CN210176657U

CN210176657U - Concentrated water recovery device of engineering direct drinking water system

Info

Publication number: CN210176657U
Application number: CN201920685643.2U
Authority: CN
Inventors: Haibo Dong; 董海波
Original assignee: Sichuan Yihai Environmental Protection Engineering Co Ltd
Current assignee: Sichuan Yihai Environmental Protection Engineering Co Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-03-24
Anticipated expiration: 2029-05-14

Abstract

The utility model discloses a dense water recovery unit of direct drinking water system of engineering, raw water collector, raw water inlet tube, high-pressure pump, filtration disinfection bucket, raw water outlet pipe, mixed bed, distillation barrel, water purifier, drain pipe, reverse osmosis unit an, dense water pipe an, reverse osmosis unit b including the order is connected, the distillation barrel carries out the distillation desalination to the raw water, the water purifier carries out the filtration and the purification treatment of degree of depth to the raw water, still is connected with booster pump an, booster pump b, fresh water bucket, outlet pipe an, outlet pipe b, booster pump an connects on the drain pipe, booster pump b connects on the dense water pipe a, fresh water bucket passes through outlet pipe an with reverse osmosis unit an intercommunication, fresh water bucket passes through outlet pipe b with reverse osmosis unit b intercommunication. The utility model provides the high quality of fresh water volume and fresh water carries out recycle to last dense water, has improved the utilization ratio of dense water, great reduction the waste of water resource.

Description

Concentrated water recovery device of engineering direct drinking water system

Technical Field

The utility model relates to a dense water recovery unit field specifically is a dense water recovery unit of system is directly drunk to engineering.

Background

In recent years, reverse osmosis water treatment technology has been widely applied to the fields of seawater desalination, domestic sewage recycling, industrial water treatment and the like, and reverse osmosis membrane water treatment has the advantages of high efficiency, low energy consumption, no secondary pollution, small equipment floor area, long-term stable operation and the like. However, the prior art does not have a device for desalting raw water, so that concentrated water discharged after the raw water is treated by a reverse osmosis system has the characteristics of high salt content, high organic matter concentration and poor biodegradability, and cannot be directly drunk.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, a dense water recovery unit of system is directly drunk to engineering is provided, this recovery unit is equipped with the distillation bucket and carries out desalination to the raw water, mix the bed and soften and exchange out high-purity water to the raw water, be equipped with two reverse osmosis unit and ultrafiltration device to the further purification of the raw water of handling, the quality of fresh water volume and fresh water has been improved, still be equipped with dense water case and collection box simultaneously, be used for recycle, the utilization ratio of dense water has been improved, great reduction the waste of water resource.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a dense water recovery unit of water system is directly drunk in engineering, includes raw water collector, raw water inlet tube, high-pressure pump, filtration disinfection bucket, raw water outlet pipe, mixed bed, distillation barrel, water purifier, drain pipe, reverse osmosis unit an, dense water pipe an, reverse osmosis unit b that the order is connected, the distillation barrel is used for distilling desalination to the raw water, the water purifier is used for carrying out the filtration and the purification treatment of degree of depth to the raw water, still includes booster pump an, booster pump b, fresh water bucket, outlet pipe an, outlet pipe b, booster pump an connects on the drain pipe, booster pump b connects on the dense water pipe an, the fresh water bucket passes through outlet pipe an with reverse osmosis unit an intercommunication, the fresh water bucket passes through outlet pipe b with reverse osmosis unit b intercommunication.

Preferably, still include dense water pipe b, dense water case, ultrafiltration device, dense water pipe c, collection box, outlet pipe c, dense water pipe b both ends communicate respectively reverse osmosis unit b with dense water case, ultrafiltration device with dense water case intercommunication, dense water pipe c both ends communicate respectively ultrafiltration device with the collection box, the outlet pipe both ends communicate respectively the fresh water bucket with ultrafiltration device collects the recovery, filters the purification to dense water once more through ultrafiltration device, the dense water that dense water pipe c got rid of flows in carry out recycle in the collection box, improved the utilization ratio of raw water greatly, practiced thrift the water resource.

Preferably, quartz sand is fixed in the raw water inlet pipe and used for filtering large-particle impurities.

Preferably, be equipped with active carbon in the filtration disinfection bucket, the raw water outlet pipe with disinfection bucket bottom intercommunication, active carbon disinfects the raw water, and the raw water after being convenient for disinfect flows into in the mixed bed.

Preferably, the bottom of the distillation barrel is provided with a discharge port for removing impurities and evaporated salt.

Preferably, a condensing device is arranged on a connecting pipe between the distillation barrel and the water purifier, and the condensing device is used for cooling the raw water vapor entering the water purifier.

Preferably, a PP melt-blown filter element is fixed inside the water purifier, and granular carbon is arranged below the PP melt-blown filter element to deeply filter and purify raw water.

Preferably, reverse osmosis unit a and reverse osmosis unit b all are equipped with reverse osmosis pressure vessel, be equipped with reverse osmosis membrane in the reverse osmosis pressure vessel, further soften the filtration to raw water, improve the purity of fresh water.

The utility model has the advantages that:

a concentrated water recovery unit of the direct drinking water system of the project is equipped with the distillation and leads to, carry on the desalination to the raw water through the distillation first, also equipped with the mixed bed, soften the raw water, and exchange high pure water, discharge the raw water treated above-mentioned into the reverse osmosis unit and filter and purify, the utility model discloses have two reverse osmosis units, has improved the water yield of the fresh water, has reduced the discharge of the concentrated water;

still be equipped with the water purifier, carry out the filtration and the purification of degree of depth to the raw water, be equipped with concentrated water tank and ultrafiltration device simultaneously, collect and further filtration utilization reverse osmosis unit exhaust concentrated water, still be equipped with the collection box simultaneously, collect the concentrated water that can not utilize and be used for irrigating, water such as fire control, improved the utilization ratio of water resource, improved the cyclicity of water.

Drawings

FIG. 1 is a schematic structural view of a concentrated water recycling device of an engineering direct drinking water system of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of the reverse osmosis apparatus of the present invention;

in the figure, 1-raw water collector, 2-raw water inlet pipe, 3-high pressure pump, 4-filtering disinfection barrel, 5-mixed bed, 6-distillation barrel, 7-water purifier, 8-water outlet pipe, 9-reverse osmosis device a, 10-concentrated water pipe a, 11-reverse osmosis device b, 12-concentrated water pipe b, 13-concentrated water tank, 14 quartz sand, 15-active carbon, 16-condensation device, 17-discharge outlet, 18-PP melt-blown filter core, 19-granular carbon, 20-booster pump a, 21-booster pump b, 22-fresh water barrel, 23-raw water outlet pipe, 24-reverse osmosis pressure container, 25-water outlet pipe a, 26-water outlet pipe b, 27-ultrafiltration device, 28-concentrated water pipe c, 29-water outlet pipe c, 30-recovery box.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

As shown in figure 1, the concentrated water recovery device of the engineering direct drinking water system comprises a raw water collector 1, a raw water inlet pipe 2, a high-pressure pump 3, a filtering and disinfecting barrel 4, a raw water outlet pipe 23, a mixed bed 5, a distillation barrel 6, a water purifier 7, a water discharge pipe 8, a reverse osmosis device a9, a concentrated water pipe a10 and a reverse osmosis device b11 which are connected in sequence, the distillation barrel 6 is used for carrying out distillation desalination treatment on raw water, the water purifier 7 is used for carrying out deep filtration and purification treatment on the raw water, and also comprises a booster pump a20, a booster pump b21, a fresh water barrel 22, a water outlet pipe a25 and a water outlet pipe b26, the booster pump a20 is connected to the water outlet pipe 8, the booster pump b21 is connected to the concentrated water pipe a10, the fresh water barrel 22 is communicated with the reverse osmosis device a9 through the water outlet pipe a25, and the fresh water barrel 22 is communicated with the reverse osmosis device b11 through the water outlet pipe b 26. A concentrated water recovery device of an engineering direct drinking water system comprises a raw water collector 1, a high pressure pump 3, a quartz sand 14, a raw water inlet pipe 2, an active carbon 15 in the raw water inlet pipe 2, a mixed bed 5, a cation and anion exchange resin filled in the same ion exchanger according to a certain mixing ratio, a condensing device 16, a water purifier 7, a water-vapor-liquid-vapor-liquid-, the water purifier 7 further filters and softens the high-purity water, then the high-purity water is pressurized by the booster pump a20 and flows into the reverse osmosis device a9 through the drain pipe 8, the reverse osmosis device a9 deeply filters and purifies the high-purity water, the fresh water flows into the fresh water bucket 22 through the water outlet pipe a25, the concentrated water flows into the reverse osmosis device b11 through the concentrated water pipe a10, the reverse osmosis device b11 deeply filters and purifies the concentrated water again, the fresh water after the secondary treatment flows into the fresh water bucket 22 through the water outlet pipe b26, and the concentrated water is discharged through the concentrated water pipe b 12. This recovery unit is equipped with filtration disinfection bucket 4, carries out preliminary filtration and bactericidal treatment to the raw water, and the distillation bucket carries out desalination to the raw water, mixes the bed and softens and exchange out high-purity water to the raw water, still is equipped with two reverse osmosis unit, has improved the play water yield of fresh water, has improved the utilization ratio of raw water.

As shown in fig. 2, a concentrated water recycling device of an engineering direct drinking water system further comprises a concentrated water pipe b12, a concentrated water tank 13, an ultrafiltration device 27, a concentrated water pipe c28, a recycling tank 30, and a water outlet pipe c29, wherein two ends of the concentrated water pipe b12 are respectively communicated with the reverse osmosis device b11 and the concentrated water tank 13, the ultrafiltration device 27 is communicated with the concentrated water tank 13, two ends of the concentrated water pipe c28 are respectively communicated with the ultrafiltration device 27 and the recycling tank 30, two ends of the water outlet pipe 29 are respectively communicated with the fresh water tank 22 and the ultrafiltration device 27, according to the above, the concentrated water discharged by the reverse osmosis device b11 flows into the concentrated water tank 13 through the concentrated water pipe b12, the concentrated water tank 13 is connected with the ultrafiltration device 27, the ultrafiltration device 27 is a pressurized membrane separation technology, i.e. under a certain pressure, small molecular solutes and solvents pass through a specially-made membrane with a certain aperture, so as to make large molecular solutes unable to pass through, the concentrated water is left on one side of the membrane, so that the macromolecular substances are partially purified, the ultrafiltration device 27 is used for further filtering and purifying the concentrated water, the fresh water provided by the ultrafiltration device 27 flows into the fresh water bucket 22 through the water outlet pipe c29, the discharged concentrated water flows into the recovery box 30 through the concentrated water pipe c28, and the recovery box 30 is connected with a fire-fighting pipeline, a cleaning pipeline, a spraying pipeline and the like, so that the utilization rate of the concentrated water is realized, and the water resource is saved.

According to the above, raw water inlet pipe 2 internal fixation has quartz sand 14, and the raw water in raw water collector 1 contains a large amount of large granule impurity, is equipped with quartz sand 14 in raw water inlet pipe 2 and is used for filtering large granule impurity.

According to the above, the activated carbon 15 is arranged in the filtering and disinfecting barrel 4, the raw water outlet pipe 23 is communicated with the bottom of the disinfecting barrel 4, raw water filtered by the quartz sand 14 is further filtered and disinfected, and the raw water outlet pipe 23 is communicated with the bottom of the disinfecting barrel 4, so that the raw water is filtered and disinfected by the activated carbon 15 layer by layer and then flows into the mixed bed 5 conveniently.

According to the above-mentioned, 6 bottoms of distillation barrel are equipped with bin outlet 17, are equipped with condensing equipment 16 on the connecting pipe of distillation barrel 6 and water purifier 7, condensing equipment 16 is used for the cooling to enter into raw water vapour in the water purifier 7, condensing equipment 16 cover is established on the connecting pipe of distillation barrel 6 and water purifier 7, and condensing equipment 16 is last to be opened has the water inlet of being connected with outside water source, contains a large amount of salt in the raw water, and distillation barrel 6 will concentrated water carries out the desalination, and bin outlet 17 is used for getting rid of the salinity and other impurity that the evaporation came out, and the concentrated steam that distills out then need carry out cooling treatment, makes its rapid cooling carry out further processing for concentrated liquid in getting into water purifier 7.

According to the above, the water purifier 7 is internally fixed with a PP melt-blown filter element 18, the granular carbon 19 is arranged below the PP melt-blown filter element 18, and the PP melt-blown filter element is a tubular filter element which is made of nontoxic and tasteless polypropylene particles through heating melting, spinning, drawing and shaping. The filter not only can be used for purifying water in large scale, but also has excellent chemical compatibility, is suitable for filtering strong acid, strong alkali and organic solvent, and has strong pollutant-receiving capacity, long service life and low cost. The PP melt-blown filter element 18 can carry out deep filtration and purification treatment on the concentrated water, and granular carbon 19 is arranged below the PP melt-blown filter element for further carrying out disinfection treatment on the concentrated water.

As shown in fig. 3, the reverse osmosis device a9 and the reverse osmosis device b11 are both provided with a reverse osmosis pressure vessel 24, a reverse osmosis membrane is arranged in the reverse osmosis pressure vessel 24, the reverse osmosis device applies a membrane separation technology to effectively remove charged ions, inorganic substances, colloidal particles, bacteria, organic substances and the like in water, fresh water separated by the reverse osmosis device a9 flows into the fresh water tank 22 through a water outlet pipe a25, concentrated water enters the reverse osmosis device b11 through a concentrated water pipe a10, fresh water separated by the reverse osmosis device b11 flows into the fresh water tank 22 through a water outlet pipe b26, concentrated water discharged by the reverse osmosis device b11 flows into the concentrated water tank 13 through a concentrated water pipe b12, the concentrated water tank 13 is connected with the ultrafiltration device 27, the ultrafiltration device 27 further filters and purifies the concentrated water, fresh water extracted by the ultrafiltration device 27 flows into the fresh water tank 22 through a water outlet pipe c29, and the removed concentrated water flows into the recovery tank 30 through a concentrated water pipe c28, the recycling box 30 is connected with a fire-fighting pipeline, a cleaning pipeline, a spraying pipeline and the like, and is used for realizing the utilization rate of concentrated water and saving water resources in other aspects.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a dense water recovery unit of engineering direct drinking water system, its characterized in that, including raw water collector (1), raw water inlet tube (2), high-pressure pump (3), filtration disinfection bucket (4), raw water outlet pipe (23), mixed bed (5), distillation bucket (6), water purifier (7), drain pipe (8), reverse osmosis unit a (9), dense water pipe a (10), reverse osmosis unit b (11) that connect in proper order, distillation bucket (6) are used for carrying out the distillation desalination to the raw water and handle, water purifier (7) are used for carrying out the filtration and the purification treatment of degree of depth to the raw water, still include booster pump a (20), booster pump b (21), fresh water bucket (22), outlet pipe a (25), outlet pipe b (26), booster pump a (20) are connected on drain pipe (8), booster pump b (21) are connected on dense water pipe a (10), the fresh water barrel (22) is communicated with the reverse osmosis device a (9) through the water outlet pipe a (25), and the fresh water barrel (22) is communicated with the reverse osmosis device b (11) through the water outlet pipe b (26).

2. The concentrated water recovery device of an engineering direct drinking water system according to claim 1, further comprising a concentrated water pipe b (12), a concentrated water tank (13), an ultrafiltration device (27), a concentrated water pipe c (28), a recovery tank (30) and a water outlet pipe c (29), wherein two ends of the concentrated water pipe b (12) are respectively communicated with the reverse osmosis device b (11) and the concentrated water tank (13), the ultrafiltration device (27) is communicated with the concentrated water tank (13), two ends of the concentrated water pipe c (28) are respectively communicated with the ultrafiltration device (27) and the recovery tank (30), and two ends of the water outlet pipe c (29) are respectively communicated with the fresh water barrel (22) and the ultrafiltration device (27).

3. The concentrated water recovery device of an engineering direct drinking water system according to claim 1, characterized in that quartz sand (14) is fixed in the raw water inlet pipe (2).

4. The concentrated water recycling device of an engineering direct drinking water system as claimed in claim 1, wherein the filtering and sterilizing tank (4) is provided with activated carbon (15), and the raw water outlet pipe (23) is communicated with the bottom of the sterilizing tank (4).

5. The concentrated water recycling device of an engineering direct drinking water system according to claim 1, wherein the bottom of the distillation barrel (6) is provided with a discharge outlet (17).

6. The concentrated water recycling device of an engineering direct drinking water system according to claim 5, wherein a condensing device (16) is disposed on the connecting pipe between the distillation barrel (6) and the water purifier (7), and the condensing device (16) is used for cooling the raw water vapor entering the water purifier (7).

7. The concentrated water recovery device of an engineering direct drinking water system according to claim 1, characterized in that a PP melt-blown filter element (18) is fixed inside the water purifier (7), and granular carbon (19) is arranged below the PP melt-blown filter element (18).

8. The concentrated water recovery device of an engineering direct drinking water system according to claim 1, wherein the reverse osmosis device a (9) and the reverse osmosis device b (11) are both provided with a reverse osmosis pressure container (24), and a reverse osmosis membrane is arranged in the reverse osmosis pressure container (24).