Coal tar material supply device with non-return structure

By introducing a check valve structure into the coal tar material supply device, and using support components and check blocks to prevent liquid backflow, the backflow problem in the coal tar transportation process is solved, thereby improving the stability and safety of the equipment.

CN223832280UActive Publication Date: 2026-01-27XINJIANG TIANYU COAL CHEM GRP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520243845.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-01-27
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Traditional coal tar material supply devices suffer from backflow during the transportation process, leading to unnecessary energy consumption and equipment wear, which affects production stability and safety.

Method used

A coal tar material supply device with a check valve structure was designed, including a support assembly and a check block. The device uses the cooperation of springs and blocks to prevent liquid backflow and ensure that the material flows in a predetermined direction.

Benefits of technology

It effectively prevents coal tar backflow, reduces equipment wear and safety risks, lowers production costs, and improves production stability and safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223832280U_ABST
    Figure CN223832280U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of non-return, in particular to a coal tar material supply device with a non-return structure, which comprises a supporting assembly, the supporting assembly comprises a supporting rod, a supporting ring is fixedly connected to the surface of the supporting rod, a reaction assembly is fixedly connected to the supporting ring, a reaction furnace is fixedly connected to a connecting pipe, and the connecting pipe is fixedly connected to a support. The support is slidably connected with a connecting rod, one end of the connecting rod is fixedly connected with a check block, the connecting rod is sleeved with a spring, the connecting rod is fixedly connected with a non-return block, the supporting rod is fixedly connected with a transverse rod, the transverse rod is fixedly connected with a supply assembly, the supply assembly comprises an oil tank, and the other end of the transverse rod is fixedly connected with a liquid sulfur tank. The check structure can effectively prevent the coal tar from backflow in the conveying process, when the conveying pump stops working or breaks down, the check valve can be closed immediately, the coal tar is prevented from flowing back to the storage tank or other conveying links, it is guaranteed that materials flow in the preset direction, and the stability and continuity of the production process are guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of check valve technology, and more specifically, to a coal tar material supply device with a check valve structure. Background Technology

[0002] Coal tar is one of the products of crude coal gas generated during the pyrolysis of coal in the coking industry. Its output accounts for about 3% to 4% of the coal charged into the furnace. Its composition is extremely complex, and in most cases, it is separated and purified by the coal tar industry for utilization. Under normal temperature and pressure, its product is a black viscous liquid. Further processing of the various fractions can separate a variety of products, such as mothballs, asphalt, plastics, and pesticides.

[0003] Traditional coal tar supply systems have certain drawbacks in preventing backflow. Backflow causes coal tar to repeatedly flow through pipelines and equipment, increasing unnecessary energy consumption. The transfer pump needs to consume more electricity to overcome the resistance caused by backflow, reducing the overall energy efficiency of the material supply process and increasing production costs. During coal tar transportation, if the transfer pump stops working or malfunctions, without a check valve, coal tar may backflow due to pressure differences in the pipeline. This not only causes coal tar already transported to a specific location to flow back to the storage tank or other transportation links, affecting normal production progress, but may also cause coal tar to mix with other substances, resulting in material contamination and reduced product quality.

[0004] Therefore, there is an urgent need for a coal tar material supply device with a check valve structure to improve the shortcomings of the existing technology. Utility Model Content

[0005] The purpose of this invention is to provide a coal tar material supply device with a check valve structure to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides a coal tar material supply device with a check valve structure, comprising a support assembly, a support rod, a support ring fixedly connected to the surface of the support rod, a reaction assembly fixedly connected to the support ring, a reaction assembly including a reactor, a connecting pipe fixedly connected to the upper surface of the reactor, a bracket fixedly connected inside the connecting pipe, a connecting rod slidably connected to the center of the bracket, a stop block fixedly connected to one end of the connecting rod, a spring sleeved on the connecting rod, and a check block fixedly connected to the other end of the connecting rod to prevent backflow of liquid in the reactor. A crossbar fixedly connected to the lower end of the support rod, a supply assembly fixedly connected to the upper surface of the crossbar, the supply assembly including an oil tank fixedly connected to the crossbar, and a liquid sulfur tank fixedly connected to the other end of the crossbar.

[0007] As a further improvement to this technical solution, a support base is fixedly connected to the lower end of the support rod, and a fixing ring is fixedly connected to the upper end of the support rod, and the fixing ring is fixedly connected to the reactor.

[0008] As a further improvement to this technical solution, a filling valve is fixedly connected to one end of the oil tank, and one end of the filling valve is threaded for easy connection. An oil conduit is fixedly connected to the other end of the oil tank. A filling valve is fixedly connected to one end of the liquid sulfur tank, and a liquid sulfur conduit is fixedly connected to one end of the liquid sulfur tank.

[0009] As a further improvement to this technical solution, a breather valve is fixedly connected to the upper surface of the reactor. The breather valve is used for gas flow. One end of the breather valve is connected to a filter device. A lower flange is fixedly connected to the upper surface of the connecting pipe. An upper flange is fixedly connected to the upper surface of the lower flange. Fixing screws are inserted into the upper flange and the lower flange. The upper flange and the lower flange are fixedly connected by fixing screws. A tee pipe is fixedly connected to the upper surface of the upper flange.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] This coal tar material supply device with a check valve effectively prevents backflow of coal tar during transportation. When the conveying pump stops working or malfunctions, the check valve immediately closes, preventing coal tar from flowing back into the storage tank or other conveying links. This ensures that the material flows in the predetermined direction, guaranteeing the stability and continuity of the production process. It also avoids the reverse impact of backflowing coal tar on the conveying pump, pipelines, and other equipment, reducing wear and damage risks, extending equipment lifespan, and lowering maintenance costs and replacement frequency. Coal tar is a flammable, explosive, and corrosive substance; the check valve prevents leakage and spillage, reducing the risk of fires, explosions, and other safety accidents, protecting personnel and company property, and also reducing environmental pollution. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of the embodiment;

[0013] Figure 2 This is a schematic diagram of the supply component structure for an embodiment;

[0014] Figure 3 This is a schematic diagram of the reaction component structure in an embodiment;

[0015] Figure 4 This is a schematic diagram of the check valve structure in an embodiment.

[0016] The meanings of the labels in the diagram are as follows:

[0017] 1. Support assembly; 10. Support rod; 11. Support base; 12. Crossbar; 13. Support ring; 14. Fixing ring;

[0018] 2. Supply components; 20. Oil tank; 21. Filling valve one; 22. Liquid sulfur tank; 23. Filling valve two; 24. Oil conduit; 25. Liquid sulfur conduit;

[0019] 3. Reaction assembly; 30. Reactor; 31. Breathing valve; 32. T-pipe; 33. Upper flange; 34. Lower flange; 35. Fixing screw; 36. Connecting pipe; 37. Bracket; 38. Stop block; 39. Spring; 310. Connecting rod; 311. Check block. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1-4 As shown, this embodiment provides a coal tar material supply device with a check valve structure, including a support assembly 1. The support assembly 1 includes a support rod 10, a support ring 13 fixedly connected to the surface of the support rod 10, a reaction assembly 3 fixedly connected to the support ring 13, a reaction assembly 3 including a reactor 30, a connecting pipe 36 fixedly connected to the upper surface of the reactor 30, a bracket 37 fixedly connected inside the connecting pipe 36, a connecting rod 310 slidably connected to the center of the bracket 37, a stop block 38 fixedly connected to one end of the connecting rod 310, a spring 39 sleeved on the connecting rod 310, and a check block 311 fixedly connected to the other end of the connecting rod 310. The check block 311 is used to prevent liquid backflow in the reactor 30. A crossbar 12 is fixedly connected to the lower end of the support rod 10, and a supply assembly 2 is fixedly connected to the upper surface of the crossbar 12. The supply assembly 2 includes an oil tank 20, which is fixedly connected to the crossbar 12. A liquid sulfur tank 22 is fixedly connected to the other end of the crossbar 12.

[0022] The working principle is as follows: First, oil tank 20 is used to store coal tar, and liquid sulfur tank 22 may be used to store liquid sulfur and other substances related to coal tar processing. When materials are supplied to reactor 30, the materials flow from oil tank 20 or liquid sulfur tank 22 to reactor 30 through pipelines under pressure. During normal transport, the materials push check block 311 to overcome the elastic force of spring 39 and move into reactor 30, smoothly entering reactor 30 to participate in the reaction. When abnormal situations occur, such as a sudden increase in pressure inside reactor 30 causing a tendency for liquid backflow, under the action of spring 39 and liquid pressure difference, check block 311 moves towards connecting pipe 36, cooperating with stop block 38 to block the channel of connecting pipe 36, thereby preventing liquid in reactor 30 from flowing back to supply component 2, avoiding damage to supply component 2 and conveying pipelines, and ensuring the stability and safety of the material supply system. Support rod 10 and support ring 13 provide a stable support structure for reaction component 3, etc.

[0023] To provide support, in this embodiment, the lower end of the support rod 10 is fixedly connected to a support base 11, and the upper end of the support rod 10 is fixedly connected to a fixing ring 14. The fixing ring 14 is fixedly connected to the reactor 30. The support rod 10 serves as a support and load-bearing component. The main function of the support rod 10 is to ensure that the reactor 30 remains stable and to prevent positional displacement or tilting due to vibration or external pressure. The support rod 10 connects the reactor 30 to the ground or other fixed structures through the support base 11, providing the necessary support force. The connection between the fixing ring 14 and the reactor 30 is usually achieved by welding or mechanical connection to ensure that the reactor 30 does not move during operation. The function of the fixing ring 14 is to transmit the force of the support rod 10 to the reactor 30 and keep the reactor 30 fixed and stable during operation.

[0024] To facilitate material supply, in this embodiment, one end of oil tank 20 is fixedly connected to a filling valve 21, which has a threaded connection for easy connection. The other end of oil tank 20 is fixedly connected to an oil conduit 24. One end of liquid sulfur tank 22 is fixedly connected to a filling valve 23, and the other end of liquid sulfur tank 22 is fixedly connected to a liquid sulfur conduit 25. The filling valve 21 is also fixedly connected to one end of oil tank 20 and connected to other equipment via a thread for easy refueling. The other end of oil tank 20 is fixedly connected to an oil conduit 24 for transporting oil to other equipment or systems. One end of liquid sulfur tank 22 is fixedly connected to a filling valve 23 for injecting liquid sulfur, and the other end of liquid sulfur tank 22 is fixedly connected to a liquid sulfur conduit 25 for transporting liquid sulfur. These connections work together to achieve effective connection and fluid transfer between oil tank 20 and liquid sulfur tank 22 and external systems.

[0025] To provide space for the reaction, in this embodiment, a breather valve 31 is fixedly connected to the upper surface of the reactor 30. The breather valve 31 is used for gas flow, and one end of the breather valve 31 is connected to a filter device. A lower flange 34 is fixedly connected to the upper surface of the connecting pipe 36, and an upper flange 33 is fixedly connected to the upper surface of the lower flange 34. Fixing screws 35 are inserted into the upper flange 33 and lower flange 34, and the upper flange 33 and lower flange 34 are fixedly connected by the fixing screws 35. A tee pipe 32 is fixedly connected to the upper surface of the upper flange 33. The breather valve 31 is fixedly connected to the upper surface of the reactor 30 to regulate the flow of gas inside and outside the reactor 30. The breather valve 31 is connected to the filter device through a pipe, and the filter device purifies the gas and prevents the release of harmful substances. The lower flange 34 is fixedly connected to the upper surface of the connecting pipe 36, and the lower flange 34 is connected to the upper flange 33 by fixing screws 35 to ensure the stability and sealing of the pipeline. A tee pipe 32 is fixedly connected to the upper surface of the upper flange 33. The tee pipe 32 can connect or split multiple pipes, further adjust the gas flow path, and thus ensure the smooth and safe flow of gas inside and outside the reactor 30.

[0026] In this embodiment, a coal tar material supply device with a check valve structure is used in practice. First, the support rod 10 serves as a support and load-bearing component. The main function of the support rod 10 is to ensure that the reactor 30 remains stable and to prevent positional displacement or tilting due to vibration or external pressure. The support rod 10 connects the reactor 30 to the ground or other fixed structures through the support base 11, providing the necessary support force. The connection between the fixing ring 14 and the reactor 30 is usually achieved by welding or mechanical connection. The purpose is to ensure that the reactor 30 does not move during operation. The function of the fixing ring 14 is to transmit the force of the support rod 10 to the reactor 30 and keep the reactor 30 fixed and stable during operation. The oil tank 20 is used to store coal tar, and the liquid sulfur tank 22 may be used to store liquid sulfur and other substances related to coal tar processing. When materials are supplied to the reactor 30, the materials flow from the oil tank 20 or liquid sulfur tank 22 through pipelines under pressure and other conditions to the reactor 30. A breather valve 31 is fixedly connected to the upper surface of the reactor 30 to regulate the flow of gas inside and outside the reactor 30. The breather valve 31 is connected to a filter device through a pipeline. The filter device purifies the gas and prevents the release of harmful substances. During normal transportation, the material pushes the check block 311 to overcome the elastic force of the spring 39 and move into the reactor 30, smoothly entering the reactor 30 to participate in the reaction. When an abnormal situation occurs, such as a sudden increase in pressure inside the reactor 30 that causes a tendency for liquid to flow back, the check block 311 moves towards the connecting pipe 36 under the action of the elastic force of the spring 39 and the liquid pressure difference. It cooperates with the stop block 38 to block the channel of the connecting pipe 36, thereby preventing the liquid in the reactor 30 from flowing back to the supply component 2, avoiding damage to the supply component 2 and the conveying pipeline, and ensuring the stability and safety of the material supply system. The support rod 10 and support ring 13 provide a stable support structure for the reaction assembly 3, etc. A lower flange 34 is fixedly connected to the upper surface of the connecting pipe 36. The lower flange 34 is connected to the upper flange 33 by fixing screws 35 to ensure the stability and sealing of the pipeline. A tee pipe 32 is fixedly connected to the upper surface of the upper flange 33. The tee pipe 32 can realize the connection or diversion between multiple pipelines, further adjust the gas flow path, and thus ensure the smooth and safe flow of gas inside and outside the reactor 30.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A coal tar material supply device with a check valve structure, comprising a support assembly (1), characterized in that: The support assembly (1) includes a support rod (10), a support ring (13) is fixedly connected to the surface of the support rod (10), a reaction assembly (3) is fixedly connected to the support ring (13), the reaction assembly (3) includes a reactor (30), a connecting pipe (36) is fixedly connected to the upper surface of the reactor (30), a bracket (37) is fixedly connected inside the connecting pipe (36), a connecting rod (310) is slidably connected to the center of the bracket (37), and a stop block (38) is fixedly connected to one end of the connecting rod (310). A spring (39) is sleeved on the connecting rod (310). A check block (311) is fixedly connected to the other end of the connecting rod (310). The check block (311) is used to prevent liquid backflow in the reactor (30). A crossbar (12) is fixedly connected to the lower end of the support rod (10). A supply component (2) is fixedly connected to the upper surface of the crossbar (12). The supply component (2) includes an oil tank (20). The oil tank (20) is fixedly connected to the crossbar (12). A liquid sulfur tank (22) is fixedly connected to the other end of the crossbar (12).

2. The coal tar material supply device with a check valve structure according to claim 1, characterized in that: The lower end of the support rod (10) is fixedly connected to a support base (11), and the upper end of the support rod (10) is fixedly connected to a fixing ring (14). The fixing ring (14) is fixedly connected to the reactor (30).

3. The coal tar material supply device with a check valve structure according to claim 1, characterized in that: One end of the oil tank (20) is fixedly connected to a filling valve (21), and one end of the filling valve (21) is threaded for easy connection. The other end of the oil tank (20) is fixedly connected to an oil conduit (24). One end of the liquid sulfur tank (22) is fixedly connected to a filling valve (23), and one end of the liquid sulfur tank (22) is fixedly connected to a liquid sulfur conduit (25).

4. The coal tar material supply device with a check valve structure according to claim 1, characterized in that: A breather valve (31) is fixedly connected to the upper surface of the reactor (30). The breather valve (31) is used for gas flow. One end of the breather valve (31) is connected to a filter device. A lower flange (34) is fixedly connected to the upper surface of the connecting pipe (36). An upper flange (33) is fixedly connected to the upper surface of the lower flange (34). Fixing screws (35) are inserted into the upper flange (33) and the lower flange (34). The upper flange (33) and the lower flange (34) are fixedly connected by fixing screws (35). A three-way pipe (32) is fixedly connected to the upper surface of the upper flange (33).