Coal tar processing device for coal tar mortar production
By employing layered dehydration and stirring technology in the coal tar processing unit, the problems of low efficiency and uneven heating in existing equipment have been solved, achieving efficient and uniform coal tar dehydration.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LUOYANG HUARAN PETROCHEM TECH
- Filing Date
- 2025-07-21
- Publication Date
- 2026-06-23
AI Technical Summary
Existing coal tar dehydration devices are inefficient, energy-intensive, and suffer from uneven heating and insufficient mixing, which affects the dehydration effect.
The coal tar processing device employs a stratified dehydration process, comprising multiple baffles separating the processing chambers within a vertical tank, equipped with heating pipes, exhaust pipes, and buoyancy switches, and combined with motor-driven stirring blades to achieve stratified heating, uniform stirring, and impurity filtration of the coal tar.
It significantly shortens the dehydration time, improves the heating uniformity and dehydration efficiency of coal tar, and ensures efficient and high-quality dehydration treatment.
Smart Images
Figure CN224394812U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of coal tar processing technology, and in particular to a coal tar processing device for the production of coal tar slurry. Background Technology
[0002] Coal tar is a byproduct of coal coking and contains a large amount of moisture (usually 10%-30%) and solid impurities (such as coke powder and carbon black). In the production of coal tar slurry, the moisture content needs to be reduced to below 1% through dehydration to ensure the high-temperature adhesion and stability of the product. Currently, coal tar dehydration is mainly carried out by heating and settling or heating and stirring. Among them, heating and settling utilizes settling to achieve the separation of water and coal tar, thereby achieving the purpose of dehydration. However, this method has low dehydration efficiency and takes a long time. Therefore, in order to improve dehydration efficiency, heating and stirring is now more widely used for high-efficiency dehydration.
[0003] However, in the process of heating, stirring and dehydrating coal tar, the dehydration kettle has a relatively simple structure and its capacity is mostly around 5000L in order to meet production needs. When a large amount of coal tar is dehydrated in the dehydration kettle, not only does the dehydration kettle need to consume a lot of energy to heat up, but the coal tar is also heated slowly during the heating process, and it cannot be heated fully and evenly. In addition, it cannot be stirred sufficiently in the subsequent stirring process, which seriously affects its dehydration efficiency. Therefore, there is an urgent need for a coal tar processing device that can efficiently dehydrate coal tar. Utility Model Content
[0004] To overcome the shortcomings of the prior art, this utility model discloses a coal tar processing device for the production of coal tar slurry. This utility model, through a layered dehydration treatment of coal tar, not only effectively shortens the settling distance of the coal tar but also enables thorough and efficient heating and dehydration of the coal tar. To achieve the above objectives, this utility model adopts the following technical solution:
[0005] A coal tar processing device for producing coal tar slurry includes a vertically arranged tank with a feed inlet at the top and a discharge outlet at the bottom. Several baffles are spaced from top to bottom inside the tank, dividing the tank's interior into several processing chambers. Each baffle has a discharge outlet on one side of its upper surface, connecting to an adjacent processing chamber. The device also includes:
[0006] Heating pipes are installed on the inner wall of the processing chamber and surround the processing chamber, and are used to heat, evaporate and dehydrate the coal tar in the processing chamber;
[0007] The exhaust pipe is sealed and passes through several partitions in sequence along the axial direction of the tank. The lower end of the exhaust pipe inside the tank is a sealed structure. An air inlet is provided on the upper side of the exhaust pipe in each processing chamber. The upper end of the exhaust pipe is sealed and passes through the tank and cooperates with several air inlets to form an airflow channel for discharging water vapor.
[0008] A buoyancy switch is installed at the bottom of each feed port. The buoyancy switch controls the opening and closing of the feed port as the level of coal tar in the processing chamber rises or falls.
[0009] Furthermore, the upper part of the tank is equipped with a motor for driving the exhaust pipe to rotate. The exhaust pipe rotation seal passes through the tank and several partitions. The lower side of the exhaust pipe body located in each processing chamber is equipped with stirring blades for stirring the coal tar in the processing chamber.
[0010] Furthermore, the upper end of the exhaust pipe that penetrates the tank is a sealed structure, and the exhaust port is located on the side wall of the upper end of the exhaust pipe.
[0011] Furthermore, the buoyancy switch includes:
[0012] The mounting bracket is located at the bottom of the partition and corresponds to the discharge port.
[0013] The guide rod is vertically installed inside the mounting frame, and its lower end extends through to the lower part of the mounting frame.
[0014] A float, located at the lower end of the guide rod, is used to drive the guide rod to move vertically up and down using the level of coal tar.
[0015] The blocking piston is located at the upper end of the guide rod, and the opening or closing of the feed port is achieved by raising and lowering the guide rod.
[0016] Furthermore, the mounting frame is a cylindrical structure with an open top and a closed bottom. The inner diameter of the mounting frame is larger than the diameter of the discharge port. The upper end of the mounting frame is detachably connected to the partition plate. Several filter holes for filtering coal tar are evenly distributed on the lower side and bottom of the side wall of the mounting frame.
[0017] Furthermore, the diameter of the filter holes on the mounting brackets decreases sequentially from top to bottom.
[0018] Furthermore, the upper side wall of the mounting frame is provided with an opening for overflowing and discharging coal tar inside the mounting frame.
[0019] Furthermore, an inspection port is provided on the inner wall of the processing cavity near the buoyancy switch to facilitate the disassembly and maintenance of the buoyancy switch, and an openable and closable sealing cover is provided on the outside of the inspection port.
[0020] Furthermore, the upper end of the discharge port is lower than the upper surface of the partition, and the upper end of the discharge port and the upper surface of the partition form a discharge slope.
[0021] Furthermore, the lower surface of the baffle is a conical flow guide surface.
[0022] Compared with the prior art, the beneficial effects of this utility model are: by setting multiple processing chambers in the tank, the layered heating and dehydration of coal tar is realized, which not only shortens the settling distance of coal tar and greatly reduces the dehydration time, but also effectively improves the uniformity of heating of coal tar, and greatly improves the dehydration quality and efficiency of coal tar.
[0023] By setting up a feeding port and a buoyancy switch, not only can multiple processing chambers be connected for feeding, but the content of coal tar in each processing chamber can also be precisely controlled, providing strong support for the subsequent efficient dehydration of coal tar.
[0024] By setting up airflow channels, water vapor in each processing chamber can be effectively discharged, providing strong support for the dehydration treatment of coal tar.
[0025] By setting up a motor and stirring blades, the coal tar in the processing chamber can be stirred, thereby improving the uniformity of heating of the coal tar and providing strong support for the efficient dehydration of coal tar.
[0026] By setting filter holes on the mounting frame, solid impurities such as coke powder and carbon black in coal tar can be effectively screened and filtered, thereby improving the dehydration efficiency of coal tar and improving the heating uniformity of coal tar.
[0027] By setting an opening on the mounting frame, when a large amount of solid impurities filtered out of the mounting frame clog the filter holes, or when the filtration efficiency of coal tar is low and makes it difficult to discharge coal tar, the coal tar can overflow through the opening, thus providing a strong guarantee for the smooth discharge of coal tar.
[0028] This invention, through a layered dehydration process for coal tar, not only effectively shortens the settling distance of coal tar but also enables thorough and efficient heating and dehydration, providing strong support for high-efficiency and high-quality dehydration of coal tar. Attached Figure Description
[0029] Figure 1 This is a schematic diagram of the structure of this utility model;
[0030] Figure 2 This is a schematic diagram of the floating switch structure of this utility model;
[0031] Figure 3 This is a schematic diagram of the partition structure of this utility model.
[0032] In the diagram: 1. Motor; 2. Bracket; 3. Exhaust pipe; 3.1. Exhaust port; 3.2. Stirring blade; 3.3. Air inlet; 3.4. Airflow channel; 4. Tank body; 4.1. Feed inlet; 4.2. Processing chamber; 4.3. Heating pipe; 4.4. Inspection port; 4.5. Discharge port; 5. Baffle; 5.1. Discharge port; 5.2. Discharge ramp; 5.3. Guide surface; 6. Buoyancy switch; 6.1. Mounting bracket; 6.2. Opening; 6.3. Filter hole; 6.4. Sealing piston; 6.5. Guide rod; 6.6. Float. Detailed Implementation
[0033] The technical solution of this utility model will be described below with reference to the accompanying drawings of the embodiments of this utility model. In the description, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right" indicating the orientation or positional relationship, they are only corresponding to the drawings of this utility model for the convenience of describing this utility model, and do not indicate or imply that the device or element referred to must have a specific orientation.
[0034] Please refer to the instruction manual appendix. Figure 1-3 This utility model provides a technical solution:
[0035] Example 1: A coal tar processing device for producing coal tar slurry includes a vertically arranged tank 4. The upper part of the tank 4 is provided with a feed inlet 4.1, and the bottom of the tank 4 is provided with a discharge outlet 4.5. Several partitions 5 are arranged from top to bottom inside the tank 4, dividing the inner cavity of the tank 4 into several processing chambers 4.2. The processing chambers 4.2 are provided with heating pipes 4.3 arranged around the processing chambers 4.2 for heating, evaporating and dehydrating the coal tar in the processing chambers 4.2. The heating pipes 4.3 can be embedded in the inner wall of the processing chambers 4.2.
[0036] To ensure that coal tar can effectively and appropriately enter each processing chamber 4.2 during the feeding process, each partition 5 has a discharge port 5.1 on one side of its upper surface, connecting to the adjacent processing chamber 4.2. Each discharge port 5.1 is equipped with a buoyancy switch 6 at its lower part, which can control the opening and closing of the discharge port 5.1 by rising or falling with the liquid level of coal tar in the processing chamber 4.2. Specifically, the buoyancy switch 6 includes a mounting bracket 6.1, a guide rod 6.5, a float 6.6, and... The sealing piston 6.4 and the mounting bracket 6.1 are located at the lower part of the partition plate 5 and correspond to the discharge port 5.1. The guide rod 6.5 is vertically installed inside the mounting bracket 6.1 and its lower end can move through to the lower part of the mounting bracket 6.1. The float 6.6 is located at the lower end of the guide rod 6.5 and is used to drive the guide rod 6.5 to move vertically up and down using the liquid level of coal tar. The sealing piston 6.4 is located at the upper end of the guide rod 6.5 and the discharge port 5.1 is closed or opened by the raising and lowering of the guide rod 6.5.
[0037] In order to ensure that the water vapor in each processing chamber 4.2 can be effectively discharged during the heating and dehydration process of coal tar, the upper part of the tank body 4 is provided with an exhaust pipe 3 that seals and penetrates several partitions 5 in sequence along the axial direction of the tank body 4. The lower end of the exhaust pipe 3 located in the tank body 4 is a sealed structure. Each exhaust pipe 3 located in each processing chamber 4.2 is provided with an air inlet 3.3 on the upper side of the pipe body. The exhaust pipe 3 and several air inlets 3.3 cooperate to form an airflow channel 3.4 for discharging water vapor.
[0038] During the coal tar feeding process, the blocking piston 6.4 automatically descends under the influence of gravity, and the discharge port 5.1 is in an open state. The coal tar enters the processing chamber 4.2 through the discharge port 5.1 on the partition 5. Since the processing chambers 4.2 are interconnected through the discharge ports 5.1, the coal tar will first accumulate in the lowest processing chamber 4.2. As the coal tar level in the lowest processing chamber 4.2 rises, it drives the float 6.6 and the guide rod 6.5 to rise, eventually causing the blocking piston 6.4 to block the discharge port 5.1 at the top of the lowest processing chamber 4.2. After the discharge port 5.1 at the top of the lowest processing chamber 4.2 is blocked, the coal tar will accumulate in the second to last processing chamber 4.2, thus achieving appropriate storage of coal tar in each processing chamber 4.2.
[0039] During the heating and dehydration process of coal tar, multiple processing chambers 4.2 are used to achieve layered storage of coal tar. Compared with the traditional single dehydration tank structure, the settling distance of coal tar is effectively shortened, thereby greatly reducing the dehydration time, improving the uniformity of heating of coal tar, and greatly improving the dehydration quality and efficiency of coal tar. During the heating process of coal tar in heating pipe 4.3, the water in the coal tar evaporates to generate water vapor. The water vapor enters the exhaust pipe 3 through the air inlet 3.3 and then exits the tank 4 from the upper end of the exhaust pipe 3.
[0040] After dehydration is complete, simply open the discharge port 4.5 at the bottom of tank 4. As the coal tar in the lowest processing chamber 4.2 is continuously discharged through the discharge port 4.5, the drop in the coal tar level also causes the buoyancy switch 6 to drop, thereby opening the upper discharge port 5.1. The coal tar in the upper processing chamber 4.2 will fall into the lowest processing chamber 4.2 through the discharge port 5.1 and then be discharged through the discharge port 4.5. This process is repeated to ultimately achieve the discharge of dehydrated coal tar from multiple processing chambers 4.2.
[0041] Furthermore, in order to ensure that water vapor can enter the air inlet 3.3 efficiently, the lower surface of the baffle 5 is a conical guide surface 5.3. In order to ensure that the coal tar in each processing chamber 4.2 can be smoothly discharged downward from the discharge port 5.1 during the discharge of coal tar, the upper end of the discharge port 5.1 is lower than the upper surface of the baffle 5, similar to the setting principle of the existing bathroom floor drain. The upper end of the discharge port 5.1 and the upper surface of the baffle 5 cooperate to form a discharge slope 5.2.
[0042] In Example 2, during the dehydration process of coal tar, in order to ensure the uniform heating of the coal tar and improve the dehydration efficiency, a support 2 is provided on the upper part of the tank body 4. A motor 1 for driving the exhaust pipe 3 to rotate is provided on the upper part of the support 2. Correspondingly, the upper end of the exhaust pipe 3 has a sealed structure, and the exhaust port 3.1 is set on the side wall of the upper end of the exhaust pipe 3. The output end of the motor 1 is connected to the upper end of the exhaust pipe 3 for driving. The exhaust pipe 3 rotates and seals through the tank body 4 and several partitions 5. The lower side of the exhaust pipe 3 in each processing chamber 4.2 is provided with stirring blades 3.2 for stirring the coal tar in the processing chamber 4.2. The stirring blades 3.2 can stir the coal tar in the processing chamber 4.2, thereby providing strong support for the efficient dehydration of coal tar.
[0043] In Example 3, during the coal tar feeding process, in order to achieve preliminary filtration of solid impurities such as coke powder and carbon black in the coal tar and provide strong support for the subsequent high-quality dehydration of coal tar, the mounting frame 6.1 is a cylindrical structure with an open upper end and a closed lower end. The inner diameter of the mounting frame 6.1 is larger than the diameter of the discharge port 5.1. The upper end of the mounting frame 6.1 is connected to the partition plate 5. Several filter holes 6.3 for filtering coal tar are evenly distributed on the lower side wall and bottom of the mounting frame 6.1. When the coal tar enters the lower processing chamber 4.2 through the discharge port 5.1, the filter holes 6.3 on the mounting frame 6.1 can perform preliminary filtration of the fixed impurities inside. In order to improve the filtration effect, the aperture of the filter holes 6.3 on the mounting frames 6.1 from top to bottom is successively reduced, so that when the coal tar flows through multiple discharge ports 5.1, the fixed impurities in the coal tar are filtered and screened step by step.
[0044] To facilitate the daily cleaning of impurities inside the mounting bracket 6.1, the mounting bracket 6.1 can be installed by snap-fitting with the partition plate 5 or by bolting with connectors. The inner wall of the processing cavity 4.2 near the buoyancy switch 6 is provided with an inspection port 4.4 to facilitate the disassembly and maintenance of the buoyancy switch 6. The outside of the inspection port 4.4 is provided with an openable and closable sealing cover.
[0045] In Example 4, during the filtration of coal tar through the filter holes 6.3 on the mounting frame 6.1, the filter holes 6.3 are only for primary filtration of solid impurities in the coal tar, not for complete filtration. Although the presence of solid impurities can adversely affect the dehydration of coal tar, they can be removed through subsequent refining. However, when a large amount of solid impurities filtered out of the mounting frame 6.1 clogs the filter holes 6.3, or when the filtration efficiency of the coal tar is low, making it difficult to discharge the coal tar, it can easily affect the coal tar feeding operation, thereby affecting the subsequent dehydration process. Therefore, the upper side wall of the mounting frame 6.1 is provided with an opening 6.2 for overflow discharge of coal tar in the mounting frame 6.1. When the filter holes 6.3 are clogged, the unfiltered coal tar accumulates in the mounting frame 6.1 and can overflow and be discharged into the processing chamber 4.2 below through the opening 6.2, thus not affecting the normal coal tar feeding operation.
[0046] The parts of this utility model not described in detail are prior art. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that this utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the above embodiments should be regarded as exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended to include all changes that fall within the meaning and scope of the equivalents of the claims in this utility model, and no reference numerals in the claims should be regarded as limiting the content of the claims.
Claims
1. A coal tar processing device for producing coal tar slurry, comprising a vertically arranged tank (4), an inlet (4.1) at the top of the tank (4), a outlet (4.5) at the bottom of the tank (4), and several partitions (5) spaced from top to bottom inside the tank (4), the partitions (5) dividing the inner cavity of the tank (4) into several processing chambers (4.2), each partition (5) having a discharge port on one side of its upper surface that connects to the adjacent processing chamber (4.2). 5.1), characterized in that, Also includes: Heating pipe (4.3) is installed on the inner wall of processing chamber (4.2) and surrounds processing chamber (4.2) for heating, evaporating and dehydrating coal tar in processing chamber (4.2); The exhaust pipe (3) is sealed and passes through several partitions (5) in sequence along the axial direction of the tank body (4). The lower end of the exhaust pipe (3) located in the tank body (4) is a sealed structure. The upper side of the exhaust pipe (3) located in each processing chamber (4.2) is provided with an air inlet (3.3). The upper end of the exhaust pipe (3) is sealed and passes through the tank body (4) and cooperates with several air inlets (3.3) to form an airflow channel (3.4) for discharging water vapor. A buoyancy switch (6) is installed at the bottom of each feed port (5.1). The buoyancy switch (6) controls the opening or closing of the feed port (5.1) as the level of coal tar in the processing chamber (4.2) rises or falls.
2. The coal tar processing device for producing coal tar slurry according to claim 1, characterized in that: The upper part of the tank (4) is equipped with a motor (1) for driving the exhaust pipe (3) to rotate. The exhaust pipe (3) rotates through the tank (4) and several partitions (5). The exhaust pipe (3) located in each processing chamber (4.2) is equipped with stirring blades (3.2) on the lower side of the pipe body for stirring the coal tar in the processing chamber (4.2).
3. The coal tar processing device for producing coal tar slurry according to claim 2, characterized in that: The upper end of the exhaust pipe (3) that penetrates the tank body (4) is a sealed structure, and the exhaust port (3.1) is located on the side wall of the upper end of the exhaust pipe (3).
4. The coal tar processing device for producing coal tar slurry according to claim 1, characterized in that: The buoyancy switch (6) includes: The mounting bracket (6.1) is located at the bottom of the partition (5) and corresponds to the discharge port (5.1); The guide rod (6.5) is vertically installed inside the mounting bracket (6.1) and its lower end extends through to the lower part of the mounting bracket (6.1); A float (6.6) is located at the lower end of the guide rod (6.5) and is used to drive the guide rod (6.5) to move vertically up and down according to the coal tar level; The blocking piston (6.4) is located at the upper end of the guide rod (6.5), and the opening or closing of the feed port (5.1) is achieved by the lifting and lowering of the guide rod (6.5).
5. The coal tar processing device for producing coal tar slurry according to claim 4, characterized in that: The mounting frame (6.1) is a cylindrical structure with an open top and a closed bottom. The inner diameter of the mounting frame (6.1) is larger than the diameter of the discharge port (5.1). The upper end of the mounting frame (6.1) is detachably connected to the partition plate (5). Several filter holes (6.3) for filtering coal tar are evenly distributed on the lower side and bottom of the side wall of the mounting frame (6.1).
6. The coal tar processing device for producing coal tar slurry according to claim 5, characterized in that: The aperture of the filter holes (6.3) on the several mounting brackets (6.1) from top to bottom decreases sequentially.
7. The coal tar processing device for producing coal tar slurry according to claim 6, characterized in that: The upper side of the side wall of the mounting frame (6.1) is provided with an opening (6.2) for overflowing and discharging coal tar inside the mounting frame (6.1).
8. The coal tar processing device for producing coal tar slurry according to claim 7, characterized in that: The inner wall of the processing cavity (4.2) near the buoyancy switch (6) is provided with an inspection port (4.4) to facilitate the disassembly and maintenance of the buoyancy switch (6). The outside of the inspection port (4.4) is provided with an openable and closable sealing cover.
9. A coal tar processing device for producing coal tar slurry according to claim 1, characterized in that: The upper end of the discharge port (5.1) is lower than the upper surface of the partition plate (5), and the upper end of the discharge port (5.1) and the upper surface of the partition plate (5) cooperate to form a discharge slope (5.2).
10. A coal tar processing device for producing coal tar slurry according to claim 9, characterized in that: The lower surface of the baffle (5) is a conical flow guide surface (5.3).