Medical hemodialysis waste liquid purification equipment

Abstract

The medical hemodialysis waste liquid purification equipment comprises a purification tank, a precipitation hopper and a sealing cover, the purification tank is a hollow cavity with an opening in the upper end, the precipitation hopper is fixedly arranged below the purification tank, and the sealing cover is hinged to the upper portion of the purification tank. The purification tank is sequentially divided into a purification cavity, a driving cavity and a disinfection cavity from top to bottom, a connecting pipe is arranged in the driving cavity, the two ends of the connecting pipe are connected with the purification cavity and the disinfection cavity respectively, a filtering support is rotationally arranged in the purification cavity, a rotating shaft is arranged below the filtering support, and the lower end of the rotating shaft penetrates through the driving cavity and is rotationally arranged in the disinfection cavity; and a filter cartridge is arranged in the filter bracket. The utility model belongs to the technical field of medical equipment, and particularly provides medical hemodialysis waste liquid purification equipment which has the advantages that a filter cartridge is detachable, impurities on the side wall of the filter cartridge are convenient to clean, filtered waste liquid is disinfected through a disinfection cavity, the operation is convenient and fast, and the purification effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and specifically refers to medical hemodialysis waste liquid purification equipment. Background Art

[0002] Hemodialysis is one of the renal replacement therapies for patients with acute and chronic renal failure. It drains blood from the body to the outside of the body through a dialyzer composed of countless hollow fibers. The blood and electrolyte solution (dialysate) containing similar concentrations to the body are exchanged through diffusion / convection inside and outside the hollow fibers to remove metabolic wastes, maintain electrolyte and acid-base balance, and remove excess water from the body. The entire process of returning the purified blood is called hemodialysis. When patients undergo hemodialysis in the clinic, a lot of waste dialysate is generated.

[0003] The patent with the patent authorization announcement number CN208097046U proposes a medical hemodialysis waste liquid purification device, which filters the hemodialysis waste liquid through the filter membrane under the action of centrifugal force. However, after the rotating cylinder works for a long time, the impurities on the side wall of the filter membrane will accumulate more and more, and the operator needs to clean it, which increases the workload of the operator. Excessive residual impurities will also affect the filtering effect of the filter membrane. Therefore, a new type of medical hemodialysis waste liquid purification device is urgently needed to solve the above problems. Utility Model Content

[0004] In order to solve the above-mentioned existing problems, the utility model provides a medical hemodialysis waste liquid purification device with a detachable filter cartridge, which is convenient for cleaning impurities on the side wall of the filter cartridge and disinfecting the filtered waste liquid through a disinfection chamber. The operation is convenient and the purification effect is good.

[0005] The technical solution adopted by the utility model is as follows: The medical hemodialysis waste liquid purification equipment of the utility model includes a purification tank, a sedimentation hopper and a sealing cover. The purification tank is arranged in a hollow cavity with an upper end opening, the sedimentation hopper is fixedly arranged below the purification tank, and the sealing cover is hingedly arranged above the purification tank. The purification tank is divided into a purification chamber, a driving chamber and a disinfection chamber from top to bottom. A connecting pipe is arranged in the driving chamber, and the two ends of the connecting pipe are respectively connected to the purification chamber and the disinfection chamber. A filter bracket is rotatably arranged in the purification chamber, a rotating shaft is arranged below the filter bracket, and the lower end of the rotating shaft passes through the driving chamber and is rotatably arranged in the disinfection chamber. A filter cartridge is arranged in the filter bracket, and the side wall of the filter cartridge is arranged in a hollow shape, and a driving component is arranged in the driving chamber.

[0006] Furthermore, the filter bracket includes a support disc, a support ring and a support rod, the support disc is rotatably arranged in the lower end of the purification chamber, the support ring is arranged above the support disc, the support rod is fixed between the support disc and the support ring, and the upper end of the rotating shaft is fixedly connected to the center of the support disc.

[0007] Furthermore, the driving assembly includes a driving motor, a driving wheel, a transmission wheel and a transmission belt, the driving motor is fixed in the driving cavity, the driving wheel is arranged at the output end of the driving motor, the transmission wheel is fixed on the outside of the rotating shaft and on one side of the driving wheel, and the transmission belt is wound around the outside of the driving wheel and the transmission wheel.

[0008] Furthermore, a disinfectant storage tank is fixedly arranged outside the purification tank, a disinfection valve is arranged below the disinfectant storage tank, a disinfection pipe is arranged on one side of the disinfection valve, and both ends of the disinfection pipe are respectively connected to the disinfection valve and the disinfection chamber.

[0009] Furthermore, a drain valve is provided at one side of the lower end of the purification tank, one side of the drain valve is connected to a drain pipe, and a silt discharge valve is provided below the sedimentation hopper, one side of the silt discharge valve is connected to a silt discharge pipe.

[0010] Furthermore, a stirring rod is provided at the lower end of the rotating shaft, and the stirring rod is rotatably arranged in the disinfection chamber.

[0011] Furthermore, a connection hole is provided at the center of the sealing cover, and the connection hole passes through the sealing cover.

[0012] The beneficial effects achieved by the utility model using the above structure are as follows:

[0013] 1. The filter cartridge can be removed and placed in the filter bracket to facilitate cleaning of impurities on the side wall of the filter cartridge.

[0014] 2. The filtered waste liquid is disinfected through the disinfection chamber, which is easy to operate and has good purification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of the medical hemodialysis waste liquid purification equipment proposed for this scheme;

[0016] Figure 2 The schematic diagram of the structure of the medical hemodialysis waste liquid purification equipment proposed in this scheme;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the medical hemodialysis waste liquid purification equipment proposed in this plan.

[0018] The accompanying drawings are used to provide a further understanding of the utility model and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the utility model and do not constitute a limitation of the utility model. In the accompanying drawings: 1, purification tank, 2, sedimentation bucket, 3, sealing cover, 4, purification chamber, 5, drive chamber, 6, disinfection chamber, 7, connecting pipe, 8, filter bracket, 9, rotating shaft, 10, filter cartridge, 11, drive assembly, 12, support disc, 13, support ring, 14, support rod, 15, drive motor, 16, drive wheel, 17, transmission wheel, 18, transmission belt, 19, disinfectant storage tank, 20, disinfection valve, 21, disinfection pipe, 22, drain valve, 23, drain pipe, 24, silt discharge valve, 25, silt discharge pipe, 26, stirring rod, 27, connecting hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the 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.

[0020] like Figure 1 to Figure 3 As shown, the medical hemodialysis waste liquid purification equipment proposed in this scheme includes a purification tank 1, a sedimentation hopper 2 and a sealing cover 3. The purification tank 1 is arranged in a hollow cavity with an upper end opening, the sedimentation hopper 2 is fixedly arranged below the purification tank 1, and the sealing cover 3 is hingedly arranged above the purification tank 1. The purification tank 1 is divided into a purification chamber 4, a driving chamber 5 and a disinfection chamber 6 from top to bottom. A connecting pipe 7 is arranged in the driving chamber 5, and the two ends of the connecting pipe 7 are respectively connected to the purification chamber 4 and the disinfection chamber 6. A filter bracket 8 is rotatably arranged in the purification chamber 4, a rotating shaft 9 is arranged below the filter bracket 8, and the lower end of the rotating shaft 9 passes through the driving chamber 5 and is rotatably arranged in the disinfection chamber 6. A filter cartridge 10 is arranged in the filter bracket 8, and the side wall of the filter cartridge 10 is arranged in a hollow shape. A driving component 11 is arranged in the driving chamber 5.

[0021] like Figure 2 and Figure 3As shown, the filter bracket 8 includes a support disc 12, a support ring 13 and a support rod 14. The support disc 12 is rotatably arranged in the lower end of the purification chamber 4, the support ring 13 is arranged above the support disc 12, the support rod 14 is fixedly arranged between the support disc 12 and the support ring 13, the upper end of the rotating shaft 9 is fixedly connected to the center of the support disc 12, the driving assembly 11 includes a driving motor 15, a driving wheel 16, a transmission wheel 17 and a transmission belt 18, the driving motor 15 is fixedly arranged in the driving chamber 5, the driving wheel 16 is arranged at the output end of the driving motor 15, the transmission wheel 17 is fixedly arranged on the outside of the rotating shaft 9 and on one side of the driving wheel 16, and the transmission belt 18 is wound around the outside of the driving wheel 16 and the transmission wheel 17.

[0022] like Figure 1 and Figure 2 As shown, a disinfectant storage tank 19 is fixedly provided on the outside of the purification tank 1, a disinfection valve 20 is provided below the disinfectant storage tank 19, a disinfection pipe 21 is provided on one side of the disinfection valve 20, and both ends of the disinfection pipe 21 are respectively connected to the disinfection valve 20 and the disinfection chamber 6.

[0023] Among them, a drain valve 22 is provided on one side of the lower end of the purification tank 1, and a drain pipe 23 is connected to one side of the drain valve 22. A sludge discharge valve 24 is provided under the sedimentation hopper 2, and a sludge discharge pipe 25 is connected to one side of the sludge discharge valve 24. A stirring rod 26 is provided at the lower end of the rotating shaft 9, and the stirring rod 26 is rotatably arranged in the disinfection chamber 6. A connecting hole 27 is provided at the center of the sealing cover 3, and the connecting hole 27 passes through the sealing cover 3.

[0024] When in use, the dialysis machine is connected to the purification tank 1 through the connecting hole 27, the dialysis waste liquid is discharged into the filter cartridge 10, the driving motor 15 drives the driving wheel 16 to rotate, the rotating driving wheel 16 drives the driving wheel 17 to rotate through the transmission belt 18, thereby driving the rotating shaft 9 to rotate, and the rotating shaft 9 drives the filter cartridge 10 to rotate through the supporting disc 12. Under the action of centrifugal force, the filter cartridge 10 filters the hemodialysis waste liquid, and the filtered waste liquid flows from the purification chamber 4 to the disinfection chamber 6 along the connecting pipe 7. The disinfection valve 20 is opened, and the disinfectant in the disinfectant storage tank 19 flows into the disinfection chamber 6 along the disinfection pipe 21. When the rotating shaft 9 rotates, the stirring rod 26 at the lower end is driven to rotate in the disinfection chamber 6, so that the disinfectant and the waste liquid are evenly mixed to improve the disinfection effect. After the filtration is completed, the driving motor 15 stops working, and the stirring rod 26 in the disinfection chamber 6 also stops rotating. The waste liquid in the disinfection chamber 6 gradually stabilizes. After a period of stillness, the impurities in the waste liquid in the disinfection chamber 6 are precipitated into the sedimentation bucket 2. After the precipitation is completed, the drain valve 22 is opened, and the purified waste liquid in the disinfection chamber 6 is discharged along the drain pipe 23. After the drainage is completed, the silt discharge valve 24 is opened, and the impurities in the sedimentation bucket 2 are discharged from the silt discharge pipe 25.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A medical hemodialysis waste liquid purification device, characterized in that: It includes a purification tank, a sedimentation hopper and a sealing cover. The purification tank is arranged in a hollow cavity with an upper end opening. The sedimentation hopper is fixedly arranged at the bottom of the purification tank. The sealing cover is hingedly arranged above the purification tank. The purification tank is divided into a purification chamber, a driving chamber and a disinfection chamber from top to bottom. A connecting pipe is arranged in the driving chamber. Both ends of the connecting pipe are respectively connected to the purification chamber and the disinfection chamber. A filter bracket is rotatably arranged in the purification chamber. A rotating shaft is arranged below the filter bracket. The lower end of the rotating shaft passes through the driving chamber and is rotatably arranged in the disinfection chamber. A filter cartridge is arranged in the filter bracket. The side wall of the filter cartridge is hollowed out. A driving assembly is arranged in the driving chamber.

2. A medical hemodialysis waste liquid purification device according to claim 1, characterized in that: The filter bracket includes a supporting disc, a supporting ring and a supporting rod. The supporting disc is rotatably arranged in the lower end of the purification chamber, the supporting ring is arranged above the supporting disc, the supporting rod is fixedly arranged between the supporting disc and the supporting ring, and the upper end of the rotating shaft is fixedly connected to the center of the supporting disc.

3. A medical hemodialysis waste liquid purification device according to claim 2, characterized in that: The driving assembly includes a driving motor, a driving wheel, a transmission wheel and a transmission belt. The driving motor is fixed in a driving cavity, the driving wheel is arranged at the output end of the driving motor, the transmission wheel is fixed on the outside of the rotating shaft and on one side of the driving wheel, and the transmission belt is wound around the driving wheel and the outside of the transmission wheel.

4. The medical hemodialysis waste liquid purification device according to claim 1, characterized in that: A disinfectant storage tank is fixedly arranged outside the purification tank, a disinfection valve is arranged below the disinfectant storage tank, a disinfection pipe is arranged on one side of the disinfection valve, and two ends of the disinfection pipe are respectively connected to the disinfection valve and the disinfection chamber.

5. The medical hemodialysis waste liquid purification device according to claim 1, characterized in that: A drainage valve is provided at one side of the lower end of the purification tank, and a drainage pipe is connected to one side of the drainage valve. A silt discharge valve is provided below the sedimentation hopper, and a silt discharge pipe is connected to one side of the silt discharge valve.

6. A medical hemodialysis waste liquid purification device according to claim 2, characterized in that: A stirring rod is arranged at the lower end of the rotating shaft, and the stirring rod is rotatably arranged in the disinfection cavity.

7. The medical hemodialysis waste liquid purification device according to claim 1, characterized in that: A connecting hole is provided at the center of the sealing cover, and the connecting hole passes through the sealing cover.

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