CN219291364U

CN219291364U - Hydrogel continuous production device

Info

Publication number: CN219291364U
Application number: CN202320304329.1U
Authority: CN
Inventors: 冯潇卓
Original assignee: SHANGHAI ISO MEDICAL PRODUCTS CO Ltd
Current assignee: SHANGHAI ISO MEDICAL PRODUCTS CO Ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-07-04
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a continuous hydrogel production device which is characterized by comprising a stirring assembly, a stirring tank (103), an air extraction assembly and a high-pressure air pump assembly; the top of the stirring tank (103) is provided with a first feed inlet of a first valve (108), an air inlet of a second valve (106) and an air outlet of a third valve (105); the bottom of the stirring tank (103) is provided with a first discharge hole of a fourth valve (101); the stirring assembly is connected with the stirring tank (103); the air inlet is connected with the high-pressure air pump component; the exhaust port is connected with the air extraction component.

Description

Hydrogel continuous production device

Technical Field

The utility model belongs to the technical field of medical dressing, and particularly relates to a continuous hydrogel production device.

Background

In the current hydrogel coating production process, when the viscosity of the hydrogel raw material is high, a large amount of bubbles are generated when the hydrogel raw material is stirred and are difficult to discharge, so that the quality of the produced hydrogel is very affected.

Disclosure of Invention

The utility model aims to provide a continuous hydrogel production device.

The utility model provides a continuous hydrogel production device, which comprises a stirring assembly, a stirring tank (103), an air extraction assembly and a high-pressure air pump assembly; the top of the stirring tank (103) is provided with a first feed inlet of a first valve (108), an air inlet of a second valve (106) and an air outlet of a third valve (105); the bottom of the stirring tank (103) is provided with a first discharge hole of a fourth valve (101); the stirring assembly is connected with the stirring tank (103); the air inlet is connected with the high-pressure air pump component; the exhaust port is connected with the air extraction component.

Preferably, the stirring assembly comprises a motor (107), a stirring rod (104) and a propeller (102); the central position of the top of the stirring tank (103) is provided with a shaft hole matched with the stirring rod (104); the motor (107) is fixed at the top of the stirring tank (103); the screw propeller (102) is fixed on the stirring rod (104); the top end of the stirring rod (104) passes through the shaft hole and is in transmission connection with the motor (107).

Preferably, the propeller (102) is of a conical double-helical ribbon structure.

Preferably, the hydrogel continuous production device provided by the utility model further comprises a storage bin (111) and a bin cover (110); the bin cover (110) is clamped at the top of the Chu Cuncang (111); a pressure release valve is arranged on the bin cover (110); a second feed inlet of a fifth valve (109) is arranged at the position, close to the bin cover (110), of the storage bin (111); the bottom of the storage bin (111) is provided with a second discharge hole of a sixth valve (113); the second feeding port is connected with the first discharging port through a pipeline.

Preferably, the horizontal height of the first discharging hole is lower than the horizontal height of the second feeding hole.

Preferably, the ratio of the cross-sectional area to the depth of the storage bin (111) is greater than 7:3.

Preferably, the hydrogel continuous production device provided by the utility model further comprises a coating component; the coating assembly comprises a coating station (112) and a metering pump; the metering pump is connected with the second discharge port through a pipeline.

Preferably, the level of the metering pump is lower than the level of the second discharge port.

The utility model provides a continuous hydrogel production device, which has the advantages compared with the prior art:

1. the stirring tank is vacuumized, so that the hydrogel raw material is subjected to bubble removal, the coated hydrogel is higher in transparency, and the quality of the hydrogel is improved;

2. the screw propeller with the conical double-helical-ribbon structure is adopted, so that the discharge efficiency of bubbles is improved when the hydrogel raw material is stirred;

3. the hydrogel is extruded out of the stirring tank by adopting high pressure, so that new bubbles can be prevented from being generated;

4. the foam exhausting effect of the hydrogel can be further improved through the storage bin with large area-depth ratio;

5. by the coating component, the hydrogel raw material is cured and molded by coating, the hydrogel raw material is changed from liquid into solid, and no new bubbles are generated after curing and molding are finished.

Drawings

Fig. 1 is a schematic structural view of a continuous hydrogel production apparatus provided by the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, the hydrogel continuous production apparatus provided in this embodiment includes a stirring assembly, a stirring tank 103, an air extraction assembly, and a high-pressure air pump assembly; the top of the stirring tank 103 is provided with a first feed inlet of a first valve 108, an air inlet of a second valve 106 and an air outlet of a third valve 105; the bottom of the stirring tank 103 is provided with a first discharge hole of a fourth valve 101; the stirring assembly is connected with the stirring tank 103; the air inlet is connected with the high-pressure air pump component; the exhaust port is connected with the air extraction component. It can be understood by those skilled in the art that the second valve 106 and the fourth valve 101 are closed first, the hydrogel raw material with larger viscosity is poured into the stirring tank 103 from the first feeding port, the stirring assembly stirs and mixes the hydrogel raw material, the third valve 105 is opened, the first valve 108 is closed, the air exhaust port is externally connected with the air extraction assembly for vacuumizing the stirring tank 103, and the air bubbles in the hydrogel raw material are removed by utilizing the pressure difference; after the vacuumizing is finished, the third valve 105 is closed, the second valve 106 and the fourth valve 101 are opened, the air inlet is externally connected with a high-pressure air pump, and the hydrogel raw material is discharged outwards from the first discharge port by pressurizing the stirring tank 103, so that new bubbles are prevented from being mixed into the hydrogel raw material; the hydrogel continuous production device provided by the embodiment has the advantages that the content of the discharged hydrogel raw material bubbles is small, and the transparency of the hydrogel is improved, so that the quality of the hydrogel is improved. The high-pressure air pump component and the air extraction component are common knowledge in the field and are not described in detail.

Further, the stirring assembly comprises a motor 107, a stirring rod 104 and a propeller 102; the center of the top of the stirring tank 103 is provided with a shaft hole matched with the stirring rod 104; the motor 107 is fixed on the top of the stirring tank 103; the propeller 102 is fixed on the stirring rod 104; the top end of the stirring rod 104 passes through the shaft hole and is in transmission connection with the motor 107.

Further, the propeller 102 has a conical double ribbon structure. Those skilled in the art will appreciate that the screw propeller 102 with the conical double-helical ribbon structure can enhance the circulation of the high-viscosity liquid, achieve a good mixing effect, and rapidly carry bubbles in the liquid to the liquid surface, thereby facilitating the discharge of bubbles and further improving the discharge efficiency of bubbles.

Further, the hydrogel continuous production apparatus provided in this embodiment further includes a storage bin 111 and a bin cover 110; the bin cover 110 is clamped at the top of the Chu Cuncang 111; the bin cover 110 is provided with a pressure relief valve; a second feed inlet of a fifth valve 109 is arranged at the position, close to the bin cover 110, of the storage bin 111; a second discharge hole of a sixth valve 113 is arranged at the bottom of the storage bin 111; the second feeding port is connected with the first discharging port through a pipeline. It will be appreciated by those skilled in the art that the storage bin 111 is used for temporarily storing hydrogel raw materials, temporarily storing the stirred hydrogel raw materials in the storage bin 111, and continuously stirring new raw materials while coating the glue with the portion of raw materials, and completing stirring before the raw materials in the storage bin 111 are used up, thereby realizing continuous production.

Further, the horizontal height of the first discharging hole is lower than that of the second feeding hole. It will be appreciated by those skilled in the art that this ensures that the hydrogel material in the stirred tank 103 is forced out of the stirred tank 103 by air pressure, preventing new bubbles from being created by the hydrogel material flowing or being pumped out.

Further, the ratio of the cross-sectional area to the depth of the storage bin 111 is greater than 7:3. Those skilled in the art will appreciate that having a large area to depth ratio is more convenient for bubble evacuation.

Further, the hydrogel continuous production device provided in this embodiment further includes a coating component; the coating assembly includes a coating station 112 and a metering pump; the metering pump is connected with the second discharge port through a pipeline. Those skilled in the art will appreciate that the coating assembly can realize the integrated operation of hydrogel production and coating, thereby preventing the hydrogel raw material from entering bubbles and affecting the coating effect. The feeding amount can be automatically adjusted according to the thickness of the hydrogel and the production speed by a metering pump.

Further, the horizontal height of the metering pump is lower than that of the second discharging hole. It will be appreciated by those skilled in the art that gravitational potential energy can be used to cause material to flow into the applicator device, thereby reducing the suction action of the pump to create bubbles in the prior art.

It can be appreciated by those skilled in the art that the continuous hydrogel production device provided in this embodiment can realize continuous and stable production of hydrogel by controlling the stirring time, the space size of the storage device and the coating speed to match, and meanwhile, the appearance of the produced hydrogel is better.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The continuous hydrogel production device is characterized by comprising a stirring assembly, a stirring tank (103), an air extraction assembly and a high-pressure air pump assembly; the top of the stirring tank (103) is provided with a first feed inlet of a first valve (108), an air inlet of a second valve (106) and an air outlet of a third valve (105); the bottom of the stirring tank (103) is provided with a first discharge hole of a fourth valve (101); the stirring assembly is connected with the stirring tank (103); the air inlet is connected with the high-pressure air pump component; the exhaust port is connected with the air extraction component.

2. The continuous hydrogel production apparatus of claim 1, wherein the stirring assembly comprises a motor (107), a stirring rod (104), and a propeller (102); the central position of the top of the stirring tank (103) is provided with a shaft hole matched with the stirring rod (104); the motor (107) is fixed at the top of the stirring tank (103); the screw propeller (102) is fixed on the stirring rod (104); the top end of the stirring rod (104) passes through the shaft hole and is in transmission connection with the motor (107).

3. The continuous hydrogel manufacturing apparatus of claim 2, wherein the propeller (102) is of a conical double ribbon configuration.

4. A hydrogel continuous manufacturing apparatus as in claim 3, further comprising a storage bin (111) and a bin cover (110); the bin cover (110) is clamped at the top of the Chu Cuncang (111); a pressure release valve is arranged on the bin cover (110); a second feed inlet of a fifth valve (109) is arranged at the position, close to the bin cover (110), of the storage bin (111); the bottom of the storage bin (111) is provided with a second discharge hole of a sixth valve (113); the second feeding port is connected with the first discharging port through a pipeline.

5. The continuous hydrogel manufacturing apparatus of claim 4, wherein the first discharge port is at a lower level than the second feed port.

6. The continuous hydrogel production apparatus of claim 5, wherein the ratio of the cross-sectional area to the depth of the storage bin (111) is greater than 7:3.

7. The continuous hydrogel manufacturing apparatus of claim 6, further comprising a coating assembly; the coating assembly comprises a coating station (112) and a metering pump; the metering pump is connected with the second discharge port through a pipeline.

8. The continuous hydrogel manufacturing apparatus of claim 7, wherein the metering pump has a level lower than the level of the second discharge port.