CN216472645U

CN216472645U - Soaking type full-automatic regeneration soft water preparation system

Info

Publication number: CN216472645U
Application number: CN202122951899.3U
Authority: CN
Inventors: 李志茂; 谭声德
Original assignee: Foshan Sino Environmental Protection Technology Co ltd
Current assignee: Foshan Sino Environmental Protection Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-10
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a soaking type full-automatic regeneration soft water preparation system, which belongs to the technical field of water treatment and comprises a raw water tank, an ultrapure water tank, and a raw water treatment device, a reverse osmosis device and an EDI device which are sequentially arranged between the raw water tank and the ultrapure water tank, wherein the raw water treatment device comprises a quartz sand filter, an activated carbon filter and a cation resin filter, the cation resin filter is communicated with a salt water suction pump, the salt water suction pump is connected with a salt tank, salt is arranged in the salt tank, the top of the salt tank is communicated with a tap water replenishing pipe, the reverse osmosis device comprises a first-level high-pressure pump, a first-level reverse osmosis device and a cleaning component, and the EDI device comprises an EDI pump, a precise filter and a plurality of EDI systems which are sequentially connected. The raw water treatment device, the reverse osmosis device and the EDI device can produce ultrapure water conforming to the medicine; water is injected into the salt box through the tap water replenishing pipe, after salt is soaked, the salt is pumped into the cation resin filter through the salt suction pump to regenerate cation resin, so that the salt consumption is saved, and more energy is saved.

Description

Soaking type full-automatic regeneration soft water preparation system

Technical Field

The utility model relates to the technical field of water treatment, in particular to an immersion type full-automatic regeneration soft water preparation system.

Background

A pure water system generally refers to a type of device that achieves the purpose of purifying water through various water treatment processes and water quality monitoring systems. Common impurities in natural water include soluble inorganic substances, organic substances, particulate matters, microorganisms, soluble gases and the like.

The softening resin filter applied to a pure water regeneration system softens source water, mainly aims to enable cation resin to adsorb calcium and magnesium ions (forming main components of scale) in water, reduces the hardness of the source water, can perform intelligent resin regeneration and can be recycled, and is mainly used for softening and desalting, electronic descaling instruments, filtering and separating, boiler softening, industrial softening equipment, food softening equipment, household tap water softening and the like. Cation resin in the softened resin filter is regenerated by strong brine, in the prior art, salt is placed in a gap between the salt tank and the resin tank, and an overflowing salt adding mode is adopted for regeneration, so that the salt dosage and the water dosage are large, energy is not saved enough, and on the other hand, a pure water preparation system in the prior art is simple in step and single in layer, is difficult to effectively remove impurities in water, and is difficult to ensure the quality of water.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides an immersion type full-automatic regeneration soft water preparation system.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a full-automatic soft water preparation system that regenerates of formula of soaking, includes former water tank and ultrapure water case, its characterized in that: the raw water treatment device comprises a quartz sand filter, an active carbon filter and an anode resin filter which are sequentially connected through a pipeline, water in the raw water tank is connected with the quartz sand filter through a raw water pump, the anode resin filter is communicated with a salt suction pump, the salt suction pump is connected with a salt tank, salt is arranged in the salt tank, the top of the salt tank is communicated with a tap water replenishing pipe, the salt tank is filled with water through the tap water replenishing pipe, after being soaked, the salt is regenerated by the cation resin pump into the anode resin filter, the raw water treatment device also comprises a raw water security filter, the raw water security filter is positioned at the front end of the reverse osmosis device, the reverse osmosis device comprises a first-level high-pressure pump, a first-level reverse osmosis device and a cleaning component for cleaning reverse osmosis membrane elements, the EDI device is including the EDI pump, precision filter and a plurality of sets of EDI system that connect gradually, and a plurality of sets of EDI system converge and be connected with the ultrapure water case.

In one embodiment, the raw water treatment device further comprises a flocculant dosing device, and the flocculant dosing device is communicated with a water outlet of the raw water pump.

In one embodiment, the tap water replenishing pipe is provided with an electric ball valve, a butterfly valve is arranged between the outlet of the salt tank and the salt water suction pump, and the output end of the salt water suction pump is connected with a one-way valve.

In one embodiment, the raw water security filter is connected with the primary high-pressure pump, and an ORP detection device is arranged at the front end of the raw water security filter and used for giving a comprehensive index to the oxidation-reduction state of the whole system.

In one embodiment, the first stage reverse osmosis unit has a plurality of sets of reverse osmosis membrane elements, and the reverse osmosis unit further comprises an RO water tank and an RO concentrate tank.

In one embodiment, the cleaning assembly comprises a cleaning water tank, a cleaning water pump and a cleaning cartridge filter which are sequentially connected through a pipeline and used for cleaning a plurality of groups of reverse osmosis membrane elements.

In one embodiment, the ultrapure water tank is connected to a water consumption point through an ultrapure water pump, so that the ultrapure water tank is convenient for a user to use.

The utility model has the beneficial effects that: harmful substances such as particles, organic impurities, heavy metal ions and the like in water and dissolved salts can be removed through the raw water treatment device, the reverse osmosis device and the EDI device, so that high desalination rate is achieved, and the ultrapure water meets the requirement for medicinal use; water is injected into the salt box through the tap water replenishing pipe, after salt is soaked, the salt is pumped into the cation resin filter through the salt suction pump to regenerate cation resin, so that the salt consumption is saved, and more energy is saved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the water flow direction in an embodiment of the present invention;

FIG. 3 is a schematic view of the raw water treatment apparatus at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 3;

FIG. 5 is a schematic structural diagram of a reverse osmosis device at C in FIG. 2;

fig. 6 is a schematic view of the structure of the EDI device at D in fig. 2.

In the figure:

1. a raw water tank;

2. an ultra pure water tank;

3. a raw water treatment device 31, a raw water pump 32, a quartz sand filter 33, an activated carbon filter 34, a cation resin filter 341, a brine suction pump 342, a salt tank 343, a tap water replenishing pipe 344, an electric ball valve 345, a butterfly valve 346, a one-way valve 35 and a raw water security filter;

4. the system comprises a reverse osmosis device 41, a primary high-pressure pump 42, a primary reverse osmosis device 43, an RO water tank 44, an RO concentrated water tank 45, a cleaning water tank 46, a cleaning water pump 47 and a cleaning cartridge filter;

5. EDI device, 51, EDI pump, 52, precision filter, 53, EDI system;

6. a flocculating agent dosing device;

7. an ORP detection device;

8. an ultrapure water pump;

9. and (4) dropping with water.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-6, the present invention provides an immersion type fully automatic regenerated soft water preparation system, which comprises a raw water tank 1 and an ultrapure water tank 2, wherein a raw water treatment device 3, a reverse osmosis device 4 and an EDI device 5 are sequentially disposed between the raw water tank 1 and the ultrapure water tank 2, the raw water treatment device 3 comprises a quartz sand filter 32, an activated carbon filter 33 and a cation resin filter 34 which are sequentially connected through a pipeline, water in the raw water tank 1 is connected with the quartz sand filter 32 through a raw water pump 31, the cation resin filter 34 is communicated with a salt absorption pump 341, the salt absorption pump 341 is connected with a salt tank 342, salt is disposed in the salt tank 342, the top of the salt tank 342 is communicated with a tap water replenishing pipe 343, water is injected into the salt tank 342 through the tap water replenishing pipe 343, after salt is immersed, cation resin regeneration is performed by the salt absorption pump 341 into the cation resin filter 34, the raw water treatment device 3 further comprises a raw water safety filter 35, the raw water cartridge filter 35 is located at the front end of the reverse osmosis device 4, the reverse osmosis device 4 comprises a first-stage high-pressure pump 41, a first-stage reverse osmosis device 42 and a cleaning component for cleaning reverse osmosis membrane elements, the EDI device 5 comprises an EDI pump 51, a precision filter 52 and a plurality of sets of EDI systems 53 which are sequentially connected, and the plurality of sets of EDI systems 53 converge and are connected with the ultrapure water tank 2.

Harmful substances such as particles, organic impurities, heavy metal ions and the like in water and dissolved salts can be removed through the raw water treatment device 3, the reverse osmosis device 4 and the EDI device 5, so that high desalination rate is achieved, and the ultrapure water meets the requirement of medicinal use; the water is injected into the salt tank 342 through the tap water replenishing pipe 343, and after the salt is soaked, the salt is pumped into the cation resin filter 34 through the salt absorption water pump 341 to regenerate the cation resin, so that the salt consumption is saved, and the energy is saved.

In the embodiment of the present invention, the quartz sand filter 32 is mainly used for removing suspended matters, silt and particulate impurities in water and reducing turbidity in water. The activated carbon filter 33 has very high removal rate for free chlorine, organic matters, chromaticity and smell in water, and also has high removal rate for some heavy metal ions which are easy to deposit, the activated carbon filter 334 can play a very good protection role for reverse osmosis equipment between middle treatment devices, the cation resin filter 34, also called as a cation resin water softener, is used for improving the recovery rate of reverse osmosis RO devices and preventing carbonate, sulfate and other forms of chemical scaling from occurring at the concentrate end of the reverse osmosis membrane, particularly at the concentrate side of the last group of membrane elements in a reverse osmosis pressure container, so as to influence the performance of the membrane elements, and necessary scale inhibition treatment is carried out on the inlet water before reverse osmosis treatment. Na + contained in brine introduced into the cation resin filter 34 exchanges with Ca2+, Mg2+, Fe2+ and the like in water, so that the content of Ca2+ and Mg2+ ions in container effluent is reduced, and hard water is softened. The raw water cartridge filter 35 is used as a filtering element to prevent part of particles from being brought into the reverse osmosis device 4, so as to ensure the quality of reverse osmosis effluent.

In the embodiment of the present invention, an electric ball valve 344 is disposed on the tap water replenishing pipe 343, a butterfly valve 345 is disposed between the outlet of the salt tank 342 and the brine suction pump 341, and a check valve 346 is connected to the output end of the brine suction pump 341. The cover of the salt tank 342 is openable and salt can be added to the salt tank 342.

In the embodiment of the present invention, the raw water treatment device 3 further includes a flocculant dosing device 6, and the flocculant dosing device 6 is communicated with the water outlet of the raw water pump 31. The flocculation precipitation method is characterized in that an aqueous solution prepared from an inorganic flocculant such as aluminum sulfate and an organic anionic flocculant Polyacrylamide (PAM) is added into wastewater, so that a compressed double electric layer is generated, suspended particles in the wastewater lose stability, colloidal particles are mutually condensed to enlarge the particles, and floccules and alumen ustum are formed. After the flocculating constituent grows to a certain volume, the flocculating constituent is separated from the water phase under the action of gravity and is precipitated, so that a large amount of suspended matters in the wastewater are removed, and the effect of water treatment is achieved. The flocculant dosing device 6 is a common technical means in the field, and can be used for adding a flocculant into a water outlet pipeline of the raw water pump 31.

In the embodiment of the present invention, the first-stage reverse osmosis apparatus 42 is provided with a plurality of sets of reverse osmosis membrane elements, and the reverse osmosis apparatus 4 further includes an RO water tank 43 and an RO concentrate tank 44.

In the embodiment of the utility model, the cleaning assembly comprises a cleaning water tank 45, a cleaning water pump 46 and a cleaning cartridge filter 47 which are sequentially connected through pipelines and are used for cleaning multiple groups of reverse osmosis membrane elements.

The first-stage high-pressure pump 41 feeds the water treated by the raw water treatment device 3 into the first-stage reverse osmosis device 42, and the first-stage reverse osmosis device 42 utilizes the property that the reverse osmosis membrane selectively can only permeate the solvent, usually water, and intercept ionic substances, and takes the static pressure difference on two sides of the membrane as a driving force to overcome the osmotic pressure of the solvent, so that the solvent passes through the reverse osmosis membrane to realize the membrane process of separating liquid mixtures. The membrane separation method can remove harmful substances such as particles, colloid, organic impurities, microorganisms and the like and most dissolved salts in water, thereby achieving the aim of desalting and purifying water.

When the polluted water outlet index of the reverse osmosis device 4 can not meet the requirement, the reverse osmosis membrane needs to be cleaned to recover the efficacy.

In the embodiment of the utility model, the raw water cartridge filter 35 is connected with the primary high-pressure pump 41, the ORP detection device 7 is arranged at the front end of the raw water cartridge filter 35, and the ORP detection device 7 is directly applied in the prior art and is used for giving a comprehensive index to the oxidation-reduction state of the whole system, such as low ORP value which indicates that the content of reducing substances or organic pollutants in the wastewater treatment system is high, low dissolved oxygen concentration and dominant reduction environment, such as high ORP value which indicates that the content of organic pollutants in the wastewater is low, high dissolved oxygen or oxidizing substances concentration and dominant oxidation environment. The electric signal of ORP is used as a detection and control means, so that the accurate control level of the oxidation reduction water treatment technology can be greatly improved, and the treatment effect is improved.

In the embodiment of the utility model, the water passing through the EDI pump 51 and the ultrafilter 52 is sent into the EDI system 53, EDI electrodeionization is also called as continuous electric desalting technology, which scientifically integrates the electrodialysis technology and the ion exchange technology into a whole, and realizes the directional migration of ions in water under the action of an electric field through the selective permeation of cation and anion membranes to cation and anion and the exchange of ion exchange resin to ions in water, thereby achieving the deep purification and desalting of water.

In an embodiment of the utility model, the ultrapure water tank 2 is connected to a water consumption point 9 through an ultrapure water pump 8, which is convenient for a user to use.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. The utility model provides a full-automatic soft water preparation system that regenerates of formula of soaking, includes former water tank (1) and ultrapure water case (2), its characterized in that: the raw water treatment device comprises a raw water treatment device (3), a reverse osmosis device (4) and an EDI device (5) which are sequentially arranged between a raw water tank (1) and an ultrapure water tank (2), wherein the raw water treatment device (3) comprises a quartz sand filter (32), an activated carbon filter (33) and a cation resin filter (34) which are sequentially connected through pipelines, water in the raw water tank (1) is connected with the quartz sand filter (32) through a raw water pump (31), the cation resin filter (34) is communicated with a brine suction pump (341), the brine suction pump (341) is connected with a salt tank (342), salt is arranged in the salt tank (342), the top of the salt tank (342) is communicated with a tap water replenishing pipe (343), water is injected into the salt tank (342) through the tap water replenishing pipe (343), after the salt is soaked, the salt is pumped into the cation resin filter (34) through the brine suction pump (341) to regenerate cation resin, the raw water treatment device (3) further comprises a safety filter (35), the raw water security filter (35) is located the front end of reverse osmosis unit (4), and reverse osmosis unit (4) include one-level high-pressure pump (41), one-level reverse osmosis unit (42) and are used for going on abluent washing subassembly to the reverse osmosis membrane component, and EDI device (5) are including the EDI pump (51), precision filter (52) and a plurality of sets of EDI system (53) that connect gradually, and a plurality of sets of EDI system (53) converge and are connected with super pure water case (2).

2. The system of claim 1, wherein: the raw water treatment device (3) further comprises a flocculating agent dosing device (6), and the flocculating agent dosing device (6) is communicated with a water outlet of the raw water pump (31).

3. The system of claim 1, wherein: an electric ball valve (344) is arranged on the tap water replenishing pipe (343), a butterfly valve (345) is arranged between the outlet of the salt tank (342) and the salt water suction pump (341), and the output end of the salt water suction pump (341) is connected with a one-way valve (346).

4. The system of claim 1, wherein: the raw water security filter (35) is connected with the primary high-pressure pump (41), and an ORP detection device (7) is arranged at the front end of the raw water security filter (35).

5. The system of claim 1, wherein: the first-stage reverse osmosis device (42) is provided with a plurality of groups of reverse osmosis membrane elements, and the reverse osmosis device (4) also comprises an RO water tank (43) and an RO concentrated water tank (44).

6. The system of claim 5, wherein: the cleaning assembly comprises a cleaning water tank (45), a cleaning water pump (46) and a cleaning cartridge filter (47) which are sequentially connected through pipelines and is used for cleaning a plurality of groups of reverse osmosis membrane elements.

7. The system of claim 1, wherein: the ultrapure water tank (2) is connected to a water consumption point (9) through an ultrapure water pump (8), so that the ultrapure water tank is convenient for users to use.