Vacuum negative-pressure quick drying device for household garbage

Abstract

The utility model discloses a vacuum negative-pressure quick drying device for household garbage, which comprises an outer heat preservation cylinder, the vacuum negative-pressure quick drying device for the household garbage provides an electric power source for an electric heating coil through a heat source inlet to promote the electric heating coil to heat, and the electric heating coil is attached to the outer surface of an inner container to heat the inner container. Two groups of electric heating coils are arranged, so that the heating area can be increased, the household garbage is uniformly heated, the household garbage is fed into the inner container through the feeding hole, the transmission motor drives the inner shaft to rotate, and the inner shaft drives the multiple groups of stirring rake teeth to rotate, so that the household garbage in the inner container can be turned over; the household garbage is in continuous contact with the inner wall of the inner container, the heat conduction effect can be fully utilized for drying the household garbage, and through continuous stirring, water contained in the household garbage can be better discharged, evaporation of the water is accelerated, the drying effect is improved, energy consumption is reduced, and the treatment time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of domestic garbage treatment, in particular to a vacuum negative pressure rapid drying device for domestic garbage. Background Art

[0002] Domestic waste refers to solid waste generated in daily life or in activities that provide services for daily life, as well as solid waste that is deemed as domestic waste by laws and administrative regulations. There are many ways to deal with domestic waste, including landfill, incineration, composting, biological treatment and recycling. Drying, as one of the key steps in waste pretreatment, can significantly reduce the moisture content of the waste, which is conducive to subsequent incineration, composting or resource utilization.

[0003] Existing domestic waste drying technology, if not handled properly during the landfill and incineration process, may produce harmful gases, dust and other pollutants, causing pollution to the atmospheric environment. In addition, there are many problems such as high energy consumption, long processing time and unstable effect. For this reason, we propose a domestic waste vacuum negative pressure rapid drying device. Utility Model Content

[0004] The purpose of the utility model is to provide a vacuum negative pressure rapid drying device for domestic waste, so as to solve the problems that the domestic waste drying technology proposed in the above background technology may produce harmful gases, dust and other pollutants during the landfill and incineration process if not handled properly, causing pollution to the atmospheric environment, and there are also many defects such as high energy consumption, long processing time and unstable effect.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a vacuum negative pressure rapid drying device for domestic waste, comprising an outer insulation cylinder, an inner liner installed inside the outer insulation cylinder, a transmission motor provided on one side of the outer insulation cylinder, an output end of the transmission motor fixedly connected to a bearing seat, an inner shaft fixedly connected to the other side of the bearing seat and located in the middle of the inner liner, a plurality of groups of stirring rake teeth evenly arranged on the outer surface of the inner shaft;

[0006] A jacket is welded on the outer surface of the inner tank and located between the outer insulation tubes. Two groups of jackets are provided, and the jacket is annularly wrapped around the outer surface of the inner tank. An electric heating coil is connected around the middle of the jacket and located on the outer surface of the inner tank.

[0007] Preferably, the bottom of the outer insulation cylinder is welded to a support frame, and the transmission motor is fixedly connected to the upper end surface of the support frame, a feed port is installed above the outer insulation cylinder, and the output end of the feed port is connected to the inner tank, a pneumatic discharge port is installed below the outer insulation cylinder, and the pneumatic discharge port is connected to the inner tank, and a valve is fixedly installed on the outside of the pneumatic discharge port.

[0008] Preferably, multiple groups of ventilation ducts are fixedly installed on the upper and lower ends of the outer insulation tube, and the left and right sides of the outer insulation tube are fastened with sealed end covers, the side end faces of the sealed end covers are fixedly connected with a heat source inlet, and the heat source inlet is connected to the electric heating coil, and the lower end face of the heat source inlet is fixedly connected with a condensate discharge outlet.

[0009] Preferably, a buffer tank is connected through the top of the outer insulation cylinder, a pressure gauge is fixedly installed on the top of the buffer tank, a conduit is fixedly connected to one side of the buffer tank, and a water separator is fixedly connected to the other end of the conduit.

[0010] Preferably, the bottom of the water separator is connected to a drain outlet, the interior of the water separator is detachably connected to a vacuum filter, the other end of the water separator is connected to a connecting pipe, the other end of the connecting pipe is fixedly connected to a vacuum pump, and the other side of the vacuum pump is fixedly connected to a vacuum exhaust pipe.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The vacuum negative pressure rapid drying device for domestic waste provides a power source to the electric heating coil through a heat source inlet, causing the electric heating coil to generate heat. The electric heating coil is attached to the outer surface of the inner tank and can heat the inner tank. The provision of two groups of electric heating coils can increase the heating area, so that the domestic waste is heated evenly. The domestic waste is put into the inner tank through the feed port, and the inner shaft is driven to rotate by a transmission motor. The inner shaft drives multiple groups of stirring rake teeth to rotate, which can turn the domestic waste inside the inner tank, so that the domestic waste is in constant contact with the inner wall of the inner tank, and can fully utilize the heat conduction effect to dry the domestic waste. The continuous turning can help to better discharge the moisture contained in the domestic waste, accelerate the evaporation of moisture, improve the drying effect, reduce energy consumption, and shorten the processing time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal drying structure of the outer insulation cylinder of the utility model;

[0015] Figure 3 This is a schematic diagram of the water vapor exhaust structure of the utility model.

[0016] In the figure: 1. Outer insulation cylinder; 2. Support frame; 3. Feed inlet; 4. Pneumatic discharge port; 5. Valve; 6. Inner tank; 7. Drive motor; 8. Bearing seat; 9. Inner shaft; 10. Mixing rake teeth; 11. Jacket; 12. Electric heating coil; 13. Ventilation duct; 14. Sealing end cover; 15. Heat source inlet; 16. Condensate discharge outlet; 17. Buffer tank; 18. Pressure gauge; 19. Conduit; 20. Water separator; 21. Drain outlet; 22. Vacuum filter; 23. Connecting pipe; 24. Vacuum pump; 25. Vacuum discharge pipe. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figure 1-3 The utility model provides a technical solution: a vacuum negative pressure rapid drying device for domestic garbage, comprising an outer heat-insulating cylinder 1, an inner liner 6 is installed inside the outer heat-insulating cylinder 1, a transmission motor 7 is provided on one side of the outer heat-insulating cylinder 1, the output end of the transmission motor 7 is fixedly connected to a bearing seat 8, an inner shaft 9 is fixedly connected to the other side of the bearing seat 8 and located in the middle of the inner liner 6, and a plurality of groups of stirring rake teeth 10 are evenly arranged on the outer surface of the inner shaft 9;

[0019] A jacket 11 is welded to the outer surface of the inner liner 6 and located between the outer insulation tube 1, and two groups of jackets 11 are provided, and the jacket 11 is annularly wrapped around the outer surface of the inner liner 6. An electric heating coil 12 is connected to the middle of the jacket 11 and located on the outer surface of the inner liner 6.

[0020] The electric heating coil 12 is provided with electric power through the heat source inlet 15, so that the electric heating coil 12 generates heat. The electric heating coil 12 is attached to the outer surface of the inner tank 6 and can heat the inner tank 6. The provision of two groups of electric heating coils 12 can increase the heating area so that the domestic garbage is heated evenly. The domestic garbage is put into the inner tank 6 through the feed port 3, and the inner shaft 9 is driven to rotate by the transmission motor 7. The inner shaft 9 drives multiple groups of stirring rake teeth 10 to rotate, which can turn the domestic garbage inside the inner tank 6, so that the domestic garbage is in constant contact with the inner wall of the inner tank 6, and can make full use of the heat conduction effect to dry the domestic garbage. The continuous turning can help to better discharge the moisture contained in the domestic garbage, accelerate the evaporation of moisture, improve the drying effect, reduce energy consumption, and shorten the processing time.

[0021] Furthermore, the bottom of the outer insulation tube 1 is welded to the support frame 2, and the transmission motor 7 is fixedly connected to the upper end surface of the support frame 2, a feed port 3 is installed above the outer insulation tube 1, and the output end of the feed port 3 is connected to the inner tank 6, a pneumatic discharge port 4 is installed below the outer insulation tube 1, and the pneumatic discharge port 4 is connected to the inner tank 6, a valve 5 is fixedly installed on the outside of the pneumatic discharge port 4, and domestic waste is put into the middle of the inner tank 6 through the feed port 3 for drying treatment. The domestic waste after drying treatment is discharged through the pneumatic discharge port 4 with good sealing performance and is packaged and collected after cooling, which can better maintain the original characteristics of the material and reduce quality loss.

[0022] Furthermore, multiple groups of ventilation ducts 13 are fixedly installed at the upper and lower ends of the outer insulation tube 1, and the left and right sides of the outer insulation tube 1 are fastened with sealed end covers 14. The side end faces of the sealed end covers 14 are fixedly connected with a heat source inlet 15, and the heat source inlet 15 is connected to the electric heating coil 12. The lower end face of the heat source inlet 15 is fixedly connected with a condensate outlet 16. By installing the sealed end covers 14 on both sides of the outer insulation tube 1, during the drying process of domestic waste, the contact between the material and oxygen can be reduced, the oxidation and deterioration of the material and the loss of quality can be avoided or reduced, the volatilization and emission of harmful substances can be effectively reduced, and the pollution to the environment can be reduced. The water vapor formed during the drying process is discharged through the condensate outlet 16, and can be discharged to the outside of the equipment in a timely and effective manner to prevent it from accumulating inside the equipment, so as to maintain the normal operation of the equipment.

[0023] Furthermore, a buffer tank 17 is connected to the top of the outer insulation cylinder 1, and a pressure gauge 18 is fixedly installed on the top of the buffer tank 17. A conduit 19 is fixedly connected to one side of the buffer tank 17, and the other end of the conduit 19 is fixedly connected to a water separator 20. The air inside the cylinder is extracted through the buffer tank 17 by a vacuum pump 24. A pressure surface 18 is installed on the buffer tank 17. The pressure gauge 18 can monitor and display the vacuum degree in the cylinder in real time, which can help the staff understand the vacuum state inside the cylinder and ensure the normal drying effect of domestic waste. The gas flows into the water separator 20 through the conduit 19, and the impurities and pollutants contained in the gas are removed through the water separator 20 to avoid adverse effects on the environment caused by discharge, which helps to reduce pollution to the environment.

[0024] Furthermore, the bottom of the water separator 20 is connected with a drain outlet 21, and the interior of the water separator 20 is detachably connected with a vacuum filter 22. The other end of the water separator 20 is connected with a connecting pipe 23, and the other end of the connecting pipe 23 is fixedly connected to a vacuum pump 24. The other side of the vacuum pump 24 is fixedly connected to a vacuum exhaust pipe 25. A vacuum filter 22 is installed inside the water separator 20. The vacuum filter 22 filters and isolates impurities and pollutants contained in the extracted water vapor, which can prevent pollutants from being directly discharged into the air and causing pollution to the environment. The water separator 20 captures the moisture contained in the water vapor, which can effectively prevent it from re-entering the cylinder or being discharged into the environment, thereby improving the drying efficiency. The filtered water vapor is then discharged from the vacuum exhaust pipe 25 through the connecting pipe 23 by the vacuum pump 24.

[0025] Working principle: For this type of vacuum negative pressure rapid drying device for domestic waste, the staff puts the domestic waste into the middle of the inner tank 6 through the feed port 3, and then provides electricity to the electric heating coil 12 through the heat source inlet 15, so that the electric heating coil 12 is heated. The electric heating coil 12 is attached to the outer surface of the inner tank 6, which can heat the inner tank 6. Then, the transmission motor 7 drives the inner shaft 9 to rotate, and the inner shaft 9 drives multiple groups of stirring rake teeth 10 to rotate, which can turn the domestic waste inside the inner tank 6, so that the domestic waste is in constant contact with the inner wall of the inner tank 6, and can make full use of the heat conduction effect to dry the domestic waste. The water vapor formed during the process is discharged through the condensed water outlet 16, and then the air inside the cylinder is extracted by the vacuum pump 24, so that the inside of the cylinder is in a negative pressure state. Under the negative pressure environment, the boiling point of water is reduced and the evaporation rate is accelerated, which can significantly shorten the drying time and reduce energy consumption. The water vapor inside the cylinder is flowed into the water separator 20 through the conduit 19 by the vacuum pump 24, and the impurities and pollutants contained in the gas are removed through the vacuum filter 22 installed inside the water separator 20 to avoid adverse effects on the environment caused by discharge, which helps to reduce pollution to the environment. Finally, the water vapor is discharged from the vacuum discharge pipe 25 through the connecting pipe 23.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum negative pressure rapid drying device for domestic waste, comprising an outer heat-insulating cylinder (1), characterized in that: An inner liner (6) is installed inside the outer heat-insulating cylinder (1), a transmission motor (7) is provided on one side of the outer heat-insulating cylinder (1), an output end of the transmission motor (7) is fixedly connected to a bearing seat (8), an inner shaft (9) is fixedly connected to the other side of the bearing seat (8) and located in the middle of the inner liner (6), and a plurality of groups of stirring rake teeth (10) are evenly arranged and distributed on the outer surface of the inner shaft (9); A jacket (11) is welded to the outer surface of the inner liner (6) and is located between the outer insulation tube (1), and two groups of jackets (11) are provided. The jacket (11) is annularly wrapped around the outer surface of the inner liner (6), and an electric heating coil (12) is connected to the middle of the jacket (11) and is located on the outer surface of the inner liner (6).

2. The vacuum negative pressure rapid drying device for domestic waste according to claim 1, characterized in that: The bottom of the outer heat-insulating cylinder (1) is welded to a support frame (2), and a transmission motor (7) is fixedly connected to the upper end surface of the support frame (2); a feed port (3) is installed above the outer heat-insulating cylinder (1), and an output end of the feed port (3) is connected to the inner liner (6); a pneumatic discharge port (4) is installed below the outer heat-insulating cylinder (1), and the pneumatic discharge port (4) is connected to the inner liner (6); a valve (5) is fixedly installed on the outside of the pneumatic discharge port (4).

3. The vacuum negative pressure rapid drying device for domestic waste according to claim 1, characterized in that: A plurality of ventilation ducts (13) are fixedly installed at the upper and lower ends of the outer heat-insulating cylinder (1), and a sealing end cover (14) is fastened to the left and right sides of the outer heat-insulating cylinder (1), and a heat source inlet (15) is fixedly connected to the side end face of the sealing end cover (14), and the heat source inlet (15) is connected to the electric heating coil (12), and a condensed water outlet (16) is fixedly connected to the lower end face of the heat source inlet (15).

4. The vacuum negative pressure rapid drying device for domestic waste according to claim 1, characterized in that: A buffer tank (17) is connected through the top of the outer heat-insulating cylinder (1), a pressure gauge (18) is fixedly installed above the buffer tank (17), a conduit (19) is fixedly connected to one side of the buffer tank (17), and a water separator (20) is fixedly connected to the other end of the conduit (19).

5. The vacuum negative pressure rapid drying device for domestic waste according to claim 4, characterized in that: The bottom of the water separator (20) is connected to a drain outlet (21), the interior of the water separator (20) is detachably connected to a vacuum filter (22), the other end of the water separator (20) is connected to a connecting pipe (23), the other end of the connecting pipe (23) is fixedly connected to a vacuum pump (24), and the other side of the vacuum pump (24) is fixedly connected to a vacuum discharge pipe (25).

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