CN213362479U

CN213362479U - Full-automatic waste incineration tunnel kiln

Info

Publication number: CN213362479U
Application number: CN202022357466.0U
Authority: CN
Inventors: 郑宗标; 郭泽民; 孙务成
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-04
Anticipated expiration: 2030-10-21

Abstract

The utility model relates to a msw incineration processing apparatus, specific full-automatic msw incineration tunnel kiln that says so. Comprises a tunnel cavity, an upper slideway arranged in the tunnel cavity and a trolley running on the upper slideway; a garage of a tunnel structure is arranged below the tunnel cavity, and a lower slideway is arranged in the garage. The front end of the tunnel cavity is provided with a front end cover, and the rear end of the tunnel cavity is provided with a rear end cover; the front end cover is connected with a feeding mechanism and a front end trolley transferring mechanism, the feeding mechanism is used for feeding the incineration materials into the tunnel cavity, and the trolley transferring mechanism is used for extracting a trolley from the garage and feeding the trolley into the upper slideway; the rear end cover is connected with a trolley recovery mechanism. The tunnel kiln has the advantages that the tunnel kiln adopts a fully-closed kiln structure, the tunnel kiln is reasonable and compact, the automation degree is high, the tail gas emission is less, the heat energy recovery device can convert waste heat generated by garbage combustion into steam for utilization, the heat energy pollution is reduced, and the equipment operation cost is reduced.

Description

Full-automatic waste incineration tunnel kiln

Technical Field

The utility model relates to a msw incineration processing apparatus, specific full-automatic msw incineration tunnel kiln that says so.

Background

An important means for the harmless treatment of the domestic garbage is to incinerate the domestic garbage. The existing garbage incinerator has single function and low automation degree, and is difficult to give consideration to high efficiency and high heat energy utilization rate. The common incinerator has poor sealing performance, low heat energy utilization rate and serious tail gas pollution, and can not realize automatic continuous operation.

The tunnel kiln is a modern continuous sintering thermal equipment and is widely applied to the roasting production of products such as refractory materials and the like. The tunnel kiln is a long straight tunnel, the two sides and the top of the tunnel kiln are provided with fixed walls and vault, and a kiln car runs on a track laid at the bottom. The existing tunnel kiln is externally provided with discharge goods when in use, and in order to facilitate the entry and exit of a loaded kiln car, both ends of the tunnel kiln are open, so that the tunnel kiln has large heat energy loss and serious tail gas pollution, and cannot be used in occasions with higher requirements on environmental protection, such as waste incineration and the like.

Disclosure of Invention

The utility model aims at providing a rational in infrastructure compactness, degree of automation is high, exhaust emissions is few, have heat recovery unit's full-automatic msw incineration tunnel kiln.

In order to solve the above-mentioned object, the utility model adopts the following technical scheme:

the full-automatic refuse incineration tunnel kiln comprises a tunnel cavity, an upper slideway arranged in the tunnel cavity and a trolley running on the upper slideway; the upper end of the tunnel cavity is provided with a water tank, a heat exchange flue penetrates through the water tank and is inserted into the water tank, one end of the heat exchange flue is communicated with the inner cavity of the tunnel cavity, and the other end of the heat exchange flue extends to the outside of the tunnel cavity; air inlets are symmetrically arranged on two side walls of the tunnel cavity and connected with the air blower through an air duct; a garage is arranged below the tunnel cavity, the garage is of a tunnel structure parallel to the tunnel cavity, a lower slideway is arranged in the garage, a front end cover is arranged at the front end of the tunnel cavity, and a rear end cover is arranged at the rear end of the tunnel cavity; the front end cover is connected with a feeding mechanism and a front end trolley transferring mechanism, the feeding mechanism is used for feeding the incineration materials into the tunnel cavity, and the front end trolley transferring mechanism is used for extracting trolleys from the garage and feeding the extracted trolleys onto an upper slideway in the tunnel cavity; the rear end cover is connected with a recovery mechanism; the recovery mechanism is used for recovering the trolley from the upper slideway, cleaning residues on the trolley and conveying the cleaned trolley into the garage.

The recovery mechanism comprises a lifting machine, a lifting platform arranged at the upper end of the lifting machine, and a recovery driving mechanism arranged on the lifting platform and used for pulling the trolley, wherein the lifting machine is used for butting the rear end of the upper slideway and the rear end of the lower slideway in a lifting state and butting the lifting platform in a lowering state.

A cleaning mechanism is arranged above the lifting platform and comprises a bin cover covering the lifting platform, a cleaning track arranged in the bin cover and a cleaning roller arranged on the cleaning track, the cleaning track is parallel to the lifting platform, roller shafts at two ends of the cleaning roller are rotatably arranged on a U-shaped support, a threaded sleeve is arranged in the middle of the U-shaped support, a screw rod is inserted in the threaded sleeve and is parallel to the cleaning track and in transmission connection with a cleaning motor; at least one end of the cleaning roller shaft is fixedly provided with a cleaning gear, and a rack parallel to the screw is constantly meshed with the cleaning gear.

One end of the bin cover is fixedly connected to the rear end cover, the other end of the bin cover is fixedly connected to the upper end of the cleaning box, and a feed inlet of the lifting platform in a butt joint lifting state is formed in the side wall of the cleaning box.

The recovery driving mechanism comprises a lifting driving motor arranged below the lifting platform and a platform gear rotatably arranged on the lifting platform through a bearing, and the platform gear is in transmission connection with the lifting driving motor; the bottom surface of the trolley is provided with a groove which is longitudinally arranged, and a vehicle bottom rack matched with the platform gear is arranged in the groove.

The front-end trolley transfer mechanism comprises a lifter, a lifting platform arranged at the upper end of the lifter, and a push-pull driving mechanism arranged on the lifting platform and used for pulling the trolley, wherein the push-pull driving mechanism comprises a push-pull driving motor arranged below the lifting platform and a push-pull gear rotatably arranged on the lifting platform through a bearing, and the push-pull gear is in transmission connection with the push-pull driving motor.

The lower end of the water tank is connected with a plurality of calandria which are longitudinally arranged, and the lower ends of the calandria are connected with a communicating pipe.

Comb teeth are arranged on one side, facing the cleaning roller, of the U-shaped support.

By adopting the structure, the full-automatic refuse incineration tunnel kiln adopts a fully-closed kiln structure, is reasonable and compact, has high automation degree and less tail gas emission, and the heat energy recovery device can convert the waste heat generated by refuse combustion into steam for utilization, thereby reducing the heat energy pollution and simultaneously reducing the equipment operation cost.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Figure 2 is a cross-sectional view of the tunnel cavity.

Fig. 3 is a sectional view of the cleaning mechanism.

Fig. 4 is a schematic perspective view of the cart.

Figure 5 is a longitudinal cross-sectional view of the cart.

FIG. 6 is a schematic structural diagram of the bottom of the lifting platform.

Detailed Description

As shown in fig. 1, the full-automatic refuse incineration tunnel kiln of the utility model comprises a tunnel cavity 1, an upper slideway 2 arranged in the tunnel cavity 1, and a trolley 3 running on the upper slideway 2; the upper slideway 2 can adopt a rail type structure or a roller type structure, a plurality of freely rotatable rollers 192 are laid on the ground of the tunnel cavity 1 at intervals, the interval between the rollers 192 is not more than half of the length of the trolley 3, and the trolley 3 placed on the rollers 192 can roll forwards along the rollers 192 only by being slightly pushed.

Be provided with garage 4 in tunnel cavity 1's below, garage 4 is the tunnel structure that is on a parallel with tunnel cavity 1, is provided with glide slope 5 in the garage 4, and the structure of glide slope 5 is the same with glide slope 2 to dolly 3 of being convenient for to move on glide slope 2 also can move on glide slope 5. A front end cover 11 is arranged at the front end of the tunnel cavity 1, a rear end cover 12 is arranged at the rear end of the tunnel cavity, and a pore passage through which only the trolley 3 passes is formed at the joint of the front end cover 11 and the rear end cover 12 with the upper slide 2; the front end cover 11 is connected with a feeding mechanism and a front end trolley transfer mechanism, the feeding mechanism is used for feeding incineration materials into the tunnel cavity 1, a hydraulic cylinder pushing structure shown in fig. 1 can be adopted, a tubular feeding pipe 111 is inserted into the front end cover 11, the tail end of the feeding pipe 111 is connected with a feeding hopper 112, and a pushing rod 113 pushed by a hydraulic cylinder 114 is arranged at the bottom of the feeding hopper 112 and corresponds to the position of the feeding pipe 111. The hydraulic cylinder 114 pushes the push rod 113 to reciprocate, so that the materials such as garbage in the hopper 112 are continuously pushed into the feeding pipe 111, pass through the feeding pipe 111 and enter the tunnel cavity 1. The feeding pipe 111, the feeding hopper 112 and the push rod 113 are made of refractory metal materials, the garbage materials can be ignited in the feeding hopper 112, and a flame spraying pipe can be arranged in the tunnel cavity 1 and ignited after the garbage materials are fed into the tunnel cavity 1. The structure and operation of the flame-throwing tube are well known in the art and will not be described in detail herein.

The front-end trolley transfer mechanism is used for extracting a trolley 3 from the garage 4 and conveying the extracted trolley 3 onto the upper slideway 2 in the tunnel cavity 1.

The rear end cover 12 is connected with a recovery mechanism; the recovery mechanism is used for recovering the trolley 3 from the upper slideway 2, cleaning residues on the trolley 3 and sending the cleaned trolley 3 into the garage 4. Because the dolly 3 just loads the rubbish material after getting into tunnel cavity 1, consequently as long as set up just can allow the opening 193 that dolly 3 passes through on front end housing 11 and rear end cap 12 can, like this, tunnel cavity 1's leakproofness is very improved, can avoid poisonous, harmful gas to spill over when improving the heat preservation effect, reduces tail gas pollution.

As shown in fig. 1, the recovery mechanism includes a lifting machine 6, a lifting platform 61 disposed at the upper end of the lifting machine 6, and a recovery driving mechanism disposed on the lifting platform 61 for pulling the trolley 3, wherein the lifting platform 61 abuts against the rear end of the upper chute 2 in a lifted state of the lifting machine 6, and the lifting platform 61 abuts against the rear end of the lower chute 5 in a lowered state of the lifting machine. The lifting machine 6 may be a hydraulic lifting machine in this embodiment, or a motor-driven lifting machine or other lifting machines commonly used in the prior art, as long as the lifting platform 61 can be lifted or lowered to be respectively abutted to the rear end of the upper chute 2 or the rear end of the lower chute 5.

A cleaning mechanism is arranged above the lifting platform 61, the cleaning mechanism comprises a bin cover 71 covering the lifting platform 61, a cleaning track 72 arranged in the bin cover 71, and a cleaning roller 73 mounted on the cleaning track 72, the cleaning track 72 is parallel to the lifting platform 61, and the cleaning roller 73 sweeps the trolley 3 on the lifting platform 61 when moving along the cleaning track 72, so that the residual burnt ashes on the trolley 3 can be cleaned. The cleaning roller 73 comprises a rotating roller shaft and filiform bristles planted in the middle section of the roller shaft, the bristles can be made of plastic wires or high-temperature-resistant stainless steel wires, and the densely planted bristles have good elasticity and cleaning effect.

As shown in fig. 3, the roller shafts at both ends of the cleaning roller 73 are rotatably mounted on a U-shaped bracket 713, a screw sleeve 712 is arranged in the middle of the U-shaped bracket 713, a screw 711 is inserted into the screw sleeve 712, and the screw 711 is parallel to the cleaning track 72 and is in transmission connection with a cleaning motor 714; a cleaning gear 731 is fixedly mounted on at least one end of a roller shaft of the cleaning roller 73, and a rack 732 parallel to the screw 711 is constantly engaged with the cleaning gear 731. In the cleaning process, the cleaning motor 714 drives the screw 711 to rotate, and drives the cleaning roller 73 to move axially along the screw 711 to sweep the upper surface of the trolley 3; when the cleaning roller 73 moves, the cleaning gear 731 moves on the rack 732 to push the cleaning roller 73 to rotate, and the ash on the surface of the cart 3 is cleaned and gathered by the densely planted bristles. The rack 732 may be disposed above the cleaning gear 731, or may be disposed below the cleaning gear 731, and any one of the configurations may be selected as necessary. The difference between these two configurations is that the cleaning roller 73 rotates in a different direction when the cleaning roller 73 moves in the axial direction of the screw 711, that is, in a different direction when the upper surface of the cart 3 is cleaned.

In addition, steel wires which are not easily burned or large residues which are not completely burned may be mixed into the garbage ash, and may adhere to the cleaning roller 73 during cleaning. As shown in fig. 3, the U-shaped frame 713 is provided with comb teeth 715 on a side facing the cleaning roller 73, and the bristles of the cleaning roller 73 are continuously swept across the comb teeth 715 during rotation, so that the residue adhered to the bristles can be combed.

As shown in fig. 1, one end of the bin cover 71 is fixedly connected to the rear end cover 12, the other end is fixedly connected to the upper end of the cleaning box 8, and a feeding port 81 of the lifting platform 61 in a butt joint and lifting state is arranged on the side wall of the cleaning box 8. The height of the feed opening 81 is flush with that of the trolley 3, and when cleaning, the cleaning roller 73 moves towards the cleaning box 8 from the far end, so that ash on the trolley 3 can be swept into the cleaning box 8 through the feed opening 81. A limit switch 82 may be further disposed on the sidewall of the clean box 8 corresponding to the position of the trolley 3, when the trolley 3 moves towards the clean box 8 and collides with the limit switch 82, the trolley is located, the control device instructs the cleaning mechanism to clean the upper surface of the trolley 3, and the circuit and the operation principle of the control device are well known in the art and will not be described in detail herein. An ash removal port 83 is provided at the lower end of the cleaning tank 8 for periodically removing ash in the cleaning tank 8.

As shown in fig. 1, the recovery driving mechanism comprises a lifting driving motor 62 installed below the lifting platform 61, a platform gear 63 rotatably installed on the lifting platform 61 through a bearing, and the platform gear 63 is in transmission connection with the lifting driving motor 62; as shown in fig. 6, two sets of platform gears 63 are fixedly connected together by a wheel shaft 65, two ends of the wheel shaft 65 are mounted on the bottom surface of the lifting platform 61 by bearings and shaft seats, and a gear window is opened at a position of the lifting platform 61 corresponding to the platform gears 63, so that part of the platform gears 63 extend to the upper surface of the lifting platform 61 through the gear window and protrude from the upper surface. A chain wheel 66 is mounted on the middle section of the wheel shaft 65, and is in transmission connection with the lifting drive motor 62 through the chain wheel 66 and a chain. Of course, the lifting driving motor 62 and the platform gear 63 can also be connected through a transmission gear. As shown in fig. 4 and 5, the bottom surface of the trolley 3 is provided with a longitudinally arranged groove, and a chassis rack 64 matched with the platform gear 63 is arranged in the groove. The bottom surface of the trolley 3 is provided with two sets of chassis racks 64, and at least 4 platform gears 63 are arranged in pairs, distributed at four corners and respectively corresponding to the two sets of chassis racks 64. In case the trolley 3 coming out of the tunnel cavity 1 is pushed to the lifting platform 61, the chassis rack 64 at the bottom of the trolley 3 is meshed with the platform gear 63, the lifting driving motor 62 starts to work at the moment, the trolley 3 can be completely pulled out of the tunnel cavity 1 until the trolley runs to the middle of the lifting platform 61, and the four platform gears 63 are supported at four corners of the trolley 3. The carriage 3 can now be cleaned by the cleaning mechanism. After the cart 3 is cleaned, the lifting platform 61 is lowered and abutted against the rear end of the chute 5, and then the lifting drive motor 62 is rotated reversely to push the cart 3 into the chute 5.

The front-end trolley transfer mechanism comprises a lifter 9, a lifting platform 91 arranged at the upper end of the lifter 9 and a push-pull driving mechanism arranged on the lifting platform 91 and used for pulling the trolley 3, wherein the push-pull driving mechanism comprises a push-pull driving motor 92 arranged below the lifting platform 91 and a push-pull gear 93 rotatably arranged on the lifting platform 91 through a bearing, and the push-pull gear 93 is in transmission connection with the push-pull driving motor 92. The push-pull driving mechanism has the same structural principle as the recovery driving mechanism, and the parameters of the push-pull gear 93 and the installation position of the push-pull gear on the lifting platform 91 are the same as the installation position of the platform gear 63 on the lifting platform 61, so that a trolley capable of running on the recovery driving mechanism can also run on the push-pull driving mechanism.

When the elevator 9 is at a low position, the lifting platform 91 is in butt joint with the front end of the lower slideway 5, once the trolley 3 sent out from the lower slideway 5 enters the lifting platform 91, the chassis rack 64 at the bottom of the trolley 3 is meshed with the push-pull gear 93, the trolley 3 can be dragged to the lifting platform 91 through the push-pull gear 93 when the push-pull driving motor 92 works, the push-pull driving motor 92 stops working after the trolley 3 is in place, the elevator 9 is lifted to a high position, so that the lifting platform 91 is in butt joint with the front end of the upper slideway 2, at the moment, the push-pull driving motor 92 rotates reversely, and the trolley 3 is pushed onto the upper slideway 2 and is sent into the tunnel cavity 1.

As shown in fig. 1 and 2, a water tank 14 is arranged at the upper end of the tunnel cavity 1, a heat exchange flue 15 penetrates through the water tank 14, one end of the heat exchange flue 15 is communicated with the inner cavity of the tunnel cavity 1, and the other end extends to the outside of the tunnel cavity 1; air inlets 16 are symmetrically arranged on two side walls of the tunnel cavity 1, and the air inlets 16 are connected with an air blower 18 through an air duct 17. When the air blower 18 works, air is blown into the air duct 17, fresh air in the air duct 17 is blown into the tunnel cavity 1 through the air inlet 16 and blown to garbage materials on the trolley 3, and the garbage materials are promoted to be fully combusted. The high-temperature hot gas after burning is discharged out of the tunnel cavity 1 through the heat exchange flue 15, the heat exchange flue 15 exchanges heat with water in the water tank 14, and the generated hot water and steam can be used for heat energy recycling. In addition, in order to improve the heat exchange efficiency, the middle section of the heat exchange flue 15 can be designed into a bent pipe or a return pipe to be distributed in the water tank 14, so as to increase the contact area of the water in the heat exchange flue 15 and the water tank 14, meanwhile, the venturi tube 151 is connected to the outside of the heat exchange flue 15 in the vertical direction, the heat exchange flue 15 is communicated with the narrow part of the venturi tube 151, and the fan 152 is installed at one end of the venturi tube 151. In operation, the fan 152 blows air to form a high-speed airflow in the venturi tube 151, thereby forming a suction effect on the heat exchange flue 15 and forcibly discharging smoke.

Further, a plurality of discharge pipes 19 are connected to a lower end of the tank 14, and a communication pipe 191 is connected to a lower end of the discharge pipe 19. The calandria 19 and the communicating pipe 191 are arranged at two sides of the upper slideway 2 to form a net-shaped heat exchanger, which can absorb the radiation heat generated during the combustion of the garbage and improve the heat exchange efficiency.

When the full-automatic waste incineration tunnel kiln works, the trolleys 3 are fully arranged on the upper slideway 2 and the lower slideway 5 to form an upper slideway trolley queue and a lower slideway trolley queue respectively. In the initial state, the lifting platform 91 and the lifting platform 61 are both in high positions and are respectively butted with two ends of the upper slideway 2, the lifting platform 91 is provided with a trolley, and the lifting platform 61 is in an idle state. When the front-end trolley transfer mechanism feeds a trolley into the tunnel cavity 1 through the lifting platform 91, the upper-slideway trolley queue on the upper slideway 2 is sequentially pushed to move forward by a parking space, and the trolley at the foremost end of the queue is pushed out of the rear end of the tunnel cavity 1 and is conveyed to the lifting platform 61 of the recovery mechanism; the trolley at the rearmost end of the queue and just entering the tunnel cavity 1 receives the incineration materials fed by the feeding mechanism, burns and moves forwards. After the trolley pushed out of the tunnel cavity 1 is cleaned, the lifting platform 61 is lowered to a low position, and meanwhile, the lifting platform 91 is also lowered to the low position; after the lifting platform 61 is lowered to the low position, the trolleys on the platform are pushed into the lower slideway 5 by the recovery mechanism, the lower slideway trolley queue on the lower slideway 5 is sequentially pushed to move forward by a parking space, the trolley at the foremost end of the queue is pushed out of the front end of the tunnel cavity 1 and is sent to the lifting platform 91 of the front end trolley transfer mechanism, and then the lifting platform 91 and the lifting platform 61 are simultaneously lifted to the high position to repeatedly perform the next round of operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A full-automatic refuse incineration tunnel kiln comprises a tunnel cavity (1), an upper slideway (2) arranged in the tunnel cavity (1), and a trolley (3) running on the upper slideway (2); the method is characterized in that: a water tank (14) is arranged at the upper end of the tunnel cavity (1), and a heat exchange flue (15) penetrates through and is inserted into the water tank (14); air inlets (16) are symmetrically arranged on two side walls of the tunnel cavity (1), and the air inlets (16) are connected with an air blower (18) through an air duct (17); a garage (4) is arranged below the tunnel cavity (1), the garage (4) is of a tunnel structure parallel to the tunnel cavity (1), a lower slideway (5) is arranged in the garage (4), a front end cover (11) is arranged at the front end of the tunnel cavity (1), and a rear end cover (12) is arranged at the rear end of the tunnel cavity; the front end cover (11) is connected with a feeding mechanism and a front end trolley transfer mechanism, the feeding mechanism is used for feeding the incineration materials into the tunnel cavity (1), and the front end trolley transfer mechanism is used for extracting the trolley (3) from the garage (4) and feeding the extracted trolley (3) onto an upper slideway (2) in the tunnel cavity (1); the rear end cover (12) is connected with a recovery mechanism; the recovery mechanism is used for recovering the trolley (3) from the upper slideway (2), cleaning residues on the trolley (3) and conveying the cleaned trolley (3) into the garage (4).

2. The full-automatic refuse incineration tunnel kiln according to claim 1, characterized in that: the recovery mechanism comprises a lifting machine (6), a lifting platform (61) arranged at the upper end of the lifting machine (6), and a recovery driving mechanism arranged on the lifting platform (61) and used for pulling the trolley (3), wherein the lifting machine (6) is used for butting the rear end of the upper slideway (2) and the rear end of the lower slideway (5) in a butt joint mode of the lifting platform (61) in a lifting state and the lifting platform (61) in a lowering state.

3. The full-automatic refuse incineration tunnel kiln according to claim 2, characterized in that: a cleaning mechanism is arranged above the lifting platform (61), the cleaning mechanism comprises a bin cover (71) covering the lifting platform (61), a cleaning track (72) arranged in the bin cover (71), and a cleaning roller (73) arranged on the cleaning track (72), and the cleaning track (72) is parallel to the lifting platform (61); the roll shafts at two ends of the cleaning roll (73) are rotatably arranged on a U-shaped support (713), a threaded sleeve (712) is arranged in the middle of the U-shaped support (713), a screw (711) is inserted into the threaded sleeve (712), and the screw (711) is parallel to the cleaning track (72) and is in transmission connection with a cleaning motor (714); at least one end of the roll shaft of the cleaning roll (73) is fixedly provided with a cleaning gear (731), and a rack (732) parallel to the screw (711) is constantly meshed with the cleaning gear (731).

4. The full-automatic refuse incineration tunnel kiln according to claim 3, characterized in that: one end of the bin cover (71) is fixedly connected to the rear end cover (12), the other end of the bin cover is fixedly connected to the upper end of the cleaning box (8), and a feed port (81) of the lifting platform (61) in a butt joint lifting state is formed in the side wall of the cleaning box (8).

5. The full-automatic refuse incineration tunnel kiln according to claim 2, characterized in that: the recovery driving mechanism comprises a lifting driving motor (62) arranged below the lifting platform (61) and a platform gear (63) rotatably arranged on the lifting platform (61) through a bearing, and the platform gear (63) is in transmission connection with the lifting driving motor (62); the bottom surface of the trolley (3) is provided with a longitudinally arranged groove, and a vehicle bottom rack (64) matched with the platform gear (63) is arranged in the groove.

6. The full-automatic refuse incineration tunnel kiln according to claim 1 or 2, characterized in that: the front-end trolley transfer mechanism comprises a lifter (9), a lifting platform (91) arranged at the upper end of the lifter (9) and a push-pull driving mechanism arranged on the lifting platform (91) and used for pulling the trolley (3), wherein the push-pull driving mechanism comprises a push-pull driving motor (92) arranged below the lifting platform (91) and a push-pull gear (93) rotatably arranged on the lifting platform (91) through a bearing, and the push-pull gear (93) is in transmission connection with the push-pull driving motor (92).

7. The full-automatic refuse incineration tunnel kiln according to claim 1 or 2, characterized in that: the lower end of the water tank (14) is connected with a plurality of calandrias (19) which are longitudinally arranged, and the lower end of the calandria (19) is connected with a communicating pipe (191).

8. The full-automatic refuse incineration tunnel kiln according to claim 3, characterized in that: comb teeth (715) are provided on the side of the U-shaped bracket (713) facing the cleaning roller (73).