CN213924301U

CN213924301U - Water supply balance system of water production equipment for hemodialysis

Info

Publication number: CN213924301U
Application number: CN202022137515.XU
Authority: CN
Inventors: 阮安
Original assignee: Wuhan Qicheng Biological Technology Co ltd
Current assignee: Wuhan Qicheng Biological Technology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-08-10
Anticipated expiration: 2030-09-25

Abstract

The utility model relates to a system water supply balance system of water preparation equipment for hemodialysis, including the sand filter, the rear end of sand filter is connected with the demineralizer, the rear end of demineralizer is connected with precision filter, precision filter's rear end is connected with the water tank, the front end of sand filter is connected with the buffer tank, the front end of buffer tank is connected with the water pump, the inside of buffer tank is provided with flowing water chamber, cushion chamber, flowing water chamber with be provided with sealed piston between the cushion chamber, the top of sealed piston is fixed with the guide post, be fixed with the uide bushing on the roof of cushion chamber, the guide post embedding is in the inside of uide bushing, sealed piston with be connected with extension spring between the roof of cushion chamber. The water supply balancing system of the water preparation device for hemodialysis has good water supply quality and stable operation.

Description

Water supply balance system of water production equipment for hemodialysis

Technical Field

The utility model belongs to the technical field of system water equipment technique and specifically relates to a system water supply balance system is used in hemodialysis is related to hemodialysis.

Background

Dialysis (dialysis) is a separation and purification technique that separates small molecules from biological macromolecules by the principle of diffusion of small molecules through a semi-permeable membrane into water (or buffer). Dialysis is a treatment method in which components (solutes or moisture) in a body fluid are discharged to the outside of the body through a semipermeable membrane, and is generally classified into hemodialysis and peritoneal dialysis.

99.3% of the dialysate during hemodialysis treatment was water. During the dialysis, each patient will be filtered by 15000-30000L of water one year. The dialysis patient is directly connected with water, and the patient can be injured by a small error. The water supply balance system is the rear end part of the whole hemodialysis liquid, the water supply balance system completes the pretreatment of raw water, and the water obtained by the pretreatment is subjected to the water blending balance system to obtain the hemodialysis water, namely the dialysate. The current water supply balance system mainly has the problems of unstable system operation, poor water supply quality and the like. Therefore, a water supply balance system of a water preparation device for hemodialysis, which has good water quality and stable operation, is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a water supply balance system of water preparation equipment for hemodialysis that water quality of supplying water is good, the operation is stable to the technical problem who exists among the prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a system of making water equipment water supply balance system for hemodialysis, includes the sand filter, the rear end of sand filter is connected with the demineralizer, the rear end of demineralizer is connected with precision filter, precision filter's rear end is connected with the water tank, the front end of sand filter is connected with the buffer tank, the front end of buffer tank is connected with the water pump, the inside of buffer tank is provided with flowing water chamber, cushion chamber, flowing water chamber with be provided with sealed piston between the cushion chamber, the top of sealed piston is fixed with the guide post, be fixed with the uide bushing on the roof of cushion chamber, the guide post embedding is in the inside of uide bushing, sealed piston with be connected with extension spring between the roof of cushion chamber.

Preferably, in the water supply balancing system of the water production device for hemodialysis, two sides of the interior of the running water cavity are provided with the limiting blocks, which are suitable for limiting the stroke of the sealing piston.

Preferably, the water supply balancing system of the water production device for hemodialysis comprises a guide post and a guide sleeve, wherein the guide post is movably connected with the guide sleeve.

Preferably, foretell water preparation equipment water supply balance system for hemodialysis, wherein the left side of sand filter is provided with dress filter material mouth for to the filter material of packing into in the sand filter, the right side of sand filter is provided with reserve mouthful, is suitable for use when adorning the filter material mouth and blockking up.

Preferably, the water supply balancing system of the water production device for hemodialysis comprises a sand filter, a water outlet and a water outlet, wherein the sand filter is provided with an air outlet at the top and is suitable for keeping the internal air pressure of the sand filter the same as that of the outside.

Preferably, the water balance system of the water production equipment for hemodialysis, wherein a valve is installed at the bottom of the sand filter.

Preferably, in the water supply balancing system of the water production device for hemodialysis, a float switch is installed in the water tank, and the float switch is adapted to keep the water level in the water tank stable.

The utility model has the advantages that: when the water supply balancing system of the water production equipment for hemodialysis is used, the water quality is better by filtering the water layer by layer through the sand filter, the softener and the precision filter. Install float switch in the water tank, float switch triggers the water pump and starts when the water level is less than the settlement water level in the water tank, filters at different levels through at least and carries water to the water tank in, and the water pump stop work when the water level in the water tank reaches and predetermines the water level to guarantee that the water level is stable in the water tank. When the water supply system or the water pump is abnormal, the sealing piston moves downwards or upwards, the pressure in the corresponding pipeline is buffered by compressing or expanding the gas in the buffer cavity, and the operation is stable. The water supply balancing system of the water preparation device for hemodialysis has good water supply quality and stable operation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal structure of the surge tank.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the water pump 2, the buffer tank 21, the water inlet 22, the water outlet 23, the water flowing cavity 24, the buffer cavity 25, the sealing piston 26, the extension spring 27, the limiting block 28, the guide sleeve 29, the guide column 3, the sand filter 31, the filter filling port 32, the exhaust port 33, the spare port 4, the softener 5, the precision filter 6, the water tank 7 and the valve.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in figure 1, the water supply balance system of the water production equipment for hemodialysis comprises a sand filter 3, a softener 4 is connected with the rear end of the sand filter 3, the softener 4 is RT2472 of WAVECYBER in UK, and the interior of the softener is filled with a positive resin. The rear end of the softener 4 is connected with a precision filter 5, the rear end of the precision filter 5 is connected with a water tank 6, the front end of the sand filter 3 is connected with a buffer tank 2, and the front end of the buffer tank 2 is connected with a water pump 1. Specifically, the water pump 1 conveys raw water to the buffer tank 2, the raw water enters the flowing water cavity 23 from the water inlet 21, flows out from the water outlet 22, enters the sand filter 3 from the top of the sand filter 3, the impurity is filtered by the sand filter 3, the water flows out from the bottom of the sand filter 3, and the valve 7 is installed at the bottom of the sand filter 3 to facilitate the on-off control of a pipeline. The left side of the sand filter 3 is provided with a filter material loading port 31 for loading filter material into the sand filter 3, and the right side of the sand filter 3 is provided with a standby port 33 suitable for being used when the filter material loading port 31 is blocked. The top of the sand filter 3 is provided with an air outlet 32 adapted to keep the internal air pressure of the sand filter 3 the same as the external one. The water flowing out of the bottom of the sand filter 3 enters the softener 4 for further purification and then enters the precision filter 5 for filtering part of harmful substances in the water again, and finally flows into the water tank 6, the water tank 6 is used for storing water, and the water in the water tank is used for water for a water making device for back-end hemodialysis. The water supply quality is good. Install float switch in the water tank 6, float switch is suitable for keeping water level in the water tank 6 stable, and specifically, float switch triggers water pump 1 to start when water level in the water tank 6 is less than the settlement water level, filters at different levels and carries water to the water tank 6 in, and water pump 1 stops working when the water level in the water tank 6 reaches the predetermined water level. To ensure stable operation.

As shown in fig. 2, a flowing water cavity 23 and a buffer cavity 24 are arranged inside the buffer tank 2, a sealing piston 25 is arranged between the flowing water cavity 23 and the buffer cavity 24, a guide post 29 is fixed on the top of the sealing piston 25, a guide sleeve 28 is fixed on the top wall of the buffer cavity 24, the guide post 29 is embedded inside the guide sleeve 28, and the guide post 29 is movably connected with the guide sleeve 28. An extension spring 26 is connected between the sealing piston 25 and the top wall of the buffer cavity 24, and two sides of the interior of the water flowing cavity 23 are provided with limit blocks 27 suitable for limiting the stroke of the sealing piston 25. The tension of the tension spring 26 is equal to the gravity of the guide post 29 and the sealing piston 25 in the initial stage, and when the water supply system or the water pump 1 is abnormal, the sealing piston 25 moves downwards or upwards, the pressure in the corresponding pipeline is buffered by compressing or expanding the gas in the buffer cavity 24, and the operation is stable.

When the water supply balancing system of the water production equipment for hemodialysis is used, the water is filtered layer by layer through the sand filter 3, the softener 4 and the precision filter 5, so that the water quality is better. Install float switch in the water tank 6, float switch triggers water pump 1 to start when the water level is less than the settlement water level in the water tank 6, filters at different levels and carries water to the water tank 6 in, and water pump 1 stop work when the water level in the water tank 6 reaches the water level of predetermineeing to guarantee that the water level is stable in the water tank 6. When the water supply system or the water pump 1 is abnormal, the sealing piston 25 moves downwards or upwards, the pressure in the corresponding pipeline is buffered by compressing or expanding the gas in the buffer cavity 24, and the operation is stable. The water supply balancing system of the water preparation device for hemodialysis has good water supply quality and stable operation.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" 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 invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a system for water supply balance of water preparation equipment for hemodialysis which characterized in that: comprises a sand filter (3), the back end of the sand filter (3) is connected with a softener (4), the rear end of the softener (4) is connected with a precision filter (5), the rear end of the precision filter (5) is connected with a water tank (6), the front end of the sand filter (3) is connected with a buffer tank (2), the front end of the buffer tank (2) is connected with a water pump (1), a flowing water cavity (23) and a buffer cavity (24) are arranged in the buffer tank (2), a sealing piston (25) is arranged between the flowing water cavity (23) and the buffer cavity (24), a guide post (29) is fixed on the top of the sealing piston (25), a guide sleeve (28) is fixed on the top wall of the buffer cavity (24), the guide post (29) is embedded in the guide sleeve (28), and an extension spring (26) is connected between the sealing piston (25) and the top wall of the buffer cavity (24).

2. The water supply balance system of a water production apparatus for hemodialysis according to claim 1, wherein: and two sides of the inside of the flowing water cavity (23) are provided with limiting blocks (27) which are suitable for limiting the stroke of the sealing piston (25).

3. The water supply balance system of a water production apparatus for hemodialysis according to claim 1, wherein: the guide post (29) is movably connected with the guide sleeve (28).

4. The water supply balance system of a water production apparatus for hemodialysis according to claim 1, wherein: the left side of sand filter (3) is provided with dress filter material mouth (31) for to the filter material of packing into in sand filter (3), the right side of sand filter (3) is provided with reserve mouth (33), is suitable for and uses when dress filter material mouth (31) blocks up.

5. The water supply balance system of a water production apparatus for hemodialysis according to claim 1, wherein: the top of the sand filter (3) is provided with an air outlet (32) which is suitable for keeping the internal air pressure of the sand filter (3) the same as the external air pressure.

6. The water supply balance system of a water production apparatus for hemodialysis according to claim 1, wherein: and a valve (7) is arranged at the bottom of the sand filter (3).

7. The water supply balance system of a water production apparatus for hemodialysis according to claim 1, wherein: and a float switch is arranged in the water tank (6), and is suitable for keeping the water level in the water tank (6) stable.