Recyclable environment-friendly anti-freezing agent

Abstract

The invention discloses a recyclable environment-friendly antifreezing agent, and particularly relates to the technical field of antifreezing agents, the recyclable environment-friendly antifreezing agent comprises the following raw materials by weight: 10%-20% of glucose, 15%-25% of sodium hydroxide, 0.03%-0.1% of a corrosion inhibitor, 1%-5% of a flame retardant, and the balance of water; the corrosion inhibitor is 1-hydroxyethylidene-1, 1-diphosphonic acid; the flame retardant is aluminum hydroxide. Glucose used as a carbon source in a sewage treatment plant and sodium hydroxide used for adjusting pH in the sewage treatment plant are used as raw materials of the environment-friendly anti-freezing agent, so that the environment-friendly anti-freezing agent can be suitable for fire-fighting water at low temperature; the fire-fighting water added with the anti-freezing agent can be used as a medicine to be recycled in the process flow of a sewage treatment plant after winter, so that resource waste is avoided, and the operation cost of an enterprise is greatly reduced.

Description

Technical Field

[0001] The invention relates to the technical field of antifreeze agents, and more particularly to a recyclable and environmentally friendly antifreeze agent. Background Art

[0002] Antifreeze is an additive that prevents water from condensing from liquid to ice by lowering its freezing point. Antifreeze is not only commonly used in concrete and cooling systems of cars, train locomotives, tractors, ships, engines, water tanks, and various mechanical equipment, but is also used in the field of fire-fighting water. In the cold winter, when the temperature is below zero, the water in the fire-fighting pipes is prone to freezing and expansion, causing the pipes to rupture, deform, or even break. The addition of antifreeze can lower the freezing point of water, so that the water in the fire-fighting pipes can still flow in liquid form at low temperatures, thereby avoiding safety hazards caused by freezing and ensuring that the fire-fighting system can operate normally in winter. Moreover, fire-fighting pipes are in a humid environment for a long time and are susceptible to corrosion and rust. The additives in antifreeze can form a protective film with the metal surface, slowing down the corrosion rate and extending the service life of the fire-fighting pipes.

[0003] The existing sewage treatment industry requires that the factory area must be equipped with a fire extinguishing system. In order to maintain a certain water temperature and prevent the fire water from freezing and affecting its use, the fire water storage tanks used in the factory area need to be antifreeze treated in winter. The method used in the prior art is mainly: a heating coil is set in the fire water storage tank, and the fire water is heated by exchanging heat between the surface of the heating coil and the fire water. The disadvantage of this method is that it increases the operating costs of the enterprise. If an antifreeze as shown in the prior art publication numbers CN108997985A and CN107986660A is added to the fire water, although the problem of freezing of the fire water can be solved, the above antifreeze will not work after the winter is over, which will cause a waste of resources and also increase the operating costs of the enterprise. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a recyclable environmentally friendly antifreeze. By using glucose used as a carbon source in a sewage treatment plant and sodium hydroxide used for adjusting pH in a sewage treatment plant as raw materials for the environmentally friendly antifreeze, the antifreeze can be used in fire water when the temperature is low, and can also be recycled and reused as a medicine in the process flow of the sewage treatment plant after winter, so as to avoid wasting resources and greatly reduce the operating costs of the enterprise, so as to solve the problems arising from the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a recyclable environmentally friendly antifreeze agent, wherein the raw materials used include 10%-20% glucose, 15%-25% sodium hydroxide, 0.03%-0.1% corrosion inhibitor, 1%-5% flame retardant, and the balance is water; The corrosion inhibitor is hydroxyethylidene diphosphonic acid; The flame retardant is aluminum hydroxide.

[0006] In a preferred embodiment, the raw materials used include, by weight percentage, 10% glucose, 15% sodium hydroxide, 0.03% hydroxyethylidene diphosphonic acid, 1% aluminum hydroxide, and 73.97% water.

[0007] In a preferred embodiment, the raw materials used include 15% glucose, 20% sodium hydroxide, 0.05% hydroxyethylidene diphosphonic acid, 3% aluminum hydroxide, and 61.95% water in terms of weight percentage.

[0008] In a preferred embodiment, the raw materials used include 20% glucose, 25% sodium hydroxide, 0.1% hydroxyethylidene diphosphonic acid, 5% aluminum hydroxide, and 49.9% water in terms of weight percentage.

[0009] The present invention also includes the use of the above-mentioned recyclable environmentally friendly antifreeze in the field of fire-fighting water: the antifreeze is uniformly mixed in a storage tank of fire-fighting water.

[0010] The present invention also includes the application of the above-mentioned recyclable environmentally friendly antifreeze in the field of sewage treatment plants: the fire-fighting water added with the environmentally friendly antifreeze is recycled in the sewage treatment process of the sewage treatment plant to supplement the carbon source required in the treatment process, adjust the pH of the sewage, and avoid wasting resources.

[0011] Technical effects and advantages of the present invention: In view of the problem that existing antifreeze is wasted in seasons other than winter, the present invention specifically uses glucose used as a carbon source in sewage treatment plants and sodium hydroxide used to adjust pH in sewage treatment plants as raw materials for environmentally friendly antifreeze, so that it can be used in fire water when the temperature is low, and can also be recycled and reused as a medicine in the process flow of sewage treatment plants after winter, so as to avoid waste of resources and greatly reduce the operating costs of enterprises.

[0012] The antifreeze provided by the present invention can not only effectively reduce the freezing point of water, but also solve the problem of corrosion of metal pipes, metal facilities, etc. caused by the existing antifreeze for salt water during use, and also has good flame retardancy.

[0013] After the present invention is added into water, the aqueous solution has a low freezing point and low biological toxicity, and can be naturally degraded after being discharged, which is environmentally friendly and pollution-free. DETAILED DESCRIPTION

[0014] The following will be combined with specific embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0015] The invention provides a recyclable environmentally friendly antifreeze agent. The raw materials used include, by weight percentage, 10%-20% glucose, 15%-25% sodium hydroxide, 0.03%-0.1% corrosion inhibitor, 1%-5% flame retardant, and the balance is water; the corrosion inhibitor is hydroxyethylidene diphosphonic acid; and the flame retardant is aluminum hydroxide.

[0016] Specifically in this embodiment, the raw materials used include 10% glucose, 15% sodium hydroxide, 0.03% hydroxyethylidene diphosphonic acid, 1% aluminum hydroxide, and 73.97% water in terms of weight percentage.

[0017] The preparation method of the antifreeze is as follows: weigh raw materials according to the ratio of 10% glucose, 15% sodium hydroxide, 0.03% hydroxyethylidene diphosphonic acid, 1% aluminum hydroxide and 73.97% water, and mix them evenly to obtain an environmentally friendly antifreeze product; When in use, the prepared environmentally friendly antifreeze product can be directly mixed with fire water evenly, and the fire water added with antifreeze can be placed in a fire water storage tank for standby use to prevent the fire water from freezing in the low temperature winter.

[0018] After the winter is over, the fire-fighting water with antifreeze added can be flowed into the treatment process of the sewage treatment plant, so that the glucose added in the antifreeze can be used as a carbon source and the added sodium hydroxide can adjust the pH of the aqueous solution. At the same time, the corrosion inhibitor and flame retardant used in the present invention are both agents required in the sewage treatment plant. This fire-fighting water can also be used as an additive in the production process of the sewage treatment plant in other seasons when antifreeze is not required, which greatly reduces the operating costs of the enterprise.

[0019] It is worth emphasizing that the present invention uses hydroxyethylidene diphosphonic acid as a corrosion inhibitor, which can form a stable complex with metal ions and a stable adduct with a compound containing active oxygen, so that the active oxygen remains stable and has low toxicity. It can not only have a certain corrosion inhibition effect on metal pipes, but also is a good scale inhibitor to prevent scaling of the pipe wall caused by precipitation. The present invention uses aluminum hydroxide as a flame retardant, which can enhance the flame retardant effect of water in the fire water tank, making it easier for the flame retardant liquid to infiltrate the surface of the ignition point, thereby playing a role in flame retardant synergism.

[0020] After the antifreeze prepared in this embodiment was added to the fire water, it was found that the water in the fire water tank did not freeze in winter, and the fire water tank and the fire pipe did not rust; The fire extinguishing effects of ordinary water and fire-fighting water with antifreeze added were compared, and it was found that the fire-fighting water in this embodiment had a better fire-fighting effect. Example

[0021] Different from Example 1, the raw materials used in this example include 15% glucose, 20% sodium hydroxide, 0.05% hydroxyethylidene diphosphonic acid, 3% aluminum hydroxide, and 61.95% water in terms of weight percentage.

[0022] The preparation method of the antifreeze is as follows: raw materials are weighed according to the ratio of 15% glucose, 20% sodium hydroxide, 0.05% hydroxyethylidene diphosphonic acid, 3% aluminum hydroxide and 61.95% water, and the raw materials are uniformly mixed to obtain an environmentally friendly antifreeze product.

[0023] After the antifreeze prepared in this embodiment was added to the fire water, it was found that the water in the fire water tank did not freeze in winter, and the fire water tank and the fire pipe did not rust; The fire extinguishing effects of ordinary water and fire-fighting water with antifreeze added were compared, and it was found that the fire-fighting water in this embodiment had a better fire-fighting effect. Example

[0024] Different from Example 1, the raw materials used in this example include 20% glucose, 25% sodium hydroxide, 0.1% hydroxyethylidene diphosphonic acid, 5% aluminum hydroxide, and 49.9% water in terms of weight percentage.

[0025] The preparation method of the antifreeze is as follows: weigh raw materials according to the ratio of 20% glucose, 25% sodium hydroxide, 0.1% hydroxyethylidene diphosphonic acid, 5% aluminum hydroxide and 49.9% water, mix them evenly, and then obtain the environmentally friendly antifreeze finished product.

[0026] After the antifreeze prepared in this embodiment was added to the fire water, it was found that the water in the fire water tank did not freeze in winter, and the fire water tank and the fire pipe did not rust; The fire extinguishing effects of ordinary water and fire-fighting water with antifreeze added were compared, and it was found that the fire-fighting water in this embodiment had a better fire-fighting effect.

[0027] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A recyclable environmentally friendly antifreeze agent, characterized in that: The raw materials used include glucose 10%-20%, sodium hydroxide 15%-25%, corrosion inhibitor 0.03%-0.1%, flame retardant 1%-5%, and the balance is water. The corrosion inhibitor is hydroxyethylidene diphosphonic acid; The flame retardant is aluminum hydroxide.

2. The recyclable environmentally friendly antifreeze agent according to claim 1, characterized in that: The raw materials used include 10% glucose, 15% sodium hydroxide, 0.03% hydroxyethylidene diphosphonic acid, 1% aluminum hydroxide, and 73.97% water in terms of weight percentage.

3. The recyclable environmentally friendly antifreeze agent according to claim 1, characterized in that: The raw materials used include 15% glucose, 20% sodium hydroxide, 0.05% hydroxyethylidene diphosphonic acid, 3% aluminum hydroxide and 61.95% water in terms of weight percentage.

4. The recyclable environmentally friendly antifreeze agent according to claim 1, characterized in that: The raw materials used include 20% glucose, 25% sodium hydroxide, 0.1% hydroxyethylidene diphosphonic acid, 5% aluminum hydroxide, and 49.9% water in terms of weight percentage.

5. Application of the recyclable environmentally friendly antifreeze according to any one of claims 1 to 4 in the field of fire-fighting water.

6. Use of the recyclable environmentally friendly antifreeze according to any one of claims 1 to 4 in the field of sewage treatment plants.