Medical-grade purification treatment device for blood perfusion adsorbent

Abstract

The utility model discloses a medical-grade purification treatment device for a blood perfusion adsorbent, and belongs to the technical field of blood purification. A closed mesh enclosure for containing an adsorbent is arranged in an inner cavity of the extraction column; an upper joint and a lower joint which are communicated to the inner cavity as well as a feeding pipe and a discharging pipe which are communicated to the mesh enclosure are mounted on the extraction column; the liquid storage tank is used for containing a purification solvent; the liquid storage tank is connected with the circulating pump, the circulating pump is connected with the filter, the filter is connected with the evaporator, the upper connector and the lower connector, the evaporator is connected with the condenser, and the condenser is connected with the liquid storage tank and the upper connector; and the upper joint and the lower joint are respectively connected to a liquid storage tank. According to the utility model, the mesh enclosure can intercept blood perfusion resin and allows small particles such as scraps, powder and the like to pass through, and impurities and pollutants in a blood perfusion adsorbent can be comprehensively and effectively cleaned in cooperation with reverse ultrasonic extraction and forward ultrasonic extraction; through the combination of the evaporator and the condenser, the recycling and recovery of the cleaning solvent are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to blood purification technical field, concretely relates to a blood perfusion adsorbent medical grade purification treatment device. BACKGROUND

[0002] In the medical field, blood perfusion technology is an important treatment method, which uses specific adsorbents (such as blood perfusion resin) to remove harmful substances in blood, so as to achieve the purpose of treatment. However, the adsorbent will gradually accumulate impurities and pollutants during use, including organic solvent residues, particulate pollutants, etc., which will seriously affect its adsorption efficiency and treatment effect. Therefore, it is particularly important to regularly perform medical grade purification treatment on blood perfusion adsorbents.

[0003] Traditional blood perfusion adsorbent purification treatment methods mostly use simple flushing or soaking methods. Although these methods can remove some pollutants, the effect is often limited, and the impurities inside the adsorbent cannot be completely removed. In addition, the traditional method also has problems such as solvent waste and environmental pollution during the treatment process, which does not meet the requirements of modern medicine for environmental protection and resource conservation. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a blood perfusion adsorbent medical grade purification treatment device for realizing efficient cleaning of blood perfusion adsorbents and reuse of solvents.

[0005] The utility model adopts the following technical scheme: comprising:

[0006] The extraction column has a closed mesh enclosure in the inner cavity for holding adsorbents; the extraction column is provided with an upper connector and a lower connector connected to the inner cavity, and a feed pipe and a discharge pipe connected to the mesh enclosure;

[0007] The liquid storage tank is used to hold purified solvents;

[0008] The liquid storage tank is connected to a circulating pump, the circulating pump is connected to a filter, the filter is connected to an evaporator and the upper connector and the lower connector respectively, the evaporator is connected to a condenser, and the condenser is connected to the liquid storage tank and the upper connector respectively; the upper connector and the lower connector are connected to the liquid storage tank respectively.

[0009] Preferably, the extraction column is provided with a vacuum extraction connector connected to the inner cavity.

[0010] Preferably, the lower connector is located at the lower end of the extraction column, and a U-shaped liquid discharge pipe is connected in the pipeline from the lower connector to the liquid storage tank.

[0011] Preferably, the outer shell of the extraction column has a closed interlayer cavity, and a heating medium is introduced into the interlayer cavity.

[0012] Preferably, an ultrasonic cleaning probe is arranged in the extraction column.

[0013] Preferably, the extraction column comprises:

[0014] A cylindrical barrel;

[0015] A lower hemispherical end cover abutting the lower end of the cylindrical barrel;

[0016] An upper hemispherical end cover abutting the upper end of the cylindrical barrel;

[0017] The mesh cover is sleeved in the cylindrical barrel, the lower hemispherical end cover and the upper hemispherical end cover;

[0018] The upper joint and the feeding pipe are installed on the upper hemispherical end cover, and the lower joint and the discharging pipe are installed on the lower hemispherical end cover.

[0019] Preferably, the cylindrical barrel, the lower hemispherical end cover and the upper hemispherical end cover are fixedly connected through flanges and bolts.

[0020] Preferably, an inner lining barrel is sleeved and fixed to the inner wall of the cylindrical barrel, and a sandwich cavity is formed between the inner lining barrel and the cylindrical barrel; a steam inlet and a steam outlet communicating with the sandwich cavity are installed on the cylindrical barrel.

[0021] Preferably, a vacuumizing joint is installed on the upper hemispherical end cover, and the vacuumizing joint is connected with a vacuumizing device.

[0022] Preferably, the mesh cover comprises an inner barrel and upper and lower cover plates fixed at two ends of the inner barrel; the inner barrel, the upper and lower cover plates are all provided with hollow holes, and the inner barrel, the upper and lower cover plates are all fixed with filter screens.

[0023] Preferably, the edges of the upper and lower cover plates all exceed the inner barrel, and the edges are all provided with hollow holes; the edges of the upper and lower cover plates are correspondingly supported in the upper and lower hemispherical end covers.

[0024] Compared with the prior art, the present application has the following beneficial effects:

[0025] The mesh cover can trap the blood perfusion resin while allowing small particles such as debris and powder to pass through, thereby effectively removing these particulate pollutants during the cleaning process; through the two modes of reverse ultrasonic extraction and forward ultrasonic extraction, impurities and pollutants in the blood perfusion adsorbent can be comprehensively and effectively cleaned;

[0026] Through the combination of the evaporator and the condenser, the recycling and recovery of the cleaning solvent are realized, which not only saves resources but also reduces environmental pollution; the solvent distillation and recovery function ensures the purity and stability of the solvent, providing reliable guarantee for the subsequent cleaning process. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0028] Figure 1 The principle diagram of the blood perfusion adsorbent medical grade purification treatment device.

[0029] Figure 2 The perspective view of the extraction column in the present application.

[0030] Figure 3 The sectional view of the extraction column in the present application.

[0031] Figure 4 The Figure 3 The enlarged view of A in the present application.

[0032] Figure 5 The Figure 3 The enlarged view of B in the present application.

[0033] Figure 6 The perspective view of the mesh cover in the present application (the filter screen is hidden in the figure).

[0034] Explanation of reference signs:

[0035] 1, extraction column; 2, liquid storage tank; 3, circulating pump; 4, filter; 5, evaporator; 6, condenser; 7, U-shaped liquid discharge pipe;

[0036] 101, upper joint; 102, lower joint; 103, feed pipe; 104, discharge pipe; 105, vacuum extraction joint; 106, steam inlet; 107, steam outlet;

[0037] 11, mesh cover; 111, inner cylinder; 112, upper cover plate; 113, lower cover plate; 114, filter screen; 12, lower hemispherical end cover; 13, cylindrical cylinder; 131, inner lining cylinder; 14, upper hemispherical end cover. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0039] Embodiment one:

[0040] In combination Figure 1 , Figure 2 As shown in the figure, the present embodiment provides a blood perfusion adsorbent medical grade purification treatment device; a mesh cover 11 is installed in the inner cavity of the extraction column 1, and the mesh cover 11 is used to hold the adsorbent (such as blood perfusion resin); the mesh cover 11 can intercept the blood perfusion resin and allow small particles such as debris and powder to pass through. The extraction column 1 is provided with an upper connector 101 and a lower connector 102 which are connected to the inner cavity, the upper connector 101 is located at the upper end of the extraction column 1, and the lower connector 102 is located at the lower end of the extraction column 1. The extraction column 1 is also provided with a feed pipe 103 and a discharge pipe 104 which directly communicate with the inner cavity of the mesh cover 11; the feed pipe 103 is used to pour the adsorbent to be cleaned into the mesh cover 11, and the discharge pipe 104 is used to guide the cleaned adsorbent out. The extraction column 1 is also provided with a vacuum extraction connector 105 which is connected to the inner cavity, and the vacuum extraction connector 105 is connected to a vacuum extraction device, which uses negative pressure to suck the adsorbent into the mesh cover 11. An ultrasonic cleaning probe is arranged in the extraction column 1; the outer shell of the extraction column 1 has a sealed interlayer cavity, and a heating medium is circulated in the interlayer cavity to achieve heat preservation.

[0041] The liquid storage tank 2 is used to hold the purified solvent (such as methanol), and the liquid storage tank 2 is connected to the circulating pump 3 through a pipeline, the circulating pump 3 is connected to the filter 4 through a pipeline, the filter 4 is connected to the evaporator 5 and the upper connector 101 and the lower connector 102 through a pipeline respectively, the evaporator 5 is connected to the condenser 6 through a pipeline, and the condenser 6 is connected to the liquid storage tank 2 and the upper connector 101 through a pipeline respectively; the upper connector 101 and the lower connector 102 are connected to the liquid storage tank 2 through a pipeline respectively, and the pipeline connecting the lower connector 102 to the liquid storage tank 2 is connected with a U-shaped liquid discharge pipe 7. A switch valve is installed in each pipeline respectively, and a control cabinet is used to control the on-off of each pipeline and the working mode of the treatment device.

[0042] Working process:

[0043] Turn on the power of the control cabinet, open the feed pipe 103 and the vacuum extraction connector 105, and use the vacuum to extract the material into the mesh cover 11 in the extraction column 1;

[0044] When reverse ultrasonic extraction is performed:

[0045] Add an appropriate amount of solvent (such as methanol) into the liquid storage tank 2, the solvent is transported from the liquid storage tank 2 through the circulating pump 3, filtered through the filter 4, and then enters the lower end of the extraction column 1 and flows back to the liquid storage tank 2 from the upper end, and the cycle is continued for a period of time until the ultrasonic extraction is completed;

[0046] When forward ultrasonic extraction is performed:

[0047] The solvent is transported from the storage tank 2 through the circulating pump 3, filtered through the filter 4, enters the evaporator 5, heated by the evaporator 5, then enters the condenser 6 for condensation, and then enters the extraction column 1 from the upper end of the extraction column 1, and is subjected to soaking ultrasonic extraction in the extraction column 1; when the liquid level in the extraction column 1 rises to the U-shaped bend of the U-shaped liquid discharge pipe 7, the liquid is automatically discharged, and flows back to the storage tank 2, thereby completing one cycle of extraction, and the extraction is ended after a certain number of times.

[0048] When the solvent is distilled and recovered:

[0049] The solvent is transported from the storage tank 2 through the circulating pump 3, filtered through the filter 4, enters the evaporator 5, heated by the evaporator 5, then enters the condenser 6 for condensation, and then enters the extraction column 1 from the upper end of the extraction column 1, and is subjected to soaking ultrasonic extraction in the extraction column 1; when the liquid level in the extraction column 1 rises to the U-shaped bend of the U-shaped liquid discharge pipe 7, the liquid is automatically discharged, and flows back to the storage tank 2, thereby completing one cycle of extraction, and the extraction is ended after a certain number of times.

[0050] As can be seen from the above embodiments, the reverse ultrasonic extraction, the forward ultrasonic extraction and the solvent recovery and purification function of the adsorbent are realized; the organic solvent in the blood perfusion adsorbent can be extracted, the particulate pollutants can be removed at the same time, the solvent can be recovered, and the particulate in the cleaning solvent can be intercepted by the filter.

[0051] Embodiment two:

[0052] On the basis of the above-mentioned embodiment one, in combination with Figures 2 to 4 As shown in the figure, the embodiment provides an extraction column 1, mainly comprising a cylindrical barrel 13, a lower hemispherical end cover 12 and an upper hemispherical end cover 14. The upper and lower ends of the cylindrical barrel 13 are open, and the inner wall of the cylindrical barrel 13 is welded with an inner lining barrel 131, and the inner lining barrel 131 and the cylindrical barrel 13 form a sandwich cavity; the upper and lower ends of the cylindrical barrel 13 are respectively provided with a steam inlet 106 and a steam outlet 107, and the steam inlet 106 and the steam outlet 107 communicate with the sandwich cavity; in use, the steam inlet 106 and the steam outlet 107 are connected with the flowing heating steam, so as to realize the heat preservation of the extraction column 1.

[0053] The cylindrical barrel 13, the lower hemispherical end cover 12 and the upper hemispherical end cover 14 are fixedly connected through flanges and bolts, so as to facilitate the cleaning and maintenance of the inside of the extraction column 1; wherein the vacuumizing joint 105, the upper joint 101 and the feeding pipe 103 are installed on the upper hemispherical end cover 14, and the lower joint 102 and the discharging pipe 104 are installed on the lower hemispherical end cover 12; the feeding pipe 103 and the discharging pipe 104 are arranged in the center.

[0054] Embodiment three:

[0055] On the basis of the above-mentioned embodiment two, in combination with Figures 3 to 6As shown, the mesh cover 11 in the embodiment mainly comprises an inner cylinder 111, an upper cover plate 112 and a lower cover plate 113. The upper and lower ends of the inner cylinder 111 are respectively buckled on the side surfaces of the upper cover plate 112 and the lower cover plate 113, and the inner cylinder 111, the upper cover plate 112 and the lower cover plate 113 are all fixed with filter screens 114, so that the inner cylinder 111 constitutes a filtering structure which can intercept blood perfusion resin and allow small particles such as debris and powder to pass through.

[0056] The edges of the upper cover plate 112 and the lower cover plate 113 all exceed the inner cylinder 111, and the edges are also all provided with hollow holes to facilitate the passing of solvents. The inner stop opening steps are provided in the upper hemispherical end cover 14 and the lower hemispherical end cover 12, and the edges of the upper cover plate 112 and the lower cover plate 113 are correspondingly supported in the inner stop opening steps on the upper and lower sides, so that the upper hemispherical end cover 14 and the lower hemispherical end cover 12 realize clamping and fixing of the mesh cover 11.

[0057] The shell of the extraction column in the utility model has a closed interlayer cavity, the circulation flowing heating medium is introduced, the heat preservation function of the device is realized, and it is ensured that the cleaning and purification process is carried out in a stable temperature environment; the extraction column adopts the combination of the cylindrical cylinder, the lower hemispherical end cover and the upper hemispherical end cover, is connected through the flange plate and the bolt, the interior is convenient for cleaning and maintenance; the mesh cover is also easy to disassemble and clean, and the long-term stable operation of the device is ensured.

[0058] Obviously, those skilled in the art can make various modifications and changes to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and changes of the utility model are within the scope of the claims of the utility model and the equivalent technologies thereof, the utility model also intends to include these modifications and changes.

Claims

1. A medical grade purification apparatus for blood perfusion sorbent, characterized in that, The utility model relates to a kind of extraction column and its purification system, including: Extraction column, the inner cavity of the extraction column has closed net cover for containing adsorbent; The upper connector and the lower connector are installed on the extraction column and are communicated to the inner cavity, and the feed pipe and the discharge pipe are communicated to the net cover; Liquid storage tank for containing purification solvent; The liquid storage tank is connected to the circulating pump, the circulating pump is connected to the filter, the filter is connected to the upper connector and the lower connector respectively and the evaporator, the evaporator is connected to the condenser, and the condenser is connected to the liquid storage tank and the upper connector respectively;The upper connector and the lower connector are connected to the liquid storage tank.

2. A medical grade purifying device for hemoperfusion adsorbent according to claim 1, characterized in that: The lower connector is located at the lower end of the extraction column, and a U-shaped liquid discharge pipe is connected in the pipeline from the lower connector to the liquid storage tank.

3. A medical grade purifying device for hemoperfusion adsorbent according to claim 1, characterized in that: The shell of the extraction column has airtight interlayer cavity, and heating medium is introduced into the interlayer cavity.

4. A medical grade purifying device for hemoperfusion adsorbent according to claim 1, characterized in that: The extraction column is provided with an ultrasonic cleaning probe.

5. A medical grade purifying device for hemoperfusion adsorbent according to claim 1, wherein The extraction column includes: Cylindrical barrel; Lower hemispherical end cover, which is docked at the lower end of the cylindrical barrel; Upper hemispherical end cover, which is docked at the upper end of the cylindrical barrel; The net cover is sleeved in the cylindrical barrel, the lower hemispherical end cover and the upper hemispherical end cover; The upper connector and the feed pipe are installed on the upper hemispherical end cover, and the lower connector and the discharge pipe are installed on the lower hemispherical end cover.

6. A medical grade purifying device for blood perfusion adsorbent according to claim 5, characterized in that: The cylindrical barrel, the lower hemispherical end cover and the upper hemispherical end cover are fixedly connected by flanges and bolts.

7. A medical grade purifying device for hemoperfusion adsorbent according to claim 5, characterized in that: An inner liner is fixedly sleeved on the inner wall of the cylindrical barrel, and the interlayer cavity is formed between the inner liner and the cylindrical barrel;The steam inlet and the steam outlet of the interlayer cavity are installed on the cylindrical barrel.

8. A medical grade purifying device for hemoperfusion adsorbent according to claim 5, characterized in that: A vacuumizing connector is installed on the upper hemispherical end cover, and the vacuumizing connector is connected to a vacuumizing device.

9. A medical grade purifying device for hemoperfusion adsorbent according to claim 5, characterized in that: The net cover includes an inner cylinder and upper and lower cover plates fixed at both ends of the inner cylinder;The inner cylinder, the upper and lower cover plates are all provided with hollow holes, and the inner cylinder, the upper and lower cover plates are all fixed with filter screens.

10. A medical grade purifying device for blood perfusion adsorbent according to claim 9, characterized in that: The edges of the upper and lower cover plates all exceed the inner cylinder, and the edges are all provided with hollow holes;The edges of the upper and lower cover plates are correspondingly supported in the upper hemispherical end cover and the lower hemispherical end cover.

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