CN214654224U - Purified water preparation facilities - Google Patents
Purified water preparation facilities Download PDFInfo
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- CN214654224U CN214654224U CN202120594202.9U CN202120594202U CN214654224U CN 214654224 U CN214654224 U CN 214654224U CN 202120594202 U CN202120594202 U CN 202120594202U CN 214654224 U CN214654224 U CN 214654224U
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Abstract
A purified water preparation device comprises a raw water tank, a pretreatment device, a permeation filtration device, a purification treatment device and a purified water tank; the infiltration filtering device comprises a first-stage high-pressure pump, a first-stage reverse osmosis membrane, an intermediate water tank, a second-stage high-pressure pump and a second-stage reverse osmosis membrane, wherein the first-stage high-pressure pump is connected between the pretreatment device and the first-stage reverse osmosis membrane to pressurize and convey pretreated raw water to the first-stage reverse osmosis membrane, the low-pressure side of the first-stage reverse osmosis membrane is connected with the intermediate water tank to store produced pure water to the intermediate water tank, and the second-stage high-pressure pump is connected between the intermediate water tank and the second-stage reverse osmosis membrane to pressurize and convey the pure water in the intermediate water tank to the second-stage reverse osmosis membrane; the purification treatment apparatus includes an electric desalting module and an organic carbon remover. The utility model discloses in purified water preparation facilities's the whole water circuit of producing, water pitcher buffer memory in the middle of adopting has guaranteed the continuous steady operation of whole device, still can retrieve the not up to standard purified water and reprocess, resources are saved, and guaranteed to produce the water quality.
Description
Technical Field
The utility model relates to a purified water preparation machine field, concretely relates to purified water preparation facilities.
Background
The purified water (also called deionized water or deep desalted water) is water with the conductivity less than or equal to 5.1 mu S/cm when the temperature is higher than 25 ℃, and is mainly applied to the industries of medicine, biology, chemistry and chemical industry, hospitals and the like.
Ordinary water contains various ions such as sodium ions, chloride ions and the like, and some fields in chemistry or physics need extremely pure water which cannot contain any ions, so that the ordinary water cannot meet the requirements of some chemical reactions, so that the ions in the water need to be removed through some equipment, and the obtained product is purified water.
In the process of medicine production, the production line is many and the scale is huge, and the purified water is used as the core water supply system of the pharmaceutical industry, the demand for the purified water is large, and the water quality requirement is high, so that a purified water preparation device which is stable in operation and can produce water in a large scale is urgently needed.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides a guarantee whole device continuous stable operation, and can retrieve the purification water reprocessing not up to standard, resources are saved guarantees to produce the purification water preparation facilities of water quality.
In order to achieve the above object, the utility model provides a purified water preparation facilities, including former water pitcher, preprocessing device, infiltration filter equipment, purification processing apparatus and purification water pitcher, wherein:
the pretreatment device is connected with the raw water tank to pretreat raw water output by the raw water tank;
the infiltration filtering device is arranged at the rear end of the pretreatment device and comprises a first-stage high-pressure pump, a first-stage reverse osmosis membrane, an intermediate water tank, a second-stage high-pressure pump and a second-stage reverse osmosis membrane, wherein the first-stage high-pressure pump is connected between the pretreatment device and the first-stage reverse osmosis membrane to pressurize and convey pretreated raw water to the first-stage reverse osmosis membrane, the low-pressure side of the first-stage reverse osmosis membrane is connected with the intermediate water tank to store produced pure water to the intermediate water tank, and the second-stage high-pressure pump is connected between the intermediate water tank and the second-stage reverse osmosis membrane to pressurize and convey the pure water in the intermediate water tank to the second-stage reverse osmosis membrane;
purification processing apparatus set up in the rear end of infiltration filter equipment, it includes electric desalination module and organic carbon remover, the output of electric desalination module with the low pressure side of second grade reverse osmosis membrane output pure water is connected, the last output of output purified water of electric desalination module with the organic carbon remover is connected, the product water side of organic carbon remover divide two the tunnel respectively with the purified water tank with middle water pitcher is connected and is carried the purified water of output with the selectivity the purified water tank or middle water pitcher.
As the utility model discloses a further preferred technical scheme, preprocessing device includes the raw water pump, and connect gradually in the many medium filter, activated carbon filter and the safety filter of raw water pump output, the input of raw water pump with the raw water tank is connected, the output of safety filter is connected with the input of first-level high-pressure pump.
As a further preferred technical scheme of the utility model, the raw water pump is two, two the raw water pump is parallel connection, and one is commonly used, and another is reserve between raw water tank and the many medium filter.
As a further preferred technical solution of the present invention, the high-pressure side of the primary reverse osmosis membrane is selectively output in two ways, one way is connected to the input side of the safety filter to return the concentrated water produced from the high-pressure side to the safety filter, and the other way is used to discharge the concentrated water produced from the high-pressure side to the outside; the high pressure side of the secondary reverse osmosis membrane is connected to the raw water tank to return the concentrated water produced from the high pressure side thereof to the raw water tank.
As the utility model discloses a further preferred technical scheme, the infiltration filtration device still includes the pH regulator, the pH regulator sets up on the pipeline that is connected between one-level reverse osmosis membrane and middle water pitcher to be used for carrying out the pH value to the pure water of one-level reverse osmosis membrane production and detect, and the pump goes into predetermined medicament and adjusts in order to adjust the pH value of the pure water of one-level reverse osmosis membrane production to this pipeline.
As a further preferred technical scheme of the utility model, the quantity of electric desalination module is one set at least, is parallel connection between second grade reverse osmosis membrane and organic carbon remover when being two sets or more than two sets.
As a further preferred technical scheme of the utility model, two outputs of the dense water of output and utmost point water are still had to electric desalination module, and these two outputs are connected to former water pitcher in order to flow back the dense water of output and utmost point water to former water pitcher.
As a further preferred technical scheme of the utility model, the purification water pitcher is connected with the supply channel, be connected with a plurality of water supply nodes and purification water delivery pump on the supply channel, purification water in the purification water pitcher by purification water delivery pump carries to each water supply node.
As a further preferable technical solution of the present invention, the end of the water supply pipeline is connected to the purified water tank to form a circulation pipeline, so that the purified water not output from the water supply node flows back to the purified water tank; and ultraviolet disinfectors are arranged between the water supply nodes and the purified water tank and on the backflow section of the water supply pipeline, and are used for carrying out disinfection treatment on the backflow purified water.
As the utility model discloses a further preferred technical scheme, the device still includes ozone sterilization dress ware, ozone sterilization dress ware pass through the pipeline with the purification water pitcher is connected in order to carry ozone extremely in the purification water pitcher, the pipeline is located the outside of purification water pitcher and head and the tail both ends communicate with the bottom and the top of purification water pitcher respectively.
The utility model discloses a purified water preparation facilities through adopting above-mentioned technical scheme, can reach following beneficial effect:
1) the process combining the two-stage reverse osmosis technology and the electric desalting technology is adopted, so that the production quality is high, and the cost and the price are low;
2) acid and alkali regeneration is not needed in the electric desalting industry, so that the electric desalting industry is green and environment-friendly;
3) in the whole water production line, the buffer memory of the intermediate water tank is adopted, so that the continuous and stable operation of the whole device can be ensured, meanwhile, the purified water which does not reach the standard can be recycled and reprocessed, the resources are saved, and the quality of the produced water is ensured;
4) the utility model discloses the integrated design, the modularization installation, for existing equipment, area is littleer, and the efficiency of field installation is higher.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic block diagram of an example of a purified water preparation apparatus of the present invention;
fig. 2 is a schematic structural diagram of an example provided by the purified water preparation apparatus of the present invention.
In the figure: 1. the device comprises a raw water tank, 2, a raw water pump, 3, a multi-media filter, 4, an activated carbon filter, 5, a security filter, 6, a first-stage high-pressure pump, 7, a first-stage reverse osmosis membrane, 8, an intermediate water tank, 9, a pH regulator, 10, a second-stage high-pressure pump, 11, a second-stage reverse osmosis membrane, 12, an electric desalting module, 13, a purified water tank, 14, a purified water delivery pump, 15, a water supply node, 16, an ozone sterilization device, 17 and an ultraviolet sterilizer.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.
The purified water preparation apparatus shown in fig. 1 and 2 includes a raw water tank, a pretreatment apparatus, a permeation filtration apparatus, a purification apparatus, and a purified water tank, and the pretreatment apparatus, the permeation filtration apparatus, and the purification apparatus are sequentially connected between the raw water tank and the purified water tank through pipes to form a continuous purified water production line.
The pretreatment device is connected with the raw water tank to pretreat raw water output by the raw water tank, the raw water tank is used for storing raw water, the raw water can be provided by external tap water, and the raw water tank can play a buffering role at the front end of the pretreatment device, so that the stable operation of the whole purified water preparation device is ensured.
The infiltration filter equipment set up in the preprocessing device rear end, it includes primary high-pressure pump, one-level reverse osmosis membrane, middle water pitcher, secondary high-pressure pump and second grade reverse osmosis membrane, primary high-pressure pump connect in preprocessing device with carry with the raw water pressure boost after the preliminary treatment to between the one-level reverse osmosis membrane, the low pressure side of one-level reverse osmosis membrane with middle water pitcher is connected and is saved middle water pitcher with the pure water of output, secondary high-pressure pump connect in middle water pitcher with between the second grade reverse osmosis membrane in order to with pure water pressure boost in the middle water pitcher is carried to second grade reverse osmosis membrane.
The purification treatment device is arranged at the rear end of the permeation filtration device and comprises an electric desalting module (EDI for short) and an organic carbon remover, the electric desalting module realizes the selective permeation of cations and anions through cation and anion membranes and the exchange of ions in water through ion exchange resin, and realizes the directional migration of ions in water under the action of an electric field, thereby achieving the purpose of deep desalting of water; the organic carbon remover is used for reducing the content of total organic carbon in water. The output of electricity desalination module with the low pressure side of second grade reverse osmosis membrane output pure water is connected, the last output of output purified water of electricity desalination module with the organic carbon remover is connected, the product water side of organic carbon remover divide two the tunnel respectively with the purified water jar with middle water pitcher is connected and is carried the purified water of output with the selectivity purification water jar or middle water pitcher, promptly, when the product water of organic carbon remover is up to standard and the purified water jar is full for the storage, the product water of organic carbon remover is carried the purified water jar, otherwise, carries middle water pitcher. The water producing side of the organic carbon remover can be detected by the conductivity detector to judge whether the production reaches the standard.
In specific implementation, preprocessing device includes raw water pump, and connect gradually in multi-media filter, active carbon filter and the safety filter ware of raw water pump output, raw water pump's input with raw water tank connects, the output of safety filter ware is connected with the input of first-level high-pressure pump, wherein: the raw water pump is used for providing power for pretreatment of the pretreatment device, so that the pressure and the flow of the raw water before the raw water passes through the pretreatment device and reaches the osmotic filtering device meet the requirements; the multi-medium filter utilizes different particle sizes of natural quartz sand to be smaller than that of the natural quartz sand in a tank body to form 3-5 filter layers for filtering impurities such as fine particles, suspended matters, colloids and the like in raw water; the activated carbon filter is used for adsorbing organic matters, oxidants, pigments and peculiar smells in raw water, so that the first-stage reverse osmosis membrane and the second-stage reverse osmosis membrane are protected from being oxidized and damaged; the safety filter is used for preventing particles larger than or equal to 5 mu m from entering the reverse osmosis membrane, so that the first reverse osmosis membrane and the second reverse osmosis membrane are easy to be polluted and blocked. The multi-media filter, the activated carbon filter and the cartridge filter are all the prior art, and the detailed structures thereof are not described in detail herein
Preferably, two raw water pumps are arranged and are connected in parallel between the raw water tank and the multi-media filter, one raw water pump is commonly used, and the other raw water pump is standby, so that when one raw water pump fails, the other raw water pump can be automatically started, and continuous production of equipment is guaranteed.
The high-pressure side of the first-stage reverse osmosis membrane is selectively output in two ways, one way is connected to the input side of the security filter so as to enable the concentrated water produced by the high-pressure side of the security filter to flow back to the security filter, the other way is used for discharging the concentrated water produced by the high-pressure side of the security filter to the outside, namely the concentrated water produced by the first-stage reverse osmosis membrane can be directly discharged or flows back to the security filter for secondary filtration and utilization, and the concentration degree of the concentrated water produced by the first-stage reverse osmosis membrane can be reasonably selected in practice, so that the purposes of saving water resources and protecting the environment are achieved; the high pressure side of the secondary reverse osmosis membrane is connected to the raw water tank so as to enable concentrated water produced by the high pressure side of the secondary reverse osmosis membrane to flow back to the raw water tank for recycling.
Preferably, the infiltration filtration device still includes the pH regulator, the pH regulator sets up on the pipeline that is connected between one-level reverse osmosis membrane and middle water pitcher to be used for carrying out pH value to the pure water of one-level reverse osmosis membrane production and detecting, can add predetermined medicament when pH value is low excessively, adjust the pH value of the pure water of one-level reverse osmosis membrane production, maintain the balance of aquatic pH value, its purpose lies in guaranteeing the product water quality of subsequent second grade reverse osmosis membrane, makes the CO in aquatic2Conversion to HCO3-And CO3So as to be removed by reverse osmosis.
In a specific implementation, the number of the electric desalting modules is at least one, when the number of the electric desalting modules is two or more, the two or more electric desalting modules are connected in parallel between the secondary reverse osmosis membrane and the organic carbon remover, and when the working capacity of each electric desalting module is limited and cannot be met, the two or more electric desalting modules can be used for parallel operation.
Further preferably, the electric desalting module is also provided with two output ends of produced concentrated water and produced extremely-low-salinity water, and the two output ends are connected to the raw water tank to return the produced concentrated water and the produced extremely-low-salinity water to the raw water tank for recycling in order to save water resources.
The purified water tank is connected with a water supply pipeline, the water supply pipeline is connected with a plurality of water supply nodes connected in series and a purified water conveying pump, and the purified water in the purified water tank is conveyed to each water supply node by the purified water conveying pump.
As a further preferable scheme of the present invention, the end of the water supply pipeline is connected to the purified water tank to form a circulation pipeline, so that the purified water not output from the water supply node flows back to the purified water tank; the ultraviolet ray virus killing device is arranged between the water supply nodes and the purified water tank and on a backflow section of the water supply pipeline, the ultraviolet ray virus killing device is used for carrying out virus killing treatment on backflow purified water, the purified water which is not taken away by the water supply nodes flows back to the purified water tank after passing through the water supply nodes, the purpose of saving water is achieved, and meanwhile the ultraviolet ray virus killing device carries out virus killing on the backflow purified water so as to inhibit breeding of microorganisms in the purified water.
Preferably, the device still includes ozone sterilization dress ware, ozone sterilization dress ware pass through the pipeline with the purification water pitcher is connected in order to carry ozone extremely in the purification water pitcher, the pipeline is located the outside of purification water pitcher and head and the tail both ends communicate with the bottom and the top of purification water pitcher respectively, and ozone can let in the purification water from the bottom of purification water pitcher, and in the purification water pitcher is let in to the recycling again after the extraction from the top again, the recycling can improve disinfection effect to restrain breeding of microorganism in the purification water, furthest has reduced microorganism breeding risk promptly.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (10)
1. A purified water preparation device is characterized by comprising a raw water tank, a pretreatment device, a permeation filtration device, a purification treatment device and a purified water tank, wherein:
the pretreatment device is connected with the raw water tank to pretreat raw water output by the raw water tank;
the infiltration filtering device is arranged at the rear end of the pretreatment device and comprises a first-stage high-pressure pump, a first-stage reverse osmosis membrane, an intermediate water tank, a second-stage high-pressure pump and a second-stage reverse osmosis membrane, wherein the first-stage high-pressure pump is connected between the pretreatment device and the first-stage reverse osmosis membrane to pressurize and convey pretreated raw water to the first-stage reverse osmosis membrane, the low-pressure side of the first-stage reverse osmosis membrane is connected with the intermediate water tank to store produced pure water to the intermediate water tank, and the second-stage high-pressure pump is connected between the intermediate water tank and the second-stage reverse osmosis membrane to pressurize and convey the pure water in the intermediate water tank to the second-stage reverse osmosis membrane;
purification processing apparatus set up in the rear end of infiltration filter equipment, it includes electric desalination module and organic carbon remover, the output of electric desalination module with the low pressure side of second grade reverse osmosis membrane output pure water is connected, the last output of output purified water of electric desalination module with the organic carbon remover is connected, the product water side of organic carbon remover divide two the tunnel respectively with the purified water tank with middle water pitcher is connected and is carried the purified water of output with the selectivity the purified water tank or middle water pitcher.
2. The purified water preparation device according to claim 1, wherein the pretreatment device comprises a raw water pump, and a multi-media filter, an activated carbon filter and a cartridge filter which are connected to an output end of the raw water pump in sequence, wherein an input end of the raw water pump is connected to the raw water tank, and an output end of the cartridge filter is connected to an input end of the first-stage high-pressure pump.
3. The apparatus of claim 2, wherein the raw water pump is two, and the two raw water pumps are connected in parallel between the raw water tank and the multi-media filter, one is commonly used, and the other is ready for use.
4. The purified water preparation apparatus according to claim 3, wherein the high pressure side of the primary reverse osmosis membrane is selectively outputted in two ways, one way being connected to the input side of the cartridge filter to return the concentrated water produced from the high pressure side thereof to the cartridge filter, and the other way being to discharge the concentrated water produced from the high pressure side thereof to the outside; the high pressure side of the secondary reverse osmosis membrane is connected to the raw water tank to return the concentrated water produced from the high pressure side thereof to the raw water tank.
5. The purified water preparation apparatus according to claim 1, wherein the permeate filtering apparatus further comprises a pH adjuster provided in a pipe connected between the primary reverse osmosis membrane and the intermediate water tank, for performing pH detection of the purified water produced by the primary reverse osmosis membrane, and pumping a predetermined chemical into the pipe to adjust the pH of the purified water produced by the primary reverse osmosis membrane.
6. The purified water preparation apparatus of claim 1, wherein the number of the electric desalting modules is at least one, and when two or more, the two or more are connected in parallel between the secondary reverse osmosis membrane and the organic carbon remover.
7. The purified water preparation apparatus of claim 1, wherein the electric desalination module further has two outputs for produced concentrated water and polar water, which are connected to the raw water tank to return the produced concentrated water and polar water to the raw water tank.
8. The purified water preparation apparatus according to any one of claims 1 to 7, wherein a water supply line is connected to the purified water tank, a plurality of water supply nodes and a purified water transfer pump are connected to the water supply line, and the purified water in the purified water tank is transferred to each water supply node by the purified water transfer pump.
9. The purified water preparing apparatus of claim 8, wherein an end of the water supply line is connected to the purified water tank to form a circulation line such that the purified water not outputted from the water supply node is returned to the purified water tank; and ultraviolet disinfectors are arranged between the water supply nodes and the purified water tank and on the backflow section of the water supply pipeline, and are used for carrying out disinfection treatment on the backflow purified water.
10. The purified water preparation apparatus according to any one of claims 1 to 7, further comprising an ozone sterilizer connected to the purified water tank through a pipe for delivering ozone into the purified water tank, wherein the pipe is located outside the purified water tank and has a head end and a tail end respectively communicated with the bottom and the top of the purified water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120594202.9U CN214654224U (en) | 2021-03-24 | 2021-03-24 | Purified water preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120594202.9U CN214654224U (en) | 2021-03-24 | 2021-03-24 | Purified water preparation facilities |
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| Publication Number | Publication Date |
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| CN214654224U true CN214654224U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120594202.9U Active CN214654224U (en) | 2021-03-24 | 2021-03-24 | Purified water preparation facilities |
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| CN (1) | CN214654224U (en) |
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2021
- 2021-03-24 CN CN202120594202.9U patent/CN214654224U/en active Active
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