CN215757156U

CN215757156U - Dry quenching furnace blanking device

Info

Publication number: CN215757156U
Application number: CN202122198914.1U
Authority: CN
Inventors: 陶章彦; 苏树磊
Original assignee: Jinneng Chemical Qingdao Co Ltd
Current assignee: Jinneng Chemical Qingdao Co Ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-02-08
Anticipated expiration: 2031-09-10

Abstract

The utility model provides a blanking device of a dry quenching furnace, which comprises a main body of the dry quenching furnace, wherein the bottom of the main body of the dry quenching furnace is fixedly connected with an upper cone hopper, the bottom of the upper cone hopper is fixedly connected with a lower cone hopper, a cross air duct is fixedly connected between the upper cone hopper and the lower cone hopper, the inner part of the upper cone hopper is fixedly connected with a double-layer air cap, the double-layer air cap is communicated with the cross air duct, and the inner part of the lower cone hopper is fixedly connected with a small charging bell. The utility model discloses a, through installing double-deck hood on last awl fill, conduct the air of being channel-guided by the cross wind, the coke receives double-deck hood wind-force to blow at the whereabouts in-process, obtain better cooling heat dissipation when having reduced the falling speed, the small powder clock of bottom further plays unloading cushioning effect, effectively prevent the coke unloading too fast, the phenomenon that the temperature is higher than normal when preventing coke discharge, make circulating gas put out furnace evenly distributed futilely, in order to reach the effect of effective cooling and heat transfer.

Description

Dry quenching furnace blanking device

Technical Field

The utility model relates to the technical field of dry quenching furnace devices, in particular to a blanking device of a dry quenching furnace.

Background

In the process of the dry quenching process, red coke is loaded from the top of a dry quenching furnace, low-temperature inert gas is blown into a red coke layer of a cooling section of the dry quenching furnace by a circulating fan to absorb sensible heat of the red coke, the cooled coke is discharged from the bottom of the dry quenching furnace, high-temperature inert gas discharged from an annular flue of the dry quenching furnace flows through a dry quenching process boiler to carry out heat exchange, the boiler generates steam, the cooled inert gas is blown into the dry quenching furnace again by the circulating fan, and the inert gas is recycled in a closed system.

In the actual use process of the coke dry quenching process, coke in the coke dry quenching furnace is in static stress balance, when continuous coke discharge is started, the phenomena of static accumulation of coke, material flow segregation and the like and uneven blanking can occur, the resistance of the coke in the falling process is small, the falling speed is high, and the cooling and heat exchange effects are poor. Therefore, the utility model provides a blanking device of a dry quenching furnace to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the blanking device for the dry quenching furnace, which avoids the phenomena of uneven blanking such as static accumulation of coke, material flow segregation and the like, solves the problems of smaller resistance, higher falling speed and poor cooling and heat exchange effects in the falling process of the coke, and ensures that circulating gas is uniformly distributed in the dry quenching furnace so as to achieve the effects of effective cooling and heat exchange.

(II) technical scheme

In order to realize the uniform distribution of the circulating gas in the dry quenching furnace and achieve the purposes of effective cooling and heat exchange, the utility model provides the following technical scheme: put out stove unloader futilely, including putting out the stove main part futilely, put out the bottom fixedly connected with of stove main part futilely and go up the awl fill, go up the bottom fixedly connected with lower awl fill of awl fill, fixedly connected with cross wind channel between last awl fill and the lower awl fill, the inside fixedly connected with double-deck hood of going up the awl fill, double-deck hood is linked together with the cross wind channel, the inside fixedly connected with small powder bell of awl fill down, the bottom fixedly connected with discharge gate of lower awl fill, the top fixedly connected with feed inlet of putting out the stove main part futilely.

Preferably, the double-layer blast cap is positioned right above the cross air duct, the small bell is positioned right below the cross air duct, and the top of the small bell is semicircular.

Preferably, the upper part of the right side of the dry quenching furnace main body is fixedly connected with a dust removal pipe, the dust removal pipe is fixedly connected with a manual butterfly valve, and the top end of the dust removal pipe is connected with a dust removal device.

Preferably, a bypass pipe is fixedly connected to the middle-upper portion of the right side of the main body of the dry quenching furnace, and a flow regulating valve is fixedly connected to the bypass pipe.

Preferably, an air inlet pipe is arranged at the middle upper part of the left side of the main body of the dry quenching furnace, a primary dust remover is arranged at the middle upper part of the right side, and inclined channel pipes are fixedly connected between the air inlet pipe and the main body of the dry quenching furnace as well as between the primary dust remover and the main body of the dry quenching furnace; the two chute pipes are fixedly connected to the middle parts of the left side and the right side of the main body of the dry quenching furnace, and air leading-in regulating valves are fixedly connected to the air leading-in pipes.

Preferably, an adjusting plate is arranged between the air inlet pipe and the chute pipe connected with the air inlet pipe, and the adjusting plate is connected between the chute pipe and the air inlet pipe in a sliding mode.

(III) advantageous effects

Compared with the prior art, the utility model provides a blanking device of a dry quenching furnace, which has the following beneficial effects:

1. according to the blanking device of the dry quenching furnace, the double-layer blast cap is arranged on the upper conical hopper, and air introduced by the cross air channel is conducted, so that coke in the main body of the dry quenching furnace is blown by the wind power of the double-layer blast cap in the falling process, the falling speed is reduced, and good cooling and heat dissipation are achieved; the small material bell of bottom further plays the unloading cushioning effect, makes the falling speed of coke remain stable, and the unloading is comparatively even, effectively prevents the coke unloading at the excessive speed, and the temperature phenomenon on the high side when preventing coke discharge from appearing makes circulating gas put out even distribution in the stove futilely to reach the effect of effective cooling and heat transfer.

2. This put out stove unloader futilely, through the top semicircular in shape that sets up little bell, make little bell comparatively even to the buffering of coke to reduce the falling speed of coke, effectively prevented the coke because the falling speed is too fast leads to the phenomenon that the temperature is on the high side.

3. This put out stove unloader futilely, put out the air inlet tube and a dust remover of the left and right sides of stove main part futilely respectively with two chute pipe fixed connection, the chute pipe makes the dust be difficult for remaining in the pipeline, and leading-in air is stabilized to the air inlet tube, and a dust remover plays the effect of dust removal collection to coke dust, has increased the practicality of device.

4. The blanking device of the dry quenching furnace controls the use of the dust removal pipe by fixedly connecting a manual butterfly valve on the dust removal pipe; and a flow regulating valve on the bypass pipe controls the air flow to realize quantitative conveying, so that the practicability of the device is improved.

5. According to the blanking device of the dry quenching furnace, the air inlet adjusting valve is fixedly connected to the air inlet pipe, so that the air flow of the air inlet pipe is controlled by the air inlet adjusting valve, the intake of the flow in the device is stabilized, and the stability of the device is improved.

6. This put out stove unloader futilely through being provided with the regulating plate between chute pipe and air induction pipe, the cooperation adjusts the velocity of flow of air induction pipe, has increased the practicality of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom sectional view of the connection structure of the upper cone and the cross-shaped air duct according to the present invention.

In the figure: 1. a main body of the dry quenching furnace; 2. an upper cone hopper; 3. a lower cone hopper; 4. a double-layer hood; 5. a small bell; 6. a cross air duct; 7. a discharge port; 8. a feed inlet; 9. a dust removal pipe; 10. a bypass pipe; 11. a dust removal device; 12. a primary dust remover; 13. an air introduction pipe; 14. a chute tube; 15. a manual butterfly valve; 16. A flow regulating valve; 17. an air introduction regulating valve; 18. an adjusting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the blanking device for the dry quenching furnace comprises a main body 1 of the dry quenching furnace, an upper cone hopper 2 is fixedly connected to the bottom of the main body 1 of the dry quenching furnace, a lower cone hopper 3 is fixedly connected to the bottom of the upper cone hopper 2, a cross air duct 6 is fixedly connected between the upper cone hopper 2 and the lower cone hopper 3, a double-layer hood 4 is fixedly connected to the inside of the upper cone hopper 2, the double-layer hood 4 is communicated with the cross air duct 6, a small material bell 5 is fixedly connected to the inside of the lower cone hopper 3, a discharge hole 7 is fixedly connected to the bottom of the lower cone hopper 3, and a feed inlet 8 is fixedly connected to the top of the main body 1 of the dry quenching furnace.

The double-layer blast cap 4 is arranged on the upper cone hopper 2, and the air introduced by the cross air duct 6 is conducted, so that coke in the main body 1 of the dry quenching furnace is blown by the wind power of the double-layer blast cap 4 in the falling process, the falling speed is reduced, and good cooling and heat dissipation are achieved; the small bell 5 of bottom plays further the unloading cushioning effect, makes the falling speed of coke remain stable, and the unloading is comparatively even, effectively prevents the coke unloading at the excessive speed, and the temperature phenomenon on the high side when preventing the coke and discharging from appearing makes circulating gas put out even distribution in the stove futilely to reach the effect of effective cooling and heat transfer.

The beneficial effects of the scheme are specifically contrasted and explained as follows:

1) when the small bell 5 at the bottom is not arranged, the temperature of coke discharged from the dry quenching furnace is about 200 ℃ and 250 ℃; after the small material bell 5 at the bottom is arranged, the temperature of coke discharged from the dry quenching furnace is between 160 ℃ and 170 ℃, the coke discharging temperature is effectively reduced by 30 ℃, and the effect is remarkable;

2) when the temperature of coke discharged from the dry quenching furnace is high, the transportation belt is seriously aged after long-time operation, the service life of the belt is reduced, and the maintenance cost is increased. When the small bell 5 at the bottom is not arranged, the conveying belt is changed once every 1.5 years on average; after the small bell 5 at the bottom is arranged, the replacement is expected to be carried out once every 2 years, and the replacement rate is obviously reduced by 33.4 percent.

Further, the double-layer blast cap 4 is positioned right above the cross-shaped air duct 6, the small bell 5 is positioned right below the cross-shaped air duct 6, and the top of the small bell 5 is semicircular.

Through the top semicircular in shape that sets up little bell 5, and through setting up well of adjusting of double-deck hood 4, cross wind channel 6 and little bell 5, make little bell 5 comparatively even to the buffering of coke to reduce the falling speed of coke, effectively prevented the coke because the falling speed leads to the phenomenon that the temperature is on the high side too fast.

Further, the upper part of the right side of the main body 1 of the dry quenching furnace is fixedly connected with a dust removal pipe 9, the dust removal pipe 9 is fixedly connected with a manual butterfly valve 15, and the top end of the dust removal pipe 9 is connected with a dust removal device 11. The dust removal pipe 9 is matched with the dust removal device 11 to remove dust from coke in the device; the arrangement of the manual butterfly valve 15 on the dust removal pipe 9 controls the use of the dust removal pipe 9, and the practicability of the device is improved.

Further, a bypass pipe 10 is fixedly connected to the right middle upper portion of the dry quenching furnace main body 1, and a flow regulating valve 16 is fixedly connected to the bypass pipe 10. The arrangement of the flow regulating valve 16 on the bypass pipe 10 controls the air flow to realize quantitative delivery, and the practicability of the device is increased.

Further, an air inlet pipe 13 is arranged at the middle upper part of the left side of the main body 1 of the dry quenching furnace, a primary dust remover 12 is arranged at the middle upper part of the right side, and an inclined pipe 14 is fixedly connected between the air inlet pipe 13 and the primary dust remover 12 as well as between the main body 1 of the dry quenching furnace; two chute pipes 14 are fixedly connected to the middle parts of the left side and the right side of the main body 1 of the dry quenching furnace, and an air inlet adjusting valve 17 is fixedly connected to the air inlet pipe 13.

Through air induction pipe 13 and the dust remover 12 of putting out the stove main part 1 left and right sides futilely respectively with two chute pipe 14 fixed connection, chute pipe 14 makes the dust be difficult for remaining in the pipeline, and leading-in air is stabilized to air induction pipe 13, and dust remover 12 plays the effect of dust removal collection to coke dust once, has increased the practicality of device. Further, by fixedly connecting the air introduction adjusting valve 17 to the air introduction pipe 13, the air flow rate of the air introduction pipe 13 is controlled by the air introduction adjusting valve 17, thereby stabilizing the intake of the flow rate in the apparatus and increasing the stability of the apparatus.

Further, an adjusting plate 18 is provided between the air introduction pipe 13 and the chute pipe 14 connected thereto, and the adjusting plate 18 is slidably connected between the chute pipe 14 and the air introduction pipe 13. The adjusting plate 18 is matched with the flow speed of the air inlet pipe 13 to adjust the practicability of the device.

The working principle is as follows: the double-layer blast cap 4 is arranged on the upper cone hopper 2, and the air introduced by the cross air duct 6 is conducted, so that coke in the main body 1 of the dry quenching furnace is blown by the wind power of the double-layer blast cap 4 in the falling process, the falling speed is reduced, and good cooling and heat dissipation are achieved; the little bell 5 of bottom further plays unloading cushioning effect, make the falling speed of coke remain stable, the unloading is comparatively even, effectively prevent the coke unloading at the excessive speed, the phenomenon that the temperature is higher than normal when preventing coke discharge, make circulating gas put out even distribution in the stove futilely, in order to reach the effect of effective cooling and heat transfer, the static unloading inhomogeneous phenomenon such as piling up and material stream segregation of coke has been avoided, it is less to have solved the resistance of coke whereabouts in-process, falling speed is very fast, cooling and the poor problem of heat transfer effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Put out stove unloader futilely, including putting out stove main part (1) futilely, its characterized in that: the dry quenching furnace is characterized in that an upper cone hopper (2) is fixedly connected to the bottom of a dry quenching furnace main body (1), a lower cone hopper (3) is fixedly connected to the bottom of the upper cone hopper (2), a cross air duct (6) is fixedly connected between the upper cone hopper (2) and the lower cone hopper (3), a double-layer hood (4) is fixedly connected to the inner portion of the upper cone hopper (2), the double-layer hood (4) is communicated with the cross air duct (6), a small material bell (5) is fixedly connected to the inner portion of the lower cone hopper (3), a discharge port (7) is fixedly connected to the bottom of the lower cone hopper (3), and a feed port (8) is fixedly connected to the top of the dry quenching furnace main body (1).

2. The blanking device of the dry quenching furnace according to claim 1, characterized in that: the double-layer blast cap (4) is positioned right above the cross air duct (6), the small bell (5) is positioned right below the cross air duct (6), and the top of the small bell (5) is semicircular.

3. The blanking device of the dry quenching furnace according to claim 1, characterized in that: the upper portion of the right side of the dry quenching furnace main body (1) is fixedly connected with a dust removal pipe (9), the dust removal pipe (9) is fixedly connected with a manual butterfly valve (15), and the top end of the dust removal pipe (9) is connected with a dust removal device (11).

4. The blanking device of the dry quenching furnace according to claim 1, characterized in that: the middle-upper part of the right side of the dry quenching furnace main body (1) is fixedly connected with a by-pass pipe (10), and the by-pass pipe (10) is fixedly connected with a flow regulating valve (16).

5. The blanking device of the dry quenching furnace according to claim 1, characterized in that: an air inlet pipe (13) is arranged at the middle upper part of the left side of the main body (1) of the dry quenching furnace, a primary dust remover (12) is arranged at the middle upper part of the right side, and an inclined pipe (14) is fixedly connected between the air inlet pipe (13) and the primary dust remover (12) and the main body (1) of the dry quenching furnace; the two chute pipes (14) are fixedly connected to the middle parts of the left side and the right side of the main body (1) of the dry quenching furnace, and an air introduction adjusting valve (17) is fixedly connected to the air introduction pipe (13).

6. The blanking device of the dry quenching furnace as claimed in claim 5, wherein: air inlet pipe (13) and its connection be provided with regulating plate (18) between chute pipe (14), regulating plate (18) sliding connection is between chute pipe (14) and air inlet pipe (13).