Garbage incinerator grate segment capable of moving independently in two directions

Abstract

The invention discloses a garbage incineration fire grate segment capable of moving independently in two directions. The garbage incineration fire grate segment is composed of a fixed fire grate segment, a horizontal sliding fire grate segment and an up-down turning fire grate segment which are sequentially arranged on a fire grate frame. The fixed fire grate segment, the horizontal sliding fire grate segment and the up-down turning fire grate segment are each composed of a fire grate segment body, a fixed shaft assembly arranged at the rear end of the fire grate segment body and used for being assembled with the fire grate frame and a scraper arranged at the front end of the fire grate segment body, and the bottom end of the fire grate segment body is provided with a through groove which is provided with a downward opening and used for hot air circulation. A plurality of parallel heat dissipation rib plates are arranged in the groove in the length direction, a horizontal ventilation channel is formed between every two adjacent heat dissipation rib plates, and a driving mechanism used for driving the horizontal sliding fire grate segments to slide horizontally and driving the vertical turning fire grate segments to turn vertically is arranged on the fire grate frame. By adopting the standardized module structure design, the manufacturing and material cost can be reduced, the problem of high manufacturing cost is solved, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of garbage incinerator grates, and in particular to a garbage incinerator grate piece capable of bidirectional independent movement. Background Art

[0002] Existing imported grate plates are mostly used in the mechanical grate systems of municipal solid waste incinerators, assuming the key functions of carrying, conveying and turning garbage. Their modular design allows for the assembly of multiple grid plates according to the grate width to meet different processing capacity requirements. For example, the width of a single grate can reach several meters, and the daily processing capacity can exceed 800t / d.

[0003] The term "mechanical grate" includes a staggered arrangement of fixed and movable rows of grates, which promotes the drying, stratification and complete combustion of garbage through compound movements such as pushing and turning, ensuring the burnout rate and stability.

[0004] Imported grate plates are often made of high-chromium cast iron or high-alloy heat-resistant steel to withstand combustion temperatures of 800-1000°C and corrosive flue gases, but the material costs are high and the industry is heavily dependent on imports.

[0005] In addition, the design of ventilation cooling or water cooling channels relies on precision casting and drilling processes, which are difficult to manufacture and have a high defect rate, affecting mass production.

[0006] 1. High manufacturing cost: High alloy materials are expensive, and complex modular structures require precision processing, resulting in the overall manufacturing cost accounting for more than 30% of the total equipment price.

[0007] 2. Difficult maintenance: The locking / plugging mechanism between the fixed and movable slices is complicated, the disassembly and assembly work is long, and the furnace needs to be shut down for several hours for inspection and replacement, which affects production continuity.

[0008] 3. Uneven heat dissipation: The cooling channel layout is not optimized, and local overheating can easily lead to cracks and deformation, resulting in a service life of only about 1-1.5 years.

[0009] 4. Lack of domestic support: The domestic supply chain has not formed a complete module production and quality inspection system, relies on imports, and has poor availability of maintenance and accessories. Summary of the Invention

[0010] In order to solve the above technical problems, the present invention provides a garbage incineration grate with two-way independent movement.

[0011] The technical solution of the present invention is: a garbage incineration grate with two-way independent movement, wherein the garbage incineration grate is composed of a fixed grate, a horizontal sliding grate and an up-and-down flipping grate arranged in sequence on a grate frame;

[0012] The fixed grate sheet, the horizontal sliding grate sheet and the up-and-down flipping grate sheet are all composed of a grate sheet body, a fixed shaft assembly arranged at the rear end of the grate sheet body for assembly with the grate frame, and a scraper arranged at the front end of the grate sheet body. The bottom end of the grate sheet body is provided with a through groove opening downward for hot air circulation. Several heat dissipation ribs parallel to each other are provided in the through groove along the length direction. A horizontal ventilation duct is formed between two adjacent heat dissipation ribs.

[0013] The grate frame is provided with a driving mechanism for driving the horizontal sliding grate pieces to slide horizontally and the up and down flipping grate pieces to flip up and down.

[0014] Furthermore, the rear end of the grate plate body of the fixed grate plate is a raised edge, and the rear end of the grate plate body of the horizontal sliding grate plate and the up-and-down flipping grate plate is a flat edge.

[0015] Description: By setting the raised edge on the fixed grate piece, the stability of the fixed grate piece can be increased, and wear can be reduced, damage caused by external force impact can be prevented, and the structural integrity of the grate piece can be protected. At the same time, by setting the flat edge on the horizontal sliding grate piece and the up and down flipping grate piece, the horizontal sliding grate piece can be smoothly slid horizontally on the grate frame, and the up and down flipping grate piece can be flipped up and down on the grate frame, thereby improving the burnout rate and solving the problem of incomplete combustion in the current technology.

[0016] Furthermore, the fixed shaft assembly is composed of two fixed shaft ribs arranged in parallel at the rear end of the grate plate body and a fixed shaft fixedly or rotatably connected to the fixed shaft ribs, and the fixed shaft is assembled with the grate frame by pins.

[0017] Description: The fixed shaft, pin hole and thread design, combined with nut tightening, can effectively maintain a close connection between the grate plates, reducing displacement or loosening during operation. This rigid connection method ensures the stability of the overall structure of the grate and helps to withstand high temperatures and fuel pressure; it also simplifies the assembly and disassembly process of the grate plates, eliminating the need for frequent debugging or replacement of moving parts, reducing maintenance complexity; and the grate plates supported by the fixed shaft can maintain uniform ventilation gaps, ensuring that air is evenly distributed through the longitudinal and transverse gaps between the grate plates, promoting oxygen supply during the fuel combustion stage, thereby improving combustion efficiency. It is easy to cooperate with other grate components (such as support rods and beams) to form a stepped or inclined layout, optimizing the fuel movement path and reducing the need for manual intervention.

[0018] The present invention provides a technical solution for a driving mechanism, which includes a first hydraulic driving device arranged on the grate frame for driving the horizontal sliding grate plate to slide horizontally, and a second hydraulic driving device arranged on the grate frame for driving the up and down flipping grate plate to flip up and down.

[0019] Description: The first hydraulic drive device is used to drive the horizontal sliding grate to slide horizontally. The amount of continuous forward movement of the garbage layer along the grate can be adjusted by the reciprocating speed, thereby determining the thickness of the garbage layer, the residence time and the system processing capacity. The second hydraulic device is used to drive the up and down flipping grate to flip the garbage incineration grate up and down. In addition to the reciprocating sliding, the garbage incineration grate can be flipped up and down to loosen the garbage layer and at the same time blow in combustion air, which is beneficial to drying the garbage surface, igniting and maintaining full combustion, and improving the burnout rate.

[0020] The present invention provides another technical solution of a driving mechanism, which includes a first driving assembly arranged on the grate frame for driving the horizontally sliding grate plate to slide horizontally, and a second driving assembly arranged on the grate frame for driving the up-and-down flipping grate plate to flip up-and-down.

[0021] The first driving assembly is composed of a sliding beam that slides horizontally with the grate frame, two sets of racks arranged along the horizontal sliding direction, and a first hydraulic driving device for driving the sliding beam to slide horizontally.

[0022] The second drive assembly is composed of two groups of eccentric wheel assemblies corresponding one-to-one with the racks and rotatably connected to the grate frame, and a connecting rod used to link the eccentric wheel assembly with the fixed shaft assembly for flipping the grate slices up and down. The eccentric wheel assembly includes an eccentric wheel and a gear connected to the eccentric wheel through a rotating shaft, and the gear is engaged with the rack for transmission.

[0023] Description: Through the driving mechanism formed by the above-mentioned first driving assembly and the second driving assembly, the horizontal sliding grate pieces and the up and down flipping grate pieces can be linked in travel, so that when the horizontal sliding grate pieces slide back and forth, the up and down flipping grate pieces can be synchronously driven to flip up and down, and when the sliding efficiency of the horizontal sliding grate pieces is increased / decreased, the up and down flipping efficiency of the up and down flipping pieces can be synchronously increased / decreased, thereby saving the number of hydraulic drive devices and reducing the maintenance cost and failure rate of multiple hydraulic drive devices.

[0024] Furthermore, the rack is a switchable rack plate, and the first drive assembly further includes a wind pressure movable plate provided on the front end surface of the horizontal sliding grate plate for controlling the switchable rack to switch according to the wind force;

[0025] The switchable rack plate is composed of a plurality of racks with different tooth spacings arranged side by side. The wind pressure movable plate has an extension plate, and the guide block provided on the extension plate is slidably connected to the inclined groove provided on the switchable rack plate, which is used to switch the engagement between different racks on the switchable rack plate and the gear.

[0026] Note: Based on the above-mentioned first drive assembly and second drive assembly, the wind pressure movable plate and the switchable rack plate are set to dynamically adjust the horizontal air volume according to the strength of the horizontal air volume, for example:

[0027] When the wind pressure movable piece is not triggered, the horizontal air volume is small, and the switchable rack plate can be kept on the rack with dense teeth, so that the single-way horizontal sliding grate piece can synchronously drive the up and down flipping grate piece with more reciprocating frequency, thereby strengthening the loosening of the garbage layer and increasing the contact area with air;

[0028] When the wind pressure movable piece is triggered, the horizontal air volume is large, and the switchable rack plate is linked to switch to the rack with sparse teeth, so that the single-way horizontal sliding grate piece can synchronously drive the up and down flipping grate piece with less up and down flipping frequency, reducing the loosening of the garbage layer and increasing the speed of the garbage layer moving forward;

[0029] Through such a setting, the waste incinerator slices can have dynamic control functions and can be dynamically adjusted according to real-time working conditions to ensure the burnout rate while maximizing the processing efficiency of the waste incinerator.

[0030] Furthermore, elastic clamping columns are provided on the inclined slots at positions corresponding to the switching positions of the racks, and the guide blocks are provided with clamping grooves for clamping with the elastic clamping columns.

[0031] Description: The setting of the elastic clamping column and the clamping slot can make the switching start of the wind pressure movable plate on the switchable rack plate more accurate, thereby improving the accuracy and stability of the dynamic regulation of the waste incineration grate slices.

[0032] Furthermore, the wind pressure movable piece has an inwardly concave arc groove.

[0033] Description: The setting of the arc-shaped groove can more effectively and quickly respond to the size of the horizontal air volume, thereby improving the use effect of the wind pressure movable plate.

[0034] The beneficial effects of the present invention are:

[0035] (1) The waste incineration grate of the present invention adopts a standardized modular structure design, which can reduce manufacturing and material costs and solve the problem of high manufacturing costs. In addition, the grate structure design can be disassembled and repaired in less than 30 minutes after the furnace is shut down, which greatly shortens the maintenance time, improves production efficiency, and enhances production continuity.

[0036] (2) The waste incineration grate of the present invention adopts the arrangement of horizontal sliding grate and up and down flipping grate. The horizontal sliding grate can be used to perform horizontal reciprocating motion to push the waste layer forward slowly, and the up and down flipping grate can be used to swing up and down to loosen the waste layer and increase the area of ​​contact between the waste layer and the air, thereby improving the burnout rate. In addition, the sliding speed, flipping frequency and air supply volume of each zone of the drying zone, combustion zone and burnout cooling zone can be set independently to meet the needs of different waste incineration.

[0037] (3) The present invention uses a driving mechanism composed of a first driving assembly and a second driving assembly to link the horizontal sliding grate plates with the up-and-down flipping grate plates, so that when the sliding efficiency of the horizontal sliding grate plates is increased / decreased, the up-and-down flipping efficiency of the grate plates can be increased / decreased synchronously, thereby saving the number of hydraulic drive devices and reducing the maintenance workload and cost caused by the use of multiple hydraulic drive devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a structural schematic diagram of the fixed grate plate of the present invention;

[0039] Figure 2 It is a bottom view of the fixed grate plate of the present invention;

[0040] Figure 3 This is a schematic diagram of the structure of the grate plate body of the fixed grate plate of the present invention;

[0041] Figure 4 It is a structural schematic diagram of the horizontal sliding grate of the present invention;

[0042] Figure 5 is a bottom view of the horizontal sliding grate of the present invention;

[0043] Figure 6 This is a schematic diagram of the structure of the grate plate body of the horizontal sliding grate plate of the present invention;

[0044] Figure 7 This is a schematic diagram of the structure of the up-and-down flipping grate of the present invention;

[0045] Figure 8 This is a bottom view of the up-and-down flipping grate of the present invention;

[0046] Figure 9 This is a schematic diagram of the structure of the grate plate body of the present invention that can be flipped up and down;

[0047] Figure 10 2 is a schematic diagram of the driving mechanism structure of Example 2 of the present invention;

[0048] Figure 11 2 is a schematic diagram of the driving mechanism structure of Example 3 of the present invention;

[0049] Figure 12 Schematic diagram of the assembly relationship between the wind pressure movable plate and the horizontal sliding grate plate of Example 3 of the present invention;

[0050] Figure 13 Schematic diagram of the structure of the wind pressure movable sheet according to embodiment 3 of the present invention;

[0051] Figure 14 Schematic diagram of the assembly relationship between the switchable rack plate and the sliding beam according to embodiment 3 of the present invention;

[0052] Figure 15 Schematic diagram of the assembly relationship between the switchable rack plate and the gear in Example 3 of the present invention;

[0053] Figure 16 2 is a schematic structural diagram of an eccentric wheel assembly according to embodiment 3 of the present invention;

[0054] Among them, 1-fixed grate, 2-horizontally sliding grate, 3-up and down flipping grate, 4-grate body, 41-through slot, 42-heat dissipation rib, 43-horizontal ventilation duct, 5-fixed shaft assembly, 51-fixed shaft rib, 52-fixed shaft, 6-scraper, 7-first drive assembly, 71-sliding beam, 72-rack, 73-chute, 8-second drive assembly, 81-eccentric wheel, 82-gear, 9-wind pressure movable sheet, 91-extension plate, 92-guide block. DETAILED DESCRIPTION

[0055] The present invention will be further described in detail below in conjunction with specific implementation methods to better demonstrate the advantages of the present invention.

[0056] Example 1: Figures 1-6 As shown, a garbage incineration grate with bidirectional independent movement is provided, and the garbage incineration grate is composed of a fixed grate 1, a horizontal sliding grate 2 and an up-and-down flipping grate 3 which are sequentially arranged on the grate frame; the fixed grate 1, the horizontal sliding grate 2 and the up-and-down flipping grate 3 are all composed of a grate body 4, a fixed shaft assembly 5 arranged at the rear end of the grate body 4 for assembly with the grate frame, and a scraper 6 arranged at the front end of the grate body 4; a through groove 41 with a downward opening and for hot air circulation is provided at the bottom end of the grate body 4, and a plurality of heat dissipation ribs 42 parallel to each other are provided in the through groove 41 along the length direction, and a horizontal ventilation duct 43 is formed between two adjacent heat dissipation ribs 42; the rear end of the grate body 4 of the fixed grate 1 is a raised edge, and the rear end of the grate body 4 of the horizontal sliding grate 2 and the up-and-down flipping grate 3 is a flat edge;

[0057] like Figure 2 and Figure 3As shown, the fixed shaft assembly 5 is composed of two fixed shaft ribs 51 arranged in parallel at the rear end of the grate body 4 and a fixed shaft 52 fixedly or rotatably connected to the fixed shaft ribs 51. The fixed shaft 52 is assembled with the grate frame by pins;

[0058] The grate frame is provided with a driving mechanism for driving the horizontal sliding grate plate 2 to slide horizontally and the up and down flipping grate plate 3 to flip up and down. The driving mechanism includes a first hydraulic driving device arranged on the grate frame for driving the horizontal sliding grate plate 2 to slide horizontally, and a second hydraulic driving device arranged on the grate frame for driving the up and down flipping grate plate 3 to flip up and down. The first and second hydraulic driving devices are commercially available hydraulic cylinders.

[0059] Each standard unit of the waste incineration grate consists of six rows of bars: two fixed rows, two horizontal sliding rows, and two vertically movable rows. The grate bars are tilted approximately 21 degrees along the longitudinal direction of the furnace, facilitating the even movement of waste under the influence of gravity.

[0060] Grate construction: Rigid beams and cast steel supports support the grate bars and waste load. Refractory-coated steel bars offer high-temperature and corrosion resistance. A 21° slope forms the top layer, ensuring smooth descent and exposure to airflow. Sliding bars reciprocate horizontally, slowly advancing the waste layer. Flipping bars swing up and down, loosening the waste layer and increasing its contact area with air.

[0061] Hydraulic Drive and Frame: Each grate unit is equipped with three hydraulic drive units on either side: one for the sliding grate bars, and two for each row of flipping grate bars. The frame's modular design allows for factory pre-assembly, shortening on-site assembly cycles and facilitating expansion and maintenance.

[0062] Air supply and cooling system: Primary air is independently supplied by multiple blowers, each corresponding to one or more grate units. Air flows through the cooling fins and slots beneath the sliding and flipping grate bars before entering from the top of the bars, ensuring uniform air supply across the entire surface and minimizing air leakage. Horizontal air intake replaces traditional vertical air intake, further reducing air leakage through grate gaps and fly ash.

[0063] The working principle of the above-mentioned garbage incinerator slices used in garbage incinerators:

[0064] Garbage conveying (horizontal movement): Sliding grate bars push the garbage layer forward continuously along the grate at an adjustable reciprocating speed, which determines the thickness of the garbage layer, the residence time and the processing capacity of the system.

[0065] Garbage stirring / blasting (vertical movement): The turning grate bars swing up and down in addition to the sliding motion, "loosening" the garbage layer and blowing in combustion air at the same time, which is conducive to drying the garbage surface, igniting and maintaining full combustion.

[0066] Multi-stage combustion: The grate is divided into a drying zone, a combustion zone, and an ember cooling zone along the furnace. The sliding speed, turning frequency, and air supply volume of each zone can be independently set to match the physical and chemical requirements of different stages of the waste.

[0067] Air preheating and improved thermal efficiency: The exhaust gas is precooled under the sliding and flipping grate bars and transfers heat to the grate bars. Part of the heat is recovered to preheat the primary air, improving thermal efficiency and reducing energy consumption.

[0068] The automated control system integrates online sensors for temperature, pressure, and oxygen content to monitor furnace status in real time. The PLC / DCS control platform automatically adjusts grate motion parameters and air volume distribution based on the waste calorific value, moisture content, and feed rate. Computational fluid dynamics (CFD) is used to simulate flue gas flow, temperature, and pressure fields, optimizing cooling channels, air path distribution, and grate parameters to ensure stable and uniform combustion throughout the entire process under various operating conditions.

[0069] Example 2: This example is different from the example in that Figure 10 As shown, the driving mechanism includes a first driving assembly 7 provided on the grate frame for driving the horizontal sliding grate plate 2 to slide horizontally, and a second driving assembly 8 provided on the grate frame for driving the up-and-down flipping grate plate 3 to flip up-and-down.

[0070] The first driving assembly 7 is composed of a sliding beam 71 that slides horizontally with the grate frame, two sets of racks 72 arranged along the horizontal sliding direction, and a first hydraulic driving device for driving the sliding beam 71 to slide horizontally. One end of the rack 72 is connected to the sliding beam 71, and the other end is mounted on the gear 82.

[0071] The second drive assembly 8 is composed of two groups of eccentric wheel assemblies corresponding one-to-one with the rack 72 and rotatably connected to the grate frame, and a connecting rod used to link the eccentric wheel assembly with the fixed shaft assembly 5 for flipping the grate plate 3 up and down. The connecting rod is hinged to the eccentric wheel 81 at one end and has a telescopic rod structure for compensating for the longitudinal stroke difference of the eccentric wheel. The eccentric wheel assembly includes an eccentric wheel 81 and a gear 82 connected to the eccentric wheel 81 through a rotating shaft, and the gear 82 is engaged with the rack 72 for transmission.

[0072] The working principle of the above-mentioned driving mechanism is as follows: when the first hydraulic driving device drives the sliding beam 71 to slide horizontally, the two sets of racks 72 move synchronously. At the same time, due to the meshing transmission between the rack 72 and the gear 82, the gear 82 rotates, thereby causing the eccentric wheel 81 to rotate synchronously. Under the action of the connecting rod, the grate slices 3 are driven to swing back and forth up and down. At the same time, by adjusting the speed of the horizontal sliding of the sliding beam 71, the speed at which the rack 72 drives the gear 82 to rotate is adjusted, thereby adjusting the frequency of the up and down flipping.

[0073] Example 3: This example differs from Example 2 in that Figure 11-14 As shown, the rack 72 is a switchable rack plate, and the first drive assembly 7 further includes a wind pressure movable piece 9 provided on the front end surface of the horizontal sliding grate plate 2 for controlling the switchable rack to switch by using the wind force; the wind pressure movable piece 9 has an inwardly concave arc groove, and a wind net cover for blocking garbage is provided on the front end surface of the horizontal sliding grate plate 2, which is not shown in the figure;

[0074] like Figure 15 and Figure 16 As shown, the switchable rack plate is composed of five racks 72 with different tooth spacings arranged side by side. The wind pressure movable plate 9 has two symmetrically arranged L-shaped extension plates 91. The extension plate 91 passes through the front end surface of the grate plate body 4, and the guide block 92 provided on the extension plate 91 is slidably connected to the inclined groove 73 provided on the switchable rack plate, which is used to switch the meshing of different racks 72 and the gear 82 on the switchable rack plate; for example, the inclined groove 73 is set at a 45° inclination, and the two ends of the inclined groove 73 correspond to the inner and outer rows of racks of the switchable rack plate respectively. Taking the four rows of racks shown in the figure as an example, 1 / 4 and 3 / 4 of the length of the inclined groove 73 correspond to the middle two rows of racks respectively, and the four stroke ends of the moving direction of the guide block 92 correspond to triggering these four rows of racks respectively.

[0075] It should be noted that in order to ensure the reset of the above-mentioned driving mechanism, a spring made of commercially available high-temperature resistant material for reset, such as cobalt-based alloy, can be installed at any point between the switchable rack plate and the sliding beam 71, or between the wind pressure sliding plate 9 and the front end face of the horizontal sliding grate plate 2.

[0076] The working principle of the above-mentioned driving mechanism is as follows: based on the second embodiment, when the horizontal air volume is small and the wind pressure movable piece is not triggered, the switchable rack plate can be kept on the rack 72 with dense teeth, so that the single-way horizontal sliding grate plate 2 can synchronously drive the up and down flipping grate plate 3 to perform more up and down reciprocating flipping, thereby strengthening the loosening of the garbage layer and increasing the contact area with air;

[0077] When the horizontal air volume is large, the backward movement of the wind pressure movable plate 9 increases. Through the cooperation of the guide block 92 of the extension plate 91 and the inclined groove 73, the switchable tooth plates are all offset to the outside, so that they are switched to the rack with a sparse number of teeth, so that the single-way horizontal sliding grate plate can synchronously drive the up and down flipping grate plate with less frequency of up and down flipping, reduce the loosening process of the garbage layer, and increase the forward movement rate of the garbage layer.

[0078] Example 4: The difference between this example and Example 3 is that elastic clamping columns are provided on the inclined groove 73 at positions corresponding to the switching positions of each rack 72, and the guide block 92 is provided with a clamping groove for clamping with the elastic clamping column. It can be understood that the elastic clamping column adopts a spring rod made of commercially available high-temperature resistant material, such as a cobalt-based alloy, and in order to facilitate the separation of the clamping groove and the spring rod, the circular periphery of the clamping groove is chamfered.

Claims

1. A garbage incineration grate with two-way independent movement, characterized in that: The garbage incineration grate plate is composed of a fixed grate plate (1), a horizontal sliding grate plate (2), and an up-and-down flipping grate plate (3) which are sequentially arranged on a grate frame; The fixed grate plate (1), the horizontal sliding grate plate (2) and the up-and-down flipping grate plate (3) are all composed of a grate plate body (4), a fixed shaft assembly (5) arranged at the rear end of the grate plate body (4) for assembly with the grate frame, and a scraper (6) arranged at the front end of the grate plate body (4). The bottom end of the grate plate body (4) is provided with a through groove (41) opening downward and used for hot air circulation. Several heat dissipation ribs (42) parallel to each other are provided in the through groove (41) along the length direction. A horizontal ventilation duct (43) is formed between two adjacent heat dissipation ribs (42). The grate frame is provided with a driving mechanism for driving the horizontal sliding grate plate (2) to slide horizontally and the up and down flipping grate plate (3) to flip up and down.

2. The waste incineration grate with two-way independent movement according to claim 1, characterized in that: The rear end of the grate plate body (4) of the fixed grate plate (1) is a raised edge, and the rear end of the grate plate body (4) of the horizontal sliding grate plate (2) and the up-and-down flipping grate plate (3) is a flat edge.

3. The waste incineration grate with two-way independent movement according to claim 1, characterized in that: The fixed shaft assembly (5) is composed of two fixed shaft ribs (51) arranged in parallel at the rear end of the grate plate body (4) and a fixed shaft (52) fixedly or rotationally connected to the fixed shaft ribs (51). The fixed shaft (52) is assembled with the grate frame through pins.

4. The waste incineration grate with two-way independent movement according to claim 1, characterized in that: The driving mechanism comprises a first hydraulic driving device arranged on the grate frame for driving the horizontal sliding grate plate (2) to slide horizontally, and a second hydraulic driving device arranged on the grate frame for driving the up-and-down flipping grate plate (3) to flip up-and-down.

5. The waste incineration grate with two-way independent movement according to claim 1, characterized in that: The driving mechanism comprises a first driving assembly (7) arranged on the grate frame for driving the horizontal sliding grate plate (2) to slide horizontally, and a second driving assembly (8) arranged on the grate frame for driving the up-and-down flipping grate plate (3) to flip up-and-down. The first driving assembly (7) is composed of a sliding beam (71) that slides horizontally with the grate frame, two sets of racks (72) arranged along the horizontal sliding direction, and a first hydraulic driving device for driving the sliding beam (71) to slide horizontally. The second driving assembly (8) is composed of two groups of eccentric wheel assemblies corresponding to the racks (72) and rotatably connected to the grate frame, and a connecting rod for the eccentric wheel assembly to be linked with the fixed shaft assembly (5) for flipping the grate plate (3) up and down to perform up and down flipping. The eccentric wheel assembly includes an eccentric wheel (81) and a gear (82) connected to the eccentric wheel (81) via a rotating shaft, and the gear (82) is meshed with the rack (72) for transmission.

6. The waste incineration grate with two-way independent movement according to claim 5, characterized in that: The rack (72) is a switchable rack plate, and the first drive assembly (7) further includes a wind pressure movable plate (9) provided on the front end surface of the horizontal sliding grate plate (2) for controlling the switchable rack to switch according to the wind force; The switchable rack plate is composed of a plurality of racks (72) with different tooth spacings arranged side by side. The wind pressure movable plate (9) has an extension plate (91), and a guide block (92) provided on the extension plate (91) is slidably connected to an inclined groove (73) provided on the switchable rack plate, so as to switch the meshing between different racks (72) on the switchable rack plate and a gear (82).

7. The waste incineration grate with two-way independent movement according to claim 6, characterized in that: The inclined slot (73) is provided with elastic clamping columns at positions corresponding to the switching positions of the racks (72), and the guide block (92) is provided with clamping grooves for clamping with the elastic clamping columns.

8. The waste incineration grate with two-way independent movement according to claim 6, characterized in that: The wind pressure movable piece (9) has two symmetrically distributed extension plates (91), and the wind pressure movable piece (9) has an inwardly concave arc groove.

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