阅读说明：本技术 一种防冻性能好的光伏电池板清洗剂及其制备方法 (photovoltaic cell panel cleaning agent with good antifreezing performance and preparation method thereof ) 是由 丁娜娜 于 2018-07-19 设计创作，主要内容包括：本发明涉及太阳能清洁用品领域,具体涉及一种防冻性能好的光伏电池板清洗剂及其制备方法；由以下组分组成：聚氧乙烯脂肪醇醚、磺化琥珀二己酯钠盐、椰子酰基二乙醇胺,焦磷酸钠、缓冲液、异丙醇、蒸馏水；本发明制备的清洗剂具有优良的防冻性能,在清洗剂的制备过程中通过利用缓冲液使得组份B的pH值保持在7～8,这样组份B呈弱碱性,能有效加强清洗剂的清洗效果；脂肪醇聚氧乙烯醚中引入氢氧化钠和环氧丙烷,聚醚分子结构可降低其粘度改善其流动性,使得改性脂肪醇聚氧乙烯醚具有低泡性,有利于提高洗涤性,改性脂肪醇聚氧乙烯醚与磺化琥珀二己酯钠盐、椰子酰基二乙醇胺和焦磷酸钠的配伍性好,四者相互协同作用高效清洗光伏电池板。(The invention relates to the field of solar cleaning products, in particular to photovoltaic cell panel cleaning agents with good antifreezing performance and a preparation method thereof.)

The photovoltaic cell panel cleaning agent with good antifreezing performance is characterized by comprising, by weight, 1-3 parts of polyoxyethylene fatty alcohol ether, 3-4 parts of sodium sulfosuccinate, 4-5 parts of cocoyl diethanolamine, 3-5 parts of sodium pyrophosphate, 25-36 parts of a buffer solution, 30-40 parts of isopropanol and 45-50 parts of distilled water.

2. The photovoltaic cell panel cleaning agent with good antifreezing performance as defined in claim 1, wherein the preparation method comprises the following steps:

a. weighing sodium hydroxide with the mass of 5% of polyoxyethylene fatty alcohol ether, mixing the sodium hydroxide and the polyoxyethylene fatty alcohol ether, putting the mixture into an external circulation type ethoxylation reactor, circularly introducing protective gas, heating to 20-30 ℃, slowly adding 1-2 mol of propylene oxide, controlling the temperature to 25-34 ℃ and the pressure to 0.4-0.6 Mpa, and then preserving heat and reducing the pressure to normal pressure to obtain a component A;

b. neutralizing the component A with acetic acid with the mass of 5% of polyoxyethylene fatty alcohol ether to obtain modified fatty alcohol-polyoxyethylene ether;

c. adding distilled water into the modified polyoxyethylene fatty alcohol ether, sodium sulfosuccinate dihexyl ester, cocoyl diethanolamine, sodium pyrophosphate and isopropanol, mixing to obtain a component B, heating and stirring the component B, controlling the temperature at 37-40 ℃, reacting for 2-3 h, adding a buffer solution to adjust the pH value of the component B, keeping the pH value at 7-8, and finally standing and cooling the component B to obtain a finished cleaning agent.

3. The photovoltaic cell panel cleaning agent with good antifreezing performance as defined in claim 1, wherein the preparation method of the buffer solution comprises the steps of taking 5.05g of barbiturate sodium, adding 3.7g of sodium chloride and a proper amount of distilled water, preparing the three into a solution, taking 0.5g of gelatin and a proper amount of distilled water, heating to dissolve the gelatin, then adding the gelatin into the solution, and then adjusting the pH to 7.8 by using 0.2mol/L hydrochloric acid solution.

4. The method for preparing photovoltaic cell panel cleaning agents with good antifreezing performance according to claim 2, wherein the protective gas in step a is nitrogen.

5. The preparation method of photovoltaic cell panel cleaning agents with good antifreezing performance according to claim 2, wherein the mass concentrations of sodium hydroxide and acetic acid in the step a are both 5-10%.

6. The preparation method of the photovoltaic cell panel cleaning agents with good antifreezing performance according to claim 2, wherein the stirring speed of the component B in the step c is 300-350 r/min, and the stirring time of the component B is 15-30 min.

Technical Field

The invention relates to the field of solar cleaning products, in particular to photovoltaic cell panel cleaning agents with good antifreezing performance and a preparation method thereof.

Background

The photovoltaic power station is built, the power generation amount is basically eaten by the heaven, the main way which can be controlled by manpower is to clean the surface of the component except for avoiding the loss caused by the fault of electrical equipment, the 83 point is particularly obvious in the place with pollution and dust, the influence of the accumulated dust on the solar photovoltaic power station is that the dust is used as a substance with a small heat conduction coefficient and attached to the surface of the photovoltaic panel to block the heat of the photovoltaic panel from being transmitted outwards, so that the heat of the photovoltaic panel cannot be released, the temperature of the photovoltaic panel is high, the efficiency of the photovoltaic power generation is influenced, meanwhile, the risk of local overheating and spontaneous combustion of the panel is possibly generated, namely, the hot spot effect, the temperature effect of the accumulated dust directly influences the temperature of the component, the power output of the photovoltaic component is influenced, the safety hazard of the local overheating of the component is caused, the influence of the local overheating of the photovoltaic power generation by the temperature effect of the accumulated dust on the surface of the component is obviously influenced by the dirt on the principle that the local overheating of the dirt on the surface of the photovoltaic power generation component, the dirt is generated, the dirt on the surface of the photovoltaic power generation component, the photovoltaic power generation efficiency of the photovoltaic component is obviously reduced, the principle that the dirt is generated by the dirt, the dirt on the surface of the dirt on the photovoltaic power generation efficiency of the photovoltaic power generation component, the dirt on the photovoltaic power generation efficiency of the photovoltaic power generation component, the photovoltaic power generation area, the dirt on.

Disclosure of Invention

Aiming at the problems, the photovoltaic cell panel cleaning agents with good antifreezing performance, which are prepared by the invention, can efficiently clean stubborn stains on the surface of a photovoltaic cell panel component and have good antifreezing performance.

In order to achieve the purpose, the invention adopts the following technical scheme:

photovoltaic cell panel cleaning agents with good antifreezing performance comprise, by weight, 1-3 parts of polyoxyethylene fatty alcohol ether, 3-4 parts of sodium sulfosuccinate, 4-5 parts of cocoyl diethanolamine, 3-5 parts of sodium pyrophosphate, 25-36 parts of buffer solution, 30-40 parts of isopropanol and 45-50 parts of distilled water.

Preferably, the preparation method of the photovoltaic cell panel cleaning agents with good antifreezing performance comprises the following steps:

a. weighing sodium hydroxide with the mass of 5% of polyoxyethylene fatty alcohol ether, mixing the sodium hydroxide and the polyoxyethylene fatty alcohol ether, putting the mixture into an external circulation type ethoxylation reactor, circularly introducing protective gas, heating to 20-30 ℃, slowly adding 1-2 mol of propylene oxide, controlling the temperature to 25-34 ℃ and the pressure to 0.4-0.6 Mpa, and then preserving heat and reducing the pressure to normal pressure to obtain a component A;

b. neutralizing the component A with acetic acid with the mass of 5% of polyoxyethylene fatty alcohol ether to obtain modified fatty alcohol-polyoxyethylene ether;

c. adding distilled water into the modified polyoxyethylene fatty alcohol ether, sodium sulfosuccinate dihexyl ester, cocoyl diethanolamine, sodium pyrophosphate and isopropanol, mixing to obtain a component B, heating and stirring the component B, controlling the temperature at 37-40 ℃, reacting for 2-3 h, adding a buffer solution to adjust the pH value of the component B, keeping the pH value at 7-8, and finally standing and cooling the component B to obtain a finished cleaning agent.

Preferably, the preparation method of the buffer solution comprises the following steps: taking 5.05g of barbiturate sodium, adding 3.7g of sodium chloride and a proper amount of distilled water, preparing the three into a solution, taking 0.5g of gelatin, adding a proper amount of distilled water, heating to dissolve, then adding the gelatin into the solution, and then adjusting the pH value to 7.8 by using 0.2mol/L hydrochloric acid solution.

Preferably, the protective gas in step a is nitrogen.

Preferably, the mass concentration of the sodium hydroxide and the mass concentration of the acetic acid in the step a are both 5-10%.

Preferably, the stirring speed of the component B in the step c is 300-350 r/min, and the stirring time of the component B is 15-30 min.

By adopting the technical scheme, the invention has the beneficial effects that:

1. the cleaning agent prepared by the invention has excellent antifreezing performance, and the pH value of the component B is kept at 7-8 by using the buffer solution in the preparation process of the cleaning agent, so that the component B is alkalescent, and the cleaning effect of the cleaning agent can be effectively enhanced.

2. Sodium hydroxide and propylene oxide are introduced into the fatty alcohol-polyoxyethylene ether, the polyether molecular structure can reduce the viscosity of the fatty alcohol-polyoxyethylene ether and improve the fluidity of the fatty alcohol-polyoxyethylene ether, so that the modified fatty alcohol-polyoxyethylene ether has low foaming property and is beneficial to improving the washing property, the modified fatty alcohol-polyoxyethylene ether has good compatibility with sodium sulfosuccinate dihexyl ester, cocoyl diethanolamine and sodium pyrophosphate, and the four components are mutually synergistic to efficiently clean the photovoltaic cell panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.