CN221876815U - Water preparation system - Google Patents

Abstract

The utility model discloses a water preparation system, which comprises a water inlet valve, a pure water tank, a heating device, a first sterilizer and a water taking valve; the water inlet valve is used for communicating with an external pipeline to enable purified water to enter the water preparation system, and the pure water tank is provided with a first water inlet end which is communicated with the output end of the water inlet valve; the input end of the heating device is communicated with the output end of the pure water tank; is used for heating, sterilizing and disinfecting pure water; the first sterilizer is used for further sterilization, the input end of the first sterilizer is communicated with the output end of the heating device and is provided with a first water outlet end, and the first water outlet end is communicated with the water inlet valve; the bypass has the significance of ensuring that the water inlet end of the pure water tank is free from dead water, synchronously sterilizing the water inlet end of the pure water tank and realizing the sterilization effect. The first sterilizer is also provided with a second initial end, and the input end of the water taking valve is communicated with a second water outlet end so as to be used by a user after sterilization and disinfection.

Description

A water preparation system

Technical Field

The utility model relates to the field of sterilization equipment, in particular to a water preparation system.

Background Art

Water for injection affects the personal safety of patients. Therefore, the Food and Drug Administration and other competent authorities have very strict supervision on water for injection. The existing sterilization and disinfection of water for injection usually has only one waterway, which is prone to produce stagnant water and breed bacteria, resulting in incomplete sterilization and low sterilization and disinfection efficiency.

Utility Model Content

The purpose of the utility model is to overcome the above-mentioned defects or problems existing in the background technology and provide a water preparation system.

In order to achieve the above-mentioned purpose, the present invention and its preferred embodiments adopt the following technical solutions, but the embodiments are not limited to the following solutions:

Solution 1, a water preparation system, comprising:

Water inlet valve,

A pure water tank having a first water inlet end, wherein the first water inlet end is connected to an output end of the water inlet valve;

A heating device, the input end of which is connected to the output end of the pure water tank;

A first sterilizer, whose input end is connected to the output end of the heating device, and has a first water outlet and a second water outlet, wherein the first water outlet is connected to the water inlet valve;

A water intake valve, an input end of which is connected to the second water outlet end.

Solution 2, based on Solution 1, further includes a second sterilizer and a water inlet filter, and the output end of the water inlet valve, the second sterilizer, the water inlet filter and the first water inlet end of the pure water tank are connected in sequence.

Solution three, based on solution one, further includes a polishing resin tank, a water supply filter and an ultrafiltration membrane, and the second water outlet, the polishing resin tank, the water supply filter, the ultrafiltration membrane and the water intake valve are connected in sequence.

Option 4, based on Option 3, the pure water tank has a second water inlet end, the ultrafiltration membrane has a first discharge end and a second discharge end, the first discharge end is connected to the water intake valve; the second discharge end is connected to the second water inlet end.

Solution 5, based on Solution 3, the pure water tank has a third water inlet end, the ultrafiltration membrane has a first discharge end, and the first discharge end is connected to the water intake valve and the third water inlet end in sequence.

Option six, based on Option five, also includes a spray ball, which is installed at the third water inlet end.

Solution seven, based on Solution three, also includes a reversing valve, wherein the reversing valve is located between the second water outlet and the polishing resin tank.

Option 8, based on Option 1, further includes a drain valve, which is located between the first water outlet and the water inlet valve, and switches the water path so that the first water outlet, the drain valve, and the water inlet valve are connected in sequence, or the first water outlet, the drain valve and the drain pipe are connected in sequence.

Option nine, based on Option one, also includes a water supply pump, wherein the water supply pump is located between the pure water tank and the heating device.

From the above description of the utility model and its preferred embodiments, it can be seen that, compared with the prior art, the technical solution of the utility model and its preferred embodiments have the following beneficial effects due to the adoption of the following technical means:

1. A water preparation system, comprising a water inlet valve, a pure water tank, a heating device, a first sterilizer and a water intake valve; the water inlet valve is used to communicate with an external pipeline to allow purified water to enter the water preparation system, the pure water tank has a first water inlet end, the first water inlet end is connected to the output end of the water inlet valve; the input end of the heating device is connected to the output end of the pure water tank; it is used to heat and sterilize the pure water; the first sterilizer is used for further sterilization, the input end of the first sterilizer is connected to the output end of the heating device, and it has a first water outlet end, which is connected to the water inlet valve; the significance of this bypass is to ensure that there is no dead water at the water inlet end of the pure water tank, and the water inlet end of the pure water tank is disinfected synchronously to achieve a sterilization effect. The first sterilizer is also provided with a second initial end, and the input end of the water intake valve is connected to the second water outlet end, so that it can be used by users after sterilization.

2. In scheme 2 and its preferred embodiment, the output end of the water inlet valve, the second sterilizer, the water inlet filter and the first water inlet end of the pure water tank are connected in sequence to realize water inlet control, wherein the second sterilizer is used for sterilization, and the water inlet filter is used for filtering impurities, so as to sterilize and filter the water entering the pure water tank.

3. In scheme three and its preferred embodiment, the second water outlet of the first sterilizer, the polishing resin tank, the water supply filter, the ultrafiltration membrane and the water intake valve are connected in sequence, wherein the polishing resin tank is used to improve the water quality, the water supply filter is used for filtration, and the ultrafiltration membrane is used for further filtration to make the water quality better.

4. In the fourth scheme and its preferred embodiment, the pure water tank has a second water inlet end, the ultrafiltration membrane has a second discharge end, and the second discharge end is connected to the second water inlet end. The purpose of this bypass is to ensure the service life of the ultrafiltration membrane. The ultrafiltration membrane has a first discharge end, and the first discharge end is connected to the water intake valve for customer use.

5. In scheme five and its preferred embodiment, the pure water tank has a third water inlet end, and the ultrafiltration membrane has a first discharge end. The first discharge end is connected to the water intake valve and the third water inlet end in sequence, and then circulates back to the pure water tank to ensure that the entire system circulates without generating dead water, thereby preventing the growth of bacteria.

6. Option 6 and its preferred embodiment further include a spray ball, which is installed at the third water inlet end. The spray ball sprays and cleans the interior of the pure water tank to prevent the growth of microorganisms.

7. In scheme seven and its preferred embodiment, the reversing valve is located between the second water outlet and the polishing resin tank to control whether pure water enters the polishing resin tank.

8. In the eighth scheme and its preferred embodiment, the drain valve is located between the first water outlet and the water inlet valve. When disinfection is in progress, the drain valve switches the water path so that the first water outlet, the drain valve, and the water inlet valve are connected in sequence, ensuring that there is no dead water at the water inlet of the pure water tank;

When the disinfection time is reached, the drain valve is opened to connect the first water outlet of the first sterilizer, the drain valve and the drain pipe in sequence until the water in the pure water tank is emptied and the disinfection is completed. The drain valve realizes two functions, which reduces the cost and occupies less space.

9. In scheme nine and its preferred embodiment, the water supply pump is located between the pure water tank and the heating device to provide kinetic energy to the entire system and achieve circulation.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

FIG. 1 is a system circuit diagram of a water preparation system in Example 1.

Description of main reference numerals:

Water inlet valve 1, pure water tank 2, heating device 3, first sterilizer 4, water intake valve 5, second sterilizer 6; water inlet filter 7, polishing resin tank 8, water supply filter 9, ultrafiltration membrane 10, spray ball 11, reversing valve 12, drain valve 13, water supply pump 14;

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are preferred embodiments of the utility model and should not be regarded as excluding other embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

In the claims, specification and the above-mentioned drawings of the utility model, unless otherwise clearly defined, the use of terms such as "first", "second" or "third" etc. is to distinguish different objects rather than to describe a specific order.

In the claims, specification and the above-mentioned drawings of the utility model, unless otherwise explicitly defined, directional words, such as the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise", etc., indicating directions or positional relationships are based on the directions and positional relationships shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the specific protection scope of the invention.

In the claims, specification and the above drawings of the utility model, unless otherwise clearly defined, if the term "fixed connection" or "fixed connection" is used, it should be understood in a broad sense, that is, any connection method without a displacement relationship and relative rotation relationship between the two, that is to say, including non-detachable fixed connection, detachable fixed connection, integrated connection and fixed connection through other devices or elements.

In the claims, specification and drawings of the present utility model, if the terms "include", "have" and their variations are used, they are intended to mean "including but not limited to".

A water preparation system includes a water inlet valve 1, a pure water tank 2, a heating device 3, a first sterilizer 4, a water intake valve 5, a second sterilizer 6 and a water inlet filter 7, a polishing resin tank 8, a water supply filter 9, an ultrafiltration membrane 10, a spray ball 11, a reversing valve 12, a drain valve 13, and a water supply pump 14.

The water inlet valve 1 is used to communicate with an external pipeline to allow purified water to enter the water preparation system. In this embodiment, the water inlet valve 1 has two input ends and one output end. The two input ends of the water inlet valve 1 are respectively connected to the external pipeline and the drain valve 13.

The second sterilizer 6 is used for sterilization. In this embodiment, the second sterilizer 6 is an ultraviolet lamp. The input end of the second sterilizer 6 is connected to the output end of the water inlet valve 1.

The water inlet filter 7 is used to filter impurities, and the input end of the water inlet filter 7 is connected to the output end of the second sterilizer 6 .

The pure water tank 2 has a first water inlet end, a second water inlet end and a third water inlet end. The first water inlet end is connected to the output end of the water inlet filter 7, so that the first water inlet end is connected to the output end of the water inlet valve 1.

The water supply pump 14 is located between the pure water tank 2 and the heating device 3 to provide kinetic energy to the entire system and realize circulation. The input end of the water supply pump 14 is connected to the output end of the pure water tank 2.

The heating device 3 is used to heat and sterilize the pure water. The input end of the heating device 3 is connected to the output end of the water supply pump 14 , so that the input end of the heating device 3 is connected to the output end of the pure water tank 2 .

The first sterilizer 4 is used for further sterilization. In this embodiment, the first sterilizer 4 is an ultraviolet lamp. The input end of the first sterilizer 4 is connected to the output end of the heating device 3. The first sterilizer 4 has a first water outlet and a second water outlet. The first water outlet is connected to the water inlet valve 1 through the drain valve 13.

The reversing valve 12 is located between the second water outlet of the first sterilizer 4 and the polishing resin tank 8 , and connects the second water outlet and the polishing resin tank 8 .

The polishing resin tank 8 is used to improve water quality. The input end of the polishing resin tank 8 is connected to the output end of the reversing valve 12. The polishing resin tank 8 can use DuPont ^™ AmberTec ^™ MR-3LC H/OH ion exchange resin. The number of polishing resin tanks 8 can be set to multiple, and multiple tanks are connected in series to better improve water quality.

The water supply filter 9 further filters the water, and the input end of the water supply filter 9 is communicated with the output end of the polishing resin tank 8. The output end of the water supply filter 9 is communicated with the input end of the ultrafiltration membrane 10.

The ultrafiltration membrane 10 has a first discharge end and a second discharge end. The first discharge end is connected to the water intake valve 5 and the third water inlet end in sequence; the second discharge end is directly connected to the second water inlet end.

The input end of the water intake valve 5 is connected to the ultrafiltration membrane 10 , so that the input end of the water intake valve 5 is connected to the second water outlet end of the first sterilizer 4 .

The spray ball 11 is installed at the third water inlet end. When water enters the third water inlet end, the water passes through the spray ball 11 to spray and clean the interior of the pure water tank 2 to prevent the growth of microorganisms.

The drain valve 13 is located between the first water outlet of the first sterilizer 4 and the water inlet valve 1, and the water path is switched so that the first water outlet, the drain valve 13, and the water inlet valve 1 are connected in sequence, or the first water outlet, the drain valve 13, and the drain pipe are connected in sequence. The drain valve 13 has a water inlet end and two water outlet ends. The water inlet end of the drain valve 13 is connected to the first water outlet end, and the two water outlet ends of the drain valve 13 are connected to the drain pipe and the water inlet end of the water inlet valve 1, respectively.

Water inlet control:

The output end of the water inlet valve 1, the second sterilizer 6, the water inlet filter 7 and the first water inlet end of the pure water tank 2 are connected in sequence to realize water inlet control. Specifically, purified water comes in, passes through the water inlet valve 1, flows through the second sterilizer 6, and then passes through the water inlet filter 7 to enter the pure water tank 2 to fill the pure water tank 2. This step sterilizes and filters the water entering the pure water tank 2.

Water supply operation and disinfection system:

After the water in the pure water tank 2 comes out, it is pressurized by the water supply pump 14, passes through the heating device 3, and enters the first sterilizer 4 for sterilization. The water from the first sterilizer 4 is divided into two paths: the first path passes through the drain valve 13, flows to the water inlet valve 1, and then enters the pure water tank 2. The purpose of this bypass is to ensure that there is no dead water at the water inlet end of the pure water tank 2, and the water inlet end of the pure water tank 2 is disinfected synchronously to achieve a sterilization effect; the second path passes through the reversing valve 12, flows through the polishing resin tank 8 to improve the water quality, and then passes through the water supply filter 9 to filter, enter the ultrafiltration membrane 10, and then comes out in two paths: the first path of water is directly transported It goes to the customer's water intake valve 5 and then circulates back to the pure water tank 2, so that the spray ball 11 sprays and cleans the inside of the pure water tank 2 to prevent the growth of microorganisms. At this time, the water intake valve 5 is opened and the user can use the sterilized water; the second way comes out from the discharge port of the ultrafiltration membrane 10 and directly returns to the pure water tank 2. The purpose of this bypass is to ensure the service life of the ultrafiltration membrane 10; this process realizes thermal disinfection of all the pipes in the whole system. When the disinfection time is reached, the drain valve 13 is opened until the water in the pure water tank 2 is emptied and replenished with fresh pure water, and the disinfection is completed.

The water preparation system of this embodiment has various microbial control methods, and can achieve antibacterial sterilization through multiple sterilizations; and can simultaneously sterilize the water inlet end to achieve sterilization of the entire system without dead corners. The drain valve 13 can achieve two functions, making the cost lower and occupying less space.

The description of the above specification and embodiments is used to explain the protection scope of the utility model, but does not constitute a limitation on the protection scope of the utility model. Through the enlightenment of the utility model or the above embodiments, ordinary technicians in this field can obtain modifications, equivalent replacements or other improvements to the embodiments of the utility model or part of the technical features thereof through logical analysis, reasoning or limited experiments, which should be included in the protection scope of the utility model.

Claims (9)

1. A water preparation system, characterized by: comprising

A water inlet valve (1),

A pure water tank (2) having a first water inlet end which communicates with the output end of the water inlet valve (1);

The input end of the heating device (3) is communicated with the output end of the pure water tank (2);

The input end of the first sterilizer (4) is communicated with the output end of the heating device (3) and is provided with a first water outlet end and a second water outlet end, and the first water outlet end is communicated with the water inlet valve (1);

And the input end of the water taking valve (5) is communicated with the second water outlet end.

2. A water preparation system as claimed in claim 1, wherein: the water purifier further comprises a second sterilizer (6) and a water inlet filter (7), wherein the output end of the water inlet valve (1), the second sterilizer (6), the water inlet filter (7) and the first water inlet end of the pure water tank (2) are sequentially communicated.

3. A water preparation system as claimed in claim 1, wherein: the water-taking device further comprises a polishing resin tank (8), a water supply filter (9) and an ultrafiltration membrane (10), wherein the second water outlet end is sequentially communicated with the polishing resin tank (8), the water supply filter (9), the ultrafiltration membrane (10) and the water-taking valve (5).

4. A water preparation system as claimed in claim 3, wherein: the pure water tank (2) is provided with a second water inlet end, the ultrafiltration membrane (10) is provided with a first discharge end and a second discharge end, and the first discharge end is communicated with the water taking valve (5); the second discharge end is in communication with the second water inlet end.

5. A water preparation system as claimed in claim 3, wherein: the pure water tank (2) is provided with a third water inlet end, the ultrafiltration membrane (10) is provided with a first discharge end, and the first discharge end is sequentially communicated with the water taking valve (5) and the third water inlet end.

6. A water preparation system as claimed in claim 5, wherein: the water inlet device further comprises a spray ball (11), and the spray ball (11) is arranged at the third water inlet end.

7. A water preparation system as claimed in claim 3, wherein: the polishing device further comprises a reversing valve (12), wherein the reversing valve (12) is positioned between the second water outlet end and the polishing resin tank (8).

8. A water preparation system as claimed in claim 1, wherein: the water outlet valve is characterized by further comprising a water outlet valve (13), wherein the water outlet valve (13) is positioned between the first water outlet end and the water inlet valve (1), and waterways are switched to enable the first water outlet end, the water outlet valve (13) and the water inlet valve (1) to be sequentially communicated, or the first water outlet end, the water outlet valve (13) and the water outlet pipe are sequentially communicated.

9. A water preparation system as claimed in claim 1, wherein: the water supply pump (14) is arranged between the pure water tank (2) and the heating device (3).