CN205382046U - Receive constant pressure water supply system of straining - Google Patents

Receive constant pressure water supply system of straining Download PDF

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Publication number
CN205382046U
CN205382046U CN201620061290.5U CN201620061290U CN205382046U CN 205382046 U CN205382046 U CN 205382046U CN 201620061290 U CN201620061290 U CN 201620061290U CN 205382046 U CN205382046 U CN 205382046U
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China
Prior art keywords
pipeline
finished product
water
water inlet
outlet
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Expired - Fee Related
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CN201620061290.5U
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Chinese (zh)
Inventor
张义波
俞军令
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Guangdong Yimin Environment Protection Technology Co Ltd
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Guangdong Yimin Environment Protection Technology Co Ltd
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Priority to CN201620061290.5U priority Critical patent/CN205382046U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a receive constant pressure water supply system of straining, including first secondary filter, the delivery port of first secondary filter passes through the pipeline and is connected with the high -pressure pump water inlet, the high -pressure pump delivery port is through the pipe connection to receiving filter membrane filter equipment's water inlet, receive filter membrane filter equipment's water purification export through the water inlet of pipe connection to the ultraviolet sterilizing ware, the delivery port of ultraviolet sterilizing ware passes through the water inlet connection of pipeline finished product water tank, the water outlet pipe way of finished product water tank is connected to the water inlet of second secondary filter, the delivery port of second secondary filter passes through the pipeline and is connected with the water inlet of working shaft, the delivery port of working shaft passes through the pipeline and is connected with pressure transmitter's water inlet, pressure transmitter's delivery port passes through the pipe connection and nets to the flow pipe. This receive constant pressure water supply system of straining adopts the constant pressure water supply technique, and the pressure that supplies water in the invariable pipeline can effectively prolong to receive and receive the life of filter membrane among the filter membrane filter equipment, strengthens the filter effect simultaneously.

Description

A kind of nanofiltration constant pressure water supply system
Technical field
This utility model belongs to technical field of water treatment equipment, is specifically related to a kind of nanofiltration constant pressure water supply system.
Background technology
Nanofiltration is a kind of membrane separation technique separated from reverse osmosis technology, is continuity and the development branch of ultra-low-pressure reverse osmosis technology.It is generally believed that NF membrane also exists nano level pore, and the smallest molecule that rejection is more than 95% is about 1mm, so this membrane separation technique is named as in recent years: Nanofiltration, is called for short: NF, Chinese is translated into: nanofiltration.In a very long time in past, NF membrane is referred to as ultra-low-pressure reverse osmosis film (LPRO:LowPressureReverseOsmosis), or claims selectivity reverse osmosis membrane or loose reverse osmosis membrane (LooseRO:LooseReverseOsmosis).The separating property of NF membrane had once been carried out concrete definition by the quick youth of Japanese scholars large space between muscles: operation pressure≤1.50mPa, molecular cut off 200 ~ 1000, the film of rejection≤90% of NaCl may be considered NF membrane.Now; nanofiltration is separated from reverse osmosis technology; become the independent isolation technics between ultrafiltration and reverse osmosis technology; oneself becomes an important branch in membrane separation technique through being widely used in the numerous areas such as desalinization, ultra-pure water manufacture, food industry, environmental conservation.
Water system is an indispensable important ring in national product life.Traditional water supply mode floor space is big, and water quality is easily polluted, and capital expenditure is many, and topmost shortcoming to be hydraulic pressure can not keep constant, cause equipment component cisco unity malfunction.
Variable-frequency control technique is the alternating current generator stepless time adjustment technology of a kind of novel maturation, and it is widely used in speed controlling field, particularly water supply industry with its unique excellent control performance.Due to the special requirement of safety in production and quality of water supply, constant pressure water supply pressure there is is strict requirement, thus variable-frequency control technique obtains more deep application.
The current NF membrane constant pressure water supply of China is started late, existing NF membrane hydrotechny major part is all opened loop control, do not utilize constant pressure water supply technology, it is easy to the pressure causing pipeline is non-constant, thus cause NF membrane with changing the weak effect that frequency is fast, filter.
Utility model content
For overcoming the deficiencies in the prior art, this utility model devises a kind of nanofiltration constant pressure water supply system, and this nanofiltration constant pressure water supply system adopts constant pressure water supply technology, pressure of supply water in constant pipeline, can effectively extend in nanofiltration membrane device the service life of NF membrane, strengthen filter effect simultaneously.
nullFor realizing technique scheme,This utility model provides a kind of nanofiltration constant pressure water supply system,Including the first fine filter、High-pressure pump、Nanofiltration membrane device、Ultraviolet sterilizer、First finished product water tank、Second finished product water tank and the second fine filter,The water inlet of described first fine filter is connected with water source by pipeline,The outlet of described first fine filter is connected with high-pressure pump water inlet by pipeline,Described high-pressure pump outlet is connected to the water inlet of nanofiltration membrane device by pipeline,Described nanofiltration membrane device is provided with a pure water inlet and a wastewater outlet,Described wastewater outlet is connected with wastewater treatment equipment by pipeline,Described pure water inlet is connected to the water inlet of ultraviolet sterilizer by pipeline,The outlet of described ultraviolet sterilizer is connected with the water inlet of the first finished product water tank and the second finished product water tank respectively by pipeline,The outlet of described first finished product water tank and the second finished product water tank is connected to the water inlet of the second fine filter respectively through pipeline,The outlet of described second fine filter is connected with the water inlet of the first feed pump and the second feed pump respectively by pipeline,The outlet of described first feed pump and the second feed pump is connected with the water inlet of pressure transmitter respectively through pipeline,The outlet of described pressure transmitter is connected to flow pipe net by pipeline.
In technique scheme, current to be processed are needed to be delivered to the first fine filter by pipeline, after the impurity that granule is bigger removed by first fine filter, it is delivered to nanofiltration membrane device by the high-pressure pump of constant pressure, water purification after nanofiltration membrane device processes is delivered to ultraviolet sterilizer by pipeline and carries out ultraviolet sterilization, waste water after nanofiltration membrane device processes is delivered to down one wastewater treatment operation by pipeline or directly discharges, water purification after ultraviolet sterilization processes is stored in the first finished product water tank or the second finished product water tank carries out energy dissipating storage, after interval energy dissipating, water purification is transported to the second fine filter and carries out fine straining again, it is delivered to flow pipe net afterwards by the first feed pump or the second feed pump.
Preferably, described nanofiltration membrane device is composed in series by four road NF membrane, and the number of NF membrane series connection is unsuitable too much, otherwise needs very big pressure reduction guarantee current by all of NF membrane, so easily punctures first NF membrane;The number of NF membrane series connection is also unsuitable very few, does not otherwise reach the effect of filtration.
Preferably, the pipeline of described first fine filter inlet end is provided with the first electromagnetic valve, the wastewater outlet pipeline of described nanofiltration membrane device is provided with the second electromagnetic valve.
Preferably, the pipeline of described first electromagnetic valve water inlet front end is provided with the first ball valve, second ball valve is arranged on the pipeline of high-pressure pump outlet, 3rd ball valve is arranged on the pure water inlet of nanofiltration membrane device, 4th ball valve and the 5th ball valve are separately mounted to the first finished product water tank and the outlet of the second finished product water tank, 6th ball valve and the 7th ball valve are separately mounted to the first feed pump and the inlet end of the second feed pump, and the 8th ball valve and the 9th ball valve are separately mounted to the first feed pump and the water outlet end of the second feed pump.
In such scheme, former water to be processed is needed to be entered the water inlet of the first electromagnetic valve by pipeline, when the first finished product water tank and the second finished product water tank meet flow condition, perform filter, first electromagnetic valve and the second electromagnetic valve are opened, ultraviolet sterilizer is opened, high-pressure pump starts, High-Pressure Water is through the water inlet of the first fine filter outlet pipeline flow-direction nanofiltration membrane device, water purification (water filtered) outlet after nanofiltration membrane device processes is through pipeline flow-direction the first finished product water tank and the second finished product water tank, simultaneously, the waste water of nanofiltration membrane device flows out through the second electromagnetic valve.It is satisfied by high prescribing a time limit, the first electromagnetic valve and the second electromagnetic valve, ultraviolet sterilizer, high-pressure pump Close All at the first finished product water tank and the second finished product cistern water level.First finished product water tank and the second finished product water tank are under meeting water yielding condition, and the first feed pump and the exchange of the second feed pump run (exchange in 12 hours runs), are supplied in pipe network by the pure water in the first finished product water tank and the second finished product water tank.In this water system, control program and control the frequency of feed pump according to the pressure signal that pressure transmitter feeds back so that water can be supplied away with constant pressure by pipe network.
nullPreferably,Pipeline between described first ball valve and the first electromagnetic valve is provided with the first sampling valve,Second sampling valve is arranged on the pipeline of pure water inlet end of nanofiltration membrane device,3rd sampling valve is arranged on the pipeline of wastewater outlet end of nanofiltration membrane device,4th sampling valve and the 5th sampling valve are separately mounted to the first finished product water tank and the bottom of the second finished product water tank,First sampling valve is used for gathering undressed former water water sample,Second sampling valve is for gathering the water sample of water purification after nanofiltration membrane device processes,3rd sampling valve is for gathering the water sample through nanofiltration membrane device processed waste water,4th sampling valve and the 5th sampling valve are respectively used to gather after sterilizing processes in the first finished product water tank and the second finished product water tank the water sample of water purification,Gather above water sample data to be conducive to going to take corresponding treatment measures by these data analysiss.
Preferably, the pipeline of described 8th ball valve and the 9th ball valve water outlet end being respectively arranged with the first check valve and the second check valve, check valve enters feed pump for the flow backwards in anti-antipriming pipe.
Preferably, the water outlet end of described pressure transmitter is provided with water-hammer arrester, and water-hammer arrester can eliminate the water hammer produced in feed pump due to pressure transient, it is ensured that stablizing of water supply.
Preferably, it is provided with chemicals dosing plant between described ultraviolet sterilizer and the first finished product water tank, the port of export of described chemicals dosing plant is connected on the connection pipeline between ultraviolet sterilizer and the first finished product water tank, and when chemicals dosing plant may be used for cleaning finished product water tank, carry out disinfection sterilization to finished product water tank.
Having the beneficial effects that of a kind of nanofiltration constant pressure water supply system that this utility model provides: this nanofiltration constant pressure water supply system adopts constant pressure water supply technology, pressure of supply water in constant pipeline, can effectively extend in nanofiltration membrane device the service life of NF membrane, strengthen filter effect simultaneously.
Accompanying drawing explanation
Fig. 1 is connection diagram of the present utility model.
Fig. 2 is the attachment structure enlarged drawing of this utility model mesohigh pump and nanofiltration membrane device.
Fig. 3 is the connection diagram of part-structure in this utility model.
In figure: 11, the first electromagnetic valve;12, the second electromagnetic valve;21, the first ball valve;22, the second ball valve;23, the 3rd ball valve;24, the 4th ball valve;25, the 5th ball valve;26, the 6th ball valve;27, the 7th ball valve;28, the 8th ball valve;29, the 9th ball valve;31, the first sampling valve;32, the second sampling valve;33, the 3rd sampling valve;34, the 4th sampling valve;35, the 5th sampling valve;41, the first check valve;42, the second check valve;51, water-hammer arrester;100, the first fine filter;200, high-pressure pump;300, nanofiltration membrane device;301, NF membrane;400, ultraviolet sterilizer;500, chemicals dosing plant;601, the first finished product water tank;602, the second finished product water tank;700, the second fine filter;801, the first feed pump;802, the second feed pump;900, pressure transmitter.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clear, complete description, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.The every other embodiment that this area ordinary person obtains under not making creative work premise, belongs to protection domain of the present utility model.
Embodiment: a kind of nanofiltration constant pressure water supply system.
nullWith reference to shown in Fig. 1,Including the first fine filter 100、High-pressure pump 200、Nanofiltration membrane device 300、Ultraviolet sterilizer 400、First finished product water tank 601、Second finished product water tank 602 and the second fine filter 700,The water inlet of described first fine filter 100 is connected with water source by pipeline,The outlet of described first fine filter 100 is connected with high-pressure pump 200 water inlet by pipeline,Described high-pressure pump 200 outlet is connected to the water inlet of nanofiltration membrane device 300 by pipeline,Described nanofiltration membrane device 300 is provided with a pure water inlet and a wastewater outlet,Described wastewater outlet is connected with wastewater treatment equipment by pipeline,Described pure water inlet is connected to the water inlet of ultraviolet sterilizer 400 by pipeline,The outlet of described ultraviolet sterilizer 400 is connected with the water inlet of the first finished product water tank 601 and the second finished product water tank 602 respectively by pipeline,The outlet of described first finished product water tank 601 and the second finished product water tank 602 is connected to the water inlet of the second fine filter 700 respectively through pipeline,The outlet of described second fine filter 700 is connected with the water inlet of the first feed pump 801 and the second feed pump 802 respectively by pipeline,The outlet of described first feed pump 801 and the second feed pump 802 is connected respectively through the water inlet of pipeline with pressure transmitter 900,The outlet of described pressure transmitter 900 is connected to flow pipe net by pipeline.
nullIn technique scheme,Current to be processed are needed to be delivered to the first fine filter 100 by pipeline,After the impurity that granule is bigger removed by first fine filter 100,It is delivered to nanofiltration membrane device 300 by the high-pressure pump 200 of constant pressure,Water purification after nanofiltration membrane device 300 processes is delivered to ultraviolet sterilizer 400 by pipeline and carries out ultraviolet sterilization,Waste water after nanofiltration membrane device 300 processes is delivered to down one wastewater treatment operation by pipeline or directly discharges,Water purification after ultraviolet sterilization processes is stored in the first finished product water tank 601 or the second finished product water tank 602 carries out energy dissipating storage,After interval energy dissipating,Water purification is transported to the second fine filter 700 and carries out fine straining again,It is delivered to flow pipe net afterwards by the first feed pump 801 or the second feed pump 802.
With reference to shown in Fig. 1, described nanofiltration membrane device 300 is composed in series by four road NF membrane 301, the number of NF membrane 301 series connection is unsuitable too much, otherwise needs very big pressure reduction guarantee current by all of NF membrane 301, so easily punctures first NF membrane 301;The number of NF membrane 301 series connection is also unsuitable very few, does not otherwise reach the effect of filtration.
With reference to shown in Fig. 2, the pipeline of described first fine filter 100 inlet end is provided with the first electromagnetic valve 11, the wastewater outlet pipeline of described nanofiltration membrane device 300 is provided with the second electromagnetic valve 12.
With reference to shown in Fig. 2 and Fig. 3, the pipeline of described first electromagnetic valve 11 water inlet front end is provided with the first ball valve 21, second ball valve 22 is arranged on the pipeline of high-pressure pump 200 outlet, 3rd ball valve 23 is arranged on the pure water inlet of nanofiltration membrane device 300, 4th ball valve 24 and the 5th ball valve 25 are separately mounted to the outlet of the first finished product water tank 601 and the second finished product water tank 602, 6th ball valve 26 and the 7th ball valve 27 are separately mounted to the inlet end of the first feed pump 801 and the second feed pump 802, 8th ball valve 28 and the 9th ball valve 29 are separately mounted to the water outlet end of the first feed pump 801 and the second feed pump 802.
In such scheme, former water to be processed is needed to be entered the water inlet of the first electromagnetic valve 11 by pipeline, when the first finished product water tank 601 and the second finished product water tank 602 meet flow condition, perform filter, first electromagnetic valve 11 and the second electromagnetic valve 12 are opened, ultraviolet sterilizer 400 is opened, high-pressure pump 200 starts, High-Pressure Water is through the water inlet of the first fine filter 100 outlet pipeline flow-direction nanofiltration membrane device 300, water purification (water filtered) outlet after nanofiltration membrane device 300 processes is through pipeline flow-direction the first finished product water tank 601 and the second finished product water tank 602, simultaneously, the waste water of nanofiltration membrane device 300 flows out through the second electromagnetic valve 12.It is satisfied by high prescribing a time limit, the first electromagnetic valve 11 and the second electromagnetic valve 12, ultraviolet sterilizer 400, high-pressure pump 200 Close All at the first finished product water tank 601 and the second finished product water tank 602 water level.First finished product water tank 601 and the second finished product water tank 602 are under meeting water yielding condition, and the first feed pump 801 and the exchange of the second feed pump 802 run (exchange in 12 hours runs), are supplied in pipe network by the pure water in the first finished product water tank 601 and the second finished product water tank 602.In this water system, control program and control the frequency of feed pump according to the pressure signal that pressure transmitter 900 feeds back so that water can be supplied away with constant pressure by pipe network.
nullWith reference to shown in Fig. 2 and Fig. 3,Pipeline between described first ball valve 21 and the first electromagnetic valve 11 is provided with the first sampling valve 31,Second sampling valve 32 is arranged on the pipeline of pure water inlet end of nanofiltration membrane device 300,3rd sampling valve 33 is arranged on the pipeline of wastewater outlet end of nanofiltration membrane device 300,4th sampling valve 34 and the 5th sampling valve 35 are separately mounted to the bottom of the first finished product water tank 601 and the second finished product water tank 602,First sampling valve 31 is used for gathering undressed former water water sample,Second sampling valve 32 is for gathering the water sample of water purification after nanofiltration membrane device 300 processes,3rd sampling valve 33 is for gathering the water sample through nanofiltration membrane device 300 processed waste water,4th sampling valve 34 and the 5th sampling valve 35 are respectively used to gather after sterilizing processes in the first finished product water tank 601 and the second finished product water tank 602 water sample of water purification,Gather above water sample data to be conducive to going to take corresponding treatment measures by these data analysiss..
With reference to shown in Fig. 3, the pipeline of described 8th ball valve 28 and the 9th ball valve 29 water outlet end being respectively arranged with the first check valve 41 and the second check valve 42, check valve enters feed pump for the flow backwards in anti-antipriming pipe.
With reference to shown in Fig. 3, the water outlet end of described pressure transmitter 900 is provided with water-hammer arrester 51, and water-hammer arrester 51 can eliminate the water hammer produced in feed pump due to pressure transient, it is ensured that stablizing of water supply.
With reference to shown in Fig. 3, it is provided with chemicals dosing plant 500 between described ultraviolet sterilizer 400 and the first finished product water tank 601, the port of export of described chemicals dosing plant 500 is connected on the connection pipeline between ultraviolet sterilizer 400 and the first finished product water tank 601, when chemicals dosing plant 500 may be used for cleaning finished product water tank, carry out disinfection sterilization to finished product water tank.
The above is preferred embodiment of the present utility model; but this utility model should not be limited to this embodiment and accompanying drawing disclosure of that; so every without departing from the equivalence completed under spirit disclosed in the utility model or amendment, both fall within the scope of this utility model protection.

Claims (8)

  1. null1. a nanofiltration constant pressure water supply system,It is characterized in that: include the first fine filter (100)、High-pressure pump (200)、Nanofiltration membrane device (300)、Ultraviolet sterilizer (400)、First finished product water tank (601)、Second finished product water tank (602) and the second fine filter (700),The water inlet of described first fine filter (100) is connected with water source by pipeline,The outlet of described first fine filter (100) is connected with high-pressure pump (200) water inlet by pipeline,Described high-pressure pump (200) outlet is connected to the water inlet of nanofiltration membrane device (300) by pipeline,Described nanofiltration membrane device (300) is provided with a pure water inlet and a wastewater outlet,Described wastewater outlet is connected with wastewater treatment equipment by pipeline,Described pure water inlet is connected to the water inlet of ultraviolet sterilizer (400) by pipeline,The outlet of described ultraviolet sterilizer (400) is connected with the water inlet of the first finished product water tank (601) and the second finished product water tank (602) respectively by pipeline,The outlet of described first finished product water tank (601) and the second finished product water tank (602) is connected to the water inlet of the second fine filter (700) respectively through pipeline,The outlet of described second fine filter (700) is connected with the water inlet of the first feed pump (801) and the second feed pump (802) respectively by pipeline,The outlet of described first feed pump (801) and the second feed pump (802) is connected respectively through the water inlet of pipeline with pressure transmitter (900),The outlet of described pressure transmitter (900) is connected to flow pipe net by pipeline.
  2. 2. nanofiltration constant pressure water supply system as claimed in claim 1, it is characterised in that: described nanofiltration membrane device (300) is composed in series by four road NF membrane (301).
  3. 3. nanofiltration constant pressure water supply system as claimed in claim 1, it is characterized in that: the pipeline of described first fine filter (100) inlet end is provided with the first electromagnetic valve (11), the wastewater outlet pipeline of described nanofiltration membrane device (300) is provided with the second electromagnetic valve (12).
  4. null4. nanofiltration constant pressure water supply system as claimed in claim 3,It is characterized in that: the pipeline of described first electromagnetic valve (11) water inlet front end is provided with the first ball valve (21),Second ball valve (22) is arranged on the pipeline of high-pressure pump (200) outlet,3rd ball valve (23) is arranged on the pure water inlet of nanofiltration membrane device (300),4th ball valve (24) and the 5th ball valve (25) are separately mounted to the first finished product water tank (601) and the outlet of the second finished product water tank (602),6th ball valve (26) and the 7th ball valve (27) are separately mounted to the first feed pump (801) and the inlet end of the second feed pump (802),8th ball valve (28) and the 9th ball valve (29) are separately mounted to the first feed pump (801) and the water outlet end of the second feed pump (802).
  5. 5. nanofiltration constant pressure water supply system as claimed in claim 4, it is characterized in that: the pipeline between described first ball valve (21) and the first electromagnetic valve (11) is provided with the first sampling valve (31), second sampling valve (32) is arranged on the pipeline of pure water inlet end of nanofiltration membrane device (300), 3rd sampling valve (33) is arranged on the pipeline of wastewater outlet end of nanofiltration membrane device (300), and the 4th sampling valve (34) and the 5th sampling valve (35) are separately mounted to the first finished product water tank (601) and the bottom of the second finished product water tank (602).
  6. 6. nanofiltration constant pressure water supply system as claimed in claim 5, it is characterised in that: the pipeline of described 8th ball valve (28) and the 9th ball valve (29) water outlet end is respectively arranged with the first check valve (41) and the second check valve (42).
  7. 7. nanofiltration constant pressure water supply system as claimed in claim 6, it is characterised in that: the water outlet end of described pressure transmitter (900) is provided with water-hammer arrester (51).
  8. 8. nanofiltration constant pressure water supply system as claimed in claim 6, it is characterized in that: be provided with chemicals dosing plant (500) between described ultraviolet sterilizer (400) and the first finished product water tank (601), the port of export of described chemicals dosing plant (500) is connected on the connection pipeline between ultraviolet sterilizer (400) and the first finished product water tank (601).
CN201620061290.5U 2016-01-22 2016-01-22 Receive constant pressure water supply system of straining Expired - Fee Related CN205382046U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620061290.5U CN205382046U (en) 2016-01-22 2016-01-22 Receive constant pressure water supply system of straining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620061290.5U CN205382046U (en) 2016-01-22 2016-01-22 Receive constant pressure water supply system of straining

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107115792A (en) * 2017-06-09 2017-09-01 长春莱博帕特科技发展有限公司 A kind of counter-infiltration current constant pressure water supply system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107115792A (en) * 2017-06-09 2017-09-01 长春莱博帕特科技发展有限公司 A kind of counter-infiltration current constant pressure water supply system

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Granted publication date: 20160713

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