Fixed fire grate with angle adjusting function

The angle-adjustable fixed grate and heat recovery design solve the problems of incomplete fuel combustion and heat waste in fixed grates, thereby improving combustion efficiency and service life.

CN223460467UActive Publication Date: 2025-10-21JIANGSU XINGTEJIA ENVIRONMENTAL PROTECTION EQUIP
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Patent Information

Application Number
CN202422839340.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-21
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

The inclination angle of existing fixed grates is fixed, which leads to incomplete combustion of fuel or rapid sliding, and lacks the function of heat recovery and secondary utilization.

Method used

The angle of the grate body is adjusted by a worm gear mechanism and a torque transmission part, and is equipped with a heat exchange pipe for heat recovery and water cooling. High-strength heat-resistant steel is used to improve the heat resistance and support of the structure.

Benefits of technology

It achieves full combustion of fuel, prolongs combustion time, improves combustion efficiency, reduces heat energy waste, and extends the service life of the grate.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223460467U_ABST
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Abstract

The utility model discloses a fixed fire grate with an angle adjusting function, and particularly relates to the field of fire grates, the fixed fire grate comprises a fire grate frame, one side of the fire grate frame is connected with a fire grate body, one side of the bottom of the fire grate frame is provided with a connecting and fixing seat, the fire grate frame is movably connected with the connecting and fixing seat through a rotating shaft, and the connecting and fixing seat is fixedly connected with the connecting and fixing seat. A driving box is connected to the inner wall of one side of the connecting and fixing base, a movable cavity is formed in the driving box, threaded cylinders are connected to the inner walls of the two sides of the movable cavity through bearings, worm wheels are arranged on the outer walls of the threaded cylinders in a sleeving mode, a worm is connected to the inner wall of one side of the driving box through a bearing, and the worm is meshed with the two worm wheels; the angle between the fire grate body and the connecting fixing seat is driven to incline through lifting of the threaded rod, angle adjustment of the fire grate body is achieved, fuel can smoothly and continuously slide downwards to fall into a slag pit, and combustion efficiency is improved by adjusting different angles of the fire grate body.
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Description

Technical Field

[0001] The utility model relates to the field of grates, and more specifically, to a fixed grate with an angle adjustment function. Background Art

[0002] The grate is an important component of the incinerator, especially in the incineration of solid waste. Fixed grates usually refer to grates that cannot be moved in the incinerator. They are mainly used to support fuel and maintain a certain combustion space.

[0003] After searching, the existing patent (publication number: CN210979884U) discloses a fixed grate for incineration, including a grate frame and a grate rod. A connecting fixing seat is fixed to the left side of the upper end surface of the grate frame, and a through hole is opened inside the connecting fixing seat. A connecting shaft is installed in the middle position inside the grate frame, and a movable row is connected below the connecting shaft. The grate rod is installed inside the movable row, and a screw hole is provided at the top of the grate rod. This type of fixed grate for incineration can be movable between the movable row and the grate frame, so that dust on the grate can be easily self-cleaned. The setting of the grate rod can easily adjust the size of the gap between the grate holes, so that the ventilation effect of the grate can be adjusted so that air can enter the fuel layer through the gap for combustion, thereby improving the combustion effect. The grate rod can be disassembled through the thread, so that the grate rod can be easily replaced, thereby increasing the service life of the grate. In the process of realizing the utility model, the inventor found that the existing technology has the following problems:

[0004] The inclination angle of the fixed grate at the current stage is fixed. When the fuel is burning, the fixed grate angle makes it easy for the burning fuel to slide down quickly, making it difficult to burn fully. Or when the lighter fuel is burned, the inclination angle becomes smaller and difficult to slide down. At the same time, it does not have the function of heat recovery and secondary utilization.

[0005] Therefore, in order to solve the above problems, a fixed grate with angle adjustment function is proposed. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a fixed grate with an angle adjustment function to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: A fixed grate with angle adjusting function, including grate frame, one side of grate frame is connected with grate body, the inner wall of one side of grate body is arranged with the reinforcing rib, the reinforcing rib one side is arranged with the grate air flue, the end of grate air flue is provided with the air outlet, the bottom one side of grate frame is provided with the connecting fixed seat, the grate frame is connected with connecting fixed seat through the pivot swing joint, the inner wall of one side of connecting fixed seat is connected with drive box, the inside of drive box is provided with movable cavity, the both sides inner wall of movable cavity is connected with screw thread cylinder through bearing, the outer wall of screw thread cylinder is equipped with worm wheel, the inner wall of drive box is connected with worm through bearing, worm is engaged with two groups worm wheel, one side of drive box is provided with torsion transmission part, and torsion transmission part is linked with worm, and the rotation of drive torsion transmission part drives worm to rotate, and worm rotation drives worm wheel to rotate, and worm wheel rotation drives screw thread cylinder to rotate in synchronization, one end of screw thread cylinder is connected with screw rod through drive box, and screw thread cylinder rotation drives screw rod to move up and down.

[0008] Preferably, the top of the screw rod is connected with a movable connecting piece through a movable shaft, and the movable connecting piece is connected with the grate body through bolts.

[0009] Preferably, the grate frame and the grate body are made of high-strength heat-resistant steel material, and the grate frame is in the form of an L-shaped structure.

[0010] Preferably, the grate frame and the grate body are connected with a fixed support, and the fixed support is made of high-strength heat-resistant steel material.

[0011] Preferably, the inner wall of one side of the grate frame is provided with a heat exchange pipe.

[0012] The utility model discloses technical effects and advantages:

[0013] Compared with the prior art, the fixed grate with angle adjusting function drives the torsion transmission member to rotate or drives the connection through the external motor, so that the torsion transmission member rotates, the worm rotates, the worm wheel rotates, the screw cylinder rotates synchronously, the screw rod moves up and down, and the angle between the grate body and the connecting fixed seat is inclined, so that the angle of the grate body is adjusted, the fuel is fully combusted, the combustion time is prolonged, the fuel does not slide randomly, the combustion time is increased, the solid fuel quality is lightened, the fuel can be smoothly and continuously slid downward and dropped into the slag pit, and the combustion efficiency is improved.

[0014] Compared with the prior art, the fixed grate with angle adjusting function adopts the heat exchange pipeline which can be externally connected with circulating heat exchange water, the heat of the grate can be transferred into the water circulation in the heat exchange pipeline, the waste of heat energy is reduced, the grate is water-cooled, deformation and damage of the grate are avoided, and the service life is long. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole three-dimensional structure schematic view of the utility model.

[0016] Figure 2 It is a fixed support and grate frame connection structure schematic view of the utility model.

[0017] Figure 3 It is a screw cylinder and screw rod connection structure schematic view of the utility model.

[0018] Figure 4 It is a grate body bottom view structure schematic view of the utility model.

[0019] The figure signs are: 1, grate frame; 2, grate body; 3, reinforcing rib; 4, grate air duct; 5, air outlet; 6, connecting fixed seat; 7, rotating shaft; 8, driving box; 9, movable cavity; 10, screw cylinder; 11, worm wheel; 12, worm; 13, torsion transmission member; 14, screw rod; 15, movable shaft; 16, movable connecting piece; 17, fixed support; 18, heat exchange pipeline. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application. Embodiment

[0021] As shown in the accompanying drawings Figures 1 to 3 The fixed grate with angle adjusting function comprises a grate frame 1, a grate body 2 connected to one side of the grate frame 1, reinforcing ribs 3 arranged on the inner wall of one side of the grate body 2, grate air ducts 4 arranged on one side of the reinforcing ribs 3, air outlets 5 arranged at the end of the grate air ducts 4, a connecting fixing seat 6 arranged at the bottom of one side of the grate frame 1, a driving box 8 connected to the inner wall of one side of the connecting fixing seat 6, an activity cavity 9 arranged in the driving box 8, threaded cylinders 10 connected to the inner walls of both sides of the activity cavity 9 through bearings, worm wheels 11 sleeved on the outer walls of the threaded cylinders 10, a worm 12 connected to the inner wall of one side of the driving box 8 through a bearing, the worm 12 being engaged with the two groups of worm wheels 11, a torsion transmission member 13 arranged on one side of the driving box 8, the torsion transmission member 13 being communicated with the worm 12, the worm 12 being driven to rotate by the rotation of the torsion transmission member 13, the worm wheel 11 being driven to rotate by the rotation of the worm 12, the threaded cylinder 10 being driven to rotate synchronously by the rotation of the worm wheel 11, and a threaded rod 14 connected to one end of the threaded cylinder 10 through the driving box 8, the threaded rod 14 being driven to move up and down by the rotation of the threaded cylinder 10.

[0022] The connecting fixing seat 6 is fixedly connected with the furnace body to play a fixing role, the reinforcing ribs 3 play a supporting role for the grate body 2, high-speed airflow can be blown to the air outlets 5 through the grate air ducts 4 to accelerate combustion, the torsion transmission member 13 is driven to rotate by tools or an external motor, the worm 12 is driven to rotate by the rotation of the torsion transmission member 13, the worm wheel 11 is driven to rotate by the rotation of the worm 12, the threaded cylinder 10 is driven to rotate synchronously by the rotation of the worm wheel 11, the threaded rod 14 is driven to move up and down by the rotation of the threaded cylinder 10, the angle between the grate body 2 and the connecting fixing seat 6 is changed by the up and down movement of the threaded rod 14, the angle adjustment of the grate body 2 is realized, the angle of the grate body 2 is adjusted to be close to horizontal when it is needed to fully burn fuel to increase the burning time, the fuel will not slide down to increase the burning time, solid fuel is lightened when it is needed to discharge the fuel, the fuel can be smoothly slid down to drop into the slag pit by increasing the inclination angle of the grate body 2, and the burning efficiency is improved by adjusting the different angles of the grate body 2. Embodiment

[0023] On the basis of the embodiment 1, the scheme in the embodiment 1 is further refined in combination with the specific working mode as follows: Figures 1 to 4 As shown in the figure, see the following description in detail:

[0024] As a preferred embodiment, the top of the threaded rod 14 is connected with a movable connecting piece 16 through a movable shaft 15, and the movable connecting piece 16 is connected with the grate body 2 through a bolt; further, the movable connecting piece 16 plays a role of movable connection, so that the angle between the threaded rod 14 and the grate body 2 can be adjusted when the threaded rod 14 is retracted.

[0025] As a preferred embodiment, the grate frame 1 and the grate body 2 are both made of high-strength heat-resistant steel, and the grate frame 1 is in an "L" shape structure; further, the grate frame 1 and the grate body 2 improve the heat resistance of the structure by using high-strength heat-resistant steel, and the "L" shape of the grate frame 1 enhances the supportability of the grate frame 1.

[0026] As a preferred embodiment, the grate frame 1 and the grate body 2 are arranged and connected with a fixed support 17, and the fixed support 17 is made of high-strength heat-resistant steel; further, the fixed support 17 enhances the load bearing capacity of the grate and improves the service life of the device.

[0027] As a preferred embodiment, the inner wall of one side of the grate frame 1 is provided with a heat exchange pipeline 18; further, the heat exchange pipeline 18 can be externally connected with circulating heat exchange water, and the heat of the grate can be transferred to the water circulation in the heat exchange pipeline 18, reducing the waste of heat energy and cooling the grate at the same time, so that the grate is not easy to deform and damage, and has a long service life.

[0028] The working process of the utility model is as follows: firstly, the connecting fixed seat 6 is fixedly connected with the furnace body, the reinforcing rib 3 plays a supporting role in reinforcing the furnace body 2, high-speed airflow can be blown to the air outlet 5 through the furnace air duct 4 to accelerate combustion, the tool twists the torque transmission member 13 or drives the connection through the external motor, thereby driving the torque transmission member 13 to rotate, the torque transmission member 13 drives the worm 12 to rotate, the worm 12 drives the worm wheel 11 to rotate, the worm wheel 11 drives the threaded cylinder 10 to rotate synchronously, the threaded cylinder 10 drives the threaded rod 14 to move up and down, the threaded rod 14 moves up and down to drive the angle between the furnace body 2 and the connecting fixed seat 6 to incline, the angle adjustment of the furnace body 2 is realized, when it is needed to fully burn the fuel and increase the combustion time, the angle of the furnace body 2 can be adjusted to be close to horizontal to prevent the fuel from sliding down and increase the combustion time, when it is needed to discharge the material with the increase of the combustion time, the solid fuel quality becomes light, the inclination angle of the furnace body 2 is increased, the fuel can smoothly continue to slide down and drop into the slag pit, the combustion efficiency is increased by adjusting the different angles of the furnace body 2, the movable connecting piece 16 plays a movable connecting role to enable the angle between the threaded rod 14 and the furnace body 2 to be adjusted and changed when the threaded rod 14 is retracted, the furnace body 2 is connected with the furnace body 2 through high-strength heat-resistant steel to increase the heat resistance of the structure, the furnace body 1 is of "L" type to increase the supportability of the furnace body 1, the heat exchange pipeline 18 can be connected with circulating heat exchange water outside, the heat of the furnace can be transferred to the water circulation in the heat exchange pipeline 18, the water cooling of the furnace is carried out to reduce the waste of heat energy and prevent the furnace from being deformed and damaged, and the service life is long, the working principle of the fixed furnace with the angle adjustment function is as above.

Claims

1. A stationary grate with angle adjustment function, comprising a grate frame (1), characterized in that: One side of the grate frame (1) is connected with the grate body (2), the inner wall of one side of the grate body (2) is arranged with the reinforcing rib (3), one side of the reinforcing rib (3) is arranged with the grate air duct (4), the end of the grate air duct (4) is provided with the air outlet (5), the bottom side of the grate frame (1) is provided with the connecting fixing seat (6), the grate frame (1) and the connecting fixing seat (6) are movably connected through the rotating shaft (7), one side of the connecting fixing seat (6) is connected with the drive box (8), the inside of the drive box (8) is provided with the movable cavity (9), the inner walls of the two sides of the movable cavity (9) are both connected with the threaded cylinder (10) through the bearing, the outer wall of the threaded cylinder (10) is sleeved with the worm wheel (11), one side of the drive box (8) is connected with the worm (12) through the bearing, the worm (12) is engaged with the two groups of worm wheels (11), one side of the drive box (8) is provided with the torsion transmission part (13), the torsion transmission part (13) is communicated with the worm (12), the torsion transmission part (13) is driven to rotate to drive the worm (12) to rotate, the worm (12) drives the worm wheel (11) to rotate, the worm wheel (11) drives the threaded cylinder (10) to rotate synchronously, one end of the threaded cylinder (10) penetrates through the drive box (8) and is connected with the threaded rod (14), the threaded cylinder (10) drives the threaded rod (14) to move up and down.

2. The fixed grate with angle adjustment function according to claim 1, characterized in that: The top of the threaded rod (14) is connected with the movable connecting piece (16) through the movable shaft (15), the movable connecting piece (16) and the grate body (2) are connected through the bolt.

3. The fixed grate with angle adjustment function according to claim 2, characterized in that: The grate frame (1) and the grate body (2) are both made of high-strength heat-resistant steel material, and the grate frame (1) is in the "L" type structure.

4. The fixed grate with angle adjustment function according to claim 3, characterized in that: The grate frame (1) and the grate body (2) are both made of high-strength heat-resistant steel material, and the grate frame (1) is in the "L" type structure.

5. The fixed grate with angle adjustment function according to claim 4, characterized in that: The inner wall of one side of the grate frame (1) is provided with the heat exchange pipeline (18).

Citation Information

Patent Citations

  • Fixed fire grate for incineration

    CN210979884U