阅读说明：本技术 食品器具不沾涂层环保清除工艺及其设备 (Environment-friendly cleaning process and equipment for food utensil non-stick coating ) 是由 栗明 单伟明 杨斌 许庆和 于 2020-06-01 设计创作，主要内容包括：本发明提供一种食品器具不沾涂层环保清除工艺,包括以下步骤：1)将食品器具放置在喷射工作仓一侧的输送皮带上,启动电机,食品器具在皮带带动下缓慢移动至喷射工作仓内；2)磨料在高压空气的带动下通过喷射枪头喷射至食品器具表面,使不沾涂层剥离,并随输送皮带的运行,从喷射工作仓的另一侧离开。本发明采用的新型清除工艺以一步法取代了现有的二步法,不仅简化了器具涂层的清除步骤,节省能源提高了清除效率,而且不会损伤食品器具中间的镀铝层,还可使处理后的器具本体不变形,经再次喷涂新涂层后保持几乎与新盘一样的有效使用次数,从而使其重复利用率得以大幅提高。(The invention provides an environment-friendly cleaning process for food appliances without sticking coatings, which comprises the following steps: 1) placing the food utensil on a conveying belt on one side of the spraying working bin, starting a motor, and slowly moving the food utensil into the spraying working bin under the driving of the belt; 2) the grinding material is sprayed to the surface of the food utensil through the spray gun head under the drive of high-pressure air, so that the coating is not peeled off, and the grinding material leaves from the other side of the spray working bin along with the operation of the conveying belt. The novel cleaning process adopted by the invention replaces the existing two-step method with a one-step method, not only simplifies the cleaning steps of the appliance coating, saves energy and improves the cleaning efficiency, but also does not damage the aluminum coating layer in the middle of the food appliance, can ensure that the processed appliance body does not deform, and keeps the effective use times almost the same as that of a new plate after spraying a new coating again, thereby greatly improving the reutilization rate.)

1. An environment-friendly cleaning process for food appliances without sticking coatings is characterized in that: the method comprises the following steps:

1) placing the food utensil on a conveying belt on one side of the spraying working bin, starting a motor, and moving the food utensil into the spraying working bin under the driving of the belt;

2) the grinding material is sprayed to the surface of the food utensil through the spray gun head under the drive of high-pressure air, so that the coating is not peeled off, and the grinding material leaves from the other side of the spray working bin along with the operation of the conveying belt.

2. The food utensil non-stick coating environment-friendly removal process as claimed in claim 1, characterized in that: the abrasive is sodium bicarbonate microcrystals.

3. The food utensil non-stick coating environment-friendly removal process as claimed in claim 1, characterized in that: the belt conveying power in the step 1) is 0.7-0.8 kW.

4. The food utensil non-stick coating environment-friendly removal process as claimed in claim 1, characterized in that: the pressure of the high-pressure air in the step 2) is 0.8-0.9 MPa.

5. The food utensil non-stick coating environment-friendly removal process as claimed in claim 1, characterized in that: and 2) in the abrasive material spraying process in the step 2), generated powder dust is recycled in the dust remover through the dust removing pipe, and the settled abrasive material is recycled through the settled material recycling bin.

6. The food utensil non-stick coating environment-friendly removing process as claimed in claim 5, characterized in that: the power of the dust remover is 7-8 kW, and the tail gas after dust removal can reach the standard and be discharged.

7. The food utensil non-stick coating environment-friendly removal process as claimed in claim 1, characterized in that: the injection pressure of the injection gun head in the step 2) is 0.75-0.85 MPa; the top end of the spray gun head is provided with a nozzle, and the diameter of the nozzle is 4.36-6.35 mm.

8. The food utensil non-stick coating environment-friendly removal process as claimed in claim 1, characterized in that: the cleaning operation is automatically and continuously operated under the control of a PLC electric control system.

9. The utility model provides a food utensil is not stained with coating environmental protection and is clear away equipment which characterized in that: the device comprises a spraying working bin and a dust remover, wherein a swing motor is arranged at the top of the spraying working bin; the output end of the swing motor is connected with a main connecting rod; the other end of the main connecting rod is connected with a swinging rod; the swinging rod is connected with a spraying gun head; a conveying belt is arranged below the injection gun head; one side of the injection working bin is provided with a pressure injection machine, and the pressure injection machine is connected with a spray gun through a high-pressure injection pipe; a sediment recovery bin is arranged below the injection working bin; the side wall of the spraying working bin is provided with a dust outlet, and the dust outlet is connected with a dust remover through a dust removing pipe.

10. The food implement coating-free environment-friendly removing device according to claim 9, characterized in that: the dust remover comprises a first dust remover and a second dust remover; a dust outlet is formed in the bottom of the first dust remover; and the output end of the first dust remover is connected with the input end of the second dust remover.

Technical Field

The invention relates to the field of renovation and remanufacturing environment-friendly cleaning in the food industry, in particular to an environment-friendly cleaning process and equipment for food appliances without sticking coatings.

Background

In the food industry, such as various food appliances like cakes, bread baking trays and the like, after 800-3000 times of use, the appliances can not be used continuously due to the damage of the non-stick coating on the surface, and the appliances are generally recycled, treated, re-coated and refurbished and then used continuously from the aspect of circular economy. Recovery processing methods generally require two processes: firstly, removing a damaged coating; and secondly, spraying the non-stick coating again.

The existing first process non-stick coating removal technology mainly comprises two steps: firstly, heating and cracking the device without being stuck with a coating at a high temperature of more than 450 ℃, and cracking the coating after 5-8 hours; the blasted coating is then removed by sandblasting. The step of high-temperature cracking in the removal process has high energy consumption, the appliance body is easy to deform by heating, and the tail gas can pollute the surrounding environment; the second step of sand blasting usually uses quartz sand with higher hardness, the cleaning effect is good, but the scouring strength is overlarge, so that an aluminum coating layer which is not stuck to the lower part of the coating is easy to damage or peel off, and a metal base material can be damaged in serious conditions, so that the service life of the recoated appliance is shortened or the effective use times are reduced. In addition, the two-step treatment method has low removal efficiency due to the transfer of waste in the working procedures; the waste residue after sand blasting is not easy to recycle because of containing a cracked non-stick layer, and has large treatment capacity of waste residue and poor cleaning and environmental protection performance.

Disclosure of Invention

The invention aims to overcome and supplement the defects in the prior art, and provides an environment-friendly cleaning process for food appliances without sticking coatings, which can effectively remove the non-stick coatings on the surfaces of various appliances through one-time spraying treatment operation, and simultaneously can not damage the aluminum-plated layer and the base material. The technical scheme adopted by the invention is as follows:

an environment-friendly cleaning process for food appliances without sticking coatings, which comprises the following steps: the method comprises the following steps:

1) placing the food utensil on a conveying belt on one side of the spraying working bin, starting a motor, and moving the food utensil into the spraying working bin under the driving of the belt;

2) the grinding material is sprayed to the surface of the food utensil through the spray gun head under the drive of high-pressure air, so that the coating is not peeled off, and the grinding material leaves from the other side of the spray working bin along with the operation of the conveying belt.

Preferably, the food utensil is not stained with the coating environmental protection clearance technology, wherein: the abrasive is sodium bicarbonate microcrystals.

Preferably, the food utensil is not stained with the coating environmental protection clearance technology, wherein: the belt conveying power in the step 1) is 0.7-0.8 kW.

Preferably, the food utensil is not stained with the coating environmental protection clearance technology, wherein: the pressure of the high-pressure air in the step 2) is 0.8-0.9 MPa.

Preferably, the food utensil is not stained with the coating environmental protection clearance technology, wherein: and 2) in the abrasive material spraying process in the step 2), generated powder dust is recycled in the dust remover through the dust removing pipe, and the settled abrasive material is recycled through the settled material recycling bin.

Preferably, the food utensil is not stained with the coating environmental protection clearance technology, wherein: the power of the dust remover is 7-8 kW, and the tail gas after dust removal can reach the standard and be discharged.

Preferably, the food utensil is not stained with the coating environmental protection clearance technology, wherein: the injection pressure of the injection gun head in the step 2) is 0.75-0.85 MPa; the top end of the spray gun head is provided with a nozzle, and the diameter of the nozzle is 4.36-6.35 mm.

Preferably, the food utensil is not stained with the coating environmental protection clearance technology, wherein: the cleaning operation is automatically and continuously operated under the control of a PLC electric control system.

An environment-friendly cleaning device for food utensil non-stick coating, wherein: the device comprises a spraying working bin and a dust remover, wherein a swing motor is arranged at the top of the spraying working bin; the output end of the swing motor is connected with a main connecting rod; the other end of the main connecting rod is connected with a swinging rod; the swinging rod is connected with a spraying gun head; a conveying belt is arranged below the injection gun head; one side of the injection working bin is provided with a pressure injection machine, and the pressure injection machine is connected with a spray gun through a high-pressure injection pipe; a sediment recovery bin is arranged below the injection working bin; the side wall of the spraying working bin is provided with a dust outlet, and the dust outlet is connected with a dust remover through a dust removing pipe.

Preferably, the food utensil is not stained with coating environmental protection clean-up equipment, wherein: the dust remover comprises a first dust remover and a second dust remover; a dust outlet is formed in the bottom of the first dust remover; and the output end of the first dust remover is connected with the input end of the second dust remover.

The invention has the advantages that:

the novel cleaning process adopted by the invention not only saves energy and has high cleaning efficiency, does not damage the middle aluminum coating of the food utensil, ensures that the treated utensil is not deformed, but also can keep the effective use times almost the same as that of a new plate after spraying a new coating, and greatly improves the repeated utilization rate of the new plate; the one-step method replaces the two-step method, so that the step of removing the coating of the appliance is simplified, the number of devices and the transfer process are reduced, and the removing efficiency is improved; the sodium bicarbonate microcrystal with moderate hardness, safety, no damage, cleanness and environmental protection is taken as the jet abrasive, the damage of an aluminum coating layer and a base material caused by over-cleaning of the original sand blasting operation is avoided, and a foundation is laid for prolonging the service cycle of a renovated appliance; the high-temperature heating cracking step is cancelled, so that the energy consumption required in the high-temperature heating cracking process is reduced, and the problems of appliance deformation and tail gas environmental protection caused by the high-temperature heating cracking process are solved.

Drawings

FIG. 1 is a schematic structural view of an environment-friendly cleaning device for food utensils free from coating.

Detailed Description

The invention is further illustrated by the following specific figures and examples.