Household garbage pretreatment device

Abstract

The utility model belongs to the technical field of garbage treatment devices, and discloses a household garbage pretreatment device which comprises a shear type crusher, a garbage lotus root forming machine and an electric flocculation basin, and a blanking plate is arranged at the bottom of the shear type crusher and is connected with a filling port of the garbage lotus root forming machine; the garbage lotus root forming machine comprises a filling opening, a garbage lotus root forming mechanism and a power mechanism, the lower end of the filling opening is in sliding connection with the garbage lotus root forming mechanism, the garbage lotus root forming mechanism is in transmission connection with the power mechanism, and the bottom of the garbage lotus root forming mechanism is connected with a water inlet pipe and communicated with the electric flocculation basin; by arranging the shear type crusher, household garbage can be conveniently crushed into proper size, subsequent compression and punching are facilitated, by arranging the garbage lotus root forming machine, garbage volume compression, garbage moisture reduction, garbage compression into lotus root slice shapes (honeycomb briquette shapes) are facilitated, the single-time garbage treatment amount of magnetization pyrolysis can be conveniently improved, energy consumption is reduced, and the garbage processing efficiency is improved. The reaction is more sufficient, tail gas moisture treatment is reduced, and the pyrolysis efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a domestic garbage pretreatment device, belonging to the technical field of garbage treatment devices. Background Art

[0002] The main methods currently used for domestic waste disposal are landfill, incineration and composting, which can easily cause a lot of pollution to the environment. In order to reduce environmental pollution and improve resource utilization, more and more domestic waste is treated by pyrolysis technology. Since most domestic waste is relatively loose, occupies a large space, and contains a lot of water, this leads to low utilization of the pyrolysis furnace space during pyrolysis, a relatively small amount of waste processed per time, low pyrolysis efficiency, and energy waste. Therefore, a domestic waste pretreatment device is needed that can compress the volume of domestic waste, reduce the water content of waste, and improve pyrolysis efficiency. Utility Model Content

[0003] The utility model aims to provide a domestic garbage pretreatment device.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a household garbage pretreatment device, comprising a shearing crusher, a garbage lotus root forming machine and an electric flocculation tank, wherein the shearing crusher is provided with a feeding funnel on the top, a toothed roller inside and a discharge plate at the bottom, and the end of the discharge plate is connected to the filling port of the garbage lotus root forming machine;

[0005] The garbage lotus root forming machine includes a filling port, a garbage lotus root forming mechanism and a power mechanism. The upper end of the filling port is connected to the end of a feeding plate, and the lower end is slidably connected to the garbage lotus root forming mechanism. The garbage lotus root forming mechanism and the power mechanism are transmission-connected. The bottom of the garbage lotus root forming mechanism is connected to a water inlet pipe, and the other end of the water inlet pipe is connected to an electric flocculation tank.

[0006] Preferably, a circular hole connected to the filling port is opened at the end of the blanking plate, and a U-shaped baffle is provided at the end of the blanking plate and above the circular hole.

[0007] Preferably, the blanking plate is a U-shaped plate that is tilted downward at one end close to the garbage lotus root forming machine, the inclination angle of the blanking plate is 10-30°, the end of the blanking plate is a thickened wall panel, and the angle between the side wall of the U-shaped baffle and the horizontal plane is maintained above 70°.

[0008] Preferably, the inner wall of the blanking plate and the inner side wall of the U-shaped baffle are both provided with a Teflon self-lubricating and wear-resistant lining layer.

[0009] Preferably, the filling port is a cylindrical container with upper and lower openings, and the upper end of the filling port is connected to the circular hole at the end of the blanking plate.

[0010] Preferably, the garbage lotus root forming mechanism comprises a U-shaped frame, two vertical rods of the U-shaped frame are slidably sleeved with a special-shaped plate, the lower surface of the special-shaped plate is fixedly connected with three supporting vertical rods, the lower ends of the three supporting vertical rods are respectively fixedly connected with a blank pressing punch, a punching punch, and a demoulding punch, the filling port, the blank pressing punch, the punching punch, and the demoulding punch are located at the four equal points of the same circle, the two ends of the special-shaped plate are respectively rotatably connected with connecting rods, the lower ends of the connecting rods are rotatably connected with the power mechanism, and the lower parts of the blank pressing punch, the punching punch, and the demoulding punch are rotatably installed with connecting rods. A forming table, the lower end opening of the filling port is slidably fitted with the upper surface of the forming table, the upper surface of the forming table is provided with four through holes, the four through holes are respectively located directly below the filling port, the pressing punch, the punching punch, and the demoulding punch, a tray is rotatably overlapped on the lower surface of the forming table, the upper surface of the tray, the pressing punch, the punching punch, and the demoulding punch are respectively provided with a filter screen, a small circular groove matched with the lower end of the punching punch, and a garbage lotus root falling hole, the lower end of the filter screen is connected to a water inlet pipe, and a conveyor belt is installed directly below the garbage lotus root falling hole.

[0011] Preferably, the blank pressing punch and demoulding punch are flat plates, and the punching punch is an assembly of multiple round rods with conical lower ends.

[0012] Preferably, the surfaces of the two vertical rods of the U-shaped frame, the inner wall of the through hole, the surface of the blank pressing punch, the surface of the punching punch, the surface of the demoulding punch, the upper surface of the tray and the lower surface of the forming table are all smooth surfaces.

[0013] Preferably, the surfaces of the two vertical rods of the U-shaped frame, the inner wall of the through hole, the surface of the blanking punch, the surface of the punching punch, the surface of the demoulding punch, the upper surface of the tray and the lower surface of the forming table are all provided with a Teflon self-lubricating wear-resistant layer.

[0014] Preferably, the power structure includes a motor, a small pulley is fixedly connected to the output shaft of the motor, and is connected to a large pulley through a belt drive, two small gears are coaxially connected to the large pulley, the small gear is meshed with a large gear, the lower end of the connecting rod is rotatably connected to the large gear to form a connecting rod mechanism, a transmission shaft is coaxially fixedly connected between the two large gears, a large bevel gear is fixedly sleeved on the outer wall of the transmission shaft, a small bevel gear is meshed with the large bevel gear, the bottom of the small bevel gear is coaxially fixedly connected to a steering shaft I, a dial is fixedly sleeved on the outer wall of the steering shaft I, the lower end of the steering shaft I is sleeved with a supporting platform, the end of the support platform away from the steering shaft I is sleeved with a steering shaft II, a groove wheel is fixedly sleeved on the outer wall of the steering shaft II, the dial and the groove wheel are connected with a high pair, and the upper end of the steering shaft II rotates through the tray and is fixedly connected to the lower surface of the forming table.

[0015] Beneficial Effects

[0016] The utility model provides a domestic waste pretreatment device, which is convenient for crushing domestic waste into suitable sizes by arranging a shearing crusher, and is convenient for subsequent compression and punching. By arranging a garbage lotus root forming machine, it is convenient to compress the volume of the garbage, reduce the moisture content of the garbage, and compress the garbage into the shape of lotus root slices (honeycomb coal shape), which is convenient for increasing the amount of garbage treated in a single magnetic pyrolysis, making the reaction more complete, reducing the water content of the tail gas to be treated, improving the pyrolysis efficiency, and reducing the energy consumption. By arranging an electric flocculation tank, it is convenient to purify the wastewater generated by the compressed garbage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the garbage lotus root forming machine in the utility model;

[0019] Figure 3 This is a schematic diagram of the top view of the tray in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the punching punch in the utility model.

[0021] In the figure: 1. Shearing crusher; 2. Garbage lotus root forming machine; 3. Electric flocculation tank; 1-1. Feeding hopper; 1-2. Tooth roller; 1-3. Feeding plate; 1-4. U-shaped baffle; 2-1. Filling port; 2-2. Blanking punch; 2-3. Punching punch; 2-4. Demolding punch; 2-5. Conveyor belt; 2-6. Motor; 2-7. Big gear; 2-8. Transmission shaft; 2-9. Big bevel gear; 2-10. Small bevel gear; 2-1 1. Steering shaft I; 2-12. Dial; 2-13. Support platform; 2-14. Groove wheel; 2-15. Steering shaft II; 2-16. Connecting rod; 2-17. Special-shaped plate; 2-18. U-shaped frame; 2-19. Pinion; 2-20. Forming table; 2-21. Support vertical rod; 2-22. Tray; 2-23. Filter; 2-24. Small round groove; 2-25. Garbage lotus root falling hole; 3-1. Water inlet pipe; 3-2. Plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-4As shown, the utility model provides a technical solution: a domestic waste pretreatment device, including a shearing crusher 1, a garbage lotus root forming machine 2 and an electric flocculation tank 3, the shearing crusher 1 is provided with a feeding funnel 1-1 on the top, a toothed roller 1-2 inside, and a feeding plate 1-3 placed below the toothed roller 1-2 at the bottom, the feeding funnel 1-1 is connected to the top of the toothed roller 1-2 by bolts, the funnel 1-1 is a trapezoidal structure, and the angle between the side wall and the horizontal plane is maintained within 30°, the funnel 1-1 plays the role of pre-storage and wide accommodation, which is convenient for one-time feeding and continuous operation during the implementation process, this embodiment In the middle, the edge of the tooth roller 1-2 is chamfered with 1.5mm fillet to reduce stress concentration. The farthest point of the tooth profile on the tooth roller 1-2 is 108.5mm from the center of the circle, and the closest point is 92mm from the center of the circle. The center distance between the two tooth rollers 1-2 is 200mm. A 0.5mm gap is guaranteed between the two tooth rollers 1-2 to prevent mutual collision, affect the surface roughness, and reduce the crushing effect; the distance between adjacent tooth profiles on the tooth roller 1-2 is 20mm to ensure that the size of the crushed garbage is appropriate. The end of the blanking plate 1-3, that is, the end of the blanking plate 1-3 away from the shearing crusher 1 is connected to the filling port 2-1 of the garbage lotus root forming machine 2;

[0024] The garbage lotus root forming machine 2 includes a filling port 2-1, a garbage lotus root forming mechanism and a power mechanism. The upper end of the filling port 2-1 is connected to the end of the unloading plate 1-3, and the lower end is slidably connected to the garbage lotus root forming mechanism. The garbage lotus root forming mechanism and the power mechanism are transmission-connected. The garbage lotus root forming machine 2 compresses the garbage into garbage lotus roots (lotus root slice shape or honeycomb coal shape) to fully save space and improve the space utilization rate of the pyrolysis furnace. The lotus root holes (punching) in the garbage lotus roots can increase the contact area between the garbage and the catalyst, improve the combustion efficiency, and then improve the pyrolysis efficiency and reduce energy consumption. The bottom of the garbage lotus root forming mechanism is connected to a water inlet pipe 3-1, and the other end of the water inlet pipe 3-1 is connected to the electric The flocculation tank 3 is connected; the electric flocculation tank 3 includes a tank body, which is connected to the end of the water inlet pipe 3-1 away from the garbage lotus root forming machine 2. A plurality of pole plates 3-2 are arranged in the tank body. In this embodiment, the electric flocculation tank 3 contains 4 anode plates and 4 cathode plates. The four pole plates are evenly distributed in the tank body to facilitate the reaction to fully occur and avoid excessive ineffective waste, which is not conducive to cost saving. The diameter of the water inlet pipe 3-1 is 100mm, corresponding to the filter screen 2-23. After the wastewater enters the electric flocculation tank 3, the pole plate 3-2 is energized for electrolysis to produce Fe(OH)3 and other flocculants to promote the flocculation of impurities in the water. The flocculated impurities can be salvaged and filtered out through an artificial filter screen. Since the wastewater is treated is domestic waste, the impurities filtered out basically do not contain toxic and harmful heavy metal ions, and most of them are organic pollutants. They can enter the shear crusher 1 together with the waste to be treated for pretreatment and subsequent magnetization pyrolysis.

[0025] Specifically, a circular hole connected to the filling port 2-1 is opened at the end of the feed plate 1-3, which is used for feeding the garbage lotus root forming machine 2. In this embodiment, the diameter of the circular hole is 300 mm. A U-shaped baffle 1-4 is provided at the end of the feed plate 1-3 and above the circular hole, which is used to intercept and temporarily store the crushed garbage. Under the action of gravity, the crushed garbage falls into the filling port 2-1 through the circular hole at the end of the feed plate 1-3. The feed plate 1-3 is a U-shaped plate with one end close to the garbage lotus root forming machine 2 tilted downward. The feed plate 1-3 is connected to the bottom of the shearing crusher 1 by bolts, so as to receive the crushed garbage and transport the crushed garbage to the garbage lotus root forming machine 2. The filling port 2-1 of the forming machine 2 and the inclination angle of the discharge plate 1-3 are 10-30°, which ensures that the crushed garbage can slide down smoothly by gravity, and avoids sliding down too fast when the angle is too large and causing impact on the U-shaped baffle 1-4. The end of the discharge plate 1-3 is a thickened wall panel to enhance the strength of the end of the discharge plate 1-3 and the U-shaped baffle 1-4, ensuring that the crushed garbage can be temporarily stored. In this embodiment, the wall thickness of the end of the discharge plate 1-3 is 10mm, and the angle between the side wall of the U-shaped baffle 1-4 and the horizontal plane is maintained at more than 70°. The inner wall of the discharge plate 1-3 and the inner side wall of the U-shaped baffle 1-4 are both provided with a Teflon self-lubricating and wear-resistant lining layer.

[0026] Specifically, the filling port 2-1 is a cylindrical container with upper and lower openings, and the upper end of the filling port 2-1 is connected to the circular hole at the end of the blanking plate 1-3. In this embodiment, the upper end of the filling port 2-1 is welded and fixed to the circular hole at the end of the blanking plate 1-3. The filling port 2-1 is a 71° hollow cone, which is convenient for ensuring the feeding rate and has a certain storage space. The top opening of the filling port 2-1 is a large hole with a diameter of 300 mm, and it is connected to the circular hole at the end of the blanking plate 1-3. The lower end opening of the filling port 2-1 is a small hole with a diameter of 100 mm, and it is connected to the through hole on the forming table 2-20.

[0027] Specifically, the garbage lotus root forming mechanism includes a U-shaped frame 2-18, the lower ends of the two vertical rods of the U-shaped frame 2-18 are fixedly connected to the base or the ground, the two vertical rods of the U-shaped frame 2-18 are slidably sleeved with the same special-shaped plate 2-17, the lower surface of the special-shaped plate 2-17 is fixedly connected with three supporting vertical rods 2-21, the lower ends of the three supporting vertical rods 2-21 are respectively fixedly connected with a blanking punch 2-2, a punching punch 2-3, and a demoulding punch 2-4, the filling port 2-1, the blanking punch 2-2, the punching punch 2-3, and the demoulding punch 2-4 are arranged counterclockwise, the filling port 2-1, the blanking punch 2-2, the punching punch 2-3, and the demoulding punch 2-4 are located at the four equal points of the same circle, and the blanking punch 2-2 and the demoulding punch 2-4 are suitable for the through hole. The circular plate, rectangular plate, triangular plate, hexagonal plate or octagonal plate is matched. In the present embodiment, it is a circular plate. The punching punch 2-3 is a collection of multiple round rods with conical lower ends. The lower ends of the round rods are set to be conical, which is convenient for reducing the punching resistance and reducing the residual slag. In the present embodiment, the diameter of the round rod is 14mm, and the tip of the round rod is a passivated cone generated by a spline curve rotating body, which is relatively gentle and not easy to puncture the garbage, causing the garbage to stick to the punching punch 2-3, and can effectively squeeze the garbage into the surrounding space. The two ends of the special-shaped plate 2-17 are respectively rotatably connected with a connecting rod 2-16, and the lower end of the connecting rod 2-16 is rotatably connected to the power mechanism. A forming table 2-20 is rotatably installed below the blanking punch 2-2, the punching punch 2-3, and the demoulding punch 2-4. The filling port The lower end opening of 2-1 is slidably fitted with the upper surface of the forming table 2-20. The upper surface of the forming table 2-20 is provided with four through holes that penetrate the forming table 2-20 from the thickness direction and are compatible with the pressing punch 2-2, the punching punch 2-3, and the demoulding punch 2-4. The through holes in this embodiment are circular holes with a diameter of 100 mm and a height of 93 mm. After compression, the space is a cylinder with a diameter of 100 mm and a height of 75 mm, which is compressed to 80% of the original size. Mechanical transmission can meet the power requirements without the need for hydraulic transmission, which reduces costs, significantly reduces the volume of garbage, and improves the efficiency of the pyrolysis furnace. The four through holes are respectively located directly below the filling port 2-1, the pressing punch 2-2, the punching punch 2-3, and the demoulding punch 2-4. The lower surface of the forming table 2-20 The upper surface of the tray 2-22 is slidably fitted with the lower surface of the forming table 2-20, and the two ends of the tray 2-22 are fixedly connected to the two vertical rods of the U-shaped frame 2-18. The upper surface of the tray 2-22, the blank pressing punch 2-2, the punching punch 2-3, and the demoulding punch 2-4 are respectively provided with a filter screen 2-23, a small circular groove 2-24 adapted to the lower end of the punching punch 2-3, and a garbage lotus root shedding hole 2-25 that penetrates the tray 2-22 from the thickness direction. The filter screen 2-23 is convenient for filtering out the waste residue overflowed during the compression of the garbage by the blank pressing punch 2-2, that is, only waste water can enter the water inlet 3-1 through the filter screen 2-23 during the compression process. The upper surface of the filter screen 2-23 is flush with the upper surface of the tray 2-22.When the forming table 2-20 rotates, the residue on the upper surface of the filter screen 2-23 will be scraped off to avoid clogging the filter screen 2-23. The lower end of the filter screen 2-23 is connected to the water inlet pipe 3-1, which is convenient for conveying the wastewater generated when compressing the garbage to the electric flocculation tank 3 for purification. The diameter of the garbage lotus root shedding hole 2-25 is larger than the diameter of the through hole. A conveyor belt 2-5 is installed directly below the garbage lotus root shedding hole 2-25 to convey the garbage lotus root to the pyrolysis furnace.

[0028] Specifically, the surfaces of the two vertical rods of the U-shaped frame 2-18, the inner wall of the through hole, the surface of the blank pressing punch 2-2, the surface of the punching punch 2-3, the surface of the demolding punch 2-4, the upper surface of the tray 2-22 and the lower surface of the forming table 2-20 are all smooth surfaces, and the surfaces of the two vertical rods of the U-shaped frame 2-18, the inner wall of the through hole, the surface of the blank pressing punch 2-2, the surface of the punching punch 2-3, the surface of the demolding punch 2-4, the upper surface of the tray 2-22 and the lower surface of the forming table 2-20 are all provided with a Teflon self-lubricating and wear-resistant layer.

[0029] Specifically, the power structure includes a motor 2-6, which is used to drive the garbage lotus root forming machine 2. A small pulley is fixedly connected to the output shaft of the motor 2-6, and is connected to a large pulley through a belt drive. Two small gears 2-19 are coaxially connected to the large pulley through a circular shaft. The small gear 2-19 is meshed with a large gear 2-7. The lower end of the connecting rod 2-16 is rotatably connected to the outer wall of the large gear 2-7 through a pin to form a connecting rod mechanism. The large gear 2-7 rotates one circle, so that the connecting rod 2-16 travels once in the vertical direction, and drives the special-shaped plate 2-17 to move up and down once along the vertical rod of the U-shaped frame 2-18, which can drive the blanking punch 2-2, the punching punch 2-3, and the demolding punch 2-4 to perform compression, punching, demolding and other operations. The two large gears 2-7 are coaxially fixedly connected with the same transmission shaft 2-8, the transmission shaft 2-8 is key-connected to the large gear 2-7, the outer wall of the transmission shaft 2-8 is rotatably sleeved with a shaft bracket (not shown in the figure), the lower end of the shaft bracket is fixedly connected to the base or the ground, a large bevel gear 2-9 is fixedly sleeved on the outer wall of the transmission shaft 2-8, the large bevel gear 2-9 is key-connected to the transmission shaft 2-8, a small bevel gear 2-10 is meshingly connected to the large bevel gear 2-9, the bottom of the small bevel gear 2-10 is coaxially fixedly connected to a steering shaft I 2-11, the small bevel gear 2-10 is key-connected to the steering shaft I 2-11, a dial 2-12 is fixedly sleeved on the outer wall of the steering shaft I 2-11, the steering shaft I 2-11 is key-connected to the dial 2-12, and the steering shaft I 2 -11 is rotatably sleeved with a support platform 2-13 at the lower end, and a clearance fit is formed between the steering shaft Ⅰ2-11 and the support platform 2-13 to facilitate the free rotation of the steering shaft Ⅰ2-11. A steering shaft Ⅱ2-15 is rotatably sleeved at one end of the support platform 2-13 away from the steering shaft Ⅰ2-11, and a clearance fit is formed between the steering shaft Ⅱ2-15 and the support platform 2-13 to facilitate the free rotation of the steering shaft Ⅱ2-15. A groove wheel 2-14 is fixedly sleeved on the outer wall of the steering shaft Ⅱ2-15, and the steering shaft Ⅱ2-15 is key-connected with the groove wheel 2-14, and the dial 2-12 is connected to the groove wheel 2-14 with a high pair. The upper end of the steering shaft Ⅱ2-15 rotates through the tray 2-22 and is fixedly connected to the lower surface of the forming table 2-20. The motor 2-6 is driven by a belt transmission structure. The small gear 2-19 is driven to rotate, and then the large gear 2-7 drives the transmission shaft 2-8 to rotate, and then drives the large bevel gear 2-9 to rotate. The large bevel gear 2-9 and the small bevel gear 2-10 are meshed and transmitted, and then the steering shaft I 2-11 drives the dial 2-12 to rotate. The small bevel gear 2-10, the dial 2-12 and the steering shaft I 2-11 are connected by keys to ensure the same angular velocity. The dial 2-12 and the groove wheel 2-14 are connected with a high pair. When the dial 2-12 rotates one circle, it drives the groove wheel 2-14 to rotate 1 / 4 circle, and then drives the forming table 2-20 to rotate 1 / 4 circle through the steering shaft II 2-15, so that the garbage in the groove of the forming table 2-20 rotates counterclockwise, that is, feeding → compression → punching → demolding, and the cycle is carried out in sequence.

[0030] The working process of the utility model is as follows: domestic garbage is first fed into the shearing crusher 1 through the feeding funnel 1-1 for crushing; the crushed garbage falls through the gap between the tooth rollers 1-2 to the unloading plate 1-3, and is driven by gravity to slide to the circular hole at the end of the unloading plate 1-3 for stacking; the garbage at the bottom enters the filling port 2-1 through the circular hole; the garbage at the bottom of the filling port 2-1 falls into the through hole on the forming table 2-20 that is connected to the opening at the lower end of the filling port 2-1; then the motor 2-6 drives the pinion 2-19 to rotate through the belt transmission mechanism, and then The large gear 2-7 drives the large bevel gear 2-9 to rotate through the transmission shaft 2-8, and then drives the steering shaft Ⅰ2-11 to rotate through the small bevel gear 2-10, and then drives the groove wheel 2-14 to rotate through the dial 2-12, and then drives the forming table 2-20 to rotate 1 / 4 circle counterclockwise through the steering shaft Ⅱ2-15, and then the through hole of the newly added garbage on the forming table 2-20 is rotated to the bottom of the blank punch 2-2, and the through hole of the garbage lotus root after demoulding is moved to the bottom of the filling port 2-1 and the garbage to be compressed is added. At the same time, the large gear 2-7 is driven by the The connecting rod 2-16 drives the special-shaped plate 2-17 to move up and down along the vertical rod of the U-shaped frame 2-18, thereby driving the blank pressing punch 2-2 to compress the garbage in the through hole. The wastewater generated in this process enters the electric flocculation tank 3 for purification through the filter screen 2-23 and the water inlet pipe 3-1. At the same time, the punching punch 2-3 and the demoulding punch 2-4 move synchronously with the blank pressing punch 2-2 to punch and demould the garbage in the through hole directly below it. By repeating this operation, the garbage lotus root can be pressed in a four-step cycle of feeding, compressing and filtering water, punching, and demoulding; The domestic waste pretreatment device of the utility model is convenient for crushing domestic waste into suitable sizes by arranging a shearing crusher, which is convenient for subsequent compression, water filtration and drilling. By arranging a garbage lotus root forming machine, it is convenient to compress the volume of garbage to save space, reduce the moisture content of garbage, and compress the garbage into the shape of lotus root slices (honeycomb coal shape), which is convenient for increasing the amount of garbage processed by the magnetized pyrolysis furnace at a time, making the reaction more complete, reducing the water content of tail gas processing, improving the pyrolysis efficiency, reducing energy consumption, and saving the cost of garbage treatment. By arranging an electric flocculation tank, it is convenient to purify the wastewater generated by the compressed garbage.

[0031] As an alternative, the support vertical rod 2-21 can be replaced by an electric push rod, a hydraulic rod or a cylinder.

Claims

1. A household garbage pretreatment device, comprising a shearing crusher (1), a garbage lotus root forming machine (2) and an electric flocculation tank (3), characterized in that: The shearing crusher (1) is provided with a feeding hopper (1-1) on the top, a toothed roller (1-2) inside, and a discharge plate (1-3) at the bottom, and the end of the discharge plate (1-3) is connected to the filling port (2-1) of the garbage lotus root forming machine (2); The garbage lotus root forming machine (2) comprises a filling port (2-1), a garbage lotus root forming mechanism and a power mechanism. The upper end of the filling port (2-1) is connected to the end of a feed plate (1-3), and the lower end is slidably connected to the garbage lotus root forming mechanism. The garbage lotus root forming mechanism and the power mechanism are transmission-connected. The bottom of the garbage lotus root forming mechanism is connected to a water inlet pipe (3-1), and the other end of the water inlet pipe (3-1) is connected to an electric flocculation tank (3).

2. A household waste pretreatment device according to claim 1, characterized in that: A circular hole connected to the filling port (2-1) is provided at the end of the blanking plate (1-3), and a U-shaped baffle (1-4) is provided at the end of the blanking plate (1-3) and above the circular hole.

3. A household waste pretreatment device according to claim 2, characterized in that: The blanking plate (1-3) is a U-shaped plate inclined downward at one end close to the garbage lotus root forming machine (2), the inclination angle of the blanking plate (1-3) is 10-30°, the end of the blanking plate (1-3) is a thickened wall plate, and the angle between the side wall of the U-shaped baffle (1-4) and the horizontal plane is maintained at more than 70°.

4. A household waste pretreatment device according to claim 2, characterized in that: The inner wall of the blanking plate (1-3) and the inner side wall of the U-shaped baffle (1-4) are both provided with a Teflon self-lubricating and wear-resistant lining layer.

5. A household waste pretreatment device according to claim 1, characterized in that: The filling port (2-1) is a cylindrical container with upper and lower openings, and the upper end of the filling port (2-1) is connected to the circular hole at the end of the blanking plate (1-3).

6. A household waste pretreatment device according to claim 1, characterized in that: The garbage lotus root forming mechanism comprises a U-shaped frame (2-18), two vertical rods of the U-shaped frame (2-18) are slidably sleeved with a special-shaped plate (2-17), the lower surface of the special-shaped plate (2-17) is fixedly connected with three supporting vertical rods (2-21), the lower ends of the three supporting vertical rods (2-21) are respectively fixedly connected with a pressing punch (2-2), a punching punch (2-3), and a demoulding punch (2-4), and the filling port (2 -1), the blank pressing punch (2-2), the punching punch (2-3), and the demoulding punch (2-4) are located at the four equal points of the same circle, the two ends of the special-shaped plate (2-17) are rotatably connected with connecting rods (2-16), the lower end of the connecting rod (2-16) is rotatably connected with the power mechanism, and a forming table (2-20) is rotatably installed below the blank pressing punch (2-2), the punching punch (2-3), and the demoulding punch (2-4), the lower end opening of the filling port (2-1) is slidably fitted with the upper surface of the forming table (2-20), and the upper surface of the forming table (2-20) is provided with four through holes, and the four through holes are respectively located directly below the filling port (2-1), the blank pressing punch (2-2), the punching punch (2-3), and the demoulding punch (2-4), and the lower surface of the forming table (2-20) is rotatably overlapped with a tray (2-22), and the tray (2-22 ), a filter screen (2-23), a small circular groove (2-24) matched with the lower end of the punching punch (2-3), and a garbage lotus root falling hole (2-25) are respectively provided on the upper surface of the blank pressing punch (2-2), the punching punch (2-3), and the demoulding punch (2-4); the lower end of the filter screen (2-23) is connected to a water inlet pipe (3-1), and a conveyor belt (2-5) is installed directly below the garbage lotus root falling hole (2-25).

7. A household waste pretreatment device according to claim 6, characterized in that: The green sheet punch (2-2) and the demoulding punch (2-4) are flat plates, and the punching punch (2-3) is a collection of multiple round rods with conical lower ends.

8. A household waste pretreatment device according to claim 6, characterized in that: The surfaces of the two vertical rods of the U-shaped frame (2-18), the inner wall of the through hole, the surface of the blank pressing punch (2-2), the surface of the punching punch (2-3), the surface of the demoulding punch (2-4), the upper surface of the tray (2-22) and the lower surface of the forming table (2-20) are all smooth surfaces.

9. A household waste pretreatment device according to claim 6, characterized in that: The surfaces of the two vertical rods of the U-shaped frame (2-18), the inner wall of the through hole, the surface of the blank pressing punch (2-2), the surface of the punching punch (2-3), the surface of the demoulding punch (2-4), the upper surface of the tray (2-22) and the lower surface of the forming table (2-20) are all provided with a Teflon self-lubricating wear-resistant layer.

10. A household waste pretreatment device according to claim 6, characterized in that: The power mechanism comprises a motor (2-6), a small pulley is fixedly connected to the output shaft of the motor (2-6), and is connected to a large pulley through a belt transmission, two small gears (2-19) are coaxially connected to the large pulley, the small gear (2-19) is meshingly connected to the large gear (2-7), the lower end of the connecting rod (2-16) is rotatably connected to the large gear (2-7), forming a connecting rod mechanism, a transmission shaft (2-8) is coaxially fixedly connected between the two large gears (2-7), a large bevel gear (2-9) is fixedly sleeved on the outer wall of the transmission shaft (2-8), the large bevel gear (2-9) is meshingly connected to the small bevel gear (2-10), the small bevel gear (2-11) is meshingly connected to the large bevel gear (2-11), and the small bevel gear (2-11) is meshingly connected to the large bevel gear (2-11). The bottom of the gear (2-10) is coaxially fixedly connected with a steering shaft I (2-11), a dial (2-12) is fixedly sleeved on the outer wall of the steering shaft I (2-11), a support platform (2-13) is sleeved on the lower end of the steering shaft I (2-11), a steering shaft II (2-15) is sleeved on the end of the support platform (2-13) away from the steering shaft I (2-11), a groove wheel (2-14) is fixedly sleeved on the outer wall of the steering shaft II (2-15), the dial (2-12) and the groove wheel (2-14) are connected with a high pair, and the upper end of the steering shaft II (2-15) rotates through the tray (2-22) and is fixedly connected to the lower surface of the forming table (2-20).

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