solid impurities enter the sedimentation tank 33 and are discharged outwards through the impurity discharging pipe 34, the supernatant fluid is filtered and separated by a reverse osmosis mechanism 3 through a second connecting pipe 8, the reverse osmosis filtering mechanism separates fresh water from concentrated water in the wastewater, the fresh water enters a secondary filtering tank 6 through a sixth connecting pipe 12 and a seventh connecting pipe 14, the fresh water is adsorbed and filtered by an active carbon filtering layer 25, the fresh water is decolorized, deodorized and dechlorinated, pollutants such as organic matters, heavy metals, bacteria, viruses and the like are removed, the fresh water is discharged outwards after being filtered, the concentrated water enters an evaporation tank 4 through a third connecting pipe 9 to be evaporated, a water absorption rope 20 absorbs the concentrated water entering the evaporation tank 4, the evaporation area of the sewage can be increased after the water absorption rope 20 is wetted, the evaporation speed is increased, the steam enters a condenser 5 through a fourth connecting pipe 10, the steam enters the secondary filtering tank 6 through a fifth connecting pipe 11 and a seventh connecting pipe 14 after being condensed, and then is discharged outwards after being filtered, separating the water content from the salt in the concentrated water. The wastewater treatment system not only obviously improves the effect of high-salinity wastewater treatment and the clarity of purified water, but also improves the efficiency of sewage purification treatment, reduces the energy consumption and improves the economic benefits of enterprises.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (7)
1. A high salt effluent disposal system which characterized in that: the device comprises a primary filter tank, a flocculation sedimentation tank, a reverse osmosis mechanism, an evaporation tank, a condenser and a secondary filter tank which are sequentially arranged at intervals, wherein a first connecting pipe is communicated between the lower part of the primary filter tank and the upper part of the flocculation sedimentation tank, a second connecting pipe is communicated between the upper part of the flocculation sedimentation tank and the water inlet end of the reverse osmosis mechanism, a third connecting pipe is communicated between the concentrated water outlet end of the reverse osmosis mechanism and the lower part of the evaporation tank, a fourth connecting pipe is communicated between the top part of the evaporation tank and the top part of the condenser, a fifth connecting pipe is communicated with the bottom part of the condenser, a sixth connecting pipe is communicated with the fresh water outlet end of the reverse osmosis mechanism, the fifth connecting pipe is communicated with the sixth connecting pipe through a connector, a seventh connecting pipe is communicated between the connector and the top part of the secondary filter tank, water pumps are arranged on the first connecting pipe, the second connecting pipe and the third connecting pipe, and the top part of the primary filter tank is communicated with a water inlet pipe, the top of the flocculation sedimentation tank is communicated with a dosing pipe, and the lower part of the secondary filtering tank is communicated with a water outlet pipe.
2. The high salinity wastewater treatment system of claim 1, characterized in that: the lateral wall of evaporation pond is outer wall, inner wall for the bilayer structure of inside cavity setting respectively, and spiral winding has electric heating pipe between outer wall and the inner wall, and the inside top of evaporation pond is fixed with many even intervals and downwardly extending's the rope that absorbs water, and the rope that absorbs water is the spring form, and the bottom of the rope that absorbs water extends to the inside bottom of evaporation pond.
3. The high salinity wastewater treatment system of claim 2, characterized in that: the upper part and the lower part of the condenser are respectively communicated with a refrigerant discharge pipe and a refrigerant inlet pipe, and a section of the fourth connecting pipe positioned in the condenser is spiral.
4. The high salinity wastewater treatment system of claim 2, characterized in that: the inside from the top down of secondary filter tank is fixed with the baffle that a plurality of even intervals set up in proper order, the periphery of baffle is laminated with the inner wall of secondary filter tank mutually, the hole of permeating water has all been seted up on every baffle, each is permeated water the crisscross setting from top to bottom in the hole, it is located the one end that the baffle deviates from the seventh connecting pipe to set up the hole of permeating water on the baffle of the top, set up the one end that the hole of permeating water that the baffle of establishing on the baffle of below deviates from the outlet pipe in the baffle, between two adjacent baffles, between the top of baffle and secondary filter tank, it has the active carbon filter layer all to fill between the bottom of baffle and secondary filter tank.
5. The high salinity wastewater treatment system of claim 2, characterized in that: the reverse osmosis mechanism comprises two reverse osmosis membranes which are connected in parallel, the connector is a four-way connecting pipe, the two sixth connecting pipes are respectively communicated with the two ends of the connector, and the other two ends of the connector are respectively communicated with the fifth connecting pipe and the seventh connecting pipe.
6. The high salinity wastewater treatment system of claim 2, characterized in that: the primary filter tank is internally and sequentially fixed with a large-hole grid filter screen and a small-hole grid filter screen from top to bottom, the aperture of the large-hole grid filter screen is larger than that of the small-hole grid filter screen, a cobble layer, a zeolite layer and a ceramsite sand layer are sequentially paved at the bottom end of the primary filter tank from top to bottom, the particle size of cobble is larger than that of zeolite, the particle size of zeolite is larger than that of ceramsite sand, and the joint of the first connecting pipe and the primary filter tank is positioned on the ceramsite sand layer.
7. The high salinity wastewater treatment system of claim 2, characterized in that: the intermediate position at flocculation and precipitation pond top is fixed with the motor, and the output shaft of motor has the (mixing) shaft of vertical downward setting through shaft coupling transmission connection, and the lower part of flocculation and precipitation pond is fixed with the precipitation tank, and the precipitation tank is the W type, and the bottom of precipitation tank is provided with row's miscellaneous pipe, arranges and is provided with the valve on the miscellaneous pipe, and the bottom downwardly extending of (mixing) shaft extends to the top of precipitation tank, is fixed with the puddler that a plurality of even intervals set up along its length direction on the (mixing) shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123357446.4U CN216737938U (en) | 2021-12-29 | 2021-12-29 | High salt effluent disposal system |
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| CN202123357446.4U CN216737938U (en) | 2021-12-29 | 2021-12-29 | High salt effluent disposal system |
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| CN216737938U true CN216737938U (en) | 2022-06-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116947268A (en) * | 2023-09-20 | 2023-10-27 | 海普欧环保集团有限公司 | High-salt wastewater desalination treatment device |
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2021
- 2021-12-29 CN CN202123357446.4U patent/CN216737938U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116947268A (en) * | 2023-09-20 | 2023-10-27 | 海普欧环保集团有限公司 | High-salt wastewater desalination treatment device |
| CN116947268B (en) * | 2023-09-20 | 2023-12-22 | 海普欧环保集团有限公司 | High-salt wastewater desalination treatment device |
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Address after: 450000 No. 906, floor 9, building 2, Xinghua science and Technology Industrial Park, west of the second street, south of Jingnan 1st Road, Zhengzhou area (Economic Development Zone), Zhengzhou pilot Free Trade Zone, Henan Province Patentee after: Huaxia Bishui Environmental Protection Technology Co.,Ltd. Address before: 450000 Henan Zhengzhou economic and Technological Development Zone Second Avenue West, south of the road south, Xinghua science and Technology Industrial Park 2 Building 9 floor 906. Patentee before: HUAXIA BISHUI ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |