Waste incineration horizontal flue ash bucket heater

Abstract

The utility model discloses a horizontal flue ash bucket heater for waste incineration, which relates to the technical field of flue heaters and comprises a flue body, an ash discharging bucket is arranged at the bottom end of the flue body, a smoke inlet is arranged at the top end of the flue body, and a sleeve-shaped component convenient to disassemble and overhaul is movably connected outside the flue body. According to the waste incineration horizontal flue ash bucket heater, by arranging the heating outer cover, the upper connecting flange, the lower connecting flange, the fixing bolts, the inner groove, the heat insulation cover, the heating pipe and the mounting hole, the fixing bolts are firstly detached from the interiors of the upper connecting flange and the lower connecting flange so that the whole heating outer cover can be conveniently taken out from the outside of the flue body; and then the heat insulation cover is detached from the inner groove in the flue body through the mounting hole, then the heating pipe in the heat insulation cover is maintained or replaced, finally, the two connecting flanges are fixed through the three fixing bolts so that the heating outer cover can be mounted, and the problem that the device does not have the function of being convenient to detach and mount is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flue heater, concretely is garbage incineration horizontal flue ash bucket heater. BACKGROUND

[0002] Garbage incineration is a process that makes garbage reduce volume through high-temperature oxidation by appropriate thermal decomposition, combustion, melting and other reactions, and becomes residue or molten solid material, which is a relatively old traditional method of treating garbage.

[0003] The main function of the garbage incineration horizontal flue ash bucket heater is to prevent smoke condensation from affecting the normal operation of the bag-type dust collector. During the garbage incineration process, the smoke needs to maintain a certain temperature to avoid the condensation and deposition of harmful substances, especially when the smoke passes through the dust collector. The heater can maintain the temperature of the smoke to ensure the flowability of the smoke in the bag-type dust collector, prevent the filter bag from condensing due to too low temperature, and thus affect the dust removal efficiency and the normal operation of the equipment. The main function of the garbage incineration horizontal flue ash bucket heater is to maintain the temperature of the smoke to meet the temperature requirements of the subsequent denitration system. It is usually located after the bag-type dust collector and is used to heat the smoke cooled by the dust collector to make it reach the optimal temperature range of the catalyst activity to ensure the denitration efficiency. However, there are some inconveniences in actual operation and there is room for improvement, such as the existing common horizontal flue ash bucket heater, which usually installs the heating pipe in the interior of the horizontal flue by bolts. Due to the limited space in the interior of the horizontal flue, the installation difficulty of the heating pipe is increased, and once the heating pipe is fixedly placed in the interior of the horizontal flue, it is difficult to disassemble, which requires a lot of manpower for reinstallation, maintenance and replacement, and does not have the function of convenient disassembly and installation.

[0004] Now, a new garbage incineration horizontal flue ash bucket heater is proposed to solve the above problems. Utility model content

[0005] The utility model aims at providing a garbage incineration horizontal flue ash bucket heater to solve the problem of not having the function of convenient disassembly and installation as mentioned in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a garbage incineration horizontal flue ash bucket heater, comprising a flue body, a bottom ash bucket is arranged at the bottom end of the flue body, a smoke inlet is arranged at the top end of the flue body, and a sleeve-shaped component for convenient disassembly and maintenance is movably connected to the outside of the flue body.

[0007] The sleeve-shaped assembly comprises a heating outer cover, which is movably connected to the outside of the smoke inlet, and the front end of the heating outer cover is provided with an upper connecting flange, the bottom end of the upper connecting flange is movably connected with a lower connecting flange, three groups of fixing bolts are movably connected between the upper connecting flange and the lower connecting flange, six groups of inner grooves are fixedly connected to the inside of the heating outer cover, a heat shield is movably connected to the inside of the inner groove, a heating pipe is arranged in the inside of the heat shield, and mounting holes are fixedly connected to the left and right sides of the heat shield.

[0008] As a further technical scheme of the present application, the shape and size of the upper connecting flange and the lower connecting flange are one-to-one corresponding, and the fixing bolts are arranged at equal intervals.

[0009] As a further technical scheme of the present application, the shape and size of the inside of the heat shield and the outside of the heating pipe are matched, the inner groove and the heat shield are closely combined, and the mounting hole and the flue body are movably connected.

[0010] As a further technical scheme of the present application, the heating pipes are arranged at equal intervals, and the horizontal center line of the heating outer cover and the horizontal center line of the flue body coincide.

[0011] As a further technical scheme of the present application, the top end of the ash hopper is provided with a smoke outlet, the bottom end of the smoke outlet is provided with a shell cover, the left and right sides of the shell cover are movably connected with supports, a positioning plate is inserted into the inside of the shell cover, and a turbine fan is arranged at the bottom end of the positioning plate.

[0012] As a further technical scheme of the present application, the vertical center lines of the smoke outlet and the ash hopper coincide, the shape and size of the shell cover and the positioning plate are one-to-one corresponding, and the smoke outlet and the support are fixedly connected.

[0013] As a further technical scheme of the present application, the top end of the flue body is provided with a connecting plate, the inside of the connecting plate is fixedly connected with a controller, the inside of the flue body is provided with an inner connecting piece, the bottom end of the inner connecting piece is provided with a top seat, and the bottom end of the top seat is fixedly connected with a temperature sensor.

[0014] As a further technical scheme of the present application, the controller and the temperature sensor are electrically connected, the positions of the controller, the connecting plate and the inner connecting piece are one-to-one corresponding, and there is a distance between the top seat and the flue body.

[0015] Compared with the prior art, the garbage incineration horizontal flue ash hopper heater has the advantages that: the garbage incineration horizontal flue ash hopper heater not only has the functions of convenient disassembly and installation, but also has the functions of accelerating ash discharge and monitoring temperature.

[0016] (1) By being provided with a heating outer cover, an upper connecting flange, a lower connecting flange, a fixing bolt, an inner groove, a heat shield, a heating pipe and a mounting hole, high-temperature flue gas generated after waste incineration needs to be heated through the horizontal flue to ensure that the flue gas of the waste incineration power plant can reach a suitable temperature before entering the denitration system, firstly enters the inside of the flue body through the smoke inlet at the top end of the flue body, and finally is discharged from the ash bucket, a plurality of heating pipes in the heating outer cover outside the flue body heat the flue gas passing through the inside of the flue body to prevent dewing, when it is necessary to replace and maintain the heating pipes in the heating outer cover, the fixing bolt is first removed from the inside of the upper connecting flange and the lower connecting flange so that the heating outer cover can be taken out from the outside of the flue body as a whole, then the heat shield is first detached from the inner groove in the inside of the flue body through the mounting hole, and then the heating pipes in the heat shield are maintained or replaced, and finally the upper connecting flange and the lower connecting flange at one end of the heating outer cover are fixed by the three fixing bolts so that the heating outer cover can be sleeved on the outside of the flue body to complete installation, the installation operation of the heater is simpler, and the parts in the heater can be maintained and replaced at any time, so that the function of easy disassembly and installation is realized;

[0017] (2) By being provided with a smoke outlet, a shell cover, a support, a positioning plate and a turbine fan, when in use, smoke is finally gathered at the top end of the ash bucket and discharged from the inside of the ash bucket after being heated by the heating pipes outside the flue body, the support is installed at the bottom end of the smoke outlet, and the shell cover is installed below the smoke outlet through the support, the turbine fan in the positioning plate at the bottom end of the shell cover is started, smoke is quickly introduced into the inside of the ash bucket under the rotation of the turbine fan, so that the heated smoke can be discharged from the inside of the ash bucket more quickly, the occurrence of the smoke gathering in the inside of the flue body is prevented, the ash discharge efficiency of the waste incineration horizontal flue ash bucket is improved, and the function of accelerating ash discharge is realized.

[0018] (3) By being provided with a controller, a connecting plate, an inner tab, a top seat and a temperature sensor, when smoke generated after waste incineration enters the inside of the flue body, the smoke is heated by the heating outer cover and finally discharged from the inside of the ash bucket, the controller is installed in the connecting plate at the top end of the flue body, and the temperature sensor is installed at the bottom end of the inner tab in the inside of the flue body through the top seat, so that the temperature sensor can monitor the temperature in the inside of the flue body, when an abnormal temperature is sensed, the controller connected with the top end of the inner tab can send a signal to an operator, the heating work of the smoke in the inside of the flue body is prevented from stagnating due to an accident of the heater outside the flue body, finally the working effect is affected, the working efficiency of the heater is improved, and the function of monitoring temperature is realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is the heating outer cover open state front view structure schematic diagram of the utility model;

[0021] Figure 3 It is the heating outer cover inside left view section enlarged structure schematic diagram of the utility model;

[0022] Figure 4 It is the front view section structure schematic diagram of the utility model;

[0023] Figure 5 It is the smoke outlet bottom view structure schematic diagram of the utility model.

[0024] In the drawing: 1, flue body; 2, ash bucket; 3, smoke inlet; 4, heating outer cover; 5, upper connecting flange; 6, lower connecting flange; 7, fixed bolt; 8, inner groove; 9, heat shield; 10, heating pipe; 11, mounting hole; 12, smoke outlet; 13, shell cover; 14, support; 15, positioning plate; 16, turbine fan; 17, controller; 18, connecting plate; 19, inner tab; 20, top seat; 21, temperature sensor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Embodiment: please refer to Figures 1-5 , garbage incineration horizontal flue ash bucket heater, including flue body 1, the bottom end of flue body 1 is provided with ash bucket 2, the top end of flue body 1 is provided with smoke inlet 3, the outside of flue body 1 is movably connected with the sleeve-shaped assembly that can be conveniently disassembled and overhauled;

[0027] Please refer to Figures 1-5 , garbage incineration horizontal flue ash bucket heater further includes sleeve-shaped assembly, the sleeve-shaped assembly includes heating outer cover 4, heating outer cover 4 is movably connected to the outside of smoke inlet 3, the front end of heating outer cover 4 is provided with upper connecting flange 5, the bottom end of upper connecting flange 5 is movably connected with lower connecting flange 6, three groups of fixed bolts 7 are movably connected between upper connecting flange 5 and lower connecting flange 6, six groups of inner grooves 8 are fixedly connected in the inside of heating outer cover 4, heat shield 9 is movably connected in the inside of inner groove 8, heating pipe 10 is arranged in the inside of heat shield 9, mounting hole 11 is fixedly connected on the left and right sides of heat shield 9 respectively;

[0028] The upper connecting flange 5 and the lower connecting flange 6 are one-to-one in size, the fixing bolts 7 are arranged at equal intervals, the shape and size of the inside of the heat shield 9 are matched with the shape and size of the outside of the heating pipe 10, the inner groove 8 and the heat shield 9 are tightly attached, the mounting hole 11 and the flue body 1 are movably connected, the heating pipe 10 is arranged at equal intervals, and the horizontal center line of the heating outer cover 4 coincides with the horizontal center line of the flue body 1;

[0029] Specifically, as shown in Figure 1 、 Figure 2 and Figure 3 , the high-temperature flue gas generated after waste incineration needs to be heated through the horizontal flue to ensure that the flue gas of the waste incineration power plant can reach the appropriate temperature before entering the denitration system. First, the flue gas enters the inside of the flue body 1 through the smoke inlet 3 at the top end of the flue body 1, and finally is discharged from the ash hopper 2. The multiple groups of heating pipes 10 in the heating outer cover 4 outside the flue body 1 heat the flue gas passing through the inside of the flue body 1 to prevent it from condensing. When it is necessary to replace and maintain the heating pipes 10 inside the heating outer cover 4, the fixing bolts 7 are first removed from the inside of the upper connecting flange 5 and the lower connecting flange 6 so that the heating outer cover 4 can be taken out from the outside of the flue body 1 as a whole. Then, the heat shield 9 is first removed from the inner groove 8 inside the flue body 1 through the mounting hole 11, and then the heating pipes 10 inside the heat shield 9 are maintained or replaced. Finally, the upper connecting flange 5 and the lower connecting flange 6 at one end of the heating outer cover 4 are fixed by the three groups of fixing bolts 7 so that the heating outer cover 4 can be sleeved outside the flue body 1 to complete the installation. The installation operation of the heater is simpler, and the parts inside the heater can be maintained and replaced at any time, and the installation is more simple.

[0030] The top end of the ash hopper 2 is provided with a smoke outlet 12, the bottom end of the smoke outlet 12 is provided with a shell cover 13, the left and right sides of the shell cover 13 are movably connected with supports 14, the inside of the shell cover 13 is inserted with a positioning plate 15, the bottom end of the positioning plate 15 is provided with a turbine fan 16, the vertical center lines of the smoke outlet 12 and the ash hopper 2 coincide, the shape and size of the shell cover 13 and the positioning plate 15 are one-to-one, and the smoke outlet 12 is fixedly connected with the support 14;

[0031] Specifically, as shown in Figure 1 、 Figure 4 and Figure 5As shown, when in use, the smoke is finally gathered at the top end of the ash bucket 2 and discharged from the inside thereof after being heated by the heating pipe 10 outside the chimney body 1, the support 14 is installed at the bottom end of the smoke outlet 12, and the shell cover 13 is installed below the smoke outlet 12 through the support 14, the turbine fan 16 in the positioning plate 15 at the bottom end of the shell cover 13 is opened, and the smoke is quickly introduced into the inside of the ash bucket 2 under the rotation of the turbine fan 16, so that the heated smoke can be discharged from the inside of the ash bucket 2 faster, preventing the accumulation of smoke in the inside of the chimney body 1, and improving the ash discharge efficiency.

[0032] The top end of the chimney body 1 is provided with a connecting plate 18, the inside of the connecting plate 18 is fixedly connected with a controller 17, the inside of the chimney body 1 is provided with an inner tab 19, the bottom end of the inner tab 19 is provided with a top seat 20, the bottom end of the top seat 20 is fixedly connected with a temperature sensor 21, the controller 17 and the temperature sensor 21 are electrically connected, the positions of the controller 17, the connecting plate 18 and the inner tab 19 are one-to-one corresponding, and there is a distance between the top seat 20 and the chimney body 1;

[0033] Specifically, as shown in Figure 1 and Figure 4 When the smoke generated after the garbage is incinerated enters the inside of the chimney body 1, it is heated by the heating cover 4 and finally discharged from the inside of the ash bucket 2, the controller 17 is installed in the inside of the connecting plate 18 at the top end of the chimney body 1, and the temperature sensor 21 is installed at the bottom end of the inner tab 19 in the inside of the chimney body 1 through the top seat 20, so as to monitor the temperature in the inside of the chimney body 1 by the temperature sensor 21, and when an abnormal temperature is sensed, the controller 17 connected with the top end of the inner tab 19 can send a signal to the operator, preventing the heating work in the inside of the chimney body 1 from stopping due to an accident of the heater outside the chimney body 1, and finally affecting the working effect, and improving the working efficiency of the heater.

[0034] Working principle: the utility model discloses in using, first, the high temperature flue gas generated after garbage incineration needs to be heated through horizontal flue, to ensure that the flue gas of garbage incineration power plant can reach the suitable temperature before entering the denitration system, first through the smoke inlet 3 of the top end of flue body 1 enters the inside of flue body 1, finally again from the discharge of ash bucket 2, the heating pipe 10 of multiple sets in the heating outer cover 4 outside flue body 1 prevents the dewing of the flue gas passing through the inside of flue body 1, when needing to replace the maintenance of heating pipe 10 in the heating outer cover 4, first the fixed bolt 7 is removed from the inside of upper connecting flange 5 and lower connecting flange 6 to facilitate the heating outer cover 4 whole from the outside of flue body 1 is taken out, then through the mounting hole 11, the heat shield 9 is first removed from the inner groove 8 in the inside of flue body 1, then the heating pipe 10 in the heat shield 9 is maintained or replaced, finally, the upper connecting flange 5 and lower connecting flange 6 of one end of heating outer cover 4 are fixed by three groups of fixed bolts 7 to facilitate the heating outer cover 4 is sleeved in the outside of flue body 1 and is installed, the installation operation of heater is simpler, and the components in the heater can be repaired and replaced at any time, installation is more simple, when using, the smoke is finally gathered to the top end of ash bucket 2 after the heating of the heating pipe 10 outside flue body 1 in the inside of flue body 1 and is discharged from its inside, the support 14 is installed at the bottom end of smoke outlet 12, and the shell cover 13 is installed below the smoke outlet 12 through the support 14, the turbine fan 16 in the positioning plate 15 bottom of shell cover 13 is opened, the smoke is quickly introduced into the inside of ash bucket 2 under the rotation of turbine fan 16, so that the smoke after heating can be discharged from the inside of ash bucket 2 faster, prevent the occurrence of the gathering of smoke in the inside of flue body 1, and the ash discharging efficiency is better, when the smoke generated after garbage incineration enters the inside of flue body 1, the smoke is heated by heating outer cover 4 and finally discharged from the inside of ash bucket 2, the controller 17 is installed in the connecting plate 18 inside the top end of flue body 1, the temperature sensor 21 is installed at the bottom end of inner tab 19 in the inside of flue body 1 through the top seat 20, so that the temperature sensor 21 can monitor the temperature in the inside of flue body 1, when the temperature anomaly is sensed, the controller 17 connected with the top end of inner tab 19 can send a signal to the operator, prevent the heating work of the smoke in the inside of flue body 1 from stopping due to the accident of the heater outside flue body 1, finally affect the working effect, and the working efficiency of the heater is higher.

[0035] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A waste incineration horizontal flue hopper heater comprising a flue body (1), characterised in that: The bottom end of the flue body (1) is provided with an ash bucket (2), the top end of the flue body (1) is provided with a smoke inlet (3), and the outer part of the flue body (1) is movably connected with a sleeve-shaped component which can be conveniently disassembled and repaired; The sleeve-shaped component comprises a heating outer cover (4), the heating outer cover (4) is movably connected to the outside of the smoke inlet (3), the front end of the heating outer cover (4) is provided with an upper connecting flange (5), the bottom end of the upper connecting flange (5) is movably connected with a lower connecting flange (6), three groups of fixed bolts (7) are movably connected between the upper connecting flange (5) and the lower connecting flange (6), six groups of inner grooves (8) are fixedly connected to the inside of the heating outer cover (4), a heat shield (9) is movably connected to the inside of the inner groove (8), a heating pipe (10) is arranged in the heat shield (9), and mounting holes (11) are fixedly connected to the left and right sides of the heat shield (9).

2. The waste incineration horizontal flue ash hopper heater according to claim 1, characterized in that: The shape and size of the upper connecting flange (5) and the lower connecting flange (6) are one-to-one corresponding, and the fixed bolts (7) are arranged at equal intervals.

3. The waste incineration horizontal flue ash hopper heater according to claim 2, characterized in that: The shape and size of the inside of the heat shield (9) and the outside of the heating pipe (10) are matched, the inner groove (8) and the heat shield (9) are closely fitted, and the mounting hole (11) is movably connected with the flue body (1).

4. The waste incineration horizontal flue ash hopper heater according to claim 3, characterized in that: The heating pipe (10) is arranged at equal intervals, and the horizontal center line of the heating outer cover (4) coincides with the horizontal center line of the flue body (1).

5. The waste incineration horizontal flue ash hopper heater according to claim 1, characterized in that: The top end of the ash bucket (2) is provided with a smoke outlet (12), the bottom end of the smoke outlet (12) is provided with a shell cover (13), the left and right sides of the shell cover (13) are movably connected with supports (14), a positioning plate (15) is inserted into the inside of the shell cover (13), and a turbine fan (16) is arranged at the bottom end of the positioning plate (15).

6. The waste incineration horizontal flue ash hopper heater according to claim 5, characterized in that: The vertical center lines of the smoke outlet (12) and the ash bucket (2) coincide, the shape and size of the shell cover (13) and the positioning plate (15) are one-to-one corresponding, and the smoke outlet (12) is fixedly connected with the support (14).

7. The waste incineration horizontal flue ash hopper heater according to claim 1, characterized in that: The top end of the flue body (1) is provided with a connecting plate (18), the inside of the connecting plate (18) is fixedly connected with a controller (17), the inside of the flue body (1) is provided with an inner tab (19), the bottom end of the inner tab (19) is provided with a top seat (20), and the bottom end of the top seat (20) is fixedly connected with a temperature sensor (21).

8. The waste incineration horizontal flue ash hopper heater according to claim 7, characterized in that: The controller (17) and the temperature sensor (21) are electrically connected, the positions of the controller (17), the connecting plate (18) and the inner tab (19) are one-to-one corresponding, and there is a distance between the top seat (20) and the flue body (1).

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