CN108557929B - Concentrated piece-rate system of strong brine - Google Patents
Concentrated piece-rate system of strong brine Download PDFInfo
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- CN108557929B CN108557929B CN201810330987.1A CN201810330987A CN108557929B CN 108557929 B CN108557929 B CN 108557929B CN 201810330987 A CN201810330987 A CN 201810330987A CN 108557929 B CN108557929 B CN 108557929B
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- 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
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- 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
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
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- 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
- C02F1/22—Treatment of water, waste water, or sewage by freezing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
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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
- Y02A20/138—Water desalination using renewable energy
- Y02A20/141—Wind power
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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
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a concentrated brine concentration and separation system, which comprises a fabric dynamic separation module, a heat energy concentration and separation loop and a freezing and icing separation loop; the fabric dynamic separation module comprises an air duct arranged at the upper part of a support, a static pressure box is arranged at the inner side of an air inlet of the air duct, a brine concentration tank is arranged at the lower part of the support and below the air duct, at least one carrier roller immersed in strong brine is arranged in the brine concentration tank, at least one carrier roller is also arranged in the air duct, one carrier roller in the air duct is connected with a motor and a transmission through a chain, at least one channel is arranged on the bottom wall of the air duct, a fabric is sequentially hung on the plurality of carrier rollers through the channel to form an annular shape connected end to end, the carrier rollers are driven to rotate through the chain, and the continuous cyclic rotation of; the energy source of the system is mainly natural energy, the system is clean and environment-friendly, the treatment cost is low, the system can treat the concentrated brine with wide concentration range and high efficiency, and the running time of the system is prolonged after the freeze separation is introduced.
Description
Technical Field
The invention belongs to the field of strong brine treatment and resource utilization, and particularly relates to a strong brine concentration and separation system which is designed to be efficient, continuous and low in operation cost by organically combining groove type solar heat collection, natural cold energy, fabric high specific surface area and capillary channel transpiration.
Background
At present, the development and utilization rate of water resources in water areas of China far exceeds the internationally recognized water resource development ecological warning line of 40 percent, meanwhile, the water resource utilization rate in industrial production of China is low, and the incremental water consumption of the ten thousand yuan industry is 2-3 times of the world advanced level. On 16 days 4 months 4 in 2015, the national institute publishes the action plan for preventing and treating water pollution (ten items of water for short), and clearly proposes the requirements of strict pollution control and clean production and reconstruction of important industrial enterprises from the national level, so that the strengthening of the treatment of the high-concentration industrial salt-containing wastewater is the urgent priority at present, and has important significance for protecting the ecological environment safety and reasonably recycling resources.
The high-concentration industrial salt-containing wastewater refers to industrial wastewater with the mass fraction of Total Dissolved Solids (TDS) being more than or equal to 3.5%, and the main component is Cl-、SO4 2-、Na+And Ca2+The inorganic ions and part of organic components (if calculated by NaCl, the total salt content is more than or equal to 1 percent) have the characteristics of high salt content, complex salt components, high organic matter content, difficult degradation and the like. High-concentration industrial salt-containing wastewater generally comes from petrochemical industry, printing and dyeing industry, combined alkali industry and seawater desalination industry, and the discharge of the high-concentration industrial salt-containing wastewater causes the salt content in underground water and surface water to be greatly increased. At present, biological treatment methods and physical and chemical methods are mainly used for treating high-concentration industrial salt-containing wastewater, and the treatment effect of the processes is limited due to the large salt content of the high-concentration industrial salt-containing wastewater. The biological treatment process is a wastewater treatment method which utilizes the metabolism physiological function of dominant bacteria in microorganisms, realizes the degradation of pollutants in wastewater through the adsorption and metabolism of the microorganisms, and can convert the pollutants such as organic matters, toxic substances and the like in a dissolved, colloidal and micro-suspension state in the wastewater into a stable and harmless water body. However, in the case of high-concentration salt-containing industrial wastewater, the higher salt content can cause damage to microorganism organisms and inhibit the growth of the microorganism organisms, thereby limiting the application of the process. The ion exchange process is a method for removing harmful ions in waste water by ion exchange with an ion exchanger, when the salt content of the waste water is too high, the ion exchanger quickly reaches the saturated capacity, so that the regeneration period is shortened, a large amount of regeneration reagents are consumed, the consumption of washing water is large, the water treatment cost is increased, and the operation is complicated. In addition, membrane distillation, multi-stage flash distillation, etc. are difficult to handle for concentrated brine higher than 7%.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention aims to provide a concentrated and separated system of strong brine, which is designed to be efficient, continuous and low-cost by organically combining groove type solar heat collection, natural cold energy, high specific surface area of fabric and transpiration of capillary channels.
The concentrated brine separating system provided by the invention comprises a fabric dynamic separating module, a heat energy concentrating and separating loop and a freezing and icing separating loop; the fabric dynamic separation module comprises an air duct arranged at the upper part of the support, an air inlet and an air outlet of the air duct are arranged at two opposite ends of the air duct, a static pressure box is arranged at the inner side of the air inlet of the air duct, a saline water concentration tank is arranged at the lower part of the support and below the air duct, at least one carrier roller immersed in concentrated saline water is arranged in the saline water concentration tank, at least one carrier roller is also arranged in the air duct, one carrier roller in the air duct is connected with a motor and a transmission through a chain, at least one channel is arranged on the bottom wall of the air duct, the fabric is sequentially hung on the plurality of carrier rollers through the channel to form an annular shape with the head and the tail connected, and;
the fan is sequentially connected with the flowmeter, the three-way valve and the heat collecting pipe, the groove type solar panel heats wind generated by the fan through the heat collecting pipe, hot wind enters the static pressure box and the air duct from the air inlet of the air duct through the hot wind conveying pipe, and the hot wind dries moisture on the fabric and is discharged through the air outlet to form a heat energy concentration and separation loop;
when the environment is cold, the cold air conveying pipe is directly connected between the three-way valve and the air inlet, cold air of the fan passes through the connecting flowmeter, the three-way valve and the cold air conveying pipe, the cold air enters the static pressure box and the air channel from the air inlet of the air channel, the cold air condenses and separates water on the fabric, and the cold air is discharged through the air outlet to form a freezing and freezing separation loop.
And a height adjusting device is arranged below the brine concentration tank.
The height adjusting device is a spring or hydraulic automatic adjusting structure with manual adjustment and proper modulus.
The mass percentage concentration range of the strong brine to be concentrated and separated in the brine concentration tank is 1-15%.
The heat energy concentrating and separating loop also comprises an auxiliary heating device which is used as a supplementary heat source under the condition of insufficient sunlight.
The fabric is hemp, flax, cotton cloth or heat-resistant water-absorbing fiber fabric with high specific surface area and capillary channels.
The number of the supporting rollers ranges from 3 to 20, and one end of the fabric is guaranteed to be immersed in the concentrated saline.
The number of the carrier rollers is 3, 1 carrier roller is positioned in the brine concentration tank, and 2 carrier rollers are parallel to each other and hung below the top wall of the air duct to form a triangle.
The invention has the beneficial effects that:
1. the main energy source of the system is natural energy which is clean and environment-friendly, and the running cost of the system is low;
2. the concentration and separation system further improves the processing capacity, reduces the energy consumption and prolongs the system operation time by introducing natural cold energy.
3. The concentration and separation system realizes the reduction of the strong brine, utilizes the phase change separation to evaporate or freeze and freeze the moisture of the strong brine, discharges salt, further crystallizes and realizes the resource treatment.
4. Compared with the traditional evaporation, the system has wide treatment range and multiple types, and can treat the brine with the concentration range of 1-15%; high separation efficiency, and evaporation capacity per unit time of 2.12L/(m)2·h)。
Drawings
FIG. 1 is a schematic view of the overall structure of a concentrated brine concentration and separation system according to the present invention.
In the figure: 1 fan, 2 flowmeters, 3 valves, 4 heat collecting pipes, 5 groove type solar panels, 6 air conveying pipes, 7 supports, 8 plenum boxes, 9 air ducts, 10 air inlets, 11 carrier rollers, 12 fabrics, 13 chains, 14 motors, 15 transmissions, 16 concentration tanks, 17 concentrated brine, 18 height adjusting devices, 19 air outlets and 20 auxiliary heating devices.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
as shown in figure 1, the concentrated brine concentration and separation system comprises a fabric dynamic separation module, a heat energy concentration and separation loop and a freezing and icing separation loop; the fabric dynamic separation module comprises an air duct 9 arranged at the upper part of a support 7, an air inlet 10 and an air outlet 19 of the air duct 9 are arranged at two opposite ends of the air duct, a static pressure box 8 is arranged at the inner side of the air inlet 10 of the air duct, a saline concentration tank 16 is arranged at the lower part of the support 7 and below the air duct 9, at least one carrier roller 11 immersed in concentrated saline 17 is arranged in the saline concentration tank 16, at least one carrier roller 11 is also arranged in the air duct 9, one carrier roller 11 in the air duct 9 is connected with a motor 14 and a transmission 15 through a chain 13, at least one channel is arranged on the bottom wall of the air duct 9, a fabric 12 is sequentially hung on the plurality of carrier rollers 11 through the channel to form an annular shape connected end to end, the carrier rollers 11 are driven to rotate through the chain 13;
the fan 1 is sequentially connected with the flowmeter 2, the three-way valve 3 and the heat collecting pipe 4, the groove type solar panel 5 heats wind generated by the fan 1 through the heat collecting pipe 4, hot wind enters the static pressure box 8 and the air duct 9 from the air inlet 10 of the air duct through the hot wind conveying pipe 6, and moisture on the hot wind drying fabric 12 is discharged through the air outlet 19 to form a heat energy concentration and separation loop;
when the environment is cold, the cold air conveying pipe 26 is directly connected between the three-way valve 3 and the air inlet 10, cold air of the fan 1 passes through the connecting flow meter 2, the three-way valve 3 and the cold air conveying pipe 26, the cold air enters the static pressure box 8 and the air duct 9 from the air inlet 10 of the air duct, the cold air is condensed to separate moisture on the fabric 12, and the moisture is discharged through the air outlet 19 to form a freezing and freezing separation loop.
A height adjusting device 18 is arranged below the brine concentration tank 16. The height adjusting device 18 is a manual adjusting structure, a spring with proper modulus or a hydraulic automatic adjusting structure.
The mass percentage concentration range of the strong brine 17 to be concentrated and separated in the brine concentration tank 16 is 1-15%.
The thermal energy concentrating and separating circuit also contains an auxiliary heating device 20 as a supplementary heat source in case of insufficient sunlight.
The fabric 12 is hemp, flax, cotton cloth or a heat-resistant water-absorbent fiber fabric with a high specific surface area and capillary channels.
The number of the supporting rollers 11 ranges from 3 to 20, and one end of the fabric 12 is immersed in the concentrated saline 17.
Preferably, the number of the supporting rollers 11 is 3, 1 is positioned in the brine concentration tank 16, and 2 are mutually parallel and hung below the top wall of the air duct 9 to form a triangle.
Specifically, the concentration and separation system of the present invention: the fan 1 generates wind which enters the heat collecting pipe 4 through the flowmeter 2 and the valve 3, the groove type solar panel 5 heats the wind passing through the heat collecting pipe 4, and the hot wind enters the static pressure box 8 and the air duct 9 through the air inlet 10 of the device through the air conveying pipe 6. The fabric 12 is connected to the support through the carrier roller 11, the transmission 15 adjusts the motor 14, drives the carrier roller 11 through the chain 13 to rotate, guarantees that the fabric 12 continuously rotates in a circulating mode, forms a fabric dynamic separation module, and realizes evaporation separation of strong brine. Wherein the auxiliary heating device 19 can be used as a supplementary heat source. After the valve 3 is adjusted, the system operates in a cold energy concentration and separation strong brine separation mode, and low-temperature cold air enters the fabric dynamic separation module after passing through the fan 1, the flowmeter 2, the valve 3, the air delivery pipe 26 and the air inlet 10, so that icing and separation of strong brine are realized.
The concentration range of the system for treating the strong brine 17 is 1% -15%, a height adjusting device 18 is arranged below the brine concentration tank 16, the height adjusting device can be a spring or hydraulic automatic adjusting structure with proper modulus and can adjust the liquid level of the strong brine 17 to always submerge the carrier roller. The fabric on the carrier roller can be hemp, flax, cotton cloth and heat-resistant water-absorbing fiber fabric with high specific surface area and capillary channels. The number of the supporting rollers can be 3-20, so that at least one supporting roller is immersed in the concentrated saline, and the fabric is mostly positioned in the static pressure box and the air duct.
When the number of the carrier rollers is 3, selecting linen fabric as the fabric, and adjusting the air inlet amount to 68m3And h, the temperature of hot air generated by the groove type solar heat collection is 200-250 ℃, when the dynamic circulation rotating speed of the fabric is adjusted to be 3cm/s by a speed changer, the evaporation capacity per unit time of a sodium sulfate solution with the concentration of 3% can reach 2.12L/(m2 h).
In summary, the disclosure of the present invention is not limited to the above-mentioned embodiments, and persons skilled in the art can easily set forth other embodiments within the technical teaching of the present invention, but such embodiments are included in the scope of the present invention.
Claims (8)
1. A concentrated separation system of strong brine is characterized by comprising a fabric dynamic separation module, a heat energy concentration separation loop and a freezing and icing separation loop; the fabric dynamic separation module comprises an air duct (9) arranged at the upper part of a support (7), an air inlet (10) and an air outlet (19) of the air duct (9) are arranged at two opposite ends of the air duct, a static pressure box (8) is arranged on the inner side of the air inlet (10) of the air duct, a saline concentration tank (16) is arranged at the lower part of the support (7) and below the air duct (9), at least one carrier roller (11) immersed in concentrated saline (17) is arranged in the saline concentration tank (16), at least one carrier roller (11) is also arranged in the air duct (9), one carrier roller (11) in the air duct (9) is connected with a motor (14) and a transmission (15) through a chain (13), at least one channel is arranged on the bottom wall of the air duct (9), a fabric (12) is sequentially hung on the plurality of carrier rollers (11) through the channels to form an annular shape with an end to end, and the carrier rollers (11, ensuring continuous cyclic rotation of the fabric (12);
the fan (1) is sequentially connected with the flowmeter (2), the three-way valve (3) and the heat collecting pipe (4), the groove type solar panel (5) heats wind generated by the fan (1) through the heat collecting pipe (4), hot wind enters the static pressure box (8) and the air duct (9) from the air inlet (10) of the air duct through the hot wind conveying pipe (6), and moisture on the hot wind drying fabric (12) is discharged through the air outlet (19) to form a heat energy concentration and separation loop;
when the environment is cold, a cold air conveying pipe (26) is directly connected between the three-way valve (3) and the air inlet (10), cold air of the fan (1) passes through the connecting flow meter (2), the three-way valve (3) and the cold air conveying pipe (26), the cold air enters the static pressure box (8) and the air channel (9) from the air inlet (10) of the air channel, the cold air is condensed to separate moisture on the fabric (12), and the moisture is discharged through the air outlet (19) to form a freezing and freezing separation loop.
2. The concentrated brine separation system according to claim 1, wherein a height adjusting device (18) is arranged below the brine concentrating tank (16).
3. The concentrated brine separation system according to claim 2, wherein the height adjusting means (18) is a manual adjustment, a spring with proper modulus or a hydraulic automatic adjustment structure.
4. The concentrated brine concentrating and separating system according to claim 1, wherein the concentrated brine (17) to be concentrated and separated in the brine concentrating tank (16) has a concentration of 1-15% by mass.
5. The concentrated brine separation system according to claim 1, wherein said thermal energy concentrating and separating circuit further comprises an auxiliary heating device (20) as a supplementary heat source in case of insufficient sunlight.
6. The concentrated brine separation system according to claim 1, wherein the fabric (12) is hemp, flax, cotton or heat-resistant water-absorbing fiber fabric with high specific surface area and capillary channels.
7. The concentrated brine separation system according to claim 1, wherein the number of the supporting rollers (11) ranges from 3 to 20, and the fabric (12) is ensured to be immersed in the concentrated brine (17) at one end.
8. The concentrated brine separating system according to claim 7, wherein the number of the supporting rollers (11) is 3, 1 is positioned in the brine concentrating tank (16), and 2 is suspended below the top wall of the air duct (9) to form a triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810330987.1A CN108557929B (en) | 2018-04-13 | 2018-04-13 | Concentrated piece-rate system of strong brine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810330987.1A CN108557929B (en) | 2018-04-13 | 2018-04-13 | Concentrated piece-rate system of strong brine |
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| CN108557929A CN108557929A (en) | 2018-09-21 |
| CN108557929B true CN108557929B (en) | 2020-12-11 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4713102A (en) * | 1984-10-04 | 1987-12-15 | Insta, Inc. | Method of concentrating multicomponent liquid products |
| CN103204559A (en) * | 2013-04-15 | 2013-07-17 | 萧志杰 | Novel structure for refining drinking water from seawater by using freezing technology |
| CN103771554A (en) * | 2014-01-15 | 2014-05-07 | 中国矿业大学 | Method and device for desalinating seawater by airflow impact, rotating suspension and freezing |
| CN203639184U (en) * | 2013-11-22 | 2014-06-11 | 北京万邦达环保技术股份有限公司 | Strong brine evaporating device |
| CN206108957U (en) * | 2016-10-25 | 2017-04-19 | 侯晓龙 | New forms of energy sea water desalination device |
| CN107487803A (en) * | 2017-09-16 | 2017-12-19 | 侯梦斌 | A kind of wind energy evaporation equipment and technique for intervening NACF plate |
| KR20180015430A (en) * | 2016-08-03 | 2018-02-13 | 성균관대학교산학협력단 | Freezing desalination system using micro air-bubble |
-
2018
- 2018-04-13 CN CN201810330987.1A patent/CN108557929B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4713102A (en) * | 1984-10-04 | 1987-12-15 | Insta, Inc. | Method of concentrating multicomponent liquid products |
| CN103204559A (en) * | 2013-04-15 | 2013-07-17 | 萧志杰 | Novel structure for refining drinking water from seawater by using freezing technology |
| CN203639184U (en) * | 2013-11-22 | 2014-06-11 | 北京万邦达环保技术股份有限公司 | Strong brine evaporating device |
| CN103771554A (en) * | 2014-01-15 | 2014-05-07 | 中国矿业大学 | Method and device for desalinating seawater by airflow impact, rotating suspension and freezing |
| KR20180015430A (en) * | 2016-08-03 | 2018-02-13 | 성균관대학교산학협력단 | Freezing desalination system using micro air-bubble |
| CN206108957U (en) * | 2016-10-25 | 2017-04-19 | 侯晓龙 | New forms of energy sea water desalination device |
| CN107487803A (en) * | 2017-09-16 | 2017-12-19 | 侯梦斌 | A kind of wind energy evaporation equipment and technique for intervening NACF plate |
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| CN108557929A (en) | 2018-09-21 |
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