CN217398659U - Direct drinking water system wetting system - Google Patents

Abstract

The application provides direct drinking water making equipment, which comprises a primary filtering device, a secondary filtering device, a nanofiltration device and a pure water box which are sequentially communicated, wherein a buffer water tank is also arranged between the secondary filtering device and the nanofiltration device, a variable-frequency descaling instrument is arranged between a water inlet of the buffer water tank and a water outlet of the nanofiltration device, a water inlet of the pure water box is communicated with a water outlet of the nanofiltration device through a pipeline, and a water outlet of the pure water box is externally connected with an ultraviolet sterilization device and is supplied with water through a water supply pipeline after passing through the ultraviolet sterilization device; a backflow channel is further arranged between the nanofiltration device and the buffer water tank, the recovery rate of the system is improved from 50% to 90%, the utilization rate of water resources is greatly improved, and water resources are saved.

Description

Direct drinking water system wetting system

Technical Field

The application relates to direct drinking water making equipment, and belongs to the field of water making equipment.

Background

Direct drinking water is generally supplied to households in a quality-based water supply mode. The quality-divided water supply is that tap water provided by municipal administration is used as domestic drinking water according to different requirements of people on water in life, domestic water and direct drinking water in the tap water are separated, a pipe network is additionally arranged, the tap water is deeply processed into purified water capable of being directly drunk by adopting a special process, and then the purified water is output by a pipeline of food sanitation level to directly reach households, so that the purpose of direct drinking is achieved by dividing the quality of the drinking water and the domestic water, and the requirements of high quality, high use and low quality are met. The directly drinkable purified water can be divided into two kinds of purified water or purified water. The direct drinking water can also be directly purified and activated by a water purifying device at a user terminal, so that the energy is realized, a purification system simulating the natural water is used for treatment, and the drinking water meeting the national standard is directly output.

The existing direct drinking machines can not reach the direct drinking standard, are unsafe, are easy to damage the body if being drunk for a long time, and can not observe the quality of the discharged water at any time.

In view of this, the present application is specifically proposed.

Disclosure of Invention

In order to solve one of the technical defects, the embodiment of the application provides direct drinking water and water making equipment.

According to the embodiment of the application, the direct drinking water production equipment comprises a primary filtering device, a secondary filtering device, a nanofiltration device and a pure water box which are sequentially communicated, wherein a buffer water tank is further arranged between the secondary filtering device and the nanofiltration device, a variable-frequency descaling instrument is arranged between a water inlet of the buffer water tank and a water outlet of the nanofiltration device, a water inlet of the pure water box is communicated with a water outlet of the nanofiltration device through a pipeline, a water outlet of the pure water box is externally connected with an ultraviolet sterilization device, and water is supplied by a water supply pipeline after passing through the ultraviolet sterilization device; and a backflow channel is also arranged between the nanofiltration device and the buffer water tank.

The primary filtering device comprises a primary filtering tank, the upper end of the primary filtering tank is provided with a water inlet, the lower end of the primary filtering tank is a water outlet, a plurality of first water distributors are installed at the water inlet of the primary filtering tank, and the first water distributors are uniformly distributed at the water inlet of the primary filtering tank.

The one-stage filtration jar is for including the first jar of body and the first jar of body down, the fixed open type bolt hole blind plate that is provided with on the first jar of body down, set up open type bolt hole flange between the first jar of body and the open type bolt hole blind plate down, open type bolt hole flange passes through eyenut with open type bolt hole blind plate and locks.

And a backwashing water distributor is arranged on the open type bolt hole blind plate and used for backwashing the first upper tank body.

The secondary filtering device comprises a primary filtering tank, the lower end of the primary filtering tank is provided with a water inlet, the upper end of the primary filtering tank is a water outlet, and a plurality of second water distributors are installed at the water inlet of the primary filtering tank.

The second grade filters jar and is for including jar body and the second lower jar of body on the second, the fixed open type bolt hole blind plate that is provided with under the second jar of body, set up open type bolt hole flange under the second between jar body and the open type bolt hole blind plate, open type bolt hole flange passes through eyenut with open type bolt hole blind plate and locks.

The internal agitating unit that is provided with of jar on the second, the internal agitator motor that installs of jar under the second, agitating unit one end is passed on the open type bolt hole blind plate and is connected with agitator motor's output.

And a high-pressure water pump is arranged in the buffer water tank, the high-pressure water pump is a submersible pump, and the high-pressure water pump pumps water of the buffer water tank into the nanofiltration device.

And a pipeline between the water outlet of the nanofiltration device and the pure water tank is provided with a conductivity meter, and the backflow channel is provided with an electric three-way valve.

The first-stage filter tank and the second-stage filter tank are internally provided with filter materials; and a nanofiltration membrane is arranged in the nanofiltration device.

Adopt the straight water system wetting system that provides in the embodiment of this application, have following beneficial effect down:

1. the application provides a municipal administration running water gets into one-level filter equipment and gets into the second grade after filtering and crosses the device, gets into buffer tank from second grade filter equipment, and this part is the leading preliminary treatment of nanofiltration. The filter is a pretreatment device of a water treatment system, and aims to remove mineral scale, residual chlorine, suspended solids, heavy metals and the like in water, inhibit the propagation of microorganisms and meet the water inlet requirement of subsequent devices of the desalting device; the filter material in the primary and secondary filter device can recover the adsorption dirt-intercepting capability thereof through periodic cleaning.

2. The high-pressure pump is arranged in the buffer water tank, the outlet water enters the nanofiltration device, and the nanofiltration device is provided with a concentrated water return pipeline which can carry out secondary utilization on the water, thereby improving the utilization rate of the water and saving the water. The device produces water and utilizes the membrane separation technique, and the bacterium virus is detached to safe efficient to get rid of most dissolubility solid in the aquatic, and the device of receiving filtration produces water and gets into pure water storage water tank, and the pure water incasement is built-in supplies water pump outward, and variable frequency control, pure water supply water outward after through the disinfection of ultraviolet sterilizer. An on-line conductivity detector is arranged on the water production pipeline, and the water quality of the effluent can be observed at any time.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of a direct drinking water production device according to the present application;

FIG. 2 is a schematic plan view of a primary filtration unit of the present application;

FIG. 3 is a schematic view of a water distributor;

FIG. 4 is a schematic plan view of a secondary filter apparatus according to the present application;

FIG. 5 is a schematic plan view of the blind plate with open bolt holes of the present application;

FIG. 6 is a schematic view of the connection of an open bolt hole flange with an open bolt hole blind plate.

In the figure:

1. a primary filtration device; 101. a primary filtration tank; 111. a first upper tank body; 112. a first lower tank body; 102. a first water distributor; 2. a secondary filtration device; 201. a primary filtration tank; 211. a second upper tank body; 212. a second lower tank body; 202. a second water distributor; 3. a nanofiltration device; 4. a pure water tank; 5. a buffer water tank; 6. a frequency conversion descaler; 7. an ultraviolet sterilization device; 8. a return channel; 9. backwashing the water distributor; 10. A stirring device; 11. a stirring motor; 12. a high pressure water pump; 13. a conductivity meter; 14. an electric three-way valve; 15. an open bolt hole flange; 16. an open type bolt hole blind plate; 17. an eye nut.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

As shown in fig. 1-6, the embodiment of the present application provides a direct drinking water production device, which includes a primary filtering device 1, a secondary filtering device 2, a nanofiltration device 3 and a pure water tank 4, which are sequentially communicated, wherein a buffer water tank 5 is further installed between the secondary filtering device 2 and the nanofiltration device 3, a variable frequency descaler 6 is installed between a water inlet of the buffer water tank 5 and a water outlet of the nanofiltration device 3, a water inlet of the pure water tank 4 is communicated with a water outlet of the nanofiltration device 3 through a pipeline, a water outlet of the pure water tank 4 is externally connected with an ultraviolet sterilization device 7, and water is supplied by a water supply pipeline after passing through the ultraviolet sterilization device 7; a return channel 8 is also arranged between the nanofiltration device 3 and the buffer water tank 5.

Filter materials are arranged in the first-stage filter tank 101 and the second-stage filter tank 201; and a nanofiltration membrane is arranged in the nanofiltration device 3.

Specifically, a variable frequency descaling instrument 6 is arranged between the water inlet of the buffer water tank 5 and the water outlet of the nanofiltration device 3, the variable frequency descaling instrument 6 continuously emits pulse electromagnetic waves with different frequencies to act on flowing water, so that the state of calcium and magnesium ions in the water is changed, the calcium and magnesium ions are not easily combined with carbonate ions in the water, scaling is prevented, and the follow-up nanofiltration membrane is prevented from scaling and fouling.

The primary filtering device 1 comprises a primary filtering tank 101, a water inlet is formed in the upper end of the primary filtering tank 101, a water outlet is formed in the lower end of the primary filtering tank 101, a plurality of first water distributors 102 are installed at the water inlet of the primary filtering tank 101, and the first water distributors 102 are uniformly distributed at the water inlet of the primary filtering tank 101.

Specifically, the primary filtering device 1 is arranged to be capable of feeding water upwards and discharging downwards during water production, and the plurality of first water distributors 102 are uniformly distributed at the water inlet at the upper part of the primary filtering tank 101, so that the water feeding distribution is more uniform, the water distribution is more uniform than that of a traditional single-filter-head water distributor, and the bias flow is prevented.

The primary filter tank 101 comprises a first upper tank body 111 and a first lower tank body 112, an open type bolt hole blind plate is fixedly arranged on the first lower tank body 112, an open type bolt hole flange is arranged between the first lower tank body 112 and the open type bolt hole blind plate, and the open type bolt hole flange and the open type bolt hole blind plate are locked through a lifting ring nut.

Specifically, the bottom of the primary filter tank 101 is locked and sealed by an open bolt hole flange and an open bolt hole blind plate and a hanging ring nut, so that the primary filter tank is convenient and quick to disassemble, and when the filter material absorbs pollutants and reaches a certain capacity, the filter material is convenient to replace when needing to be replaced.

And a backwashing water distributor 9 is arranged on the open bolt hole blind plate and is used for backwashing the first upper tank body 111.

Specifically, the open type bolt hole blind plate is provided with a backwashing water distributor 9, water is uniformly distributed on a filter material during backwashing, the filter material layer in the filter is loosened by reverse water inflow, and intercepted objects adsorbed on the surface of the filter material layer are taken away by backflushing water flow, so that the purpose of cleaning is achieved.

The secondary filtering device 2 comprises a primary filtering tank 101, the lower end of the primary filtering tank 101 is provided with a water inlet, the upper end of the primary filtering tank 101 is a water outlet, and a plurality of second water distributors 202 are installed at the water inlet of the primary filtering tank 101. The second-stage filter tank 201 comprises a second upper tank body 211 and a second lower tank body 212, an open bolt hole blind plate is fixedly arranged on the second lower tank body 212, an open bolt hole flange is arranged between the second lower tank body 212 and the open bolt hole blind plate, and the open bolt hole flange and the open bolt hole blind plate are locked through a lifting ring nut.

The stirring device 10 is arranged in the second upper tank body 211, the stirring motor 11 is arranged in the second lower tank body 212, and one end of the stirring device 10 penetrates through the open type bolt hole blind plate to be connected with the output end of the stirring motor 11.

Specifically, the secondary filter device 2 is arranged to enter and exit from the bottom during water production, and the filter material is compressed to intercept pollutants during filtration. The second water distributor 202 is arranged at the lower part of the second-stage filtering device 2, and the water inlet is mainly and uniformly distributed on the filtering material, so that the filtering material is fully utilized, and the water quality of the outlet water is achieved. The bottom of the secondary filter device 2 is locked and sealed by an open bolt hole flange and an open bolt hole blind plate and a hanging ring nut, so that the secondary filter device is convenient and quick to detach, and when the filter material adsorbs pollutants to reach a certain capacity, the filter material is convenient to replace, and the maintenance of a stirring motor at the lower part of the filter is also facilitated.

Second grade filter equipment 2 is different with conventional filter, does not carry out the backwash, through bottom installation agitator motor 11 and agitating unit 10, in the implementation, agitating unit 10 adopts three-leaf formula puddler, drives under the effect of three-leaf formula puddler at the motor during washing, and the aquatic products in the second grade filter equipment 2 produces centrifugal vortex, drives the not hard up rotation of filter material, makes the adsorption at the interception thing and the filter material separation on filter material surface to reach the abluent effect of filter material.

In the implementation, in order to prevent the filter material from entering the pipeline and the buffer water tank 5, a water distributor can be arranged at the top of the secondary filtering device 2 to intercept the filter material.

And a high-pressure water pump 12 is arranged in the buffer water tank 5, the high-pressure water pump 12 is a submersible pump, and the high-pressure water pump 12 pumps the water of the buffer water tank 5 into the nanofiltration device 3.

Specifically, the high-pressure water pump 12 of the system adopts a water lubrication and water heat dissipation water pump as a submersible pump and is arranged in the water tank, the water in the water tank is used for cooling the motor, the water temperature is increased, the filtration of the nanofiltration membrane is facilitated, the nanofiltration water inlet pressure is reduced, and the energy consumption is reduced.

A conductivity meter 13 is arranged on a pipeline between the water outlet of the nanofiltration device 3 and the pure water tank 4, and an electric three-way valve 14 is arranged on the return channel 8.

A backflow channel 8 is further arranged between the nanofiltration device 3 and the buffer water tank 5, a conductivity meter 13 and an electric three-way valve 14 are arranged on the backflow channel 8 of the nanofiltration device 3, valve positions can be automatically switched according to conductivity values of the concentrated water, when the conductivity values are lower than a set value, the electric valve is switched to a backflow mode, all the concentrated water flows back to the buffer water tank 5, at the moment, the discharge of the concentrated water is equivalent to no discharge of the concentrated water, and when the conductivity values are higher than the set value, the electric three-way valve 14 is switched to a discharge mode, and the concentrated water is discharged. This design is different from traditional structure, improves the system recovery rate from 50% to 90%, and the water source is saved to the utilization ratio of very big improvement water resource.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the present application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (10)

1. The direct drinking water production equipment is characterized by comprising a primary filtering device (1), a secondary filtering device (2), a nanofiltration device (3) and a pure water tank (4) which are sequentially communicated, wherein a buffer water tank (5) is further arranged between the secondary filtering device (2) and the nanofiltration device (3), a variable-frequency descaling instrument (6) is arranged between a water inlet of the buffer water tank (5) and a water outlet of the nanofiltration device (3), a water inlet of the pure water tank (4) is communicated with a water outlet of the nanofiltration device (3) through a pipeline, and a water outlet of the pure water tank (4) is externally connected with an ultraviolet sterilization device (7) and is supplied with water through a water supply pipeline after passing through the ultraviolet sterilization device (7); and a backflow channel (8) is also arranged between the nanofiltration device (3) and the buffer water tank (5).

2. A direct drinking water making device according to claim 1, wherein the primary filter device (1) comprises a primary filter tank (101), the upper end of the primary filter tank (101) is provided with a water inlet, the lower end is a water outlet, a plurality of first water distributors (102) are installed at the water inlet of the primary filter tank (101), and the first water distributors (102) are uniformly distributed at the water inlet of the primary filter tank (101).

3. The direct drinking water making device according to claim 2, wherein the primary filter tank (101) comprises a first upper tank body (111) and a first lower tank body (112), an open type bolt hole blind plate is fixedly arranged on the first lower tank body (112), an open type bolt hole flange is arranged between the first lower tank body (112) and the open type bolt hole blind plate, and the open type bolt hole flange and the open type bolt hole blind plate are locked by a lifting ring nut.

4. A direct drinking water making device according to claim 3, wherein the open type bolt hole blind plate is provided with a backwashing water distributor (9) for backwashing the first upper tank (111).

5. A direct drinking water making device according to claim 2, wherein the secondary filtering device (2) comprises a secondary filtering tank (201), the lower end of the secondary filtering tank (201) is provided with a water inlet, the upper end is a water outlet, and a plurality of second water distributors (202) are installed at the water inlet of the secondary filtering tank (201).

6. The direct drinking water and water making device according to claim 5, wherein the secondary filter tank (201) comprises a second upper tank body (211) and a second lower tank body (212), an open bolt hole blind plate is fixedly arranged on the second lower tank body (212), an open bolt hole flange is arranged between the second lower tank body (212) and the open bolt hole blind plate, and the open bolt hole flange and the open bolt hole blind plate are locked by a lifting ring nut.

7. A direct drinking water making device according to claim 6, characterized in that a stirring device (10) is arranged in the second upper tank (211), a stirring motor (11) is arranged in the second lower tank (212), and one end of the stirring device (10) passes through the open type bolt hole blind plate and is connected with the output end of the stirring motor (11).

8. A direct drinking water making device according to claim 1, characterized in that a high pressure water pump (12) is arranged in the buffer water tank (5), the high pressure water pump is a submersible pump, and the high pressure water pump (12) pumps the water of the buffer water tank (5) into the nano-filtration device (3).

9. The direct drinking water making device according to claim 1, wherein a conductivity meter (13) is installed on the pipeline between the water outlet of the nano-filtration device (3) and the pure water tank (4), and an electric three-way valve (14) is installed on the backflow channel (8).

10. A direct drinking water making device according to claim 5, characterized in that the primary filter tank (101) and the secondary filter tank (201) are provided with filter materials; a nanofiltration membrane is arranged in the nanofiltration device (3).

Images