CN217773891U

CN217773891U - Viscous medical dressing preparation equipment

Info

Publication number: CN217773891U
Application number: CN202221436460.5U
Authority: CN
Inventors: 高纳新; 于超
Original assignee: Kuike Pharmaceutical Harbin Co ltd
Current assignee: Kuike Pharmaceutical Harbin Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-11
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a viscous medical dressing preparation device, relating to the technical field of medical devices, comprising a homogeneous emulsification tank, a cam rotor pump, a stirring mechanism and a homogeneous dispersion mechanism; a feed inlet is arranged on the homogenizing emulsifying tank, a stirring mechanism is arranged in the homogenizing emulsifying tank, and a homogenizing and dispersing mechanism is arranged in the stirring mechanism; the tank bottom of homogeneity emulsification jar is connected with the entrance connection of inlet pipe, and the exit end of inlet pipe is connected with the inlet end of cam rotor pump, and the exit end of cam rotor pump is with the next process interface of intercommunication, and the exit end of cam rotor pump still is connected with a port of feed back pipe, and another port of feed back mouth communicates with the upper end lateral surface of homogeneity emulsification jar.

Description

Viscous medical dressing preparation equipment

Technical Field

The utility model belongs to the technical field of the medical equipment technique and specifically relates to a thick medical dressing preparation equipment is related to.

Background

In the pharmaceutical industry, products are often required to be prepared into gel, paste, semisolid and other pharmaceutical dosage forms with high viscosity and poor flowability according to the formula proportioning characteristics. In the production and preparation process, the problems that the material with higher viscosity is difficult to dissolve when the proportion is larger, and the material state after dissolution is difficult to uniformly mix and convey and the like are solved. The high-viscosity water-soluble raw materials can generate wrapping groups after meeting water, and as the dissolving time is increased, some materials (such as sodium alginate, xanthan gum and hydroxyethyl cellulose) wrapping groups are slowly dissolved gradually from the outer side; and some materials (such as polyvinyl alcohol and carbomer) are difficult to break up or dissolve the lumps through stirring in a short time after forming the coated lumps, so that the production process is time-consuming, energy-consuming and labor-consuming, and finally, a material body with good uniformity is difficult to obtain on the premise of high efficiency.

Chinese patent CN205495488U discloses a tobacco leaf feed liquid homogenizing system, which comprises a liquid storage barrel and a charging tank, and further comprises an exhaust valve, a high-pressure gas stirring device, a centrifugal stirring device, a water pump, a cam rotor pump and a homogeneous emulsification pump, wherein the exhaust valve is arranged at the top of the liquid storage barrel, the high-pressure gas stirring device comprises an air inlet pipe and an air pump, the air outlet of the air pump is connected with the air inlet of the air inlet pipe, the air outlet of the air inlet pipe extends into the bottom of the liquid storage barrel, the centrifugal stirring device comprises a motor and a double-layer centrifugal net, the output shaft of the motor extends into the liquid storage barrel, the double-layer centrifugal net is fixedly connected with the output shaft of the motor, the water pump is arranged at the bottom of the liquid storage barrel, and the water outlet end of the water pump is hermetically connected with the liquid inlet end of a liquid conveying pipe; the utility model has simple structure, and is very simple and convenient to install and maintain; however, the patent is not applicable to raw materials with high polymer viscosity and flowability which are not easy to mix uniformly.

Chinese patent CN202898263U discloses an emulsion explosive field mixer suitable for underground engineering, a mixing shaft is arranged in a mixing cavity of a mixer shell, a radial blade group is arranged on the mixing shaft along the axial direction, the radial blade groups are uniformly distributed along the circumferential direction of the mixing shaft, a premixing chamber is arranged above a feed inlet of the mixer shell, and an inner cavity of the premixing chamber is communicated with the feed inlet of the mixer shell; the dry bulk material discharging pipe is vertically arranged above the premixing chamber, the latex matrix discharging pipe is horizontally arranged on the side surface of the premixing chamber, and the discharging end of the latex matrix discharging pipe is communicated with the inner cavity of the premixing chamber. The utility model adds a premixing chamber on the basis of the existing structure, so as to form preliminary mixing before further mixing; in addition, in order to improve the overall stirring effect of the blades, the axial blade sets are connected between the radial blade sets which play a main role in material blending, so that the materials are turned over in the whole medicine mixing cavity of the mixer shell, and finally the emulsion explosive with high viscosity can be uniformly mixed. However, the patent is not applicable to raw materials with high polymer viscosity and flowability which are not easy to mix uniformly.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems that the viscous material of the existing macromolecule is not easy to dissolve, the material body after dissolution is not easy to overcome has high viscosity and poor flowing property and is not easy to mix evenly, the utility model provides a viscous medical dressing preparation device.

In order to realize the utility model discloses a purpose, the utility model discloses a technical scheme as follows:

a viscous medical dressing preparation device comprises a homogenizing emulsification tank, a cam rotor pump, a stirring mechanism and a homogenizing dispersion mechanism;

a feeding port is arranged on the homogenizing and emulsifying tank, a stirring mechanism is arranged in the homogenizing and emulsifying tank, and a homogenizing and dispersing mechanism is arranged in the stirring mechanism;

the tank bottom of homogeneity emulsification jar is connected with the entrance connection of inlet pipe, and the exit end of inlet pipe is connected with the inlet end of cam rotor pump, and the outlet end of cam rotor pump is with the next process interface of intercommunication, and the outlet end of cam rotor pump still is connected with a port of feed back pipe, and another port of feed back mouth communicates with the upper end lateral surface of homogeneity emulsification jar.

Furthermore, an interlayer is circumferentially arranged on the outer side surface of the homogenizing and emulsifying tank.

Furthermore, the interlayer is used for heating or cooling the material, and can improve the production efficiency while meeting the process requirements.

Further, rabbling mechanism includes stirring vane and stirring frame, and stirring vane locates on the stirring frame inner wall, and forms the cavity between stirring vane and the stirring frame.

Further, the homogeneity dispersion mechanism includes homogeneity dispersion head and homogeneity dispersion pole, and homogeneity dispersion head is installed to the tip of homogeneity dispersion pole, and in the homogeneity dispersion pole inserted the agitator frame, until extending to the homogeneity dispersion head in the cavity.

Furthermore, the outer surface of the upper end part of the homogenizing and emulsifying tank is also provided with a window.

Further, the rotor in the pump chamber of the cam-rotor pump includes a two-lobe rotor, a three-lobe rotor, a four-lobe rotor, a five-lobe rotor, and a six-lobe rotor.

Furthermore, a control valve is arranged at the joint of the tank bottom of the homogenizing and emulsifying tank and the feeding pipe.

Furthermore, a control valve is arranged at a connecting port of the material return pipe and the cam rotor pump.

Compared with the prior art, the beneficial effects of the utility model are embodied in that:

the utility model adopts the closed cycle preparation system which mainly comprises the vacuum homogeneous emulsification tank and the cam rotor pump, after the product preparation is finished, the product can be directly pumped into the next procedure, thereby greatly reducing the product pollution risk; and the cam rotor pump and the application of the rotor form in the equipment can avoid the influence on the preparation process caused by the blocking of the circulating pump because high-viscosity raw materials enter the pump cavity.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view of FIG. 2;

fig. 4 is a schematic diagram illustrating a movement locus of an inner rotor in a pump cavity of the cam rotor pump according to the present invention;

reference numerals: 1. a homogenizing and emulsifying tank; 2. a cam rotor pump; 3. a stirring mechanism; 31. a stirring blade; 32. a stirring frame; 4. a homogenizing and dispersing mechanism; 41. homogenizing the dispersion head; 42. homogenizing and dispersing rods; 5. a feeding port; 6. a window; 7. a feed pipe; 8. a control valve; 9. a material return pipe; 10. a feed back port; 11. an interlayer; 12. a next procedure interface; 13. and (4) a support column.

Detailed Description

In order to make the objects and technical solutions of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the following embodiments.

Example 1

The viscous medical dressing preparation device shown in fig. 1-3 comprises a homogenizing and emulsifying tank 1, a cam rotor pump 2, a stirring mechanism 3 and a homogenizing and dispersing mechanism 4; be equipped with dog-house 5 on the homogeneity emulsification tank 1, and the upper end surface of homogeneity emulsification tank 1 still is provided with window 6, can observe the stirring condition of homogeneity emulsification tank 1 inside in real time through window 6. Be equipped with rabbling mechanism 3 in the

homogeneous emulsification jar

1, 3 internally mounted of rabbling mechanism has homogeneous dispersion mechanism 4, and rabbling mechanism 3 includes stirring vane 31 and stirring frame 32, and stirring vane 31 is located on stirring frame 32 inner wall, and forms the cavity between stirring vane 31 and the stirring frame 32. The homogenizing and dispersing mechanism 4 includes a homogenizing and dispersing head 41 and a homogenizing and dispersing rod 42, the homogenizing and dispersing head 41 is installed at the end of the homogenizing and dispersing rod 42, and the homogenizing and dispersing rod 42 is inserted into the stirring frame 32 until the homogenizing and dispersing head 41 is extended into the cavity, specifically, the homogenizing and dispersing mechanism 4 is a high-speed motor driving and dispersing the homogenizing and dispersing head, so as to make the rotor do high-speed circular motion, the dispersed media are automatically sucked into the homogenizing and dispersing head 41 due to the high-speed operation of the rotor, and then the media radially pass through between the rotor and the stator at a high speed. The great acceleration applied to the dispersion medium generates great shearing and crushing force, so that the effect of dispersing homogeneous materials is achieved. The tank bottoms of homogeneity emulsification tank 1 and the entrance point connection of inlet pipe 7, the tank bottoms of homogeneity emulsification tank 1 and inlet pipe 7 junction are equipped with control valve 8, the exit end of inlet pipe 7 and the entrance point connection of cam rotor pump 2, the exit end intercommunication next process interface 12 of cam rotor pump 2, and the exit end of cam rotor pump 2 still is connected with a port of feed back pipe 9, feed back pipe 9 and cam rotor pump 2's connection port department are equipped with control valve 8, another port of feed back pipe 9 is the discharge gate, the discharge gate communicates with the upper end lateral surface of homogeneity emulsification tank 1. The outer side circumference of homogeneous emulsification tank 1 is provided with intermediate layer 11, and intermediate layer 11 is used for heating up the material or cooling down, and when satisfying the technology demand, still can improve the efficiency of production. The lower end of the homogenizing and emulsifying tank 1 is provided with a plurality of supporting columns 13, and the supporting columns 13 are used for supporting the whole tank body of the homogenizing and emulsifying tank 1. The rotors in the pump cavity of the cam rotor pump 2 comprise a two-lobe rotor, a three-lobe rotor, a four-lobe rotor, a five-lobe rotor and a six-lobe rotor, and a movement locus diagram of the preferred three-lobe rotor is shown in fig. 4, wherein an arrow inside the three-lobe rotor indicates a rotation direction, an arrow A outside the three-lobe rotor points to a feeding end, and an arrow B points to a discharging end.

Specifically, the working principle of the equipment is as follows:

starting stirring, feeding the materials from the feeding port 5, raising the temperature of water in the interlayer 11 to 60-80 ℃ in a stirring state, and assisting the dissolution of the materials. When the temperature rises to a set value, opening a control valve 8 at the bottom of the homogenizing emulsifying tank 1 and the cam rotor pump 2, then driving the materials to a material return pipe 9 between material return ports 10 communicated with the homogenizing emulsifying tank 1, opening the cam rotor pump 2, enabling the materials to start to enter a pump cavity and the material return pipe 9 to form circulation, starting homogenizing and dispersing for 5-10min, continuing the circulation for 30-90min, and cooling to obtain a target product with uniform state and good dissolution. In the circulation process, auxiliary materials and effective substances can be fed in by stages and at different temperatures through the feeding port 5. The process promotes the viscous materials to be uniformly mixed and dissolved through the combined action of stirring, temperature rising, homogenizing, circulation, rolling of a cam rotor and the like. The cam rotor pump 2 utilizes 2 rotors with specific blade number and structure to rotate relatively, and materials are pumped into a pump cavity and are lifted into a tank, so that circulation of the materials is realized.

The above description is only for the embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which all fall within the scope of the present invention.

Claims

1. The preparation equipment of the viscous medical dressing is characterized by comprising a homogenizing and emulsifying tank, a cam rotor pump, a stirring mechanism and a homogenizing and dispersing mechanism;

the tank bottom of homogeneity emulsification jar and the entrance connection of inlet pipe, the exit end of inlet pipe is connected with the inlet end of cam rotor pump, the exit end and the next process interface of intercommunication of cam rotor pump, and the exit end of cam rotor pump still is connected with a port of feed back pipe, and the other end feed back mouth of feed back pipe and the upper end lateral surface of homogeneity emulsification jar communicate.

2. The apparatus for preparing viscous medical dressing according to claim 1, wherein the outer side surface of the homogenizing and emulsifying tank is circumferentially provided with an interlayer.

3. The viscous medical dressing preparation apparatus of claim 1, wherein the stirring mechanism comprises a stirring blade and a stirring frame, the stirring blade is disposed on an inner wall of the stirring frame, and a cavity is formed between the stirring blade and the stirring frame.

4. The apparatus for preparing viscous medical dressing according to claim 3, wherein the homogenizing and dispersing mechanism comprises a homogenizing and dispersing head and a homogenizing and dispersing rod, the homogenizing and dispersing head is mounted at the end of the homogenizing and dispersing rod, and the homogenizing and dispersing rod is inserted into the stirring frame until the homogenizing and dispersing head extends into the cavity.

5. The apparatus for preparing a viscous medical dressing according to claim 1, wherein the outer surface of the upper end of the homogenizing and emulsifying tank is further provided with a window.

6. The apparatus of claim 1, wherein the rotors within the pump chamber of the cam-rotor pump comprise a two-lobe rotor, a three-lobe rotor, a four-lobe rotor, a five-lobe rotor, and a six-lobe rotor.

7. The apparatus for preparing viscous medical dressing according to claim 1, wherein a control valve is provided at the connection of the bottom of the homogenizing and emulsifying tank and the feeding pipe.

8. The apparatus for preparing viscous medical dressing according to claim 1, wherein a control valve is arranged at a connection port of the return pipe and the cam rotor pump.