Tar intermediate tank

Abstract

The utility model belongs to tar production processing technical field relates to a kind of tar intermediate tank body including intermediate tank body, feed pipe is equipped on the intermediate tank body, feed pipe is connected with external tar supply pipe, the lower end of intermediate tank body is rotatably installed with conical discharge pipe, driving assembly that is compatible with conical discharge pipe is equipped on the intermediate tank body, the inner wall of conical discharge pipe is equipped with extruding piece, extruding piece is helical, discharge pipe is rotatably connected in the lower end of conical discharge pipe, discharge pipe is connected with external tar depot, conical discharge pipe outside is equipped with heating assembly. The utility model is discharged to internal tar by setting conical structure's conical discharge groove in the lower end of its intermediate tank body, so that it can utilize gravity to accelerate material to slide down, compared with flat bottom, can reduce the retention area of tar in tank bottom, avoid deposition dead angle, while its inside is also equipped with helical extruding piece, rotate with conical discharge pipe, push tar to discharge port, further improve the discharging efficiency of the device.

Description

Technical Field

[0001] This utility model belongs to the field of tar production and processing technology, and relates to a tar intermediate tank body. Background Technology

[0002] The intermediate tar tank is a device used in coking plants and other processes involving tar production and treatment to temporarily store, heat, and dehydrate tar. In the tar production process, it plays a buffer role, temporarily storing tar from equipment such as mechanized ammonia clarification tanks, and providing a stable tar supply for subsequent processing.

[0003] A Chinese utility model patent with publication number CN220802032U describes a tar-ammonia water separation tank for preventing clogging. The tank includes a support and the tank itself. The tank is fixedly installed on the upper end of the support. A tar separation port is connected to the middle of the bottom of the tank, and a solenoid valve is installed on the port. A T-shaped support is located on the right side of the tank, and a cylinder is fixedly installed on the support. A conductive device is installed inside the cylinder. A drive motor is fixedly installed on the right side of the tank, and a transmission device is installed on the motor. A heating and stirring device is installed inside the tank.

[0004] The existing technology has the following technical defects:

[0005] The above technical solution heats the tar by setting heating wires, thereby improving the fluidity of the tar. However, the tank adopts a flat-bottom structure. During continuous extraction, due to the non-Newtonian fluid characteristics of high-viscosity tar and the flat-bottom structure of the tank, the fluid at the bottom is prone to forming a non-uniform suction effect. This generates local eddies in the area around the extraction port, causing the tar to gradually deposit at the bottom of the tank. There are many dead spots in the deposition, which affects the tar discharge efficiency. Utility Model Content

[0006] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a tar intermediate tank body.

[0007] The tar intermediate tank of this utility model includes an intermediate tank body, a feed pipe installed on the intermediate tank body, the feed pipe being connected to an external tar supply pipe, a conical discharge pipe rotatably installed at the lower end of the intermediate tank body, a drive assembly adapted to the conical discharge pipe on the intermediate tank body, an extrusion plate on the inner wall of the conical discharge pipe, the extrusion plate being spiral in shape, a discharge pipe rotatably connected at the lower end of the conical discharge pipe, the discharge pipe being connected to an external tar oil tank, and a heating assembly sleeved on the outside of the conical discharge pipe.

[0008] The drive assembly includes an annular groove at the lower end of the outer wall of the intermediate tank, an arc-shaped slider that is slidably connected to the annular groove on the conical discharge pipe, a motor installed on the side wall of the intermediate tank, a gear installed at the output end of the motor, and a toothed groove on the outer wall of the conical discharge pipe that meshes with the gear.

[0009] The heating assembly includes a cover sleeved on the outside of the conical discharge pipe, with a steam inlet pipe and a steam outlet pipe connected to the cover. The outer wall of the conical discharge pipe is provided with a heat exchange plate, and the discharge pipe passes through the lower wall of the cover.

[0010] The side wall of the intermediate tank is provided with a water distribution pipe, and the other end of the water distribution pipe is connected to the external underground venting tank.

[0011] Sealing gaskets are provided at the connection points between the conical discharge pipe and the intermediate trough and the discharge pipe.

[0012] The bottom of the cover is provided with a clearance hole, through which the discharge pipe passes through the cover. Both the upper wall of the cover and the inner wall of the clearance hole are provided with sealing rings.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This invention discharges tar by setting a conical discharge trough with a conical structure at the lower end of its middle tank, allowing the material to slide down rapidly by gravity. Compared with a flat bottom, this reduces the tar retention area at the bottom of the tank and avoids dead corners of sedimentation. At the same time, the conical discharge trough can rotate on the outside of the middle tank, and it is also equipped with a spiral extrusion plate inside, which rotates together with the conical discharge pipe to push the tar toward the discharge port, further improving the discharge efficiency of this device.

[0015] In addition, the device is equipped with a water distribution pipeline on the side wall of the intermediate tank. Through the water distribution pipeline, the excess water on the upper layer of tar in the intermediate tank can be discharged into the external underground venting tank for temporary storage, and then returned to the tar ammonia water separation system for circulation treatment. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of an embodiment of the present invention.

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of a tapered discharge pipe according to an embodiment of the present invention.

[0018] Figure 3 This is a utility model Figure 2 Enlarged view of point A in the image.

[0019] In the diagram: 1. Intermediate tank; 2. Feed pipe; 3. Conical discharge pipe; 4. Extrusion plate; 5. Discharge pipe; 6. Sealing ring; 7. Annular groove; 8. Arc-shaped slider; 9. Motor; 10. Gear; 11. Gear groove; 12. Water distribution pipe; 13. Sealing gasket; 14. Cover; 15. Steam inlet pipe; 16. Steam outlet pipe; 17. Heat exchange plate. Detailed Implementation

[0020] Example 1

[0021] like Figures 1-3As shown, the present invention provides a tar intermediate tank, comprising an intermediate tank 1 and a feed pipe 2. The feed pipe 2 is inserted and installed at the upper end of the intermediate tank 1 and is connected to an external tar supply pipe. The feed pipe 2 serves as the channel for tar to enter the intermediate tank 1. Its vertical insertion into the upper end of the intermediate tank 1 ensures that the tar enters the tank at a relatively stable flow rate and direction, avoiding significant impact and splashing of tar within the tank due to the feed angle. This helps maintain stable internal pressure within the intermediate tank 1 and also facilitates connection with an external tar supply pipe. The oil supply pipe is connected and installed to ensure the continuity of tar transportation. A conical discharge pipe 3 is installed at the lower end of the intermediate tank 1. The conical discharge pipe 3 is connected to the inner cavity of the intermediate tank 1 and can rotate on the outside of the intermediate tank 1. An extrusion plate 4 is welded to the inner wall of the conical discharge pipe 3. The extrusion plate 4 is spiral in shape. The conical structure of the conical discharge pipe 3 helps the tar to concentrate more smoothly towards the discharge port by utilizing its own gravity and the guiding effect of the cone shape when it is discharged. The rotatable design, combined with the spiral extrusion plate 4 on the inner wall, facilitates the conical discharge. During the rotation of pipe 3, the extrusion plate 4 can squeeze and push the tar adhering to the inner wall of the discharge pipe, forming a structure similar to a screw conveyor, which improves the discharge efficiency of tar. At the same time, it can also play a certain role in stirring the tar in the intermediate tank 1, making the properties of the tar more uniform. The lower end of the conical discharge pipe 3 is rotatably installed with a discharge pipe 5, which is connected to the external tar storage tank. A heating component is sleeved on the outer side of the lower end of the conical discharge pipe 3, and the discharge pipe 5 passes through the lower wall of the heating component. The discharge pipe 5 serves as the channel for the tar to be finally discharged to the external tar storage tank. The discharge pipe 5 is rotatably connected to the conical discharge pipe 3, ensuring that the discharge pipe 5 does not rotate with the conical discharge pipe 3 when the conical discharge pipe 3 rotates, thus preventing the normal discharge of tar from being affected by the rotation of the conical discharge pipe 3. The heating component is sleeved on the outer side of the lower end of the conical discharge pipe 3, which can heat the tar in the conical discharge pipe 3. Because the viscosity of tar increases and its fluidity decreases at low temperatures, the heating component can maintain the temperature of the tar, thereby reducing the viscosity of the tar and further improving its fluidity, ensuring that the tar can be smoothly transported to the external tar storage through the discharge pipe 5. The lower end of the outer wall of the intermediate tank 1 is provided with an annular groove 7. An arc-shaped slider 8 is installed on the inner wall of the conical discharge pipe 3, and the arc-shaped slider 8 is slidably installed in the annular groove 7. A motor 9 is installed on the side wall of the intermediate tank 1, and a gear 10 is installed at the output end of the motor 9. A toothed groove 11 is provided on the outer wall of the conical discharge pipe 3 to cooperate with the gear 10, and the gear 10 and the toothed groove 11 are meshed and connected.The cooperation of the annular groove 7 and the arc-shaped slider 8 provides stable support and guidance for the rotation of the conical discharge pipe 3, enabling the conical discharge pipe 3 to move circumferentially along the outer wall of the intermediate groove 1, avoiding deviation and shaking during rotation. The motor 9 drives the conical discharge pipe 3 to rotate through the meshing of the gear 10 and the tooth groove 11. According to actual production needs, the rotation frequency of the conical discharge pipe 3 can be flexibly adjusted, thereby adjusting the tar discharge speed and stirring effect, realizing the automated control of tar discharge and treatment process, improving production efficiency and equipment operation stability; the heating component includes a cover 14, a steam inlet pipe 15, a steam outlet pipe 16, and a heat exchange plate 17. The cover 14 is sleeved on the outside of the conical discharge pipe 3. Steam inlet pipe 15 and steam outlet pipe 16 are respectively inserted and installed on the front and rear sides of the casing 14. A heat exchange plate 17 is welded to the outer wall of the conical discharge pipe 3, and the discharge pipe 5 passes through the lower wall of the casing 14. The casing 14 encloses the conical discharge pipe 3, forming a relatively closed heating space, reducing heat loss and improving heating efficiency. The steam inlet pipe 15 and the steam outlet pipe 16 form a steam circulation channel. High-temperature steam enters the interior of the casing 14 through the steam inlet pipe 15 and exchanges heat with the heat exchange plate 17 and the outer wall of the conical discharge pipe 3. The heat exchange plate 17 is welded to the outer wall of the conical discharge pipe 3, increasing the heat exchange area, so that the heat of the steam can be transferred to the tar in the conical discharge pipe 3 more quickly and evenly, ensuring that the tar is discharged in a controlled manner. Maintaining a suitable temperature throughout the process ensures the fluidity and smooth transport of the tar. The steam after heat exchange is discharged through the steam outlet pipe 16, completing the entire heating cycle. A water distribution pipe 12 is inserted into the upper side wall of the intermediate tank 1. One end of the water distribution pipe 12 is connected to the inner cavity of the intermediate tank 1, and the other end is connected to the external underground venting tank. The water distribution pipe 12 allows excess water from the upper layer of the tar in the intermediate tank 1 to be temporarily stored in the external underground venting tank before being returned to the tar-ammonia-water separation system for further circulation. Sealing gaskets 13 are installed at the connections between the conical discharge pipe 3 and the intermediate tank 1 and the discharge pipe 5. The sealing gaskets 13 effectively fill the conical discharge pipe. The small gap between the feed pipe 3, the intermediate tank 1, and the discharge pipe 5 prevents tar from leaking from the connection during the transportation process. Since tar has a certain viscosity and corrosiveness, if the connection is not sealed tightly, it will not only waste tar, but may also pollute the working environment and even threaten the safety of the operators. The sealing gasket 13 is made of oil-resistant and corrosion-resistant materials, which can maintain good sealing performance for a long time in the working environment of tar, ensuring the sealing and safety of the tar transportation system. The lower end of the cover 14 is provided with a clearance hole, through which the discharge pipe 5 passes through the lower wall of the cover 14. The upper wall of the cover 14 and the inner wall of the clearance hole are both provided with sealing rings 6. The two sealing rings 6 are respectively attached to the conical discharge pipe 3 and the discharge pipe 5.The clearance hole provides a passage for the discharge pipe 5 to pass through the casing 14. The sealing ring 6 further enhances the sealing between the casing 14 and the conical discharge pipe 3 and the discharge pipe 5. On the one hand, it prevents steam from leaking from the connection between the casing 14 and the conical discharge pipe 3 and the discharge pipe 5 during heating, thus affecting the heating effect and causing energy waste. On the other hand, it prevents external dust and impurities from entering the interior of the casing 14, contaminating the tar, and affecting the normal operation of the heating system, ensuring that the heating components can work stably and efficiently.

[0022] Working process or principle:

[0023] During use, external tar is temporarily stored in the intermediate tank 1 through the feed pipe 2. When it is necessary to discharge the tar to the external tar storage tank, the valve at the end of the discharge pipe 5 is opened, so that the tar in the intermediate tank 1 can enter the discharge pipe 5 under the action of gravity and external suction equipment, and the tar is transported. At this time, the motor 9 can also be started. The motor 9 drives the gear 10 to rotate. The gear 10 meshes with the tooth groove 11 on the outer wall of the conical discharge pipe 3, thereby driving the conical discharge pipe 3 to rotate around the outer wall of the intermediate tank 1. During the rotation of the conical discharge pipe 3, the spiral extrusion plate 4 on the inner wall extrudes and pushes the internal tar, so that the tar flows towards the discharge pipe 5.

[0024] Meanwhile, the heating component introduces high-temperature steam through the steam inlet pipe 15. The steam exchanges heat with the heat exchange plate 17, transferring heat to the tar in the conical discharge pipe 3, reducing the viscosity of the tar and ensuring its fluidity.

[0025] The descriptions of the orientation and relative positional relationships of the structure in this utility model, such as descriptions of front, back, left, right, up, and down, do not constitute a limitation on this utility model, but are merely for the convenience of description.

Claims

1. A tar intermediate tank body, characterized in that: It includes an intermediate tank (1), on which a feed pipe (2) is installed. The feed pipe (2) is connected to an external tar supply pipe. A conical discharge pipe (3) is rotatably installed at the lower end of the intermediate tank (1). A drive assembly adapted to the conical discharge pipe (3) is provided on the intermediate tank (1). An extrusion plate (4) is provided on the inner wall of the conical discharge pipe (3). The extrusion plate (4) is spiral. A discharge pipe (5) is rotatably connected to the lower end of the conical discharge pipe (3). The discharge pipe (5) is connected to an external tar oil tank. A heating assembly is fitted on the outside of the conical discharge pipe (3).

2. The tar intermediate tank body according to claim 1, characterized in that: The drive assembly includes an annular groove (7) at the lower end of the outer wall of the intermediate trough (1), an arc-shaped slider (8) that is slidably connected to the annular groove (7) on the conical discharge pipe (3), a motor (9) installed on the side wall of the intermediate trough (1), a gear (10) installed at the output end of the motor (9), and a toothed groove (11) that meshes with the gear (10) on the outer side wall of the conical discharge pipe (3).

3. The tar intermediate tank body according to claim 2, characterized in that: The heating assembly includes a cover (14) fitted around the outside of the conical discharge pipe (3), with a steam inlet pipe (15) and a steam outlet pipe (16) connected to the cover (14). The outer wall of the conical discharge pipe (3) is provided with a heat exchange plate (17), and the discharge pipe (5) passes through the lower wall of the cover (14).

4. The tar intermediate tank body according to claim 3, characterized in that: The side wall of the intermediate tank (1) is provided with a water distribution pipe (12), and the other end of the water distribution pipe (12) is connected to the external underground venting tank.

5. The tar intermediate tank body according to claim 4, characterized in that: Sealing gaskets (13) are provided at the connection points between the conical discharge pipe (3), the intermediate trough (1), and the discharge pipe (5).

6. The tar intermediate tank body according to claim 5, characterized in that: The cover (14) has a clearance hole at the bottom, and the discharge pipe (5) passes through the clearance hole to penetrate the cover (14). Both the upper wall of the cover (14) and the inner wall of the clearance hole are provided with sealing rings (6).

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