CN110117505A - It is a kind of using kitchen oil as industrial fuel of raw material and preparation method thereof - Google Patents

Abstract

The invention discloses an industrial fuel using cooking oil as a raw material, which belongs to the technical field of petrochemical industry. The raw materials are 70-90 parts of cooking oil, 8-12 parts of acetone, 0.1-0.3 parts of auxiliary additives, and calcium oxide in parts by weight. 4-8 parts, 5-8 parts of pine needles, 3-5 parts of caustic soda, its preparation method comprises the following steps: 1, pine needles are mixed with caustic soda and placed in a filter bag for standby; In the centrifugal mixer of the fuel production device; 3. Start the centrifugal mixer to stir the raw materials, and take out the filter bag after stopping; 4. Filter and separate the mixture in the centrifugal mixer, and adjust the pH value of the filtrate through vinegar essence; 5. Static The filtrate can be used to obtain industrial fuel; compared with unextracted low-quality biofuel, the present invention has a good combustion effect, and its cost is relatively low compared to the high-purity fuel produced by refining biomass, which is convenient for commercialization Production.

Description

A kind of industrial fuel using kitchen oil as raw material and its preparation method

technical field

The invention relates to the field of petrochemical technology, in particular to an industrial fuel using kitchen oil as a raw material and a preparation method thereof.

Background technique

In addition to the defect that conventional energy cannot be regenerated, there are also coal nuclei, carbon particles, oil droplets or These unburned substances not only cause waste of fuel, but also pollute the atmosphere, which is one of the reasons for the development of new energy.

However, conventional energy, especially diesel, gasoline and other fuels made from petroleum processing are still the mainstream energy fuels that cannot be replaced by new energy in the short term. Currently, the only renewable fuel energy is biofuel, which is now used in industrial life. Most of the biofuels that come into contact with in the field have the problems of high impurities generated by combustion and relatively low energy provided by combustion. Refining and producing high-purity fuels is costly and cannot be used commercially; on the other hand, cooking oil is a kind of bio-refined substance that has been extracted from animals and plants. It has good prospects for use as biofuel, but there is no relevant technology for producing industrial fuel from cooking oil as a raw material.

Contents of the invention

The technical problem to be solved by the present invention is: to provide an industrial fuel with kitchen oil as raw material and its preparation method, to solve the problem that low-quality biofuel cannot obtain ideal combustion effect when using biofuel, but directly through the There is a problem of high cost in the production of high-purity fuel from biomass extraction.

In order to solve the above problems, the present invention provides the following technical solutions:

An industrial fuel using cooking oil as raw material; the raw material is composed of processed cooking oil, acetone, auxiliary additives for increasing the octane number of gasoline, calcium oxide, pine needles and caustic soda, in parts by weight: cooking oil 70 -90 parts, acetone 8-12 parts, auxiliary additives 0.1-0.3 parts, calcium oxide 4-8 parts, pine needles 5-8 parts, caustic soda 3-5 parts.

Preferably, the following components by weight fraction are also included: 6-8 parts of anhydrous sodium sulfate.

Preferably, the following components by weight fraction are also included: 6-8 parts of No. 3 jet fuel.

Preferably, the pine needles are fresh pine needles with a water content greater than 20%.

Preferably, the auxiliary additive is fuel ethanol, and the acetone is pure acetone.

A kind of preparation method of the industrial fuel that is raw material with cooking oil, comprises the following steps:

Step 1, the pine needles are mixed with caustic soda and placed in a filter bag for subsequent use;

Step 2, install the filter bag with pine needles and caustic soda in step 1 on the rotating shaft of the centrifugal mixer in the fuel production device, put other raw materials into the centrifugal mixer, and make it contact with the filter bag;

Step 3. Start the centrifugal mixer in step 2, keep it at a speed of 2500-3500r/min for 40-60 minutes, and then turn off the centrifugal mixer. When the centrifugal mixer is working, its internal temperature is maintained at 45-150°C. Take it out after it stops. filter bag on the shaft of the centrifugal mixer;

Step 4. Pass the mixed substance in the centrifugal mixer into the filter for filtration, and use qualitative and quantitative paper to analyze and detect the pH value of the filtered liquid; when the pH value is higher than 8, add vinegar essence to the mixed liquid Adjust until the pH is between 6-8, and the mass change of the qualitative and quantitative paper is less than 0.1% after drying;

Step 5. Put the mixed liquid finally obtained in Step 4 at an ambient temperature of 15-35° C. for not less than 24 hours to obtain a biofuel.

Preferably, the centrifugal mixer in the fuel production device includes a stirring barrel with an opening facing upwards and a rotating shaft extending into the stirring barrel; more than one stirring blade is installed on the rotating shaft along its radial direction; the end of the stirring blade is detachable A filter bag is installed on the ground; one end of the rotating shaft is connected to the output end of the motor through a transmission device; a ring-shaped heating device is installed on the mixing bucket along its circumference; a sealing cover is installed on the top of the mixing bucket; A discharge pipe with a valve is also installed.

Further, a storage box that can be opened and closed is provided at the end of the stirring blade; the filter bag is arranged in the storage box; and a filter hole communicating with the inside is opened on the storage box; the filter bag is a bag made of asbestos cloth; And the size of the filter hole on the storage box is greater than the size of the filter hole on the filter bag; the mixing tank is a drum structure; the rotating shaft is arranged in the middle of the mixing tank, and the length of the mixing blade is not less than three times the inner diameter of the mixing tank. Two-thirds; the material contained in the filter bag is a mixture of fresh pine needles and caustic soda.

Further, the transmission device is a gear transmission; its control end platform is set at the bottom position of the side end of the mixing bucket; the heating device is an electric control heating wire, and the electric control heating wire and the transmission device share a control end platform.

Further, the sealing cover has a step-shaped structure, and the step-shaped sealing cover is fixed on the mixing barrel by fastening screws; and an oil sealing ring is also provided at the joint between the step-shaped sealing cover and the mixing barrel; An observation window is arranged at the side end; a pH test pen is installed in the observation window, and one end of the pH test pen is connected with the inside of the mixing tank.

Beneficial effects of the present invention:

The present invention utilizes the characteristic that cooking oil can be used as biodiesel for combustion, and assists the complete combustion of fuel oil by means of various mixed substances added. Currently, when biofuels are used, low-quality biofuels cannot obtain ideal combustion effects, but There is a problem of high cost in directly producing high-purity fuel by refining organisms; the finished industrial fuel of the present invention has a good combustion effect; at the same time, it can also provide a new idea for the recovery and utilization of kitchen oil; among its main components , Kitchen oil is mainly used as the main component of fuel, and it acts as a matrix.

The effect of acetone is to act as a solvent to dilute substances such as lipids, salts, alkaloids and amide compounds that adjust the agglomerated structure in kitchen oil;

The purpose of adding auxiliary additives is to further improve the combustion effect of the fuel and achieve the purpose of supporting combustion.

The substance obtained by mixing pine needles and sodium hydroxide can have an effective anticoagulant effect, and at the same time, pine needles can also filter and adsorb other incombustible impurities in cooking oil; the mixture of pine needles and sodium hydroxide is put into the filter bag , During the stirring process of the centrifuge, the impurities in the kitchen oil will be absorbed into the filter bag; thereby achieving the filtering effect, and at the same time, the pine needles can also improve the smell of the prepared fuel.

The purpose of adding calcium oxide is to absorb the water remaining in the kitchen oil that has not been completely treated; the calcium hydroxide generated through the reaction can also contract with sodium hydroxide to achieve a better anticoagulant effect.

Description of drawings

Fig. 1 is a structural representation of the present invention in an embodiment;

Explanation of reference signs: 1. Stirring bucket, 2. Rotating shaft, 3. Stirring blade, 4. Filter bag, 5. Heating device, 6. Sealing cover, 7. Discharge pipe, 8. PH test pen, 9. Transmission device , 31, storage box, 32, filter hole, 33, observation window, 91, motor.

Detailed ways

The present invention is further described below in conjunction with specific embodiment:

Embodiment 1: the preparation of industrial fuel of the present invention:

Raw material ratio: 70kg of processed kitchen oil, 8kg of pure acetone, 0.1kg of fuel ethanol, 4kg of calcium oxide, 5kg of fresh pine needles with a water content exceeding 20%, and 3kg of caustic soda.

Preparation:

Step 1, mix the pine needles with caustic soda and place them in a filter bag made of asbestos sleeves for later use;

Step 2, install the filter bag with pine needles and caustic soda in step 1 on the rotating shaft of the centrifugal mixer in the fuel production device, put kitchen oil, acetone, fuel ethanol and calcium oxide in the centrifugal mixer, and make it in contact with the filter bag;

Step 3: Start the centrifugal mixer in step 2, keep it at a speed of 2800r/min for 40 minutes, and then turn off the centrifugal mixer. When the centrifugal mixer is working, its internal temperature is maintained at 60°C. After stopping, take out the filter on the shaft of the centrifugal mixer. bag;

Step 4. Pass the mixed substance in the centrifugal mixer into the filter for filtration, and use qualitative and quantitative paper to analyze and detect the pH value of the filtered liquid; when the pH value is higher than 8, add vinegar essence to the mixed liquid Adjust until the pH is between 6-8, and the mass change of the qualitative and quantitative paper is less than 0.1% after drying;

Step 5. Put the mixed liquid finally obtained in Step 4 to stand for 48 hours at an ambient temperature of 27° C. to obtain an industrial fuel.

Embodiment 2: the preparation of industrial fuel of the present invention:

Raw material ratio: 90kg of processed kitchen oil, 12kg of pure acetone, 0.3kg of fuel ethanol, 8kg of calcium oxide, 8kg of fresh pine needles with a water content exceeding 20%, and 5kg of caustic soda.

Preparation:

Step 1, mix the pine needles with caustic soda and place them in a filter bag made of asbestos sleeves for later use;

Step 2, install the filter bag with pine needles and caustic soda in step 1 on the rotating shaft of the centrifugal mixer in the fuel production device, put kitchen oil, acetone, fuel ethanol and calcium oxide in the centrifugal mixer, and make it in contact with the filter bag;

Step 3. Start the centrifugal mixer in step 2, keep it at a speed of 3200r/min for 60 minutes and then turn off the centrifugal mixer. When the centrifugal mixer is working, its internal temperature is maintained at 120°C. After stopping, take out the filter on the shaft of the centrifugal mixer. bag;

Step 4. Pass the mixed substance in the centrifugal mixer into the filter for filtration, and use qualitative and quantitative paper to analyze and detect the pH value of the filtered liquid; when the pH value is higher than 8, add vinegar essence to the mixed liquid Adjust until the pH is between 6-8, and the mass change of the qualitative and quantitative paper is less than 0.1% after drying;

Step 5. Put the mixed liquid finally obtained in Step 4 to stand for 48 hours at an ambient temperature of 27° C. to obtain an industrial fuel.

Embodiment 3: the preparation of industrial fuel of the present invention:

Raw material ratio: 80kg of processed kitchen oil, 10kg of pure acetone, 0.2kg of fuel ethanol, 6kg of calcium oxide, 6.5kg of fresh pine needles with water content exceeding 20%, 4kg of caustic soda.

Preparation:

Step 1, mix the pine needles with caustic soda and place them in a filter bag made of asbestos sleeves for later use;

Step 2, install the filter bag with pine needles and caustic soda in step 1 on the rotating shaft of the centrifugal mixer in the fuel production device, put kitchen oil, acetone, fuel ethanol and calcium oxide in the centrifugal mixer, and make it in contact with the filter bag;

Step 3. Start the centrifugal mixer in step 2, keep it at a speed of 3000r/min for 50 minutes, and then turn off the centrifugal mixer. When the centrifugal mixer is working, its internal temperature is maintained at 85°C. After stopping, take out the filter on the shaft of the centrifugal mixer. bag;

Step 4. Pass the mixed substance in the centrifugal mixer into the filter for filtration, and use qualitative and quantitative paper to analyze and detect the pH value of the filtered liquid; when the pH value is higher than 8, add vinegar essence to the mixed liquid Adjust until the pH is between 6-8, and the mass change of the qualitative and quantitative paper is less than 0.1% after drying;

Step 5. Put the mixed liquid finally obtained in Step 4 to stand for 48 hours at an ambient temperature of 27° C. to obtain an industrial fuel.

Embodiment 4: the preparation of industrial fuel of the present invention:

Raw material ratio: 75kg of processed kitchen oil, 8.5kg of pure acetone, 0.18kg of fuel ethanol, 5kg of calcium oxide, 6kg of fresh pine needles with water content exceeding 20%, 4.5kg of caustic soda, and 6.5kg of anhydrous sodium sulfate.

Preparation:

Step 1, mix the pine needles with caustic soda and place them in a filter bag made of asbestos sleeves for later use;

Step 2, install the filter bag containing pine needles and caustic soda in step 1 on the shaft of the centrifugal mixer in the fuel production device, and put kitchen oil, acetone, fuel ethanol, calcium oxide and anhydrous sodium sulfate into the centrifugal mixer Inside, and make it contact with the filter bag;

Step 3. Start the centrifugal mixer in step 2, keep it at a speed of 3000r/min for 55 minutes and then turn off the centrifugal mixer. When the centrifugal mixer is working, its internal temperature is maintained at 120°C. After stopping, take out the filter on the shaft of the centrifugal mixer. bag;

Step 4. Pass the mixed substance in the centrifugal mixer into the filter for filtration, and use qualitative and quantitative paper to analyze and detect the pH value of the filtered liquid; when the pH value is higher than 8, add vinegar essence to the mixed liquid Adjust until the pH is between 6-8, and the mass change of the qualitative and quantitative paper is less than 0.1% after drying;

Step 5. Put the mixed liquid finally obtained in Step 4 to stand for 72 hours at an ambient temperature of 27° C. to obtain an industrial fuel.

Embodiment 5: the preparation of industrial fuel of the present invention:

Raw material ratio: 85kg of processed kitchen oil, 11kg of pure acetone, 0.25kg of fuel ethanol, 6kg of calcium oxide, 7kg of fresh pine needles with a water content exceeding 20%, 4.8kg of caustic soda, and 7.5kg of anhydrous sodium sulfate.

Preparation:

Step 1, mix the pine needles with caustic soda and place them in a filter bag made of asbestos sleeves for later use;

Step 2, install the filter bag containing pine needles and caustic soda in step 1 on the shaft of the centrifugal mixer in the fuel production device, and put kitchen oil, acetone, fuel ethanol, calcium oxide and anhydrous sodium sulfate into the centrifugal mixer Inside, and make it contact with the filter bag;

Step 3. Start the centrifugal mixer in step 2, keep it at a speed of 2700r/min for 40 minutes and then turn off the centrifugal mixer. When the centrifugal mixer is working, its internal temperature is maintained at 90°C. After stopping, take out the filter on the shaft of the centrifugal mixer. bag;

Step 4. Pass the mixed substance in the centrifugal mixer into the filter for filtration, and use qualitative and quantitative paper to analyze and detect the pH value of the filtered liquid; when the pH value is higher than 8, add vinegar essence to the mixed liquid Adjust until the pH is between 6-8, and the mass change of the qualitative and quantitative paper is less than 0.1% after drying;

Step 5. Put the mixed liquid finally obtained in Step 4 to stand for 72 hours at an ambient temperature of 27° C. to obtain an industrial fuel.

Embodiment 6: the preparation of industrial fuel of the present invention:

Raw material ratio: 80kg of processed kitchen oil, 10.5kg of pure acetone, 0.22kg of fuel ethanol, 5.8kg of calcium oxide, 6.4kg of fresh pine needles with a water content exceeding 20%, 4.2g of caustic soda, and 7.7kg of anhydrous sodium sulfate.

Preparation:

Step 1, mix the pine needles with caustic soda and place them in a filter bag made of asbestos sleeves for later use;

Step 2, install the filter bag containing pine needles and caustic soda in step 1 on the shaft of the centrifugal mixer in the fuel production device, and put kitchen oil, acetone, fuel ethanol, calcium oxide and anhydrous sodium sulfate into the centrifugal mixer Inside, and make it contact with the filter bag;

Step 3. Start the centrifugal mixer in step 2, keep it at a speed of 3100r/min for 58 minutes and then turn off the centrifugal mixer. When the centrifugal mixer is working, its internal temperature is maintained at 45-150°C. After stopping, take out the centrifugal mixer on the shaft filter bags;

Step 4. Pass the mixed substance in the centrifugal mixer into the filter for filtration, and use qualitative and quantitative paper to analyze and detect the pH value of the filtered liquid; when the pH value is higher than 8, add vinegar essence to the mixed liquid Adjust until the pH is between 6-8, and the mass change of the qualitative and quantitative paper is less than 0.1% after drying;

Step 5. Put the mixed liquid finally obtained in Step 4 to stand for 72 hours at an ambient temperature of 27° C. to obtain an industrial fuel.

Embodiment 7: the preparation of industrial fuel of the present invention:

Raw material ratio: 72kg of processed kitchen oil, 9kg of pure acetone, 0.1kg of fuel ethanol, 5kg of calcium oxide, 5.5kg of fresh pine needles with water content exceeding 20%, 3.5kg of caustic soda, and 6.5kg of No. 3 jet fuel.

Preparation:

Step 1, mix the pine needles with caustic soda and place them in a filter bag made of asbestos sleeves for later use;

Step 2. Install the filter bag containing pine needles and caustic soda in step 1 on the rotating shaft of the centrifugal mixer in the fuel production device, and put kitchen oil, acetone, fuel ethanol, calcium oxide and No. 3 jet fuel into the centrifugal mixer Inside, and make it contact with the filter bag;

Step 3. Start the centrifugal mixer in step 2, keep it at a speed of 3400r/min for 45 minutes and then turn off the centrifugal mixer. When the centrifugal mixer is working, its internal temperature is maintained at 100°C. After stopping, take out the filter on the shaft of the centrifugal mixer. bag;

Step 4. Pass the mixed substance in the centrifugal mixer into the filter for filtration, and use qualitative and quantitative paper to analyze and detect the pH value of the filtered liquid; when the pH value is higher than 8, add vinegar essence to the mixed liquid Adjust until the pH is between 6-8, and the mass change of the qualitative and quantitative paper is less than 0.1% after drying;

Step 5. The final mixed liquid obtained in Step 4 is allowed to stand at an ambient temperature of 27° C. for 24 hours to obtain an industrial fuel.

Embodiment 8: the preparation of industrial fuel of the present invention:

Raw material ratio: 87kg of processed kitchen oil, 11kg of pure acetone, 0.3kg of fuel ethanol, 7kg of calcium oxide, 7.4kg of fresh pine needles with a water content exceeding 20%, 4.6kg of caustic soda, and 7.4kg of No. 3 jet fuel.

Preparation:

Step 1, mix the pine needles with caustic soda and place them in a filter bag made of asbestos sleeves for later use;

Step 2. Install the filter bag containing pine needles and caustic soda in step 1 on the rotating shaft of the centrifugal mixer in the fuel production device, and put kitchen oil, acetone, fuel ethanol, calcium oxide and No. 3 jet fuel into the centrifugal mixer Inside, and make it contact with the filter bag;

Step 3. Start the centrifugal mixer in step 2, keep it at a speed of 2800r/min for 60 minutes and then turn off the centrifugal mixer. When the centrifugal mixer is working, its internal temperature is maintained at 130°C. After stopping, take out the filter on the shaft of the centrifugal mixer. bag;

Step 4. Pass the mixed substance in the centrifugal mixer into the filter for filtration, and use qualitative and quantitative paper to analyze and detect the pH value of the filtered liquid; when the pH value is higher than 8, add vinegar essence to the mixed liquid Adjust until the pH is between 6-8, and the mass change of the qualitative and quantitative paper is less than 0.1% after drying;

Step 5. The final mixed liquid obtained in Step 4 is allowed to stand at an ambient temperature of 27° C. for 24 hours to obtain an industrial fuel.

Embodiment 9: the preparation of industrial fuel of the present invention:

Raw material ratio: 80kg of processed kitchen oil, 10.5kg of pure acetone, 0.2kg of fuel ethanol, 6kg of calcium oxide, 5.8kg of fresh pine needles with a water content exceeding 20%, 4kg of caustic soda, and 7kg of No. 3 jet fuel.

Preparation:

Step 1, mix the pine needles with caustic soda and place them in a filter bag made of asbestos sleeves for later use;

Step 2. Install the filter bag containing pine needles and caustic soda in step 1 on the rotating shaft of the centrifugal mixer in the fuel production device, and put kitchen oil, acetone, fuel ethanol, calcium oxide and No. 3 jet fuel into the centrifugal mixer Inside, and make it contact with the filter bag;

Step 3. Start the centrifugal mixer in step 2 and keep it at a speed of 3400r/min for 40-60 minutes, then turn off the centrifugal mixer. When the centrifugal mixer is working, its internal temperature is maintained at 70°C. After stopping, take it out and put it on the shaft of the centrifugal mixer. filter bags;

Step 4. Pass the mixed substance in the centrifugal mixer into the filter for filtration, and use qualitative and quantitative paper to analyze and detect the pH value of the filtered liquid; when the pH value is higher than 8, add vinegar essence to the mixed liquid Adjust until the pH is between 6-8, and the mass change of the qualitative and quantitative paper is less than 0.1% after drying;

Step 5. The final mixed liquid obtained in Step 4 is allowed to stand at an ambient temperature of 27° C. for 24 hours to obtain an industrial fuel.

Embodiment 10: the preparation of industrial fuel of the present invention:

Raw material ratio: 80kg of processed kitchen oil, 10kg of pure acetone, 0.2kg of fuel ethanol, 6kg of calcium oxide, 6.5kg of fresh pine needles with water content exceeding 20%, 4kg of caustic soda, 7kg of No. 3 jet fuel, anhydrous sodium sulfate 7kg.

Preparation:

Step 1, mix the pine needles with caustic soda and place them in a filter bag made of asbestos sleeves for later use;

Step 2. Install the filter bag containing pine needles and caustic soda in step 1 on the rotating shaft of the centrifugal mixer in the fuel production device, and put kitchen oil, acetone, fuel ethanol, calcium oxide and No. 3 jet fuel into the centrifugal mixer Inside, and make it contact with the filter bag;

Step 3. Start the centrifugal mixer in step 2, keep it at a speed of 3000r/min for 60 minutes, and then turn off the centrifugal mixer. When the centrifugal mixer is working, its internal temperature is maintained at 120°C. After stopping, take out the filter on the shaft of the centrifugal mixer. bag;

Step 4. Pass the mixed substance in the centrifugal mixer into the filter for filtration, and use qualitative and quantitative paper to analyze and detect the pH value of the filtered liquid; when the pH value is higher than 8, add vinegar essence to the mixed liquid Adjust until the pH is between 6-8, and the mass change of the qualitative and quantitative paper is less than 0.1% after drying;

Step 5. Put the mixed liquid finally obtained in Step 4 to stand for 48 hours at an ambient temperature of 27° C. to obtain the industrial fuel.

With reference to Fig. 1, present embodiment also provides a kind of mixer that is used to prepare industrial fuel with kitchen oil as raw material, and it comprises the mixing tank 1 that opening is upwards and the rotating shaft 2 that stretches in mixing tank 1 bucket; On rotating shaft 2 More than one stirring blade 3 is installed along its radial direction; a filter bag 4 is detachably installed at the end of the stirring blade 3; one end of the rotating shaft 2 is connected with the output end of the motor 5 through a transmission device 9; An annular heating device 5 is installed in the circumferential direction; a sealing cover 6 is installed on the top of the mixing bucket 1; and a discharge pipe with a valve is installed on the bottom of the mixing bucket. In this embodiment, the bottom of the mixing bucket is also provided with rollers, which can be dragged and moved by a trailer.

A storage box 31 that can be opened and closed is arranged at the end of the stirring blade 3; the filter bag 4 is arranged in the storage box 31; The filter bag 4 is a bag made of asbestos cloth; The use of the storage box 31 can effectively prevent the filter adsorption substances inside from overflowing into the mixing tank 1 when the filter bag 4 is broken. The size of the hole 32 is limited.

The mixing bucket 1 is a drum structure; the rotating shaft 2 is arranged in the middle of the mixing bucket 1, and the length of the mixing blade 3 is not less than two-thirds of the inner diameter of the mixing bucket 1. In this embodiment, the opening of the mixing tank 1 faces upwards, and the rotating shaft 2 is arranged along the axis of the mixing tank 1; therefore, when stirring, the mixed liquid will move against the inner wall of the mixing tank 1 under the action of centrifugal force, limiting the length of the mixing blade 3 It can effectively increase the effective contact area between the filter bag and the mixed liquid, so as to achieve the ideal filtration and adsorption effect. The material contained in the filter bag 4 is a mixture of fresh pine needles and caustic soda.

The transmission device 9 is a gear transmission; its control end platform is arranged at the bottom position of the side end of the mixing bucket 1 . The heating device 5 is an electric control heating wire, and the electric control heating wire and the transmission device 9 share a control end table. It is easy to adjust the speed of the gear transmission, and the electric control heating wire arranged along the wall of the barrel can achieve a better heating effect, and the use of the same control end table for both can also improve the integrated control effect.

The sealing cover 6 is a step-shaped structure, and the step-shaped sealing cover 6 is fixed on the mixing bucket 1 by fastening screws; In this embodiment, the oil seal ring is not shown in the figure.

An observation window 33 is arranged at the side end of the discharge pipe 7; a pH test pen 8 is installed in the observation window 33, and one end of the pH test pen 8 is connected to the inside of the mixing tank 1. By arranging the observation window 33 and the pH test pen 8, the pH of the mixing liquid in the mixing tank can be observed in real time.

Claims (10)

1. A kind of industrial fuel with cooking oil as raw material is characterized in that: raw material is made up of processed cooking oil, acetone, auxiliary additives for improving gasoline octane number, calcium oxide, pine needles and caustic soda, in parts by weight It is: 70-90 parts of kitchen oil, 8-12 parts of acetone, 0.1-0.3 parts of auxiliary additives, 4-8 parts of calcium oxide, 5-8 parts of pine needles, and 3-5 parts of caustic soda. 2. A kind of industrial fuel with kitchen oil as raw material according to claim 1, characterized in that: it also comprises the following components by weight fraction: 6-8 parts of anhydrous sodium sulfate. 3. A kind of industrial fuel with kitchen oil as raw material according to claim 1, is characterized in that: also comprise the component of following weight fraction: No. 3 jet fuel 6-8 parts. 4. A kind of industrial fuel with kitchen oil as raw material according to claim 1, characterized in that: the pine needles are fresh pine needles, and its water content is greater than 20%. 5. a kind of industrial fuel with kitchen oil as raw material according to claim 1 is characterized in that: auxiliary additive is fuel ethanol, and acetone is pure acetone. 6. according to claim 1 to 5, a kind of preparation method of the industrial fuel with kitchen oil as raw material, it is characterized in that: comprise the following steps: Step 1, the pine needles are mixed with caustic soda and placed in a filter bag for subsequent use; Step 2, install the filter bag with pine needles and caustic soda in step 1 on the rotating shaft of the centrifugal mixer in the fuel production device, put other raw materials into the centrifugal mixer, and make it contact with the filter bag; Step 3. Start the centrifugal mixer in step 2, keep it at a speed of 2500-3500r/min for 40-60 minutes, and then turn off the centrifugal mixer. When the centrifugal mixer is working, its internal temperature is maintained at 45-150°C. Take it out after it stops. filter bag on the shaft of the centrifugal mixer; Step 4. Pass the mixed substance in the centrifugal mixer into the filter for filtration, and use qualitative and quantitative paper to analyze and detect the pH value of the filtered liquid; when the pH value is higher than 8, add vinegar essence to the mixed liquid Adjust until the pH is between 6-8, and the mass change of the qualitative and quantitative paper is less than 0.1% after drying; Step 5. Put the mixed liquid finally obtained in Step 4 at an ambient temperature of 15-35° C. for not less than 24 hours to obtain an industrial fuel. 7. A method for preparing industrial fuel using kitchen oil as raw material according to claim 6, characterized in that: the centrifugal mixer in the fuel production device includes a mixing barrel (1) with an opening facing upwards and a The rotating shaft (2) in the mixing bucket (1) is characterized in that: more than one stirring blade (3) is installed on the rotating shaft (2) along its radial direction; the end of the stirring blade (3) is detachably installed with filter bag (4); one end of the rotating shaft (2) is connected to the output end of the motor (91) through the transmission device (9); an annular heating device (5) is installed on the mixing bucket (1) along its circumference; A sealing cover (6) is installed on the top of the mixing bucket (1); a discharge pipe (7) with a valve is also installed on the bottom of the mixing bucket. 8. A method for preparing industrial fuel using kitchen oil as raw material according to claim 7, characterized in that: an openable storage box (31) is provided at the end of the stirring blade (3); the filter bag ( 4) Set in the storage box (31); and the storage box (31) has a filter hole (32) communicating with the inside; the filter bag (4) is a bag made of asbestos cloth; and the storage box ( The diameter of the filter hole (32) on 31) is larger than the size of the filter hole on the filter bag (4); the mixing tank (1) is a drum structure; the rotating shaft (2) is set in the middle of the mixing tank (1) , the length of the stirring blade (3) is not less than two-thirds of the inner diameter of the stirring barrel (1); the material contained in the filter bag (4) is a mixture of fresh pine needles and caustic soda. 9. A method for preparing industrial fuel using cooking oil as raw material according to claim 7, characterized in that: the transmission device (9) is a gear transmission; The bottom position of the side end; the heating device (5) is an electric control heating wire, and the electric control heating wire and the transmission device (9) share a control end table. 10. A method for preparing industrial fuel using cooking oil as raw material according to claim 7, characterized in that the sealing cap (6) has a stepped structure, and the stepped sealing cap (6) is fastened Screws are fixed on the mixing barrel (1); and an oil sealing ring is provided at the junction of the step-shaped sealing cover (6) and the mixing barrel (1); an observation window ( 33); a PH test pen (8) is installed in the observation window (33), and one end of the PH test pen (8) is connected to the inside of the mixing tank (1).