Waste heat utilization type kiln

By setting up a heat storage cavity and heat conducting parts in the kiln and using high-temperature flue gas to heat the materials and water tank, the problem of low thermal energy utilization rate of traditional earthen kilns is solved, the efficient utilization and secondary utilization of waste heat are achieved, and the production cost is reduced.

CN120627702APending Publication Date: 2025-09-12铁门关市元集新型材料有限公司
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Patent Information

Application Number
CN202510856223.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-25
Publication Date
2025-09-12

AI Technical Summary

Technical Problem

The traditional earth kiln charcoal production process has low thermal energy utilization rate, serious energy waste and cannot meet the requirements of energy conservation.

Method used

A waste heat utilization kiln is designed. By setting a heat storage cavity and heat conducting parts in the kiln body, high-temperature flue gas is used to heat the material and transfer the heat to the water tank, thereby realizing the secondary utilization of waste heat and improving the thermal energy utilization rate.

Benefits of technology

It improves the thermal energy utilization rate of the kiln, reduces fuel consumption, lowers production costs, and realizes the secondary utilization of waste heat, which is in line with the trend of energy conservation.

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Abstract

The invention relates to a waste heat utilization type kiln which comprises an exhaust pipe, a water tank and a plurality of kiln bodies, a heat storage cavity and a combustion chamber are arranged in each kiln body, a heat conduction piece is arranged in each heat storage cavity, an air inlet pipe and an air outlet pipe are arranged on each kiln body, a water inlet and a water outlet are formed in the water tank, and a screw cap is in threaded connection with the water tank. High-temperature flue gas generated by combustion in the combustion chamber enters the heat storage cavity on the adjacent kiln body, the temperature is transmitted to the heat conduction piece, the heat conduction piece heats materials in the combustion chamber, the temperature of the materials is increased, the materials are accelerated to reach an ignition point, fuel consumed in the ignition stage is reduced, waste heat is utilized once, cost is reduced, and the energy-saving effect is achieved. When each kiln body is used, high-temperature flue gas enters the exhaust pipe to heat water in the water tank, the water in the water tank can be used for daily life, secondary utilization of waste heat is achieved, heat energy generated by combustion of materials in the kiln is fully utilized, the heat energy utilization rate of the kiln is increased, and the current trend of saving energy is met.
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Description

Technical Field

[0001] The present application relates to the field of kilns, and in particular to a waste heat utilization kiln. Background Art

[0002] Charcoal is a solid product obtained by thermal decomposition through drying, dehumidification, carbonization and other processes under low oxygen and high temperature conditions. It is a product used in large quantities in people's daily life and industrial production. my country is a major charcoal producer, and earthen kilns are the main traditional charcoal production method in my country. Although earthen kilns can ensure the quality of charcoal, the carbonization time is relatively long, generally about 40 days. The heat energy utilization rate of the earthen kiln during the entire carbonization process is low, and energy waste is serious, which does not meet the current energy conservation requirements. Summary of the Invention

[0003] In order to improve the thermal energy utilization rate of the earth kiln during the carbonization process, the present application provides a waste heat utilization kiln.

[0004] This application provides a waste heat utilization kiln, which adopts the following technical solutions:

[0005] A waste heat utilization kiln includes an exhaust pipe, a water tank and several kiln bodies. A heat storage chamber and a combustion chamber are provided in the kiln body. The heat storage chamber is located below the combustion chamber. A heat conductor is provided in the heat storage chamber. The heat conductor is attached to the top wall of the heat storage chamber. An air inlet pipe and an air outlet pipe are provided on the kiln body. The air inlet pipe connects the combustion chamber and the heat storage chamber on the adjacent kiln body. The air outlet pipe is connected to the heat storage chamber. The exhaust pipe connects the air outlet pipes on several kiln bodies. The water tank is sleeved on the outside of the exhaust pipe. A water inlet and a water outlet are provided on the water tank. A screw cover is threadedly connected to the water tank, and the screw cover covers the water outlet.

[0006] By adopting the above technical solution, the high-temperature flue gas generated by the combustion in the combustion chamber enters the heat storage cavity on the adjacent kiln body through the air inlet pipe, and the high-temperature flue gas transfers the temperature to the heat conductor, which heats the material in the combustion chamber, causing the object to heat up, accelerating the material to reach the ignition point, reducing the fuel consumed in the ignition stage, and realizing the one-time utilization of waste heat, which is conducive to reducing costs; when all kiln bodies are in use, the high-temperature flue gas enters the exhaust pipe through the air inlet pipe, the heat storage cavity and the air outlet pipe, and the heat is transferred to the water tank through the exhaust pipe to heat the water in the water tank. The water in the water tank can be used for daily life, realizing the secondary utilization of waste heat, making full use of the heat energy generated by the combustion of materials in the kiln, and improving the heat energy utilization rate of the kiln, which is in line with the current trend of energy conservation.

[0007] Optionally, the heat conductor includes a top plate and a support frame arranged on the top plate, the top plate is in contact with the top wall of the heat storage chamber, the support frame is located below the top plate and abuts against the bottom wall of the heat storage chamber, and a plurality of through holes connected to each other are opened on the support frame, and the through holes are connected to the air inlet pipe and the air outlet pipe.

[0008] By adopting the above technical solution, a top plate and a support frame are set to improve the overall support strength of the heat conductor, thereby improving the structural stability of the heat storage chamber and reducing the collapse of the heat storage chamber under the weight of the material in the combustion chamber.

[0009] Optionally, the kiln body includes a main body and a slide seat slidably connected to the main body, the heat storage chamber, combustion chamber, air inlet pipe and air outlet pipe are all arranged on the main body, an opening is provided on the outer wall of the main body, the opening is connected to the combustion chamber, the slide seat is slidably connected to the opening, and a material trough is provided on the slide seat.

[0010] By adopting the above technical solution, the heat conducting element transfers the temperature to the combustion chamber, causing the temperature inside the combustion chamber to increase. The staff can take and place the materials in the material trough by moving the slide. The staff does not need to enter and exit the combustion chamber, making it more convenient to take and place materials.

[0011] Optionally, an ignition port is provided on the slide, and the ignition port is connected to the feeding trough. A baffle 1 is hinged on the slide, and the baffle 1 is located at the lower end of the feeding trough and flips close to or away from the feeding trough. The slide also has a baffle 2 that can be lifted and slid. A protrusion is provided on the baffle 2, and a groove for the protrusion to be snapped into is provided on the baffle 1. When the protrusion is snapped into the groove, the baffle 2 is located at the lower end of the feeding trough and covers the ignition port. A positioning assembly is provided on the slide. When the baffle 2 moves up until the protrusion is disengaged from the groove, the ignition port is connected to the combustion chamber, and the positioning assembly is used to position the baffle 2.

[0012] By adopting the above technical solution, when it is necessary to take out the burned material in the feeding trough, the slide is moved out of the opening, and then the baffle two is moved up and positioned by the positioning assembly. At this time, the protrusion is disengaged from the groove, and the baffle one is flipped away from the feeding trough, and the material can be taken out of the feeding trough; when the material to be burned is placed, the baffle one is flipped close to the feeding trough, and then the slide is moved into the combustion chamber. After ignition is completed through the ignition port, the positioning state of the baffle two is released, and the baffle two moves downward under the action of gravity, so that the protrusion is stuck in the groove to position the baffle one. At this time, the baffle two and the baffle one cover the lower end of the feeding trough together, reducing the situation that the material in the feeding trough falls from the notch of the feeding trough when the subsequent slide moves out of the opening. At the same time, the baffle two covers the ignition port to reduce the oxygen entering the combustion chamber.

[0013] Optionally, the positioning assembly includes a slider horizontally connected to the slide seat and a clamping block provided on the baffle 2, the slider is provided with a through hole 1 for the clamping block to pass through, and the clamping block is provided with a slot for the slider to slide and engage.

[0014] By adopting the above technical solution, when baffle 2 needs to be positioned, baffle 2 is moved up so that the blocking block passes through perforation 1, and then the slider is moved so that the slider is stuck in the slot. At this time, baffle 2 is positioned by the blocking block against the slider under the action of gravity.

[0015] Optionally, the slide seat includes a base slidably connected to the opening and an extension block provided on the base, the baffle one, baffle two, material trough and ignition port are all provided on the base, the extension block is located on the side of the base away from the combustion chamber, a slot is provided on the extension block, and a through hole two is provided on the slider for the extension block to pass through, and the slot is for the slider to be inserted.

[0016] By adopting the above technical solution, when installing the slider, the slider is sleeved on the extension block, the extension block passes through the second through hole and the slider is inserted into the slot, and the installation of the slider is completed, making the installation of the slider more convenient.

[0017] Optionally, the base includes a base body slidably connected to the opening and a cover plate provided on the base body, the cover plate is located on a side of the base body away from the combustion chamber, the baffle 1, baffle 2 and the material trough are all provided on the base body, the ignition port and the extension block are provided on the cover plate, and an inclined surface 1 is provided on the inner peripheral wall of the opening, the inclined surface 1 is inclined outward in a direction away from the combustion chamber, and the inclined surface 1 is used to abut the cover plate;

[0018] The main body is provided with a fixing block 1, which is located at both sides of the opening, and a notch 1 is provided on the fixing block 1. A clamping rod is placed in the notch 1, and a connecting rope is provided on the clamping rod. The two ends of the connecting rope are connected to the clamping rod. The cover is provided with a fixing block 2, which is provided with a notch 2. A slope 2 is provided on the inner wall of the notch 2, and the slope 2 is located on the side of the notch 2 close to the base body and is inclined upward in the direction close to the base body. The notch 2 is for the clamping rod to be clamped in. A boss is provided on the cover, and the boss is located below the notch 1. When the connecting rope is hooked on the boss, the clamping rod is pressed against the slope 2, and the connecting rope is in a tensioned state.

[0019] By adopting the above technical solution, when the base needs to be moved out of the opening, the connecting rope is separated from the boss and the clamping rod is taken out from the gaps one and two, and the base can be moved out of the opening; when the base is moved into the combustion chamber, the gaps one and two are aligned, the clamping rod is inserted into the gaps one and two, and the connecting rope is hooked on the boss. At this time, the connecting rope is in a tensioned state, and the clamping rod is pulled against the inclined surface two, thereby squeezing the cover plate against the inclined surface one, increasing the sealing between the cover plate and the main body, reducing the entry of oxygen, and eliminating the need to use mud to cover the gap between the base and the main body to achieve sealing, making the kiln more convenient to use.

[0020] In summary, this application includes at least one of the following beneficial technical effects:

[0021] 1. The high-temperature flue gas generated by combustion in the combustion chamber enters the heat storage cavity on the adjacent kiln body and transfers the temperature to the heat conducting element. The heat conducting element heats the material in the combustion chamber, causing the object to heat up, accelerating the material to reach the ignition point, reducing the fuel consumed in the ignition stage, and realizing the primary utilization of waste heat, which is conducive to reducing costs. When all kiln bodies are in use, the high-temperature flue gas enters the exhaust pipe, and the heat is transferred to the water tank through the exhaust pipe to heat the water in the water tank. The water in the water tank can be used for daily life, realizing the secondary utilization of waste heat, making full use of the heat energy generated by the combustion of materials in the kiln, and improving the heat energy utilization rate of the kiln, which is in line with the current trend of energy conservation.

[0022] 2. By setting baffle 1, baffle 2 and positioning assembly, when it is necessary to take out the burned material in the trough, the slide is moved out of the opening, and then baffle 2 is moved up and positioned by the positioning assembly, and the material can be taken out of the trough. After the material to be burned is placed, baffle 1 is flipped close to the trough, and then the slide is moved into the combustion chamber. After ignition is completed through the ignition port, the positioning state of baffle 2 is released, and baffle 2 is moved down so that the protrusion is stuck in the groove to position baffle 1. This can reduce the situation where the material in the trough falls from the notch of the trough when the slide is subsequently moved out of the opening. At the same time, baffle 2 covers the ignition port to reduce the entry of oxygen into the combustion chamber.

[0023] 3. When the base needs to be moved out of the opening, the connecting rope is separated from the boss and the clamping rod is taken out from the gaps 1 and 2 to move the base out of the opening. After the base is moved into the combustion chamber, the clamping rod is inserted into the gaps 1 and 2 and the connecting rope is hooked on the boss. At this time, the connecting rope pulls the clamping rod against the inclined surface 2, thereby squeezing the cover plate against the inclined surface 1, increasing the sealing between the cover plate and the main body. There is no need to use mud to cover the gap between the base and the main body to achieve sealing, making the kiln more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is an overall schematic diagram of an embodiment of the present application.

[0025] Figure 2 This is a partial exploded structural diagram of an embodiment of the present application, mainly showing the structure of the water outlet.

[0026] Figure 3 This is a structural diagram of the embodiment of the present application, cut away at the main body, mainly showing the structure of the heat storage chamber.

[0027] Figure 4 This is a partial structural diagram of an embodiment of the present application, mainly showing the structure of the through hole.

[0028] Figure 5 This is a structural diagram of a part of the main body of an embodiment of the present application, mainly showing the structure of the combustion chamber.

[0029] Figure 6 This is a partial structural diagram of an embodiment of the present application, mainly showing the structure of the base and the material trough.

[0030] Figure 7 for Figure 6 The enlarged view of part A in the middle mainly shows the structure of the bumps and grooves.

[0031] Figure 8 This is a partial structural diagram of an embodiment of the present application, mainly showing the structure of baffle 2 and the card slot.

[0032] Figure 9 for Figure 3 The enlarged view of part B in the middle mainly shows the structure of the slider and the block.

[0033] Figure 10 for Figure 5 The enlarged view of part C in the middle mainly shows the structure of the second slope.

[0034] Explanation of reference numerals: 1. kiln body; 11. main body; 111. heat storage chamber; 112. combustion chamber; 113. opening; 12. slide seat; 121. base; 1211. seat body; 1212. cover plate; 122. extension block; 2. exhaust pipe; 21. water inlet; 22. water outlet; 3. water tank; 4. screw cap; 5. heat conducting member; 51. top plate; 52. support frame; 521. through hole; 6. air inlet pipe; 7. air outlet pipe; 8. material trough; 9. baffle 1; 91. groove; 1 0. Ignition port; 13. Baffle 2; 14. Bump; 15. Slot; 16. Positioning assembly; 161. Slider; 1611. Sleeve portion; 1612. Extension portion; 162. Block; 1621. Connecting portion; 1622. Penetrating portion; 17. Perforation 2; 18. Perforation 1; 19. Slot; 20. Inclined surface 1; 23. Fixing block 1; 231. Notch 1; 24. Clamping rod; 25. Connecting rope; 26. Fixing block 2; 261. Notch 2; 27. Inclined surface 2; 28. Boss. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1-10 This application is described in further detail.

[0036] The present application embodiment discloses a waste heat utilization type kiln. Figure 1-2 The waste heat utilization kiln includes several kiln bodies 1, an exhaust pipe 2 and a water tank 3. The several kiln bodies 1 are distributed at intervals in the circumferential direction. The exhaust pipe 2 is located in the middle of the area surrounded by the several kiln bodies 1. The water tank 3 is arranged on the outside of the exhaust pipe 2. A water inlet 21 and a water outlet 22 are opened on the water tank 3. A screw cover 4 is threadedly connected to the water tank 3, and the screw cover 4 covers the water outlet 22.

[0037] See also Figure 1-5 Each kiln body 1 includes a main body 11 and a slide seat 12. A heat storage chamber 111 and a combustion chamber 112 are provided in the main body 11. The heat storage chamber 111 is located below the combustion chamber 112. A heat conducting member 5 is placed in the heat storage chamber 111. The heat conducting member 5 includes a top plate 51 and a support frame 52. The top plate 51 is attached to the top wall of the heat storage chamber 111. The support frame 52 is located below the top plate 51 and is fixedly connected to the top plate 51, and the support frame 52 abuts the bottom wall of the heat storage chamber 111. A plurality of through holes 521 are provided on the support frame 52. The plurality of through holes 521 are evenly spaced in the transverse and longitudinal directions. Each through hole 521 vertically penetrates the support frame 52, and the plurality of through holes 521 are connected to each other through the holes opened on the inner wall thereof. In this embodiment, the top plate 51 and the support frame 52 are both made of iron.

[0038] See also Figure 1-5 An air inlet pipe 6 and an air outlet pipe 7 are fixed on the outer wall of the main body 11. The air inlet pipe 6 connects the combustion chamber 112 and the heat storage cavity 111 on the adjacent main body 11. The air outlet pipe 7 is connected to the heat storage cavity 111, and the air outlet pipes 7 on several main bodies 11 are connected to the exhaust pipe 2. The through hole 521 is connected to the air inlet pipe 6 and the air outlet pipe 7.

[0039] See also Figure 1-6 An opening 113 is provided on the outer wall of the main body 11, and the opening 113 is connected to the combustion chamber 112. The slide 12 includes a base 121 and an extension block 122. The base 121 includes a seat body 1211 and a cover plate 1212. The seat body 1211 is slidably connected to the opening 113, and the seat body 1211 slides away from or close to the combustion chamber 112. In actual use, a limiting groove is provided on the outer wall of the seat body 1211, and a limiting block is fixed on the main body 11. The limiting block is slidably connected to the limiting groove along the sliding direction of the seat body 1211, and the inner wall of the limiting groove abuts the limiting block, thereby limiting the movement range of the seat body 1211 and preventing the seat body 1211 from separating from the main body 11.

[0040] See also Figure 1-6The cover plate 1212 is fixed to the side of the base body 1211 away from the combustion chamber 112, and the extension block 122 is fixed to the side of the cover plate 1212 away from the combustion chamber 112. A material feeding trough 8 is provided on the outer wall of the base body 1211, and the material feeding trough 8 passes through the base body 1211 upward. A baffle 9 is hinged on the base body 1211. The baffle 9 is located at the end of the material feeding trough 8 away from the cover plate 1212 and at the lower end of the material feeding trough 8, and the baffle 9 is flipped close to or away from the material feeding trough 8, and the hinge axis of the baffle 9 is vertically arranged.

[0041] See also Figure 1-8 , an ignition port 10 is provided on the outer wall of the cover plate 1212 away from the base body 1211, and the ignition port 10 is located below the extension block 122. The ignition port 10 passes through the cover plate 1212 in the direction close to the base body 1211 and is connected to the material trough 8. A baffle 2 13 is also provided on the base body 1211 for lifting and sliding. The baffle 2 13 is located on the side of the baffle 1 9 close to the cover plate 1212 and is located on the side of the cover plate 1212 close to the base body 1211, and the baffle 2 13 is L-shaped. A protrusion 14 is fixed to the end of the baffle 2 13 close to the baffle 1 9. A groove 91 is provided on the outer wall of the baffle 1 9 close to the baffle 2 13. The groove 91 is used for the protrusion 14 to be snapped in. When the protrusion 14 is snapped into the groove 91, the baffle 2 13 is located at the lower end of the material trough 8 and covers the ignition port 10.

[0042] See also Figure 1-9 The upper end surface of the extension block 122 is provided with a slot 15, the slot 15 passes through the extension block 122 in the direction close to the cover plate 1212, and the two ends of the slot 15 pass through the extension block 122. A positioning component 16 is provided on the base 121, and the positioning component 16 includes a slider 161 and a block 162. The slider 161 includes a sleeve portion 1611 and an extension portion 1612. A second through-hole 17 is provided on the outer wall of the sleeve portion 1611. The second through-hole 17 is for the extension block 122 to pass through, and the slot 15 is for the sleeve. The sleeve portion 1611 is snapped into place, and the extension portion 1612 is fixed to one side of the sleeve portion 1611 and located below the second through-hole 17. A first through-hole 18 is provided on the outer wall of the extension portion 1612, and the first through-hole 18 vertically penetrates the extension portion 1612. When the extension block 122 passes through the second through-hole 17 and the sleeve portion 1611 is snapped into place in the slot 15, the extension portion 1612 is located on the side of the sleeve portion 1611 away from the cover plate 1212, and the sleeve portion 1611 is horizontally slidably connected to the extension block 122.

[0043] See also Figure 1-9The block 162 is located in the ignition port 10 and is fixed to the side of the baffle 13 12 close to the cover plate 1212. The block 162 includes a connecting portion 1621 and a penetrating portion 1622. The connecting portion 1621 is fixed to the baffle 13 13. The penetrating portion 1622 is located above the connecting portion 1621 and fixed to the end of the connecting portion 1621 away from the baffle 13. A slot 19 is provided on the outer wall of the penetrating portion 1622. The slot 19 passes through the penetrating portion 1622 along the sliding direction of the seat body 1211. The through-hole 18 is for the penetrating portion 1622 to pass through, and the slot 19 is for the extension portion 1612 to slide into.

[0044] When the baffle 13 moves up until the protrusion 14 is out of the groove 91, the ignition port 10 and the combustion chamber 112 are connected, and the baffle 13 moves up so that the penetration portion 1622 penetrates the perforation 18, and then the sleeve portion 1611 is moved so that the extension portion 1612 is inserted into the slot 19. At this time, the baffle 13 is positioned by the penetration portion 1622 abutting against the extension portion 1612 under the action of gravity.

[0045] See also Figure 1-10 A slope 20 is formed on the inner peripheral wall of the opening 113. The slope 20 is arranged around the opening 113 and tilted outward in the direction away from the combustion chamber 112. The slope 20 is used to abut the cover plate 1212. Two fixing blocks 23 are fixed on the main body 11. The two fixing blocks 23 are respectively located on both sides of the opening 113. A notch 231 is opened on the upper end surface of each fixing block 23. A clamping rod 24 is placed in the notch 231. The clamping rod 24 passes through the two notches 231. The two opposite inner walls of the notch 231 abut the clamping rod 24 to limit the clamping rod 24, so that the clamping rod 24 can only move up and down and axially in the notch 231.

[0046] See also Figure 1-10 A connecting rope 25 is fixed on the card rod 24. The connecting rope 25 is located below the card rod 24 and between the two fixing blocks 23. Both ends of the connecting rope 25 are fixedly connected to the card rod 24. In this embodiment, the connecting rope 25 is a glass fiber high-temperature rope.

[0047] See also Figure 1-10A second fixing block 26 is fixed on the cover plate 1212. The second fixing block 26 is located on the side of the cover plate 1212 away from the seat body 1211 and above the extension block 122. A second notch 261 is provided on the upper end surface of the second fixing block 26. A second inclined surface 27 is formed on the inner wall of the second notch 261. The second inclined surface 27 is located on the side of the second notch 261 close to the seat body 1211 and is inclined upward in the direction close to the seat body 1211. The second notch 261 is for the clamping rod 24 to be clamped in. A boss 28 is fixed on the cover plate 1212. The boss 28 is located on the side of the cover plate 1212 away from the seat body 1211 and below the first notch 231. The connecting rope 25 is used to hook the boss 28. When the connecting rope 25 hooks the boss 28, the clamping rod 24 is pressed against the second inclined surface 27, and the connecting rope 25 is in a tensioned state.

[0048] See also Figure 1-10 When the seat body 1211 is moved into the combustion chamber 112, the notch 1 231 and the notch 2 261 are aligned, the clamping rod 24 is inserted into the notch 1 231 and the notch 2 261, and the connecting rope 25 is hooked on the protruding column 28. At this time, the connecting rope 25 is in a tensioned state, pulling the clamping rod 24 against the inclined surface 27, thereby squeezing the cover plate 1212 against the inclined surface 1 20, increasing the sealing between the cover plate 1212 and the main body 11 and reducing the entry of oxygen.

[0049] In actual use, when it is necessary to take out the burned material in the trough 8, the connecting rope 25 is separated from the boss 28 and the clamping rod 24 is removed from the notch 1 231 and the notch 2 261, and the base 1211 can be moved out of the opening 113, and then the baffle 2 13 is moved up and positioned by the positioning assembly 16. At this time, the protrusion 14 is separated from the groove 91, and the baffle 1 9 is flipped away from the trough 8, and the material can be taken out of the trough 8.

[0050] After the material to be burned is placed, the baffle 9 is flipped over and close to the feeding trough 8. A contact surface is formed on the seat body 1211 for contacting the baffle 9 to limit the baffle 9, so that the groove 91 on the baffle 9 is aligned with the protrusion 14, and then the seat body 1211 is moved into the combustion chamber 112. After the ignition is completed through the ignition port 10, the sleeve portion 1611 is moved so that the extension portion 1612 is disengaged from the slot 19, and the positioning state of the baffle 2 13 is released. The baffle 2 13 moves downward under the action of gravity, so that the protrusion 14 is stuck in the groove 91 to position the baffle 1 9. At this time, the baffle 2 13 and the baffle 1 9 cover the lower end of the feeding trough 8 together, reducing the situation that the material in the feeding trough 8 falls from the slot of the feeding trough 8 when the subsequent seat body 1211 moves out of the opening 113. At the same time, the baffle 2 13 covers the ignition port 10 to reduce the oxygen entering the combustion chamber 112.

[0051] The implementation principle of a waste heat utilization kiln in the embodiment of the present application is as follows:

[0052] When filling materials into the combustion chamber 112 on the adjacent main body 11, the high-temperature flue gas generated by the combustion in the combustion chamber 112 enters the heat storage cavity 111 on the adjacent main body 11 through the air inlet pipe 6. The high-temperature flue gas transfers the temperature to the heat conductor 5. The heat conductor 5 heats the material in the combustion chamber 112, causing the object to heat up, accelerating the material to reach the ignition point, reducing the fuel consumed in the ignition stage, realizing the one-time utilization of the waste heat, and helping to reduce costs.

[0053] When all the kiln bodies 1 are in use, that is, when materials are being burned in all the combustion chambers 112, high-temperature flue gas enters the exhaust pipe 2 through the air inlet pipe 6, the heat storage chamber 111 and the air outlet pipe 7. The heat is transferred to the water tank 3 through the exhaust pipe 2 to heat the water in the water tank 3. The water in the water tank 3 can be used for daily life, realizing the secondary utilization of waste heat, making full use of the heat energy generated by the combustion of materials in the kiln, and improving the thermal energy utilization rate of the kiln, which is in line with the current trend of energy conservation.

[0054] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A waste heat utilization kiln, characterized by: The invention comprises an exhaust pipe (2), a water tank (3) and a plurality of kiln bodies (1), wherein a heat storage chamber (111) and a combustion chamber (112) are provided in the kiln body (1), wherein the heat storage chamber (111) is located below the combustion chamber (112), wherein a heat conducting member (5) is provided in the heat storage chamber (111), wherein the heat conducting member (5) is attached to the top wall of the heat storage chamber (111), and wherein an air inlet pipe (6) and an air outlet pipe (7) are provided on the kiln body (1), wherein the air inlet pipe (6) is connected to the combustion chamber (112). 12) and the heat storage cavity (111) on the adjacent kiln body (1), the air outlet pipe (7) is connected to the heat storage cavity (111), the exhaust pipe (2) is connected to the air outlet pipes (7) on several of the kiln bodies (1), the water tank (3) is sleeved on the outside of the exhaust pipe (2), the water tank (3) is provided with a water inlet (21) and a water outlet (22), the water tank (3) is threadedly connected with a screw cover (4), and the screw cover (4) covers the water outlet (22).

2. The waste heat utilization kiln according to claim 1, characterized in that: The heat-conducting member (5) comprises a top plate (51) and a support frame (52) provided on the top plate (51); the top plate (51) is in contact with the top wall of the heat storage chamber (111); the support frame (52) is located below the top plate (51) and abuts against the bottom wall of the heat storage chamber (111); a plurality of through holes (521) communicating with each other are provided on the support frame (52); the through holes (521) are in communication with the air inlet pipe (6) and the air outlet pipe (7).

3. The waste heat utilization kiln according to claim 1, characterized in that: The kiln body (1) includes a main body (11) and a slide seat (12) slidably connected to the main body (11); the heat storage cavity (111), the combustion chamber (112), the air inlet pipe (6) and the air outlet pipe (7) are all arranged on the main body (11); an opening (113) is provided on the outer wall of the main body (11); the opening (113) is communicated with the combustion chamber (112); the slide seat (12) is slidably connected to the opening (113); and a material trough (8) is provided on the slide seat (12).

4. The waste heat utilization kiln according to claim 3, characterized in that: The slide (12) is provided with an ignition port (10), the ignition port (10) is communicated with the material trough (8), the slide (12) is hinged with a baffle plate (9), the baffle plate (9) is located at the lower end of the material trough (8) and is turned closer to or away from the material trough (8), the slide (12) is also provided with a baffle plate (13) that can be lifted and slid, the baffle plate (13) is provided with a protrusion (14), and the baffle plate (9) is provided with a slot for the protrusion (14) to be engaged. The groove (91) is provided with a second baffle (13). When the protrusion (14) is inserted into the groove (91), the second baffle (13) is located at the lower end of the material trough (8) and covers the ignition port (10). The slide seat (12) is provided with a positioning assembly (16). When the second baffle (13) moves upward until the protrusion (14) is separated from the groove (91), the ignition port (10) and the combustion chamber (112) are connected. The positioning assembly (16) is used to position the second baffle (13).

5. The waste heat utilization kiln according to claim 4, characterized in that: The positioning assembly (16) includes a slider (161) horizontally connected to the slide seat (12) and a clamping block (162) provided on the baffle plate (13); the slider (161) is provided with a through hole (18) for the clamping block (162) to pass through; and the clamping block (162) is provided with a clamping groove (19) for the slider (161) to slide and clamp into.

6. The waste heat utilization kiln according to claim 5, characterized in that: The slide seat (12) comprises a base (121) slidably connected to the opening (113) and an extension block (122) provided on the base (121); the baffle plate 1 (9), the baffle plate 2 (13), the material trough (8) and the ignition port (10) are all provided on the base (121); the extension block (122) is located on a side of the base (121) away from the combustion chamber (112); a slot (15) is provided on the extension block (122); a through hole 2 (17) is provided on the slider (161) for the extension block (122) to pass through; and the slot (15) is provided for the slider (161) to be inserted into.

7. The waste heat utilization kiln according to claim 6, characterized in that: The base (121) includes a base body (1211) slidably connected to the opening (113) and a cover plate (1212) provided on the base body (1211), the cover plate (1212) is located on a side of the base body (1211) away from the combustion chamber (112), the baffle plate 1 (9), the baffle plate 2 (13) and the material trough (8) are all provided on the base body (1211), the ignition port (10) and the extension block (122) are provided on the cover plate (1212), and an inclined surface 1 (20) is provided on the inner peripheral wall of the opening (113), the inclined surface 1 (20) is inclined outward in a direction away from the combustion chamber (112), and the inclined surface 1 (20) is used to abut the cover plate (1212); The main body (11) is provided with a fixing block (23), the fixing block (23) is located on both sides of the opening (113), the fixing block (23) is provided with a notch (231), a clamping rod (24) is placed in the notch (231), the clamping rod (24) is provided with a connecting rope (25), the two ends of the connecting rope (25) are connected to the clamping rod (24), the cover plate (1212) is provided with a fixing block (26), the fixing block (26) is provided with a notch (261), the inner wall of the notch (261) is provided with a fixing block (261). A second inclined surface (27) is provided, and the second inclined surface (27) is located on the side of the second notch (261) close to the base body (1211) and is inclined upward in the direction close to the base body (1211). The second notch (261) is for the clamping rod (24) to be clamped in. A convex column (28) is provided on the cover plate (1212), and the convex column (28) is located below the first notch (231). When the connecting rope (25) is hooked on the convex column (28), the clamping rod (24) is pressed against the second inclined surface (27), and the connecting rope (25) is in a tensioned state.