CN217103709U - Coke oven coke side dust hood and coke oven coke discharging and dust removing system - Google Patents
Coke oven coke side dust hood and coke oven coke discharging and dust removing system Download PDFInfo
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- CN217103709U CN217103709U CN202121405488.8U CN202121405488U CN217103709U CN 217103709 U CN217103709 U CN 217103709U CN 202121405488 U CN202121405488 U CN 202121405488U CN 217103709 U CN217103709 U CN 217103709U
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Abstract
The embodiment of the application provides a coke oven coke side dust hood and a coke oven coke discharging and dust removing system. Wherein, coke oven burnt side suction hood includes: the dust hood body and the coke guide hood; the dust hood body is positioned on the coke side of the coke oven body; the coke guide cover is positioned in the dust hood body, and a gap is reserved between the outer wall of the coke guide cover and the inner wall of the dust hood body; the coke guide cover is provided with a sealing channel, the inlet end of the sealing channel is fixedly connected with a coke guide grid of the coke oven, and the outlet end of the sealing channel faces the coke quenching car of the coke oven and is used for guiding coke pushed out from a coking chamber of the coke oven body to fall into the coke quenching car through the sealing channel of the coke guide cover. The scheme can improve the coke discharging and dust removing effects of the coke side of the coke oven.
Description
Technical Field
The application relates to the technical field of coke oven dust removal, in particular to a coke oven coke side dust hood and a coke oven coke discharging dust removal system.
Background
In the coke discharging process of the coke oven, coal in a coke oven carbonization chamber is carbonized into coke at high temperature and then pushed out of the carbonization chamber, and the incandescent coke falls into a coke quenching car through a coke guide grid. The coke is cracked after being pushed out and burnt in the air, and the generated smoke and the coke dust containing harmful substances such as tar, a large amount of dust and the like are emitted into the atmosphere, thus seriously polluting the environment.
In order to treat the smoke generated by the oven head at the coke side and dissipated without organization in the coke discharging process of the coke oven, the prior art adopts a ground station dust removal system for treatment. The system comprises a dust hood, a cooler, a dust removing device, a dust removing fan and a chimney which are connected in series through a pipeline. Wherein the dust hood is arranged on the coke guide and moves synchronously with the coke guide. When the ground station dust removal system works, under the action of the dust removal fan, smoke is collected through the dust hood, sent into the cooler for cooling through the conversion conduction equipment, purified through the dust removal equipment and finally discharged into the atmosphere through the chimney.
However, when the existing ground station dust removal system works, a large amount of smoke still exists on the coke side of the coke oven, especially in the coke discharging process, and the dust removal effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application aims to provide a dust hood at the coke side of a coke oven and a coke discharging and dust removing system of the coke oven so as to improve the dust removing effect of the coke discharging at the coke side of the coke oven. The specific technical scheme is as follows:
in a first aspect, an embodiment of the present application provides a coke oven coke side dust hood, including:
the dust hood body is positioned on the coke side of the coke oven body;
the coke guide cover is positioned in the dust hood body, and a gap is reserved between the outer wall of the coke guide cover and the inner wall of the dust hood body;
the coke guide cover is provided with a sealing channel, the inlet end of the sealing channel is fixedly connected with a coke guide grid of the coke oven, and the outlet end of the sealing channel faces the coke quenching car of the coke oven and is used for guiding coke pushed out from a coking chamber of the coke oven body to fall into the coke quenching car through the sealing channel of the coke guide cover.
In the scheme that this application provided, coke falls to the coke quenching car in through the sealed passageway of leading burnt cover, and the flue gas that coke whereabouts process was taken by coke hot buoyancy, and partly falls into the coke quenching car along with coke together, and another part can be drawn forth from the clearance between leading burnt cover and the suction hood body under dust exhausting fan's effect, purifies through dust collecting equipment. Because the flue gas falls down firstly and then is sucked out upwards from the gap between the coke guide cover and the dust hood body, the extra flue gas generated by the reverse contact combustion of the air sucked by the dust hood body and the falling coke is avoided, and the dust removal effect of the coke side of the coke oven is effectively improved.
In some embodiments of the present application, the coke guide cover is a hollow box structure, two adjacent sides of the box are respectively provided with an opening, one of the openings is the inlet end, and the other opening is the outlet end.
In some embodiments of the present application, further comprising:
the air partition plate is movably arranged on the outer circumference of the bottom of the dust hood body;
and the output end of the lifting mechanism is connected with the air partition plate, and drives the air partition plate to move up and down, so that the air partition plate shields a gap between the bottom of the dust hood body and the inlet end of the coke tank on the coke quenching car.
In some embodiments of the present application, the air baffle is an annular structure, and one end of the air baffle close to the dust hood body is a small end, and one end of the air baffle far away from the dust hood body is a large end.
In a second aspect, an embodiment of the present application further provides a coke discharging and dust removing system for a coke oven, including: a coke oven coke side dust hood as described in the above first aspect.
In some embodiments of the present application, the apparatus further comprises a dust removing device, a flue gas conducting device and a ventilation pipe;
the dust hood is connected with the dust removal equipment through the ventilation pipe and the smoke conducting device, and the ventilation pipe is provided with a through hole for air inlet or smoke parameter measurement.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a coke oven coke discharging and dust removing system provided by an embodiment of the application;
FIG. 2 is a schematic structural view of a coke guide cover in the coke oven coke discharging and dust removing system of FIG. 1;
FIG. 3 is a schematic structural view of an air baffle in the coke oven coke discharging and dust removing system of FIG. 1.
The reference numerals in the drawings are explained as follows:
11-a coke oven body, 12-a coke guide grid, 13-a coke quenching car, 14-a dust hood body, 15-a ventilation pipe and 16-a flue gas conduction device;
2, a coke guide cover; 3-air baffle; 4-through hole.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the description herein are intended to be within the scope of the present disclosure.
In order to improve the dust removal effect of coke discharging from the coke side of the coke oven, the embodiment of the application provides a dust hood at the coke side of the coke oven and a coke discharging dust removal system of the coke oven. The technical solution of the present application will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the present application provides a coke oven coke side dust hood, comprising:
the dust hood comprises a dust hood body 14, wherein the dust hood body 14 is positioned on the coke side of the coke oven body 11;
the coke guide cover 2 is positioned in the dust hood body 14, and a gap is reserved between the outer wall of the coke guide cover 2 and the inner wall of the dust hood body 14;
the coke guide hood 2 is provided with a sealing channel, the inlet end of the sealing channel is fixedly connected with a coke guide grid 12 of the coke oven, and the outlet end of the sealing channel faces a coke quenching car 13 of the coke oven and is used for guiding coke pushed out from a coking chamber of a coke oven body 11 to fall into the coke quenching car 13 through the sealing channel of the coke guide hood 2.
In the scheme that this application provided, coke falls to the coke quenching car 13 through the sealed passageway of leading coke cover 2 in, and coke whereabouts process is by the flue gas that coke thermal buoyancy brought, and partly falls into coke quenching car 13 along with coke, and another part can be drawn forth from leading the clearance between coke cover 2 and the suction hood body 14 under dust exhausting fan's effect, purifies through dust collecting equipment. Because the flue gas falls down firstly and then is sucked out upwards from the gap between the coke guide cover 2 and the dust hood body 14, the extra flue gas generated by the reverse contact combustion of the air sucked by the dust hood body 14 and the falling coke is avoided, and the dust removal effect of the coke side of the coke oven is effectively improved.
In addition, the scheme of this application when reducing the produced secondary smoke and dust of the reverse contact of air and coke, also reduced the produced scaling loss of coke and air contact burning when going out the coke. And because the coke burning loss is reduced, the heat generated by burning loss and brought into the dust removal system is correspondingly reduced, and the air quantity required by cooling the dust removal system is reduced, namely the load is reduced. Therefore, the air quantity and the energy consumption of the dust removal fan in the dust removal system can be effectively reduced, and considerable economic benefits are achieved.
In some embodiments of the present application, as shown in fig. 2, the coke guide casing 2 is a hollow casing structure, and two adjacent side surfaces of the casing are respectively provided with an opening, one of the openings is the inlet end, and the other opening is the outlet end.
As shown in FIG. 2, the coke guide 2 of the box structure provided by the embodiment of the present application has two adjacent side surfaces, namely a side surface facing the coke guide grid 12 and a bottom surface facing the quenching car 13. The coke guide cover 2 with the structure can be manufactured in a steel plate cutting and welding mode, and is convenient to manufacture, economical and practical.
In some embodiments of the present application, as shown in fig. 1 and 3, the coke oven coke side dust hood further comprises:
the air partition plate 3 is movably arranged on the outer circumference of the bottom of the dust hood body 14;
and the output end of the lifting mechanism is connected with the air partition plate 3, and drives the air partition plate 3 to move up and down, so that the air partition plate 3 shields a gap between the bottom of the dust hood body 14 and the inlet end of the coke tank on the coke quenching car 13.
After the coke quenching car 13 is aligned, the air partition plate 3 is driven by the lifting mechanism to descend so as to shield a gap between the bottom of the dust hood body 14 and the inlet end of the coke tank on the coke quenching car 13.
It will be appreciated that the lifting mechanism can be implemented in a variety of ways, for example, a rolling resistance screw mechanism, a crank link mechanism, a hydraulic lifting mechanism, a pneumatic lifting mechanism, etc. can be used. In application, a proper lifting mechanism can be selected according to actual requirements.
The scheme of this application embodiment, shelter from the clearance between the entry end of the burnt jar on the dust absorption hood body 14 bottom and the coke quenching car 13 through elevating system drive air baffle 3, the in-process of coke dropping to the coke quenching car 13 burnt jar when effectively preventing out the burnt, the clearance department between entry end and the dust absorption hood body 14 of the partly flue gas that produces because of the action of gravity goes up the burnt jar on the coke quenching car 13 is outer escaped outward to abundant entrapment flue gas, further improve the dust removal effect of coke oven burnt side.
In some embodiments of the present application, the air baffle 3 is an annular structure, and one end of the air baffle close to the dust hood body 14 is a small end, and the other end of the air baffle far away from the dust hood body 14 is a large end.
The air partition plate 3 with the annular structure in the embodiment of the application is similar to a horn-shaped structure, and the large end of the air partition plate is buckled at the inlet end of the coke tank on the coke quenching car 13, so that the sealing of a gap between the bottom of the dust hood body 14 and the inlet end of the coke tank on the coke quenching car 13 can be effectively realized.
In addition, as shown in fig. 1, an embodiment of the present application further provides a coke oven coke discharging and dust removing system, including: the coke oven coke side dust hood of any one of the above.
The coke oven coke discharging and dust removing system provided by the embodiment of the application comprises the coke oven coke side dust hood provided by the embodiment, so that all the beneficial effects of the coke oven coke side dust hood are achieved. To avoid repetitive descriptions, they are not repeated herein.
In some embodiments of the present application, the coke oven coke discharging and dust removing system further comprises a dust removing device, a flue gas conducting device 16 and a ventilation pipe 15;
the dust hood is connected with the dust removing equipment through the ventilation pipe 15 and the smoke conducting device 16, and the ventilation pipe 15 is provided with a through hole 4 for air inlet or smoke parameter measurement.
The dust removing device can adopt various types of dust collectors, such as a bag dust collector, a pulse dust collector, an electrostatic dust collector and the like. Since the dust removing device belongs to the prior art, no further description is provided herein. The flue gas conducting device 16 is used for guiding the coke-discharging flue gas from the dust hood body 14 into the dust removing equipment of the coke-discharging dust removing system of the coke oven. At present, the flue gas conducting device 16 is basically divided into two modes, one mode is a sealing adhesive tape lifting trolley mode, and the other mode is a fixed interface flap valve butt joint mode. Both the two conduction modes have advantages and disadvantages respectively, and can be selected according to requirements in practical application. Since the smoke conducting device 16 belongs to the prior art, it will not be described in detail herein.
According to the coke discharging and dust removing system of the coke oven, the through hole 4 for air inlet is formed in the vent pipe 15, so that air sucked by the dust removing system can be distributed for the second time; that is, the pressure at the bottom of the dust hood body 14 is reduced by opening the through hole 4, the collected air is reduced, and the ventilation pipe 15 is in a negative pressure state, and a large amount of air in the atmosphere is sucked through the through hole 4. The air sucked through the through hole 4 is mixed with the high-temperature flue gas collected by the dust hood body 14, the temperature of the flue gas is reduced to be below 200 ℃, and the subsequent dust removal equipment of the flue gas conduction device 16 can be protected from working at normal heat-resistant temperature. In addition, the ventilation pipe 15 can be provided with a through hole 4 for measuring smoke parameters so as to monitor the smoke temperature, pressure, flow and other parameters.
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.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only for the preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.
Claims (6)
1. A coke oven coke side dust hood is characterized by comprising:
the dust hood comprises a dust hood body (14), wherein the dust hood body (14) is positioned on the coke side of a coke oven body (11);
the coke guide cover (2) is positioned in the dust hood body (14), and a gap is reserved between the outer wall of the coke guide cover (2) and the inner wall of the dust hood body (14);
the coke guide cover (2) is provided with a sealing channel, the inlet end of the sealing channel is fixedly connected with a coke guide grid (12) of the coke oven, and the outlet end of the sealing channel faces a coke quenching car (13) of the coke oven and is used for guiding coke pushed out of a carbonization chamber of a coke oven body (11) to fall into the coke quenching car (13) through the sealing channel of the coke guide cover (2).
2. The coke oven coke side dust hood according to claim 1, characterized in that the coke guide hood (2) is a hollow box structure, and two adjacent sides of the box are respectively provided with an opening, wherein one opening is the inlet end, and the other opening is the outlet end.
3. The coke oven coke side dust hood of claim 1, further comprising:
the air partition plate (3) is arranged on the outer circumference of the bottom of the dust hood body (14) in a movable connection mode;
the output end of the lifting mechanism is connected with the air partition plate (3) to drive the air partition plate (3) to move up and down, so that the air partition plate (3) shields a gap between the bottom of the dust hood body (14) and the inlet end of the coke tank on the coke quenching car (13).
4. The coke oven coke side dust hood according to claim 3, characterized in that the air baffle (3) is of annular configuration, with the end close to the dust hood body (14) being the small end and the end remote from the dust hood body (14) being the large end.
5. A coke discharging and dust removing system of a coke oven is characterized by comprising: the coke oven coke side dust hood of any one of claims 1 to 4.
6. The coke oven coke discharging and dust removing system of claim 5, further comprising a dust removing device, a flue gas conducting device (16) and a ventilating pipe (15);
the dust hood is connected with the dust removing equipment through the ventilation pipe (15) and the smoke conducting device (16), and the ventilation pipe (15) is provided with a through hole (4) for air inlet or smoke parameter measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121405488.8U CN217103709U (en) | 2021-06-23 | 2021-06-23 | Coke oven coke side dust hood and coke oven coke discharging and dust removing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121405488.8U CN217103709U (en) | 2021-06-23 | 2021-06-23 | Coke oven coke side dust hood and coke oven coke discharging and dust removing system |
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| Publication Number | Publication Date |
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| CN217103709U true CN217103709U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121405488.8U Active CN217103709U (en) | 2021-06-23 | 2021-06-23 | Coke oven coke side dust hood and coke oven coke discharging and dust removing system |
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| CN (1) | CN217103709U (en) |
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- 2021-06-23 CN CN202121405488.8U patent/CN217103709U/en active Active
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