CN110937709B - Complete set of purification and water supply system for catering kitchen of enterprise - Google Patents
Complete set of purification and water supply system for catering kitchen of enterprise Download PDFInfo
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- CN110937709B CN110937709B CN201911372755.3A CN201911372755A CN110937709B CN 110937709 B CN110937709 B CN 110937709B CN 201911372755 A CN201911372755 A CN 201911372755A CN 110937709 B CN110937709 B CN 110937709B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 291
- 238000000746 purification Methods 0.000 title claims abstract description 30
- 238000001914 filtration Methods 0.000 claims abstract description 50
- 238000003860 storage Methods 0.000 claims abstract description 15
- 239000012528 membrane Substances 0.000 claims description 78
- 239000008213 purified water Substances 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 239000008399 tap water Substances 0.000 claims description 12
- 235000020679 tap water Nutrition 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 10
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 241000894006 Bacteria Species 0.000 claims description 6
- 241000700605 Viruses Species 0.000 claims description 6
- 229910001385 heavy metal Inorganic materials 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000008400 supply water Substances 0.000 claims description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000003337 fertilizer Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000575 pesticide Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims description 3
- 238000001223 reverse osmosis Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 235000013361 beverage Nutrition 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract 1
- 235000020188 drinking water Nutrition 0.000 description 7
- 239000003651 drinking water Substances 0.000 description 7
- 238000005406 washing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/04—Domestic or like local pipe systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/072—Arrangement of flowmeters
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/074—Arrangement of water treatment devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/078—Combined units with different devices; Arrangement of different devices with respect to each other
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/06—Pressure conditions
- C02F2301/066—Overpressure, high pressure
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a complete set of purification water supply system for an enterprise catering kitchen, which comprises a water supply unit, a primary filtering unit, a control unit, a secondary filtering unit, a primary water using unit, a secondary water using unit and a storage unit, wherein the water supply unit is connected with the primary filtering unit; the water supply unit is connected with the primary filtering unit, the primary filtering unit is connected with the pressurizing unit, the control unit is electrically connected with the primary filtering unit and the pressurizing unit, the pressurizing unit is connected with the secondary filtering unit, the secondary filtering unit is connected with the storage unit, and the storage unit is respectively connected with the primary water using unit and the secondary water using unit; the water purification system can effectively ensure that the water supply amount of the water purification system is sufficient, so that a user can use a water source more stably, the phenomenon of closed loop is reduced, the water source can be normally used in a water peak period, the recycling system is more stable, and the continuous water use of the user is ensured.
Description
Technical Field
The invention belongs to the technical field of water supply systems, and particularly relates to a complete set of purification water supply system for an enterprise catering kitchen.
Background
Enterprises, catering, kitchens and other water consumption units need to ensure that water sources are clean and pollution-free; however, the water used in some unit kitchens is directly sourced from tap water without any filtration; some water consumption units have own purification systems, and water sources conveyed from tap water pass through the own purification systems, so that the water consumption links of the water consumption units are in a safe and pollution-free requirement, and the drinking level can be reached.
However, the water supply amount of the water purification system can not be kept up with the water supply amount, even if the water amount is enough, the system has a closed loop phenomenon, so that the discharge amount of purified concentrated water is too high, the proportion of drinkable water after purification is too low, concentrated water directly flows into a sewer to cause innocent waste, and meanwhile, the main body equipment has large volume, is not beneficial to installation and has high purchase cost and maintenance cost; meanwhile, the proportion of concentrated water to drinking water after purification of the existing water purification equipment is 3:1 and even exceeds 5:1, namely at least three tons of concentrated water are lost and wasted behind one ton of drinking water generated after purification, and the problem of resource waste is greatly solved.
Disclosure of Invention
The invention aims to provide a complete set of purification water supply system for catering kitchens of enterprises, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a complete set of purification water supply system for catering kitchens of enterprises comprises a water supply unit, a primary filtering unit, a control unit, a secondary filtering unit, a primary water using unit, a secondary water using unit and a storage unit;
the water supply unit is connected with the primary filtering unit, the primary filtering unit is connected with the pressurizing unit, the control unit is electrically connected with the primary filtering unit and the pressurizing unit, the pressurizing unit is connected with the secondary filtering unit, the secondary filtering unit is connected with the storage unit, and the storage unit is respectively connected with the primary water using unit and the secondary water using unit;
the water supply unit comprises a raw water tank and a raw water pump, wherein one end of the raw water tank is connected with the input end of tap water, the output end of the raw water tank is connected with the input end of the raw water pump, and the output end of the raw water pump is connected with the primary filtering unit;
the primary filtering unit comprises PP cotton, a low-pressure valve and granular carbon, and a water source output by the raw water pump sequentially passes through the PP cotton, the low-pressure valve and the granular carbon;
the control unit comprises a water inlet electromagnetic valve which is electrically connected with the primary filtering unit and the secondary filtering unit respectively;
the second-stage filtration unit is provided with A, B two equal channels, the channel A comprises a booster pump, a high-pressure RO membrane and a low-pressure RO membrane, the purified water source of the granular carbon is sequentially connected with the high-pressure RO membrane and the low-pressure RO membrane through the booster pump, the channel B comprises a booster pump, a high-pressure RO membrane and a low-pressure RO membrane, the purified water source of the granular carbon is sequentially connected with the high-pressure RO membrane and the low-pressure RO membrane through the booster pump, and the low-pressure RO membrane is provided with two output ends;
the storage unit comprises an RO clean water tank and a concentrated water tank, the RO clean water tank is respectively connected with one output end of the low-pressure RO membrane of the channel A and one output end of the low-pressure RO membrane of the channel B, and the concentrated water tank is sequentially connected with the other output end of the low-pressure RO membrane of the channel A and the other output end of the low-pressure RO membrane of the channel B;
the RO water purification tank is sequentially connected with the one-way valve, the high-pressure sensor, the water purification tank and the purified water booster pump;
furthermore, the secondary water using unit comprises a regulating valve, and regulating valves are arranged between the other output end of the low-pressure RO membrane of the channel A and the other output end of the low-pressure RO membrane of the channel B and the concentrated water tank.
Furthermore, an automatic water replenishing level switch is arranged in the raw water tank and used for storing water inside the raw water tank, and when the water source inside the raw water tank drops to a set height, the automatic water replenishing level switch is turned on, and the water source inside the raw water tank is filled.
Furthermore, the PP cotton is used for filtering silt, rust and other particulate impurities in the water, and the granular carbon is used for adsorbing residual chlorine and heterochromous foreign matters in the tap water.
Further, the high pressure RO membrane is used for getting rid of aquatic bacterium, virus, heavy metal, pesticide chemical fertilizer residue, the low pressure RO membrane is used for getting rid of bacterium, virus, heavy metal pest in the concentrated aquatic.
Furthermore, the high-pressure pump is used for pressurizing the raw water to reach the pressure required by reverse osmosis membrane water production.
Furthermore, the check valve is used for controlling the water flow direction of the pure water and preventing the water source entering the water purifying tank from flowing back to the low-pressure RO membrane.
Furthermore, the high-pressure RO membrane and the low-pressure RO membrane are provided with automatic flushing valves and are used for flushing the high-pressure RO membrane and the low-pressure RO membrane at regular time when the machine is started up every time, so that the service life of the membranes is prolonged, and the water quality is ensured.
Furthermore, the concentrated water tank is also provided with a bypass valve, when the concentrated water tank runs out of water, the bypass valve with one end connected with tap water is opened to ensure normal water use.
Further, the concentrated water tank still is equipped with the overflow mouth, when concentrated water tank was full, the RO membrane was still making water at normal work, concentrated water tank accessible overflow mouth discharges, guarantees that the concentrated water tank can normally supply water.
Furthermore, a high-pressure sensor is arranged at the top end inside the water purifying tank, and is used for automatically cutting off the power and immediately stopping when the water purifying tank is full of water, so that the original water tank does not continuously supply water; the inside bottom position department of water purification case is equipped with low pressure sensor, and when the water purification case reached low water level, the raw water pump automatic start was started and is made water.
Compared with the prior art, the invention has the beneficial effects that:
1. the water purifying system can effectively ensure that the water supply amount of the water purifying system is sufficient, so that a user can use a water source more stably, the phenomenon of closed loop is reduced, the water source in a peak time period of water consumption can be used normally, and meanwhile, the water can be stored in a low peak time period of water consumption, so that the continuous water consumption of the user is ensured to be more stable.
2. The invention greatly saves water resources, and the purified water source can enable the purified drinking water and the concentrated water to reach two-to-one ratio, which means that two tons of drinking water generated after purification generate one ton of concentrated water, and the concentrated water is used for domestic washing and is used for non-domestic water such as flushing a toilet and the like for kitchen sanitation, thereby ensuring that the water source is not wasted, saving resources and reducing the economic cost of users.
3. The invention is easy to install, greatly saves time, has high use and economic value, ensures that each user can drink healthy water, reduces the problem of confusion of diseases caused by drinking water, has low maintenance cost and small occupied area for equipment installation, has the advantages of small volume, high quality and low price, is convenient to control the cost, is beneficial to popularization and improves the economic benefit and the practical value.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic flow diagram of a purified water source according to the present invention;
fig. 3 is a circuit diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a complete set of purification water supply system for catering kitchens of enterprises comprises a water supply unit, a primary filtering unit, a control unit, a secondary filtering unit, a primary water using unit, a secondary water using unit and a storage unit;
the water supply unit is connected with the primary filtering unit, the primary filtering unit is connected with the pressurizing unit, the control unit is electrically connected with the primary filtering unit and the pressurizing unit, the pressurizing unit is connected with the secondary filtering unit, the secondary filtering unit is connected with the storage unit, and the storage unit is respectively connected with the primary water using unit and the secondary water using unit;
the water supply unit comprises a raw water tank and a raw water pump, wherein one end of the raw water tank is connected with the input end of tap water, the output end of the raw water tank is connected with the input end of the raw water pump, and the output end of the raw water pump is connected with the primary filtering unit;
the primary filtering unit comprises PP cotton, a low-pressure valve and granular carbon, and a water source output by the raw water pump sequentially passes through the PP cotton, the low-pressure valve and the granular carbon;
the control unit comprises a water inlet electromagnetic valve which is electrically connected with the primary filtering unit and the secondary filtering unit respectively;
the second-stage filtration unit is provided with A, B two equal channels, the channel A comprises a booster pump, a high-pressure RO membrane and a low-pressure RO membrane, the purified water source of the granular carbon is sequentially connected with the high-pressure RO membrane and the low-pressure RO membrane through the booster pump, the channel B comprises a booster pump, a high-pressure RO membrane and a low-pressure RO membrane, the purified water source of the granular carbon is sequentially connected with the high-pressure RO membrane and the low-pressure RO membrane through the booster pump, and the low-pressure RO membrane is provided with two output ends;
the storage unit comprises an RO clean water tank and a concentrated water tank, the RO clean water tank is respectively connected with one output end of the low-pressure RO membrane of the channel A and one output end of the low-pressure RO membrane of the channel B, and the concentrated water tank is sequentially connected with the other output end of the low-pressure RO membrane of the channel A and the other output end of the low-pressure RO membrane of the channel B;
the primary water using unit comprises a one-way valve, a high-pressure sensor, a purified water tank and a purified water booster pump, wherein the RO purified water tank is sequentially connected with the one-way valve, the high-pressure sensor, the purified water tank and the purified water booster pump;
the secondary water using unit comprises a regulating valve, and regulating valves are arranged between the other output end of the low-pressure RO membrane of the channel A and the other output end of the low-pressure RO membrane of the channel B and the concentrated water tank.
The automatic water replenishing water level switch is arranged in the original water tank and used for storing water inside the original water tank, and when the water source inside the original water tank drops to a set height, the automatic water replenishing water level switch is turned on, and the water source inside the original water tank is filled with water.
The PP cotton is used for filtering granular impurities such as silt, rust and the like in water, and the granular carbon is used for adsorbing residual chlorine and heterochromous foreign matters in tap water.
The high-pressure RO membrane is used for removing bacteria, viruses, heavy metals and pesticide and fertilizer residues in water, and the low-pressure RO membrane is used for removing bacteria, viruses and heavy metal harmful substances in concentrated water.
The high-pressure pump is used for pressurizing raw water and reaches the pressure required by reverse osmosis membrane water production.
And the one-way valve is used for controlling the water flow direction of the pure water and preventing the water source entering the water purifying tank from flowing back to the low-pressure RO membrane.
The high-pressure RO membrane and the low-pressure RO membrane are provided with automatic flushing valves and are used for flushing the high-pressure RO membrane and the low-pressure RO membrane at regular time when the machine is started up every time, the service life of the membranes is prolonged, and the water quality is ensured.
The concentrated water tank is also provided with a bypass valve, when the concentrated water tank runs out of water, the bypass valve with one end connected with tap water is opened to ensure normal water use.
The concentrated water tank still is equipped with the overflow mouth, and when concentrated water tank was full, the RO membrane was still making water at normal work, and concentrated water tank accessible overflow mouth discharges, guarantees that the concentrated water tank can normally supply water.
The high-pressure sensor is arranged at the top end inside the water purifying tank and used for automatically cutting off the power supply and immediately stopping when the water purifying tank is full of water, so that the original water tank does not continuously supply water; the inside bottom position department of water purification case is equipped with low pressure sensor, and when the water purification case reached low water level, raw water pump automatic start and start system water, the water purification case still is equipped with float and suppresses the position switch, and when high pressure sensor malfunctioning, float suppresses the position switch automatic cutout power.
The working principle and the using process of the invention are as follows: one side of tap water is connected with a raw water tank, so that the interior of the raw water tank is always at a required water source height, meanwhile, an automatic water supplementing water level switch is arranged in the raw water tank, when the water source in the raw water tank drops to a set height, the automatic water supplementing water level switch is turned on, the water source in the raw water tank is filled, a raw water pump is arranged on the outer side of the raw water tank and used for pressurizing the water source in the raw water tank, so that the water source in the raw water tank can be conveyed to a required place through the raw water pump, the water source in the raw water tank passes through PP cotton and granular carbon through the raw water pump in sequence to achieve the effect of primary filtration, then the purified water source is conveyed to A, B two channels of a secondary filtration unit through a high-pressure pump, so that the purification efficiency of the drinking water level water source after the water source purification is high, the purified drinking water source is stored in an RO water purification tank, and primary water supply is performed through a water purification booster pump according to use requirements, the concentrated water after passing through the RO membrane can be stored to the concentrated water tank in for supply water to the secondary water, the RO membrane is equipped with hydrostatic pressure table and manual washing valve, is used for observing and washing industry RO membrane, and the washing time can be defined by oneself, and all can to a week one day.
Although the embodiments of the present invention have been shown and described, the scope of the present invention is not limited thereto, and it should be understood that various changes, modifications, substitutions and alterations can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a be used for enterprise's food and beverage kitchen complete set to purify water supply system which characterized in that: comprises a water supply unit, a primary filtering unit, a control unit, a secondary filtering unit, a primary water using unit, a secondary water using unit and a storage unit;
the water supply unit is connected with the primary filtering unit, the primary filtering unit is connected with the pressurizing unit, the control unit is electrically connected with the primary filtering unit and the pressurizing unit, the pressurizing unit is connected with the secondary filtering unit, the secondary filtering unit is connected with the storage unit, and the storage unit is respectively connected with the primary water using unit and the secondary water using unit;
the water supply unit comprises a raw water tank and a raw water pump, wherein one end of the raw water tank is connected with the input end of tap water, the output end of the raw water tank is connected with the input end of the raw water pump, and the output end of the raw water pump is connected with the primary filtering unit;
the primary filtering unit comprises PP cotton, a low-pressure valve and granular carbon, and a water source output by the raw water pump sequentially passes through the PP cotton, the low-pressure valve and the granular carbon;
the control unit comprises a water inlet electromagnetic valve which is electrically connected with the primary filtering unit and the secondary filtering unit respectively;
the secondary filtering unit is provided with A, B two equal channels, the channel A comprises a booster pump, a high-pressure RO membrane and a low-pressure RO membrane, the purified water source of the granular carbon is sequentially connected with the high-pressure RO membrane and the low-pressure RO membrane through the booster pump, the channel B comprises the booster pump, the high-pressure RO membrane and the low-pressure RO membrane, the purified water source of the granular carbon is sequentially connected with the high-pressure RO membrane and the low-pressure RO membrane through the booster pump, and the low-pressure RO membrane is provided with two output ends;
the storage unit comprises an RO clean water tank and a concentrated water tank, the RO clean water tank is respectively connected with one output end of the low-pressure RO membrane of the channel A and one output end of the low-pressure RO membrane of the channel B, and the concentrated water tank is sequentially connected with the other output end of the low-pressure RO membrane of the channel A and the other output end of the low-pressure RO membrane of the channel B;
the RO water purification tank is sequentially connected with the one-way valve, the high-pressure sensor, the water purification tank and the purified water booster pump;
the secondary water using unit comprises a regulating valve, and regulating valves are arranged between the other output end of the low-pressure RO membrane of the channel A and the other output end of the low-pressure RO membrane of the channel B and the concentrated water tank;
an automatic water replenishing level switch is arranged in the original water tank and used for storing water in the original water tank, and when a water source in the original water tank drops to a set height, the automatic water replenishing level switch is turned on, and the water source in the original water tank is filled;
the high-pressure RO membrane and the low-pressure RO membrane are provided with automatic flushing valves and are used for flushing the high-pressure RO membrane and the low-pressure RO membrane at fixed time when the machine is started up every time, so that the service life of the membranes is prolonged, and the water quality is ensured;
the high-pressure sensor is arranged at the top end inside the water purifying tank and used for automatically cutting off the power supply and immediately stopping when the water purifying tank is full of water, so that the original water tank does not continuously supply water; a low-pressure sensor is arranged at the bottom end position in the water purifying tank, and when the water purifying tank reaches a low water level, the raw water pump is automatically started and started to produce water;
the concentrated water tank is also provided with a bypass valve, and when the concentrated water tank runs out of water, the bypass valve with one end connected with tap water is opened to ensure normal water use;
the concentrated water tank still is equipped with the overflow mouth, when concentrated water tank was full, the RO membrane was still making water at normal work, concentrated water tank passes through the overflow mouth and discharges, guarantees that concentrated water tank normally supplies water.
2. The complete set of purified water supply system for catering kitchens of enterprises according to claim 1, characterized in that: the PP cotton is used for filtering granular impurities such as silt, rust and the like in water, and the granular carbon is used for adsorbing residual chlorine and heterochromous foreign matters in tap water.
3. The complete set of purified water supply system for catering kitchens of enterprises according to claim 1, characterized in that: the high-pressure RO membrane is used for removing bacteria, viruses, heavy metals and pesticide and fertilizer residues in water, and the low-pressure RO membrane is used for removing bacteria, viruses and heavy metal harmful substances in concentrated water.
4. The complete set of purified water supply system for catering kitchens of enterprises according to claim 1, characterized in that: the high-pressure pump is used for pressurizing raw water so as to achieve the pressure required by reverse osmosis membrane water production.
5. The complete set of purified water supply system for catering kitchens of enterprises according to claim 1, characterized in that: the check valve is used for controlling the water flow direction of the pure water and preventing a water source entering the water purifying tank from flowing back to the low-pressure RO membrane.
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| CN2703755Y (en) * | 2004-06-02 | 2005-06-08 | 吕群 | Water-treatment apparatus |
| CN201952300U (en) * | 2011-03-01 | 2011-08-31 | 刘进学 | Energy-saving reverse osmosis water purifier |
| WO2013065358A1 (en) * | 2011-11-04 | 2013-05-10 | 株式会社タカギ | Water purification apparatus and water purification system |
| CN203187470U (en) * | 2013-04-26 | 2013-09-11 | 深圳市金利源净水设备有限公司 | Domestic water purification machine capable of circularly utilizing wastewater |
| CN204356164U (en) * | 2014-12-30 | 2015-05-27 | 中国科学院深圳先进技术研究院 | A kind of water treatment device for high intensity focused ultrasound and Controlling System |
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