An environmentally friendly garbage incinerator with waste heat recovery function

Abstract

The utility model relates to the field of energy recovery, and discloses an environmentally friendly garbage incinerator with waste heat recovery and utilization function, including a base, a condensation structure is arranged on the upper end surface of the base, a recovery structure is arranged on the upper end surface of the base located at the front end of the condensation structure, an incinerator is arranged on the side close to the recovery structure, and a cleaning structure is arranged at the lower end of the recovery structure. In the utility model, by setting the recovery structure, impurities and harmful substances in the flue gas can be filtered and purified, the heat in the flue gas is absorbed by the moisture in the boiler, thereby realizing heat exchange treatment, collecting and recovering the heat in the flue gas, and the condensation structure condenses the water vapor generated in the recovery structure, which can be directly used for energy supply on the one hand, and condensed into condensed water for recycling on the other hand.

Description

Technical Field

[0001] The utility model relates to the field of energy recovery, in particular to an environmentally friendly garbage incinerator with a waste heat recovery and utilization function. Background Art

[0002] The waste incineration station mainly burns waste and can use the heat to generate electricity or utilize energy in other ways. On the one hand, it can process waste and on the other hand, it can provide energy utilization. The waste incinerator is generally composed of a combustion furnace, a furnace, cooling equipment, and an exhaust gas purifier. During the incineration process, the waste enters the furnace after pretreatment, and the temperature here is usually above 800°C. The exhaust gas after combustion is introduced into the purification equipment, and the pollutants in the exhaust gas are purified through various chemical and physical reactions.

[0003] However, the existing waste incinerators still have some shortcomings and areas for improvement in actual use. Although the existing technology collects and converts waste heat for utilization, the flue gas from the incinerator contains a large amount of waste slag and harmful gases in addition to waste heat. If there is no proper treatment method, it will cause serious environmental pollution. Therefore, technicians in this field provide an environmentally friendly waste incinerator with waste heat recovery and utilization function to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose an environmentally friendly garbage incinerator with waste heat recovery function. By setting a recovery structure, it is possible to filter and purify impurities and harmful substances in the flue gas. The heat in the flue gas is absorbed by the moisture in the boiler, thereby realizing heat exchange treatment, collecting and recovering the heat in the flue gas. The condensation structure condenses the water vapor generated in the recovery structure, which can be used directly for energy supply on the one hand, and condensed into condensed water for recycling on the other hand. In addition, the cleaning structure is set to collect and process the filtered dust and impurities, which is convenient for unified cleaning and treatment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an environmentally friendly garbage incinerator with waste heat recovery and utilization function, comprising a base, a condensation structure is arranged on the upper end surface of the base, a recovery structure is arranged on the upper end surface of the base located at the front end of the condensation structure, an incinerator is arranged on one side close to the recovery structure, and a cleaning structure is arranged at the lower end of the recovery structure;

[0006] Through the above technical scheme, by setting up a recovery structure, it is possible to filter and purify impurities and harmful substances in the flue gas, and the heat in the flue gas is absorbed by the moisture in the boiler, thereby realizing heat exchange processing, collecting and recovering the heat in the flue gas. The condensation structure condenses the water vapor generated in the recovery structure, which can be used directly for energy supply on the one hand, and condensed into condensed water for recycling on the other hand. In addition, the cleaning structure is set up to collect and process the filtered dust and impurities, which is convenient for unified cleaning and processing.

[0007] Further, the condensation structure includes a reaction chamber, condensation plates are respectively arranged at the center of the two side walls of the reaction chamber, one side of the two condensation plates respectively penetrates the two side walls of the reaction chamber and respectively leads to the interior, four support columns are fixedly connected to the lower end of the reaction chamber, the lower ends of the four support columns are respectively fixedly connected to the upper end surface of the base, a main steam pipe is arranged at the center of the rear side wall of the reaction chamber, the lower end of the main steam pipe is connected to a steam distribution pipe, and the front end of the main steam pipe penetrates the rear side wall of the reaction chamber and leads to the interior;

[0008] Through the above technical solution, when in use, the water vapor transmitted through the recovery structure is quickly condensed under the action of the condensation plate, the temperature of the water vapor is reduced to produce a large amount of condensed water, part of the flue gas is discharged and energy-processed through the main steam pipe, and the generated condensed water is circulated into the recovery structure by the water pump for reuse.

[0009] Further, the recovery structure includes a boiler, a water inlet pipe is arranged at one side of the center of the upper end face of the boiler, a water softener is arranged on the side wall of the water inlet pipe, the lower end of the water inlet pipe passes through the upper end face of the boiler and leads to the interior, a U-shaped tube is arranged inside the boiler, both ends of the U-shaped tube respectively pass through the upper inner wall of the boiler and lead to the upper end respectively, a liquid spraying pipe is arranged on the side wall close to the U-shaped tube, a liquid storage tank is arranged at the center of the upper end face of the liquid spraying pipe, both ends of the liquid spraying pipe respectively pass through one side wall of the U-shaped tube and the side wall of the incinerator, a slag outlet is arranged at the center of the lower inner wall of the U-shaped tube, the slag outlet passes through the lower inner wall of the U-shaped tube and leads to the lower end, baffles are connected to the two inner side walls of the slag outlet respectively through torsion springs, a filter screen is arranged on the inner side wall of the U-shaped tube close to the slag outlet, and a defoaming net is arranged inside the boiler;

[0010] Through the above technical scheme, water in the boiler is injected through the water inlet pipe during use, and the water quality is treated by the water softener to avoid the generation of a large amount of scale inside during use. At the same time, urea solution is sprayed into the spray pipe to react with nitrogen oxides in the flue gas to perform SNCR denitrification, so that the nitrogen oxides are reduced to nitrogen, reducing pollution to the environment. The dust and impurities contained in the flue gas are filtered by the filter and discharged uniformly through the slag outlet. At the same time, the heat in the flue gas is absorbed by the moisture in the boiler, and the generated water vapor is transmitted to the condensation structure.

[0011] Further, the cleaning structure includes a material storage basket, the material storage basket is fixedly connected to the lower end surface of the boiler, a blower is arranged near one side of the material storage basket, exhaust pipes are arranged at the center of the two side walls of the material storage basket, the exhaust pipe on one side is connected to the air outlet of the blower, and a slag discharge valve is arranged on the side wall of the exhaust pipe on the other side;

[0012] Through the above technical solution, the impurities and dirt filtered in the U-tube are collected by the storage basket, and then the dust and dirt inside the storage basket are discharged through the cooperation of the blower and the slag discharge valve.

[0013] Furthermore, the condensation structure and the recovery structure are connected through a return pipe;

[0014] Through the above technical solution, it is possible to transport the water vapor in the recovery structure to the condensation structure.

[0015] Furthermore, a drainage pipe is provided at the lower end of the center of one side wall of the boiler;

[0016] Through the above technical solution, it is possible to discharge the internal sewage and water containing a large amount of scale, which is convenient for use during cleaning.

[0017] Furthermore, a connecting pipe is provided between the condensing structure and the recovery structure, and a water pump is provided on the side wall of the connecting pipe;

[0018] Through the above technical solution, the condensed water in the condensation structure is transported to the recovery structure again through the water pump.

[0019] The utility model has the following beneficial effects:

[0020] 1. In the utility model, by setting up a recovery structure, impurities and harmful substances in the flue gas can be filtered and purified, and the heat in the flue gas is absorbed by the moisture in the boiler, thereby realizing heat exchange processing and collecting and recovering the heat in the flue gas.

[0021] 2. In the utility model, the condensation structure condenses the water vapor generated in the recovery structure, which can be directly used for energy supply on the one hand, and condensed into condensed water for recycling on the other hand.

[0022] 3. In the utility model, by setting up a cleaning structure, the filtered dust and impurities can be collected and processed, which is convenient for unified cleaning and processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is an isometric view of an environmentally friendly garbage incinerator with waste heat recovery function proposed by the utility model;

[0024] Figure 2 This is a front view of an environmentally friendly garbage incinerator with waste heat recovery function proposed by the utility model;

[0025] Figure 3 This is a side view of an environmentally friendly garbage incinerator with waste heat recovery function proposed by the utility model;

[0026] Figure 4 This is a front cross-sectional view of an environmentally friendly garbage incinerator with waste heat recovery and utilization function proposed by the utility model;

[0027] Figure 5 This is a top sectional view of a baffle in an environmentally friendly garbage incinerator with waste heat recovery function proposed by the utility model.

[0028] Legend:

[0029] 1. Base; 2. Steam distribution pipe; 3. Main steam pipe; 4. Reaction chamber; 5. Condensation plate; 6. Return pipe; 7. Liquid storage tank; 8. Liquid spray pipe; 9. Incinerator; 10. Blower; 11. Exhaust pipe; 12. Water inlet pipe; 13. Boiler; 14. Water softener; 15. Water pump; 16. Support column; 17. U-shaped pipe; 18. Slag discharge valve; 19. Storage basket; 20. Drain pipe; 21. Filter screen; 22. Baffle; 23. Slag outlet; 24. Torsion spring; 25. Defoaming net; 26. Connecting pipe. DETAILED DESCRIPTION

[0030] 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.

[0031] Reference Figure 1-5The utility model provides an embodiment: an environmentally friendly garbage incinerator with waste heat recovery function, including a base 1, a condensation structure is arranged on the upper end surface of the base 1, a recovery structure is arranged on the upper end surface of the base 1 at the front end of the condensation structure, an incinerator 9 is arranged on the side close to the recovery structure, and a cleaning structure is arranged at the lower end of the recovery structure.

[0032] The condensation structure includes a reaction chamber 4, and condensation plates 5 are respectively arranged at the center of the two side walls of the reaction chamber 4. One side of the two condensation plates 5 passes through the two side walls of the reaction chamber 4 and passes to the interior respectively. Four support columns 16 are fixedly connected to the lower end of the reaction chamber 4, and the lower ends of the four support columns 16 are respectively fixedly connected to the upper end surface of the base 1. A main steam pipe 3 is arranged at the center of the rear side wall of the reaction chamber 4. The lower end of the main steam pipe 3 is connected to the steam separation pipe 2. The front end of the main steam pipe 3 passes through the rear side wall of the reaction chamber 4 and passes to the interior. When in use, the water vapor transmitted through the recovery structure is quickly condensed by the condensation plate 5, and the temperature of the water vapor is reduced to generate a large amount of condensed water. Part of the flue gas is discharged and energy-processed through the main steam pipe 3, and the generated condensed water is circulated into the recovery structure by the water pump 15 for reuse.

[0033] The recovery structure includes a boiler 13, a water inlet pipe 12 is arranged at one side of the center of the upper end face of the boiler 13, a water softener 14 is arranged on the side wall of the water inlet pipe 12, the lower end of the water inlet pipe 12 penetrates the upper end face of the boiler 13 and passes to the inside, a U-shaped pipe 17 is arranged inside the boiler 13, both ends of the U-shaped pipe 17 respectively penetrate the upper inner wall of the boiler 13 and pass to the upper end respectively, a liquid spray pipe 8 is arranged on the side wall close to the U-shaped pipe 17, a liquid storage tank 7 is arranged at the center of the upper end face of the liquid spray pipe 8, both ends of the liquid spray pipe 8 respectively penetrate one side wall of the U-shaped pipe 17 and the side wall of the incinerator 9, a slag outlet 23 is arranged at the center of the lower inner wall of the U-shaped pipe 17, the slag outlet 23 penetrates the lower inner wall of the U-shaped pipe 17 and passes to the lower end, and the two inner side walls of the slag outlet 23 are provided with a liquid storage tank 7. The baffles 22 are connected respectively through torsion springs 24, and a filter screen 21 is arranged on the inner wall of the U-shaped tube 17 near the slag outlet 23. A defoaming net 25 is arranged inside the boiler 13. When in use, water in the boiler 13 is injected through the water inlet pipe 12, and the water quality is treated by the water softener 14 to avoid a large amount of scale generated inside during use. At the same time, urea solution is sprayed into the liquid spray pipe 8 to react with nitrogen oxides in the flue gas to perform SNCR denitrification, so that the nitrogen oxides are reduced to nitrogen, reducing pollution to the environment, and the dust and impurities contained in the flue gas are filtered by the filter screen 21 and discharged through the slag outlet 23. At the same time, the heat in the flue gas is absorbed by the moisture in the boiler 13, and the generated water vapor is transmitted to the condensation structure.

[0034] The cleaning structure includes a storage basket 19, which is fixedly connected to the lower end surface of the boiler 13. A blower 10 is arranged near one side of the storage basket 19. Exhaust pipes 11 are respectively arranged at the center of the two side walls of the storage basket 19. The exhaust pipe 11 on one side is connected to the air outlet of the blower 10, and a slag discharge valve 18 is arranged on the side wall of the exhaust pipe 11 on the other side. The impurities and dirt filtered in the U-shaped tube 17 are collected by the storage basket 19, and then the dust and dirt inside the storage basket 19 are discharged and processed through the blower 10 and the slag discharge valve 18. The condensation structure and the recovery structure are connected through the return pipe 6. A drain pipe 20 is arranged at the lower end of the center of one side wall of the boiler 13. A connecting pipe 26 is arranged between the condensation structure and the recovery structure, and a water pump 15 is arranged on the side wall of the connecting pipe 26.

[0035] Working principle: The utility model is an environmentally friendly garbage incinerator with waste heat recovery function. When in use, water in the boiler 13 is injected through the water inlet pipe 12, and the water quality is treated by the water softener 14 to avoid a large amount of scale generated inside during use. At the same time, urea solution is sprayed into the liquid spray pipe 8 to react with nitrogen oxides in the flue gas to perform SNCR denitrification, so that nitrogen oxides are reduced to nitrogen, reducing pollution to the environment. The dust and impurities contained in the flue gas are filtered by the filter screen 21 and discharged uniformly through the slag outlet 23. At the same time, the heat in the flue gas is removed by the boiler. The moisture in the furnace 13 is absorbed, and the generated water vapor is transmitted to the condensation structure. The water vapor transmitted from the recovery structure is quickly condensed by the condensation plate 5, and the temperature of the water vapor is reduced to produce a large amount of condensed water. Part of the flue gas is discharged and energy-processed through the main steam pipe 3. The generated condensed water is circulated into the recovery structure by the water pump 15 for reuse. The impurities and dirt filtered in the U-tube 17 are collected by the storage basket 19, and then the dust and dirt inside the storage basket 19 are discharged through the blower 10 and the slag discharge valve 18.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An environmentally friendly waste incinerator with waste heat recovery function, comprising a base (1), characterized in that: A condensation structure is provided on the upper end surface of the base (1), a recovery structure is provided on the upper end surface of the base (1) at the front end of the condensation structure, an incinerator (9) is provided on the side close to the recovery structure, and a cleaning structure is provided at the lower end of the recovery structure.

2. The environmentally friendly waste incinerator with waste heat recovery function according to claim 1 is characterized in that: The condensation structure comprises a reaction chamber (4), condensation plates (5) are respectively arranged at the center of the two side walls of the reaction chamber (4), one side of the two condensation plates (5) respectively penetrates the two side walls of the reaction chamber (4) and respectively leads to the interior, the lower end of the reaction chamber (4) is fixedly connected to four support columns (16), the lower ends of the four support columns (16) are respectively fixedly connected to the upper end surface of the base (1), a main steam pipe (3) is arranged at the center of the rear side wall of the reaction chamber (4), the lower end of the main steam pipe (3) is connected to the steam distribution pipe (2), and the front end of the main steam pipe (3) penetrates the rear side wall of the reaction chamber (4) and leads to the interior.

3. The environmentally friendly waste incinerator with waste heat recovery function according to claim 1 is characterized in that: The recovery structure comprises a boiler (13), a water inlet pipe (12) is arranged at one side of the center of the upper end surface of the boiler (13), a water softener (14) is arranged on the side wall of the water inlet pipe (12), the lower end of the water inlet pipe (12) penetrates the upper end surface of the boiler (13) and leads to the inside, a U-shaped pipe (17) is arranged inside the boiler (13), the two ends of the U-shaped pipe (17) respectively penetrate the upper inner wall of the boiler (13) and lead to the upper end respectively, a liquid injection pipe (8) is arranged on the side wall close to the U-shaped pipe (17), and a liquid injection pipe (8) is arranged at the center of the upper end surface of the liquid injection pipe (8). A liquid storage tank (7) is provided, and the two ends of the liquid spray pipe (8) respectively penetrate a side wall of a U-shaped tube (17) and a side wall of an incinerator (9), and a slag outlet (23) is provided at the center of the lower inner wall of the U-shaped tube (17). The slag outlet (23) penetrates the lower inner wall of the U-shaped tube (17) and leads to the lower end. Baffles (22) are connected to the two inner walls of the slag outlet (23) via torsion springs (24), and a filter screen (21) is provided on the inner wall of the U-shaped tube (17) near the slag outlet (23). A defoaming net (25) is provided inside the boiler (13).

4. The environmentally friendly waste incinerator with waste heat recovery function according to claim 1 is characterized in that: The cleaning structure comprises a material storage basket (19), wherein the material storage basket (19) is fixedly connected to the lower end surface of the boiler (13), a blower (10) is arranged near one side of the material storage basket (19), exhaust pipes (11) are arranged at the center of two side walls of the material storage basket (19), the exhaust pipe (11) on one side is connected to the air outlet of the blower (10), and a slag discharge valve (18) is arranged on the side wall of the exhaust pipe (11) on the other side.

5. The environmentally friendly waste incinerator with waste heat recovery function according to claim 1 is characterized in that: The condensation structure and the recovery structure are connected through a return water pipe (6).

6. The environmentally friendly waste incinerator with waste heat recovery function according to claim 3 is characterized in that: A drainage pipe (20) is provided at the lower end of the center of one side wall of the boiler (13).

7. The environmentally friendly waste incinerator with waste heat recovery function according to claim 1 is characterized in that: A connecting pipe (26) is provided between the condensation structure and the recovery structure, and a water pump (15) is provided on the side wall of the connecting pipe (26).

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