CN219567743U - System for retrieve salt manufacturing condensate - Google Patents
System for retrieve salt manufacturing condensate Download PDFInfo
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- CN219567743U CN219567743U CN202320503034.7U CN202320503034U CN219567743U CN 219567743 U CN219567743 U CN 219567743U CN 202320503034 U CN202320503034 U CN 202320503034U CN 219567743 U CN219567743 U CN 219567743U
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- 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
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Abstract
The utility model belongs to the field of water treatment, and relates to a system for recycling salt-making condensed water, which comprises: the device comprises a mechanical tower, a raw water tank, a filter, condensate recovery equipment, a buffer tank, reverse osmosis water production equipment and a desalting water tank; the water outlet of the mechanical tower is connected with the water inlet of the raw water tank, the water outlet of the raw water tank is connected with the water inlet of the filter, the water outlet of the filter is connected with the water inlet of the condensate recovery device, the water outlet of the condensate recovery device is connected with the water inlet of the buffer tank, the water outlet of the buffer tank is connected with the water inlet of the reverse osmosis water production device, and the water outlet of the reverse osmosis water production device is connected with the water inlet of the desalination water tank. The reverse osmosis membrane is used for recycling the salt-making condensed water, so that the reverse osmosis water inlet requirement can be met, the service life of the membrane can be prolonged, the raw water pretreatment production process can be simplified, and the production cost can be reduced.
Description
Technical Field
The utility model belongs to the field of water treatment, and particularly relates to a system for recycling salt-making condensate.
Background
The disclosure of this background section is only intended to increase the understanding of the general background of the utility model and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art already known to those of ordinary skill in the art.
At present, RO reverse osmosis technology is the most advanced and energy efficient separation technology today. The principle is that under the action of pressure higher than the osmotic pressure of the solution, the solute in the solution is separated from the solvent by means of the selective interception of a semipermeable membrane which only allows water to permeate and does not allow other substances to permeate. By utilizing the separation characteristic of the reverse osmosis membrane, impurities such as dissolved salts, colloid, organic matters, bacteria, microorganisms and the like in the water can be effectively removed. Has the advantages of low energy consumption, no pollution, advanced process, simple and convenient operation and maintenance, etc.
In practical production, for reverse osmosis membrane elements, raw water cannot enter directly in most cases, because impurities contained in the raw water pollute the membrane elements, and the stable operation of the system and the service life of the membrane elements are affected.
Especially when the external water source is surface water of a reservoir, the content of organic matters, algae and the like is high, the content of calcium, magnesium, sulfate radical and other impurity ions are high, the normal use of the reverse osmosis membrane is difficult due to the simple pretreatment process, and the service life of the reverse osmosis membrane is short. The adoption of a plurality of processes leads the water quality to reach the reverse osmosis water inlet standard, thus causing complex process, difficult equipment operation and maintenance, and greatly increasing the equipment failure rate and the production cost.
In the steaming process of saturated brine, water in the brine turns into steam, and after the steam is cooled into water, the saturated steam carries a small amount of salt, so that the salt content of the salt-making condensed water is high (300-600 mg/m) 3 ) The alkalinity is high (about pH 9), the temperature is high (40-45 ℃), the conventional reverse osmosis device cannot process the condensate stably for a long time,the problems of poor processing effect and short service life are presented.
There is an urgent need for a reverse osmosis system with good treatment effect and long service life.
Disclosure of Invention
In order to solve the problems, the utility model provides a system for recycling salt-making condensate, wherein a mechanical tower is added before the salt-making condensate enters a water treatment device to cool the salt-making condensate; and select suitable reverse osmosis membrane to carry out salt-making condensate recovery, can satisfy reverse osmosis water requirement, extension membrane life can simplify former pretreatment of water production technology again, reduction in production cost, the system has solved the problem that the treatment effect that exists is poor, life is short when current reverse osmosis device handles salt-making condensate effectively.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
in a first aspect of the present utility model, there is provided a system for recovering salt-making condensate, comprising: the device comprises a mechanical tower, a raw water tank, a filter, condensate recovery equipment, a buffer tank, reverse osmosis water production equipment and a desalting water tank; the water outlet of the mechanical tower is connected with the water inlet of the raw water tank, the water outlet of the raw water tank is connected with the water inlet of the filter, the water outlet of the filter is connected with the water inlet of the condensate recovery device, the water outlet of the condensate recovery device is connected with the water inlet of the buffer tank, the water outlet of the buffer tank is connected with the water inlet of the reverse osmosis water production device, and the water outlet of the reverse osmosis water production device is connected with the water inlet of the desalination water tank;
the reverse osmosis membrane adopted by the reverse osmosis water production equipment is made of a polyamide composite membrane.
Design principle: the existing water treatment device is generally high in water temperature and water yield, and a heating measure is adopted before the water treatment device. However, the utility model is found through trial and error: the key point of the system is that a cooling device (mechanical tower) is arranged in front of reverse osmosis membrane equipment to pre-cool salt-making condensed water, the water temperature is reduced to 28-32 ℃ through repeated test results, and then the salt-making condensed water is matched with a polyamide composite membrane for treatment, at the moment, the water yield is highest, the water quality of the discharged water is best, meanwhile, the salt in the water can be recovered to a salt-making process, and the produced water is used as raw water, the mechanical tower is used for water supplementing and the like.
In view of the feasibility of the process principle, through repeated experiments and improvement, the utility model increases the mechanical tower to cool down the salt-making condensate before the salt-making condensate enters the water treatment device; and the polyamide composite membrane is selected to treat and recycle the salt-making condensate water, so that the reverse osmosis water inlet requirement can be met, the service life of the membrane can be prolonged, the original water pretreatment production process can be simplified, and the production cost can be reduced.
The beneficial effects of the utility model are that
(1) The system of the utility model carries out the process of recycling the salt-making condensed water, which not only can meet the requirement of reverse osmosis water inlet and prolong the service life of the membrane, but also can simplify the production process of pretreatment of raw water and reduce the production cost.
(2) The utility model adds a mechanical tower to cool down the salt-making condensate before the salt-making condensate enters the water treatment device; and the polyamide composite membrane is selected to treat and recycle the salt-making condensate water, so that the reverse osmosis water inlet requirement can be met, the service life of the membrane can be prolonged, the original water pretreatment production process can be simplified, and the production cost can be reduced.
(3) The preparation method is simple, has strong practicability and is easy to popularize.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic diagram of a recovery salt-making condensate system of the present utility model;
wherein, 1 salt making condensate, 2 mechanical towers, 3 raw water tanks, 4 filters, 5 condensate recovery devices, 6 buffer tanks, 7 reverse osmosis water making devices, 8 desalination water tanks, 9 spent water tanks and 10 water pumps.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
A system for recovering salt-making condensate, comprising: the device comprises a mechanical tower, a raw water tank, a filter, condensate recovery equipment, a buffer tank, reverse osmosis water production equipment and a desalting water tank; the water outlet of the mechanical tower is connected with the water inlet of the raw water tank, the water outlet of the raw water tank is connected with the water inlet of the filter, the water outlet of the filter is connected with the water inlet of the condensate recovery device, the water outlet of the condensate recovery device is connected with the water inlet of the buffer tank, the water outlet of the buffer tank is connected with the water inlet of the reverse osmosis water production device, and the water outlet of the reverse osmosis water production device is connected with the water inlet of the desalination water tank;
the reverse osmosis membrane adopted by the reverse osmosis water production equipment is made of a polyamide composite membrane.
In the utility model, the mechanical tower, the raw water tank, the filter, the condensed water recovery device, the buffer tank, the reverse osmosis water production device and the desalination water tank can all adopt common equipment in the water treatment field, and a common technician can select the model and the specification of the equipment according to the needs of specific working conditions.
The connection between the devices can also be made by the common connection method in the water treatment field, for example: the connection is realized after the connection parts such as pipelines, valves, joints and the like are singly or combined, and meanwhile, power conveying equipment such as a water pump and the like is arranged based on the position, distance and height conditions of each device so as to realize the conveying of materials or water bodies among the equipment.
In some embodiments, the water inlet of the mechanical tower is connected with a salt-making condensate storage tank or a water outlet pipeline so as to cool the salt-making condensate, so that the treatment effect of a subsequent reverse osmosis membrane on the salt-making condensate is improved.
In some embodiments, a water pump is provided on the conduit between the mechanical tower and the raw water tank.
In some embodiments, a water pump is arranged on a pipeline between the raw water tank and the filter, so that the water in the raw water tank is conveyed to the filter by the water pump for filtering treatment.
In some embodiments, the filter is a cartridge filter, and has good filtering effect and convenient installation.
In some embodiments, a water pump is provided on a pipe between the condensate recovery apparatus and the buffer tank to deliver produced water of the condensate recovery apparatus to the buffer tank.
In some embodiments, the concentrated water outlet of the condensed water recovery device is connected with the water inlet of the spent water pool, so that the concentrated water is transferred to the spent water pool through a trench to be injected into the well for dissolving salt, and sodium chloride in the concentrated water is recovered.
In some embodiments, the water outlet of the reverse osmosis water producing device is connected with the water inlet of the mechanical tower to be used as the water replenishing of the mechanical tower, so that the water utilization rate is improved.
In some embodiments, a temperature measuring device is arranged on a water outlet pipeline of the mechanical tower so as to detect whether the water reaches a preset cooling temperature or not, and the operating condition of the mechanical tower is adjusted in time.
In some embodiments, the reverse osmosis membrane is made of a polyamide composite membrane, so as to treat the cooled salt-making condensate water to reach the standard.
In some embodiments, a water pump is provided on the conduit between the surge tank and the reverse osmosis water producing device.
The utility model will now be described in further detail with reference to the following specific examples, which should be construed as illustrative rather than limiting.
In the following examples, the reverse osmosis membrane is a polyamide composite membrane, purchased from Shandong Taihe environmental technologies Co., ltd.
Example 1
The salt-making condensed water 1 is led to a mechanical tower 2 for cooling the condensed water through a pipeline, the air quantity of a water inlet valve or a ventilation fan is adjusted, and the condensed water with proper temperature is conveyed to a raw water tank 3 by a water pump. The condensed water temporarily stored in the raw water tank 3 is conveyed to the cartridge filter 4 by a water pump 10, the water in the pipeline is pressurized by a vertical high-pressure pump and then conveyed to the condensed water recovery equipment 5, the concentrated water generated by the condensed water recovery equipment 5 is transferred to the spent water tank 9 through a trench to carry out well injection and salt dissolution, and sodium chloride in the concentrated water is recovered; the produced water of the condensed water recovery device 5 is stored in a buffer tank 6, and then is conveyed to a reverse osmosis water producing device 7 by the buffer tank 6, and is used as raw water of the reverse osmosis water producing device 7, and desalted water is obtained after being treated by the reverse osmosis water producing device 7 and is stored in a desalted water tank 8.
The existing water treatment device is generally high in water temperature and water yield, and a heating measure is adopted before the water treatment device. However, the utility model is found through trial and error: the key point of the system is that a cooling device (mechanical tower 2) is arranged in front of reverse osmosis water making equipment 7 to pre-cool salt making condensed water, the water temperature is reduced to 28-32 ℃ through repeated test results, and then the water temperature is matched with a polyamide composite membrane for treatment, at the moment, the water yield is highest, the water quality of the water outlet is best, the reverse osmosis membrane can be used for more than 5 years, meanwhile, salt in the water can be recovered to a salt making process, and the produced water is used as raw water for reverse osmosis, and the mechanical tower 2 is used for supplementing water and the like.
The system of the utility model is adopted to continuously treat salt-making condensed water of a certain company, and experimental results show that: the desalination rate is more than or equal to 90 percent, the recovery rate is more than or equal to 80 percent, and the water yield is more than or equal to 50m 3 And/h, the reverse osmosis membrane can be used for more than 5 years.
Example 2
The salt-making condensed water 1 is led to a mechanical tower 2 for cooling the condensed water through a pipeline, the air quantity of a water inlet valve or a ventilation fan is adjusted, and the condensed water with proper temperature is conveyed to a raw water tank 3 by a water pump. The condensed water temporarily stored in the raw water tank 3 is conveyed to the cartridge filter 4 by a water pump 10, the water in the pipeline is pressurized by a vertical high-pressure pump and then conveyed to the condensed water recovery equipment 5, the concentrated water generated by the condensed water recovery equipment 5 is transferred to the spent water tank 9 through a trench to carry out well injection and salt dissolution, and sodium chloride in the concentrated water is recovered; the produced water of the condensed water recovery device 5 is stored in a buffer tank 6, and then is conveyed to a reverse osmosis water producing device 7 by the buffer tank 6, and is used as raw water of the reverse osmosis water producing device 7, and desalted water is obtained after being treated by the reverse osmosis water producing device 7 and is stored in a desalted water tank 8.
The water inlet of the mechanical tower 2 is connected with a storage tank or a water outlet pipeline of the salt-making condensate 1 so as to cool the salt-making condensate 1 and improve the treatment effect of a subsequent reverse osmosis membrane on the salt-making condensate 1.
Example 3
The salt-making condensed water 1 is led to a mechanical tower 2 for cooling the condensed water through a pipeline, the air quantity of a water inlet valve or a ventilation fan is adjusted, and the condensed water with proper temperature is conveyed to a raw water tank 3 by a water pump. The condensed water temporarily stored in the raw water tank 3 is conveyed to the cartridge filter 4 by a water pump 10, the water in the pipeline is pressurized by a vertical high-pressure pump and then conveyed to the condensed water recovery equipment 5, the concentrated water generated by the condensed water recovery equipment 5 is transferred to the spent water tank 9 through a trench to carry out well injection and salt dissolution, and sodium chloride in the concentrated water is recovered; the produced water of the condensed water recovery device 5 is stored in a buffer tank 6, and then is conveyed to a reverse osmosis water producing device 7 by the buffer tank 6, and is used as raw water of the reverse osmosis water producing device 7, and desalted water is obtained after being treated by the reverse osmosis water producing device 7 and is stored in a desalted water tank 8.
A water pump 10 is arranged on a pipeline between the raw water tank 3 and the filter 4, so that the water in the raw water tank 3 is conveyed to the filter 4 through the water pump 10 for filtering treatment.
Example 4
The salt-making condensed water 1 is led to a mechanical tower 2 for cooling the condensed water through a pipeline, the air quantity of a water inlet valve or a ventilation fan is adjusted, and the condensed water with proper temperature is conveyed to a raw water tank 3 by a water pump. The condensed water temporarily stored in the raw water tank 3 is conveyed to the cartridge filter 4 by a water pump 10, the water in the pipeline is pressurized by a vertical high-pressure pump and then conveyed to the condensed water recovery equipment 5, the concentrated water generated by the condensed water recovery equipment 5 is transferred to the spent water tank 9 through a trench to carry out well injection and salt dissolution, and sodium chloride in the concentrated water is recovered; the produced water of the condensed water recovery device 5 is stored in a buffer tank 6, and then is conveyed to a reverse osmosis water producing device 7 by the buffer tank 6, and is used as raw water of the reverse osmosis water producing device 7, and desalted water is obtained after being treated by the reverse osmosis water producing device 7 and is stored in a desalted water tank 8.
The filter 4 is a cartridge filter, has good filtering effect and is convenient to install.
Example 5
The salt-making condensed water 1 is led to a mechanical tower 2 for cooling the condensed water through a pipeline, the air quantity of a water inlet valve or a ventilation fan is adjusted, and the condensed water with proper temperature is conveyed to a raw water tank 3 by a water pump. The condensed water temporarily stored in the raw water tank 3 is conveyed to the cartridge filter 4 by a water pump 10, the water in the pipeline is pressurized by a vertical high-pressure pump and then conveyed to the condensed water recovery equipment 5, the concentrated water generated by the condensed water recovery equipment 5 is transferred to the spent water tank 9 through a trench to carry out well injection and salt dissolution, and sodium chloride in the concentrated water is recovered; the produced water of the condensed water recovery device 5 is stored in a buffer tank 6, and then is conveyed to a reverse osmosis water producing device 7 by the buffer tank 6, and is used as raw water of the reverse osmosis water producing device 7, and desalted water is obtained after being treated by the reverse osmosis water producing device 7 and is stored in a desalted water tank 8.
A water pump 10 is arranged on a pipeline between the condensate recovery device 5 and the buffer tank 6 to convey the produced water of the condensate recovery device 5 to the buffer tank 6.
Example 6
The salt-making condensed water 1 is led to a mechanical tower 2 for cooling the condensed water through a pipeline, the air quantity of a water inlet valve or a ventilation fan is adjusted, and the condensed water with proper temperature is conveyed to a raw water tank 3 by a water pump. The condensed water temporarily stored in the raw water tank 3 is conveyed to the cartridge filter 4 by a water pump 10, the water in the pipeline is pressurized by a vertical high-pressure pump and then conveyed to the condensed water recovery equipment 5, the concentrated water generated by the condensed water recovery equipment 5 is transferred to the spent water tank 9 through a trench to carry out well injection and salt dissolution, and sodium chloride in the concentrated water is recovered; the produced water of the condensed water recovery device 5 is stored in a buffer tank 6, and then is conveyed to a reverse osmosis water producing device 7 by the buffer tank 6, and is used as raw water of the reverse osmosis water producing device 7, and desalted water is obtained after being treated by the reverse osmosis water producing device 7 and is stored in a desalted water tank 8.
The concentrated water outlet of the condensed water recovery device 5 is connected with the water inlet of the spent water pool 9, so that the concentrated water is transferred to the spent water pool 9 through a trench to carry out well injection and salt dissolution, and sodium chloride in the concentrated water is recovered.
Example 7
The salt-making condensed water 1 is led to a mechanical tower 2 for cooling the condensed water through a pipeline, the air quantity of a water inlet valve or a ventilation fan is adjusted, and the condensed water with proper temperature is conveyed to a raw water tank 3 by a water pump. The condensed water temporarily stored in the raw water tank 3 is conveyed to the cartridge filter 4 by a water pump 10, the water in the pipeline is pressurized by a vertical high-pressure pump and then conveyed to the condensed water recovery equipment 5, the concentrated water generated by the condensed water recovery equipment 5 is transferred to the spent water tank 9 through a trench to carry out well injection and salt dissolution, and sodium chloride in the concentrated water is recovered; the produced water of the condensed water recovery device 5 is stored in a buffer tank 6, and then is conveyed to a reverse osmosis water producing device 7 by the buffer tank 6, and is used as raw water of the reverse osmosis water producing device 7, and desalted water is obtained after being treated by the reverse osmosis water producing device 7 and is stored in a desalted water tank 8.
The water outlet of the reverse osmosis water production equipment 7 is connected with the water inlet of the mechanical tower 2 to be used as the water supplement of the mechanical tower 2, so that the water utilization rate is improved.
Example 8
The salt-making condensed water 1 is led to a mechanical tower 2 for cooling the condensed water through a pipeline, the air quantity of a water inlet valve or a ventilation fan is adjusted, and the condensed water with proper temperature is conveyed to a raw water tank 3 by a water pump. The condensed water temporarily stored in the raw water tank 3 is conveyed to the cartridge filter 4 by a water pump 10, the water in the pipeline is pressurized by a vertical high-pressure pump and then conveyed to the condensed water recovery equipment 5, the concentrated water generated by the condensed water recovery equipment 5 is transferred to the spent water tank 9 through a trench to carry out well injection and salt dissolution, and sodium chloride in the concentrated water is recovered; the produced water of the condensed water recovery device 5 is stored in a buffer tank 6, and then is conveyed to a reverse osmosis water producing device 7 by the buffer tank 6, and is used as raw water of the reverse osmosis water producing device 7, and desalted water is obtained after being treated by the reverse osmosis water producing device 7 and is stored in a desalted water tank 8.
The temperature measuring device is arranged on the water outlet pipeline of the mechanical tower 2 so as to detect whether the water reaches a preset cooling temperature or not and adjust the running condition of the mechanical tower 2 in time.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A system for recovering salt-making condensate, comprising: the device comprises a mechanical tower, a raw water tank, a filter, condensate recovery equipment, a buffer tank, reverse osmosis water production equipment and a desalting water tank; the water outlet of the mechanical tower is connected with the water inlet of the raw water tank, the water outlet of the raw water tank is connected with the water inlet of the filter, the water outlet of the filter is connected with the water inlet of the condensate recovery device, the water outlet of the condensate recovery device is connected with the water inlet of the buffer tank, the water outlet of the buffer tank is connected with the water inlet of the reverse osmosis water production device, and the water outlet of the reverse osmosis water production device is connected with the water inlet of the desalination water tank;
the reverse osmosis membrane adopted by the reverse osmosis water production equipment is made of a polyamide composite membrane.
2. The system for recovering salt-making condensate of claim 1, wherein the water inlet of the mechanical tower is connected to a salt-making condensate line.
3. The system for recovering salt-making condensate as claimed in claim 1, wherein a water pump is provided on a pipe between said raw water tank and said filter.
4. The system for recovering salt-making condensate of claim 1, wherein said filter is a cartridge filter.
5. The system for recovering salt-making condensate of claim 1, wherein a water pump is provided on a pipe between the condensate recovery apparatus and the buffer tank.
6. The system for recovering salt-making condensate as defined in claim 1, wherein the concentrate outlet of said condensate recovery apparatus is connected to the water inlet of the spent water pool.
7. The system for recovering salt-making condensate as recited in claim 1, wherein said mechanical tower has a temperature measuring device disposed on a water outlet conduit.
8. The system for recovering salt-making condensate as recited in claim 1, wherein the water-producing outlet of said reverse osmosis water-producing apparatus is connected to the water inlet of the mechanical tower.
9. The system for recovering salt-making condensate as claimed in claim 1, wherein a water pump is provided in a pipe between the buffer tank and the reverse osmosis water making apparatus.
10. The system for recovering salt-making condensate as recited in claim 1, wherein a water pump is disposed on a pipe between said mechanical tower and a raw water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503034.7U CN219567743U (en) | 2023-03-13 | 2023-03-13 | System for retrieve salt manufacturing condensate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503034.7U CN219567743U (en) | 2023-03-13 | 2023-03-13 | System for retrieve salt manufacturing condensate |
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| Publication Number | Publication Date |
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| CN219567743U true CN219567743U (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320503034.7U Active CN219567743U (en) | 2023-03-13 | 2023-03-13 | System for retrieve salt manufacturing condensate |
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| CN (1) | CN219567743U (en) |
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