Disinfection system of hemodialysis concentrated solution central supply system

Abstract

The utility model provides a disinfection system of a hemodialysis concentrated solution central supply system, and belongs to the technical field of stirring equipment. Comprising a dissolving tank, an RO water outlet pipe and a dialysate outlet pipe are connected to the dissolving tank, a third water pump and a first electronic valve are sequentially connected to the dialysate outlet pipe, a quantitative feeding hopper is arranged at the top of the dissolving tank, and a first disinfection branch pipe is arranged on one side of the dissolving tank; one end of the first disinfection branch pipe is connected with the dialysate outlet pipe between the third water pump and the first electronic valve, the other end of the first disinfection branch pipe extends to the position above the quantitative feeding hopper and is connected with a spray head facing the interior of the quantitative feeding hopper, and a second electronic valve is arranged on the first disinfection branch pipe. When the dissolving tank is disinfected, disinfectant is pumped into the quantitative feeding hopper from the dissolving tank, the inner wall of the quantitative feeding hopper is disinfected and cleaned, and the effect of effectively keeping the dissolver clean and sanitary is achieved.

Description

Technical Field

[0001] This utility model relates to the field of stirring equipment technology, and in particular to a disinfection system for a central supply system of hemodialysis concentrate. Background Technology

[0002] Hemodialysis concentrate is the core solution in dialysis treatment, used to regulate the electrolyte and acid-base balance of the dialysate, ensuring that toxins and excess water in the patient's blood are effectively removed. It consists of two solutions: Solution A (acidic concentrate) and Solution B (bicarbonate concentrate), which usually need to be diluted according to a specific ratio before use. In preparing Solution A, sodium chloride, potassium chloride, calcium chloride, magnesium chloride, etc., must first be weighed according to the standard formula to ensure that the purity of the raw materials meets medical standards. Then, reverse osmosis water (RO water) is used to dissolve the raw materials, stirring until completely dissolved.

[0003] Currently, when preparing dialysis solution, dialysis powder is dissolved in RO water according to a pre-mixed ratio. The equipment for dissolving the dialysis powder is usually a dissolver. After the dialysis work is completed in the hospital each day, disinfectant is usually introduced into the system. The disinfectant is used to disinfect the system by passing through the tank and pipeline. However, the container on the dissolver that holds and weighs the disinfectant is frequently exposed to the outside environment, and the disinfectant in the dissolver cannot reach this level. Therefore, the container must be disinfected and cleaned manually by the staff, which is inefficient. Utility Model Content

[0004] In view of the above problems, this utility model provides a disinfection system for a central supply system of hemodialysis concentrate.

[0005] To achieve the above-mentioned objectives, the technical solution adopted by this utility model is as follows:

[0006] A disinfection system for a central supply system of hemodialysis concentrate is provided, comprising a water tank, a dissolving tank, a constant pressure tank, and a disinfectant storage tank. The water tank is connected to an RO water inlet pipe and an RO water outlet pipe. A first water pump is installed on the RO water inlet pipe. A fourth water pump and a fourth electronic valve are sequentially installed on the RO water outlet pipe in the direction away from the water tank. A disinfection main pipe is installed on the disinfectant storage tank. The disinfection main pipe is connected to the side of the first water pump away from the water tank on the RO water inlet pipe. A fifth electronic valve is installed on the disinfection main pipe.

[0007] The RO water outlet pipe is connected to the side wall of the dissolving tank. The bottom of the dissolving tank is connected to the dialysate outlet pipe. The dialysate outlet pipe is connected in sequence to the third water pump and the first electronic valve along the direction away from the dissolving tank. The top of the dissolving tank is equipped with a metering hopper, and the bottom of the metering hopper is connected to the dissolving tank.

[0008] A first disinfection branch pipe is provided on one side of the dissolving tank. One end of the first disinfection branch pipe is connected to the dialysate outlet pipe between the third water pump and the first electronic valve, and the other end extends to the top of the quantitative feeding hopper and is connected to a first nozzle facing into the quantitative feeding hopper. A second electronic valve is provided on the first disinfection branch pipe.

[0009] The dialysis fluid outlet pipe is connected to the constant pressure tank. The bottom of the constant pressure tank is equipped with a supply pipe, and a fifth water pump is installed on the supply pipe. The supply pipe is connected to multiple branch pipes, which are connected to the dialysis machines of each patient bed.

[0010] It also includes waste discharge pipes, RO water outlet pipes, dialysis fluid outlet pipes and supply pipes, all of which are connected to drain pipes, and each drain pipe is equipped with a sixth electronic valve.

[0011] Furthermore, a connecting bend is rotatably provided at the top of the first disinfection branch pipe, and a spray pipe is connected to the end of the connecting bend pipe away from the first disinfection branch pipe. Multiple first spray nozzles are connected to the spray pipe at circumferential intervals.

[0012] Furthermore, the discharge end of the quantitative feeding hopper is equipped with an electronic gate for opening and closing the discharge end of the quantitative feeding hopper.

[0013] Furthermore, the quantitative feeding hopper includes a hopper and a screw extruder. The top of the dissolving tank is equipped with a feed pipe, the bottom of the hopper is connected to the feed end of the screw extruder, and the discharge end of the screw extruder is connected to a discharge pipe. The discharge pipe slides vertically through the feed pipe. The hopper and the screw extruder are connected to the dissolving tank through a weighing sensor.

[0014] Furthermore, the stirring assembly includes a drive motor and stirring blades. A rotating shaft is coaxially arranged inside the dissolving tank, and the stirring blades are fixedly mounted on the rotating shaft. The drive motor is used to drive the rotating shaft to rotate.

[0015] Furthermore, a second disinfection branch pipe is connected to the first disinfection branch pipe between the second valve and the third water pump. The other end of the second disinfection branch pipe extends into the dissolving tank and is connected to a second nozzle facing the top wall of the dissolving tank. A third electronic valve is installed on the second disinfection branch pipe.

[0016] Furthermore, one end of the second disinfection branch pipe extending into the dissolving tank is connected to an annular channel. The annular channel is coaxially fitted onto the rotating shaft, and a rotating ring is coaxially rotatably mounted on the annular channel. The second nozzle is mounted on the rotating ring, and the axis of the outlet end of the second nozzle intersects with the axis of the rotating shaft. Multiple second nozzles are evenly spaced along the circumference of the rotating ring, and the second disinfection branch pipe is connected to each second nozzle through the annular channel.

[0017] The beneficial effects of this utility model are as follows: When disinfecting the dissolving tank, disinfectant is introduced into the dissolving tank through the RO water outlet pipe. The disinfectant soaks the inner wall of the dissolving tank to disinfect it. By closing the first electronic valve, opening the second electronic valve, and turning on the third water pump, the disinfectant in the dissolving tank can be pumped into the metering hopper to disinfect and clean the inner wall of the metering hopper, effectively preventing the growth of bacteria in the metering hopper and effectively keeping the dissolving tank clean and hygienic. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the disinfection system according to an embodiment of this application.

[0019] Figure 2 This is a schematic diagram of the overall structure of the dissolver according to an embodiment of this application.

[0020] Figure 3 This is a schematic diagram of the internal cross-sectional structure of the dissolving tank according to an embodiment of this application.

[0021] The components include: 1. Dissolving tank; 11. RO water outlet pipe; 12. Dialysis fluid outlet pipe; 13. Third water pump; 14. First electronic valve; 15. Feed pipe; 16. Weighing sensor; 21. Hopper; 22. Screw extruder; 3. Stirring assembly; 31. Drive motor; 32. Stirring blades; 4. First disinfection branch pipe; 41. First nozzle; 42. Second electronic valve; 43. Connecting bend pipe; 44. Spray pipe; 5. Second disinfection branch pipe. Pipe; 51. Second nozzle; 52. Third electronic valve; 53. Circular channel; 54. Rotating ring; 61. Water tank; 62. RO water inlet pipe; 63. First water pump; 64. Fourth water pump; 65. Fourth electronic valve; 71. Constant pressure tank; 72. Liquid supply pipe; 73. Fifth water pump; 81. Disinfectant storage tank; 82. Disinfection main pipe; 83. Fifth electronic valve; 91. Waste discharge pipe; 92. Drain pipe; 93. Sixth electronic valve. Detailed Implementation

[0022] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0023] This application discloses a disinfection system for a central supply system of hemodialysis concentrate, referring to... Figure 1 , Figure 2 and Figure 3The system includes a water tank 61, a dissolving tank 1, and a constant pressure tank 71 connected in sequence. The water tank 61 is connected to an RO water inlet pipe 62 and an RO water outlet pipe 11. A first water pump 63 is installed on the RO water inlet pipe 62, which is connected to a reverse osmosis water pump. A fourth water pump 64 and a fourth electronic valve 65 are sequentially installed on the RO water outlet pipe 11 away from the water tank 61. The end of the RO water outlet pipe 11 away from the water tank 61 is connected to the side wall of the dissolving tank 1. A dialysate outlet pipe 12 is connected to the bottom of the dissolving tank 1, and a third water pump 13 and a first electronic valve 14 are sequentially connected to the dialysate outlet pipe 12 away from the dissolving tank 1. A metering hopper is located at the top of the dissolving tank 1, with its bottom connected to the dissolving tank 1. The metering hopper is used to hold dialysis powder, weighing and discharging the dialysis powder in a metered manner.

[0024] The end of the dialysate outlet pipe 12 furthest from the dissolving tank 1 is connected to the constant pressure tank 71. A supply pipe 72 is connected to the bottom of the constant pressure tank 71, and a fifth water pump 73 is installed on the supply pipe 72. The supply pipe 72 is connected to multiple branch pipes, which are connected to the dialysis machines of each patient bed. The water tank 61, dissolving tank 1, and constant pressure tank 71 constitute the dialysate supply system. The water tank 61 temporarily stores RO water. The dissolving tank 1 prepares the dialysate by mixing the RO water and dialysis powder. The constant pressure tank 71 stores the prepared dialysate and maintains pressure to supply it to the dialysis machines of each patient bed.

[0025] To disinfect the dialysate supply system, a disinfectant storage tank 81 and a waste drain pipe 91 are included. A disinfection main pipe 82 is connected to the disinfectant storage tank 81. The disinfection main pipe 82 is connected to the side of the first water pump 63 away from the water tank 61 on the RO water inlet pipe 62. A fifth electronic valve 83 is installed on the disinfection main pipe 82. Drain pipes 92 are connected to the RO water outlet pipe 11, the dialysate outlet pipe 12, and the supply pipe 72. Specifically, the drain pipes 92 are connected downstream of the fourth water pump 64, the third water pump 13, and the fifth water pump 73 on the RO water outlet pipe 11, the dialysate outlet pipe 12, and the supply pipe 72. A sixth electronic valve 93 is installed on each drain pipe 92. By opening the fifth electronic valve 83 and starting the first water pump 63, disinfectant can be pumped into the dialysate supply system, allowing the disinfectant to sequentially pass through the tanks and pipelines in the system to disinfect the dialysate supply system. After disinfection, by opening each of the sixth electronic valves 93, the disinfectant can be discharged from the drain pipe 92 to the waste discharge pipe 91. A first disinfection branch pipe 4 is provided on one side of the dissolving tank 1. One end of the first disinfection branch pipe 4 is connected to the dialysate outlet pipe 12 between the third water pump 13 and the first electronic valve 14, and the other end extends to the top of the metering hopper and is connected to a first nozzle 41 facing into the metering hopper. A second electronic valve 42 is provided on the first disinfection branch pipe 4. By closing the first electronic valve 14, opening the second electronic valve 42, and then starting the third water pump 13, the liquid in the dissolving tank 1 can be pumped back to the metering hopper. During the disinfection process in the dissolving tank 1, the disinfectant in the dissolving tank 1 can be pumped back to the metering hopper to thoroughly clean the inner wall of the metering hopper.

[0026] Specifically, the quantitative feeding hopper includes a hopper 21 and a screw extruder 22. The top of the dissolving tank 1 is equipped with a feed pipe 15. The bottom end of the hopper 21 is connected to the feed end of the screw extruder 22, and the discharge end of the screw extruder 22 is connected to a discharge pipe, which slides vertically through the feed pipe 15. A support is provided at the top of the dissolving pipe, and a weighing sensor 16 is mounted on the support. The hopper 21 and the screw extruder 22 are connected to the dissolving tank 1 via the weighing sensor 16. The weighing sensor 16 is used to monitor the weight change of the quantitative feeding hopper in real time, thereby achieving quantitative output of the dialysis powder.

[0027] An electronic valve is connected to the discharge end of the quantitative feeding hopper, i.e., the discharge pipe. By closing the electronic valve, the quantitative feeding hopper can hold dialysis fluid during the process of adding disinfectant to the quantitative feeding hopper. The dialysis fluid fills the quantitative feeding hopper 21, thus achieving comprehensive disinfection of the quantitative feeding hopper 21 and the screw conveyor.

[0028] The stirring assembly 3 includes a drive motor 31 and a stirring blade 32. A rotating shaft is coaxially arranged inside the dissolving tank 1, and the stirring blade 32 is fixedly arranged on the rotating shaft. The stirring blade 32 is located inside the dissolving tank 1. The drive motor 31 is used to drive the rotating shaft to rotate. By rotating the stirring blade 32 inside the dissolving tank 1, the dissolution of dialysis powder can be accelerated.

[0029] Furthermore, a connecting bend 43 is horizontally rotatably connected to the top of the first disinfection branch pipe 4. The connecting bend 43 is connected to the first disinfection branch pipe 4, and a spray pipe 44 is connected to the end of the connecting bend 43 away from the first disinfection branch pipe 4. The spray pipe 44 is annular, and the connecting bend 43 is connected to the spray pipe 44. Multiple first nozzles 41 are connected to the spray pipe 44 at circumferential intervals. By rotating the connecting bend 43, the spray pipe 44 can be coaxially aligned with the top of the hopper 21, which can achieve comprehensive spray disinfection of the inner wall of the hopper 21. When adding dialysis powder to the hopper 21, the spray pipe 44 can also be rotated away from the top of the hopper 21.

[0030] A second disinfection branch pipe 5 is connected to the first disinfection branch pipe 4 between the second valve and the third water pump 13. The other end of the second disinfection branch pipe 5 extends into the dissolving tank 1 and is connected to a second nozzle 51 facing the top wall of the dissolving tank 1. By closing the second electronic valve 42 and then opening the third electronic valve 52, the disinfectant in the dissolving tank 1 can be sprayed out from the second nozzle 51 to disinfect and clean the top wall of the dissolving tank 1, thereby improving the cleaning effect of the dissolving tank 1.

[0031] Furthermore, one end of the second disinfection branch pipe 5 extending into the dissolving tank 1 is connected to an annular channel 53. The annular channel 53 is coaxially fitted onto the rotating shaft, and a rotating ring 54 is coaxially rotatably mounted on the annular channel 53. Second nozzles 51 are mounted on the rotating ring 54, with the outlet axis of the second nozzle 51 intersecting the axis of the rotating shaft. Multiple second nozzles 51 are evenly spaced along the circumference of the rotating ring 54. The second disinfection branch pipe 5 maintains communication with each second nozzle 51 through the annular channel 53. When disinfectant enters the rotating ring 54 through the second disinfection branch pipe 5 and is sprayed out from the second nozzles 51, the reaction force drives the rotating ring 54 to rotate, achieving comprehensive disinfection and cleaning of the inner wall of the dissolving tank 1.

[0032] Those skilled in the art will understand that although preferred embodiments of the present invention have been described, those skilled in the art, once they understand the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention. Clearly, those skilled in the art can make various alterations and modifications to the present invention without departing from its spirit and scope. Thus, if these modifications and modifications of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention also intends to include these modifications and modifications.

Claims

1. A disinfection system for a central supply system of hemodialysis concentrate, characterized in that: The system includes a water tank (61), a dissolving tank (1), a constant pressure tank (71), and a disinfectant storage tank (81). The water tank (61) is connected to an RO water inlet pipe (62) and an RO water outlet pipe (11). The RO water inlet pipe (62) is equipped with a first water pump (63). The RO water outlet pipe (11) is equipped with a fourth water pump (64) and a fourth electronic valve (65) in sequence along the direction away from the water tank (61). The disinfectant storage tank (81) is equipped with a disinfection main pipe (82). The disinfection main pipe (82) is connected to the side of the RO water inlet pipe (62) away from the water tank (61) from the first water pump (63). The disinfection main pipe (82) is equipped with a fifth electronic valve (83). The RO water outlet pipe (11) is connected to the side wall of the dissolving tank (1). The bottom of the dissolving tank (1) is connected to the dialysate outlet pipe (12). The dialysate outlet pipe (12) is connected in sequence to the third water pump (13) and the first electronic valve (14) along the direction away from the dissolving tank (1). The top of the dissolving tank (1) is provided with a quantitative feeding hopper. The bottom end of the quantitative feeding hopper is connected to the dissolving tank (1). The dissolving tank (1) is provided with a stirring assembly (3). A first disinfection branch pipe (4) is provided on one side of the dissolving tank (1). One end of the first disinfection branch pipe (4) is connected to the dialysate outlet pipe (12) between the third water pump (13) and the first electronic valve (14), and the other end extends to the top of the quantitative feeding hopper and is connected to a first nozzle (41) facing into the quantitative feeding hopper. A second electronic valve (42) is provided on the first disinfection branch pipe (4). The dialysis fluid outlet pipe (12) is connected to the constant pressure tank (71). The constant pressure tank (71) is provided with a supply pipe (72) at the bottom. A fifth water pump (73) is provided on the supply pipe (72). The supply pipe (72) is connected to multiple branch pipes, and the branch pipes are connected to the dialysis machines of each bed. It also includes a waste discharge pipe (91), and the RO water outlet pipe (11), the dialysis fluid outlet pipe (12) and the supply pipe (72) are all connected to a drain pipe (92), and each drain pipe (92) is equipped with a sixth electronic valve (93).

2. The disinfection system of a hemodialysis concentrate central supply system according to claim 1, characterized in that, The top end of the first disinfection branch pipe (4) is rotatably provided with a connecting bend pipe (43), and the end of the connecting bend pipe (43) away from the first disinfection branch pipe (4) is connected to a spray pipe (44), and a plurality of first nozzles (41) are connected in a circular interval on the spray pipe (44).

3. The disinfection system of a hemodialysis concentrate central supply system according to claim 1, characterized in that, The discharge end of the quantitative feeding hopper is equipped with an electronic gate for opening and closing the discharge end of the quantitative feeding hopper.

4. The disinfection system of a hemodialysis concentrate central supply system according to claim 3, characterized in that, The quantitative feeding hopper includes a hopper (21) and a screw extruder (22). The top of the dissolving tank (1) is provided with a feed pipe (15). The bottom end of the hopper (21) is connected to the feed end of the screw extruder (22). The discharge end of the screw extruder (22) is connected to a discharge pipe. The discharge pipe slides vertically through the feed pipe (15). The hopper (21) and the screw extruder (22) are connected to the dissolving tank (1) through a weighing sensor (16).

5. The disinfection system of a central supply system for hemodialysis concentrate according to claim 1, characterized in that, The stirring assembly (3) includes a drive motor (31) and stirring blades (32). A rotating shaft is coaxially arranged inside the dissolving tank (1). The stirring blades (32) are fixedly arranged on the rotating shaft. The drive motor (31) is used to drive the rotating shaft to rotate.

6. The disinfection system of a hemodialysis concentrate central supply system according to claim 5, characterized in that, A second disinfection branch pipe (5) is connected to the first disinfection branch pipe (4) between the second electronic valve (42) and the third water pump (13). The other end of the second disinfection branch pipe (5) extends into the dissolving tank (1) and is connected to a second nozzle (51) facing the top wall of the dissolving tank (1). A third electronic valve (52) is provided on the second disinfection branch pipe (5).

7. The disinfection system of a central supply system for hemodialysis concentrate according to claim 6, characterized in that, The second disinfection branch pipe (5) extends into the dissolving tank (1) and is connected to an annular channel (53). The annular channel (53) is coaxially sleeved on the rotating shaft. A rotating ring (54) is coaxially rotatably arranged on the annular channel (53). The second nozzle (51) is arranged on the rotating ring (54). The outlet end axis of the second nozzle (51) intersects with the axis of the rotating shaft. Multiple second nozzles (51) are evenly spaced along the circumference of the rotating ring (54). The second disinfection branch pipe (5) is connected to each second nozzle (51) through the annular channel (53).

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