Long-acting corrosion-resistant and wear-resistant sludge scraper conveying device

By adopting a design that incorporates stainless steel coated with wear-resistant ceramic sheets and tungsten carbide wear-resistant guide wheels, the corrosion and wear problems of sludge scraper conveyors have been solved, achieving long-term corrosion and wear resistance.

CN223905857UActive Publication Date: 2026-02-13ZHEJIANG WUCHAN HUANNENG PUJIANG THERMAL POWER CO LTD
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Patent Information

Application Number
CN202520663011.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-02-13
Estimated Expiration
2035-04-10

AI Technical Summary

Technical Problem

The sludge scraper chain in existing sludge scraper conveyors is prone to corrosion and breakage, and suffers severe wear when rotating at large angles, resulting in a short service life for the equipment.

Method used

The scraper box is made of stainless steel coated with wear-resistant ceramic sheets, and guide wheels with tungsten carbide wear-resistant layer are set in key positions. The double-row scraper chain is made of 304 stainless steel and the bushing is made of ultra-high molecular weight polyethylene, combined with the flange fixing structure with dovetail groove.

Benefits of technology

It improves the corrosion resistance and uniform wear characteristics of the scraper conveyor, extends the service life of the equipment, and reduces wear and corrosion problems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sludge scraper conveyors, in particular to a long-acting corrosion-resistant and wear-resistant sludge scraper conveying device. According to the technical scheme, the scraper comprises a scraper box body, multiple sets of chain wheels are arranged in the scraper box body, the outer rings of the chain wheels are sleeved with double rows of scraper chains, two sets of guide wheels are arranged at the positions, located in a first steering box and a second steering box, in the scraper box body, and a transmission motor speed reducer is arranged above a second horizontal box. The first horizontal box and the second horizontal box are provided with stainless steel coated wear-resistant ceramic chips, so that the wear-resistant characteristic of the guide rail is improved; by arranging two groups of guide wheels coated with tungsten carbide wear-resistant layers on the surfaces at the positions of the first steering box and the second steering box in the sludge scraper, the problems of non-uniform stress and serious wear caused by an overlarge elevation angle during turning are practically solved, so that the stress of the double-row scraper chain can be uniformly dispersed, the uniform wear of equipment is realized, and the service life of the equipment is prolonged. Meanwhile, the overall service life of equipment is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a sludge scraper conveyor technical field especially relates to a long -term anticorrosive wear -resisting sludge scraper conveyor device. BACKGROUND

[0002] The existing sludge scraper mainly drives the head wheel to rotate through the transmission chain of the speed reducer, and the sludge scraper hung on the head wheel and the tail wheel rotates uniformly around the central axis, and the sludge scraper and the sludge upper guide rail contact and rotate through the roller rolling mode, so that the sludge conveying result is achieved by the transmission of the scraper.

[0003] The sludge scraper chain in the sludge scraper conveyor in the prior art adopts carbon steel material, is not corrosion resistant, and often has the situation of corrosion and chain breakage, and simultaneously, due to the original scraper, the sludge is driven to the 2# scraper platform (9.5 meter layer) from the sludge pool bottom (-6.5 meter layer) in a horizontal manner and then at a large angle (55°), the height difference is large, so that the wear of the chain at the corner position is large, the wear of the pin shaft and the shaft sleeve inside the scraper chain roller is serious, and the running cycle of the chain is short. UTILITY MODEL CONTENT

[0004] The utility model discloses a long -term anticorrosive wear -resisting sludge scraper conveyor device is provided in view of the problems in the background art.

[0005] The utility model discloses a long -term anticorrosive wear -resisting sludge scraper conveyor device, including the scraper box, the scraper box includes the first horizontal box and the second horizontal box, the first horizontal box and the second horizontal box are closely arranged with first steering box and second steering box respectively in one end, be provided with a plurality of groups of connection adjusting box body between the first steering box and the second steering box, be provided with a plurality of groups of sprocket in the scraper box, the outer ring of sprocket is equipped with double -row scraper chain, be provided with two groups of guide wheels in the scraper box and be located first steering box and second steering box position, the top of second horizontal box is provided with transmission motor speed reducer, be provided with a plurality of groups of support frame below the scraper box.

[0006] Preferably, the first horizontal box and the second horizontal box are made of stainless steel covered with wear-resistant ceramic pieces, the ceramic pieces and the stainless steel guide rail are combined with high-temperature corrosion-resistant glue, the top of the first horizontal box is provided with a feeding hopper, and the bottom of the second horizontal box is provided with a discharging hopper.

[0007] Preferably, the thickness of the bottom of the first steering box and the second steering box is 30mm, and a plurality of connection adjusting box bodies can be adjusted and assembled according to the required operation.

[0008] Preferably, the first horizontal tank, the second horizontal tank, the first turning tank, the second turning tank and the connecting adjusting tank body are provided with flanges at one end close to each other, and the two groups of flanges are installed in dovetail groove type fitting on one side close to each other.

[0009] Preferably, the installation end of each group of sprocket is installed corresponding to the inner wall of the scraper tank body, the double-row scraper chain is engaged with the outer ring of the sprocket, the double-row scraper chain is made of stainless steel 304 material, and the inner shaft sleeve of the double-row scraper chain is made of ultra-high molecular polyethylene material.

[0010] Preferably, the installation end of the guide wheel is installed corresponding to the inner wall of the scraper tank body, and the two groups of guide wheels at the same end are adapted to the rising camber of the scraper tank body, and the surface of the guide wheel is coated with a tungsten carbide wear-resistant layer.

[0011] Preferably, the installation end of the transmission motor speed reducer is installed corresponding to the upper side of the second horizontal tank, a transmission belt is arranged between the output end of the transmission motor speed reducer and the connecting end of one group of sprocket, and the installation end of the supporting frame is installed corresponding to the lower side of the scraper tank body.

[0012] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0013] The utility model discloses a whole simple structure, improves the guide rail wear resistance through the first horizontal tank and the second horizontal tank adopt the setting of wear-resistant ceramic piece of stainless steel, and the setting of the two groups of guide wheels of surface coating tungsten carbide wear-resistant layer at the position of the first turning tank and the second turning tank in the sludge scraper solves the problem of uneven stress and serious wear caused by too large elevation angle when changing direction, thereby can evenly disperse the stress of the double-row scraper chain, realizes the uniform wear of equipment, and prolongs the service life of the whole equipment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic view of the utility model;

[0015] Figure 2 It is the partial area sectional view of the utility model;

[0016] Figure 3 It is Figure 2 The enlarged structure schematic view of A place in the middle.

[0017] Fig. 1, scraper tank body;11, first horizontal tank;12, second horizontal tank;13, first turning tank;14, second turning tank;15, connecting adjusting tank body;2, sprocket;3, double-row scraper chain;4, feed hopper;5, guide wheel;6, transmission motor speed reducer;7, supporting frame;8, flange;9, discharge hopper. DETAILED DESCRIPTION

[0018] The technical scheme of the utility model will be further explained in connection with the drawings and specific embodiments.

[0019] Embodiments

[0020] As Figures 1-3 shown, the utility model provides a long -term anticorrosive wear -resisting sludge scraper conveying device, including scraper box body 1, scraper box body 1 includes first horizontal box 11 and second horizontal box 12, first horizontal box 11 and second horizontal box 12 all adopt stainless steel to cover wear -resisting ceramic piece, ceramic piece and stainless steel guide rail cover high temperature anticorrosive glue with, first horizontal box 11 and second horizontal box 12 adopt stainless steel to cover wear -resisting ceramic piece and set up to improve guide rail wear -resistant characteristics, the top of first horizontal box 11 is provided with feed hopper 4, feed hopper 4 is fixedly connected with first horizontal box 11, the setting of feed hopper 4 is convenient for the feeding of sludge, the lower portion of second horizontal box 12 is provided with discharge hopper 9, and the mounting end of discharge hopper 9 is fixedly connected with second horizontal box 12, and the setting of discharge hopper 9 is convenient for sludge to be discharged after conveying, and the end of first horizontal box 11 and second horizontal box 12 close to each other is provided with first steering box 13 and second steering box 14 respectively, the thickness of the bottom of first steering box 13 and second steering box 14 is 30mm, the bottom of first steering box 13 and second steering box 14 increases from the existing 20mm thickness to 30mm, improves its wear -resistant ability, and a plurality of groups of connecting adjustment box bodies 15 are arranged between first steering box 13 and second steering box 14, the plurality of groups of connecting adjustment box bodies 15 can be adjusted and assembled according to the operation required, and the plurality of groups of adjustable connecting adjustment box bodies 15 can be adapted to different specifications of sludge bin and used, first horizontal box 11, second horizontal box 12, first steering box 13, second steering box 14 and connecting adjustment box body 15 are all provided with flange plate 8 close to each other, and the two groups of flange plates 8 are installed in dovetail groove type inlay close to each other on one side, and the two groups of flange plates 8 close to each other are fixedly installed by bolt, and the flange plate 8 of dovetail groove inlay type can prevent material from penetrating into the gap, and compared with the existing bolt fixation, the stability of scraper box body 1 in assembly state is greatly improved;

[0021] A plurality of chain wheels 2 are arranged in the scraper box 1, the mounting end of each chain wheel 2 is correspondingly mounted with the inner wall of the scraper box 1, the inner wall of the scraper box 1 is provided with a shaft groove, the chain wheel 2 is rotatably connected with the inner wall of the scraper box 1 through the shaft groove, the outer ring of the chain wheel 2 is sleeved with a double-row scraper chain 3, the double-row scraper chain 3 is meshed with the outer ring of the chain wheel 2, the double-row scraper chain 3 is made of stainless steel 304, which greatly reduces the corrosion problem, the inner shaft sleeve of the double-row scraper chain 3 is made of ultrahigh molecular polyethylene, so as to reduce the wear caused by the high-load running and rolling of the double-row scraper chain 3, two groups of guide wheels 5 are arranged at the positions of the first steering box 13 and the second steering box 14 in the scraper box 1, the mounting end of the guide wheel 5 is correspondingly mounted with the inner wall of the scraper box 1, the mounting end of the guide wheel 5 is fixedly connected with the inner wall of the scraper box 1, the guide wheel 5 can rotate by itself, the two groups of guide wheels 5 at the same end are matched with the rising arc of the scraper box 1, the surface of the guide wheel 5 is coated with a tungsten carbide wear-resistant layer, the guide wheel 5 can solve the problem of uneven stress and serious wear caused by too large elevation angle during turning, so as to uniformly disperse the stress of the double-row scraper chain 3, realize uniform wear of the equipment, prolong the service life of the whole equipment, a transmission motor reducer 6 is arranged above the second horizontal box 12, the mounting end of the transmission motor reducer 6 is correspondingly mounted with one side above the second horizontal box 12, the mounting end of the transmission motor reducer 6 is fixedly connected with the second horizontal box 12, a transmission belt is arranged between the output end of the transmission motor reducer 6 and the connecting end of one group of chain wheels 2, the transmission belt can drive the double-row scraper chain 3 and the remaining plurality of chain wheels 2 to rotate through one group of chain wheels 2 when the transmission motor reducer 6 is in working state, so as to meet the working requirements of sludge conveying, a plurality of supporting frames 7 are arranged below the scraper box 1, the mounting end of the supporting frame 7 is correspondingly mounted with one side below the scraper box 1, the supporting frame 7 is fixedly connected with the scraper box 1, the plurality of supporting frames 7 are arranged in different height specifications, the plurality of supporting frames 7 are matched with the slope of the scraper box 1, the plurality of supporting frames 7 can make the scraper box 1 more stable in working state.

[0022] In the embodiment, the stainless steel material of the first horizontal box 11 and the second horizontal box 12 of the sludge scraper sludge conveying device is changed to a stainless steel covered wear-resistant ceramic sheet material, then the ceramic sheet and the stainless steel guide rail are covered and combined by using high-temperature corrosion-resistant glue, the upper guide rail wear resistance is improved, two guide wheels 5 are added at the positions of the first turning box 13 and the second turning box 14, the double-row scraper chain 3 is tightly attached to the upper and lower scraper surfaces, the uniform and stable operation of the double-row scraper chain 3 is ensured, the wear of the rollers and the pin shafts of the double-row scraper chain 3 is greatly alleviated, the overall load of the double-row scraper chain 3 is also alleviated, the service life of the double-row scraper chain 3 is effectively improved, the first horizontal box 11, the second horizontal box 12 and the connecting and adjusting box body 15 are made of 20mm ultra-high molecular polyethylene lining plate, the thickness of the bottom lining plate of the first turning box 13 and the second turning box 14 is thickened to 30mm, the service life is improved, the scraper box body 1 is stably assembled by the setting of the dovetail groove embedding and the bolt fixing mutual cooperation of the flange plate 8, the original simple bolt connection is replaced, the material is prevented from penetrating into the gap, the overall material of the double-row scraper chain 3 is changed to stainless steel 304 material, the roller shaft pin of the double-row scraper chain 3 is made of high molecular polyethylene material as a shaft sleeve to reduce wear, so that the overall corrosion resistance and wear resistance of the double-row scraper chain 3 are significantly improved.

[0023] The above specific embodiments are only a preferred embodiment of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A long-lasting, corrosion-resistant, and wear-resistant sludge scraper conveying device, comprising a scraper housing (1), characterized in that: The scraper box (1) includes a first horizontal box (11) and a second horizontal box (12). A first steering box (13) and a second steering box (14) are respectively provided at one end of the first horizontal box (11) and the second horizontal box (12) that are close to each other. Multiple sets of connecting and adjusting boxes (15) are provided between the first steering box (13) and the second steering box (14). Multiple sets of sprockets (2) are provided inside the scraper box (1). Double-row scraper chains (3) are sleeved on the outer ring of the sprockets (2). Two sets of guide wheels (5) are provided inside the scraper box (1) at the positions of the first steering box (13) and the second steering box (14). A transmission motor reducer (6) is provided above the second horizontal box (12). Multiple sets of support frames (7) are provided below the scraper box (1).

2. The long-lasting, corrosion-resistant, and wear-resistant sludge scraper conveying device according to claim 1, characterized in that, Both the first horizontal box (11) and the second horizontal box (12) are made of stainless steel covered with wear-resistant ceramic sheets. The ceramic sheets are bonded to the stainless steel guide rail with high-temperature anti-corrosion adhesive. The first horizontal box (11) is provided with a feed hopper (4) above it, and the second horizontal box (12) is provided with a discharge hopper (9) below it.

3. The long-lasting, corrosion-resistant, and wear-resistant sludge scraper conveying device according to claim 1, characterized in that, The bottom thickness of the first steering box (13) and the second steering box (14) is 30mm, and the multiple sets of the connecting adjustment box (15) can be adjusted and assembled according to the needs of the operation.

4. The long-lasting, corrosion-resistant, and wear-resistant sludge scraper conveying device according to claim 1, characterized in that, The first horizontal box (11), the second horizontal box (12), the first steering box (13), the second steering box (14) and the connecting adjustment box (15) are all provided with flanges (8) at one end close to each other, and the two sets of flanges (8) are installed in a dovetail groove fit together at one side close to each other.

5. The long-lasting, corrosion-resistant, and wear-resistant sludge scraper conveying device according to claim 1, characterized in that, The mounting end of each set of sprockets (2) is installed corresponding to the inner wall of the scraper box (1). The double-row scraper chain (3) meshes with the outer ring of the sprocket (2). The double-row scraper chain (3) is made of stainless steel 304, and the inner bushing of the double-row scraper chain (3) is made of ultra-high molecular weight polyethylene.

6. The long-lasting, corrosion-resistant, and wear-resistant sludge scraper conveying device according to claim 1, characterized in that, The guide wheel (5) is installed at the same end as the inner wall of the scraper box (1). The two sets of guide wheels (5) at the same end are adapted to the rising arc of the scraper box (1). The surface of the guide wheel (5) is covered with a tungsten carbide wear-resistant layer.

7. The long-lasting, corrosion-resistant, and wear-resistant sludge scraper conveying device according to claim 1, characterized in that, The mounting end of the drive motor reducer (6) is installed corresponding to the upper side of the second horizontal box (12). A drive belt is provided between the output end of the drive motor reducer (6) and the connection end of a set of sprockets (2). The mounting end of the support frame (7) is installed corresponding to the lower side of the scraper box (1).