Winter combined heating device for garbage pool
By setting up temperature sensors, heat exchangers and nozzles in the garbage pool, the garbage is heated by using high-temperature flue gas and hot air, the problem of low garbage temperature in the cold season is solved, and effective heating and fermentation of garbage in the garbage pool is achieved. Improves garbage disposal efficiency.
Patent Information
- Application Number
- CN202323569721.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2033-12-27
AI Technical Summary
In the cold season, the garbage temperature of the garbage pool is low, resulting in poor fermentation effect and poor combustion conditions. The existing steam heating pipeline cannot meet the garbage fermentation conditions, and the garbage pool needs to be transformed to increase the temperature.
A combined heating device for winter in garbage pool was designed, including a garbage pool with a tilted bottom, a temperature sensor, a liquid collecting tank, a heat exchanger, a nozzle and a coil. The garbage was heated by high-temperature flue gas and hot air, and controlled by PLC. The device adjusts the opening of the heating device to ensure uniform heating of the garbage in the garbage pool.
It effectively solves the problems of thawing frozen garbage in winter and insulation at the bottom of the garbage pool, improves the efficiency of garbage fermentation, and does not increase the moisture content of fresh garbage, has high heat input and adjustable, has a long device life and is convenient to maintain.
Smart Images
Figure CN222210766U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of garbage disposal, and more specifically to a combined heating device for a garbage pool in winter. Background Art
[0002] With the acceleration of my country's urbanization process and the improvement of people's living standards, the disposal of urban garbage has become a serious problem facing the urbanization process and economic development.
[0003] In cold seasons, such as winter in the north, the temperature of garbage in the garbage pool is very low, and even contains ice water, resulting in poor garbage fermentation effect and poor combustion conditions in winter. The original steam heating pipeline cannot meet the garbage fermentation conditions. In order to increase the temperature of the garbage pool and promote garbage fermentation, the garbage pool needs to be modified. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a combined heating device for a garbage pool in winter to solve the problems in the background technology.
[0005] In order to solve the above technical problems, the technical solutions adopted by the present utility model are as follows.
[0006] A combined heating device for a garbage pool in winter comprises a garbage pool with an inclined bottom, a liquid collecting tank for containing leachate in the garbage being arranged on the lower side of the garbage pool; a plurality of temperature sensors for detecting temperature are arranged in the garbage pool, and the output ends of the temperature sensors are connected to a PLC controller; the liquid collecting tank is connected to a liquid outlet pipe, and a liquid delivery pump is arranged on the liquid outlet pipe; the liquid outlet pipe is connected to a first heat exchanger, the first heat exchanger is connected to high-temperature flue gas through a pipeline, and the smoke outlet of the first heat exchanger is connected to a first smoke exhaust pipe; the outlet of the first heat exchanger is connected to a liquid spray pipe, and the other end of the liquid spray pipe is connected to a nozzle arranged above the garbage pool , and a liquid injection valve is provided on the liquid injection pipe; several layers of coils are provided in the garbage pool, and the water inlet of the coils is connected to the third heat exchanger; the water inlet of the third heat exchanger is connected to a water source, and the third heat exchanger is connected to the high-temperature flue gas through a pipeline, and the flue gas outlet is connected to the second smoke exhaust pipe; the high-temperature flue gas is connected to the second heat exchanger, and the smoke outlet of the second heat exchanger is connected to the first smoke exhaust port; the second heat exchanger is connected to an air outlet box arranged on the side wall of the garbage pool through a pipeline, and the air inlet of the second heat exchanger is connected to the fan; the output end of the PLC controller is connected to the first heat exchanger, the second heat exchanger, the third heat exchanger, the fan, and the liquid delivery pump.
[0007] Further optimizing the technical solution, the inclination angle of the bottom of the garbage pool is 1 ° -3 ° , and a filter screen is arranged between the garbage pool and the liquid collecting tank.
[0008] To further optimize the technical solution, two nozzles are provided and the nozzles are evenly arranged above the garbage pool.
[0009] To further optimize the technical solution, two temperature sensors are provided, one temperature sensor is provided on the side wall of the garbage pool opposite to the air outlet box, and the other is provided on the side wall of the garbage pool opposite to the liquid collecting tank.
[0010] To further optimize the technical solution, the coil is arranged in three layers, the distances between the three layers increase successively from bottom to top, and the lower layer is arranged on the bottom end surface of the garbage pool.
[0011] To further optimize the technical solution, a first solenoid valve, a second solenoid valve and a third solenoid valve are respectively provided on the pipelines between the high-temperature flue gas and the first heat exchanger, the second heat exchanger and the third heat exchanger, and the first solenoid valve, the second solenoid valve and the third solenoid valve are connected to a PLC controller.
[0012] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.
[0013] The utility model provides a combined heating device for a garbage pool in winter, which heats the middle and lower parts of the garbage by setting a coil, and sets hot air flow on the side wall of the garbage pool to heat the garbage in the garbage pool. At the same time, the leachate in the garbage pool is heated and sprayed into the garbage pool to prevent the leachate from accumulating and freezing at the bottom, thus solving the problem of thawing frozen garbage in winter and keeping the bottom of the garbage pool warm. The utility model has the characteristics of not increasing the moisture content of fresh garbage, high input heat, adjustable input heat, long service life of the heating device, and convenient repair and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 It is a structural schematic diagram of the garbage pool in the utility model;
[0016] Among them: 1. garbage pool, 2. liquid outlet pipe, 3. liquid delivery pump, 4. first heat exchanger, 5. second heat exchanger, 6. third heat exchanger, 7. coil, 8. temperature sensor, 9. liquid spray pipe, 10. liquid spray valve, 11. fan, 12. first solenoid valve, 13. second solenoid valve, 14. third solenoid valve, 15. water source, 17. first smoke exhaust pipe, 20. second smoke exhaust pipe, 21. high-temperature flue gas, 22. liquid collecting tank, 23. air outlet box, 24. nozzle. DETAILED DESCRIPTION
[0017] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0018] Combined heating device for garbage pool in winter, combined Figure 1 to Figure 2 As shown, it includes a garbage pool 1, a liquid outlet pipe 2, a liquid delivery pump 3, a first heat exchanger 4, a second heat exchanger 5, a third heat exchanger 6, a coil 7, a temperature sensor 8, a liquid spray pipe 9, a liquid spray valve 10, a fan 11, a first solenoid valve 12, a second solenoid valve 13, a third solenoid valve 14, a water source 15, a first smoke exhaust pipe 17, a second smoke exhaust pipe 20, high-temperature smoke 21, a liquid collecting tank 22, an air outlet box 23, and a nozzle 24.
[0019] The bottom of the garbage pool 1 is inclined, and a liquid collecting tank 22 is arranged on the lower side of the garbage pool 1. The liquid collecting tank 22 is used to contain the leachate in the garbage. The inclination angle of the bottom of the garbage pool 1 is 1 ° -3 ° , and a filter screen is arranged between the garbage pool 1 and the liquid collecting tank 22.
[0020] A temperature sensor 8 for detecting temperature is arranged in the garbage pool 1, and an output end of the temperature sensor 8 is connected to a PLC controller. Two temperature sensors 8 are arranged, one temperature sensor 8 is arranged on the side wall of the garbage pool 1 opposite to the air outlet box 23, and the other is arranged on the side wall of the garbage pool 1 opposite to the liquid collecting tank 22.
[0021] The liquid collecting tank 22 is connected to a liquid outlet pipe 2, a liquid delivery pump 3 is arranged on the liquid outlet pipe 2, the liquid outlet pipe 2 is connected to the first heat exchanger 4, the first heat exchanger 4 is connected to the high-temperature flue gas 21 through a pipeline, and the smoke outlet of the first exhaust pipe is connected to the first exhaust pipe. The outlet of the first heat exchanger 4 is connected to a liquid spray pipe 9, and a liquid spray valve 10 is arranged on the liquid spray pipe 9; the other end of the liquid spray pipe 9 is connected to a nozzle 24 arranged above the garbage pool 1, and two nozzles 24 are arranged, and the nozzles 24 are evenly arranged above the garbage pool 1.
[0022] Several layers of coils 7 are arranged in the garbage pool 1, the water inlet of the coil 7 is connected to the third heat exchanger 6, the water inlet of the third heat exchanger 6 is connected to the water source 15, and the third heat exchanger 6 is connected to the high-temperature flue gas 21 through a pipeline, and the flue gas outlet is connected to the second exhaust pipe 20. The coil 7 is arranged in three layers, and the distance between the three layers increases from bottom to top, and the lower layer is arranged on the bottom end surface of the garbage pool 1.
[0023] The high-temperature flue gas 21 is connected to the second heat exchanger 5, and the flue gas outlet of the second heat exchanger 5 is connected to the first smoke exhaust port; the second heat exchanger 5 is connected to the air outlet box 23 arranged on the side wall of the garbage pool 1 through a pipeline, and the air inlet of the second heat exchanger 5 is connected to the fan 11.
[0024] The first solenoid valve 12, the second solenoid valve 13, and the third solenoid valve 14 are respectively arranged on the pipelines between the high-temperature flue gas 21 and the first heat exchanger 4, the second heat exchanger 5, and the third heat exchanger 6, and the first solenoid valve 12, the second solenoid valve 13, and the third solenoid valve 14 are connected to the PLC controller. The output end of the PLC controller is connected to the first heat exchanger 4, the second heat exchanger 5, the third heat exchanger 6, the fan 11, and the liquid delivery pump 3.
[0025] When the utility model is actually used, the high-temperature flue gas 21 generated by the burning of garbage in the incinerator of the garbage treatment plant contains huge energy, and the high-temperature flue gas 21 is used as the heat source of the device. The high-temperature flue gas 21 heats the leachate in the garbage pool 1 through the first heat exchanger 4, and sprays the high-temperature leachate into the garbage pool 1 through the nozzle 24 to heat the garbage in the garbage pool 1; the high-temperature flue gas 21 heats the air through the second heat exchanger 5, and the hot air flows into the garbage pool 1 through the air outlet box 23 to heat the garbage; the flue gas temperature is reduced after heat exchange through the first heat exchanger 4 and the second heat exchanger 5, and is discharged through the exhaust pipe. At the same time, the high-temperature flue gas 21 heats the water source 15 through the third heat exchanger 6, and the hot water dissipates heat to the garbage in the garbage pool 1 in the coil 7 to heat the garbage. During this period, the temperature sensor 8 detects the temperature in the garbage pool 1 in real time and sends the data to the PLC controller, which adjusts the opening sizes of the first solenoid valve 12, the second solenoid valve 13, and the third solenoid valve 14.
Claims
1. A combined heating device for a garbage pool in winter, characterized by: The invention comprises a garbage pool (1) with an inclined bottom, wherein a liquid collecting tank (22) for containing leachate in the garbage is arranged on the lower side of the garbage pool (1); a plurality of temperature sensors (8) for detecting temperature are arranged in the garbage pool (1), and the output end of the temperature sensor (8) is connected to a PLC controller; the liquid collecting tank (22) is connected to a liquid outlet pipe (2), and a liquid delivery pump (3) is arranged on the liquid outlet pipe (2); the liquid outlet pipe (2) is connected to a first heat exchanger (4), and the first heat exchanger (4) is connected to high-temperature flue gas (21) through a pipeline, and the smoke outlet of the first heat exchanger (4) is connected to a first smoke exhaust pipe (17); the outlet of the first heat exchanger (4) is connected to a liquid spray pipe (9), and the other end of the liquid spray pipe (9) is connected to a nozzle (24) arranged above the garbage pool (1), and a spray nozzle (24) is arranged on the liquid spray pipe (9). A liquid valve (10); a plurality of layers of coils (7) are arranged in the garbage pool (1); the water inlet of the coils (7) is connected to the third heat exchanger (6); the water inlet of the third heat exchanger (6) is connected to a water source (15), and the third heat exchanger (6) is connected to the high-temperature flue gas (21) through a pipeline, and the flue gas outlet is connected to the second flue gas exhaust pipe (20); the high-temperature flue gas (21) is connected to the second heat exchanger (5), and the flue gas outlet of the second heat exchanger (5) is connected to the first flue gas exhaust port; the second heat exchanger (5) is connected to an air outlet box (23) arranged on the side wall of the garbage pool (1) through a pipeline, and the air inlet of the second heat exchanger (5) is connected to the fan (11); the output end of the PLC controller is connected to the first heat exchanger (4), the second heat exchanger (5), the third heat exchanger (6), the fan (11), and the liquid delivery pump (3).
2. The winter combined heating device for garbage pool according to claim 1 is characterized by: The inclination angle of the bottom of the garbage pool is 1°-3°, and a filter screen is arranged between the garbage pool (1) and the liquid collecting tank (22).
3. The garbage pool winter combined heating device according to claim 1 is characterized by: Two nozzles (24) are provided, and the nozzles (24) are evenly arranged above the garbage pool (1).
4. The winter combined heating device for garbage pool according to claim 1 is characterized by: Two temperature sensors (8) are provided, one temperature sensor (8) is provided on the side wall of the garbage pool (1) opposite to the air outlet box (23), and the other temperature sensor (8) is provided on the side wall of the garbage pool (1) opposite to the liquid collecting tank (22).
5. The winter combined heating device for garbage pool according to claim 1 is characterized by: The coil (7) is provided with three layers, the distances between the three layers increase successively from bottom to top, and the lower layer is provided on the bottom end surface of the garbage pool (1).
6. The garbage pool winter combined heating device according to claim 1 is characterized by: A first solenoid valve (12), a second solenoid valve (13), and a third solenoid valve (14) are respectively arranged on the pipelines between the high-temperature flue gas (21) and the first heat exchanger (4), the second heat exchanger (5), and the third heat exchanger (6), and the first solenoid valve (12), the second solenoid valve (13), and the third solenoid valve (14) are connected to a PLC controller.