CN207632560U - A kind of counter-infiltration system with cold-hot conversion device - Google Patents
A kind of counter-infiltration system with cold-hot conversion device Download PDFInfo
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- CN207632560U CN207632560U CN201720997241.7U CN201720997241U CN207632560U CN 207632560 U CN207632560 U CN 207632560U CN 201720997241 U CN201720997241 U CN 201720997241U CN 207632560 U CN207632560 U CN 207632560U
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- hot conversion
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Abstract
The utility model is related to water-treatment technology fields, more particularly to a kind of counter-infiltration system with cold-hot conversion device, the inlet pipeline of the reverse osmosis membrane processing device is equipped with cold-hot conversion device and high-pressure pump, the reverse osmosis membrane processing device is connect with the cold-hot conversion device pipeline realizes heat exchange, raw water enters the reverse osmosis membrane processing device after the cold-hot conversion device heats or freezes through high-pressure pump successively, and concentrated water that treated or production water flow through the cold-hot conversion device through pipeline respectively.The utility model takes full advantage of the thermal energy of entire counter-infiltration system, plays energy-conserving action.
Description
Technical field
The utility model is related to water-treatment technology fields, and in particular to a kind of counter-infiltration system with cold-hot conversion device.
Background technology
In desalination technology, as project cost and operating cost persistently reduced in recent years, hyperfiltration has become hair
The most fast method for desalting seawater of exhibition.Hyperfiltration be by high-pressure pump by seawater pressurization make fresh water through reverse osmosis membrane enter it is another
Side has the advantages that with good investment, low energy consumption, the construction period is short, occupation of land is few to realize the desalination of seawater.
The fenestra of reverse osmosis membrane is influenced by pending solution temperature and becomes larger or become smaller, in existing counter-infiltration system,
Into the pending solution of reverse osmosis membrane processing device temperature difference when, the effluent quality of counter-infiltration system becomes therewith
Change, influences effluent characteristics.Also, pending solution when the temperature is excessively high, reverse osmosis membrane can be damaged.
Utility model content
Above-mentioned to solve the problems, such as, the utility model offer is a kind of to be carried out inflow temperature place is heated or cooled
Reason so that the inflow temperature of counter-infiltration system maintains a more stationary temperature, and can realize the reverse osmosis of energy saving purpose
System.
To achieve the above object, the technical solution of the utility model is：A kind of reverse osmosis with cold-hot conversion device is provided
The inlet pipeline of permeable system, including reverse osmosis membrane processing device, the reverse osmosis membrane processing device is equipped with cold-hot conversion device
And high-pressure pump, the reverse osmosis membrane processing device is connect with the cold-hot conversion device pipeline realizes that heat exchange, raw water pass through successively
Enter the reverse osmosis membrane processing device, concentrated water that treated or production through high-pressure pump after the cold-hot conversion device heating or refrigeration
Water flows through the cold-hot conversion device through pipeline respectively.
Preferably, the cold-hot conversion device includes cold and hot switch room and several heat exchanger tubes, the reverse osmosis membrane processing dress
The concentrated water outlet set or/and production water out are connected to the water inlet of corresponding heat exchanger tube in the cold-hot conversion device, described cold and hot
Wherein the water inlet of one or more heat exchanger tube is connect with raw water service in conversion equipment, is connect with raw water service
The flow direction of raw water is opposite with concentrated water in other heat exchanger tubes or/and the production flow direction of water in heat exchanger tube.
Preferably, heat-transfer device is equipped in the cold and hot switch room.
Preferably, the heat-transfer device is thermal conductive pipe, and the thermal conductive pipe internal circulation flow has heat-conducting medium, described to lead
Heat pipeline is contacted with the tube wall of each heat exchanger tube in the cold and hot switch room.
Preferably, the heat-transfer device is heat sink, and the heat sink is equipped with several heat emission holes, and the heat sink is uniform
It is distributed between each heat exchanger tube.
Preferably, the thermal conductive pipe is helical structure, is uniformly coiled in the pipe of each heat exchanger tube in the cold and hot switch room
On wall.
Preferably, the outlet pipeline of the cold-hot conversion device is equipped with temperature-adjusting device, the temperature-adjusting device
Outlet pipeline be equipped with the first temperature detect switch (TDS), heated through the cold-hot conversion device and the temperature-adjusting device for detecting
Refrigeration after raw water temperature and according to testing result come control the temperature-adjusting device continue heating or refrigeration.
Preferably, the inlet pipeline of the cold-hot conversion device is equipped with protection system, and the protection system includes drawing water
Pipe, suction pump, drainpipe and three-way magnetic valve, described three-way magnetic valve one end are communicated with the outlet pipe of the suction pump, one end
It is communicated with the drainpipe, the other end is communicated with the water inlet pipe of the cold-hot conversion device, and the suction pump is powered with described three
The second temperature detect switch (TDS) is equipped between magnet valve, second temperature detect switch (TDS) is for detecting raw water temperature, when testing result is beyond minimum
The valve for leading to the cold-hot conversion device side with three-way magnetic valve when highest preset temperature is closed, and the draining is led to
The valve of pipe side is opened；When testing result is in preset temperature range, the three-way magnetic valve leads to the cold and hot converting means
The valve for setting side is opened, and the valve for leading to the drainpipe side is closed.
Preferably, the inlet pipeline of the cold-hot conversion device is equipped with protection system, and the protection system includes drawing water
Pipe, suction pump, drainpipe, the drainpipe are equipped with the first valve, and the water inlet pipe of the cold-hot conversion device is equipped with second
Valve, first valve between second valve and the suction pump, the suction pump and first valve it
Between be equipped with the second temperature detect switch (TDS), second temperature detect switch (TDS) is for detecting raw water temperature, when testing result exceeds minimum and highest
Second valve described in when preset temperature is closed, and first valve is opened；When testing result is in preset temperature range, described
Two valves are opened, and first valve is closed.
The beneficial effects of the utility model：The utility model is by the protection system added in counter-infiltration system to raw water
Prescreening is carried out, subcooled water or superheated water are excluded, recycles cold-hot conversion device and temperature-adjusting device to counter-infiltration system
Raw water is heated or is freezed, and it is relative constant in the temperature range worked normally conducive to reverse osmosis membrane processing device to be allowed to temperature
It is interior, the efficiency of the stability and production water of counter-infiltration system producing water water quality is improved, the service life of reverse osmosis membrane is extended.
Cold-hot conversion device utilizes the concentrated water of reverse osmosis membrane processing device output or/and produces water and enter cold-hot conversion device
Raw water carry out heat exchange, to increase or decrease the temperature of raw water in advance, then added with the raw water after temperature-adjusting device heat exchanging
Heat is cooling, takes full advantage of the thermal energy of entire counter-infiltration system, plays energy-conserving action.
Description of the drawings
Fig. 1 is counter-infiltration system structure chart of the utility model with cold-hot conversion device.
Fig. 2 is the structural schematic diagram that system is protected in the utility model.
Fig. 3 is another structural schematic diagram that system is protected in the utility model.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
As shown in Figure 1, the utility model provides a kind of counter-infiltration system with cold-hot conversion device, including high-pressure pump 4,
Reverse osmosis membrane processing device 5, cleaning water tank 3, cold-hot conversion device 1 and temperature-adjusting device 2, cold-hot conversion device 1 and temperature
Regulating device 2 is set on the inlet pipeline of reverse osmosis membrane processing device 5.Cold-hot conversion device 1 includes cold and hot switch room and is set to
It is cold and hot to exchange indoor three heat exchanger tubes 8, multiple cooling fins 6 are connected between three heat exchanger tubes 8, the first heat exchanger tube and second are changed
The water inlet of both heat pipes exports and is produced with the concentrated water of reverse osmosis membrane processing device 5 respectively water out and connect, third heat exchanger tube
Water inlet is connect with raw water service, and the water outlet of third heat exchanger tube is connect with temperature-adjusting device 2.Raw water enters third and changes
Heat pipe simultaneously flows out after being exchanged heat with the production water in the concentrated water and the second heat exchanger tube in the first heat exchanger tube from cold-hot conversion device 1.
The raw water flowed out from cold-hot conversion device 1 enters temperature-adjusting device 2, and the raw water after 2 heat exchanging of temperature-adjusting device is added
Heat or refrigeration, are allowed to temperature and reach set temperature, then send to reverse osmosis membrane processing device 5 and are carried out only after the pressurization of high-pressure pump 4
Change is handled.The concentrated water outlet of reverse osmosis membrane processing device 5 is connected with concentrated water discharge pipeline, and a branch of concentrated water discharge pipeline connects
It is connected to cleaning water tank 3, another branch is connect with the water inlet of the first heat exchanger tube of cold-hot conversion device 1, reverse osmosis membrane processing dress
The water inlet for setting 5 production water out and the second heat exchanger tube of cold-hot conversion device connects.It is additionally provided with fresh water on the cleaning water tank 3
Service, the water outlet for cleaning water tank 3 are connect by cleaning water pipe with the inlet pipeline of high-pressure pump 4, and cleaning water pipe is equipped with
Valve opens the valve when needing to clean reverse osmosis membrane processing device 5, otherwise closes.
The utility model exchanges heat only by the concentrated water or production water of 5 output of reverse osmosis membrane processing device with raw water, at this point,
Two heat exchanger tubes are set as in the cold-hot conversion device 1, the water inlet of a heat exchanger tube is connect with raw water service, this is changed
The water outlet of heat pipe is connect with temperature-adjusting device 2.The concentrated water of the water inlet and reverse osmosis membrane processing device 5 of another heat exchanger tube
Outlet or production water out connection, the concentrated water or production water of reverse osmosis membrane processing device 5 are through the original in the heat exchanger tube and another heat exchanger tube
Water is discharged after completing heat exchange outside cold-hot conversion device 1.Multiple cooling fins are connected between two heat exchanger tubes, so that heat is at two
It is swapped between heat exchanger tube, realizes the heat exchange of raw water and concentrated water or production water.
Further, the heat exchange efficiency to improve in cold-hot conversion device 1 between each heat exchanger tube.In the cold and hot switch room
Equipped with thermal conductive pipe 7,7 internal circulation flow of thermal conductive pipe has heat-conducting medium, thermal conductive pipe 7 to be contacted with the tube wall of each heat exchanger tube.It leads
Thermal medium can be air, water or other fluid.It is circulated by heat-conducting medium in thermal conductive pipe 7, promotes cold-hot conversion device 1
Fluid temperature (F.T.) in interior various heat exchange pipe tends to thermal equilibrium temperature.The thermal conductive pipe 7 can be helical structure, be coiled in each
On the tube wall of heat exchanger tube 8.
In the cold-hot conversion device 1 for raw water by the water inlet of heat exchanger tube be set to one end of cold-hot conversion device 1,
The water inlet of other heat exchanger tubes is set to the other end of cold-hot conversion device 1.In this way, into cold-hot conversion device 1 concentrated water or/
Heat exchange can be carried out with raw water adverse current with fresh water, heat exchange is more abundant, improves heat transfer effect.
The cold and hot switch room is cylindrical empty cavity configuration, or is rectangular enclosure structure.It is parallel between heat exchanger tube 8 to set
It sets, each heat exchanger tube 8 is passed through from the both ends of cold and hot switch room, and has respective inlet and outlet.Each heat exchanger tube 8 is located at cold
The indoor part of heat exchange may be configured as straight tube structure or helical structure, and raw water, concentrated water or/and light can be improved in helical structure pipeline
Water exchanges the indoor residence time cold and hot, increases heat exchange area, to improve heat transfer effect.
The temperature-adjusting device 2 is heater or refrigerator.When raw water temperature is relatively low, temperature-adjusting device 2 uses
Heater makes raw water temperature before entering reverse osmosis membrane processing device 5 be improved, 5 output of reverse osmosis membrane processing device
Concentrated water or production coolant-temperature gage want high compared with raw water temperature, and the higher of 5 output of reverse osmosis membrane processing device is utilized in cold-hot conversion device 1
The concentrated water or production water of temperature exchange heat with raw water, improve the temperature of raw water in advance, and heated device heating again, has been saved entire anti-later
The thermal energy of osmosis system.When raw water temperature is higher, temperature-adjusting device 2 uses refrigerator, makes raw water into reverse osmosis membrane
Temperature is reduced before processing unit 5, and the concentrated water or production coolant-temperature gage of 5 output of reverse osmosis membrane processing device are wanted compared with raw water temperature
It is low, it is changed with raw water using the concentrated water or production water of the lower temperature of 5 output of reverse osmosis membrane processing device in cold-hot conversion device 1
Heat reduces the temperature of raw water, cools down again through refrigerator later in advance, reduces the energy consumption of refrigerator, saves system capacity.
Further, the first temperature detect switch (TDS) 9 is additionally provided on the outlet pipeline of temperature-adjusting device 2, for detecting through institute
It states the raw water temperature after cold-hot conversion device 1 and the heating of the temperature-adjusting device 2 or refrigeration and controls according to testing result
The temperature-adjusting device 2 continues to heat or freeze, to ensure the raw water temperature for flowing through the reverse osmosis membrane processing device in profit
Within the temperature range of reverse osmosis membrane processing device normal work.
As shown in Fig. 2, in the utility model, protection system is additionally provided on the water inlet pipe of the cold-hot conversion device 1, it is described
Protection system includes drinking-water pipe, suction pump 10, drainpipe and three-way magnetic valve 11, the suction pump 10 and the three-way magnetic valve
The second temperature detect switch (TDS) 12 is equipped between 11, second temperature detect switch (TDS) 12 is for detecting raw water temperature, when testing result is beyond most
The three-way magnetic valve 11 leads to the valve closing of 1 side of the cold-hot conversion device when low and highest preset temperature, leads to institute
The valve for stating drainpipe side is opened.
As shown in figure 3, in the utility model, the inlet pipeline of the cold-hot conversion device is equipped with protection system, described
Protection system includes drinking-water pipe, suction pump 10, drainpipe, and the drainpipe is equipped with the first valve 13, the cold and hot converting means
The water inlet pipe for setting 1 is equipped with the second valve 14, first valve 13 be located at second valve 14 and the suction pump 10 it
Between, the second temperature detect switch (TDS) 12 is equipped between the suction pump 10 and first valve 13, second temperature detect switch (TDS) 12 is used for
Detect raw water temperature, when testing result is beyond minimum and highest preset temperature described in the second valve 14 close, first valve
Door 13 is opened；When testing result is in preset temperature range, second valve 14 is opened, and first valve 13 is closed.
Cold-hot conversion device 1 and temperature-adjusting device 2 in the utility model can be additionally used in the temperature of Household water purification equipment
It adjusts.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Any modification, equivalent replacement or improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (8)
1. a kind of counter-infiltration system with cold-hot conversion device, including reverse osmosis membrane processing device, it is characterised in that：The reverse osmosis
The inlet pipeline of permeable membrane processing unit be equipped with cold-hot conversion device and high-pressure pump, the reverse osmosis membrane processing device with it is described cold
Heat conversion device pipeline connection realize heat exchange, raw water successively through the cold-hot conversion device heat or freeze after through high-pressure pump into
Enter the reverse osmosis membrane processing device, concentrated water that treated or production water flow through the cold-hot conversion device through pipeline respectively, described
Cold-hot conversion device includes cold and hot switch room and several heat exchanger tubes, the concentrated water outlet or/and production of the reverse osmosis membrane processing device
The water out and water inlet of corresponding heat exchanger tube connects in the cold-hot conversion device, in the cold-hot conversion device wherein one or
The water inlet of more heat exchanger tubes is connect with raw water service, in the heat exchanger tube being connect with raw water service the flow direction of raw water with
Concentrated water or/and the flow direction of production water are opposite in other heat exchanger tubes.
2. the counter-infiltration system according to claim 1 with cold-hot conversion device, it is characterised in that：The cold and hot switch room
It is interior to be equipped with heat-transfer device.
3. the counter-infiltration system according to claim 2 with cold-hot conversion device, it is characterised in that：The heat-transfer device is
Thermal conductive pipe, the thermal conductive pipe internal circulation flow have a heat-conducting medium, the thermal conductive pipe with it is each in the cold and hot switch room
The tube wall of heat exchanger tube contacts.
4. the counter-infiltration system according to claim 2 with cold-hot conversion device, it is characterised in that：The heat-transfer device is
Heat sink, the heat sink are equipped with several heat emission holes, and the heat sink is evenly distributed between each heat exchanger tube.
5. the counter-infiltration system according to claim 3 with cold-hot conversion device, it is characterised in that：The thermal conductive pipe is
Helical structure is uniformly coiled in the cold and hot switch room on the tube wall of each heat exchanger tube.
6. the counter-infiltration system according to claim 1 with cold-hot conversion device, it is characterised in that：The cold and hot converting means
The outlet pipeline set is equipped with temperature-adjusting device, and the thermostatic outlet pipeline is equipped with the first temperature detect switch (TDS),
For detecting the raw water temperature after the cold-hot conversion device and temperature-adjusting device heating or refrigeration and according to detection
As a result continue heating or refrigeration to control the temperature-adjusting device.
7. the counter-infiltration system according to claim 1 with cold-hot conversion device, it is characterised in that：The cold and hot converting means
Protection system is additionally provided on the inlet pipeline set, the protection system includes drinking-water pipe, suction pump, drainpipe and threeway electromagnetism
Valve, described three-way magnetic valve one end are communicated with the outlet pipe of the suction pump, and one end is communicated with the drainpipe, the other end and institute
The water inlet pipe for stating cold-hot conversion device communicates, and the second temperature detect switch (TDS), institute are equipped between the suction pump and the three-way magnetic valve
It states the second temperature detect switch (TDS) to be used to detect raw water temperature, the threeway electromagnetism when testing result is beyond minimum and highest preset temperature
The valve that valve leads to the cold-hot conversion device side is closed, and the valve for leading to the drainpipe side is opened；Testing result exists
When in preset temperature range, the valve that the three-way magnetic valve leads to the cold-hot conversion device side is opened, and the row is led to
The valve of water pipe side is closed.
8. the counter-infiltration system according to claim 1 with cold-hot conversion device, it is characterised in that：The cold and hot converting means
Protection system is additionally provided on the inlet pipeline set, the protection system includes drinking-water pipe, suction pump, drainpipe, the drainpipe
It is equipped with the first valve, the water inlet pipe of the cold-hot conversion device is equipped with the second valve, and first valve is located at described the
Between two valves and the suction pump, between the suction pump and first valve be equipped with the second temperature detect switch (TDS), described second
Temperature detect switch (TDS) for detecting raw water temperature, when testing result is beyond minimum and highest preset temperature described in the second valve close,
First valve is opened；When testing result is in preset temperature range, second valve is opened, and first valve closes
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720997241.7U CN207632560U (en) | 2017-08-10 | 2017-08-10 | A kind of counter-infiltration system with cold-hot conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720997241.7U CN207632560U (en) | 2017-08-10 | 2017-08-10 | A kind of counter-infiltration system with cold-hot conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207632560U true CN207632560U (en) | 2018-07-20 |
Family
ID=62861840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720997241.7U Active CN207632560U (en) | 2017-08-10 | 2017-08-10 | A kind of counter-infiltration system with cold-hot conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207632560U (en) |
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2017
- 2017-08-10 CN CN201720997241.7U patent/CN207632560U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191205 Address after: 518000 103, building a, No.5, Chuangwei innovation Valley, Tangtou No.1 Road, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN ROMER ENVIRONMENT TREATMENT CO., LTD. Address before: 518000 101, 102, building a, No.5, Chuangwei innovation Valley, Tangtou No.1 Road, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Chuang Neng marine science and Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |