Roller scraper conveying gas-solid separation device
The gas-solid separation device using a drum scraper conveyor achieves gas-solid separation, solving the problem that it is difficult to discharge gas and solid materials simultaneously in existing technologies, and improving thermal energy utilization efficiency and production efficiency.
Patent Information
- Application Number
- CN202422992907.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Existing pyrolysis furnaces cannot efficiently discharge gas and solid materials simultaneously after pyrolysis, resulting in wasted heat energy and low operating efficiency.
A gas-solid separation device using a roller scraper conveyor is employed, which utilizes a screw conveyor and a rotary sealing device to achieve gas-solid separation. Under expansion pressure, the gas passes through a gas collection device, while the solid material is conveyed to a material collection device via a screw conveyor.
This technology enables gas-solid separation at high temperatures, improving energy utilization and production efficiency while reducing thermal energy waste.
Smart Images

Figure CN223561520U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to carbonization pyrolysis furnace inside material heating pyrolysis after gas solid separation technology, concretely when the drum rotates, the drum scraper conveying device conveys the material to the drum tail, and when the material is collected to the screw conveyor through the drum scraper conveying discharge collection device, through the drum scraper conveying gas solid separation device, the solid material is conveyed to the drum external material collecting device by the screw conveyor, and the cracked gas is conveyed to the gas collecting device under the self expansion pressure. BACKGROUND
[0002] The utility model relates to the dangerous waste heat cracking technology in the environmental protection field, and most of the existing cracking furnaces are cracked into gas first, and then the powder solid material after cracking is discharged after the furnace temperature is cooled, cannot discharge gas and solid material simultaneously. Waste a lot of heat energy, and the working efficiency is low. In order to save energy and improve production efficiency, the drum scraper conveying gas solid separation device is developed. SUMMARY
[0003] The utility model discloses a drum scraper conveying gas solid separation device, which realizes gas solid separation after material heating pyrolysis in a carbonization pyrolysis furnace.
[0004] When the dangerous waste heat cracking works, the gas pressure of the material in the drum after being heated and cracked is about 0.01 Mpa, the gas enters the gas collecting device under the action of pressure through the drum scraper conveying gas solid separation device, and the solid material is conveyed to the drum external material collecting device by the screw conveyor.
[0005] The utility model provides the following technical scheme.
[0006] The drum scraper conveying gas solid separation device is composed of a screw conveyor device 1, a rotary sealing device 2 and a drum head 3.
[0007] The screw conveyor device cuts off a section of the upper half shell on the upper side of the inlet end of the shell 8, and the outlet bend 10 is welded on the upper side of the outlet end of the shell 8.
[0008] The screw conveyor device is welded with a gas collecting steel pipe 5 on the shell 8, the inner diameter of the gas collecting steel pipe 5 is greater than the outer diameter of the shell 8, the gas collecting steel pipe 5 is concentric with the shell 8, one end surface of the gas collecting steel pipe 5 is flush with the vertical section of the cut-off section of the upper half shell, and the other end surface is welded with the shell 8 by a blind plate 7; the gas outlet steel pipe 6 is welded on the upper side of the gas collecting steel pipe 5.
[0009] The rotary sealing device is that the packing box 12 is welded by the packing box flange 19 and the packing box steel pipe 20, and the inner diameter of the packing box steel pipe 20 is equal to the outer diameter of the packing rope 11.
[0010] The rotating sealing device is composed of a gland 21, a plurality of nuts 16, bolts 17 and compression springs 18; the gland 21 is welded by a gland pipe 14 and a gland flange 15, the outer diameter of the gland pipe 14 is 3mm smaller than the inner diameter of the packing box steel pipe 20, and the inner diameter of the gland pipe 14 is 3mm larger than the outer diameter of the gas collecting steel pipe 5.
[0011] The rotating sealing device is composed of a gland 21, a plurality of nuts 16, bolts 17 and compression springs 18; the gland 21 is welded by a gland pipe 14 and a gland flange 15, the outer diameter of the gland pipe 14 is 3mm smaller than the inner diameter of the packing box steel pipe 20, and the inner diameter of the gland pipe 14 is 3mm larger than the outer diameter of the gas collecting steel pipe 5.
[0012] The rotating sealing device is composed of a gland 21, a plurality of nuts 16, bolts 17 and compression springs 18; the gland 21 is welded by a gland pipe 14 and a gland flange 15, the outer diameter of the gland pipe 14 is 3mm smaller than the inner diameter of the packing box steel pipe 20, and the inner diameter of the gland pipe 14 is 3mm larger than the outer diameter of the gas collecting steel pipe 5.
[0013] The rotating sealing device is composed of a gland 21, a plurality of nuts 16, bolts 17 and compression springs 18; the gland 21 is welded by a gland pipe 14 and a gland flange 15, the outer diameter of the gland pipe 14 is 3mm smaller than the inner diameter of the packing box steel pipe 20, and the inner diameter of the gland pipe 14 is 3mm larger than the outer diameter of the gas collecting steel pipe 5. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 is a structural schematic view of the utility model.
[0015] Fig. 2 is a structural schematic view of the spiral conveyor device.
[0016] Fig. 3 is a structural schematic view of the rotating sealing device.
[0017] Fig. 4 is a schematic view of the gas-solid separation structure when the utility model works.
[0018] Figure 5 is a schematic diagram of the packing and welding structure on the head.
[0019] Figure 6 is a schematic diagram of the compensation accessory structure.
[0020] Figure 7 is a schematic diagram of the packing box structure.
[0021] Figure 8 is a schematic diagram of the gland structure.
[0022] Figure: 1, screw conveyor device; 2, rotary sealing device; 3, drum head; 4, drum; 5, gas collecting pipe; 6, gas outlet pipe; 7, blind plate; 8, shell; 9, cut off a section of the upper half shell; 10, upper discharge elbow; 11, packing rope; 12, packing box; 13, compensation accessory; 14, gland pipe; 15, gland flange; 16, nut; 17, bolt; 18, compression spring; 19, packing box flange; 20, packing box pipe; 21, gland. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application.
[0024] Please refer to Figure 1, Figure 2, Figure 3, in the embodiments of the present application, the drum scraper conveying gas-solid separation device comprises a screw conveyor device, a rotary sealing device, a drum head.
[0025] The screw conveyor device cuts off a section of the upper half shell on the upper side of the inlet end of the shell 8, and opens a hole on the upper side of the outlet end of the shell 8, and welds the upper discharge elbow 10.
[0026] The screw conveyor device is welded with the gas collecting pipe 5 on the shell 8, the inner diameter of the gas collecting pipe 5 is larger than the outer diameter of the shell 8, and the gas collecting pipe 5 is concentric with the shell 8; one end face of the gas collecting pipe 5 is flush with the vertical cross section of the cut-off upper half shell, and the other end face is welded with the shell 8 by the blind plate 7; the gas outlet pipe 6 is welded on the upper side of the gas collecting pipe 5.
[0027] The rotary sealing device, the packing box 12 is welded by the packing box flange 19 and the packing box pipe 20, and the inner diameter of the packing box pipe 20 is equal to the outer diameter of the packing rope 11.
[0028] The rotary sealing device, the compensation accessory 13 is composed of a gland 21, a plurality of nuts 16, bolts 17 and compression springs 18; the gland 21 is welded by the gland pipe 14 and the gland flange 15, the outer diameter of the gland pipe 14 is 1mm smaller than the inner diameter of the packing box pipe 20, and the inner diameter of the gland pipe 14 is 1mm larger than the outer diameter of the gas collecting pipe 5.
[0029] The rotating sealing device is matched with the gland flange 15 and the packing box flange 19, and can be penetrated by several bolts 17.
[0030] The gas collecting steel pipe 5 of the screw conveyor device is arranged in the packing box steel pipe 20, the gas collecting steel pipe 5 is concentric with the packing box steel pipe 20, the outer diameter of the gas collecting steel pipe 5 is smaller than the inner diameter of the head by 2 mm, and the end face of the gas collecting steel pipe 5 enters the interior of the head 3 by 10 mm.
[0031] The working principle of the utility model is: when the roller scraping plate conveying gas-solid separation device is used, the rotating sealing device 2 rotates synchronously with the roller head 3 and the roller when the roller 4 rotates, the screw conveyor shell is fixed and stationary, the packing rope 11 in the rotating sealing device 2 is closely matched with the outer wall of the gas collecting steel pipe 5 and the inner wall of the packing box steel pipe 20 under the screw nut 16, bolt 17 and compression spring 18 of the compensation accessory 13, so that the gas cracked out of the material in the roller under high temperature is discharged along the gas collecting steel pipe 5 and the gas outlet steel pipe 6 on the shell of the screw conveyor 1 to the gas collecting device under the self-expanding pressure, and the solid material in the roller is conveyed to the material collecting device outside the roller through the inside of the shell 8 of the screw conveyor 1 and the upper discharge elbow 10, so that the gas-solid separation function is achieved.
[0032] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model.
Claims
1. A drum scraper conveyor gas-solid separation device, comprising a screw conveyor device, a rotary sealing device, a drum seal head: characterized in that The packing box steel pipe (20) of the rotary sealing device is welded on the drum seal head (3) and concentric with the drum (4), the packing box steel pipe (20) is sleeved on the gas collecting steel pipe (5) of the screw conveyor device, and the packing box steel pipe (20) is concentric with the gas collecting steel pipe (5) of the screw conveyor device.
2. The drum flight conveyor gas-solids separation apparatus of claim 1, wherein: A section of the upper half of the shell (8) of the screw conveyor device is cut off on the upper side of the inlet end.
3. The drum flight conveyor gas-solids separation apparatus of claim 1, wherein: A hole is opened on the upper side of the discharge end of the shell (8) of the screw conveyor device, and an upper discharge elbow (10) is welded.
4. The drum flight conveyor gas-solids separation apparatus of claim 1, wherein: The gas collecting steel pipe (5) is welded on the shell (8) of the screw conveyor device through a blind plate (7), so that the outer wall of the shell (8) and the inner wall of the gas collecting steel pipe (5) and one end face of the blind plate (7) form a cavity.
5. The drum flight conveyor gas-solids separation apparatus of claim 1 wherein: A hole is opened on the gas collecting steel pipe (5) and a gas outlet steel pipe (6) is welded.