WO2014079170A1

WO2014079170A1 - Distillation-free biodiesel production method and system

Info

Publication number: WO2014079170A1
Application number: PCT/CN2013/071228
Authority: WO
Inventors: 许文姬; 李国声; 李汉声; 李振声
Original assignee: 华南再生资源（中山）有限公司
Priority date: 2012-11-23
Filing date: 2013-01-31
Publication date: 2014-05-30
Also published as: CN203124395U; KR20150105299A; HK1180636A1; CN203323492U; HK1180639A1; CN103074131B; WO2014079173A1; CN103072726A; CN103074131A; CN103071666A; SG11201503980RA; CN103056151B; WO2014079167A1; CN203124392U; WO2014079172A1; WO2014079135A1; CN103056152A; WO2014079168A1; HK1180657A1; CN103084049A

Abstract

Disclosed are a distillation-free biodiesel production method and system for use in food waste treatment. The steps of solid-liquid separation, oil-water separation, grease colloid removal, and ultrasonic room-temperature grease exchange are used to convert all grease contained in food waste into a biodiesel for further utilization. The present invention allows for automatic separation of solids and water contained in the food waste, then subsequently converts the grease contained into the biodiesel to be used, and provides a structurally simple apparatus and a treatment process that conserves energy and is of reduced production costs.

Description

Distillation-free biodiesel production method and system

Technical field

The invention discloses a kitchen waste treatment device, and more particularly to a distillation-free biodiesel production method and system for kitchen waste treatment.

Background technique

The science and technology of waste resource utilization, after a long period of application, has proved that if the waste recycling technology is applied in a single application, the consequences will bring greater crisis to the human living environment, especially The serious problem of secondary pollution is difficult to control, so the comprehensive treatment of waste has become the current development trend. The composition of kitchen waste is extremely complicated, including sewage, plastic bags, plastic bottles, waste cloth strips, spoilage organic matter, paper, metal bottles, broken glass, broken ceramic sheets, animal fats, vegetable oils, primary bacteria and other substances. . At present, the kitchen waste resource treatment technology has presented a “hundred flowers” situation in the domestic and foreign methods and processes, but basically it is a simple single item treatment, and there is no international environmental treatment that shifts from simple treatment to comprehensive treatment, utilization and disposal. The trend and direction may cause the inevitable attachments in the kitchen waste to be transferred and randomly filled, causing water and soil pollution, or transfer, not only blocking the city's sewer pipes, but also emitting a foul smell and causing serious secondary pollution. The single treatment process of kitchen waste is feasible from the perspective of resource utilization value. However, considering the comprehensive protection of the global environment, people's livability and protection of the atmospheric environment, it may still do more harm than good. At present, during the processing of kitchen waste, the solid matter is usually extracted as feed, and the waste water and oil are mixed and discharged, which still causes secondary pollution to the environment, although there are currently oils used in kitchen waste to make organisms. Diesel technology, however, is only for the rough treatment of grease in kitchen waste, the application range is small, can not be widely used in life, and its production equipment is huge, the production process is complex, and the processing cost is high.

Summary of the invention

In view of the above-mentioned shortcomings of the prior art kitchen waste disposal manufacturing grease equipment, the present invention provides a new distillation-free biodiesel production method and system, which is separated by solid-liquid separation, oil-water separation, and grease The steps of removing the oil, converting the oil contained in the kitchen waste into biodiesel, and further utilizing it are carried out in steps such as mass removal, ozone treatment, and ultrasonic temperature and temperature.

The technical solution adopted by the invention to solve the technical problem is: a distillation-free biodiesel production system, which comprises a horizontal ribbon solid-liquid separation device, an oil-water separation tower, an oil storage container, an oil gel removal device, and a biological Oil normal temperature grease exchange equipment, liquid separation equipment and filtration equipment, the outlet of the horizontal spiral belt solid-liquid separation equipment is connected to the lower end of the oil-water separation tower through a pipeline, and the oil-water separation tower is provided with a heating pipeline, and the heating pipeline extends from the lower part of the oil-water separation tower It enters the inside of the oil-water separation tower and is output from the upper part of the oil-water separation tower to the outside of the oil-water separation tower. The top of the oil-water separation tower is provided with an oil scraper. The oil-water separation tower is connected to the oil storage tank through the oil-discharging pipeline, and the oil pipeline inlet corresponds to The oil scraper is arranged, the oil storage container is connected with the grease colloid removal device through the pipeline, and the grease colloid removal device is internally provided with a hole impact plate fixedly disposed, and the corresponding positions on both sides of the impact plate are respectively installed with the rotary slurry type hydraulic propulsion The propeller fan blade of the rotary-type hydraulic propulsion machine is arranged in the grease colloid removal device, and the motor is arranged outside the grease colloid removal device. The motor drives the propeller blade to rotate, and the lower part of the grease colloid removal device is provided with a grease outlet. The grease outlet is connected to the strong gas through the pipeline, and the liquid mixer is mixed with ozone to enter the reactor for oxidation to remove impurities, pigments and odors in the fat. , protein, etc., in the bio-oil constant-temperature grease exchange equipment, there is more than one ultrasonic generator in the bio-oil normal-temperature grease exchange equipment, the top of the bio-oil normal-temperature grease exchange equipment has a feed port, and the bottom of the bio-oil normal-temperature grease exchange device passes through the pipeline. Connected to the liquid separation device, the bottom of the liquid separation device is connected to the filtering device through the oil pipeline, and the filtering device outputs biodiesel.

A method for producing a distillation-free biodiesel using the above-described distillation-free biodiesel production system, the method comprising the steps of:

(1) Dissolving the oil, water and solid mixture produced in the production process of the kitchen waste through the horizontal spiral belt solid-liquid separation equipment to obtain an oil-water mixture;

(2) conveying the oil-water mixture to the oil-water separation tower for oil-water separation, and inputting the separated oil into the oil storage container;

(3) When the biological grease is needed for processing, the bio-fat is sent into the grease colloid removal device by means of a pump or the like, and then the hydro-pneumatic propulsion machine is started, and phosphoric acid having a concentration of 85% is added. The ratio of the oil to the bio-fat is not more than 1% of the total amount of the grease. The oil-pulling thrust is used to remove the liquid from both ends of the device to cause the liquid inside the device to collide with each other. The impact time is 10 Min——15min, after the end of the phase collision time of the liquid, the diluted brine is added immediately. The weight ratio of water to salt in the dilute brine is between 95:5 and 90:10, and the weight ratio of bio-fat to dilute brine is 90: Between 10 and 80:20;

(4), continue to start the hydro-pneumatic propulsion machine, the time is 10 min - 20 min;

(5), the grease mixture in the oil gel removal equipment stays 60min - 120min;

(6), the degreased bio-oil is fed into a strong gas, liquid mixer and ozone mixed, the ozone concentration is 13.5g / L, the ozone flow rate is 6.5L / min;

(7), the biological oil and ozone mixture directly into the reactor, and then added 1.5-2.5% by weight of n-heptane in the oil and fat, ozonation reaction time is 20-30min;

(8), the ozonized oil is fed into the bio-oil normal temperature grease exchange device;

(9) When the liquid level input into the bio-oil normal-temperature grease exchange device reaches the liquid level set according to the production process, stop the input, start the drum tube at the bottom of the bio-oil normal-temperature grease exchange device, and open the feed port. Adding a solid catalyst and methanol, the solid catalyst is an anion metal base catalyst, the amount of the solid catalyst is 1.5%-3.5% of the mass of the bio-oil, and the amount of methanol is 13%-38% of the mass of the bio-oil, and then adding after adding methanol Cosolvent

(10), continuous stirring with a stirrer 10 Min - 15min, then add a solid metal base catalyst, the amount added is 3% - 4.5% of the quality of the bio-oil;

(11) After adding the required auxiliaries, close the feeding hole, open the material circulation pump, and turn on the ultrasonic generator. The initial frequency of the ultrasonic generator is 25KHZ, the time is 1min, and then gradually increase to 30KHZ, time. For 30 Min - 40 min, the reaction temperature is 25 - 35 ° C.

(12) After the fat exchange is completed in the bio-oil normal temperature grease exchange device, the biological grease mixture is input into the liquid separation device to be statically layered, the upper layer is a mixed liquid of methanol and glycerin, and the lower layer is crude biodiesel;

(13) First, the liquid separation device is set to be opened in the lower liquid discharge port, and the crude biodiesel is transported into the filtering device, and the purified biodiesel is obtained after filtration and the solid catalyst is recovered.

The technical solution adopted by the present invention to solve the technical problem thereof further includes:

The horizontal spiral belt solid-liquid separation device comprises a horizontal cylindrical outer casing, a filter mesh is arranged in the outer casing, a conveying screw is fixed inside the filter mesh, and the spiral belt driving motor cooperates with the transmission to drive the filter mesh and the spiral belt. Rotating, horizontal spiral belt solid-liquid separation equipment is provided with an oil and water mixture output pipe at the bottom.

The top of the oil-water separation tower is equipped with an infrared water body liquid level locator.

An electric valve is arranged on the oil discharge pipe.

The ozone gas is supplied by an ozone generator.

The outer periphery of the ultrasonic generator is respectively provided with a sleeve, and an inner threaded jet hole is formed around the sleeve, and the sleeve is made of an acid-resistant plastic capable of releasing cations.

A locking device is fixed above the sleeve, and the ultrasonic generator is installed inside the bio-oil normal temperature grease exchange device through the locking device.

The bio-oil normal temperature grease exchange device is provided with a liquid guiding tube, one end of the liquid guiding tube is connected to the upper part of the bio-oil normal temperature grease exchange device, and the other end is connected to the bottom of the bio-oil normal temperature fat exchange device, and the liquid guiding tube is connected Pump.

The bottom of the bio-oil normal temperature grease exchange device is provided with a gas pipe, and one end of the gas pipe is connected to the compressed air machine.

When the oil and water are separated, the oil-water mixture in the oil-water separation tower is heated to 60° C. to 85° C., after the bio-oil is floated, the oil moisture layer is realized, and the upper layer of bio-oil is scraped by the scraper and passes through the oil pipeline. Feeded into the oil storage container;

The cosolvent is selected from methyl ethyl ketone and t-butanol, and the co-solvent is added in an amount of 0.5% to 2% by mass of the bio-fat.

The co-solvent further comprises t-butanol in an amount of 0.5% by weight of the bio-fat.

The solid anionic metal base catalyst is characterized by a reagent activated carbon and a nano-particle of a cyclic structure silicate mineral of aluminum, sodium, iron, magnesium and lithium, and is surrounded by a silicon, aluminum and lithium network skeleton. The medium and the polar hybridization carrier are carriers, and the solid catalyst containing 15% - 25% KNO ₃ is loaded.

The invention has the beneficial effects that the invention can automatically separate the solids, moisture and the like contained in the kitchen waste, and then further convert the contained fats and oils into biodiesel, the device structure is simple, the processing process, energy conservation and production cost are saved. low.

The invention will be further described with reference to the drawings and specific embodiments.

DRAWINGS

Figure 1 is a schematic view showing the structure of a water, oil and solid separation device of the present invention.

2 is a schematic view showing the structure of a biodiesel production apparatus according to the present invention.

Fig. 3 is a schematic view showing the structure of a cut surface of a bio-oil normal temperature fat exchange device according to the present invention.

Figure 4 is a schematic view showing the structure of the ultrasonic transducer in the present invention.

In the figure, 1- oil storage container, 2-oil-water mixing tank, 3-horizontal spiral belt solid-liquid separation equipment, 4-oil water separation tower, 5-heating pipeline, 6-infrared water body liquid level locator, 7-scraping oil , 8-oil pipe, 9-electric valve, 10-inlet pipe, 11-oil gel removal equipment, 12-hole impact plate, 13-dosing feeder, 14-spindle hydraulic propulsion, 15- Water outlet, 16-bio-oil normal temperature grease exchange equipment, 17-ultrasonic transducer, 18-sleeve, 19-internal threaded orifice, 20-locker, 21-liquid guide tube, 22-pump, 23 - Top cover, 24-feed port, 25-compressed air drum, 26-separation unit, 27-filter unit, 28-ozonation reactor, 28A-ozone generator, 29-anti-backlash valve, 30-strong Force gas, liquid mixer, 31-liquid level controller, 32-ozone residual gas destroyer, 33-theoretical feeder, 34-circulation pump, 35-pneumatic take-off and lowering.

detailed description

This embodiment is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of the present embodiment, and are all within the scope of the present invention.

The invention relates to a system for processing a mixture of oil, water and solid produced in various sections of a kitchen waste treatment process, and using the same to produce biodiesel.

Referring to FIG. 1, the front end of the biodiesel manufacturing system of the present invention is provided with an oil-water mixing tank 2, and the oil, water and solid mixture generated in each section of the kitchen waste treatment process is transported to the oil-water mixing tank 2 through the water outlet pipe, the oil water The mixing tank 2 is disposed at the end of the water outlet pipe. The horizontal end of the oil-water mixing tank 2 is provided with a horizontal ribbon solid-liquid separation device 3 for removing solids of oil, water and solid mixture. In the present embodiment, the horizontal ribbon solid-liquid separation device 3 includes a lying The cylindrical casing has a filter screen inside the casing, and a conveying screw is fixed inside the filter screen, and the motor cooperates with the transmission to drive the filter screen and the spiral belt to rotate, and the horizontal spiral belt solid-liquid separation device 3 is provided with oil and water mixing at the bottom. Body delivery pipe. The oil, water and solid mixture is input into the horizontal spiral belt solid-liquid separation device 3 through the pipeline through the pump, and after the liquid-solid separation by the horizontal spiral-belt solid-liquid separation device 3, the oil and water mixture is input through the conveying pipeline. A processing device that discharges solids. The liquid discharge rear end of the horizontal spiral belt solid-liquid separation device 3 is connected to the oil-water separation tower 4, and the deoiled oil and water mixture is sent to the oil-water separation tower 4. In the present embodiment, the oil-water separation tower 4 is stood The cylindrical shape has a feeding port disposed at the middle and lower sides of the side, and the oil-water separation tower 4 is internally provided with a heating pipe 5, and the heating pipe 5 extends from the lower portion of the oil-water separation tower 4 to the inside of the oil-water separation tower 4, and then from the oil-water separation tower 4 The upper middle portion is output to the outside of the oil-water separation tower 4. In the present embodiment, the heat source used in the heating pipe 5 is the residual heat of the heat-conducting oil furnace, which can save energy. In specific implementation, a heat source can also be separately provided. The top of the oil-water separation tower 4 is equipped with an infrared water level locator 6 for automatically positioning the oil-water mixture at the time of oil-water separation, and thereby automatically controlling the amount of the oil-water mixture. The oil-water separation tower 4 is provided with an oil scraper 7 and an oil discharge pipe 8 on the side close to the upper portion. In this embodiment, the oil scraper 7 has a strip-shaped plate shape, and is driven by a motor disposed at the top of the oil-water separation tower 4 to rotate. The oil in the oil-water mixture is scraped into the oil sump and is output through the oil discharge pipe 8. In the present embodiment, an electric valve 9 is provided on the oil discharge pipe 8, and the bio-oil is controlled to enter the oil storage container 1 from the oil discharge pipe 8 through the electric valve 9.

Referring to FIG. 2, in the present invention, biodiesel production is carried out by using the grease removed from the kitchen waste. The front end of the biodiesel production device is a grease colloid removal device 11. In this embodiment, the grease colloid removal device is used. 11 is a rectangular shape, and the grease colloid removal device 11 is fixedly provided with a hole impact plate 12 in the middle, and the impact plate 12 has a hole formed therein, the hole diameter is 0.5-1 mm, the hole pitch is 50-80 mm, and the two faces of the impact plate 12 are open. The rotary hydraulic propulsion machine 14 is respectively installed at the position, and the back surface of the rotary fan blade is 150-200 mm away from the inner wall of the oil gel removal device. In the present embodiment, the rotary hydraulic propulsion machine 14 includes a propeller blade disposed inside the grease colloid removal device 11 and a motor disposed outside the grease colloid removal device 11, and the motor drives the propeller blade to rotate, and the rotation speed It is 500-700 rpm, which is controlled by the inverter. When it is required to produce biodiesel, the bio-oil material is input from the oil storage container 1 into the grease colloid removal device 11 by a special oil pump, and the phosphorus ester, sugar, protein and other impurities in the oil and fat are effectively removed, and the glue is prevented. The quality covers the fine particles of grease in the latter stage, and the barrier grease contacts the catalyst. In this embodiment, the ozone oxidation processor is composed of an ozone generator 28A, an anti-liquid recoil valve 29, a powerful gas and liquid mixer 30, a reactor 28, a circulation pump 34, an oil inlet pipe A1, an oil outlet A2, and a liquid. The surface controller 31 and the ozone residual gas destroyer 32 are composed. The ozone generator 28A is connected to the strong gas and liquid mixer 30 through the anti-liquid recoil valve 29, and the powerful gas and liquid mixer 30 passes through the oil inlet pipe A1 and the grease colloid. The removal device 11 is connected, the powerful gas and liquid mixer 30 is connected to the reactor 28 through a pipeline, and the circulation pump 34 is connected to the reactor 28. The bottom of the reactor 28 is the oil outlet A2, and the oil outlet A2 is passed through the pipeline and the bio-oil. The room temperature grease exchange unit 16 is connected, a liquid level controller 31 is installed in the reactor 28, and an ozone residual gas destroyer 32 is installed on the top of the reactor 28. A doser 33 is also mounted on top of the reactor 28. The oil and fat can remove impurities, pigments, odors, proteins, and the like from the fat by the ozone oxidation processor. The main body of the biodiesel production device is a bio-oil normal temperature grease exchange device 16. In this embodiment, the bio-oil normal temperature grease exchange device 16 is a cylindrical cone-bottom reaction kettle, and the bio-oil normal temperature grease exchange device 16 is equipped with more than one ultrasonic wave. In the present embodiment, four transducers are provided, and each of the ultrasonic transducers 17 is respectively provided with a sleeve 18 around the sleeve 18, and an inner threaded jet hole 19 is formed around the sleeve 18, and a card is fixed on the sleeve 18 The stator 20 is connected with a pneumatic take-off device 35 above the locking device 20, and acts on the depth of the inlet of the control sleeve 18 and the ultrasonic transducer 17 in the bio-oil normal temperature grease exchange device, and the ultrasonic wave is exchanged by the card stopper 20. The energy device 17 is fixed to the inner center of the sleeve. The bio-oil normal temperature grease exchange device 16 is provided with a liquid guiding tube 21, one end of which is connected to the upper part of the bio-oil normal temperature grease exchange device 16 and enters the inner cavity of the casing 18, and the other end is connected to the bio-oil normal temperature grease exchange. At the bottom of the device 16, the pump is attached to the liquid conduit 18. The top of the bio-oil normal temperature grease exchange device 16 is provided with a top cover 23, the top cover 23 is provided with a feed port 24, and the side of the bio-oil normal temperature grease exchange device 16 is provided with a window A3. In the present embodiment, a gas pipe 25 is provided at the bottom of the bio-oil normal temperature grease exchange device 16, and one end of the gas pipe 25 is connected to a compressed air machine. After the bio-fat is input into the bio-oil normal-temperature fat exchange device 16, methanol and a co-solvent are added from the feed port 24. In this embodiment, the co-solvent should be selected from a liquid agent capable of enhancing the mutual solubility of the oil and the methanol, and added to the recyclable use. After the solid anionic metal base catalyst, the ultrasonic transducer 17 is passed from the top to the bottom of the bio-oil normal temperature grease exchange device 16 into the bio-oil through a pneumatic or hydraulic tool 35, and at the same time, the compressed air is exchanged from the bio-oil at room temperature. The bottom of the device 16 starts to aerate, thereby promoting the accelerated co-solubilization of the bio-oil with the methanol, and the bio-oil mixture is input to the inner cavity of the casing 18 through the oil pump 22, and flows from top to bottom into the ultrasonic treatment, and the ultrasonic frequency is gradually stepped from 25 kHz. Enhanced to 30KHz, time is 20-60min. The liquid discharging device 26 is connected to the lower discharge port of the bio-oil normal temperature grease exchange device 16. In the embodiment, the liquid-dispensing device 26 is in the form of a vertical cylinder, and the filtering device 27 is disposed at the rear end of the liquid-dispensing device 26, after the ultrasonic treatment is completed. The mixed liquid is supplied to the liquid separation device 26, and the obtained crude biodiesel is passed through the filtration device 27 to obtain biodiesel.

In the present invention, the method for producing biodiesel, that is, the method for operating the above apparatus, comprises the following steps:

(1) De-solidifying the oil, water and solid mixture produced in the production process of the kitchen waste to obtain an oil-water mixture;

(2) The oil-water mixture is sent to the oil-water separation tower 4 to perform oil-water separation. In the present embodiment, when the oil-water separation is performed, the oil-water mixture in the oil-water separation tower 4 is heated to 60 ° C by using the residual heat of the heat-conducting oil furnace - 85 °C, after the biological grease floats, the oil moisture layer is realized, and the lower water body is sent to the sewage treatment system by the conveying pipeline, and the upper layer of the biological grease is scraped by the oil scraper 7 and sent into the oil storage container through the oil discharge pipe 8;

(3) When the biological grease is required to be processed, the bio-fat is fed into the grease colloid removal device 11 by a tool such as a transfer pump, and then the hydro-pneumatic propulsion machine 14 is started, and phosphoric acid, phosphoric acid and phosphoric acid are added. The ratio of the bio-fat is not more than 1%-1.2% of the total amount of the oil, and the liquid-pulling thrust at both ends of the grease-removing device 11 causes the liquid inside the grease-removing device 11 to collide with each other, and the impact time is established. Within the required time range of the set process conditions, in this embodiment, the collision time is 10 Min——15min, after the end of the liquid phase impact time, immediately add diluted brine, the weight ratio of water to salt is between 95:5 and 90:10, the weight ratio of bio-fat to dilute brine is 90:10-80 Between 20 and 20, the addition of dilute brine acts to utilize the electrolyte salt to accelerate the flocculation and form a more stable micelle;

(4), continue to start the hydro-pneumatic propulsion machine 14, the time is 10 min - 20min;

(5), when the above degumming process is completed, the grease mixture stays in the device for 60 min - 120 min;

(6) Discharging the water body with the micelles separately, and the degummed bio-oil is fed into the strong gas and liquid mixer 30, mixed with the gas output from the ozone gas generator 28A, and then enters the ozonation reaction. In the present embodiment 28, the ozone concentration is 13.5 g/L, and the ozone flow rate is 6.5 L/min. In specific implementation, it can be appropriately adjusted according to actual conditions. Further, n-heptane which accounts for 2% of the total weight of the oil and fat is added to the mixture in the ozonation reactor 28, and the gas and liquid mixture is circulated by the action of the oil pump by the circulation pipe 34 provided outside the reactor. As the reaction process, the reaction time is 30 min. After the reaction time is completed, the viscosity of the waste oil is lowered, the odor in the oil is removed, and the chromaticity is obviously decreased.

(7), the ozonized oil after the loss into the bio-oil normal temperature grease exchange device 16;

(8) When the liquid level input by the oil in the bio-oil normal-temperature grease exchange device 16 reaches the liquid level set by the production process, the input is stopped, and the gas pipe 25 at the bottom of the bio-oil normal-temperature grease exchange device 16 is started to be activated. The surface quickly and vigorously rolls and floats. At this time, the feed port 24 is opened, and the solid catalyst and methanol are added. The amount of the catalyst is 1.5%-3.5% of the mass of the bio-oil, and the amount of methanol is 13%-38% of the mass of the bio-oil. After adding methanol, the co-solvent is added to strengthen the co-solubilizing property of the bio-oil and methanol to form a homogeneous system. The co-solvent is selected as methyl ethyl ketone, and the co-solvent is added in an amount of 0.5% to 2% of the mass of the bio-oil, in this embodiment. The co-solvent further comprises a butyl tertiary alcohol added in an amount of 0.5% by mass of the bio-fat;

(9), after which the high-pressure air is continuously stirred and stirred in the lower part of the grease exchange equipment for 10 min - 15 min, and then the solid anionic metal base catalyst is added (the model used in this embodiment is the South China Renewable Resources (Zhongshan) Co., Ltd. Huanan 713# catalyst) is added in an amount of 3% to 4.5% of the mass of the bio-fat. The solid catalyst is characterized by a reagent activated carbon and a cyclic structure of silicate minerals of aluminum, sodium, iron, magnesium and lithium. The nanoparticle (which is a tourmaline) is the base nucleus. Firstly, the nucleus itself can release 12,000/cm ³ or more negative ions as a good product, and then the base nucleus is immersed in the alkaline silica sol and the aluminum sol and lithium hydride. In the mixed liquid, the mixing ratio of the three substances is 1:1:0.5, and after taking out, the temperature is kept at 650-720 ° C for one hour, and after cooling, it is subjected to screening and refining to form an outer wrapped silicon. Aluminum, lithium mesh skeleton medium, and polar hybrid carrier, then the carrier is immersed in the solution of KNO ₃ , taken out and dried in a drying equipment at 110 ° C to produce 15% - 25 % KNO ₃ alkaline catalyst.

(10), after adding the required auxiliary agent, close the feeding hole 21, open the material circulation conveying pump, and turn on the ultrasonic transducer 17, the initial frequency of the ultrasonic converter 17 is 25KHZ, the time is 1 min, and then gradually increase Up to 30KHZ, time is 30 Min - 40 min, the reaction temperature is 25 - 35 ° C.

(11), after the fat exchange in the bio-oil normal temperature grease exchange device 16 is completed, the bio-fat mixture is input into the liquid separation device 26 to be statically layered, the upper layer is a mixed liquid of methanol and glycerin, and the lower layer is crude biodiesel;

(12) First, the liquid separation device is set to be opened in the lower liquid discharge port, and the crude biodiesel is transported into the filtering device 27, and the purified biodiesel is obtained after filtration and the solid catalyst is recovered, and can be recycled after being recycled. The biodiesel is then fed into a storage container for further refining, while the methanol and glycerin mixture is used for other purposes.

The invention can automatically separate the solids, moisture and the like contained in the kitchen waste, and then further convert the contained fats and oils into biodiesel for use, the device structure is simple, the treatment process saves energy and the production cost is low.

Claims

A distillation-free biodiesel production system, characterized in that: the system comprises horizontal spiral belt solid-liquid separation equipment (3), oil-water separation tower (4), oil storage container (1), oil gel removal The device (11), the bio-oil normal temperature grease exchange device (16), the liquid separation device (26) and the filtration device (27), and the outlet of the horizontal ribbon solid-liquid separation device (3) is connected to the oil-water separation tower through a pipeline (4) In the middle and lower end, the oil-water separation tower (4) is provided with a heating pipe (5), and the heating pipe (5) extends from the lower part of the oil-water separation tower (4) into the oil-water separation tower (4), and then from the oil-water separation tower (4) The upper middle part is output to the outside of the oil-water separation tower (4), the top of the oil-water separation tower (4) is provided with an oil scraper (7), and the oil-water separation tower (4) is connected to the oil storage container (1) through the oil discharge pipe (8) The outlet of the oil delivery pipe (8) corresponds to the arrangement of the oil scraper (7), and the oil storage container (1) is connected to the grease removal device (10) through the pipe (10), and the grease removal device (11) The inside is fixedly provided with a hole impact plate (12), and both sides of the impact plate (12) The rotary-type hydraulic propulsion machine (14) is installed at the position, and the propeller blades of the rotary-type hydraulic propulsion machine (14) are disposed in the grease colloid removal device (11), and the motor is disposed in the grease colloid removal device. (11) On the outer side, the motor drives the propeller blade to rotate, and the lower part of the grease colloid removal device (11) is provided with a grease outlet, and the grease outlet is connected to the strong gas and liquid mixer (30) through the pipeline, and is mixed with the ozone gas to enter In the ozone treatment reactor (28), the ozonized oil is transported from the lower outlet of the reactor to the bio-oil normal temperature grease exchange device (16), and the bio-oil normal temperature grease exchange device (16) is provided with more than one ultrasonic wave. The transducer (17), the top of the bio-oil normal temperature grease exchange device (16) has a feed port (24), and the bottom of the bio-oil normal-temperature grease exchange device (16) is connected to the liquid separation device (26) through a pipe, and the liquid separation device ( 26) The bottom is connected to the filtering device (27) through an oil pipeline, and the filtering device (27) outputs biodiesel.
The distillation-free biodiesel production system according to claim 1, wherein said horizontal ribbon solid-liquid separation device (3) comprises a horizontal cylindrical casing, and a filter mesh is arranged in the casing. A filter belt is fixed inside the filter screen, the screw drive motor cooperates with the transmission to drive the filter screen and the spiral belt rotates, and the horizontal spiral belt solid-liquid separation device (3) is provided with an oil and water mixture output pipeline at the bottom.
The distillation-free biodiesel production system according to claim 1, characterized in that the top of the oil-water separation tower (4) is provided with an infrared water body liquid level aligner (6).
The distillation-free biodiesel production system according to claim 1, characterized in that: the ultrasonic transducer (17) is respectively provided with a sleeve (18) on the periphery thereof, and an internal thread jet is formed around the sleeve (18). A hole (19), a locking device (20) is fixed above the sleeve (15), and the ultrasonic transducer (17), the sleeve (18) and the ultrasonic transducer (17) are fixed by the locking device (20). It is controlled by a pneumatic or hydraulic lift (35) located outside the top of the grease exchange device (16) to a depth inside the bio-oil normal temperature grease exchange device (16).
The distillation-free biodiesel production system according to claim 1, characterized in that: the bio-oil normal temperature grease exchange device (16) is provided with a liquid guiding tube (21), and the liquid guiding tube (21) is connected at one end. In the upper part of the bio-oil normal temperature grease exchange device (16), and from the liquid outlet to the upper part of the inner cavity of the casing (18), the other end is connected to the bottom of the bio-oil normal temperature grease exchange device (16), the liquid guiding tube (21) A pump (22) is attached to the upper part.
The distillation-free biodiesel production system according to claim 1, wherein said bio-oil normal temperature grease exchange device (16) is provided with a gas pipe (25) at the bottom, and one end of the gas pipe (25) is connected to the compressed air. machine.
The distillation-free biodiesel production system according to claim 4, wherein the sleeve material is an acid-base plastic or ceramic capable of releasing an anion, and the anion release amount is 10,000 or more/cm 2 . The internal threaded jet hole is a tower-shaped hollow shape with a thread inside and has a natural release of more than 15,000 / The energy of the cm2 anion.
A method for producing a distillation-free biodiesel using the distillation-free biodiesel production system according to any one of claims 1 to 6, wherein the method comprises the steps of:

(1) Dissolving the oil, water and solid mixture produced in the production process of the kitchen waste through the horizontal spiral belt solid-liquid separation device (3) to obtain an oil-water mixture;

(2), the oil-water mixture is sent to the oil-water separation tower (4) for oil-water separation, the separated grease is input into the oil storage container (1);

(3) When the biological grease needs to be processed, the bio-fat is sent into the grease colloid removal device (11) by a pump or the like, and then the hydro-pneumatic propulsion machine (14) is started, and phosphoric acid is added. The ratio of phosphoric acid to bio-fat is not more than 1% (0.8%-1.2%) of the total amount of oil and fat, and the oil-gel removal device (11) is used to remove the grease from both ends of the equipment (11). The liquid produces a phase impact with an impact time of 10 Min——15min, after the end of the phase collision time of the liquid, the diluted brine is added immediately. The weight ratio of water to salt in the dilute brine is between 95:5 and 90:10, and the weight ratio of bio-fat to dilute brine is 90: Between 10 and 80:20;

(4), continue to start the hydro-pneumatic propulsion machine (14), the time is 10 min - 20 min;

(5), the grease mixture in the oil gel removal device (11) stays 60min - 120min;

(6) After the degreased bio-fat is fed into the strong gas, the liquid mixer (29) and the ozone gas supplied by the ozone generator (28A) are passed through the anti-backlash valve (29), and then oil and gas are supplied. Mixing, ozone flow rate is 5-6.5L / min;

(7), the oil-gas mixture mixed by the strong gas and liquid mixer (29) is input into the ozone oxidation treatment reactor (28), and is added to the positive gem which accounts for 2% of the total weight of the oil by the quantitative feeder (33). Alkane, the concentration of ozone in the reactor oil is 10-13.5g / L, the reaction time is 25-30min;

(8), the oil that has completed the ozonation reaction is sent to the bio-oil normal temperature grease exchange device (16);

(9) When the liquid level input by the grease in the bio-oil normal temperature grease exchange device (16) reaches the liquid level set by the production process, stop the input and start to start the gas pipe at the bottom of the bio-oil normal temperature grease exchange device (16). (25), open the feed port (24), add solid catalyst and methanol, the amount of solid anionic metal base catalyst is 1.5% - 3.5% of the quality of the bio-oil, and the amount of methanol is 13% - 38% of the quality of the bio-oil. Adding cosolvent after adding methanol;

(10) continuously pulsing a mixture of grease and methanol using high-pressure air output from a compressed air agitating tube (25) provided at a lower portion of a bio-oil normal-temperature grease exchange device (16) Min - 15min, then add a solid anionic metal base catalyst, the amount added is 3% - 4.5% of the quality of the bio-oil;

(11) After adding the required auxiliary agent, close the feeding hole (24), open the material circulation conveying pump, and the high-pressure air outputted by the air agitating tube (25) is changed from continuous to intermittent, and the ultrasonic energy is turned on. (17), the initial frequency of the ultrasonic transducer (17) is 25KHZ, the time is 1min, and then gradually increases to 30KHZ, the time is 30 Min - 40 min, the reaction temperature is 25 - 35 ° C.

(12) After the fat exchange is completed in the bio-oil normal temperature grease exchange device (16), the bio-fat mixture is input into the liquid separation device (26) and left to be layered, the upper layer is a mixed liquid of methanol and glycerin, and the lower layer is crude. Biodiesel;

(13) First, the liquid separation device is set to be opened in the lower liquid discharge port, and the crude biodiesel is transported into the filtering device (27), and the purified biodiesel is obtained after filtration and the solid anionic metal base catalyst is recovered.
The method for producing a distillate-free biodiesel according to claim 7, wherein when the oil and water are separated, the oil-water mixture in the oil-water separation tower (4) is heated to 60 ° C - 85 ° C until the bio-fat rises. After the oil moisture layer is realized, the upper layer of the biological grease is scraped off by the oil scraper (7) and sent into the oil storage container through the oil discharge pipe (8).
The method for producing a distillation-free biodiesel according to claim 7, wherein the cosolvent is selected from the group consisting of methyl alcohol, and the co-solvent is added in an amount of 0.5% to 2% of the mass of the bio-oil, and the co-solvent is further It includes butanol in an amount of 0.5% by mass of the bio-fat.
The method for producing a distillation-free biodiesel according to claim 7, wherein the solid anionic metal base catalyst is characterized by a reagent activated carbon and a cyclic structure silicate mineral of aluminum, sodium, iron and lithium. The nano-particles are based on the core, and then wrapped with silicon, aluminum, and lithium mesh-like skeleton medium, and the hybrid carrier with polarity is immersed in the KNO3 liquid, and then treated to become polar with impurities. Charged, solid anionic metal base catalyst containing 15% - 25% KNO 3 .