Environment-friendly incinerator with waste gas waste heat utilization function

Abstract

The utility model relates to the technical field of incinerators, in particular to an environment-friendly incinerator with a waste gas waste heat utilization function, which comprises an incinerator body, a screen plate is mounted on the inner side of the incinerator body, a feed port is mounted on the top surface of the incinerator body, an air inlet pipe is mounted on the right side wall of the incinerator body, and the middle section of the air inlet pipe is connected with an air blower. The furnace body is provided with an exhaust device, the exhaust device comprises an exhaust pipe, the exhaust pipe is fixedly connected to the upper end of the right side wall of the furnace body, the end part of the exhaust pipe is fixedly connected with a heat conduction pipe, the end part of the heat conduction pipe is fixedly connected with a connecting pipe, and the middle part of the connecting pipe is connected with a desulfurization dust remover and an activated carbon catcher. The heat conduction pipe is arranged between the exhaust pipe and the connecting pipe and located in the air inlet pipe, air circulating in the air inlet pipe can be heated, the furnace body can be heated, the combustion efficiency of the device is improved, waste heat of waste gas is utilized, and the energy-saving effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of incinerators, in particular to an environmentally friendly incinerator with the function of utilizing waste gas waste heat. Background Art

[0002] An incinerator is a harmless treatment equipment commonly used in the harmless treatment of medical and domestic waste and animals. Its principle is to utilize the combustion of fuels such as coal, oil, and gas to incinerate and carbonize the objects to be treated at high temperatures to achieve the purpose of disinfection.

[0003] In this regard, China applied for patent number: CN202020411599.9, which discloses an environmentally friendly incinerator, including an incinerator main body, a partition is arranged in the middle of the incinerator main body, the partition divides the incinerator main body into an incineration chamber and a slag ash storage chamber from top to bottom, an insulating sleeve is rotatably connected to the center of the partition, a plurality of stirring blades are arranged on the outside of the insulating sleeve, the upper part of the insulating sleeve is rotatably connected to the top of the incinerator main body, a limit plate is symmetrically arranged in the middle of the insulating sleeve, the limit plate is connected to a connecting spring, the other end of the connecting spring is connected to a pressure plate, the pressure plate and a T-shaped block are tightly fitted, the T-shaped block is connected to the outside of the end of a rotating connecting rod, and the top of the rotating connecting rod is connected to a fixed handle; when incinerating materials, the materials inside the incinerator main body are stirred by the blowing of the blower and the rotation of the insulating sleeve through the stirring blades, thereby avoiding the incineration of materials due to backlog of materials and insufficient incineration of materials. In this way, the incineration effect of the materials is improved.

[0004] The incinerator can transport air into the main body through the air inlet pipe and discharge the exhaust gas through the air outlet pipe. However, in actual use, the exhaust gas discharged through the air outlet pipe still contains a large amount of heat. If the exhaust gas is directly discharged, the waste heat cannot be effectively utilized, resulting in a waste of heat resources. Utility Model Content

[0005] The purpose of the utility model is to provide an environmentally friendly incinerator with the function of utilizing waste heat from exhaust gas, so as to at least solve the problem that the incinerator in the prior art mentioned in the above background technology can transport air into the main body through the air inlet pipe and discharge the exhaust gas through the air outlet pipe, but in actual use, the exhaust gas discharged through the air outlet pipe still contains a large amount of heat, and the exhaust gas is directly discharged, and the waste heat cannot be effectively utilized, resulting in a waste of heat resources.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An environmentally friendly incinerator with waste gas waste heat utilization function, comprising a furnace body, a mesh plate fixedly installed at the bottom of the furnace body, a feed port installed on the top surface of the furnace body, an air inlet pipe installed on the side wall of the furnace body, the air inlet pipe connected to the air inlet in the furnace body is located above the mesh plate, and a blower is installed at the air inlet of the air inlet pipe; an exhaust device is installed on the furnace body, and the exhaust device includes an exhaust pipe, a heat conduction pipe, a connecting pipe, a desulfurization dust collector and an activated carbon catcher; the exhaust pipe is fixedly connected to the Connected to the upper end of the side wall of the furnace body, one end of the exhaust pipe is connected to the upper part of the interior of the furnace body, and the other end of the exhaust pipe is connected to the interior of one end of the air inlet pipe close to the furnace body. The end of the exhaust pipe located in the air inlet pipe is fixedly connected to a heat conduction pipe, and the heat conduction pipe is located in the air inlet pipe. The end of the heat conduction pipe away from the exhaust pipe is fixedly connected to a connecting pipe, and the connecting pipe passes through the side wall of the air inlet pipe and extends to the outside of the furnace body. A desulfurization dust collector and an activated carbon collector are installed in sequence on the connecting pipe.

[0008] As a further technical solution of the utility model: a stirring mechanism is also arranged in the furnace body, and the stirring mechanism includes a motor, a hollow tube and a stirring blade; the motor is fixedly arranged on the top of the furnace body through a bracket, and the motor shaft is fixedly connected to the top of the hollow tube, and the hollow tube is rotatably arranged in the furnace body, and the stirring blade is fixedly arranged on the outer periphery of the hollow tube, and the stirring blade is located above the mesh plate.

[0009] As a further technical solution of the utility model: the hollow tube passes through the mesh plate and extends to below the mesh plate, and a scraper is fixedly connected to the bottom end of the hollow tube.

[0010] As a further technical solution of the utility model: the stirring mechanism also includes a combustion-supporting part, which includes a connecting cavity, a duct and an exhaust fan. The connecting cavity is fixedly arranged on the top of the furnace body, the motor shaft passes through the top of the connecting cavity, the top of the hollow tube passes through the bottom of the connecting cavity and is fixedly connected to the motor shaft through a plurality of spaced connecting strips, one end of the duct is connected to the interior of the connecting cavity, and the other end of the duct is connected to the air inlet pipe, and the exhaust fan is installed on the duct.

[0011] As a further technical solution of the utility model: a plurality of air ducts are evenly opened on the stirring blade, and the air ducts are connected with the interior of the hollow tube.

[0012] As a further technical solution of the utility model: the stirring blades are divided into two groups, and the air ducts of the two groups of stirring blades blow air in different directions respectively.

[0013] Compared with the prior art, the utility model has at least the following beneficial effects:

[0014] 1. The utility model arranges a heat conducting pipe between the exhaust pipe and the connecting pipe, and the heat conducting pipe is located in the air inlet pipe, which can preheat the air entering the furnace body through the air inlet pipe, improve the combustion efficiency of the incinerator, achieve the purpose of utilizing the waste heat of the exhaust gas, and achieve the effect of energy saving;

[0015] 2. The utility model is provided with a stirring mechanism. The motor can drive the hollow tube and the stirring blade to rotate. The rotation of the stirring blade can stir the material to avoid the backlog of the material. The waste residue after combustion can pass through the mesh plate and fall downward. The rotation of the hollow tube can drive the scraper to rotate. The scraper can flatten the waste residue accumulated at the bottom of the furnace body to avoid the waste residue from accumulating on the upper side of the mesh plate. At the same time, starting the exhaust fan can draw the air in the air inlet pipe into the connecting cavity through the duct. The air can be discharged from the surface of the stirring blade through the scraper, and the air can be transported to the inner side of the material pile to ensure the full combustion of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal structure of the connecting cavity of the utility model.

[0019] In the figure: 1. furnace body; 11. mesh plate; 12. feed port; 13. air inlet pipe; 14. blower; 2. exhaust device; 21. exhaust pipe; 22. heat transfer pipe; 23. connecting pipe; 24. desulfurization dust collector; 25. activated carbon catcher; 3. stirring mechanism; 31. hollow tube; 32. stirring blade; 33. scraper; 34. connecting cavity; 35. conduit; 36. exhaust fan; 37. motor. DETAILED DESCRIPTION

[0020] 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.

[0021] In the description of the present invention, it should be understood that the terms "up", "down", "left", "right", "front", "back", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation. Therefore, it should not be understood as a limitation on the present invention.

[0022] In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0023] See also Figure 1-3 As described, the embodiment of the utility model provides an environmentally friendly incinerator with the function of utilizing waste heat from waste gas, including a furnace body 1, a mesh plate 11 is fixedly installed at the bottom of the furnace body 1, a feed port 12 is installed on the top surface of the furnace body 1, and an air inlet pipe 13 is installed on the side wall of the furnace body 1. The air inlet pipe 13 is connected to the air inlet in the furnace body 1 and is located above the mesh plate 11. Materials are added to the furnace body 1 from the feed port 12 for incineration, and the burned waste residue can pass through the mesh plate 11 and fall downward. A blower 14 is installed at the air inlet of the air inlet pipe 13. During the incineration of materials in the furnace body 1, the blower 14 sends air from the air inlet into the furnace body 1 to improve the incineration efficiency.

[0024] See also Figure 1 As shown, in one embodiment, an exhaust device 2 is installed on the furnace body 1, and the exhaust device 2 can exhaust the exhaust gas generated by combustion in the furnace body 1 and utilize the residual heat of the exhaust gas. Figure 2 As shown, the exhaust device 2 includes an exhaust pipe 21, a heat pipe 22, a connecting pipe 23, a desulfurization dust collector 24 and an activated carbon catcher 25. The exhaust pipe 21 is fixedly connected to the upper end of the side wall of the furnace body 1, one end of the exhaust pipe 21 is connected to the upper part of the furnace body 1, and the other end of the exhaust pipe 21 is connected to the inside of the end of the air inlet pipe 13 close to the furnace body 1. The end of the exhaust pipe 21 located in the air inlet pipe 13 is fixedly connected to the heat pipe 22, the heat pipe 22 is located in the air inlet pipe 13, and the end of the heat pipe 22 away from the exhaust pipe 21 is fixedly connected to the connecting pipe 23, the connecting pipe 23 passes through the side wall of the air inlet pipe 13 and extends to the outside of the furnace body 1, and the desulfurization dust collector 24 and the activated carbon catcher 25 are installed on the connecting pipe 23 in sequence.

[0025] During specific use, the exhaust gas generated by combustion in the furnace body 1 passes through the exhaust pipe 21 and the heat conduction pipe 22 in sequence and is discharged from the connecting pipe 23. When the exhaust gas passes through the heat conduction pipe 22, the heat in the exhaust gas is transferred to the air in the air inlet pipe 13, so that the temperature of the air entering the furnace body 1 rises, which can improve the combustion efficiency. The exhaust gas in the connecting pipe 23 is purified by the desulfurization dust collector 24 and the activated carbon collector 25 before meeting the emission standards.

[0026] See also Figure 2As shown, in one embodiment, a stirring mechanism 3 is further provided in the furnace body 1, and the stirring mechanism 3 can stir the materials during the incineration process to prevent the materials from accumulating in the furnace body 1. The stirring mechanism 3 includes a motor 37, a hollow tube 31 and a stirring blade 32; the motor 37 is fixedly arranged on the top of the furnace body 1 through a bracket, the rotating shaft of the motor 37 is fixedly connected to the top of the hollow tube 31, the hollow tube 31 is rotatably arranged in the furnace body 1 through a bearing, and the stirring blade 32 is fixedly arranged on the outer periphery of the hollow tube 31, and the stirring blade 32 is located above the mesh plate 11.

[0027] During specific use, the motor 37 rotates to drive the hollow tube 31 to rotate synchronously, and the hollow tube 31 drives the stirring blade 32 to rotate, and the rotating stirring blade 32 stirs the material.

[0028] Furthermore, the hollow tube 31 passes through the mesh plate 11 and extends to the bottom of the mesh plate 11 . A scraper 33 is fixedly connected to the bottom of the hollow tube 31 . The scraper 33 can flatten the waste slag accumulated at the bottom of the furnace body 1 to prevent the waste slag from accumulating on the upper side of the mesh plate 11 .

[0029] See also Figure 2 , 3 As shown, in one embodiment, the stirring mechanism 3 also includes a combustion-supporting component, which can transport the air in the air inlet pipe 13 to the hollow tube 31 and discharge it from the surface of the stirring blade 32, and can transport the air to the inside of the material pile to ensure that the material is fully burned. The combustion-supporting component includes a connecting cavity 34, a conduit 35 and an exhaust fan 36. Figure 3 As shown, the connecting cavity 34 is fixedly arranged on the top of the furnace body 1, the rotating shaft of the motor 37 passes through the top of the connecting cavity 34, the top of the hollow tube 31 passes through the bottom of the connecting cavity 34 and is fixedly connected to the rotating shaft of the motor 37 through a plurality of spaced connecting strips, one end of the conduit 35 is connected to the interior of the connecting cavity 34, and the other end of the conduit 35 is connected to the air inlet pipe 13, and the exhaust fan 36 is installed on the conduit 35. Preferably, a plurality of air ducts are evenly opened on the stirring blade 32, and the air ducts are connected to the interior of the hollow tube 31.

[0030] During specific use, the exhaust fan 36 transports the air in the air inlet pipe 13 from the conduit 35 to the cavity in the connecting cavity 34, and enters the hollow tube 31 from the cavity. The air in the hollow tube 31 is discharged into the material through the air duct on the surface of the stirring blade 32.

[0031] It should be noted that the furnace body 1, mesh plate 11, feed port 12, air inlet pipe 13, blower 14, desulfurization dust collector 24, activated carbon capture device 25, exhaust fan 36 and motor 37 used in the present application are all products that can be directly purchased on the market, and their principles and connection methods are existing technologies well known to technicians in this field, so they will not be repeated here.

[0032] Working principle: Start the blower 14 to draw outside air into the furnace body 1 through the air inlet pipe 13, so that the inside of the furnace body 1 can burn fully. The flue gas generated during combustion can enter the heat pipe 22 through the exhaust pipe 21. The heat pipe 22 can heat the air flowing in the air inlet pipe 13, so that the temperature of the air entering the furnace body 1 rises, which can improve the combustion efficiency of the device and use the waste heat of the filtered gas to achieve energy-saving effects. Then the flue gas circulates in the connecting pipe 23 and can be purified by the desulfurization dust collector 24 and the activated carbon collector 25 to meet the emission standards.

[0033] Starting the motor 37 can drive the hollow tube 31 and the stirring blade 32 to rotate. The rotation of the stirring blade 32 can stir the material to avoid material backlog. The burned waste slag can pass through the mesh plate 11 and fall downward. The rotation of the hollow tube 31 can drive the scraper 33 to rotate. The scraper 33 can flatten the waste slag accumulated at the bottom of the furnace body 1 to avoid the waste slag from accumulating on the upper side of the mesh plate 11. At the same time, starting the exhaust fan 36 can draw the air in the air inlet pipe 13 into the connecting cavity 34 through the duct 35. The air can be discharged from the surface of the stirring blade 32 through the scraper 33, and the air can be transported to the inner side of the material pile to ensure that the material is fully burned.

[0034] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. An environmentally friendly incinerator with waste gas waste heat utilization function, comprising: A furnace body (1), wherein a mesh plate (11) is fixedly installed at the lower part of the furnace body (1), a feed port (12) is installed on the top surface of the furnace body (1), an air inlet pipe (13) is installed on the side wall of the furnace body (1), the air inlet pipe (13) is connected to the air inlet in the furnace body (1) and is located above the mesh plate (11), and a blower (14) is installed at the air inlet of the air inlet pipe (13); the characteristics are: An exhaust device (2) is installed on the furnace body (1), and the exhaust device (2) comprises an exhaust pipe (21), a heat conducting pipe (22), a connecting pipe (23), a desulfurization dust collector (24) and an activated carbon catcher (25); the exhaust pipe (21) is fixedly connected to the upper end of the side wall of the furnace body (1), one end of the exhaust pipe (21) is connected to the upper part of the interior of the furnace body (1), and the other end of the exhaust pipe (21) is connected to the interior of one end of the air inlet pipe (13) close to the furnace body (1). The end of the exhaust pipe (21) located inside the air inlet pipe (13) is fixedly connected to a heat conducting pipe (22), the heat conducting pipe (22) is located inside the air inlet pipe (13), the end of the heat conducting pipe (22) away from the exhaust pipe (21) is fixedly connected to a connecting pipe (23), the connecting pipe (23) passes through the side wall of the air inlet pipe (13) and extends to the outside of the furnace body (1), and a desulfurization dust collector (24) and an activated carbon trap (25) are sequentially installed on the connecting pipe (23).

2. The environmentally friendly incinerator with waste gas waste heat utilization function according to claim 1 is characterized in that: The furnace body (1) is also provided with a stirring mechanism (3), the stirring mechanism (3) comprising a motor (37), a hollow tube (31) and a stirring blade (32); the motor (37) is fixedly arranged on the top of the furnace body (1) via a bracket, the rotating shaft of the motor (37) is fixedly connected to the top of the hollow tube (31), the hollow tube (31) is rotatably arranged in the furnace body (1), the stirring blade (32) is fixedly arranged on the outer periphery of the hollow tube (31), and the stirring blade (32) is located above the mesh plate (11).

3. The environmentally friendly incinerator with waste gas waste heat utilization function according to claim 2 is characterized in that: The hollow tube (31) passes through the mesh plate (11) and extends to below the mesh plate (11), and a scraper (33) is fixedly connected to the bottom end of the hollow tube (31).

4. The environmentally friendly incinerator with waste gas waste heat utilization function according to claim 3 is characterized in that: The stirring mechanism (3) also includes a combustion-supporting component, which includes a connecting cavity (34), a conduit (35) and an exhaust fan (36); the connecting cavity (34) is fixedly arranged on the top of the furnace body (1); the rotating shaft of the motor (37) passes through the top of the connecting cavity (34); the top end of the hollow tube (31) passes through the bottom of the connecting cavity (34) and is fixedly connected to the rotating shaft of the motor (37) through a plurality of spaced connecting strips; one end of the conduit (35) is connected to the interior of the connecting cavity (34); the other end of the conduit (35) is connected to the air inlet pipe (13); and the exhaust fan (36) is installed on the conduit (35).

5. The environmentally friendly incinerator with waste gas waste heat utilization function according to claim 2 is characterized in that: A plurality of air ducts are evenly arranged on the stirring blade (32), and the air ducts are communicated with the interior of the hollow tube (31).

6. The environmentally friendly incinerator with waste gas waste heat utilization function according to claim 5 is characterized in that: The stirring blades (32) are in two groups, and the air ducts of the two groups of stirring blades (32) blow air in different directions.

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