CN212504258U - Secondary pure water reverse osmosis equipment - Google Patents
Secondary pure water reverse osmosis equipment Download PDFInfo
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- CN212504258U CN212504258U CN202020579212.0U CN202020579212U CN212504258U CN 212504258 U CN212504258 U CN 212504258U CN 202020579212 U CN202020579212 U CN 202020579212U CN 212504258 U CN212504258 U CN 212504258U
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Abstract
And a secondary pure water reverse osmosis device. The utility model relates to a water treatment device. The portable and movable secondary pure water reverse osmosis equipment adopts the technical processes of a raw water pump, quartz stone filtration, activated carbon filtration, a precision filter, a primary high-pressure pump, a primary reverse osmosis membrane, a secondary high-pressure pump and a secondary reverse osmosis membrane. The technical scheme of the utility model is that: comprises a pretreatment system, a primary reverse osmosis system and a secondary reverse osmosis system; the pretreatment system comprises a raw water pump, a quartz sand filter, an activated carbon filter and a precision filter which are connected in sequence; the first-stage reverse osmosis system comprises a first-stage high-pressure pump and a first-stage reverse osmosis membrane assembly; the second-stage reverse osmosis system comprises a second-stage high-pressure pump and a second-stage reverse osmosis membrane component. The utility model discloses make a portable second grade pure water reverse osmosis equipment compacter reasonable, reduce area and equipment volume, improve equipment total water recovery.
Description
Technical Field
The utility model relates to a water treatment facilities especially relates to a light portable movable type second grade pure water reverse osmosis equipment.
Background
Reverse osmosis refers to a process in which a solvent (e.g., water) enters the low pressure side of a membrane through a semi-permeable membrane under a pressure higher than the osmotic pressure difference, and other components (e.g., salts) in the solution are blocked at the high pressure side of the membrane and discharged with a concentrated solution, thereby achieving effective separation. According to different osmotic pressures of various materials, a reverse osmosis pressure which is larger than the osmotic pressure, namely a reverse osmosis method, can be used for achieving the purposes of separation, extraction, purification and concentration. The reverse osmosis equipment adopts a membrane separation technology, can effectively remove charged ions, inorganic matters, colloidal particles, bacteria, organic substances and the like in water, and is the best equipment in the processes of preparing high-purity water, desalting brackish water and treating wastewater. Reverse osmosis pure water equipment is simply the equipment for producing pure water, and secondary reverse osmosis equipment is the equipment for producing pure water with higher purity. And pure water is widely used by us: the production requirements of drinking, chemical engineering, medical treatment, pharmacy, electronics, cultivation, planting, food, beverage and the like.
The main process flow of the existing secondary reverse osmosis pure water equipment is as follows: the method comprises the steps of raw water tank, raw water pump, multi-media filtration, active carbon filtration, precision filter, primary high-pressure pump, primary reverse osmosis membrane, primary pure water tank, secondary high-pressure pump, secondary reverse osmosis membrane and secondary pure water tank, and the requirement on pure water quantity is not very large (generally 1-2 m)3H) and relatively high water quality requirements, under the condition of the limitation of the existing production environment, if the occupied area of the secondary pure water reverse osmosis equipment is too large and the intermediate water tank is too much, the secondary pure water reverse osmosis equipment is difficult to be suitable for the enterprises of the type. In addition, the total water recovery rate of the conventional secondary pure water reverse osmosis equipment is low.
SUMMERY OF THE UTILITY MODEL
The utility model is directed to above problem, a portable second grade pure water reverse osmosis equipment is proposed, adopt raw water pump + quartzite to filter + active carbon and filter + precision filter + one-level high-pressure pump + one-level reverse osmosis membrane + second grade high-pressure pump + second grade reverse osmosis membrane technical process, water tank in the middle of the cancellation, the operation design theory of direct linkage operation, reduce area and the volume of equipment, adopt the height, low pressure controller control system water pump linkage operation, adopt the design backward flow technology that the concentrated water of second grade flows back to the first grade high-pressure pump, increase total water recovery rate, increase reverse osmosis membrane cleaning process simultaneously, improve reverse osmosis membrane life.
The technical scheme of the utility model is that: comprises a pretreatment system, a primary reverse osmosis system and a secondary reverse osmosis system;
the pretreatment system comprises a raw water pump 1, a quartz sand filter 2, an activated carbon filter 3 and a precision filter 4 which are connected in sequence; a water inlet of the raw water pump 1 is connected with a raw water source;
the first-stage reverse osmosis system comprises a first-stage high-pressure pump 5 and a first-stage reverse osmosis membrane assembly 10; the primary high-pressure pump 5 is connected between the precision filter 4 and the primary reverse osmosis membrane assembly 10;
the secondary reverse osmosis system comprises a secondary high-pressure pump 6 and a secondary reverse osmosis membrane component 9; the second-stage high-pressure pump 6 is connected between the first-stage reverse osmosis membrane component 10 and the second-stage reverse osmosis membrane component 9; and the water producing port of the second-stage reverse osmosis membrane component 9 is connected with a second-stage pure water tank.
The secondary pure water reverse osmosis equipment also comprises a support 12, wherein four bottom feet which are respectively arranged on four vertex angles of the support 12 are fixedly connected to the bottom surface of the support 12; the bracket 12 is sequentially divided into a pipeline area, a reverse osmosis area and a pretreatment area from front to back;
the quartz sand filter 2, the activated carbon filter 3 and the precision filter 4 are all vertically arranged and are fixedly connected in a pretreatment area of the bracket 12;
the first-stage reverse osmosis membrane module 10 is three, the second-stage reverse osmosis membrane module 9 is two, two the second-stage reverse osmosis membrane module 9 is three, the first-stage reverse osmosis membrane module 10 is horizontally arranged, and is arranged from top to bottom in sequence, the second-stage reverse osmosis membrane module 9 is three, and the first-stage reverse osmosis membrane module 10 is fixedly connected in the reverse osmosis area of the support 12.
A low-voltage switch 38 is arranged on a pipeline connected with the water inlet of the raw water pump 1;
the top of the quartz sand filter 2 is provided with a sand filtering multi-way valve 15;
a water inlet of the sand filtration multi-way valve 15 is communicated with the raw water pump 1 through a pipeline, and a raw water ball valve 13 and a raw water one-way valve 14 are arranged on the pipeline;
the water production port of the sand filtration multi-way valve 15 is connected with the activated carbon filter 3 through a pipeline, and the discharge port of the sand filtration multi-way valve 15 is connected with a drainage pipeline;
a carbon filtration multi-way valve 16 is arranged at the top of the activated carbon filter 3, a water inlet of the carbon filtration multi-way valve 16 is connected with a water production port of the sand filtration multi-way valve 15 through a pipeline, a water production port of the carbon filtration multi-way valve 16 is connected with the precision filter 4 through a pipeline, and a discharge port of the carbon filtration multi-way valve 16 is connected with a drainage pipeline;
the precision filter 4 has three, three the water inlet of precision filter 4 all through the pipeline with the water production mouth of charcoal straining multiple unit valve 16 is connected, three the water production mouth of precision filter 4 all through the pipeline with the water inlet of first-level high-pressure pump 5 is connected.
The first-stage reverse osmosis system comprises the first-stage high-pressure pump 5, a first-stage one-way valve 18, a first-stage stop valve 19, a first-stage high-pressure switch 31, a first-stage water production ball valve 22, a first-stage concentrated water stop valve 23, a first-stage water production flow meter 27, a first-stage concentrated water flow meter 28, a first-stage conductivity meter 35, three first-stage reverse osmosis membrane modules 10 and three first-stage sampling valves 36;
the water inlet of the primary high-pressure pump 5 is connected with the water production port of the precision filter 4 through a pipeline, the water inlet of the primary high-pressure pump 5 is also connected with the concentrated water port of the secondary reverse osmosis membrane assembly 9 through a pipeline, a secondary concentrated water stop valve 24, a secondary concentrated water flowmeter 29 and a secondary concentrated water check valve 26 are installed on the pipeline between the water inlet of the primary high-pressure pump 5 and the concentrated water port of the secondary reverse osmosis membrane assembly 9, and the water outlet of the primary high-pressure pump 5 is connected with the water inlet of the first primary reverse osmosis membrane assembly through a pipeline;
the first-stage check valve 18, the first-stage stop valve 19 and the first-stage high-pressure switch 31 are arranged on a pipeline between the water outlet of the first-stage high-pressure pump 5 and the water inlet of the first branch first-stage reverse osmosis membrane module;
the primary reverse osmosis membrane assembly 10 is provided with three, and the three primary reverse osmosis membrane assemblies 10 are arranged on the bracket in parallel and horizontally; each first-stage reverse osmosis membrane component is provided with a water inlet, two water producing ports and a concentrated water port;
the water inlet of the first-stage reverse osmosis membrane component is connected with the water production port of the first-stage high-pressure pump 5 through a pipeline; the concentrated water port of the first-stage reverse osmosis membrane component is connected with the water inlet of the second-stage reverse osmosis membrane component through a pipeline, the concentrated water port of the second-stage reverse osmosis membrane component is connected with the water inlet of the third-stage reverse osmosis membrane component through a pipeline, the concentrated water port of the third-stage reverse osmosis membrane component is provided with a tee joint, one interface of the tee joint is connected with a drainage pipeline through a pipeline, and the other interface of the tee joint is connected with a cleaning backflow quick-connection butterfly valve through a pipeline;
three water producing ports at the same end in the three primary reverse osmosis membrane modules are connected in parallel through pipelines, and primary sampling valves 36 are respectively arranged on the three water producing ports at the other end;
the water producing ports of the three first-stage reverse osmosis membrane modules are connected in parallel and then are connected to the water inlet of the second-stage high-pressure pump 6 through a pipeline, and the pipeline is provided with a first-stage conductivity meter 35, a first-stage water producing ball valve 22 and a first-stage water producing flow meter 27;
the first-stage concentrated water stop valve 23 and the first-stage concentrated water flowmeter 28 are arranged on a pipeline between a concentrated water port and a drainage pipeline of the third first-stage reverse osmosis membrane module.
The second-stage reverse osmosis system comprises the second-stage high-pressure pump 6, a second-stage check valve 21, a second-stage stop valve 20, a second-stage high-pressure switch 32, a second-stage water production ball valve 25, a second-stage water production flow meter 30, a second-stage concentrated water stop valve 24, a second-stage concentrated water check valve 26, a second-stage concentrated water flow meter 29, a second-stage conductivity meter 34, a second-stage concentrated water electromagnetic valve 33, two second-stage reverse osmosis membrane components 9 and two second-stage sampling valves 37;
the second-stage high-pressure pump 6 is arranged on the bracket, a water inlet of the second-stage high-pressure pump 6 is connected with a water production port of the first-stage reverse osmosis membrane component 10 through a pipeline, and a water outlet of the second-stage high-pressure pump 6 is connected with a water inlet of the first second-stage reverse osmosis membrane component through a pipeline;
the second-stage check valve 21, the second-stage stop valve 20 and the second-stage high-pressure switch 32 are arranged on a pipeline between the water outlet of the second-stage high-pressure pump 6 and the water inlet of the first second-stage reverse osmosis membrane component;
two secondary reverse osmosis membrane components 9 are arranged, and the two secondary reverse osmosis membrane components 9 are arranged on the bracket in parallel and horizontally; each secondary reverse osmosis membrane component is provided with a water inlet, two water producing ports and a concentrated water port; the water inlet of the first secondary reverse osmosis membrane component is connected with the water production port of the second-stage high-pressure pump through a pipeline; the concentrated water port of the first secondary reverse osmosis membrane component is connected with the water inlet of the second primary reverse osmosis membrane component through a pipeline, the concentrated water port of the second secondary reverse osmosis membrane component is provided with a tee joint, one interface of the tee joint is connected with a drainage pipeline through a pipeline, and the other interface of the tee joint is connected with the primary high-pressure pump through a pipeline;
the second concentrated water electromagnetic valve 33 is arranged on a pipeline between a concentrated water port and a drainage pipeline of the second reverse osmosis membrane component;
two water producing ports at the same end of the two parallel and horizontal secondary reverse osmosis membrane components are connected in parallel through a pipeline, and two water producing ports at the other end are respectively provided with a secondary sampling valve 37;
the water producing ports of the two second-stage reverse osmosis membrane modules are connected in parallel and then are connected to a second-stage pure water tank through a pipeline, and the pipeline is provided with the second-stage conductivity meter 34, the second-stage water producing ball valve 25 and the second-stage water producing flow meter 30;
the second-stage concentrated water stop valve 24, the second-stage concentrated water flowmeter 29 and the second-stage concentrated water check valve 26 are arranged on a connecting pipeline between a concentrated water inlet of the second reverse osmosis membrane component and a water inlet of the first-stage high-pressure pump.
The second-stage pure water reverse osmosis equipment further comprises a cleaning system, wherein the cleaning system comprises a cleaning pump 7 and a security filter 8, a water inlet of the cleaning pump 7 is connected with a cleaning box through a pipeline, a water outlet of the cleaning pump 7 is connected with a water inlet of the security filter 8, a water production port of the security filter 8 is connected with a water inlet of the first-stage reverse osmosis membrane assembly 10 through a pipeline, and a thick water port of the third-stage reverse osmosis membrane assembly 10 is connected with a drainage pipeline through a cleaning backflow quick-connection butterfly valve 39.
The utility model discloses a through technology and design optimization, make a portable second grade pure water reverse osmosis equipment compacter reasonable, reduce area and equipment volume, be rich in the aesthetic feeling, improve equipment total water recovery rate increases reverse osmosis membrane cleaning process simultaneously, improves reverse osmosis membrane life.
Drawings
FIG. 1 is a schematic structural diagram of the present application,
figure 2 is a rear view of figure 1,
figure 3 is a top view of figure 1,
figure 4 is a left side view of figure 1,
figure 5 is a right side view of figure 1,
FIG. 6 is a working schematic diagram of the present case;
in the figure, 1 is a raw water pump, 2 is a quartz sand filter, 3 is an activated carbon filter, 4 is a precision filter, 5 is a primary high-pressure pump, 6 is a secondary high-pressure pump, 7 is a cleaning pump, 8 is a security filter, 9 is a secondary reverse osmosis membrane component, 10 is a primary reverse osmosis membrane component, 11 is an electric control cabinet, 12 is a bracket, 13 is a raw water ball valve, 14 is a raw water check valve, 15 is a sand filtration multi-way valve, 16 is a carbon filtration multi-way valve, 17 is a cleaning check valve, 18 is a primary check valve, 19 is a primary stop valve, 20 is a secondary stop valve, 21 is a secondary check valve, 22 is a primary water production ball valve, 23 is a primary concentrated water stop valve, 24 is a secondary concentrated water stop valve, 25 is a secondary water production ball valve, 26 is a secondary concentrated water check valve, 27 is a primary water production flow meter, 28 is a primary concentrated water flow meter, 29 is a secondary concentrated water flow meter, 30 is a secondary water production flow meter, 31, 32 is a two-stage high-pressure switch, 33 is a two-stage concentrated water electromagnetic valve, 34 is a two-stage conductivity meter, 35 is a one-stage conductivity meter, 36 is a one-stage sampling valve, 37 is a two-stage sampling valve, 38 is a low-pressure switch, and 39 is a cleaning backflow quick-connection butterfly valve.
Detailed Description
In order to clearly explain the technical features of the present patent, the following detailed description of the present patent is provided in conjunction with the accompanying drawings.
The utility model is shown in figures 1-6 and comprises a pretreatment system, a primary reverse osmosis system and a secondary reverse osmosis system;
the pretreatment system comprises a raw water pump 1, a quartz sand filter 2, an activated carbon filter 3 and a precision filter 4 which are connected in sequence; a water inlet of the raw water pump 1 is connected with a raw water source (such as a raw water tank);
the first-stage reverse osmosis system comprises a first-stage high-pressure pump 5 and a first-stage reverse osmosis membrane assembly 10; the primary high-pressure pump 5 is connected between the precision filter 4 and the primary reverse osmosis membrane assembly 10;
the secondary reverse osmosis system comprises a secondary high-pressure pump 6 and a secondary reverse osmosis membrane component 9; the second-stage high-pressure pump 6 is connected between the first-stage reverse osmosis membrane component 10 and the second-stage reverse osmosis membrane component 9; and the water producing port of the second-stage reverse osmosis membrane component 9 is connected with a second-stage pure water tank.
The secondary pure water reverse osmosis equipment also comprises a support 12, wherein four bottom feet which are respectively arranged on four vertex angles of the support 12 are fixedly connected to the bottom surface of the support 12; the movement and the transportation are convenient, and the movable function is realized; the bracket 12 is sequentially divided into a pipeline area, a reverse osmosis area and a pretreatment area from front to back;
the quartz sand filter 2, the activated carbon filter 3 and the precision filter 4 are all vertically arranged and are fixedly connected in a pretreatment area of the bracket 12;
the first-stage reverse osmosis membrane module 10 is three, the second-stage reverse osmosis membrane module 9 is two, two the second-stage reverse osmosis membrane module 9 is three, the first-stage reverse osmosis membrane module 10 is horizontally arranged, and is arranged from top to bottom in sequence, the second-stage reverse osmosis membrane module 9 is three, and the first-stage reverse osmosis membrane module 10 is fixedly connected in the reverse osmosis area of the support 12. Therefore, the whole structure layout is more reasonable and compact, and the required space is smaller.
A low-voltage switch 38 is arranged on a pipeline connected with the water inlet of the raw water pump 1; therefore, when the raw water pressure is too low, the raw water is lack of water or the raw water pressure is lower than the set value of the low-pressure switch 38, the control system can control the raw water pump 1 to stop running according to the low-pressure feedback signal.
A water distributor is arranged in the tank body of the quartz sand filter 2 and is filled with quartz sand filter materials with different grain diameters; the top of the quartz sand filter 2 is provided with a sand filtering multi-way valve 15;
a water inlet of the sand filtration multi-way valve 15 is communicated with the raw water pump 1 through a pipeline, and a raw water ball valve 13 and a raw water one-way valve 14 are arranged on the pipeline;
the water production port of the sand filtration multi-way valve 15 is connected with the activated carbon filter 3 through a pipeline, and the discharge port of the sand filtration multi-way valve 15 is connected and communicated with a drainage pipeline;
a water distributor is arranged in the tank body of the activated carbon filter 3 and filled with activated carbon filter materials; a carbon filtration multi-way valve 16 is arranged at the top of the activated carbon filter 3, a water inlet of the carbon filtration multi-way valve 16 is connected and communicated with a water production port of the sand filtration multi-way valve 15 through a pipeline, the water production port of the carbon filtration multi-way valve 16 is connected and communicated with the precision filter 4 through a pipeline, and a discharge port of the carbon filtration multi-way valve 16 is connected with a drainage pipeline;
precision filter 4 has three, the cotton filter core of PP is equipped with to precision filter 4 inside, three precision filter 4's water inlet all through the pipeline with the water production mouth of charcoal straining multi-way valve 16 is connected, three precision filter 4's water production mouth all through the pipeline with the water inlet of first-level high-pressure pump 5 is connected.
The first-stage reverse osmosis system comprises the first-stage high-pressure pump 5, a first-stage one-way valve 18, a first-stage stop valve 19, a first-stage high-pressure switch 31, a first-stage water production ball valve 22, a first-stage concentrated water stop valve 23, a first-stage water production flow meter 27, a first-stage concentrated water flow meter 28, a first-stage conductivity meter 35, three first-stage reverse osmosis membrane modules 10 and three first-stage sampling valves 36;
the water inlet of the primary high-pressure pump 5 is connected with the water production port of the precision filter 4 through a pipeline, the water inlet of the primary high-pressure pump 5 is also connected with the concentrated water port of the secondary reverse osmosis membrane assembly 9 through a pipeline, a secondary concentrated water stop valve 24, a secondary concentrated water flowmeter 29 and a secondary concentrated water check valve 26 are installed on the pipeline between the water inlet of the primary high-pressure pump 5 and the concentrated water port of the secondary reverse osmosis membrane assembly 9, a secondary concentrated water backflow process is designed, the total water recovery rate can be improved, and the water outlet of the primary high-pressure pump 5 is connected with the water inlet of the first reverse osmosis membrane assembly through a pipeline;
the first-stage check valve 18, the first-stage stop valve 19 and the first-stage high-pressure switch 31 are arranged on a pipeline between the water outlet of the first-stage high-pressure pump 5 and the water inlet of the first branch first-stage reverse osmosis membrane module; the primary check valve 18 is used for preventing cleaning agents from entering the primary high-pressure pump 5 when the equipment is cleaned, the primary stop valve 19 can adjust the water inlet pressure and flow of the primary reverse osmosis system, and the primary high-pressure switch 31 is mainly used for preventing the damage to the system caused by overhigh operating pressure of the primary reverse osmosis system;
the primary reverse osmosis membrane assembly 10 is provided with three, and the three primary reverse osmosis membrane assemblies 10 are arranged on the bracket in parallel and horizontally; each first-stage reverse osmosis membrane component is provided with a water inlet, two water producing ports and a concentrated water port, and a plurality of reverse osmosis membrane filter elements are arranged inside the first-stage reverse osmosis membrane component;
the water inlet of the first-stage reverse osmosis membrane component is connected with the water production port of the first-stage high-pressure pump 5 through a pipeline and is connected with the water production port of the cartridge filter through a pipeline; the three first-stage reverse osmosis membrane modules 10 adopt a series connection mode for water inlet and a parallel connection mode for water production, and specifically: the concentrated water port of the first-stage reverse osmosis membrane component is connected with the water inlet of the second-stage reverse osmosis membrane component through a pipeline, the concentrated water port of the second-stage reverse osmosis membrane component is connected with the water inlet of the third-stage reverse osmosis membrane component through a pipeline, the concentrated water port of the third-stage reverse osmosis membrane component is provided with a tee joint, one interface of the tee joint is connected with a drainage pipeline through a pipeline, and the other interface of the tee joint is connected with a cleaning backflow quick-connection butterfly valve through a pipeline;
three water producing ports at the same end in the three primary reverse osmosis membrane modules are connected in parallel through pipelines, and primary sampling valves 36 are respectively arranged on the three water producing ports at the other end;
the water producing ports of the three first-stage reverse osmosis membrane modules are connected in parallel and then are connected to the water inlet of the second-stage high-pressure pump 6 through a pipeline, and the pipeline is provided with a first-stage conductivity meter 35, a first-stage water producing ball valve 22 and a first-stage water producing flow meter 27; the first-level conductivity meter 35 is used for detecting the conductivity of the first-level reverse osmosis produced water. The primary water production flow meter 27 is used for detecting the primary reverse osmosis water production flow;
the first-stage concentrated water stop valve 23 and the first-stage concentrated water flowmeter 28 are arranged on a pipeline between a concentrated water port and a drainage pipeline of the third first-stage reverse osmosis membrane module. The first-stage concentrated water stop valve 23 is used for adjusting the proportion of first-stage reverse osmosis produced water to first-stage reverse osmosis concentrated water. The first-stage concentrated water flowmeter is used for detecting the first-stage reverse osmosis concentrated water flow.
The second-stage reverse osmosis system comprises the second-stage high-pressure pump 6, a second-stage check valve 21, a second-stage stop valve 20, a second-stage high-pressure switch 32, a second-stage water production ball valve 25, a second-stage water production flow meter 30, a second-stage concentrated water stop valve 24, a second-stage concentrated water check valve 26, a second-stage concentrated water flow meter 29, a second-stage conductivity meter 34, a second-stage concentrated water electromagnetic valve 33, two second-stage reverse osmosis membrane components 9 and two second-stage sampling valves 37;
the second-stage high-pressure pump 6 is arranged on the bracket, a water inlet of the second-stage high-pressure pump 6 is connected with a water production port of the first-stage reverse osmosis membrane component 10 through a pipeline, and a water outlet of the second-stage high-pressure pump 6 is connected with a water inlet of the first second-stage reverse osmosis membrane component through a pipeline;
the second-stage check valve 21, the second-stage stop valve 20 and the second-stage high-pressure switch 32 are arranged on a pipeline between the water outlet of the second-stage high-pressure pump 6 and the water inlet of the first second-stage reverse osmosis membrane component; the secondary check valve is used for preventing inflow water from flowing back, the secondary stop valve can adjust the inflow water pressure and the inflow water flow of the secondary reverse osmosis system, and the secondary high-voltage switch is mainly used for preventing the damage of the secondary reverse osmosis system caused by overhigh operating pressure;
two secondary reverse osmosis membrane components 9 are arranged, and the two secondary reverse osmosis membrane components 9 are arranged on the bracket in parallel and horizontally; each second-stage reverse osmosis membrane component is provided with a water inlet, two water producing ports and a concentrated water port, and a plurality of reverse osmosis membrane filter elements are arranged inside the second-stage reverse osmosis membrane component; the water inlet of the first secondary reverse osmosis membrane component is connected with the water production port of the second-stage high-pressure pump through a pipeline; two one-level reverse osmosis membrane subassembly is intake and is adopted the series connection mode, is produced water and adopts the parallel mode, specifically: the concentrated water port of the first secondary reverse osmosis membrane component is connected with the water inlet of the second primary reverse osmosis membrane component through a pipeline, the concentrated water port of the second secondary reverse osmosis membrane component is provided with a tee joint, one interface of the tee joint is connected with a drainage pipeline through a pipeline, and the other interface of the tee joint is connected with the primary high-pressure pump through a pipeline;
the second concentrated water electromagnetic valve 33 is arranged on a pipeline between a concentrated water port and a drainage pipeline of the second reverse osmosis membrane component;
two water producing ports at the same end of the two parallel and horizontal secondary reverse osmosis membrane components are connected in parallel through a pipeline, and two water producing ports at the other end are respectively provided with a secondary sampling valve 37;
the water producing ports of the two second-stage reverse osmosis membrane modules are connected in parallel and then are connected to a second-stage pure water tank through a pipeline, and the pipeline is provided with the second-stage conductivity meter 34, the second-stage water producing ball valve 25 and the second-stage water producing flow meter 30; the second-stage conductivity meter is used for detecting the conductivity of the second-stage reverse osmosis produced water; the secondary water production flow meter is used for detecting the flow of secondary reverse osmosis water production;
the second-stage concentrated water stop valve 24, the second-stage concentrated water flowmeter 29 and the second-stage concentrated water check valve 26 are arranged on a connecting pipeline between a concentrated water inlet of the second reverse osmosis membrane component and a water inlet of the first-stage high-pressure pump. And the second-stage concentrated water stop valve is used for adjusting the proportion of the second-stage reverse osmosis produced water to the second-stage reverse osmosis concentrated water. The second-stage concentrated water flowmeter is used for detecting the second-stage reverse osmosis concentrated water flow. The secondary concentrated water one-way valve is used for preventing water produced by the precision filter from entering the secondary concentrated water flowmeter;
the second-stage concentrated water electromagnetic valve 33 is installed on a pipeline connecting the drainage pipeline and the second-stage concentrated water pipeline, and can be opened to directly discharge the concentrated water if the concentrated water does not need to flow back to the first-stage high-pressure pump.
Second grade pure water reverse osmosis equipment still includes cleaning system, cleaning system includes scavenging pump 7, safety filter 8, the water inlet of scavenging pump 7 passes through the pipeline and washs the case and be connected, the delivery port of scavenging pump 7 passes through the pipeline (install on this pipeline and wash check valve 17, wash check valve 17 and be used for preventing the water entering cleaning system of 5 delivery ports of first-level high-pressure pump) with safety filter 8's water inlet is connected, the cotton filter core of PP is equipped with to safety filter inside, safety filter 8's the product water mouth passes through pipeline and first branch the water inlet of one-level reverse osmosis membrane subassembly 10 is connected, and the third is the dense mouth of a river of one-level reverse osmosis membrane subassembly 10 through wasing backward flow butterfly valve and meet 39 soon and connect drainage pipe.
The control system comprises an electric control cabinet 11, an electric appliance, an instrument and the like, wherein the electric control cabinet 11 is arranged on a support 12, and the electric appliance, the instrument and the like are arranged in the electric control cabinet.
The present invention has many specific implementation ways, and the above description is only the preferred embodiment of the present invention, it should be noted that, for those skilled in the art, a plurality of improvements can be made without departing from the principles of the present invention, and these improvements should also be regarded as the protection scope of the present invention.
Claims (5)
1. The secondary pure water reverse osmosis equipment is characterized by comprising a pretreatment system, a primary reverse osmosis system and a secondary reverse osmosis system;
the pretreatment system comprises a raw water pump (1), a quartz sand filter (2), an activated carbon filter (3) and a precision filter (4) which are connected in sequence; a water inlet of the raw water pump (1) is connected with a raw water source;
the primary reverse osmosis system comprises a primary high-pressure pump (5) and a primary reverse osmosis membrane component (10); the first-stage high-pressure pump (5) is connected between the precision filter (4) and the first-stage reverse osmosis membrane component (10);
the second-stage reverse osmosis system comprises a second-stage high-pressure pump (6) and a second-stage reverse osmosis membrane component (9); the second-stage high-pressure pump (6) is connected between the first-stage reverse osmosis membrane assembly (10) and the second-stage reverse osmosis membrane assembly (9); and the water producing port of the second-stage reverse osmosis membrane component (9) is connected with the second-stage pure water tank.
2. The secondary pure water reverse osmosis apparatus according to claim 1, further comprising a bracket (12), wherein four feet are fixedly connected to the bottom surface of the bracket (12) and respectively arranged on four top corners of the bracket; the bracket (12) is sequentially divided into a pipeline area, a reverse osmosis area and a pretreatment area from front to back;
the quartz sand filter (2), the activated carbon filter (3) and the precision filter (4) are all vertically arranged and fixedly connected in a pretreatment area of the bracket (12);
the number of the first-stage reverse osmosis membrane assemblies (10) is three, the number of the second-stage reverse osmosis membrane assemblies (9) is two, the second-stage reverse osmosis membrane assemblies (9) and the three first-stage reverse osmosis membrane assemblies (10) are horizontally arranged and are sequentially arranged from top to bottom, and the second-stage reverse osmosis membrane assemblies (9) and the three first-stage reverse osmosis membrane assemblies (10) are fixedly connected in a reverse osmosis area of the support (12).
3. A secondary pure water reverse osmosis apparatus according to claim 1, wherein a low pressure switch (38) is provided on a pipe connected to the water inlet of the raw water pump (1);
a sand filtration multi-way valve (15) is arranged at the top of the quartz sand filter (2);
a water inlet of the sand filtration multi-way valve (15) is communicated with the raw water pump (1) through a pipeline, and a raw water ball valve (13) and a raw water one-way valve (14) are arranged on the pipeline;
the water production port of the sand filtration multi-way valve (15) is connected with the activated carbon filter (3) through a pipeline, and the discharge port of the sand filtration multi-way valve (15) is connected with a drainage pipeline;
a carbon filtration multi-way valve (16) is arranged at the top of the activated carbon filter (3), a water inlet of the carbon filtration multi-way valve (16) is connected with a water production port of the sand filtration multi-way valve (15) through a pipeline, the water production port of the carbon filtration multi-way valve (16) is connected with the precision filter (4) through a pipeline, and a discharge port of the carbon filtration multi-way valve (16) is connected with a drainage pipeline;
the precise filter (4) is provided with three precise filters, the water inlets of the precise filters (4) are connected with the water producing port of the carbon filter multi-way valve (16) through pipelines, and the water producing ports of the precise filters (4) are connected with the water inlet of the first-level high-pressure pump (5) through pipelines.
4. The secondary pure water reverse osmosis apparatus according to claim 1, wherein the primary reverse osmosis system comprises the primary high pressure pump (5), a primary check valve (18), a primary stop valve (19), a primary high pressure switch (31), a primary water production ball valve (22), a primary concentrate stop valve (23), a primary water production flow meter (27), a primary concentrate flow meter (28), a primary conductivity meter (35), three primary reverse osmosis membrane modules (10), and three primary sampling valves (36);
a water inlet of the primary high-pressure pump (5) is connected with a water production port of the precision filter (4) through a pipeline, a water inlet of the primary high-pressure pump (5) is further connected with a concentrated water port of the secondary reverse osmosis membrane assembly (9) through a pipeline, a secondary concentrated water stop valve (24), a secondary concentrated water flowmeter (29) and a secondary concentrated water one-way valve (26) are installed on the pipeline between the water inlet of the primary high-pressure pump (5) and the concentrated water port of the secondary reverse osmosis membrane assembly (9), and a water outlet of the primary high-pressure pump (5) is connected with a water inlet of the first primary reverse osmosis membrane assembly through a pipeline;
the primary check valve (18), the primary stop valve (19) and the primary high-pressure switch (31) are arranged on a pipeline between the water outlet of the primary high-pressure pump (5) and the water inlet of the first primary reverse osmosis membrane component;
the first-stage reverse osmosis membrane modules (10) are provided with three, and the three first-stage reverse osmosis membrane modules (10) are arranged on the bracket in parallel and horizontally; each first-stage reverse osmosis membrane component is provided with a water inlet, two water producing ports and a concentrated water port;
the water inlet of the first-stage reverse osmosis membrane component is connected with the water production port of the first-stage high-pressure pump (5) through a pipeline; the concentrated water port of the first-stage reverse osmosis membrane component is connected with the water inlet of the second-stage reverse osmosis membrane component through a pipeline, the concentrated water port of the second-stage reverse osmosis membrane component is connected with the water inlet of the third-stage reverse osmosis membrane component through a pipeline, the concentrated water port of the third-stage reverse osmosis membrane component is provided with a tee joint, one interface of the tee joint is connected with a drainage pipeline through a pipeline, and the other interface of the tee joint is connected with a cleaning backflow quick-connection butterfly valve through a pipeline;
three water producing ports at the same end in the three primary reverse osmosis membrane modules are connected in parallel through pipelines, and primary sampling valves (36) are respectively arranged on the three water producing ports at the other end;
the water producing ports of the three first-stage reverse osmosis membrane modules are connected in parallel and then connected to the water inlet of the second-stage high-pressure pump (6) through a pipeline, and the pipeline is provided with a first-stage conductivity meter (35), a first-stage water producing ball valve (22) and a first-stage water producing flow meter (27);
the first-stage concentrated water stop valve (23) and the first-stage concentrated water flowmeter (28) are arranged on a pipeline between a concentrated water port and a drainage pipeline of the third first-stage reverse osmosis membrane component.
5. The secondary pure water reverse osmosis device according to claim 1, further comprising a cleaning system, wherein the cleaning system comprises a cleaning pump (7) and a cartridge filter (8), a water inlet of the cleaning pump (7) is connected with a cleaning tank through a pipeline, a water outlet of the cleaning pump (7) is connected with a water inlet of the cartridge filter (8), a water production port of the cartridge filter (8) is connected with a water inlet of the first primary reverse osmosis membrane assembly (10) through a pipeline, and a water concentration port of the third primary reverse osmosis membrane assembly (10) is connected with a water drainage pipeline through a cleaning backflow quick connection butterfly valve (39).
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| CN202020579212.0U CN212504258U (en) | 2020-04-17 | 2020-04-17 | Secondary pure water reverse osmosis equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264600A (en) * | 2021-05-27 | 2021-08-17 | 上海应用技术大学 | Pure water system for coating cleaning equipment |
| WO2022197268A1 (en) * | 2021-03-16 | 2022-09-22 | Artaş Endüstri̇yel Tesi̇sler Taahhüt Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Mobile demineralized water production plant |
| JP7558591B1 (en) | 2023-11-02 | 2024-10-01 | 環水工房有限会社 | Membrane module and membrane filtration device |
-
2020
- 2020-04-17 CN CN202020579212.0U patent/CN212504258U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022197268A1 (en) * | 2021-03-16 | 2022-09-22 | Artaş Endüstri̇yel Tesi̇sler Taahhüt Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Mobile demineralized water production plant |
| CN113264600A (en) * | 2021-05-27 | 2021-08-17 | 上海应用技术大学 | Pure water system for coating cleaning equipment |
| JP7558591B1 (en) | 2023-11-02 | 2024-10-01 | 環水工房有限会社 | Membrane module and membrane filtration device |
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