Pusher capable of recovering leachate, leachate recovery device and waste incineration device

Abstract

The invention relates to a pusher capable of recycling percolate, a percolate recycling device and a waste incineration device.The pusher comprises a rack, a material pushing trolley, a driving device, a first percolate channel, a second percolate channel, a third percolate channel and an inclination angle adjusting device.The material pushing trolley is arranged on the rack in a sliding mode, and the driving device is in transmission connection with the material pushing trolley; the material pushing trolley comprises an upper-layer trolley body and a lower-layer trolley body, the first percolate channel penetrates through the rack, the second percolate channel penetrates through the lower-layer trolley body and the rack, the third percolate channel penetrates through the upper-layer trolley body and the rack, the first percolate channel, the second percolate channel and the third percolate channel are sequentially arranged, and the inclination angle adjusting device is used for adjusting the included angle between the rack and the horizontal plane. According to the pusher, leachate recovery can be increased, the water content of garbage entering a furnace is reduced, the garbage can be dried more quickly, the combustion efficiency of a fire grate is improved, the conditions that leachate in a slag hopper of a drying section of the fire grate overflows and the interior of an ash hopper is coked are avoided, and interference to operation and maintenance is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of garbage disposal, and in particular to a pusher capable of recovering leachate, a leachate recovery device and a garbage incineration device. Background Art

[0002] With the progress of urbanization, the amount of garbage disposal continues to rise, and the requirements for garbage disposal are getting higher and higher. Garbage incineration is currently a garbage disposal method commonly adopted by countries around the world. It can effectively save land resources, reduce garbage and has a high degree of resource utilization. Among them, the mechanical grate furnace is the most widely used garbage incineration equipment.

[0003] Mechanical grate furnace is generally composed of several sections of grates, usually divided into drying section, combustion section, and burnout section, and each section has an inclination. The garbage needs to be dried, burned, and burned out on each section of the grate in turn, and discharged into the slag well after full combustion. Since the garbage is burned directly on the surface of the mechanical grate, the temperature on the surface of the mechanical grate is extremely high, and the mechanical grate is in a high temperature environment.

[0004] Domestic waste generally has a high moisture content. When the domestic waste is pushed into the mechanical grate furnace by a pusher, the waste on the pushing platform contains leachate. If the leachate enters the furnace of the mechanical grate furnace with the waste and burns, it will cause the calorific value in the furnace to be low, which is not conducive to the full drying and complete combustion of the waste, and reduces the efficiency of the waste incineration power plant.

[0005] The pusher device is conventionally designed to be tilted at 5° as a whole, so as to take gravity into consideration and better transport garbage to the incinerator. Currently, many projects have reported that when the moisture content of the garbage entering the furnace is high, leachate often overflows from the ash hopper in the drying section, causing serious coking inside the ash hopper, which is difficult to clean. Occasionally, it may cause fires in the drying section, causing great trouble to operation and maintenance. Summary of the invention

[0006] The first object of the present invention is to provide a pusher for recovering leachate, so as to increase the recovery of garbage leachate, reduce the moisture content of garbage entering the furnace, dry the garbage faster, improve the combustion efficiency of the grate, avoid the overflow of leachate from the slag hopper of the grate drying section and the coking inside the ash hopper, and reduce the interference with operation and maintenance.

[0007] The second object of the present invention is to provide a leachate recovery device and a garbage incineration device including the above-mentioned pusher capable of recovering leachate.

[0008] To achieve the above object, the present invention provides the following technical solutions:

[0009] A pusher for recovering leachate, comprising a stand, a pusher trolley and a driving device, wherein the pusher trolley is slidably arranged on the stand, the driving device is transmission-connected to a first end of the pusher trolley, the pusher trolley comprises an upper body and a lower body, the length of the upper body is less than the length of the lower body, and the pusher for recovering leachate further comprises:

[0010] a first leachate channel, the first leachate channel sequentially passing through the stand from the inlet to the outlet;

[0011] a second leachate channel, the second leachate channel sequentially passing through the lower vehicle body and the stand from the inlet to the outlet;

[0012] A third leachate channel, wherein the third leachate channel sequentially passes through the upper vehicle body and the stand from the inlet to the outlet, and the third leachate channel, the second leachate channel and the first leachate channel are sequentially arranged from the first end to the second end of the pusher vehicle;

[0013] An inclination adjustment device is drivingly connected to the platform, and is used to adjust the angle between the platform and a horizontal plane.

[0014] In one embodiment of the present application, the stand includes a base plate and a slide rail, a plurality of the base plates are arranged side by side, a first gap is formed between two adjacent base plates and / or between the base plate and the slide rail, the first gap is the inlet of the first leachate channel, the slide rail is arranged on the base plate, and the pusher is arranged on the slide rail.

[0015] In one embodiment of the present application, the width of the first gap is 2mm-4mm.

[0016] In one embodiment of the present application, a first guide plate is disposed inside an end of the frame away from the driving device, the first end of the first guide plate is disposed at the bottom of the frame, the second end of the first guide plate extends in a direction away from the driving device, and the horizontal height of the second end of the first guide plate is higher than the horizontal height of the first end of the first guide plate, so as to guide the leachate to the outlet of the first leachate channel.

[0017] In one embodiment of the present application, the upper surface of the second end of the lower vehicle body includes a plurality of first cover plates arranged side by side, a second gap is formed between two adjacent first cover plates, and the second gap is the inlet of the second leachate channel.

[0018] In one embodiment of the present application, the upper surface of the upper vehicle body includes a plurality of second cover plates arranged side by side, and a third gap is formed between two adjacent second cover plates, and the third gap is the inlet of the third leachate channel.

[0019] In one embodiment of the present application, a second guide plate is disposed inside one end of the upper vehicle body close to the driving device, a first end of the second guide plate is disposed at the bottom of the upper vehicle body, a second end of the second guide plate extends in a direction away from the driving device, a horizontal height of the second end of the second guide plate is higher than a horizontal height of the first end of the second guide plate, and the second guide plate is used to guide the leachate in the third leachate channel to one end of the lower vehicle body close to the driving device;

[0020] A third guide plate is provided at one end of the frame close to the driving device, the first end of the third guide plate is provided on the frame, the second end of the third guide plate extends toward the driving device, the horizontal height of the second end of the third guide plate is higher than the horizontal height of the first end of the third guide plate, the projection of the first end of the second guide plate on the third guide plate in the vertical direction is located between the first end and the second end of the third guide plate, and the third guide plate is used to guide the leachate in the third leachate channel to the outlet of the third leachate channel.

[0021] In one embodiment of the present application, a baffle is provided at one end of the upper vehicle body close to the driving device, and the baffle is used to allow the leachate to flow into the third gap.

[0022] In one embodiment of the present application, the second gap and the third gap both extend along the sliding direction of the pusher cart, and the width of the second gap and the third gap is 6mm-12mm.

[0023] In one embodiment of the present application, the inclination adjustment device includes a plurality of adjustment mechanisms, each of which is sequentially arranged at the bottom of the frame along the sliding direction of the pusher cart, and the height of the adjustment mechanism is adjustable.

[0024] In one embodiment of the present application, the frame is provided with side guide plates on both sides of the sliding direction of the pusher, and the side guide plates are used to prevent the leachate from flowing into the furnace from both sides of the frame and the pusher.

[0025] A leachate recovery device, comprising:

[0026] A pusher, wherein the pusher is a pusher for recovering leachate as described in any one of the above items;

[0027] A collecting hopper is arranged below the stand of the pusher for recovering the leachate, and an upper opening of the collecting hopper is connected to the outlets of the first leachate channel, the second leachate channel and the third leachate channel of the pusher for recovering the leachate.

[0028] A garbage incineration device comprises the leachate recovery device as described above.

[0029] It can be seen from the above technical scheme that the present invention discloses a pusher for recovering leachate, which includes a stand, a pusher and a driving device, the pusher is slidably arranged on the stand, the driving device is transmission-connected to the first end of the pusher, the pusher includes an upper body and a lower body, the length of the upper body is less than the length of the lower body, the pusher for recovering leachate also includes a first leachate channel, a second leachate channel, a third leachate channel and an inclination adjustment device, wherein the first leachate channel is along the direction from the inlet to the outlet The first leachate channel passes through the frame in sequence, the second leachate channel passes through the lower vehicle body and the frame in sequence from the inlet to the outlet, the third leachate channel passes through the upper vehicle body and the frame in sequence from the inlet to the outlet, and the third leachate channel, the second leachate channel and the first leachate channel are arranged in sequence from the first end to the second end of the pusher vehicle. The outlets of the first leachate channel, the second leachate channel and the third leachate channel are all set at the bottom of the frame, and the inclination adjusting device is transmission connected to the frame, and the inclination adjusting device is used to adjust the angle between the frame and the horizontal plane.

[0030] When in use, the angle between the stand and the horizontal plane can be adjusted by the inclination adjustment device. For example, the stand can be adjusted to a horizontal or negative angle setting. The negative angle of the stand is set to a level where the horizontal height of the end of the stand close to the furnace is higher than the horizontal height of the end of the stand away from the furnace. Compared with the stand tilted at a positive angle of 5° in the prior art, the leachate is less likely to flow into the furnace, that is, the leachate is more likely to flow toward the inlet direction of the first leachate channel, the second leachate channel and the third leachate channel. By setting a plurality of leachate channels, the collection path of the leachate at the pusher can be increased. Increase the collection of leachate. Therefore, through the above-mentioned angle adjustment of the stand and the setting of multiple leachate collection paths, the leachate recovery efficiency and recovery volume can be effectively increased, the environmental impact caused by leachate overflow can be reduced, the corrosion of downstream equipment can be reduced, the flow of leachate to the grate can be reduced, the fire in the wind chamber under the grate of the drying section can be prevented, the frequency of cleaning the ash hopper in the drying section can be reduced, the labor input for cleaning can be reduced, the risk of fire in the drying section can be reduced, the overall service life of the ash hopper in the drying section can be extended, the time for garbage to dry in the drying section can be reduced, the combustion can be optimized, the combustion efficiency of the grate can be improved, and the boiler power output can be increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 A schematic diagram of a horizontally arranged pusher for recovering leachate provided in an embodiment of the present invention;

[0033] Figure 2 A schematic diagram of the structure of a pusher with a negative angle arrangement for recovering leachate provided in an embodiment of the present invention;

[0034] Figure 3 A partial cross-sectional view of a pusher for recovering leachate provided in an embodiment of the present invention;

[0035] Figure 4 A top view of a stand of a pusher for recovering leachate provided in an embodiment of the present invention;

[0036] Figure 5 A cross-sectional view of a pusher vehicle of a pusher capable of recovering leachate provided in an embodiment of the present invention;

[0037] Figure 6 A top view of a pusher vehicle of a pusher capable of recovering leachate provided in an embodiment of the present invention;

[0038] Figure 7 A schematic structural diagram of a first cover plate of a pusher vehicle of a pusher capable of recovering leachate provided in an embodiment of the present invention;

[0039] Figure 8 A schematic structural diagram of a pusher for recovering leachate with side guide plates provided in an embodiment of the present invention.

[0040] In the figure:

[0041] 1 is a stand; 110 is a bottom plate; 120 is a slide rail; 2 is a pusher; 210 is an upper vehicle body; 220 is a lower vehicle body; 230 is a first cover plate; 2301 is a first groove; 240 is a second cover plate; 250 is a second gap; 260 is a third gap; 3 is a driving device; 4 is an adjusting mechanism; 5 is a leachate flow path of the first leachate channel; 6 is a leachate flow path of the second leachate channel; 7 is a leachate flow path of the third leachate channel; 8 is a first guide plate; 9 is a second guide plate; 10 is a third guide plate; 11 is a baffle plate; 12 is a collecting bucket; 13 is a first guide plate; 14 is a second guide plate. DETAILED DESCRIPTION

[0042] One of the core points of the present invention is to provide a pusher for recovering leachate. The structural design of the pusher for recovering leachate enables it to increase the recovery of garbage leachate, reduce the moisture content of garbage entering the furnace, dry the garbage faster, improve the combustion efficiency of the grate, and avoid the overflow of leachate from the slag hopper of the grate drying section and the coking inside the ash hopper, thereby reducing interference with operation and maintenance.

[0043] Another core of the present invention is to provide a leachate recovery device and a garbage incineration device including the above-mentioned pusher capable of recovering leachate.

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] See also Figures 1 to 3 , Figure 1 A schematic diagram of a horizontally arranged pusher for recovering leachate provided in an embodiment of the present invention, Figure 2 A schematic diagram of the structure of a pusher with a negative angle arrangement for recovering leachate provided in an embodiment of the present invention, Figure 3 A partial cross-sectional view of a pusher for recovering leachate provided in an embodiment of the present invention.

[0046] Disclosed in an embodiment of the present invention is a pusher for recovering leachate, which includes a frame 1, a pusher trolley 2 and a driving device 3. The pusher trolley 2 is slidably arranged on the frame 1, and the driving device 3 is transmission-connected to a first end of the pusher trolley 2. The pusher trolley 2 includes an upper body 210 and a lower body 220, and the length of the upper body 210 is less than the length of the lower body 220.

[0047] On the basis of the above structure, the pusher for recovering leachate also includes a first leachate channel, a second leachate channel, a third leachate channel and an inclination adjustment device, wherein the first leachate channel sequentially passes through the rack 1 from the inlet to the outlet, that is, the inlet of the first leachate channel is arranged at the bottom of the rack 1, the second leachate channel sequentially passes through the lower vehicle body 220 and the rack 1 from the inlet to the outlet, that is, the inlet of the second leachate channel is arranged on the upper surface of the lower vehicle body 220, and the third leachate channel sequentially passes through the lower vehicle body 220 and the rack 1 from the inlet to the outlet, that is, the inlet of the second leachate channel is arranged on the upper surface of the lower vehicle body 220, and the third leachate channel sequentially passes through the lower vehicle body 220 and the rack 1 from the inlet to the outlet. The direction from the inlet to the outlet passes through the upper vehicle body 210 and the stand 1 in sequence, that is, the inlet of the third leachate channel is arranged on the upper surface of the upper vehicle body 210, and along the direction from the first end to the second end of the pusher vehicle 2, the third leachate channel, the second leachate channel and the first leachate channel are arranged in sequence, and the outlets of the first leachate channel, the second leachate channel and the third leachate channel are all arranged at the bottom of the stand 1, and the inclination adjustment device is transmission-connected to the stand 1, and the inclination adjustment device is used to adjust the angle between the stand 1 and the horizontal plane.

[0048] When used, the angle between the stand 1 and the horizontal plane can be adjusted by the inclination adjustment device. For example, the stand 1 can be adjusted to be horizontal (such as Figure 1 ) or negative angles (such as Figure 2 As shown), the negative angle of the stand 1 is set to a horizontal height at one end of the stand 1 close to the furnace that is higher than the horizontal height at the end of the stand 1 away from the furnace. Compared with the stand 1 tilted at a positive angle of 5° in the prior art, the leachate is less likely to flow into the furnace, that is, the leachate is more likely to flow toward the inlet direction of the first leachate channel, the second leachate channel and the third leachate channel. By setting a plurality of leachate channels, the collection path of the leachate at the pusher can be increased, thereby increasing the collection of the leachate.

[0049] Of course, in order to further increase the leachate collection capacity, the length of the pusher in the furnace can also be increased, thereby increasing the residence area and residence time of the garbage at the pusher, thereby increasing the collection of leachate.

[0050] Compared with the prior art, the pusher for recoverable leachate provided in the embodiment of the present invention can effectively increase the leachate recovery efficiency and recovery amount through the above-mentioned angle adjustment of the stand 1 and the setting of multiple leachate collection paths, reduce the environmental impact problems caused by leachate overflow, reduce corrosion of downstream equipment, reduce the flow of leachate to the grate, prevent the fire in the wind chamber under the grate of the drying section, reduce the frequency of cleaning the ash hopper in the drying section, reduce the labor input for cleaning, reduce the risk of fire in the drying section, extend the overall service life of the ash hopper in the drying section, reduce the time for garbage to dry in the drying section, optimize combustion, improve the combustion efficiency of the grate, and improve the boiler power generation.

[0051] like Figure 4As shown, in one embodiment of the present application, the stand 1 includes a base plate 110 and a slide rail 120. Multiple base plates 110 are arranged side by side, and a first gap is formed between two adjacent base plates 110 and / or between the base plate 110 and the slide rail 120. The first gap is the inlet of the first leachate channel. The leachate in the first leachate channel flows into the collecting bucket 12 below through the third gap. Multiple first gaps are arranged at the bottom of the stand 1. The projection of the upper end opening of the collecting bucket 12 on the stand 1 covers all the first gaps to ensure that the leachate flowing down the first gap can completely fall into the collecting bucket 12.

[0052] The slide rail 120 is disposed on the bottom plate 110, and the pusher trolley 2 is disposed on the slide rail 120. Figure 4 As shown, a plurality of slide rails 120 are arranged side by side at intervals on the bottom plate 110, and the pusher 2 slides with each slide rail 120, and the slide rail 120 supports the pusher 2 and ensures that the pusher 2 moves stably in a predetermined direction. Preferably, in one embodiment of the present application, the width of the first gap is 2mm-4mm.

[0053] Since the pusher 2 can slide back and forth relative to the stand 1, in order to ensure that the leachate in the first leachate channel can flow into the collecting hopper 12 below the stand 1, in one embodiment of the present application, Figure 3 As shown, a first guide plate 8 is provided inside the end of the stand 1 away from the driving device 3, the first end of the first guide plate 8 is provided at the bottom of the stand 1, the second end of the first guide plate 8 extends in a direction away from the driving device 3, and the horizontal height of the second end of the first guide plate 8 is higher than the horizontal height of the first end of the first guide plate 8, that is, the first guide plate 8 is inclined, the first end of the first guide plate 8 is located at the upper end opening of the collecting bucket 12, and the second end of the first guide plate 8 extends to the extreme position beyond the first gap 250 away from the end of the driving device 3, so as to guide the leachate to the outlet of the first leachate channel.

[0054] like Figure 5 and Figure 6 As shown, in one embodiment of the present application, the upper surface of the second end of the lower vehicle body 220 includes a plurality of first cover plates 230 arranged side by side, and a second gap 250 is formed between two adjacent first cover plates 230, and the second gap 250 is the inlet of the second leachate channel, such as Figure 7 As shown, in a specific embodiment, a first groove 2301 is provided on one side of the first cover plate 230, wherein the first groove 2301 of one first cover plate 230 cooperates with the edge of an adjacent first cover plate 230 to form the above-mentioned second gap 250. Of course, the first grooves 2301 can also be provided on both sides of the first cover plate 230 at the same time, and the first grooves 2301 of two adjacent first cover plates 230 cooperate with each other to form the second gap 250.

[0055] like Figures 3 to 6 As shown, in one embodiment of the present application, the upper surface of the upper vehicle body 210 includes a plurality of second cover plates 240 arranged side by side, and a third gap 260 is formed between two adjacent second cover plates 240, and the third gap 260 is the inlet of the third leachate channel. In a specific embodiment, a second groove is provided on one side of the second cover plate 240, wherein the second groove of one second cover plate 240 cooperates with the edge of an adjacent second cover plate 240 to form the above-mentioned third gap 260. Of course, second grooves can also be provided on both sides of the second cover plate 240 at the same time, and the second grooves of two adjacent second cover plates 240 cooperate with each other to form the third gap 260.

[0056] like Figure 3 and Figure 5 As shown, a second guide plate 9 is provided inside the end of the upper vehicle body 210 close to the driving device 3, the first end of the second guide plate 9 is provided at the bottom of the upper vehicle body 210, the second end of the second guide plate 9 extends in a direction away from the driving device 3, the horizontal height of the second end of the second guide plate 9 is higher than the horizontal height of the first end of the second guide plate 9, and the second guide plate 9 is used to guide the leachate in the third leachate channel to the end of the lower vehicle body 220 close to the driving device 3, so that the leachate in the third leachate channel can obliquely bypass the end of the lower vehicle body 220 close to the driving device 3 and continue to flow downward.

[0057] Furthermore, on the basis of the above-mentioned second guide plate 9, in order to enable the leachate in the third leachate channel to flow from the outlet of the third leachate channel into the collecting bucket 12 below, in one embodiment of the present application, a third guide plate 10 is provided at one end of the stand 1 close to the driving device 3, the first end of the third guide plate 10 is provided on the stand 1, the second end of the third guide plate 10 extends toward the driving device 3, the horizontal height of the second end of the third guide plate 10 is higher than the horizontal height of the first end of the third guide plate 10, the projection of the first end of the second guide plate 9 on the third guide plate 10 in the vertical direction is located between the first end and the second end of the third guide plate 10, so that the leachate left on the second guide plate 9 can fall on the third guide plate 10, and the third guide plate 10 is used to guide the leachate in the third leachate channel to the outlet of the third leachate channel.

[0058] Further optimize the above technical solution, such as Figure 3 and Figure 5 As shown, in one embodiment of the present application, a baffle 11 is provided at one end of the upper vehicle body 210 close to the drive device 3, and the baffle 11 is used to allow the leachate to flow into the third gap 260, thereby preventing the leachate falling on the second cover plate 240 of the upper vehicle body 210 from flowing directly from the end of the upper vehicle body 210 close to the drive device 3 to the outside of the collecting bucket 12.

[0059] Preferably, in one embodiment of the present application, Figure 6 As shown, the second gap 250 and the third gap 260 extend along the sliding direction of the pusher trolley 2, and the width of the second gap 250 and the third gap 260 is 6mm-12mm to ensure that the leachate can smoothly enter the second leachate channel and the third leachate channel.

[0060] In order to facilitate the adjustment of the angle of the stand 1, in one embodiment of the present application, the inclination adjustment device includes a plurality of adjustment mechanisms 4, such as Figure 1 and Figure 2 As shown, each adjustment mechanism 4 is sequentially arranged at the bottom of the stand 1 along the sliding direction of the pusher 2, and the height of the adjustment mechanism 4 is adjustable. When the heights of the adjustment mechanisms 4 are consistent, the stand 1 is arranged horizontally, as shown in FIG. Figure 1 As shown, when the height of each adjusting mechanism 4 gradually increases with the distance from the driving device 3, the stand 1 is arranged at a negative angle, so that the leachate is less likely to flow into the furnace, but flows toward the end of the stand 1 close to the driving device 3.

[0061] Further optimize the above technical solution, such as Figure 8 As shown, the stand 1 is provided with side guide plates on both sides of the sliding direction of the pusher 2, and the side guide plates are used to prevent leachate from flowing into the furnace from both sides of the stand 1 and the pusher 2. The side guide plates include a first guide plate 13 and a second guide plate 14. The height of the first guide plate 13 is greater than the height of the second guide plate 14. The upper edge height of the first guide plate 13 is not lower than the height of the second cover plate 240. The upper edge height of the second guide plate 14 exceeds the upper edge height of the stand 1. Multiple first guide plates 13 are arranged side by side on both sides of the pusher 2. Along the sliding direction of the pusher 2, the total span of each first guide plate 13 is greater than or equal to the stroke of the upper body 210 of the pusher 2. Multiple second guide plates 14 are arranged side by side on the side of the first guide plate 13 away from the driving device 3 to prevent leachate from flowing out of the furnace from both sides of the stand 1.

[0062] An embodiment of the present application also provides a leachate recovery device, which includes a pusher and a collecting hopper 12, wherein the pusher is the pusher for recovering leachate as described in the above embodiment; the collecting hopper 12 is arranged below the stand 1 of the pusher for recovering leachate, and the upper end opening of the collecting hopper 12 is connected to the outlets of the first leachate channel, the second leachate channel and the third leachate channel of the pusher for recovering leachate. Since the leachate recovery device adopts the pusher for recovering leachate in the above embodiment, please refer to the above embodiment for the technical effect of the leachate recovery device.

[0063] Based on the above-mentioned leachate recovery device, an embodiment of the present application further provides a waste incineration device, which includes the leachate recovery device as described above. It should be noted that the waste incineration device includes but is not limited to a mechanical grate furnace.

[0064] The pusher of the #2 incinerator in a certain project adopted the pusher with recoverable leachate in the above-mentioned embodiment, and collected the leachate from the collecting bucket 12 of the #1 incinerator and the #2 incinerator in the project for 24 hours. After the pusher of the #2 incinerator was modified, the amount of leachate in the collecting bucket 12 increased significantly. The collection amount of the collecting bucket 12 of the unmodified #1 incinerator was 0.208m3, and the collection amount of the collecting bucket 12 of the modified #2 incinerator was 0.97m3. The amount of leachate after the modification was 0.762m3 more than that before the modification, and the amount of leachate after the modification was 4.66 times that of the unmodified leachate. See Table 1 for details. The average gas production of the #2 incinerator is 0.02t / t higher than that of the #1 incinerator.

[0065] Table 1

[0066]

[0067] It can be seen that by improving the pusher, the amount of leachate recovered can be effectively increased, the moisture content of the garbage entering the furnace can be reduced, thereby improving the drying efficiency of the garbage, preventing the fire in the wind chamber under the grate of the drying section, reducing the frequency of cleaning the ash hopper in the drying section, reducing the labor input for cleaning, reducing the risk of fire in the drying section, extending the overall service life of the ash hopper in the drying section, reducing the time for garbage to dry in the drying section, optimizing combustion, improving the combustion efficiency of the grate, and increasing the boiler's ton power.

[0068] It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0069] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the core idea of ​​the present invention. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present invention, the present invention can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A pusher for recovering leachate, comprising a frame, a pusher trolley and a driving device, wherein the pusher trolley is slidably arranged on the frame, the driving device is transmission-connected to a first end of the pusher trolley, the pusher trolley comprises an upper body and a lower body, the length of the upper body is shorter than the length of the lower body, and is characterized in that: The pusher for recovering the leachate also includes: a first leachate channel, the first leachate channel sequentially passing through the stand from the inlet to the outlet; a second leachate channel, the second leachate channel sequentially passing through the lower vehicle body and the stand from the inlet to the outlet; A third leachate channel, wherein the third leachate channel sequentially passes through the upper vehicle body and the stand from the inlet to the outlet, and the third leachate channel, the second leachate channel and the first leachate channel are sequentially arranged from the first end to the second end of the pusher vehicle; An inclination adjustment device is drivingly connected to the platform, and is used to adjust the angle between the platform and a horizontal plane.

2. The pusher for recovering leachate according to claim 1, characterized in that: The stand includes a base plate and a slide rail. A plurality of the base plates are arranged side by side. A first gap is formed between two adjacent base plates and / or between the base plate and the slide rail. The first gap is the inlet of the first leachate channel. The slide rail is arranged on the base plate, and the pusher is arranged on the slide rail.

3. The pusher for recovering leachate according to claim 2, characterized in that: The width of the first gap is 2 mm-4 mm.

4. The pusher for recovering leachate according to claim 2, characterized in that: A first guide plate is arranged inside the end of the frame away from the driving device, the first end of the first guide plate is arranged at the bottom of the frame, the second end of the first guide plate extends in a direction away from the driving device, and the horizontal height of the second end of the first guide plate is higher than the horizontal height of the first end of the first guide plate, so as to guide the leachate to the outlet of the first leachate channel.

5. The pusher for recovering leachate according to any one of claims 1 to 4, characterized in that: The upper surface of the second end of the lower vehicle body includes a plurality of first cover plates arranged side by side, and a second gap is formed between two adjacent first cover plates, and the second gap is the inlet of the second leachate channel.

6. The pusher for recovering leachate according to claim 5, characterized in that: The upper surface of the upper vehicle body includes a plurality of second cover plates arranged side by side, and a third gap is formed between two adjacent second cover plates. The third gap is the inlet of the third leachate channel.

7. The pusher for recovering leachate according to claim 6, characterized in that: A second guide plate is disposed inside one end of the upper vehicle body close to the driving device, a first end of the second guide plate is disposed at the bottom of the upper vehicle body, a second end of the second guide plate extends in a direction away from the driving device, a horizontal height of the second end of the second guide plate is higher than a horizontal height of the first end of the second guide plate, and the second guide plate is used to guide the leachate in the third leachate channel to one end of the lower vehicle body close to the driving device; A third guide plate is provided at one end of the frame close to the driving device, the first end of the third guide plate is provided on the frame, the second end of the third guide plate extends toward the driving device, the horizontal height of the second end of the third guide plate is higher than the horizontal height of the first end of the third guide plate, the projection of the first end of the second guide plate on the third guide plate in the vertical direction is located between the first end and the second end of the third guide plate, and the third guide plate is used to guide the leachate in the third leachate channel to the outlet of the third leachate channel.

8. The pusher for recovering leachate according to claim 6, characterized in that: A baffle is provided at one end of the upper vehicle body close to the driving device, and the baffle is used to allow the leachate to flow into the third gap.

9. The pusher for recovering leachate according to claim 4, characterized in that: The second gap and the third gap both extend along the sliding direction of the pusher cart, and the width of the second gap and the third gap is 6mm-12mm.

10. The pusher for recovering leachate according to any one of claims 1-4 and 6-9, characterized in that: The inclination adjustment device includes a plurality of adjustment mechanisms, each of which is sequentially arranged at the bottom of the platform along the sliding direction of the pusher trolley, and the height of the adjustment mechanism is adjustable.

11. The pusher for recovering leachate according to any one of claims 1-4 and 6-9, characterized in that: The frame is provided with side guide plates on both sides of the sliding direction of the pusher respectively, and the side guide plates are used to prevent the leachate from flowing into the furnace from both sides of the frame and the pusher.

12. A leachate recovery device, characterized in that: include: A pusher, wherein the pusher is a pusher for recovering leachate according to any one of claims 1 to 11; A collecting hopper is arranged below the stand of the pusher for recovering the leachate, and an upper opening of the collecting hopper is connected to the outlets of the first leachate channel, the second leachate channel and the third leachate channel of the pusher for recovering the leachate.

13. A garbage incineration device, characterized in that: Comprising the leachate recovery device as described in claim 12.

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