Lightweight corrosion-resistant pipeline structure

By using pipes made of carbon fiber reinforced polymer or high-temperature ceramic matrix composites, combined with motor-driven sliding discs and brushes for dust removal, and external protection and support structures, the corrosion and blockage problems of grate cooler fan pipes in high-temperature and dusty environments have been solved, achieving efficient air supply and long service life.

CN223635722UActive Publication Date: 2025-12-05JIANGLEJINNIU CEMENT CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520114772.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-12-05
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

Existing grate cooler fan ducts are prone to corrosion in high-temperature and dusty environments, leading to reduced hardness, deformation, and damage. Dust also easily clogs the ducts, affecting air supply efficiency.

Method used

The gas supply pipe is made of carbon fiber reinforced polymer or high-temperature ceramic matrix composite material, combined with a motor-driven sliding disc and brush to clean dust, an external protective pipe and a support plate structure, and inner and outer layers coated with ceramic coating and filled with heat insulation cotton.

Benefits of technology

Improve pipe strength and corrosion resistance, prevent dust blockage, ensure ventilation and air supply efficiency, and extend pipe life.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223635722U_ABST
    Figure CN223635722U_ABST
Patent Text Reader

Abstract

The utility model discloses a light-weight corrosion-resistant pipeline structure, which is applied to the technical field of grate cooler fan pipelines and comprises an air supply pipeline, a fixed column is welded inside the air supply pipeline, a motor is bolted at one end outside the air supply pipeline, a threaded rod rotatably connected with the fixed column is bolted at the output end of the motor, and the threaded rod is connected with the air supply pipeline. The surface of the threaded rod is sleeved with a threaded sleeve in a threaded mode, and the surface of the fixing column is slidably sleeved with a sliding disc. And the sliding disc is driven by the motor to slide back and forth in the air supply pipeline in a reciprocating manner, so that the brush can clean accumulated dust. Therefore, dust is prevented from blocking the pipeline, the temperature maintains the ventilation quantity of the pipeline, and the air supply efficiency of the grate cooler is guaranteed. The outer ring of the air supply pipeline is protected by installing the protection pipe, the supporting and fixing plate is used for supporting, damage caused by direct collision and extrusion of the air supply pipeline by external force can be prevented, and the air leakage condition is prevented. The structural strength of the pipeline is improved, and the service life of the pipeline is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the fan pipeline technical field of grate cooler, in particular to a kind of light weight corrosion-resistant pipeline structure. BACKGROUND

[0002] Grate cooler is a kind of industrial equipment for cement clinker cooling and conveying, mainly through fan pipeline to supply air to the inside of grate cooler.

[0003] At present, the Chinese utility model with publication number CN221592533U discloses a light weight corrosion-resistant aluminum pipe, which comprises a main aluminum pipe, an internal thread connector, an oxidation protective layer and an internal corrosion-resistant pipe.

[0004] In the existing fan pipeline system of grate cooler, the commonly used pipeline material is mostly traditional metal alloy. These materials are easily corroded in high-temperature and dust-containing environments, which reduces the hardness of the pipeline and causes deformation and damage on the surface, resulting in a shortened service life of the pipeline. Moreover, due to the use in a dust-containing environment, a large amount of dust is often attached and accumulated inside the pipeline. The existing pipeline cannot handle the accumulated dust inside, which can easily block the pipeline for a long time, thereby reducing the ventilation volume and affecting the air supply efficiency of the grate cooler. SUMMARY

[0005] The utility model aims at providing a light weight corrosion-resistant pipeline structure, which has the advantages of improving the strength of the pipeline, reducing the risk of breakage and leakage, and facilitating the cleaning of dust accumulated inside the pipeline.

[0006] The above technical purpose of the utility model is realized through the following technical scheme: a light-weight corrosion-resistant pipeline structure, including gas supply pipeline, the inside of gas supply pipeline is welded with fixed column, one end of gas supply pipeline outside is bolted with motor, the output of motor is bolted with threaded rod which is rotationally connected with fixed column, the surface of threaded rod is threadedly sleeved with threaded sleeve, the surface of fixed column is slidably sleeved with sliding disc, the inner surface of sliding disc is welded with connecting block which is welded with the surface of threaded sleeve, the surface of fixed column is opened and has guide sliding groove which is slidably connected with connecting block, the surface of sliding disc is bonded with brush which is used in cooperation with gas supply pipeline.

[0007] The above technical scheme is adopted, the sliding disc is driven by the motor to reciprocate in the inside of the gas supply pipeline, so that the accumulated dust can be cleaned by the brush, thereby preventing the dust from blocking the pipeline, maintaining the ventilation of the pipeline, and ensuring the air supply efficiency of the grate cooler.

[0008] The utility model further sets up: the surface of gas supply pipeline is fixedly sleeved with protection tube, the inner surface of protection tube is welded with supporting plate which is welded with the surface of gas supply pipeline.

[0009] The above technical scheme is adopted, the structural strength of the pipeline is improved, and the service life of the pipeline is increased.

[0010] The utility model further sets up: one end of the bottom of gas supply pipeline away from motor is fixedly connected with ash discharge port which is penetrated and welded with protection tube, the plunger is slidably inserted in the inside of ash discharge port.

[0011] The above technical scheme is adopted, the dust scraped off is discharged from the inside of the gas supply pipeline through the ash discharge port, and the ash discharge port can be sealed by the plunger, preventing gas leakage.

[0012] The utility model further sets up: one end of the top of gas supply pipeline away from ash discharge port is fixedly connected with air inlet which is penetrated and welded with protection tube, the top of air inlet is bolted with output fan, the output end of air inlet and output fan is fixedly connected.

[0013] The above technical scheme is adopted, the end of the gas supply pipeline away from the motor is communicated with the inside of the grate cooler, then the output fan is started to supply air to the inside of the grate cooler through the air inlet and the gas supply pipeline.

[0014] The utility model further sets up: the surface of gas supply pipeline and the inside of protection tube are filled with heat insulation cotton.

[0015] The above technical scheme can insulate and heat the inside of the pipeline, and reduce heat loss of the pipeline.

[0016] The utility model further sets up: gas supply pipeline and protection pipe all adopt carbon fiber reinforced polymer or high temperature ceramic base composite material make.

[0017] The above technical scheme can improve the structural strength of the pipeline, reduce the weight of the pipeline, improve the corrosion resistance, and increase the service life of the pipeline.

[0018] The utility model further sets up: the inner surface of gas supply pipeline is coated with ceramic coating.

[0019] The above technical scheme can improve the high-temperature resistance of the inside of the pipeline, thereby improving the overall durability of the pipeline.

[0020] In summary, the utility model has the following beneficial effects:

[0021] 1. The motor drives the sliding disc to reciprocate in the inside of the gas supply pipeline, so that the brush can clean the accumulated dust, thereby preventing dust from blocking the pipeline, maintaining the ventilation of the pipeline, and ensuring the air supply efficiency of the grate cooler.

[0022] 2. The protection pipe is installed to protect the outer ring of the gas supply pipeline, and the support plate is used for support to prevent damage to the gas supply pipeline caused by direct impact and extrusion of external force, and prevent air leakage. The structural strength of the pipeline is improved, and the service life of the pipeline is increased. DRAWINGS

[0023] Figure 1 The utility model structural schematic diagram is shown in the figure.

[0024] Figure 2 The utility model structure section view is shown in the figure.

[0025] Figure 3 The utility model one side structure section view is shown in the figure.

[0026] Figure 4 The utility model Figure 2 A point enlarged view in the utility model.

[0027] Reference signs: 1, gas supply pipeline, 2, fixed column, 3, motor, 4, threaded rod, 5, threaded sleeve, 6, sliding disc, 7, connecting block, 8, brush, 9, protection pipe, 10, support plate, 11, ash outlet, 12, plunger, 13, air inlet, 14, output fan, 15, heat insulation cotton, 16, guide sliding slot. DETAILED DESCRIPTION

[0028] The utility model will be further described in detail in combination with the drawings.

[0029] Embodiment 1:

[0030] With reference to Figure 1 , Figure 2 , Figure 3 , Figure 4 A light-weight corrosion-resistant pipeline structure, comprising a gas supply pipeline 1, a fixed column 2 is welded inside the gas supply pipeline 1, a motor 3 is bolted to one end of the outside of the gas supply pipeline 1, the output end of the motor 3 is bolted to a threaded rod 4 that is rotationally connected to the fixed column 2, a threaded sleeve 5 is threadedly sleeved on the surface of the threaded rod 4, a sliding disc 6 is slidingly sleeved on the surface of the fixed column 2, a connecting block 7 is welded to the inner surface of the sliding disc 6 and is welded to the surface of the threaded sleeve 5, a guide sliding groove 16 is opened on the surface of the fixed column 2 and is slidingly connected to the connecting block 7, and a brush 8 is bonded to the surface of the sliding disc 6 and is used in cooperation with the gas supply pipeline 1. The motor 3 drives the sliding disc 6 to reciprocate back and forth inside the gas supply pipeline 1, so that the brush 8 can clean away the accumulated dust. Thus, dust is prevented from blocking the pipeline, the temperature is maintained to maintain the ventilation of the pipeline, and the efficiency of supplying air to the grate cooler is ensured.

[0031] With reference to Figure 2 , Figure 3 A dust outlet 11 is fixedly connected to the bottom of the gas supply pipeline 1 away from the motor 3 and is penetrated and welded with the protective pipe 9, and a plunger 12 is slidingly inserted into the inside of the dust outlet 11. The dust scraped off is discharged from the inside of the gas supply pipeline 1 through the dust outlet 11, and the plunger 12 can seal the dust outlet 11 to prevent air leakage.

[0032] With reference to Figure 1 , Figure 2 An air inlet 13 is fixedly connected to the top of the gas supply pipeline 1 away from the dust outlet 11 and is penetrated and welded with the protective pipe 9, and an output fan 14 is bolted to the top of the air inlet 13, and the air inlet 13 is fixedly connected to the output end of the output fan 14. By connecting the end of the gas supply pipeline 1 away from the motor 3 to the inside of the grate cooler and then turning on the output fan 14, air can be supplied to the inside of the grate cooler through the air inlet 13 and the gas supply pipeline 1.

[0033] With reference to Figure 2 , Figure 3 Thermal insulation cotton 15 is filled between the surface of the gas supply pipeline 1 and the inside of the protective pipe 9. The inside of the pipeline is heat-insulated to reduce heat loss of the pipeline.

[0034] Brief description of the use process: by opening the motor 3 drive screw rod 4 in the fixed column 2 inside rotation, make screw rod 4 can with threaded sleeve 5 thread engagement. Then through the thread engagement force drive threaded sleeve 5 moves, at the same time through the guide chute 16 to the connecting block 7 limit, so that threaded sleeve 5 drive sliding disc 6 in the surface of fixed column 2 back and forth sliding, in the sliding disc 6 sliding process can use the brush 8 to brush the dust attached to the inner wall of the air supply pipeline 1 down. Finally through the sliding disc 6 to the dust push to the dust outlet 11 discharge air supply pipeline 1 inside after reset, make the sliding disc 6 will not block the air flow in the pipeline can.

[0035] Example 2:

[0036] Reference Figure 1 、 Figure 2 、 Figure 3 , a kind of light weight corrosion-resistant pipeline structure, the surface of air supply pipeline 1 is sleeved with protective tube 9, the inner surface of protective tube 9 is welded with the support plate 10 welded with the surface of air supply pipeline 1. By installing protective tube 9 to protect the outer ring of air supply pipeline 1, using support plate 10 to support can prevent external force from directly colliding and extruding air supply pipeline 1, causing damage, preventing air leakage. To improve the structural strength of the pipeline, increase the service life of the pipeline.

[0037] Reference Figure 1 、 Figure 2 , air supply pipeline 1 and protective tube 9 are made of carbon fiber reinforced polymer or high temperature ceramic matrix composite material. Improve the structural strength of the pipeline, reduce the weight of the pipeline and improve the corrosion resistance, increase the service life of the pipeline.

[0038] Reference Figure 1 、 Figure 2 , the inner surface of air supply pipeline 1 is coated with a ceramic coating. Improve the high temperature resistance of the pipeline, thereby improving the overall durability of the pipeline.

[0039] Brief description of the use process: by setting protective tube 9 on the surface of air supply pipeline 1, and welding between air supply pipeline 1 and protective tube 9 through support plate 10, so that protective tube 9 can be used to protect air supply pipeline 1, which can prevent external force from directly colliding and extruding air supply pipeline 1, avoiding deformation of air supply pipeline 1. At the same time, even if air supply pipeline 1 is corroded after long-term use, the protective tube 9 can prevent air leakage after the damage of air supply pipeline 1, thereby ensuring the air supply efficiency of the grate cooler.

[0040] This specific embodiment is only an explanation of the present application, which is not a limitation of the present application. Those skilled in the art can make modifications to this embodiment without creative contribution after reading the specification, but as long as it is within the scope of the claims of the present application, it is protected by the patent law.

Claims

1. A lightweight corrosion-resistant pipe structure comprising a gas supply pipe (1), characterized by: The inside of the gas supply pipeline (1) is welded with a fixed column (2), one end of the outside of the gas supply pipeline (1) is bolted with a motor (3), the output end of the motor (3) is bolted with a threaded rod (4) which is rotationally connected with the fixed column (2), the surface of the threaded rod (4) is threaded with a threaded sleeve (5), the surface of the fixed column (2) is slidingly sleeved with a sliding disc (6), the inner surface of the sliding disc (6) is welded with a connecting block (7) which is welded with the surface of the threaded sleeve (5), the surface of the fixed column (2) is opened with a guide sliding groove (16) which is slidingly connected with the connecting block (7), the surface of the sliding disc (6) is bonded with a brush (8) which is used in cooperation with the gas supply pipeline (1).

2. The light weight corrosion resistant pipe structure according to claim 1, wherein: The surface of the gas supply pipeline (1) is fixedly sleeved with a protective tube (9), the inner surface of the protective tube (9) is welded with a supporting plate (10) which is welded with the surface of the gas supply pipeline (1).

3. The lightweight corrosion resistant pipe structure according to claim 2, characterized by: The bottom of the gas supply pipeline (1) is fixedly communicated with an ash outlet (11) which is through-welded with the protective tube (9) away from the motor (3), the inside of the ash outlet (11) is slidingly inserted with a plunger (12).

4. The lightweight corrosion resistant pipe structure according to claim 3, characterized by: The top of the gas supply pipeline (1) is fixedly communicated with an air inlet (13) which is through-welded with the protective tube (9) away from the ash outlet (11), the top of the air inlet (13) is bolted with an output fan (14), the air inlet (13) is fixedly communicated with the output end of the output fan (14).

5. The lightweight corrosion resistant pipe structure of claim 2, wherein: The surface of the gas supply pipeline (1) and the inside of the protective tube (9) are filled with heat insulation cotton (15).

6. The light weight corrosion resistant pipe structure according to claim 2, wherein: The gas supply pipeline (1) and the protective tube (9) are both made of carbon fiber reinforced polymer or high-temperature ceramic matrix composite material.

7. The lightweight corrosion resistant pipe structure of claim 1, wherein: The inner surface of the gas supply pipeline (1) is coated with ceramic coating.

Citation Information

Patent Citations

  • Lightweight internal thread corrosion-resistant aluminum pipe

    CN221592533U