Protection device for water seal type slag extractor of hazardous waste incineration rotary kiln
By installing baffle devices on the outside of the chain and inner guide wheel of the water-sealed slag discharge machine, the problem of chain jamming caused by large pieces of incineration residue was solved, thereby reducing the protection and maintenance costs of the equipment.
Patent Information
- Application Number
- CN202423138347.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing water-sealed slag discharge machines are prone to chain jamming when conveying large pieces of incineration residue, leading to difficult maintenance.
A baffle device is installed on the outside of the chain and inner guide wheel of the slag discharge machine to form a protective device, which isolates large pieces of incineration residue and prevents them from entering the grooves of the chain and inner guide wheel.
It effectively prevents the chain and inner guide wheel from jamming, reduces equipment failures, lowers maintenance costs, and improves production efficiency.
Smart Images
Figure CN223768910U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to chain conveyor technical field, concretely relates to a protection device of dangerous waste incineration rotary kiln water seal type slag extractor. BACKGROUND
[0002] Dangerous waste usually has toxicity, flammability, infectivity, damage, etc. The existing dangerous waste disposal technology is to burn to 1100 DEG C or more by rotary kiln, and the dangerous waste is fully burned and decomposed at high temperature. The incineration residue generated after incineration falls into the slag extractor at the tail of the rotary kiln.
[0003] The commonly used slag extractor is a water seal type slag extractor, which is arranged at the tail of the rotary kiln and is provided with a cooling chamber for containing cooling water. The water seal type slag extractor is provided with a conveying device for conveying the incineration residue. In operation, the high-temperature incineration residue falls into the water-filled cooling chamber, and the incineration residue is rapidly cooled under the action of the cooling water, and the cooled incineration residue is taken to the ground by the water seal type slag extractor, thereby collecting the incineration residue.
[0004] Although the water seal type slag extractor can cool the slag and discharge the slag, there are still some problems in actual use. The water seal type slag extractor mainly consists of a gear, a chain, a slag scraping plate, an inner guide wheel, a shell and a driving motor. The driving motor drives the gear and the chain, and the chain drives the slag scraping plate to take the incineration residue from the water cooling chamber to the ground. The chain moves in the groove of the inner guide wheel during conveying to ensure that the chain does not deviate from the track. During conveying, part of the large incineration residue with a diameter of more than 2 cm is easily driven by the chain and rolled into the groove where the chain and the inner guide wheel intersect, causing the chain to be stuck and unable to operate. The chain and the inner guide wheel are located in the water-filled cooling chamber, which is extremely difficult to maintain. SUMMARY
[0005] The utility model discloses a protection device of dangerous waste incineration rotary kiln water seal type slag extractor to solve the above-mentioned deficiencies in the prior art. A baffle device is added outside the slag extractor chain and the inner guide wheel. When the large incineration residue with a diameter of more than 2 cm falls towards the chain, the baffle will block the large incineration residue outside, forming an isolation protection effect.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0007] The utility model provides a kind of hazardous waste incineration rotary kiln water seal type slag machine's protection device, is by chain baffle, first inner guide pulley baffle and second inner guide pulley baffle, first cover plate, second cover plate and third cover plate, first cover plate connecting plate and second cover plate connecting plate are formed;First inner guide pulley baffle and second inner guide pulley baffle, first cover plate and third cover plate, first cover plate connecting plate and second cover plate connecting plate The structure and size are same;First inner guide pulley baffle (or second inner guide pulley baffle) height is equal to the sum of chain baffle and first cover plate connecting plate (or second cover plate connecting plate) height, first inner guide pulley baffle (or second inner guide pulley baffle) Length is equal to the length of second cover plate (or third cover plate);First cover plate, second cover plate and third cover plate width are equal;First cover plate, second cover plate, third cover plate, first cover plate connecting plate and second cover plate connecting plate The thickness is equal;The length of chain baffle and the length of first cover plate are equal;Chain baffle, first inner guide pulley baffle, second inner guide pulley baffle are coplanarly arranged, and the left and right end faces of chain baffle are respectively welded with the right end face of first inner guide pulley baffle and the left end face of second inner guide pulley baffle;First cover plate, second cover plate, third cover plate are arranged in parallel, and the upper end face of chain baffle is vertically welded with the front end face of first cover plate, the upper end face of first inner guide pulley baffle is vertically welded with the front end face of second cover plate, and the upper end face of second inner guide pulley baffle is vertically welded with the front end face of third cover plate;First cover plate connecting plate and second cover plate connecting plate are arranged in parallel, and the left end face of first cover plate is vertically welded with the lower end face of first cover plate connecting plate, the upper end face of first cover plate connecting plate is vertically welded with the right end face of second cover plate, and the right end face of first inner guide pulley baffle is vertically welded with the front end face of first cover plate connecting plate, which is higher than the left end face of chain baffle;The right end face of first cover plate is vertically welded with the lower end face of second cover plate connecting plate, the upper end face of second cover plate connecting plate is vertically welded with the left end face of third cover plate, and the left end face of second inner guide pulley baffle is vertically welded with the front end face of second cover plate connecting plate, which is higher than the right end face of chain baffle;The lower end face of chain baffle, first inner guide pulley baffle and second inner guide pulley baffle is respectively welded with the inner surface of the bottom shell of slag machine;The rear end face of first cover plate, second cover plate, third cover plate, first cover plate connecting plate, second cover plate connecting plate is vertically welded with the inner surface of the side shell of slag machine;The sum of the length of first inner guide pulley baffle, second inner guide pulley baffle and chain baffle is greater than the distance between the two centers of first inner guide pulley and second inner guide pulley, and first inner guide pulley and second inner guide pulley drive chain to run inside the protection device.
[0008] The protection device covers chain and inner guide pulley inside, only water and small incineration residues can enter, and large incineration residues are isolated outside the protection device.
[0009] Preferably, the chain baffle is supported by a rib plate arranged between the chain baffle and the first cover plate, the lower surface of the first cover plate is vertically welded with the upper end surface of the rib plate, the front end surface of the rib plate is vertically welded with the rear surface of the chain baffle, and the rear end surface of the rib plate is vertically welded with the inner surface of the side shell of the slag extractor.
[0010] Preferably, the chain baffle, the inner guide wheel baffle, the cover plate and the cover plate connecting plate are made of a material with high wear resistance, pressure resistance and hardness, including but not limited to Q235 steel plate and Q345 steel plate.
[0011] Preferably, the rib plate is in multiple pieces and is welded with the chain baffle, the cover plate and the side shell of the slag extractor to prevent the chain baffle and the cover plate from being deformed under pressure, and the rib plate is made of a material with high wear resistance, pressure resistance and hardness, including but not limited to Q235 steel plate and Q345 steel plate.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] In the utility model, the chain baffle, the inner guide wheel baffle, the cover plate, the rib plate and the cover plate connecting plate form the slag extractor protection device, and part of the area of the chain of the slag extractor and the inner guide wheel is enclosed. When the incineration residue falls on the chain and the inner guide wheel, all large pieces of the incineration residue can be isolated outside. When the slag extractor is conveying, the phenomenon that the chain and the inner guide wheel are stuck due to the incineration residue entering the slag extractor is avoided.
[0014] In conclusion, the utility model can well protect the chain and the inner guide wheel of the slag extractor, avoid equipment failure to the maximum extent, save maintenance cost and improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a front view of the device of the utility model;
[0016] Figure 2 is a top view of the device of the utility model;
[0017] Figure 3 is a size schematic view of the rib plate; DETAILED DESCRIPTION
[0018] Embodiment 1
[0019] The embodiments of the utility model are described in detail below. The embodiments described by referring to the drawings are exemplary and are only used to explain the utility model and cannot be understood as a limitation of the utility model.
[0020] Referring to Figure 1 , Figure 2 and Figure 3The names of each part are shown as follows: chain baffle 1, first inner guide pulley baffle 21 and second inner guide pulley baffle 22, first cover plate 31, second cover plate 32 and third cover plate 33, first rib plate 41, second rib plate 42, third rib plate 43, fourth rib plate 44 and fifth rib plate 45, first cover plate connecting plate 51 and second cover plate connecting plate 52, first inner guide pulley 61 and second inner guide pulley 62, chain 7, ladle side shell 8, and ladle bottom shell 9. Among them, Figure 1 The horizontal direction is length (i.e. the direction of movement of the chain), and the vertical direction is height; Figure 2 The horizontal direction is length (i.e. the direction of movement of the chain), and the vertical direction is width; Figure 3 The horizontal direction is width, and the vertical direction is height.
[0021] The length of the chain baffle 1 is 410 cm, and the height is 12 cm; the length of the first inner guide pulley baffle 21 and the second inner guide pulley baffle 22 is 16 cm, and the height is 20 cm; the length of the first cover plate 31 is 410 cm, and the width is 9 cm; the length of the second cover plate 32 and the third cover plate 33 is 16 cm, and the width is 9 cm; the height of the first rib plate 41, the second rib plate 42, the third rib plate 43, the fourth rib plate 44 and the fifth rib plate 45 is 7 cm, and the width is 9 cm; the height of the first cover plate connecting plate 51 and the second cover plate connecting plate 52 is 8 cm, and the width is 9 cm; the diameter of the first inner guide pulley 61 and the second inner guide pulley 62 is 14 cm.
[0022] The chain baffle 1, the first inner guide pulley baffle 21 and the second inner guide pulley baffle 22 are coplanar, the left and right end faces of the chain baffle 1 are welded with the right end face of the first inner guide pulley baffle 21 and the left end face of the second inner guide pulley baffle 22 respectively; the first cover plate 31, the second cover plate 32 and the third cover plate 33 are parallel, the upper end face of the chain baffle 1 is vertically welded with the front end face of the first cover plate 31, the upper end face of the first inner guide pulley baffle 21 is vertically welded with the front end face of the second cover plate 32, and the upper end face of the second inner guide pulley baffle 22 is vertically welded with the front end face of the third cover plate 33; the first rib plate 41, the second rib plate 42, the third rib plate 43, the fourth rib plate 44 and the fifth rib plate 45 are parallel, and the first cover plate connecting plate 51 and the second cover plate connecting plate 52 are parallel; the left end face of the first cover plate 31 is vertically welded with the lower end face of the first cover plate connecting plate 51, the upper end face of the first cover plate connecting plate 51 is vertically welded with the right end face of the second cover plate 32, and the right end face of the first cover plate 31 is vertically welded with the front end face of the second cover plate connecting plate 52; the right end face of the first cover plate 31 is vertically welded with the lower end face of the second cover plate connecting plate 52, the upper end face of the second cover plate connecting plate 52 is vertically welded with the left end face of the third cover plate 33, and the left end face of the second cover plate connecting plate 52 is vertically welded with the front end face of the second cover plate connecting plate 52; the lower end faces of the chain baffle 1, the first inner guide pulley baffle 21 and the second inner guide pulley baffle 22 are welded with the inner surfaces of the bottom shell 9 of the slag extractor; the lower surface of the first cover plate 31 is vertically welded with the upper end faces of the first rib plate 41, the second rib plate 42, the third rib plate 43, the fourth rib plate 44 and the fifth rib plate 45, the front end faces of the first rib plate 41, the second rib plate 42, the third rib plate 43, the fourth rib plate 44 and the fifth rib plate 45 are vertically welded with the rear surface of the chain baffle 1, and the rear end faces of the first cover plate 31, the second cover plate 32, the third cover plate 33, the first rib plate 41, the second rib plate 42, the third rib plate 43, the fourth rib plate 44, the fifth rib plate 45, the first cover plate connecting plate 51 and the second cover plate connecting plate 52 are vertically welded with the inner surfaces of the side shell 8 of the slag extractor; the first inner guide pulley 61 and the second inner guide pulley 62 drive the chain 7 to run in the inside of the protection device.
[0023] The protection device of the hazardous waste slag extractor is used before welding the chain baffle 1, the first inner guide pulley baffle 21 and the second inner guide pulley baffle 22, the first rib plate 41, the second rib plate 42, the third rib plate 43, the fourth rib plate 44 and the fifth rib plate 45, the first cover plate 31, the second cover plate 32 and the third cover plate 33, and the first cover plate connecting plate 51 and the second cover plate connecting plate 52 according to the structure shown in the figure, and no gap is left at the welding connection to prevent incineration residues from entering the inside. Figure 1
[0024] In some embodiments of this utility model, to ensure that the slag discharger protection device does not deform under external pressure, the chain baffle 1, the first inner guide wheel baffle 21 and the second inner guide wheel baffle 22, the first cover plate 31, the second cover plate 32 and the third cover plate 33 are welded from 0.5 cm thick Q235B steel plates. Both the chain baffle 1 and the first cover plate 31 are cut from a single sheet of steel, and due to their large span, they are prone to deformation. Therefore, stiffening plates are used for support to ensure the stability and non-deformation of the chain baffle 1 and the first cover plate 31. The stiffening plates are made of 0.8 cm thick Q235B steel plates.
[0025] In some embodiments of this invention, the falling range of large pieces of incineration residue is between the first inner guide wheel 61 and the second inner guide wheel 62 (considering the two inner guide wheels as two circles, the falling range is the area between the centers of the two circles). The large pieces of incineration residue move vertically downwards in water under the influence of gravity. The falling range is determined when the length of the protective device described in this invention (the sum of the lengths of the first inner guide wheel baffle 21, the second inner guide wheel baffle 22, and the chain baffle 1) is greater than the falling range. Figure 1 As shown, when the first inner guide wheel 61 and the second inner guide wheel 62 are covered by more than half, all large pieces of incineration residue can be blocked from entering the slag discharge machine protection device. Therefore, arc-shaped grooves with a diameter of 15 cm and an arc angle greater than 180 degrees are respectively opened at the left end of the first inner guide wheel baffle 21 and the right end of the second inner guide wheel baffle 22. The arc-shaped grooves are concentric with the first inner guide wheel 61 and the second inner guide wheel 62, and the first inner guide wheel 61 and the second inner guide wheel 62 are exposed, which facilitates the repair and maintenance of the first inner guide wheel 61 and the second inner guide wheel 62.
[0026] In some embodiments of this utility model, to ensure the chain 7 can move normally in the grooves of the first inner guide wheel 61 and the second inner guide wheel 62 (the depth of the grooves of the first inner guide wheel 61 and the second inner guide wheel 62 is 3 cm, and the chain 7 moves back and forth in the grooves), a gap of about 0.5 cm needs to be maintained between the first inner guide wheel baffle 21 and the second inner guide wheel baffle 22 and the first inner guide wheel 61 and the second inner guide wheel 62 to ensure the normal operation of the inner guide wheels. After the incineration residue falls into the water, some of it falls toward the slag discharge machine protection device. Because the 0.5 cm gap is smaller than the large pieces of incineration residue with a diameter of 2 cm, the large pieces of incineration residue are blocked outside.
[0027] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. All modifications and equivalent substitutions made within the principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A protective device for a water-sealed slag tap of a hazardous waste incineration rotary kiln, characterized in that: The chain baffle (1), the first inner guide pulley baffle (21) and the second inner guide pulley baffle (22), the first cover plate (31), the second cover plate (32) and the third cover plate (33), the first cover plate connecting plate (51) and the second cover plate connecting plate (52) are composed, the structure and size of the first inner guide pulley baffle (21) and the second inner guide pulley baffle (22), the first cover plate (31) and the third cover plate (33), the first cover plate connecting plate (51) and the second cover plate connecting plate (52) are the same; The height of the first inner guide pulley baffle (21) is equal to the sum of the height of the chain baffle (1) and the first cover plate connecting plate (51), and the length of the first inner guide pulley baffle (21) is equal to the length of the second cover plate (32); The thickness of the first cover plate (31), the second cover plate (32), the third cover plate (33), the first cover plate connecting plate (51) and the second cover plate connecting plate (52) is equal; The length of the chain baffle (1) is equal to the length of the first cover plate (31); The chain baffle (1), the first inner guide pulley baffle (21) and the second inner guide pulley baffle (22) are coplanar, the left and right end faces of the chain baffle (1) are respectively welded with the right end face of the first inner guide pulley baffle (21) and the left end face of the second inner guide pulley baffle (22); The first cover plate (31), the second cover plate (32) and the third cover plate (33) are arranged in parallel, the upper end face of the chain baffle (1) is vertically welded with the front end face of the first cover plate (31), the upper end face of the first inner guide pulley baffle (21) is vertically welded with the front end face of the second cover plate (32), and the upper end face of the second inner guide pulley baffle (22) is vertically welded with the front end face of the third cover plate (33); The first cover plate connecting plate (51) and the second cover plate connecting plate (52) are arranged in parallel, the left end face of the first cover plate (31) is vertically welded with the lower end face of the first cover plate connecting plate (51), the upper end face of the first cover plate connecting plate (51) is vertically welded with the right end face of the second cover plate (32), and the right end face of the first inner guide pulley baffle (21) is vertically welded with the front end face of the first cover plate connecting plate (51); The right end face of the first cover plate (31) is vertically welded with the lower end face of the second cover plate connecting plate (52), the upper end face of the second cover plate connecting plate (52) is vertically welded with the left end face of the third cover plate (33), and the left end face of the second inner guide pulley baffle (22) is vertically welded with the front end face of the second cover plate connecting plate (52); The lower end faces of the chain baffle (1), the first inner guide pulley baffle (21) and the second inner guide pulley baffle (22) are respectively welded with the inner surface of the bottom shell (9) of the slag extractor; The rear end faces of the first cover plate (31), the second cover plate (32), the third cover plate (33), the first cover plate connecting plate (51) and the second cover plate connecting plate (52) are vertically welded with the inner surface of the side shell (8) of the slag extractor;The sum of the lengths of the first inner guide wheel baffle (21), the second inner guide wheel baffle (22) and the chain baffle (1) is greater than the distance between the centers of the first inner guide wheel (61) and the second inner guide wheel (62), and the first inner guide wheel (61) and the second inner guide wheel (62) drive the chain (7) to run inside the protection device.
2. A protective device for a water-sealed slag extractor of a hazardous waste incineration rotary kiln according to claim 1, characterized in that: The chain baffle (1) is supported by the rib plate between the first cover plate (31), the lower surface of the first cover plate (31) is vertically welded with the upper end surface of the rib plate, the front end surface of the rib plate is vertically welded with the rear surface of the chain baffle (1), and the rear end surface of the rib plate is vertically welded with the inner surface of the side shell (8) of the slag extractor.
3. A protective device for a water-sealed slag extractor of a hazardous waste incineration rotary kiln according to claim 2, characterized in that: The rib plate is 5, equally spaced, and is respectively a first rib plate (41), a second rib plate (42), a third rib plate (43), a fourth rib plate (44) and a fifth rib plate (45).
4. A protective device for a water-sealed slag extractor of a hazardous waste incineration rotary kiln according to claim 1, characterized in that: An arc-shaped groove with a diameter larger than that of the first inner guide wheel (61) and the second inner guide wheel (62) and an arc greater than 180 degrees is formed at the left end of the first inner guide wheel baffle (21) and the right end of the second inner guide wheel baffle (22), the arc-shaped groove and the first inner guide wheel (61) and the second inner guide wheel (62) are concentric circle structures, and the first inner guide wheel (61) and the second inner guide wheel (62) are leaked.