Hot gas recycling device of combustion furnace

Abstract

The invention discloses a hot gas recycling device of a combustion furnace, and relates to the technical field of combustion furnaces. The hot gas recycling device of the combustion furnace comprises an incineration bin, the interior of the incineration bin is rotationally connected with a crushing roller driven by a motor, a throwing opening is formed in the side face of the incineration bin, a waste heat recycling bin is assembled at the top of the incineration bin, and a water conveying pipe is assembled in the waste heat recycling bin; a separation assembly is arranged at the bottom of the waste heat recovery bin. According to the hot gas recycling device of the combustion furnace, dust and chippings rising along with hot gas are partitioned by a filter plate and prevented from entering a waste heat recycling bin, a rotating crushing roller drives a first bevel gear to rotate, the first bevel gear drives a second bevel gear to rotate, the second bevel gear drives a cam to rotate and knock a transmission plate, and the waste heat is recycled. And dust and chippings attached to the filter plate are separated, and the protection effect on the waste heat recovery bin can be improved under the condition that the waste heat recovery efficiency is not affected.

Description

Technical Field

[0001] The invention relates to the technical field of combustion furnaces, and in particular to a hot gas recovery and utilization device of a combustion furnace. Background Art

[0002] The heat recovery device of the combustion furnace is mainly related to energy efficiency and environmental protection in the industrial process. In the traditional combustion furnace, the combustion process releases a lot of heat, which is often directly discharged into the atmosphere through the flue, causing energy waste and environmental pollution.

[0003] However, the existing heat recovery and utilization devices of the combustion furnace often use the hot gas generated by the combustion furnace to heat the water in the water tank, and then replace the water in the water tank through the water inlet and outlet on the water tank, so as to perform the corresponding waste heat recovery operation. However, during the incineration process, a large amount of dust and debris generated by the incineration enters the waste heat recovery bin along with the hot gas, thereby affecting the recovery efficiency of the waste heat recovery bin. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a heat recovery device for a combustion furnace, which solves the problems raised in the above background technology. To achieve the above purpose, the present invention is implemented through the following technical scheme: a heat recovery device for a combustion furnace, comprising an incineration bin, the interior of which is rotatably connected to a crushing roller driven by a motor, a side of which is provided with a loading port, a waste heat recovery bin is installed on the top of the incineration bin, and a water pipe is installed inside the waste heat recovery bin; A separation component is provided at the bottom of the waste heat recovery bin, and the separation component includes a bevel gear 1 driven by a crushing roller, and a side of the waste heat recovery bin is rotatably connected to a bevel gear 2, and the bevel gear 2 is meshed with the bevel gear 1, and the bottom transmission connection of the bevel gear 2 is connected to a cam, and a filter plate is installed inside the waste heat recovery bin, and a penetrating transmission plate is installed on the side of the filter plate, and a recovery component is provided inside the waste heat recovery bin, and the recovery component includes a fixed seat and a hydraulic bin 1, and the internal rotation of the fixed seat is connected to a reciprocating screw driven by the crushing roller, and the outer side of the reciprocating screw is connected to a sliding block by setting a thread, and the internal rotation of the hydraulic bin 1 is connected to a baffle, and the top of the baffle is fixedly connected to an elastic telescopic plate.

[0005] Preferably, the side of the hydraulic tank 1 is slidably connected with a force rod 1, the side of the force rod 1 is equipped with a spring 1, the end of the hydraulic tank 1 away from the force rod 1 is slidably connected with an arc rod, the water pipe is rotatably connected with a through-shaft, the side of the shaft is equipped with a horizontal plate, the bottom of the shaft is equipped with a blocking block, the sliding block is located on the inner side of the fixed seat, and is in a sliding connection with the fixed seat. The liquid in the water pipe can be intermittently stored, heated and discharged in sequence, thereby improving the heat recovery efficiency of the device.

[0006] Preferably, the transverse plate is located at a side position of the arc-shaped rod and is fixed to the arc-shaped rod.

[0007] Preferably, the incineration chamber is internally rotatably connected to a power cylinder driven by a motor, the outer side of the power cylinder is rotatably connected to a rotating rod, a flip assembly is provided inside the incineration chamber, the flip assembly includes a mounting seat, the mounting seat is internally equipped with a hydraulic device, the side of the hydraulic device is slidably connected to a force rod 2, the side of the force rod 2 is equipped with a spring 2, the end of the hydraulic device away from the force rod 2 is slidably connected to a gear rod, the outer side of the rotating rod is fixedly connected to a gear, the gear is meshed with the gear rod, and the end of the rotating rod away from the power cylinder is fixedly connected to a flip plate. The contact area between the incinerated material and oxygen is increased, thereby improving the incineration efficiency of the device.

[0008] Preferably, the mounting seat is fixed at an inner side position of the power cylinder.

[0009] Preferably, an injection assembly is provided inside the incineration bin, the injection assembly includes a hydraulic bin 2 and a gas pipeline, one end of the hydraulic bin 2 is slidably connected to a transmission rod, the other end of the hydraulic bin 2 is slidably connected to a connecting rod, and a one-way valve is installed inside the gas pipeline. That is, air can be intermittently injected into the incineration bin in sequence to increase the oxygen content in the incineration bin, further improving the incineration efficiency of the device.

[0010] Preferably, the transmission rod is located at a side position of the second force-bearing rod and is in a fixed state with the second force-bearing rod.

[0011] Preferably, the connecting rod is at one end away from the hydraulic tank 2, passes through the gas pipeline, and is in a sliding connection with the gas pipeline.

[0012] The present invention provides a hot gas recovery and utilization device for a combustion furnace. It has the following beneficial effects: (1) In the heat recovery and utilization device of the combustion furnace, the dust and debris that rise with the hot gas are blocked by the filter plate to prevent them from entering the waste heat recovery bin, and the rotating crushing roller drives the bevel gear 1 to rotate, so that the bevel gear 1 drives the bevel gear 2 to rotate, and the bevel gear 2 drives the cam to rotate, knocking the transmission plate to separate the dust and debris attached to the filter plate, thereby improving the protection effect of the waste heat recovery bin without affecting the waste heat recovery efficiency.

[0013] (2) The heat recovery and utilization device of the combustion furnace drives the power cylinder to rotate synchronously when the motor is started. In conjunction with the mounting seat, hydraulic device, force rod 2, spring 2, gear rod, gear and flip plate, the flipping effect of the incinerated material can be improved, and the contact area between the incinerated material and oxygen is increased, thereby improving the incineration efficiency of the device.

[0014] (3) The heat gas recovery and utilization device of the combustion furnace, when the force-bearing rod 2 moves back and forth, cooperates with the hydraulic chamber 2, the gas pipeline, the transmission rod, the connecting rod and the one-way valve to intermittently inject air into the combustion chamber in sequence, thereby increasing the oxygen content in the combustion chamber and further improving the combustion efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the overall cross-sectional three-dimensional structure of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the recycling component of the present invention; Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle; Figure 5 For the present invention Figure 3 The enlarged structural diagram at B in the middle; Figure 6 It is a schematic diagram of the three-dimensional structure of the flip assembly of the present invention; Figure 7 For the present invention Figure 6 The enlarged structural diagram at C in the middle; Figure 8 It is a schematic diagram of the three-dimensional structure of the injection assembly of the present invention; Fig. 9 A schematic diagram of a three-dimensional structure of the present invention viewed from another perspective; Fig.10 For the present invention Fig. 9 Enlarged structural diagram at D in the middle.

[0016] In the figure: 100, incineration bin; 200, crushing roller; 300, loading port; 400, waste heat recovery bin; 500, water pipe; 600, power cylinder; 700, rotating rod; 1100, separation assembly; 1101, bevel gear 1; 1102, bevel gear 2; 1103, cam; 1104, filter plate; 1105, transmission plate; 800, recovery assembly; 801, fixed seat; 802, hydraulic chamber 1; 803, reciprocating screw rod; 804, sliding block; 805, baffle; 806, elastic telescopic plate; 807, force rod 1; 808, spring 1; 809, arc rod; 810, rotating shaft; 811, horizontal plate; 812, blocking block; 900, flip assembly; 901, mounting seat; 902, hydraulic device; 903, force rod 2; 904, spring 2; 905, gear rod; 906, gear; 907, flip plate; 1000. injection assembly; 1001. hydraulic chamber 2; 1002. gas pipeline; 1003. transmission rod; 1004. connecting rod; 1005. one-way valve. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Example

[0018] See also Figure 1-Figure 10 A heat recovery and utilization device for a combustion furnace comprises an incineration bin 100, wherein a crushing roller 200 driven by a motor is rotatably connected inside the incineration bin 100, a loading port 300 is provided on the side of the incineration bin 100, a waste heat recovery bin 400 is provided on the top of the incineration bin 100, and a water pipe 500 is provided inside the waste heat recovery bin 400. The motor is started, and objects to be incinerated are put into the incineration bin 100 through the loading port 300. After the objects are crushed by the rotating crushing roller 200, corresponding incineration operations are performed in the incineration bin 100. Figure 3 From a medium viewing angle, liquid is input into the water pipe 500 from the left side thereof, and liquid is simultaneously extracted from the right side of the water pipe 500; A separation assembly 1100 is provided at the bottom of the waste heat recovery bin 400, and the separation assembly 1100 includes a bevel gear 1101 driven by the crushing roller 200, and a bevel gear 2 1102 is rotatably connected to the side of the waste heat recovery bin 400, and the bevel gear 2 1102 is meshed with the bevel gear 1 1101, and the bottom of the bevel gear 2 1102 is transmission-connected to a cam 1103, and a filter plate 1104 is installed inside the waste heat recovery bin 400, and a transmission plate 1105 is installed on the side of the filter plate 1104. The dust and debris that rise with the hot air are blocked by the filter plate 1104 to prevent them from entering the waste heat recovery bin 400, and the rotating crushing roller 200 drives the bevel gear 1101 to rotate, so that the bevel gear 1101 drives the bevel gear 2 1102 meshing with it to rotate, and the bevel gear 2 1102 drives the cam 1103 connected with it to rotate, so that the cam 1103 hits the transmission plate 1105 when rotating, and the transmission plate 1105 then drives the filter plate 1104 to vibrate to a certain extent, thereby separating the dust and debris attached to the filter plate 1104, thereby improving the protection effect of the waste heat recovery bin 400 without affecting the waste heat recovery efficiency.

[0019] The waste heat recovery bin 400 is provided with a recovery assembly 800, which includes a fixed seat 801 and a hydraulic bin 802. The fixed seat 801 is internally rotatably connected with a reciprocating screw 803 driven by the crushing roller 200. The outer side of the reciprocating screw 803 is connected with a sliding block 804 by setting a thread. The sliding block 804 is located on the inner side of the fixed seat 801 and is in a sliding connection with the fixed seat 801. When the crushing roller 200 rotates, the reciprocating screw 803 can be driven to rotate synchronously. Because the outer side of the reciprocating screw 803 is connected with the sliding block 804 by a thread, and the sliding block 804 is also restricted by the fixed seat 801 slidably connected thereto, Figure 3 Observation from a medium viewing angle causes the slider 804 to move to the left.

[0020] The hydraulic tank 802 is internally rotatably connected with a baffle 805, the top of the baffle 805 is fixedly connected with an elastic telescopic plate 806, the side of the hydraulic tank 802 is slidably connected with a force rod 807, the side of the force rod 807 is equipped with a spring 808, the end of the hydraulic tank 802 away from the force rod 807 is slidably connected with an arc rod 809, the water pipe 500 is rotatably connected with a penetrating shaft 810, the side of the shaft 810 is equipped with a cross plate 811, the cross plate 811 is located on the side of the arc rod 809, and is fixed with the arc rod 809, and the bottom of the shaft 810 is equipped with a blocking block 812. When the sliding block 804 moves to the left and squeezes the force-bearing rod 807, the hydraulic chamber 802 slidably connected to the force-bearing rod 807 increases the pressure in the hydraulic chamber 802. Because the hydraulic chamber 802 is internally rotatably connected to the baffle 805, and the top of the baffle 805 is equipped with an elastic expansion plate 806, and the baffle 805 is close to the right arc rod 809, the force in the hydraulic chamber 802 is preferentially transmitted to the left arc rod 809, so that the left arc rod 809 drives the left horizontal plate 811 fixedly connected to it to rotate. , the left horizontal plate 811 drives the left rotating shaft 810 to rotate, so that the left rotating shaft 810 drives the left blocking block 812 to rotate, and the left blocking block 812 which was originally in an open state is closed. As the force-bearing rod 807 continues to move, the baffle 805 can compress the elastic expansion plate 806 and rotate. At this time, the force in the hydraulic chamber 802 can be transmitted to the right arc rod 809. Similarly, the right blocking block 812 is changed from the original closed state to the open state, and the liquid that originally stayed in the water pipe 500 and completed the heating is extracted; When the reciprocating screw 803 continues to rotate and drives the sliding block 804 away from the force-bearing rod 807, the force-bearing rod 807 can be reset under the action of the spring 808, so that the recovery component 800 is completely reset. In this way, the subsequent liquid can be intermittently stored, heated and discharged in turn, thereby improving the heat recovery efficiency of the device.

[0021] When in use, the motor is started, and the incineration object is put into the incineration bin 100 through the delivery port 300. After the object is crushed by the rotating crushing roller 200, the corresponding incineration operation is carried out in the incineration bin 100. At this time, the dust and debris rising together with the hot air are blocked by the filter plate 1104 to prevent them from entering the waste heat recovery bin 400, and the rotating crushing roller 200 drives the bevel gear 1101 to rotate, so that the bevel gear 1101 drives the bevel gear 2 1102 meshing with it to rotate, and the bevel gear 2 1102 drives the cam 1103 connected with it to rotate, so that the cam 1103 hits the transmission plate 1105 when rotating, and the transmission plate 1105 immediately drives the filter plate 1104 to vibrate to a certain extent, thereby separating the dust and debris attached to the filter plate 1104; Figure 3Observed from a middle angle, liquid is input into the water pipe 500 from the left side and extracted from the right side of the water pipe 500 at the same time. The liquid is restricted by the block 812 on the right side and stays in the water pipe 500 to store water and heat it. The rotating crushing roller 200 synchronously drives the reciprocating screw 803 to rotate. Because the outer side of the reciprocating screw 803 is connected to a sliding block 804 through a thread, and the sliding block 804 is also restricted by the fixed seat 801 slidably connected thereto, the sliding block 804 moves to the left. As the sliding block 804 moves, it squeezes the force-bearing rod 807, and cooperates with the hydraulic chamber 802 slidably connected to the force-bearing rod 807, so that the pressure in the hydraulic chamber 802 increases. Because the hydraulic chamber 802 is internally rotatably connected to the baffle 805, and the top of the baffle 805 is equipped with an elastic telescopic plate 806, and the baffle 805 is close to the right arc rod 809, the force in the hydraulic chamber 802 is preferentially transmitted to the arc rod on the left. 809, so that the left side arc rod 809 drives the left side horizontal plate 811 fixedly connected thereto to rotate, and the left side horizontal plate 811 drives the left side rotating shaft 810 to rotate, so that the left side rotating shaft 810 drives the left side blocking block 812 to rotate, and the left side blocking block 812 which was originally in an open state is closed. As the force-bearing rod 807 continues to move, the baffle 805 can compress the elastic telescopic plate 806 and rotate. At this time, the force in the hydraulic tank 802 can be transmitted to the right side arc rod 809. Similarly, the right side blocking block 812 is changed from the original closed state to the open state, and the liquid that originally stayed in the water pipe 500 and completed the heating is extracted; and when the reciprocating screw rod 803 continues to rotate, driving the sliding block 804 away from the force-bearing rod 807, the force-bearing rod 807 can be reset under the action of the spring 808, so that the recovery component 800 is completely reset. In this way, the subsequent liquid can be intermittently stored, heated and then discharged in sequence. Example

[0022] See also Figure 1-Figure 7On the basis of the first embodiment, the incineration chamber 100 is internally rotatably connected to a power cylinder 600 driven by a motor, and the outer side of the power cylinder 600 is rotatably connected to a rotating rod 700. When the motor is started to synchronously drive the power cylinder 600 to rotate, the power cylinder 600 drives the rotating rod 700 rotatably connected thereto to revolve. A flip assembly 900 is provided inside the incineration chamber 100, and the flip assembly 900 includes a mounting seat 901, which is fixed to the inner side of the power cylinder 600, and a hydraulic device 902 is installed inside the mounting seat 901, and a force rod 903 is slidably connected to the side of the hydraulic device 902, and a spring 904 is installed on the side of the force rod 903. When the sliding block 804 moves to the stress-bearing rod 903 and squeezes the stress-bearing rod 903, the stress-bearing rod 903 can compress the spring 904 and slide into the hydraulic device 902. When the sliding block 804 moves away from the stress-bearing rod 903, the stress-bearing rod 903 can be reset under the action of the spring 904, so that the stress-bearing rod 903 can move back and forth in the horizontal direction.

[0023] The end of the hydraulic device 902 away from the stress rod 903 is slidably connected with a gear rod 905, the outer side of the rotating rod 700 is fixedly connected with a gear 906, the gear 906 meshes with the gear rod 905, and the end of the rotating rod 700 away from the power cylinder 600 is fixedly connected with a flip plate 907. When the stress rod 903 moves back and forth in the horizontal direction, the hydraulic device 902 slidably connected to the stress rod 903 can drive the gear rod 905 slidably connected to the hydraulic device 902 to move back and forth, so that the gear rod 905 drives the gear 906 meshed with it to rotate back and forth, so that the gear 906 drives the rotating rod 700 fixedly connected to it to rotate back and forth at a certain angle, so that the flip plate 907 fixedly connected to the rotating rod 700 can swing back and forth at a certain angle when it revolves, flipping the incineration objects in the incineration chamber 100, increasing the contact area between the incineration objects and oxygen, thereby improving the incineration efficiency of the device.

[0024] When in use, on the basis of the first embodiment, starting the motor can synchronously drive the power cylinder 600 to rotate, so that the power cylinder 600 drives the rotating rod 700 connected to it to revolve, and when the sliding block 804 moves to the force-bearing rod 903 and squeezes the force-bearing rod 903, the force-bearing rod 903 can compress the spring 904 and slide into the hydraulic device 902, and when the sliding block 804 is away from the force-bearing rod 903, the force-bearing rod 903 can be reset under the action of the spring 904, so that the force-bearing rod 903 can be horizontally moved. It moves back and forth upwards, and cooperates with the hydraulic device 902 that is slidably connected to the force-bearing rod 903, which can drive the gear rod 905 that is slidably connected to the hydraulic device 902 to move back and forth, so that the gear rod 905 drives the gear 906 that is meshed with it to rotate back and forth, and the gear 906 drives the rotating rod 700 that is fixedly connected to it to rotate back and forth at a certain angle. In this way, the flip plate 907 that is fixedly connected to the rotating rod 700 can swing back and forth at a certain angle when it revolves, so as to flip the incinerated objects in the incineration bin 100. Example

[0025] See also Figure 1-Figure 8 On the basis of the first and second embodiments, an injection assembly 1000 is provided inside the incineration chamber 100. The injection assembly 1000 includes a hydraulic chamber 1001 and a gas pipeline 1002. One end of the hydraulic chamber 1001 is slidably connected with a transmission rod 1003. The transmission rod 1003 is located at the side of the force-bearing rod 903 and is in a fixed state with the force-bearing rod 903. The other end of the hydraulic chamber 1001 is slidably connected with a connecting rod 1004. The connecting rod 1004 is away from one end of the hydraulic chamber 1001, passes through the gas pipeline 1002, and is in a slidable connection with the gas pipeline 1002. When the force-bearing rod 903 moves back and forth, the transmission rod 1003 fixedly connected thereto can be driven to move back and forth, and the hydraulic chamber 1001 slidably connected to the transmission rod 1003 can be driven to move back and forth in the vertical direction by cooperating with the hydraulic chamber 1001 slidably connected to the transmission rod 1003. A one-way valve 1005 is installed inside the gas pipeline 1002. When the connecting rod 1004 moves back and forth in the vertical direction, and because two one-way valves 1005 are installed inside the gas pipeline 1002 slidably connected to the connecting rod 1004, when the connecting rod 1004 moves upward, the external air can be drawn into the gas pipeline 1002, and when the connecting rod 1004 moves downward, the air just drawn from the gas pipeline 1002 can be injected into the incineration chamber 100, thereby increasing the oxygen content in the incineration chamber 100 and further improving the incineration efficiency of the device.

[0026] During use, on the basis of Example 1 and Example 2, when the force-bearing rod 2 903 moves back and forth, it can drive the transmission rod 1003 fixed thereto to move back and forth, and cooperate with the hydraulic chamber 2 1001 slidingly connected to the transmission rod 1003, it can drive the connecting rod 1004 slidingly connected to the hydraulic chamber 2 1001 to move back and forth in the vertical direction. Because the gas pipeline 1002 slidingly connected to the connecting rod 1004 is equipped with two one-way valves 1005, when the connecting rod 1004 moves upward, the external air can be drawn into the gas pipeline 1002, and when the connecting rod 1004 moves downward, the air just drawn from the gas pipeline 1002 can be injected into the incineration chamber 100.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A heat recovery device for a combustion furnace, comprising an incineration chamber (100), wherein a crushing roller (200) driven by a motor is rotatably connected to the interior of the incineration chamber (100), a feeding port (300) is provided on the side of the incineration chamber (100), a waste heat recovery chamber (400) is installed on the top of the incineration chamber (100), and a water pipe (500) is installed inside the waste heat recovery chamber (400); Features: A separation component (1100) is provided at the bottom of the waste heat recovery bin (400), the separation component (1100) comprising a bevel gear 1 (1101) driven by a crushing roller (200), a bevel gear 2 (1102) is rotatably connected to the side of the waste heat recovery bin (400), the bevel gear 2 (1102) is meshed with the bevel gear 1 (1101), the bottom of the bevel gear 2 (1102) is transmission-connected to a cam (1103), a filter plate (1104) is installed inside the waste heat recovery bin (400), and a through-hole is installed on the side of the filter plate (1104). The waste heat recovery bin (400) is provided with a recovery component (800) inside, the recovery component (800) comprising a fixed seat (801) and a hydraulic bin 1 (802), the fixed seat (801) is internally rotatably connected to a reciprocating screw (803) driven by a crushing roller (200), the outer side of the reciprocating screw (803) is connected to a sliding block (804) by means of a thread, the hydraulic bin 1 (802) is internally rotatably connected to a baffle (805), and the top of the baffle (805) is fixedly connected to an elastic telescopic plate (806).

2. The hot gas recovery device of a combustion furnace according to claim 1, characterized in that: The side of the hydraulic chamber 1 (802) is slidably connected to a force-bearing rod 1 (807), and the side of the force-bearing rod 1 (807) is equipped with a spring 1 (808). The end of the hydraulic chamber 1 (802) away from the force-bearing rod 1 (807) is slidably connected to an arc rod (809). The water pipe (500) is rotatably connected to a rotating shaft (810) that passes through it. The side of the rotating shaft (810) is equipped with a horizontal plate (811), and the bottom of the rotating shaft (810) is equipped with a blocking block (812). The sliding block (804) is located on the inner side of the fixed seat (801) and is in a sliding connection with the fixed seat (801).

3. The hot gas recovery device of a combustion furnace according to claim 2, characterized in that: The transverse plate (811) is located on the side of the arc-shaped rod (809) and is in a fixed state with the arc-shaped rod (809).

4. The hot gas recovery device of a combustion furnace according to claim 1, characterized in that: The incineration chamber (100) is rotatably connected to a power cylinder (600) driven by a motor inside, and the power cylinder (600) is rotatably connected to a rotating rod (700) outside. A flip assembly (900) is arranged inside the incineration chamber (100), and the flip assembly (900) comprises a mounting seat (901). A hydraulic device (902) is installed inside the mounting seat (901). A force-bearing rod (903) is slidably connected to the side of the hydraulic device (902). A spring (904) is installed on the side of the force-bearing rod (903). A gear (905) is slidably connected to the end of the hydraulic device (902) away from the force-bearing rod (903). A gear (906) is fixedly connected to the outside of the rotating rod (700), and the gear (906) meshes with the gear rod (905). A flip plate (907) is fixedly connected to the end of the rotating rod (700) away from the power cylinder (600).

5. The heat recovery device of a combustion furnace according to claim 4, characterized in that: The mounting seat (901) is fixed at an inner side of the power cylinder (600).

6. The hot gas recovery device of a combustion furnace according to claim 4, characterized in that: An injection assembly (1000) is arranged inside the incineration chamber (100), and the injection assembly (1000) comprises a hydraulic chamber 2 (1001) and a gas pipeline (1002), one end of the hydraulic chamber 2 (1001) is slidably connected to a transmission rod (1003), the other end of the hydraulic chamber 2 (1001) is slidably connected to a connecting rod (1004), and a one-way valve (1005) is installed inside the gas pipeline (1002).

7. The heat recovery device of a combustion furnace according to claim 6, characterized in that: The transmission rod (1003) is located at the side of the second force-bearing rod (903) and is in a fixed state with the second force-bearing rod (903).

8. The heat recovery device of a combustion furnace according to claim 6, characterized in that: The end of the connecting rod (1004) away from the second hydraulic chamber (1001) passes through the gas pipeline (1002) and is in a sliding connection with the gas pipeline (1002).

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