Wax recycling method
By processing waste wax materials through vacuum heating and chemical dilution, the problem of the insufficient simplicity and effectiveness of waste wax material recycling has been solved, achieving efficient wax recovery and resource recycling.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2026-03-24
AI Technical Summary
In existing technologies, the methods for recycling waste wax are not simple or effective enough, leading to resource waste and environmental pollution.
Waste wax is processed using vacuum heating and chemical dilution methods. This includes melting the wax in a vacuum chamber, separating impurities, heating it to boiling point with deionized water, adding hydrochloric acid solution and alum for boiling, allowing it to settle and precipitate impurities, and finally obtaining pure wax.
It achieves efficient recycling of waste wax materials, obtaining pure wax with a purity of over 98%, reducing resource waste and environmental pollution.
Smart Images
Figure CN121718367A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of wax recycling, in particular to a wax recycling method. BACKGROUND
[0002] Wax recycling refers to the recycling of used wax or wax products to reduce resource waste and environmental burden. For used wax or wax products, recycling can be achieved by melting and then making candles or other wax products again. This approach can extend the service life of raw materials and reduce waste. If discarded without treatment, the chemicals in the wax products can pollute the soil and water sources, causing harm to the environment. Additionally, randomly discarding wax products also wastes resources. Therefore, a simple and effective wax recycling method is needed. SUMMARY
[0003] The purpose of the present application is to provide a wax recycling method that can simply and effectively recycle wax.
[0004] To achieve the above purpose, the present application provides a wax recycling method, comprising:
[0005] Placing the waste wax material in a vacuum chamber for a first predetermined time, controlling the temperature in the vacuum chamber to a predetermined temperature, and controlling the vacuum degree to a predetermined vacuum degree, so that the waste wax material melts;
[0006] After the melted waste wax material cools and separates into layers, the bottom layer containing impurities is obtained;
[0007] The impurity-containing wax is placed in a water tank, deionized water is added, and heated to boiling state to obtain a first wax liquid;
[0008] A predetermined concentration of hydrochloric acid solution and a predetermined weight of alum are added to the first wax liquid, and cooked for a second predetermined time, and maintained at boiling state for a third predetermined time to obtain a second wax liquid;
[0009] The second wax liquid is left to stand in the water tank for a fourth predetermined time, so that the impurities in the second wax liquid precipitate, and the pure wax is obtained according to the supernatant wax water on the surface.
[0010] Further, the first predetermined time is 15 minutes.
[0011] Further, the predetermined temperature is 25-30℃, and the predetermined vacuum degree is -75kPa.
[0012] Further, the volume ratio of deionized water to impurity-containing wax is 5:1.
[0013] Further, the preset concentration is 2% to 3%.
[0014] Further, the weight of the hydrochloric acid solution is 10% to 15% of the weight of the first wax liquid.
[0015] Further, the preset weight is 50g.
[0016] Further, the second preset time is 60min.
[0017] Further, the third preset time is 10min.
[0018] Further, the fourth preset time is more than 1h.
[0019] Compared with the prior art, the embodiment of the present application provides a wax recycling method, first, the waste wax material is placed in the vacuum chamber for a first preset time, and the temperature in the vacuum chamber is controlled to be a preset temperature, and the vacuum degree is controlled to be a preset vacuum degree, so that the waste wax material is melted; then, after the melted waste wax material is cooled and layered, the bottom layer containing impurities is obtained; then, the wax containing impurities is put into a water tank, deionized water is added, and heated to boiling state to obtain a first wax liquid; then, a preset concentration of hydrochloric acid solution and a preset weight of alum are added to the first wax liquid, and boiled for a second preset time, and kept in boiling state for a third preset time to obtain a second wax liquid; finally, the second wax liquid is placed in the water tank for a fourth preset time, so that the impurities in the second wax liquid are precipitated, and the pure wax is obtained according to the supernatant wax water. The embodiment of the present application treats the waste wax material by vacuum heating and chemical dilution, so that the waste wax material is fully recycled, so that the recycling of wax can be simply and effectively realized. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is a flow chart of one preferred embodiment of the wax recycling method provided by the present application. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0022] The embodiment of the present application provides a wax recycling method, as shown in Figure 1 is a flow chart of one preferred embodiment of the wax recycling method provided by the present application. The method comprises steps S11 to S15:
[0023] Step S11: Place the waste wax material in a vacuum chamber and maintain it for a first preset time, while controlling the temperature and vacuum level in the vacuum chamber to a preset temperature and a preset vacuum level, so that the waste wax material melts.
[0024] Step S12: After the melted waste wax material cools and separates into layers, obtain the bottom layer of wax containing impurities;
[0025] Step S13: Place the wax containing impurities into a water tank, add deionized water, and heat to boiling to obtain the first wax liquid;
[0026] Step S14: Add a hydrochloric acid solution of a preset concentration and alum of a preset weight to the first wax liquid, and boil for a second preset time, and maintain the boiling state for a third preset time to obtain the second wax liquid;
[0027] Step S15: Let the second wax liquid stand in the water tank for a fourth preset time to allow impurities in the second wax liquid to precipitate, and obtain pure wax based on the clear wax liquid on the surface.
[0028] In practice, firstly, the collected waste wax (e.g., wax fragments) is placed in a sealed vacuum chamber, and the bottom of the chamber is heated to maintain the temperature and vacuum level within the chamber at a preset level. Under these conditions, the waste wax is kept in the vacuum chamber for a first preset time to melt. Then, after the melted waste wax cools and separates into layers, the pure surface wax is removed, leaving only the bottom layer containing impurities. This bottom layer of impure wax is then collected. Next, the obtained wax containing impurities is placed in a water tank, and deionized water (i.e., DI water) is added. The water tank is then heated to mix the deionized water and the wax containing impurities. The mixture is heated to a boiling state to obtain a first wax liquid. Then, a hydrochloric acid solution of a preset concentration and a predetermined weight of alum are slowly added to the first wax liquid. The mixture of the first wax liquid, hydrochloric acid solution, and alum is then boiled for a second preset time to bring it to a boiling state. This boiling state is maintained for a third preset time to obtain a second wax liquid. Finally, the second wax liquid is left to stand in a water tank for a fourth preset time to allow impurities to precipitate. Pure wax is obtained from the clear wax liquid on the surface. For example, the clear wax liquid on the surface can be poured into a wax basin, cast into wax ingots, and poured out after the wax ingots have cooled and hardened to obtain clean pure wax with a purity of over 98%.
[0029] In one alternative embodiment, the first preset time is 15 minutes.
[0030] Specifically, in conjunction with the above embodiments, after the collected waste wax is placed in a sealed vacuum chamber, the waste wax needs to be kept in the vacuum chamber for 15 minutes.
[0031] In one optional embodiment, the preset temperature is 25°C to 30°C, and the preset vacuum degree is -75 kPa.
[0032] Specifically, in conjunction with the above embodiments, after the collected waste wax is placed in a sealed vacuum chamber, the temperature inside the vacuum chamber needs to be maintained within the range of 25°C to 30°C, and the vacuum level inside the vacuum chamber needs to be maintained at -75 kPa.
[0033] For example, the temperature inside the vacuum chamber can be 25°C, 26°C, 27°C, 28°C, 29°C or 30°C, and can also be set according to actual needs. This embodiment of the invention does not make specific limitations.
[0034] It should be noted that after the collected waste wax is placed in a sealed vacuum chamber, the temperature inside the vacuum chamber is controlled at 25℃~30℃ and the vacuum degree is -75kPa. At this time, the air pressure is low, so the waste wax can melt under these conditions (the melting point of wax is usually 75℃~80℃). In this way, the moisture in the waste wax can be evaporated. At the same time, because the waste wax is kept in the vacuum chamber for a short time (15 minutes), the wax will not oxidize or deteriorate, nor will it undergo a saponification reaction.
[0035] In one alternative embodiment, the volume ratio of the deionized water to the wax containing impurities is 5:1.
[0036] Specifically, in conjunction with the above embodiments, when placing wax containing impurities into a water tank and adding deionized water to the water tank, the volume ratio between the added deionized water and the wax containing impurities is 5:1.
[0037] In one optional embodiment, the preset concentration is 2% to 3%.
[0038] Specifically, in conjunction with the above embodiments, the concentration of the hydrochloric acid solution slowly added to the first wax liquid is in the range of 2% to 3%.
[0039] For example, the concentration of the hydrochloric acid solution can be 2%, 2.1%, 2.2%, 2.3%, 2.4%, 2.5%, 2.6%, 2.7%, 2.8%, 2.9%, or 3%, and can also be set according to actual needs. This embodiment of the invention does not impose specific limitations.
[0040] In one optional embodiment, the hydrochloric acid solution has a weight of 10% to 15% of the weight of the first wax solution.
[0041] Specifically, in conjunction with the above embodiments, when a hydrochloric acid solution with a concentration of 2% to 3% is slowly added to the first wax liquid, the weight of the hydrochloric acid solution is 10% to 15% of the weight of the first wax liquid.
[0042] For example, the weight ratio of hydrochloric acid solution to the first wax liquid can be 10%, 11%, 12%, 13%, 14% or 15%, and can also be set according to actual needs. This embodiment of the invention does not make specific limitations.
[0043] In one alternative embodiment, the preset weight is 50g.
[0044] Specifically, in conjunction with the above embodiments, the weight of alum added to the first wax liquid is 50 grams.
[0045] In one optional embodiment, the second preset time is 60 minutes.
[0046] Specifically, in conjunction with the above embodiments, when the mixture of the first wax liquid, hydrochloric acid solution and alum is boiled, the boiling time is 60 minutes to boil the mixture of the first wax liquid, hydrochloric acid solution and alum to a boiling state.
[0047] In one optional embodiment, the third preset time is 10 minutes.
[0048] Specifically, in conjunction with the above embodiments, after boiling the mixture of the first wax liquid, hydrochloric acid solution and alum for 60 minutes to bring the mixture to a boiling state, it needs to be maintained at the boiling state for 10 minutes.
[0049] In one optional embodiment, the fourth preset time is 1 hour or more.
[0050] Specifically, in conjunction with the above embodiments, when the second wax liquid is left to stand in the water tank, the second wax liquid needs to stand in the water tank for more than 1 hour.
[0051] Based on all the above embodiments, the implementation process of this solution is described below through the first specific embodiment, including: (1) placing the collected waste wax (e.g., wax fragments, etc.) in a sealed vacuum chamber and heating the bottom of the vacuum chamber to control the temperature inside the vacuum chamber to be maintained at 25°C, while controlling the vacuum degree inside the vacuum chamber to be maintained at -75kPa. Under these conditions, the waste wax is kept in the vacuum chamber for 15 minutes to melt the waste wax; (2) after the melted waste wax has cooled and separated into layers, the pure wax on the surface is removed, leaving only the wax containing impurities at the bottom layer, and the wax containing impurities at the bottom layer is obtained; (3) the obtained wax containing impurities is placed in a water tank, and deionized water is added to the water tank, with the volume ratio between the added deionized water and the wax containing impurities being 5:1. Afterwards, the water tank is heated to bring the mixture of deionized water and wax containing impurities to a boiling state, and the first wax liquid is obtained accordingly; (4) a 2% hydrochloric acid solution is slowly added to the first wax liquid, and the weight of the added hydrochloric acid solution is 15% of the weight of the first wax liquid, and 50g of alum is added to the first wax liquid. Then, the mixture of the first wax liquid, hydrochloric acid solution and alum is boiled for 60 minutes to bring the mixture of the first wax liquid, hydrochloric acid solution and alum to a boiling state, and kept at a boiling state for 10 minutes to obtain the second wax liquid accordingly; (5) the second wax liquid is left to stand in the water tank for more than 1 hour to allow the impurities in the second wax liquid to precipitate. The clear wax liquid on the surface is poured into a wax basin and cast into a wax ingot. After the wax ingot cools and hardens, it is poured out to obtain pure wax with a purity of more than 98%.
[0052] Based on all the above embodiments, the implementation process of this solution is described below through a second specific embodiment, including: (1) placing the collected waste wax (e.g., wax fragments, etc.) in a sealed vacuum chamber and heating the bottom of the vacuum chamber to control the temperature inside the vacuum chamber to be maintained at 28°C, while controlling the vacuum degree inside the vacuum chamber to be maintained at -75kPa. Under these conditions, the waste wax is kept in the vacuum chamber for 15 minutes to melt the waste wax; (2) after the melted waste wax has cooled and separated into layers, the pure wax on the surface is removed, leaving only the wax containing impurities at the bottom layer, and the wax containing impurities at the bottom layer is obtained; (3) the obtained wax containing impurities is placed in a water tank, and deionized water is added to the water tank, with the volume ratio between the added deionized water and the wax containing impurities being 5:1, and then... (3) Heat the water tank to heat the mixture of deionized water and wax containing impurities to boiling point to obtain the first wax liquid; (4) Slowly add a 2.5% hydrochloric acid solution to the first wax liquid, and the weight of the added hydrochloric acid solution is 12% of the weight of the first wax liquid. Add 50g of alum to the first wax liquid. Then, cook the mixture of the first wax liquid, hydrochloric acid solution and alum for 60 minutes to cook the mixture of the first wax liquid, hydrochloric acid solution and alum to boiling point and maintain boiling point for 10 minutes to obtain the second wax liquid; (5) Let the second wax liquid stand in the water tank for more than 1 hour to allow the impurities in the second wax liquid to precipitate. Pour the clear wax liquid on the surface into a wax basin and cast it into a wax ingot. After the wax ingot cools and hardens, pour it out to obtain pure wax with a purity of more than 98%.
[0053] Based on all the above embodiments, the implementation process of this solution is described below through a third specific embodiment, including: (1) placing the collected waste wax (e.g., wax fragments, etc.) in a sealed vacuum chamber and heating the bottom of the vacuum chamber to maintain the temperature inside the vacuum chamber at 30°C, while maintaining the vacuum degree inside the vacuum chamber at -75 kPa. Under these conditions, the waste wax is kept in the vacuum chamber for 15 minutes to melt the waste wax; (2) after the melted waste wax has cooled and separated into layers, the pure wax on the surface is removed, leaving only the wax containing impurities at the bottom layer, and the wax containing impurities at the bottom layer is obtained; (3) the obtained wax containing impurities is placed in a water tank, and deionized water is added to the water tank, with the volume ratio between the added deionized water and the wax containing impurities being 5:1. Afterwards, the water tank is heated to bring the mixture of deionized water and wax containing impurities to a boiling state, and the first wax liquid is obtained accordingly; (4) a 3% hydrochloric acid solution is slowly added to the first wax liquid, and the weight of the added hydrochloric acid solution is 10% of the weight of the first wax liquid, and 50g of alum is added to the first wax liquid. Then, the mixture of the first wax liquid, hydrochloric acid solution and alum is boiled for 60 minutes to bring the mixture of the first wax liquid, hydrochloric acid solution and alum to a boiling state, and kept at a boiling state for 10 minutes to obtain the second wax liquid accordingly; (5) the second wax liquid is left to stand in the water tank for more than 1 hour to allow the impurities in the second wax liquid to precipitate, the clear wax liquid on the surface is poured into the wax basin and cast into wax ingots. After the wax ingots are cooled and hardened, they are poured out to obtain pure wax with a purity of more than 98%.
[0054] In summary, the wax recycling method provided by this invention involves first placing waste wax in a vacuum chamber for a first preset time, controlling the temperature and vacuum level within the chamber to a preset value, thereby melting the waste wax. Then, after the melted waste wax cools and separates into layers, the bottom layer containing impurities is obtained. Next, the wax containing impurities is placed in a water tank, deionized water is added, and the mixture is heated to boiling to obtain a first wax liquid. Then, a hydrochloric acid solution of a preset concentration and a preset weight of alum are added to the first wax liquid, and the mixture is boiled for a second preset time, maintaining the boiling state for a third preset time to obtain a second wax liquid. Finally, the second wax liquid is left to stand in a water tank for a fourth preset time, allowing the impurities in the second wax liquid to precipitate, and pure wax is obtained from the clear wax liquid on the surface. This invention uses vacuum heating and chemical dilution to process waste wax, enabling its full recovery and simple, effective recycling. Furthermore, this invention is simple and easy to implement, suitable for industrial wax production.
[0055] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.
Claims
1. A method for recycling wax, characterized in that, include: Waste wax is placed in a vacuum chamber for a first preset time, and the temperature and vacuum level in the vacuum chamber are controlled to a preset temperature and a preset vacuum level, so that the waste wax melts. After the melted waste wax material cools and separates into layers, the bottom layer containing impurities is obtained; The wax containing impurities is placed in a water tank, deionized water is added, and the mixture is heated to boiling to obtain the first wax liquid. Add a hydrochloric acid solution of a preset concentration and alum of a preset weight to the first wax liquid, and boil for a second preset time, and maintain the boiling state for a third preset time to obtain a second wax liquid; The second wax liquid is left to stand in the water tank for a fourth preset time, so that the impurities in the second wax liquid settle, and pure wax is obtained from the clear wax liquid on the surface.
2. The method for recycling wax as described in claim 1, characterized in that, The first preset time is 15 minutes.
3. The method for recycling wax as described in claim 1, characterized in that, The preset temperature is 25℃~30℃, and the preset vacuum degree is -75kPa.
4. The method for recycling wax as described in claim 1, characterized in that, The volume ratio of the deionized water to the wax containing impurities is 5:
1.
5. The method for recycling wax as described in claim 1, characterized in that, The preset concentration is 2% to 3%.
6. The method for recycling wax as described in claim 1, characterized in that, The hydrochloric acid solution has a weight of 10% to 15% of the weight of the first wax solution.
7. The method for recycling wax as described in claim 1, characterized in that, The preset weight is 50g.
8. The method for recycling wax as described in claim 1, characterized in that, The second preset time is 60 minutes.
9. The method for recycling wax as described in claim 1, characterized in that, The third preset time is 10 minutes.
10. The method for recycling wax as described in claim 1, characterized in that, The fourth preset time is more than 1 hour.