WO2022041422A1

WO2022041422A1 - Natural antimicrobial agent and processing device therefor

Info

Publication number: WO2022041422A1
Application number: PCT/CN2020/122154
Authority: WO
Inventors: 陈仲豪; 侯崧
Original assignee: 清远瑞华助剂有限公司
Priority date: 2020-08-24
Filing date: 2020-10-20
Publication date: 2022-03-03
Also published as: CN111910433A

Abstract

A natural antimicrobial agent, comprising ingredients in the following contents: 50%-75% of chitosan, 0.5%-2% of nano titanium dioxide, 0.2%-1% of a dispersion co-solvent and 24%-50% of water. Steps for producing the natural antimicrobial agent include: S1: preparing chitosan: crushing natural shellfish, dissolving and then purifying same, and finally grinding same; S2: preparing nano titanium dioxide: using a hydrolysis method, using tetrabutyl titanate as a raw material and anhydrous alcohol as a solvent, and dissolving tetrabutyl titanate in anhydrous alcohol; and S3: mixing the chitosan in S1 and the nano titanium dioxide in S2, heating and continuously stirring same, dissolving same according to a ratio of 1: 5 after cooling, and adding an appropriate amount of the dispersion co-solvent, so as to prepare a finished product. The natural antimicrobial agent is naturally non-toxic, has good antimicrobial properties, and also has maintenance effects on the human body.

Description

[Title of invention made by ISA pursuant to Rule 37.2] Natural antibacterial agents and equipment for their processing

technical field

The invention relates to the technical field of antibacterial agents, in particular to a natural antibacterial agent and processing equipment thereof.

Background technique

With the increasing demand for textiles in the market and the influence of various fungi on people's daily life, people pay more and more attention to antibacterial needs in daily life. At the same time, because ordinary antibacterial finishing agents have To a certain extent, although it can resist fungi in daily life, it also brings uncertain and negative effects on other aspects.

Therefore, it is necessary to provide a new natural antibacterial agent to solve the above-mentioned technical problems.

SUMMARY OF THE INVENTION

The technical problem solved by the present invention is to provide a natural antibacterial agent which is natural and nontoxic, has good antibacterial properties, and has a maintenance effect on the human body at the same time.

In order to solve the above technical problems, the natural antibacterial agent provided by the present invention includes the following components: 60% of chitosan, 1% of nano-titanium dioxide, 0.5% of dispersing co-solvent and 38.5% of water;

Described natural antibacterial agent comprises following production steps:

S1: Preparation of chitosan: the natural shellfish is crushed, dissolved and purified, and finally ground;

S2: Preparation of nano-titanium dioxide: prepared by hydrolysis method, using tetrabutyl titanate as raw material, anhydrous alcohol as solvent, and dissolving tetrabutyl titanate in anhydrous alcohol;

S3: Mix the chitosan described in S1 and the nano-titanium dioxide described in S2, then heat and stir continuously, and after cooling, dissolve in a ratio of 1:5 and add an appropriate amount of dispersing co-solvent to obtain a finished product.

Preferably, in the S1, when purifying, adding a dispersing co-solvent and then dissolving at a high temperature to remove undissolved matter and impurities.

Preferably, in the S3, the heating temperature is not lower than 95°C, and it needs to be stirred until it becomes viscous and transparent during stirring.

The present invention also provides a processing equipment for natural antibacterial agent, comprising: a casing; a pulverizing cavity, wherein the pulverizing cavity is arranged in the shell; and a rotating rod, the rotating rod is rotatably installed in the pulverizing cavity, and the One end of the rotating rod extends out of the crushing cavity; a plurality of crushing rods are fixedly installed on the rotating rod; a material bearing plate is slidably installed in the crushing cavity; a screen a mesh, the screen mesh is fixedly installed on the bearing plate; a grinding chamber, the grinding chamber is set in the housing; a first grinding disc, the first grinding disc is slidably installed in the grinding chamber; Grinding groove, the grinding groove is opened at the bottom of the first grinding disc; a rotating shaft, the rotating shaft is rotatably mounted on the casing, and the top of the rotating shaft extends into the grinding cavity; the second grinding disc, the The second grinding disc is fixedly installed on the top end of the rotating shaft, and the second grinding disc is adapted to the grinding groove.

Preferably, a first pulley is fixedly installed on the rotating rod, a motor is fixedly installed on the top of the housing, a second pulley is fixedly installed on the output shaft of the motor, and the second pulley and the first pulley are fixedly installed. The sleeve has the same first belt.

Preferably, four sliding grooves are symmetrically opened on the inner wall of the crushing chamber, a sliding rod is fixedly installed in the sliding groove, a sliding block is slidably installed on the sliding rod, and the sliding block is fixedly connected with the material bearing plate A spring is provided on the sliding rod, and the two ends of the spring are respectively fixedly connected with the sliding groove and the sliding block.

Preferably, a connecting rod is fixedly installed on the material bearing plate, a connecting shaft is rotatably installed on the housing, a first bevel gear is fixedly installed on the rotating rod, and a first bevel gear is fixedly installed on the top of the connecting shaft. Two bevel gears, the second bevel gear meshes with the first bevel gear, a cam is fixedly installed on the connecting shaft, and the cam is in contact with the connecting rod.

Preferably, the bottom inner wall of the grinding chamber is provided with an installation hole, a bracket is fixedly installed in the installation hole, the bracket is rotatably connected with the rotating shaft, the bottom end of the rotating shaft is fixedly installed with a third pulley, and the casing A support rod is rotatably installed on the body, the support rod is fixedly connected with the cam, a fourth pulley is fixedly installed at the bottom end of the support rod, and the fourth pulley and the third pulley are sleeved with the same second belt.

Preferably, an installation groove is formed on the inner wall of the grinding chamber, a threaded rod is rotatably installed in the installation groove, a fixing block is threadedly installed on the threaded rod, the fixing block is fixedly connected with the first grinding disc, and the shell The body is provided with a groove, the top end of the threaded rod extends into the groove and is fixedly installed with a first friction bevel wheel, the first friction bevel wheel extends out of the groove, and a mounting seat is fixedly installed on the housing, A threaded pipe is threaded on the mounting seat, a second friction bevel wheel is rotatably installed at the bottom end of the threaded pipe, the second friction bevel wheel is slidably connected to the support rod, and the second friction bevel wheel is connected to the first friction bevel wheel. Corresponding to a friction bevel wheel, a limit groove is formed on the inner wall of the grinding chamber, a limit block is fixedly installed on the first grinding disc, and the limit block is slidably connected with the inner wall of the limit groove.

Preferably, a sliding hole is formed on the inner wall of the bottom of the grinding chamber, and a pipe is slidably installed in the sliding hole, the pipe is fixedly connected with the first grinding disc, and the pipe is communicated with the grinding groove.

Compared with the related art, the natural antibacterial agent provided by the invention has the following beneficial effects:

1) Combining chitosan and nano-titanium dioxide according to a certain proportion into a mixed nano-scale product, which can inhibit and kill bacteria;

2) Natural antibacterial finishing agents for different purposes can be debugged according to different requirements. When the proportion of chitosan increases, it has a better inhibitory effect on common fungi; when the proportion of nano-titanium dioxide increases, the resistance to drugs is stronger. The fungi have better inhibitory and killing effects.

Description of drawings

Fig. 1 is the structural representation of a kind of preferred embodiment of the processing equipment of natural antibacterial agent provided by the present invention;

FIG. 2 is a schematic top sectional view of the structure shown in FIG. 1 .

Numerals in the figure: 1, shell; 2, crushing chamber; 3, rotating rod; 4, crushing rod; 5, first pulley; 6, motor; 7, second pulley; 8, belt; 9, sliding groove; 10 , sliding rod; 11, slider; 12, spring; 13, bearing plate; 14, screen; 15, connecting rod; 16, connecting shaft; 17, first bevel gear; 18, second bevel gear; 19, cam; 20, grinding chamber; 21, first grinding disc; 22, grinding groove; 23, rotating shaft; 24, second grinding disc; 25, third pulley; 26, support rod; 27, fourth pulley; 28 29, installation groove; 30, threaded rod; 31, fixed block; 32, groove; 33, the first friction bevel wheel; 34, mounting seat; 35, threaded pipe; 36, the second friction bevel wheel ; 37, sliding hole; 38, pipe; 39, limit groove; 40, limit block.

detailed description

The present invention will be further described below with reference to the accompanying drawings and embodiments.

first embodiment

A natural antibacterial agent comprises the following components: 60% of chitosan, 1% of nano-titanium dioxide, 0.5% of dispersing co-solvent and 38.5% of water;

Described natural antibacterial agent comprises following production steps:

In the S1, when purifying, adding a dispersing co-solvent and then dissolving at a high temperature to remove undissolved matter and impurities.

In the S3, the heating temperature is 100°C, and stirring is required until it becomes viscous and transparent.

1) Combining chitosan and nano-titanium dioxide according to a certain proportion into a mixed nano-scale product, which has the effect of inhibiting and killing bacteria;

Second Embodiment

Please refer to Fig. 1-2, a processing equipment of natural antibacterial agent, including: a casing 1; a pulverizing cavity 2, the pulverizing cavity 2 is arranged in the casing 1; a rotating rod 3, the rotating rod 3 It is rotatably installed in the pulverizing cavity 2, and one end of the rotating rod 3 extends outside the pulverizing cavity 2; a plurality of pulverizing rods 4 are fixedly installed on the rotating rod 3; Plate 13, the bearing plate 13 is slidably installed in the crushing chamber 2; screen 14, the screen 14 is fixedly installed on the bearing plate 13; grinding chamber 20, the grinding chamber 20 is provided in the Inside the housing 1; the first grinding disc 21, the first grinding disc 21 is slidably installed in the grinding chamber 20; the grinding groove 22, the grinding groove 22 is opened at the bottom of the first grinding disc 21 ; Rotating shaft 23, the rotating shaft 23 is rotatably mounted on the housing 1, and the top end of the rotating shaft 23 extends into the grinding chamber 20; the second grinding disc 24, the second grinding disc 24 is fixedly mounted on the The top of the rotating shaft 23, and the second grinding disc 24 is adapted to the grinding groove 22, so that the raw materials can be pulverized, sieved and ground, so that the raw materials are uniformly powdered.

A first pulley 5 is fixedly installed on the rotating rod 3, a motor 6 is fixedly installed on the top of the housing 1, and a second pulley 7 is fixedly installed on the output shaft of the motor 6. The second pulley 7 and The same first belt 8 is sleeved on the first pulley 5, which can make the rotating rod 3 rotate.

Four sliding grooves 9 are symmetrically opened on the inner wall of the crushing chamber 2. A sliding rod 10 is fixedly installed in the sliding grooves 9, and a sliding block 11 is slidably installed on the sliding rod 10. The material plate 13 is fixedly connected, and the sliding rod 10 is slidably sleeved with a spring 12. The two ends of the spring 12 are fixedly connected to the sliding groove 9 and the slider 11 respectively, so that the screen 14 can slide in the crushing cavity.

A connecting rod 15 is fixedly installed on the material bearing plate 13 , a connecting shaft 16 is rotatably installed on the housing 1 , a first bevel gear 17 is fixedly installed on the rotating rod 3 , and the top end of the connecting shaft 16 A second bevel gear 18 is fixedly installed, the second bevel gear 18 meshes with the first bevel gear 17, a cam 19 is fixedly installed on the connecting shaft 16, and the cam 19 is in contact with the connecting rod 15, At the same time of crushing, the screen 14 can be driven to and fro left and right by a motor 6, so as to improve the screening efficiency and save electrical components.

The bottom inner wall of the grinding chamber 20 is provided with an installation hole, a bracket is fixedly installed in the installation hole, the bracket is rotatably connected with the rotating shaft 23, and the bottom end of the rotating shaft 23 is fixedly installed with a third pulley 25, the said A support rod 26 is rotatably installed on the housing 1, and the support rod 26 is fixedly connected with the cam 19. A fourth pulley 27 is fixedly installed at the bottom end of the support rod 26, and the fourth pulley 27 is connected to the third pulley 25. The same second belt 28 is sleeved, which can grind the sieved raw materials and is controlled by the same motor 6 .

The inner wall of the grinding chamber 20 is provided with an installation groove 29, a threaded rod 30 is rotatably installed in the installation groove 29, and a fixed block 31 is threadedly installed on the threaded rod 30, and the fixed block 31 is connected to the first grinding disc. 21 is fixedly connected, the casing 1 is provided with a groove 32, the top end of the threaded rod 30 extends into the groove 32 and is fixedly installed with a first friction bevel wheel 33, the first friction bevel wheel 33 extends to the groove Outside 32, a mounting seat 34 is fixedly mounted on the housing 1, a threaded pipe 35 is threadedly mounted on the mounting seat 34, and a second friction bevel wheel 36 is rotatably mounted on the bottom end of the threaded pipe 35. The second friction bevel wheel 36 is slidably connected to the support rod 26 , and the second friction bevel wheel 36 corresponds to the first friction bevel wheel 33 , a limiting groove 39 is defined on the inner wall of the grinding chamber 20 , and the first grinding wheel A limit block 40 is fixedly installed on the disk 21, and the limit block 40 is slidably connected to the inner wall of the limit groove 39, which can adjust the distance between the first grinding disk 21 and the second grinding disk 24, and then adjust the grinding particle size, And it is adjusted by the same motor 6 .

The bottom inner wall of the crushing chamber 2 is provided with a sliding hole 37 , and a pipe 38 is slidably installed in the sliding hole 37 , the pipe 38 is fixedly connected with the first grinding disc 21 , and the pipe 38 is connected with the grinding groove 22 so that the sieved raw materials can enter the grinding tank 22 accurately.

When in use, when it is necessary to pulverize the natural shellfish, put the natural shellfish into the pulverizing cavity 2, start the motor 6, the motor 6 drives the second pulley 7 to rotate, the second pulley 7 drives the first pulley 5 to rotate, and the first pulley 5 rotates. The pulley 5 drives the rotating rod 3 to rotate, and the rotating rod 3 drives the crushing rod 4 to rotate, which can crush the natural shellfish and fall into the screen 14 after crushing;

When the rotating rod 3 rotates, it drives the first bevel gear 17 to rotate, the first bevel gear 17 drives the connecting shaft 16 to rotate through the second bevel gear 18, the connecting shaft 16 drives the cam 19 to rotate, and the cam 19 cooperates with the spring 12, Drive the bearing plate 13 to reciprocate left and right, and then drive the screen 14 to reciprocate left and right, so that the sieving can be performed quickly;

The sieved raw material enters the grinding tank 22, the cam 19 rotates to drive the support rod 26 to rotate, the support rod 26 drives the fourth pulley 27 to rotate, the fourth pulley 27 drives the third pulley 25 to rotate through the second belt 28, and the third pulley 25 rotates. The first grinding disc 21 is driven by the rotating shaft 23 to grind the raw material by cooperating with the grinding groove 22;

When the grinding particle size needs to be changed, the threaded pipe 35 is rotated, and the threaded pipe 35 moves downward on the mounting seat 34, thereby driving the second friction bevel wheel 36 to move downward, so that the second friction bevel wheel 36 and the first friction bevel wheel 36 move downward. 33 squeezes into contact and drives the first friction bevel wheel 33 to rotate, the first friction bevel wheel 33 drives the threaded rod 30 to rotate, the threaded rod 30 drives the fixed block 31 to move, and the fixed block 31 drives the first grinding disc 21 to move, which can change the first The gap between the grinding disc 21 and the grinding groove 22 further changes the grinding particle size.

The above descriptions are only the embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other related technologies Fields are similarly included in the scope of patent protection of the present invention.

Claims

A kind of natural antibacterial agent, is characterized in that, comprises following content composition:

Chitosan 50%-75%, nano-titanium dioxide 0.5%-2%, dispersing co-solvent 0.2%-1% and water 24%-50%;

Described natural antibacterial agent comprises following production steps:

S1: Preparation of chitosan: the natural shellfish is crushed, dissolved and purified, and finally ground;

S2: Preparation of nano-titanium dioxide: prepared by hydrolysis method, using tetrabutyl titanate as raw material, anhydrous alcohol as solvent, and dissolving tetrabutyl titanate in anhydrous alcohol;

S3: Mix the chitosan described in S1 and the nano-titanium dioxide described in S2, then heat and stir continuously, and after cooling, dissolve in a ratio of 1:5 and add an appropriate amount of dispersing co-solvent to obtain a finished product.
The natural antibacterial agent according to claim 1, characterized in that, in the S1, when purifying, adding a dispersing co-solvent and dissolving at high temperature to remove undissolved matter and impurities.
The natural antibacterial agent according to claim 1, characterized in that, in the S3, the heating temperature is not lower than 95°C, and the stirring needs to be stirred until it is viscous and transparent.
A kind of processing equipment of natural antibacterial agent, is characterized in that, comprises:

case;

a pulverizing cavity, the pulverizing cavity is arranged in the casing;

a rotating rod, which is rotatably installed in the pulverizing cavity, and one end of the rotating rod extends out of the pulverizing cavity;

a plurality of pulverizing rods, the plurality of pulverizing rods are fixedly installed on the rotating rod;

a material bearing plate, which is slidably installed in the crushing cavity;

a screen, the screen is fixedly installed on the bearing plate;

a grinding chamber, the grinding chamber is arranged in the casing;

a first grinding disc, the first grinding disc is slidably installed in the grinding chamber;

a grinding groove, which is opened at the bottom of the first grinding disc;

a rotating shaft, the rotating shaft is rotatably mounted on the casing, and the top end of the rotating shaft extends into the grinding chamber;

A second grinding disc, the second grinding disc is fixedly installed on the top end of the rotating shaft, and the second grinding disc is adapted to the grinding groove.
The processing equipment for natural antibacterial agents according to claim 4, wherein a first pulley is fixedly installed on the rotating rod, a motor is fixedly installed on the top of the casing, and an output shaft of the motor is fixedly installed There is a second pulley, and the second pulley and the first pulley are sleeved with the same first belt.
The processing equipment for natural antibacterial agents according to claim 4, wherein four sliding grooves are symmetrically opened on the inner wall of the crushing chamber, and sliding rods are fixedly installed in the sliding grooves, and the sliding rods slide on the sliding rods. A sliding block is installed, the sliding block is fixedly connected with the material bearing plate, a spring is slidably sleeved on the sliding rod, and two ends of the spring are respectively fixedly connected with the sliding groove and the sliding block.
The processing equipment for natural antibacterial agents according to claim 4, wherein a connecting rod is fixedly installed on the material bearing plate, a connecting shaft is rotatably installed on the housing, and a first rotating rod is fixedly installed on the rotating rod. A bevel gear, a second bevel gear is fixedly installed on the top end of the connecting shaft, the second bevel gear meshes with the first bevel gear, a cam is fixedly installed on the connecting shaft, and the cam is connected to the connection shaft rods are in contact.
The processing equipment for natural antibacterial agents according to claim 7, wherein a mounting hole is opened on the inner wall of the bottom of the grinding cavity, a bracket is fixedly installed in the mounting hole, and the bracket is rotatably connected with the rotating shaft, so A third pulley is fixedly installed at the bottom end of the rotating shaft, a support rod is rotatably installed on the housing, the support rod is fixedly connected with the cam, and a fourth pulley is fixedly installed at the bottom end of the support rod. The same second belt is sleeved on the pulley and the third pulley.
The processing equipment for natural antibacterial agents according to claim 8, wherein a mounting groove is opened on the inner wall of the grinding chamber, a threaded rod is rotatably installed in the mounting groove, and a fixing block is threadedly mounted on the threaded rod, The fixed block is fixedly connected with the first grinding disc, the casing is provided with a groove, the top end of the threaded rod extends into the groove, and a first friction bevel wheel is fixedly installed, and the first friction bevel wheel extends to the Outside the groove, a mounting seat is fixedly installed on the housing, a threaded pipe is threadedly installed on the mounting seat, and a second friction bevel wheel is rotatably installed at the bottom end of the threaded pipe, and the second friction bevel wheel is connected to the groove. The support rod is slidably connected, and the second friction bevel wheel corresponds to the first friction bevel wheel, a limit groove is set on the inner wall of the grinding chamber, a limit block is fixedly installed on the first grinding disc, and the limit The position block is slidably connected with the inner wall of the limit slot.
The processing equipment for natural antibacterial agents according to claim 4, wherein a sliding hole is opened on the inner wall of the bottom of the pulverizing cavity, a pipe is slidably installed in the sliding hole, and the pipe is fixed to the first grinding disc connected, and the pipeline communicates with the grinding tank.