阅读说明：本技术 医疗器械固体清洗剂及其生产工艺 (Solid cleaning agent for medical apparatus and instruments and production process thereof ) 是由 刘明明 勾长磊 李鹏章 庞元金 韩堃 魏希庆 于 2021-06-25 设计创作，主要内容包括：本发明属于医用清洗剂技术领域,具体涉及一种医疗器械固体清洗剂及其生产工艺,所述的医疗器械固体清洗剂,由以下重量份数的原料组成：生物酶制剂5-30份、表面活性剂40-75份、缓蚀剂5-15份、螯合剂1-10份、防腐剂1-10份,以上均为固体物料；医疗器械固体清洗剂的生产工艺具体包括以下步骤：原料粉碎、原料干混、制备软材、制备湿粒、球形抛丸、沸腾干燥、筛粒。本法民生产工艺具有步骤简单、工艺环保、生产成本低、原料利用率高等优点,而且制得的颗粒形状规则、流动性好、溶解速度快,为工业化生产提供了技术方案。(The invention belongs to the technical field of medical cleaning agents, and particularly relates to a medical apparatus solid cleaning agent and a production process thereof, wherein the medical apparatus solid cleaning agent is composed of the following raw materials in parts by weight: 5-30 parts of biological enzyme preparation, 40-75 parts of surfactant, 5-15 parts of corrosion inhibitor, 1-10 parts of chelating agent and 1-10 parts of preservative, which are solid materials; the production process of the solid cleaning agent for the medical instruments specifically comprises the following steps: crushing raw materials, dry-mixing the raw materials, preparing a soft material, preparing wet granules, ball-shaped shot blasting, boiling and drying, and screening granules. The method has the advantages of simple process, environment-friendly process, low production cost, high raw material utilization rate and the like, and the prepared particles have regular shapes, good fluidity and high dissolution speed, thereby providing a technical scheme for industrial production.)

1. A solid cleaning agent for medical instruments is characterized in that: the composite material is prepared from the following raw materials in parts by weight:

5-30 parts of biological enzyme preparation, 40-75 parts of surfactant, 5-15 parts of corrosion inhibitor, 1-10 parts of chelating agent and 1-10 parts of preservative.

2. The solid cleaning agent for medical instruments according to claim 1, wherein: the composite material is prepared from the following raw materials in parts by weight: 25 parts of biological enzyme preparation, 58 parts of surfactant, 10 parts of corrosion inhibitor, 5 parts of chelating agent and 2 parts of preservative.

3. A production process of the medical apparatus solid cleaning agent as claimed in any one of claims 1 to 2, which is characterized in that: the method comprises the following steps:

s1 crushing raw material

Weighing the required biological enzyme preparation, surfactant, corrosion inhibitor, chelating agent and preservative, respectively crushing by a crusher, and sieving for later use;

s2 Dry blending of raw materials

Putting the crushed biological enzyme preparation, the surfactant, the corrosion inhibitor, the chelating agent and the preservative into a three-dimensional mixer, and uniformly mixing for later use;

s3-preparation of Soft Material

Adding the mixed biological enzyme preparation, surfactant, corrosion inhibitor, chelating agent and preservative into a trough type mixer for dry mixing, and then adding a certain amount of solvent for wet mixing to obtain a soft material;

s4-preparation of Wet pellets

Opening a swing granulator for preheating, and putting the prepared soft material into the swing granulator to prepare wet granules;

s5-spherical shot blasting

Opening the spherical shot blasting machine, and putting the prepared wet grains into the spherical shot blasting machine for shot blasting treatment;

s6-fluidized drying

Adding the wet granules subjected to shot blasting into a boiling dryer, and introducing hot air for drying to obtain a crude spherical solid cleaning agent;

S7-Sieve

And adding the prepared crude spherical solid cleaning agent into a circular centrifugal vibrating screen, and carrying out centrifugal screening to obtain spherical solid cleaning agent particles.

4. The production process of the medical apparatus solid cleaning agent as claimed in claim 3, wherein the production process comprises the following steps: the mesh sieved in the step S1 is 40-60 meshes, the standby storage temperature is 15-25 ℃, and the storage humidity is 35-45%.

5. The production process of the medical apparatus solid cleaning agent as claimed in claim 3, wherein the production process comprises the following steps: the mixing time in step S2 is 20-30 min.

6. The production process of the medical apparatus solid cleaning agent as claimed in claim 3, wherein the production process comprises the following steps: the solvent in the step S3 is ethanol solution, and the mass ratio of the total mass of the raw materials to the solvent is (9-99): 1.

7. the production process of the medical apparatus solid cleaning agent as claimed in claim 3, wherein the production process comprises the following steps: the rotation speed of the swing granulator in the step S4 is 50-70rpm, and the swing angle is 360 degrees.

8. The production process of the medical apparatus solid cleaning agent as claimed in claim 3, wherein the production process comprises the following steps: the diameter of the treated particles of the spherical blasting machine in the step S5 is 0.5-2 mm.

9. The production process of the medical apparatus solid cleaning agent as claimed in claim 3, wherein the production process comprises the following steps: in the step S6 of boiling drying, the inlet air temperature of hot air is 50-60 ℃, the air quantity is 1500-2500m/h, and the drying time is 10-15 min.

10. The production process of the medical apparatus solid cleaning agent as claimed in claim 3, wherein the production process comprises the following steps: the main shaft rotation speed of the circular centrifugal vibration screen in the step S7 is 1300-1400rpm, and the screen mesh number is 50-200 meshes.

Technical Field

The invention belongs to the technical field of medical cleaning agents, and particularly relates to a solid cleaning agent for medical instruments and a production process thereof.

Background

Along with the popularization of the overall supply concept of the hospital disinfection supply Center (CSSD), the CSSD has stronger and stronger standardization, the cleaning of medical instruments is emphasized, and the cleaning quality of the instruments is a precondition for successful disinfection and sterilization of the instruments. At present, the most used cleaning agent in hospitals is a liquid multienzyme cleaning agent which has the following defects: on one hand, the stability of the liquid biological enzyme preparation is far lower than that of the solid biological enzyme preparation, and the activity of the liquid biological enzyme is gradually reduced along with the time, so that the cleaning performance of the whole multi-enzyme cleaning agent is reduced; on the other hand, the use of liquid multienzyme detergents adds various costs, including cleaning costs, storage costs, transportation costs, and the like. The solid cleaning agent for medical instruments consists of a biological enzyme preparation, a surfactant, a corrosion inhibitor, a chelating agent, a preservative and the like, and can solve the problems brought by a liquid multienzyme cleaning agent. However, the domestic preparation reports of the solid cleaning agent for medical instruments are few, and the technical guidance cannot be provided for domestic production enterprises.

Based on the situation, the production process of the solid cleaning agent for the medical instruments is of great significance.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: overcomes the defects of the prior art, provides the solid cleaning agent for the medical apparatus and the production process thereof, has the advantages of simple preparation process steps, environment-friendly process, low production cost, high raw material utilization rate and the like, and the prepared particles have regular shapes, good fluidity and high dissolution speed.

The solid cleaning agent for the medical instruments is prepared from the following raw materials in parts by weight:

5-30 parts of biological enzyme preparation, 40-75 parts of surfactant, 5-15 parts of corrosion inhibitor, 1-10 parts of chelating agent and 1-10 parts of preservative, which are solid materials.

Preferably, the solid cleaning agent for medical instruments is prepared from the following raw materials in parts by weight: 25 parts of biological enzyme preparation, 58 parts of surfactant, 10 parts of corrosion inhibitor, 5 parts of chelating agent and 2 parts of preservative.

The production process of the solid cleaning agent for the medical instruments comprises the following steps:

s1 crushing raw material

Weighing the required biological enzyme preparation, surfactant, corrosion inhibitor, chelating agent and preservative, respectively crushing by a crusher, and sieving for later use;

s2 Dry blending of raw materials

Putting the crushed biological enzyme preparation, the surfactant, the corrosion inhibitor, the chelating agent and the preservative into a three-dimensional mixer, and uniformly mixing for later use;

s3-preparation of Soft Material

Adding the mixed biological enzyme preparation, surfactant, corrosion inhibitor, chelating agent and preservative into a trough type mixer for dry mixing, and then adding a certain amount of solvent for wet mixing to obtain a soft material;

s4-preparation of Wet pellets

Opening a swing granulator for preheating, and putting the prepared soft material into the swing granulator to prepare wet granules;

s5-spherical shot blasting

Opening the spherical shot blasting machine, and putting the prepared wet grains into the spherical shot blasting machine for shot blasting treatment;

s6-fluidized drying

Adding the wet granules subjected to shot blasting into a boiling dryer, and introducing hot air for drying to obtain a crude spherical solid cleaning agent;

S7-Sieve

And adding the prepared crude spherical solid cleaning agent into a circular centrifugal vibrating screen, and carrying out centrifugal screening to obtain spherical solid cleaning agent particles.

Preferably, the mesh sieved in step S1 is 40-60 mesh, preferably 50 mesh, and the standby storage temperature is 15-25 ℃ and the storage humidity is 35-45%.

Preferably, the mixing time in step S2 is 20-30 min.

Preferably, the solvent in step S3 is a 50% ethanol solution, and the mass ratio of the total mass of the raw materials to the solvent (9-99): 1.

preferably, the swing granulator in step S4 has a rotation speed of 50-70rpm, preferably 60rpm, and a swing angle of 360 °.

Preferably, the diameter of the treated particles of the ball blast machine in the step S5 is 0.5-2 mm.

Preferably, in the step S6 of boiling drying, the inlet air temperature of the hot air is 50-60 ℃, preferably 55 ℃, the air volume is 1500-2500m/h, and the drying time is 10-15 min.

Preferably, the main shaft rotation speed of the circular centrifugal vibration sieve in the step S7 is 1300-1400rpm, preferably 1380rpm, and the sieve mesh number is 50-200 meshes.

Compared with the prior art, the invention has the following beneficial effects:

the invention determines the types and the quantity of the raw materials and the solvents of the solid cleaning agent through strict screening, and the provided production process of the solid cleaning agent has the advantages of simple process steps, environment-friendly process, low production cost, high utilization rate of the raw materials and the like, and the prepared particles have regular shapes, good fluidity and high dissolution speed.

Detailed Description

The present invention is further illustrated by the following examples, which are not intended to limit the practice of the invention.

Example 1

(1) Raw material crushing

Weighing 30kg of biological enzyme preparation, 63kg of surfactant, 5kg of corrosion inhibitor, 1kg of chelating agent and 1kg of preservative, respectively crushing by using a stainless steel crusher, sieving by using a 50-mesh sieve after crushing, and storing for later use in an environment with the temperature of 15 ℃ and the humidity of 45%;

(2) raw material dry mixing

Putting the crushed biological enzyme preparation, the surfactant, the corrosion inhibitor, the chelating agent and the preservative into a three-dimensional mixer, and dry-mixing for 20 min;

(3) preparing soft materials

Adding the mixed biological enzyme preparation, surfactant, corrosion inhibitor, chelating agent and preservative into a trough type mixer for dry mixing for 10min, and then adding 1.01kg of 50% ethanol solution for wet mixing to obtain a soft material;

(4) preparation of Wet pellets

Opening a swing granulator to preheat to 45 ℃, putting the prepared soft material into the swing granulator, and preparing wet granules under the conditions that the rotating speed is 60rpm and the swing angle is 360 degrees;

(5) spherical shot blasting

Opening the spherical shot blasting machine, and putting the prepared wet granules into the spherical shot blasting machine for shot blasting treatment, wherein the diameter of the treated granules is 0.5 mm;

(6) fluidized drying

Adding the wet granules subjected to shot blasting into a boiling dryer, keeping the boiling drying time for 10min when the inlet air temperature of hot air is 55 ℃ and the air volume is 1500m/h, and allowing the dried crude solid cleaning agent to flow out of one end of the boiling dryer;

(7) sieve particle

And (4) adding the spherical solid cleaning agent crude product prepared in the step (6) into a circular centrifugal vibrating screen, wherein the rotating speed of a main shaft of the circular centrifugal vibrating screen is 1380rpm, and the number of the screening meshes is 50.

Example 2

(1) Raw material crushing

Weighing 5kg of biological enzyme preparation, 60kg of surfactant, 15kg of corrosion inhibitor, 10kg of chelating agent and 10kg of preservative, respectively crushing by using a stainless steel crusher, sieving by using a 50-mesh sieve after crushing, and storing for later use in an environment with the temperature of 25 ℃ and the humidity of 35%;

(2) raw material dry mixing

Putting the crushed biological enzyme preparation, the surfactant, the corrosion inhibitor, the chelating agent and the preservative into a three-dimensional mixer, and dry-mixing for 22 min;

(3) preparing soft materials

Adding the mixed biological enzyme preparation, surfactant, corrosion inhibitor, chelating agent and preservative into a trough type mixing machine for dry mixing for 10min, and then adding 2.5kg of 50% ethanol solution for wet mixing to obtain a soft material;

(4) preparation of Wet pellets

Opening a swing granulator to preheat to 45 ℃, putting the prepared soft material into the swing granulator, and preparing wet granules under the conditions that the rotating speed is 60rpm and the swing angle is 360 degrees;

(5) spherical shot blasting

Opening the spherical shot blasting machine, and putting the prepared wet granules into the spherical shot blasting machine for shot blasting treatment, wherein the diameter of the treated granules is 1.0 mm;

(6) fluidized drying

Adding the wet granules subjected to shot blasting into a boiling dryer, keeping the boiling drying time for 13min when the inlet air temperature of hot air is 55 ℃ and the air volume is 1600m/h, and allowing the dried crude solid cleaning agent to flow out of one end of the boiling dryer;

(7) sieve particle

And (4) adding the spherical solid cleaning agent crude product prepared in the step (6) into a circular centrifugal vibrating screen, wherein the rotating speed of a main shaft of the circular centrifugal vibrating screen is 1380rpm, and the number of the screening meshes is 80.

Example 3

(1) Raw material crushing

Weighing 30kg of biological enzyme preparation, 40kg of surfactant, 12kg of corrosion inhibitor, 10kg of chelating agent and 8kg of preservative, respectively crushing by using a stainless steel crusher, sieving by using a 50-mesh sieve after crushing, and storing for later use in an environment with the temperature of 20 ℃ and the humidity of 40%;

(2) raw material dry mixing

Putting the crushed biological enzyme preparation, the surfactant, the corrosion inhibitor, the chelating agent and the preservative into a three-dimensional mixer, and dry-mixing for 24 min;

(3) preparing soft materials

Adding the mixed biological enzyme preparation, surfactant, corrosion inhibitor, chelating agent and preservative into a trough type mixing machine for dry mixing for 10min, and then adding 5.0kg of 50% ethanol solution for wet mixing to obtain a soft material;

(4) preparation of Wet pellets

Opening a swing granulator to preheat to 45 ℃, putting the prepared soft material into the swing granulator, and preparing wet granules under the conditions that the rotating speed is 60rpm and the swing angle is 360 degrees;

(5) spherical shot blasting

Opening the spherical shot blasting machine, and putting the prepared wet granules into the spherical shot blasting machine for shot blasting treatment, wherein the diameter of the treated granules is 1.5 mm;

(6) fluidized drying

Adding the wet granules subjected to shot blasting into a boiling dryer, keeping the boiling drying time for 12min when the inlet air temperature of hot air is 55 ℃ and the air volume is 1800m/h, and allowing the dried crude solid cleaning agent to flow out of one end of the boiling dryer;

(7) sieve particle

And (4) adding the spherical solid cleaning agent crude product prepared in the step (6) into a circular centrifugal vibrating screen, wherein the rotating speed of a main shaft of the circular centrifugal vibrating screen is 1380rpm, and the number of the screening meshes is 110.

Example 4

(1) Raw material crushing

Weighing 10kg of biological enzyme preparation, 75kg of surfactant, 10kg of corrosion inhibitor, 2kg of chelating agent and 3kg of preservative, respectively crushing by using a stainless steel crusher, sieving by using a 50-mesh sieve after crushing, and storing for later use in an environment with the temperature of 18 ℃ and the humidity of 36%;

(2) raw material dry mixing

Putting the crushed biological enzyme preparation, the surfactant, the corrosion inhibitor, the chelating agent and the preservative into a three-dimensional mixer, and dry-mixing for 25 min;

(3) preparing soft materials

Adding the mixed biological enzyme preparation, surfactant, corrosion inhibitor, chelating agent and preservative into a trough type mixing machine for dry mixing for 10min, and then adding 7.5kg of 50% ethanol solution for wet mixing to obtain a soft material;

(4) preparation of Wet pellets

Opening a swing granulator to preheat to 45 ℃, putting the prepared soft material into the swing granulator, and preparing wet granules under the conditions that the rotating speed is 60rpm and the swing angle is 360 degrees;

(5) spherical shot blasting

Opening the spherical shot blasting machine, and putting the prepared wet granules into the spherical shot blasting machine for shot blasting treatment, wherein the diameter of the treated granules is 0.8 mm;

(6) fluidized drying

Adding the wet granules subjected to shot blasting into a boiling dryer, keeping the boiling drying time for 11min when the inlet air temperature of hot air is 55 ℃ and the air volume is 2000m/h, and allowing the dried crude solid cleaning agent to flow out of one end of the boiling dryer;

(7) sieve particle

And (4) adding the spherical solid cleaning agent crude product prepared in the step (6) into a circular centrifugal vibrating screen, wherein the rotating speed of a main shaft of the circular centrifugal vibrating screen is 1380rpm, and the number of the screening meshes is 140.

Example 5

(1) Raw material crushing

Weighing 20kg of biological enzyme preparation, 60kg of surfactant, 10kg of corrosion inhibitor, 5kg of chelating agent and 5kg of preservative, respectively crushing by using a stainless steel crusher, sieving by using a 50-mesh sieve after crushing, and storing for later use in an environment with the temperature of 22 ℃ and the humidity of 41%;

(2) raw material dry mixing

Putting the crushed biological enzyme preparation, the surfactant, the corrosion inhibitor, the chelating agent and the preservative into a three-dimensional mixer, and dry-mixing for 28 min;

(3) preparing soft materials

Adding the mixed biological enzyme preparation, surfactant, corrosion inhibitor, chelating agent and preservative into a trough type mixer for dry mixing for 10min, and then adding 9.0kg of 50% ethanol solution for wet mixing to obtain a soft material;

(4) preparation of Wet pellets

Opening a swing granulator to preheat to 45 ℃, putting the prepared soft material into the swing granulator, and preparing wet granules under the conditions that the rotating speed is 60rpm and the swing angle is 360 degrees;

(5) spherical shot blasting

Opening the spherical shot blasting machine, and putting the prepared wet granules into the spherical shot blasting machine for shot blasting treatment, wherein the diameter of the treated granules is 1.7 mm;

(6) fluidized drying

Adding the wet granules subjected to shot blasting into a boiling dryer, keeping the boiling drying time for 10min when the inlet air temperature of hot air is 55 ℃ and the air volume is 2200m/h, and allowing the dried crude solid cleaning agent to flow out of one end of the boiling dryer;

(7) sieve particle

And (4) adding the spherical solid cleaning agent crude product prepared in the step (6) into a circular centrifugal vibrating screen, wherein the rotating speed of a main shaft of the circular centrifugal vibrating screen is 1380rpm, and the number of the screening meshes is 170.

Example 6

(1) Raw material crushing

Weighing 15kg of biological enzyme preparation, 55kg of surfactant, 12kg of corrosion inhibitor, 8kg of chelating agent and 10kg of preservative, respectively crushing by using a stainless steel crusher, sieving by using a 50-mesh sieve after crushing, and storing for later use in an environment with the temperature of 24 ℃ and the humidity of 44%;

(2) raw material dry mixing

Putting the crushed biological enzyme preparation, the surfactant, the corrosion inhibitor, the chelating agent and the preservative into a three-dimensional mixer, and dry-mixing for 30 min;

(3) preparing soft materials

Adding the mixed biological enzyme preparation, surfactant, corrosion inhibitor, chelating agent and preservative into a trough type mixer for dry mixing for 10min, and then adding 11.11kg of 50% ethanol solution for wet mixing to obtain a soft material;

(4) preparation of Wet pellets

Opening a swing granulator to preheat to 45 ℃, putting the prepared soft material into the swing granulator, and preparing wet granules under the conditions that the rotating speed is 60rpm and the swing angle is 360 degrees;

(5) spherical shot blasting

Opening the spherical shot blasting machine, and putting the prepared wet granules into the spherical shot blasting machine for shot blasting treatment, wherein the diameter of the treated granules is 2.0 mm;

(6) fluidized drying

Adding the wet granules subjected to shot blasting into a boiling dryer, keeping the boiling drying time for 10min at the air inlet temperature of 55 ℃ and the air volume of 2500m/h, and allowing the dried crude solid cleaning agent to flow out of one end of the boiling dryer;

(7) sieve particle

And (4) adding the spherical solid cleaning agent crude product prepared in the step (6) into a circular centrifugal vibrating screen, wherein the rotating speed of a main shaft of the circular centrifugal vibrating screen is 1380rpm, and the number of the screening meshes is 200.

Of course, the foregoing is only a preferred embodiment of the invention and should not be taken as limiting the scope of the embodiments of the invention. The present invention is not limited to the above examples, and equivalent changes and modifications made by those skilled in the art within the spirit and scope of the present invention should be construed as being included in the scope of the present invention.