CN112760104A - Dry quenching furnace discharging adjusting device - Google Patents
Dry quenching furnace discharging adjusting device Download PDFInfo
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- CN112760104A CN112760104A CN202011572450.XA CN202011572450A CN112760104A CN 112760104 A CN112760104 A CN 112760104A CN 202011572450 A CN202011572450 A CN 202011572450A CN 112760104 A CN112760104 A CN 112760104A
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- blanking
- dry quenching
- quenching furnace
- blanking adjusting
- coke
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B39/00—Cooling or quenching coke
- C10B39/02—Dry cooling outside the oven
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- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention relates to a blanking adjusting device of a dry quenching furnace, which comprises a plurality of blanking adjusting holes and an auxiliary blanking device, wherein the blanking adjusting holes and the auxiliary blanking device are arranged on a conical hopper at the bottom of the dry quenching furnace; the blanking adjusting holes are circumferentially arranged on the outer side of the upper cone hopper, the upper cone hopper is provided with guide tubes corresponding to the blanking adjusting holes, the axes of the guide tubes are vertical to the outer wall of the upper cone hopper, and the outer end openings of the guide tubes can be sealed through cover plates; the auxiliary blanking device can stretch into the dry quenching furnace from the blanking adjusting hole and extend towards the upper inner side of the dry quenching furnace. According to the invention, the static stress balance of coke in the dry quenching furnace is broken through introducing an external force, so that the static accumulation state of the coke in the furnace is changed, the material flow segregation is prevented, the material layer on the same plane in the dry quenching furnace synchronously moves downwards, and the bottom coke discharge port normally and continuously discharges coke.
Description
Technical Field
The invention relates to the technical field of dry quenching, in particular to a blanking adjusting device of a dry quenching furnace.
Background
The coke dry quenching refers to a coke quenching method for cooling red coke by adopting inert gas. During the coke dry quenching process, red coke is loaded from the top of the coke dry quenching furnace, and low-temperature inert gas introduced from the cross air duct is blown from an air cap arranged at the lower part of a cooling area of the coke dry quenching furnace to exchange heat with the red coke so as to cool the red coke.
During normal production, coke is cooled by gas and then is continuously discharged from a coke discharge port at the bottom of the dry quenching furnace. However, when the dry quenching furnace is put into production and re-production, the coke in the dry quenching furnace is in static stress balance, and when the continuous coke discharging is started, the static balance in the furnace is difficult to break, so that the phenomena of static accumulation of the coke, material flow segregation and the like, and uneven blanking can occur. If there is not external force to disturb, the coke in the stove hardly guarantees the normal even unloading of same horizontal bed of material, and the coke cooling state and inert gas movement path in the stove all can change this moment, can take place to arrange malignant production accidents such as red burnt and boiler pipe explosion when serious. Therefore, a device needs to be designed, when the dry quenching furnace is put into operation and produced again, the static accumulation and material flow segregation conditions of coke in the furnace are changed through external force, the material layer on the same plane in the dry quenching furnace synchronously moves downwards, and the coke is normally and continuously discharged from the bottom.
Disclosure of Invention
The invention provides a blanking adjusting device of a dry quenching furnace, which breaks through the static stress balance of coke in the dry quenching furnace by introducing an external force, thereby changing the static accumulation state of the coke in the furnace, preventing material flow segregation, enabling a material layer on the same plane in the dry quenching furnace to synchronously move downwards, and normally and continuously discharging coke at a coke outlet at the bottom.
In order to achieve the purpose, the invention adopts the following technical scheme:
a blanking adjusting device of a dry quenching furnace comprises a plurality of blanking adjusting holes and an auxiliary blanking device, wherein the blanking adjusting holes and the auxiliary blanking device are arranged on a conical hopper at the bottom of the dry quenching furnace; the blanking adjusting holes are circumferentially arranged on the outer side of the upper cone hopper, the upper cone hopper is provided with guide tubes corresponding to the blanking adjusting holes, the axes of the guide tubes are vertical to the outer wall of the upper cone hopper, and the outer end openings of the guide tubes can be sealed through cover plates; the auxiliary blanking device can stretch into the dry quenching furnace from the blanking adjusting hole and extend towards the upper inner side of the dry quenching furnace.
The blanking adjusting holes are uniformly arranged along the circumferential direction of the upper conical hopper.
The blanking adjusting holes are arranged in 1 layer or multiple layers, and when multiple layers are arranged, the blanking adjusting holes in each layer are arranged in a staggered mode.
The auxiliary blanking device is a manual auxiliary blanking device, a vibration auxiliary blanking device or a pneumatic auxiliary blanking device.
The manual auxiliary blanking device is a steel chisel.
The vibration auxiliary blanking device is a vibrating bar.
The pneumatic auxiliary blanking device is an air pick.
The blanking adjusting device for the dry quenching furnace further comprises an electric vibrator; the bottom of the dry quenching furnace is provided with a blast cap which consists of an upper-layer cap head and a lower-layer cap brim, and the bottom of the blast cap is provided with an air inlet which is connected with a low-temperature inert gas pipeline through a cross air duct; the hat brim is composed of a plurality of fan-shaped hat brims which are densely arranged along the circumferential direction; the electric vibrator is arranged at the bottom of the hat head and/or the fan-shaped hat brim; the thermal-insulated safety cover is established to electric vibrator's outside, and electric vibrator's power supply cable is worn out the back and is connected outside power in the cross wind channel, and the power supply cable peripheral hardware is thermal-insulated protective case.
The fan-shaped brim is obtained by cutting the whole brim for multiple times along the radial direction, and the width of a cutting seam between the fan-shaped brims is smaller than the average particle size of coke.
Compared with the prior art, the invention has the beneficial effects that:
1) external force is introduced by a mode of opening a hole at the lower part of the dry quenching furnace, the introduced external force can be manual force, an electric tool or a pneumatic tool, and the dry quenching furnace is simple in structure, convenient and flexible to operate;
2) the high-temperature resistant electric vibrator is additionally arranged at the bottom of the cap head and/or the fan-shaped cap peak, so that the static stress balance of coke in the dry quenching furnace is broken through a vibration mode, and the effects of regulating the material flow segregation and uniform blanking of the coke are further improved;
3) the coke blanking uniformity in the dry quenching furnace can be effectively adjusted, and the debugging time of production and re-production is shortened; the method is favorable for the full heat exchange between the low-temperature inert gas and the coke, the temperature control of the continuous coke discharge and the maintenance of the integral temperature and pressure stability of the dry quenching system.
Drawings
FIG. 1 is a schematic structural diagram of a blanking adjusting device of a dry quenching furnace.
Fig. 2 is a top view of fig. 1.
In the figure: 1. dry quenching furnace 2, bottom cone hopper 3, coke discharging port 4, upper cone hopper 5, blanking adjusting hole 6, auxiliary blanking device 7, blast cap 71, cap head 72, fan-shaped cap peak 8, cross air duct 9, coke 10 and electric vibrator
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in figure 1, the blanking adjusting device for the dry quenching furnace comprises a plurality of blanking adjusting holes 5 and an auxiliary blanking device 6, wherein the blanking adjusting holes 5 and the auxiliary blanking device are arranged on a conical hopper 2 at the bottom of the dry quenching furnace 1; the blanking adjusting holes 5 are circumferentially arranged on the outer side of the upper cone hopper 4, the upper cone hopper 4 is provided with guide tubes at positions corresponding to the blanking adjusting holes 5, the axes of the guide tubes are vertical to the outer wall of the upper cone hopper 4, and the outer end openings of the guide tubes can be sealed through cover plates; the auxiliary blanking device 6 can stretch into the dry quenching furnace 1 from the blanking adjusting hole 5 and extend towards the upper inner side of the dry quenching furnace 1.
The blanking adjusting holes 5 are uniformly arranged along the circumferential direction of the upper cone hopper 4.
The blanking adjusting holes 5 are arranged in 1 layer or multiple layers, and when multiple layers are arranged, the blanking adjusting holes 5 in each layer are arranged in a staggered mode.
The auxiliary blanking device 6 is a manual auxiliary blanking device, a vibration auxiliary blanking device or a pneumatic auxiliary blanking device.
The manual auxiliary blanking device is a steel chisel.
The vibration auxiliary blanking device is a vibrating bar.
The pneumatic auxiliary blanking device is an air pick.
The blanking adjusting device of the dry quenching furnace also comprises an electric vibrator 10; an air cap 7 is arranged in the bottom conical hopper 2 of the dry quenching furnace 1, the air cap 7 consists of an upper-layer cap head 71 and a lower-layer cap brim, and an air inlet is formed in the bottom of the air cap 7 and is connected with a low-temperature inert gas pipeline through a cross air duct 8; the brim is composed of a plurality of fan-shaped brims 72 which are densely arranged along the circumferential direction; the electric vibrator 10 is arranged at the bottom of the hat head 71 and/or the fan-shaped hat brim 72; the heat insulation protective cover is arranged outside the electric vibrator 10, a power supply cable of the electric vibrator 10 penetrates out of the cross air duct 8 and then is connected with an external power supply, and the heat insulation protective sleeve is arranged outside the power supply cable.
The fan-shaped brim 72 is obtained by cutting the whole brim for multiple times along the radial direction, and the width of a cutting seam between the fan-shaped brims is smaller than the average grain diameter of the coke 9.
When the dry quenching furnace is put into production and re-production, when coke is statically accumulated in the dry quenching furnace and cannot be discharged continuously, the cover plate of one or more guide tubes is opened, the action end of the auxiliary blanking device extends into a coke layer of the dry quenching furnace from the guide tubes, and the static balance state of the coke in the furnace is broken through the intervention of external force in a mode of manually pushing and pulling steel rods or starting vibrating rods or pneumatic picks; or starting the electric vibrator, breaking the static balance state of the coke in the furnace by the mode of the vibration of the blast cap, enabling the coke to move downwards normally, and continuously discharging the coke from the coke discharge port at the bottom. When the coke in the furnace moves down and the material flow is segregated, the action end of the auxiliary blanking device is extended into the dry quenching furnace from the guide pipe at the corresponding part, or the electric vibrator on the fan-shaped brim at the corresponding part is started to conduct external force dredging on the coke layer at the accumulated position, so that the coke material layer on the same plane in the dry quenching furnace moves down synchronously. The 2 modes can be used independently or simultaneously.
The electric vibrator is arranged in the low-temperature inert gas flow channel and is provided with a heat insulation protective cover, so that the normal work of the electric vibrator can be ensured, and the electric vibrator has a certain service life.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A blanking adjusting device of a dry quenching furnace is characterized by comprising a plurality of blanking adjusting holes and an auxiliary blanking device, wherein the blanking adjusting holes and the auxiliary blanking device are arranged on a conical hopper at the bottom of the dry quenching furnace; the blanking adjusting holes are circumferentially arranged on the outer side of the upper cone hopper, the upper cone hopper is provided with guide tubes corresponding to the blanking adjusting holes, the axes of the guide tubes are vertical to the outer wall of the upper cone hopper, and the outer end openings of the guide tubes can be sealed through cover plates; the auxiliary blanking device can stretch into the dry quenching furnace from the blanking adjusting hole and extend towards the upper inner side of the dry quenching furnace.
2. The blanking adjusting device of the dry quenching furnace as claimed in claim 1, wherein the blanking adjusting holes are uniformly arranged along the circumference of the upper conical hopper.
3. The blanking adjusting device of the dry quenching furnace as claimed in claim 1 or 2, wherein the blanking adjusting holes are arranged in 1 layer or a plurality of layers, and when the plurality of layers are arranged, the blanking adjusting holes of each layer are arranged in a staggered manner.
4. The blanking adjusting device of the dry quenching furnace as claimed in claim 1, wherein the auxiliary blanking device is a manual auxiliary blanking device, a vibration auxiliary blanking device or a pneumatic auxiliary blanking device.
5. The blanking adjusting device of the dry quenching furnace as claimed in claim 4, wherein the manually-assisted blanking device is a steel chisel.
6. The blanking adjusting device of the dry quenching furnace as claimed in claim 4, wherein the vibration-assisted blanking device is a vibrating bar.
7. The blanking adjusting device of the dry quenching furnace as claimed in claim 4, wherein the pneumatic auxiliary blanking device is a pneumatic pick.
8. The blanking adjusting device of the dry quenching furnace as claimed in claim 1, further comprising an electric vibrator; the bottom of the dry quenching furnace is provided with a blast cap which consists of an upper-layer cap head and a lower-layer cap brim, and the bottom of the blast cap is provided with an air inlet which is connected with a low-temperature inert gas pipeline through a cross air duct; the hat brim is composed of a plurality of fan-shaped hat brims which are densely arranged along the circumferential direction; the electric vibrator is arranged at the bottom of the hat head and/or the fan-shaped hat brim; the thermal-insulated safety cover is established to electric vibrator's outside, and electric vibrator's power supply cable is worn out the back and is connected outside power in the cross wind channel, and the power supply cable peripheral hardware is thermal-insulated protective case.
9. The blanking adjusting device of the dry quenching furnace as claimed in claim 8, wherein the fan-shaped brim is obtained by cutting the whole brim along the radial direction for a plurality of times, and the width of the cutting seam between the fan-shaped brims is smaller than the average grain diameter of coke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011572450.XA CN112760104A (en) | 2020-12-28 | 2020-12-28 | Dry quenching furnace discharging adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011572450.XA CN112760104A (en) | 2020-12-28 | 2020-12-28 | Dry quenching furnace discharging adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112760104A true CN112760104A (en) | 2021-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011572450.XA Pending CN112760104A (en) | 2020-12-28 | 2020-12-28 | Dry quenching furnace discharging adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112760104A (en) |
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2020
- 2020-12-28 CN CN202011572450.XA patent/CN112760104A/en active Pending
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