Tar residue drying apparatus
By designing feeding and conveying components, drying air intake components, and air collection components, the problem of easy agglomeration of tar residue during the drying process was solved, achieving uniform drying and efficient processing of tar residue, and improving drying efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 河北中增智能科技有限公司
- Filing Date
- 2025-08-27
- Publication Date
- 2026-07-21
AI Technical Summary
In existing tar residue drying equipment, tar residue is prone to agglomeration into lumps during the drying process, resulting in material concentration, difficulty in hot air to fully contact the material, uneven drying, reduced efficiency and increased energy consumption. Furthermore, insufficiently dried material is prone to clogging the equipment, while over-dried material poses safety hazards.
A tar residue drying device was designed, comprising a feeding and conveying assembly, a drying air intake assembly, and an air collection assembly. The tar residue is uniformly conveyed by a conveyor roller, and a heating tube inside the shroud generates hot airflow to form convection drying. The air collection assembly collects and removes the flue gas, and a round rod supports the conveyor belt to prevent sagging, ensuring uniform and efficient drying.
It achieves uniform spreading and heating of tar residue, improves drying efficiency, reduces energy consumption, avoids equipment blockage and dust safety hazards, and enhances the stability and environmental friendliness of the processing flow.
Smart Images
Figure CN224534706U_ABST
Abstract
Description
Technical Field
[0001] The embodiments disclosed herein relate to the technical field of tar residue treatment equipment, specifically to a tar residue drying device. Background Technology
[0002] Tar residue is a hazardous solid waste generated during industrial processes such as coking and coal gas purification. It has a complex composition, containing large amounts of tar, coal dust, and other organic impurities, and is characterized by high viscosity and high moisture content. Direct dumping or landfilling not only occupies significant land resources but also causes soil and groundwater pollution due to the leakage of hazardous substances, failing to meet environmental protection requirements. Therefore, reducing and rendering harmless the tar residue is crucial, and drying is a key step in achieving this goal. By reducing the moisture content of the tar residue, it can be facilitated by subsequent incineration, landfilling, or resource recycling. Currently, existing tar residue drying equipment generally suffers from poor drying efficiency during operation. This is mainly because tar residue has high viscosity and easily agglomerates during the drying process, causing the material to become overly concentrated within the drying chamber. This concentrated material piles up, making it difficult for hot air or the heating medium to fully contact the material. Only the surface layer of material can exchange heat effectively with the heat source, while the internal material receives insufficient heating, preventing effective moisture evaporation and resulting in uneven drying. Some material is over-dried and cokes, while other material fails to achieve the expected drying effect. Poor drying efficiency due to material concentration not only reduces drying efficiency and increases energy consumption, but also affects the stability of subsequent processing steps. Insufficiently dried tar residue retains high moisture content, easily causing it to re-adhere and clog conveying equipment; while over-dried material may generate dust, posing a safety hazard. Therefore, improving the problem of excessive material concentration in existing drying equipment and enhancing drying efficiency has become a crucial requirement in the field of tar residue treatment. Utility Model Content
[0003] To overcome the above-mentioned defects, the embodiments of this disclosure provide a tar residue drying device, which solves the technical problem in the prior art that the tar residue has high viscosity and is prone to agglomeration into lumps during the drying process, resulting in the material being too concentrated in the drying chamber and unable to be fully dried.
[0004] According to one aspect, at least one embodiment of the present disclosure provides a tar residue drying apparatus, comprising: The enclosure includes a feed hood, a feed cover, and a conveyor belt, wherein the feed hood is located on the top of the enclosure and the conveyor belt is installed inside the enclosure. A feeding conveyor assembly, wherein the feeding conveyor assembly is disposed within the housing; A drying air intake assembly is disposed on both sides of the housing; The feeding and conveying assembly includes a belt roller, which is rotatably connected inside the housing. The belt roller is driven to rotate by electricity. A pair of elongated holes are provided on the top of the housing. A pair of guide rods are provided on the surface of the housing. An outer cross frame is slidably connected to the guide rods. A pair of inner cross frames are provided at the bottom of the outer cross frames. The inner cross frames are located at the top inside the housing.
[0005] As a further technical solution, the bottom of the inner cross frame is provided with several dispersing rods, the dispersing rods are located above the conveyor belt, and the guide rods are fitted with springs, the springs being supported between a pair of outer cross frames.
[0006] As a further technical solution, the outer cross frame is provided with sliding grooves on its surface, the top of the outer shell is provided with a top frame, and the top frame is provided with a push frame driven by electricity, with the bottom ends of the push frame being slidably inserted into the sliding grooves respectively.
[0007] As a further technical solution, the drying air intake assembly includes a pair of inner covers, which are fixed inside the outer shell on both sides. Several heating tubes are installed in the inner covers, and several air intake holes are opened on the surface of the inner covers. An air intake pipe is provided on the outer side of the pair of inner covers.
[0008] As a further technical solution, a gas collection component is also included. The gas collection component is disposed on the top of the outer shell. The gas collection component includes an outer cover, which is fixed to both ends of the top of the outer shell. The outer cover is located above the elongated hole, and a suction pipe is provided on the top of the outer cover.
[0009] As a further technical solution, the outer shell is provided with a number of round rods, which are supported at the top of the conveyor belt.
[0010] As a further technical solution, a centralized discharge hopper is provided on one side of the outer shell.
[0011] As a further technical solution, one side of the outer cover has an open structure, and the outer cover covers part of the outer cross frame.
[0012] The beneficial effects of the embodiments disclosed herein are as follows: In this disclosure, tar residue enters the outer casing through the feed hood. The rotating conveyor rollers uniformly transport it onto the conveyor belt. The pusher frame on the top frame reciprocates, causing the outer cross frame to slide along the guide rod. The dispersing rod at the bottom of the inner cross frame swings left and right accordingly, working with spring buffers to flatten the tar residue on the conveyor belt and prevent clumping. The heating tube in the inner casing of the drying air intake assembly is activated, and air is introduced through the intake pipe. The hot airflow blows towards the tar residue through the air inlet, creating convection on both sides to accelerate drying. The flue gas generated during drying rises through the elongated orifice, is collected by the outer casing, and then drawn away by the suction pipe. The round rod supports the conveyor belt to prevent sagging. The dried tar residue is discharged through the centralized discharge hopper along with the conveyor belt, completing the processing procedure. Attached Figure Description
[0013] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments of this disclosure will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this disclosure and these drawings without any creative effort.
[0014] Figure 1 This is a schematic diagram of a structure in one embodiment of the present disclosure; Figure 2 This is an isometric drawing of the present disclosure; Figure 3 This is an isometric sectional view of the present disclosure; In the diagram: 1. Outer shell; 2. Feed hood; 3. Conveyor belt; 4. Feed conveyor assembly; 4-1. Belt roller; 4-2. Long hole; 4-3. Guide rod; 4-4. Outer cross frame; 4-5. Inner cross frame; 4-6. Dispersing rod; 4-7. Spring; 4-8. Slide groove; 4-9. Top frame; 4-10. Pushing frame; 5. Drying air intake assembly; 5-1. Inner cover; 5-2. Heating tube; 5-3. Air intake pipe; 6. Air collection assembly; 6-1. Outer cover; 6-2. Suction pipe; 7. Round rod; 8. Central discharge hopper. Detailed Implementation
[0015] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the scope of the disclosure.
[0016] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."
[0017] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.
[0018] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0019] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.
[0020] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0021] like Figures 1-3 As shown, it illustrates a tar residue drying apparatus according to an embodiment of the present disclosure, comprising: The housing 1, the feed hood 2, and the conveyor belt 3 are provided. The feed hood 2 is located on the top of the housing 1, and the conveyor belt 3 is installed inside the housing 1. Feeding and conveying assembly 4, which is disposed in the housing 1; Drying air intake assembly 5, wherein the drying air intake assembly 5 is disposed on both sides of the housing 1; The feeding and conveying assembly 4 includes a conveyor roller 4-1, which is rotatably connected inside the housing 1. The conveyor roller 4-1 is electrically driven to rotate. A pair of elongated holes 4-2 are provided on the top of the housing 1. A pair of guide rods 4-3 are provided on the surface of the housing 1. An outer crossbeam 4-4 is slidably connected to the guide rods 4-3. A pair of inner crossbeams 4-5 are provided at the bottom of the outer crossbeams 4-4. The inner crossbeams 4-5 are located at the top inside the housing 1. Several dispersing rods 4-6 are provided at the bottom, and the dispersing rods 4-6 are located above the conveyor belt 3. A spring 4-7 is fitted on the guide rod 4-3, and the spring 4-7 is supported between a pair of outer cross frames 4-4. Each outer cross frame 4-4 has a sliding groove 4-8 on its surface. A top frame 4-9 is provided on the top of the outer shell 1, and a push frame 4-10 driven by electricity is provided on the top frame 4-9. The two ends of the bottom of the push frame 4-10 are slidably inserted into the sliding groove 4-8.
[0022] In some examples, to achieve uniform conveying and spreading of tar residue for drying, a feeding conveyor assembly 4 is designed. This assembly includes a conveyor roller 4-1 inside the outer shell 1, driven by a motor to rotate, which can uniformly convey the tar residue falling from the feed hood 2 onto the conveyor belt 3 below. The guide rod 4-3 on the surface of the outer shell 1 is vertically fixed, and the outer crossbeam 4-4 is slidably fitted onto the guide rod 4-3. The inner crossbeam 4-5 extends into the outer shell 1 through the elongated hole 4-2. The dispersing rods 4-6 at the bottom are arranged in an array, located directly above the conveyor belt 3, which can break up the clumps of tar residue. The spring 4-7 on the guide rod 4-3 is supported between the two outer crossbeams 4-4, providing elastic cushioning. The sliding groove 4-8 on the surface of the outer crossbeam 4-4 is slidably engaged with the bottom of the pusher frame 4-10 on the top frame 4-9. The pusher frame 4-10 is driven by a motor to reciprocate, causing the two outer crossbeams 4-4 to slide relative to each other along the guide rod 4-3, causing the dispersing rods 4-6 to swing left and right. During operation, the conveyor roller 4-1 delivers the tar residue to the conveyor belt 3. The pusher frame 4-10 drives the outer cross frame 4-4 to swing, and the dispersing rod 4-6 moves left and right with the inner cross frame 4-5 to flatten the tar residue on the conveyor belt 3. The elasticity of the spring 4-7 provides a buffer when the dispersing rod 4-6 comes into contact with the tar residue, avoiding equipment wear caused by hard contact. Continuous conveying is achieved through the cooperation of the conveyor roller 4-1 and the conveyor belt 3. The combination of the swinging and elastic buffering of the dispersing rod 4-6 can not only spread the tar residue evenly to increase the heating area, but also adapt to materials of different thicknesses, providing a good foundation for subsequent drying processes and improving drying efficiency.
[0023] like Figures 1-3As shown in the figure, the dry air intake assembly 5 in this embodiment includes a pair of inner covers 5-1. The inner covers 5-1 are fixed inside the outer shell 1 on both sides. A plurality of heating tubes 5-2 are installed in the inner covers 5-1. A plurality of air intake holes are opened on the surface of the inner covers 5-1. An air intake pipe 5-3 is provided on the outer side of the pair of inner covers 5-1.
[0024] In some examples, to achieve efficient drying of tar residue, a drying air intake assembly 5 is designed. This assembly includes inner covers 5-1 on both sides of the outer shell 1, which are fixed to the shell wall by welding. Heating tubes 5-2 inside the covers are arranged in upper and lower layers and can generate heat when energized. The air intake holes on the surface of the inner covers 5-1 are evenly and densely distributed, facing the conveying direction of the conveyor belt 3. The air intake pipe 5-3 on the outside of the inner covers 5-1 is connected to an external air source to send cold air into the inner covers 5-1. During operation, the air inlet pipe 5-3 continuously supplies cold air to the inner cover. The cold air is heated into hot air by the heating pipe 5-2 and then evenly sprayed out from the air inlet, blowing onto the surface of the tar residue on the conveyor belt 3. The air inlets on both sides of the inner cover 5-1 are symmetrically distributed, allowing the hot air to blow simultaneously from both sides of the tar residue, forming convection and ensuring uniform heating. The layered arrangement of the heating pipes 5-2 increases the heat distribution density inside the inner cover 5-1, ensuring stable hot air temperature. The closed structure of the inner cover 5-1 prevents heat loss to the outside of the outer shell 1, concentrating the hot air flow on the tar residue. The directional design of the air inlet guides the hot air flow along the direction of movement of the conveyor belt 3, forming a co-current flow with the transport of the tar residue and extending the heat exchange time. This component provides continuous and uniform drying conditions for the tar residue by stably supplying hot air, adapting to the drying requirements of high-humidity tar residue.
[0025] like Figures 1-3 As shown, this embodiment also includes a gas collection component 6, which is disposed on the top of the outer shell 1. The gas collection component 6 includes an outer cover 6-1, which is fixed to both ends of the top of the outer shell 1. The outer cover 6-1 is located above the elongated hole 4-2, and a suction pipe 6-2 is provided on the top of the outer cover 6-1.
[0026] In some examples, a gas collection assembly 6 is designed to achieve centralized treatment of the drying flue gas. The outer covers 6-1 at both ends of the top of the outer casing 1 are welded together, completely covering the elongated holes 4-2 below, preventing the flue gas generated during the drying process from overflowing from the holes 4-2. The suction pipe 6-2 at the top of the outer cover 6-1 is connected to an external negative pressure device, which can draw the flue gas in the gas collection space to the treatment system. When the drying air intake assembly 5 introduces hot air into the outer casing 1, the water vapor and volatiles generated by the heating of the tar residue diffuse upwards. The elongated holes 4-2 provide an upward channel for the flue gas, and the outer cover 6-1 collects this flue gas, which is then quickly drawn away under the negative pressure of the suction pipe 6-2. The connection surface between the outer cover 6-1 and the outer casing 1 is sealed to prevent flue gas leakage; the diameter of the suction pipe 6-2 is adapted to the volume of the outer cover 6-1 to ensure a sufficient suction rate and maintain the air pressure balance inside the outer casing 1. This component avoids polluting the working environment with flue gas through directional gas collection and efficient suction, while reducing moisture accumulation inside the outer casing 1 to prevent increased humidity from hot airflow from affecting the drying effect. The design of the outer cover 6-1 covering the elongated hole 4-2 does not interfere with the movement of the feeding and conveying component 4, and can comprehensively collect flue gas, improving the environmental friendliness and safety of the tar residue drying process.
[0027] For example, such as Figure 3 As shown, a plurality of round rods 7 are provided inside the outer casing 1, and the round rods 7 are supported on the top of the conveyor belt 3.
[0028] In some examples, the round rods 7 inside the outer casing 1 are arranged laterally and fixed at both ends to the casing wall to support the top of the conveyor belt 3. The round rods 7 can bear the weight of the conveyor belt 3 and the tar residue above it, preventing the conveyor belt 3 from sagging due to the load, ensuring a flat conveying surface, allowing the tar residue to be heated and dried evenly, and reducing wear on the conveyor belt 3, thus extending its service life.
[0029] For example, such as Figure 1 As shown, a centralized discharge hopper 8 is provided on one side of the outer shell 1.
[0030] In some examples, the centralized discharge hopper 8 on one side of the outer casing 1 is inclined, with its lower end connected to the end of the conveyor belt 3. The dried tar residue enters the discharge hopper along with the conveyor belt 3. The smooth surface inside the hopper guides the material to be discharged in a concentrated manner, avoiding scattering, facilitating subsequent collection and processing, improving discharge efficiency, and adapting to the needs of continuous production.
[0031] For example, such as Figure 3 As shown, one side of the outer cover 6-1 has an open structure, and the outer cover 6-1 covers part of the outer cross frame 4-4.
[0032] In some examples, an opening on one side of the outer cover 6-1 allows the outer crossbeam 4-4 to pass through, covering part of the exterior of the outer crossbeam 4-4. The opening is sealed to not affect the sliding of the outer crossbeam 4-4, prevent smoke from escaping from the gaps, enhance the gas collection effect, and protect the outer crossbeam 4-4 from external contamination, maintaining its smooth sliding.
[0033] In actual use: tar residue enters the outer casing 1 through the feed hood 2. The conveyor roller 4-1 rotates and evenly transports it onto the conveyor belt 3. The pusher frame 4-10 on the top frame 4-9 reciprocates, causing the outer cross frame 4-4 to slide along the guide rod 4-3. The dispersing rod 4-6 at the bottom of the inner cross frame 4-5 swings left and right accordingly, and with the spring 4-7 buffering, the tar residue on the conveyor belt 3 is flattened, preventing it from clumping together. The heating tube 5-2 in the inner casing 5-1 of the drying air intake assembly 5 is activated, and air is introduced through the air intake pipe 5-3. The hot airflow blows towards the tar residue through the air intake hole, and the airflow on both sides forms convection to accelerate drying. The flue gas generated during drying rises through the elongated hole 4-2, is collected by the outer casing 6-1, and is then drawn away by the suction pipe 6-2. The round rod 7 supports the conveyor belt 3 to prevent sagging. The dried tar residue enters the centralized discharge hopper 8 along with the conveyor belt 3 and is discharged, completing the processing flow.
[0034] It should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and are not intended to limit it. Although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this disclosure without departing from the spirit and scope of the technical solutions of this disclosure, and all such modifications and substitutions should be covered within the scope of the claims of this disclosure.
Claims
1. A tar residue drying device, characterized in that, include: The housing (1), the feed hood (2), and the conveyor belt (3) are provided, wherein the feed hood (2) is disposed on the top of the housing (1), and the conveyor belt (3) is installed inside the housing (1); Feeding and conveying assembly (4), which is disposed in the housing (1); Drying air intake assembly (5), the drying air intake assembly (5) is disposed on both sides of the housing (1); The feeding and conveying assembly (4) includes a conveyor roller (4-1), which is rotatably connected inside the housing (1). The conveyor roller (4-1) is driven to rotate by electricity. A pair of elongated holes (4-2) are provided on the top of the housing (1). A pair of guide rods (4-3) are provided on the surface of the housing (1). An outer crossbeam (4-4) is slidably connected to the guide rod (4-3). A pair of inner crossbeams (4-5) are provided at the bottom of the outer crossbeam (4-4). The inner crossbeams (4-5) are located at the top inside the housing (1).
2. The tar residue drying device according to claim 1, characterized in that, The bottom of the inner crossbeam (4-5) is provided with several dispersing rods (4-6), the dispersing rods (4-6) are located above the conveyor belt (3), and the guide rod (4-3) is fitted with a spring (4-7), the spring (4-7) is supported between a pair of outer crossbeams (4-4).
3. The tar residue drying device according to claim 2, characterized in that, The outer cross frame (4-4) is provided with a sliding groove (4-8) on its surface. The top of the outer shell (1) is provided with a top frame (4-9). The top frame (4-9) is provided with a push frame (4-10) driven by electricity. The bottom ends of the push frame (4-10) are respectively slidably inserted into the sliding groove (4-8).
4. The tar residue drying apparatus according to claim 1, characterized in that, The drying air intake assembly (5) includes a pair of inner covers (5-1), which are fixed inside the outer shell (1) on both sides. Several heating tubes (5-2) are installed in the inner covers (5-1), and several air intake holes are opened on the surface of the inner covers (5-1). An air intake pipe (5-3) is provided on the outer side of the pair of inner covers (5-1).
5. A tar residue drying device according to claim 2, characterized in that, It also includes a gas collection assembly (6), which is disposed on the top of the outer shell (1). The gas collection assembly (6) includes an outer cover (6-1), which is fixed at both ends of the top of the outer shell (1). The outer cover (6-1) is located above the elongated hole (4-2), and a suction pipe (6-2) is provided on the top of the outer cover (6-1).
6. The tar residue drying apparatus according to claim 1, characterized in that, The outer casing (1) is provided with a plurality of round rods (7), which are supported on the top of the conveyor belt (3).
7. The tar residue drying apparatus according to claim 1, characterized in that, A centralized discharge hopper (8) is provided on one side of the outer shell (1).
8. A tar residue drying apparatus according to claim 5, characterized in that, The outer cover (6-1) has an open structure on one side, and the outer cover (6-1) covers part of the outer cross frame (4-4).