CN221275693U - Dust collection device of coke guide - Google Patents

Abstract

The utility model discloses a dust collection device of a coke guide, belongs to the technical field of coking production, and solves the problem that a dust collection device arranged on the coke guide in the prior art is unreasonable due to the arrangement of a smoke ventilation structure. The coke guide device comprises a coke guide and a coke oven, wherein a furnace door is arranged on the coke oven, a dust collecting mechanism is connected to the coke guide, the coke oven further comprises a coke quenching car, a first dust collecting part and a dust collecting mechanism are arranged on the coke guide, a second dust collecting part is connected to the coke quenching car, a first end of the first dust collecting part is connected with the furnace door, a second end of the first dust collecting part is connected with the second dust collecting part, the first dust collecting part and the second dust collecting part are both communicated with the dust collecting mechanism, a flow guiding mechanism is connected to the coke oven, and the furnace door is communicated with the first dust collecting part of the coke guide through the flow guiding mechanism. The dust collection device can stably run for a long time, is a brand new dust collection mode of the coke guide and a smoke ventilation structure, has excellent practical application effect, and can be popularized and applied in batches.

Description

Dust collection device of coke guide

Technical Field

The utility model belongs to the technical field of coking production, and particularly relates to a dust collection device of a coke guide.

Background

The coke guide is matched equipment of a large-scale coke oven, is mainly used for opening and closing an oven door of the coke oven, guides hot coke pushed out of a coke chamber of the coke oven by the coke pusher into the coke quenching car, and is responsible for conveying the oven door and an oven door frame to be maintained. During the guide and transportation process of the coke guide, a large amount of high-temperature smoke can be generated, so that the coke guide is required to be provided with a dust removing device in the use process, and as the coke guide of a coking plant is generally arranged in the same period as a coke oven, the coke guide belongs to mobile process equipment, and therefore the dust removing device of the coke guide can also meet the station movement, and meanwhile, the dust collecting effect is ensured, so that most of the arranged coke guide dust removing devices can not collect smoke in place due to the movement and sealing problem, and the smoke overflows.

In the prior art, the coke guide of the coking plant is provided with the integral airtight cover for collecting the flue gas, so that the method is high in limitation, the dust removal effect is limited, and the coke guide is easy to gather a large amount of high-temperature flue gas, so that the temperature in the coke guide is increased, and the later maintenance cost of equipment is high. In the prior art, an independent dust collecting device is additionally arranged at the top of the coke guide and is matched with a corresponding control structure, so that the method is large in investment in the early stage, and the full collection of the smoke range cannot be met due to the limitation of the size of a dust collecting port, so that an electric control element cannot stably operate for a long time. The dust collector to setting up on the coke guide of current coke oven plant is because flue gas ventilation structure sets up unreasonably, consequently causes the cigarette not to the road, the unsmooth problem of convulsions, and along with the increase of live time simultaneously, dust collecting effect is worse and worse, can't satisfy the problem of the ultra-low environmental protection dust removal requirement of coke oven plant to the flue gas collection device that can long-term steady operation needs to be designed.

Disclosure of utility model

The utility model provides a dust collection device of a coke guide, aiming at the technical problems in the prior art.

In order to solve the technical problems, the coke oven comprises a coke guide and a coke oven, wherein an oven door is arranged on the coke oven, a dust collecting mechanism is connected to the coke guide, the coke oven further comprises a coke quenching car, a first dust collecting part and a dust removing mechanism are arranged on the coke guide, a second dust collecting part is connected to the coke quenching car, a first end of the first dust collecting part is connected with the oven door, a second end of the first dust collecting part is connected with the second dust collecting part, the first dust collecting part and the second dust collecting part are both communicated with the dust removing mechanism, a flow guiding mechanism is connected to the coke oven, and the oven door is communicated with the first dust collecting part of the coke guide through the flow guiding mechanism.

Preferably, the flow guiding mechanism is arranged above the furnace door, the end part of the flow guiding mechanism extends into the first dust collecting part, and the flow guiding mechanism and the furnace door are obliquely arranged at an angle.

Preferably, the first dust collecting part and the flow guiding mechanism are movably arranged, and an overlapping connection area is arranged at the end part of the flow guiding mechanism and the connecting end of the first dust collecting part.

Preferably, the coke guide and the coke quenching car are arranged on the coke side of the side edge of the coke oven and are movably connected with the coke oven, the first dust collecting part is provided with a first dust collecting cover, and the second dust collecting part is provided with a second dust collecting cover.

Preferably, the first dust hood and the second dust hood are both connected to the coke guide, the lower end of the first dust hood is connected to the flow guiding mechanism, the upper end of the first dust hood is fixedly connected to the end of the second dust hood, and the outer end of the second dust hood is communicated with the dust removing mechanism.

Preferably, the quench car is independently arranged, and the quench car is arranged below the coke guide in operation, and the second dust collecting part is arranged at the upper end of the quench car and forms a closed dust collecting space with the first dust collecting part.

Preferably, the coke guide grating is fixedly connected to the coke guide grating, the coke guide grating is arranged at the upper end of the coke quenching car, the first dust collecting part is obliquely arranged, and the coke quenching car and the coke guide grating are communicated with the dust collecting space of the second dust collecting part.

Preferably, the guide mechanism is provided with a guide plate, one end of the guide plate is fixedly connected with the upper end of the furnace door, and the other end of the guide plate is obliquely and extendedly arranged and communicated with the first dust collecting part.

Preferably, the dust collector further comprises a control mechanism, the second dust collection part is connected with a control valve, the control valve is electrically connected with the control mechanism, and the control valve can move in a telescopic manner along the axial direction of the second dust collection part.

Preferably, the coke oven further comprises a door picking mechanism, wherein an upper top plate of the door picking mechanism is overlapped with a dust collecting port of the first dust collecting part, the oven door is connected to the side edge of the coke oven, and the door picking mechanism controls the opening and closing of the oven door.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model provides a device capable of stably collecting smoke of a coke guide car for a long time, which has a simple structure, and is characterized in that a flow guide mechanism is arranged at a furnace door position, high-temperature smoke is quickly guided into a dust collection part by utilizing the heat lifting of the smoke, the flow guide mechanism is connected with the dust collection part, so that the smoke cannot overflow, then the smoke collected by the dust collection part is treated by the dust collection mechanism, the full collection of the high-temperature smoke in a furnace and a coke quenching car is realized under the cooperation of a first dust collection part and a second dust collection part, and the in-place collection of the smoke is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the present utility model;

Fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present utility model.

The symbol marks in the figures illustrate:

1. A coke guide; 2. coke oven; 3. a furnace door; 4. a quench car; 5. a first dust collection part; 51. a first dust collection cover; 6. a dust removing mechanism; 61. a dust removal main pipe; 7. a second dust collection part; 71. a second dust collection cover; 8. a diversion mechanism; 81. a deflector; 9. a door picking mechanism; 10. a coke guide grid; 11. and controlling the valve.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

Referring to fig. 1, the utility model provides a dust collection device of a coke guide, which comprises a coke guide 1 and a coke oven 2, wherein a furnace door 3 is arranged on the coke oven 2, a dust collection mechanism is connected to the coke guide 1, the dust collection device further comprises a coke quenching car 4, a first dust collection part 5 and a dust collection mechanism 6 are arranged on the coke guide 1, a second dust collection part 7 is connected to the coke quenching car 4, a first end of the first dust collection part 5 is connected with the furnace door 3, a second end of the first dust collection part 5 is connected with the second dust collection part 7, the first dust collection part 5 and the second dust collection part 7 are both communicated with the dust collection mechanism 6, a flow guide mechanism 8 is connected to the coke oven 2, and the furnace door 3 is communicated with the first dust collection part 5 of the coke guide 1 through the flow guide mechanism 8.

The utility model provides a device capable of stably collecting flue gas of a coke guide car for a long time, which has a simple structure, and is characterized in that a flow guide mechanism 8 is arranged at the position of a furnace door 3, high-temperature flue gas is quickly guided into a dust collection part by utilizing the thermal lifting of the flue gas, the flow guide mechanism 8 is connected with the dust collection part, so that the flue gas cannot overflow, then the flue gas collected by the dust collection part is treated by the dust collection mechanism, and the full collection of the high-temperature flue gas in a furnace and in a coke quenching car 4 is realized under the cooperation of a first dust collection part 5 and a second dust collection part 7, so that the in-place collection of the flue gas is realized.

Specifically, as shown in fig. 1, the side edge of the coke oven 2 is the coke side, the coke guide 1 is arranged on a rail on the coke side of the coke oven 2, the coke guide 1 can move according to the requirement, and when the coke guide 1 needs to work, the coke guide 1 moves to the side edge of the coke oven 2 along the rail and then cooperates with the coke oven 2 to work correspondingly.

In this embodiment, the guiding mechanism 8 is disposed above the oven door 3, the end of the guiding mechanism 8 extends into the first dust collecting portion 5, and the guiding mechanism 8 is disposed at an angle with respect to the oven door 3.

Specifically, as shown in fig. 2, the flow guiding mechanism 8 is provided with a flow guiding plate 81, the flow guiding plate 81 is of a plate-shaped structure obliquely arranged on the side edge of the furnace door 3, one end of the flow guiding plate 81 is fixedly connected with the upper end of the furnace door 3, the other end of the flow guiding plate 81 is obliquely arranged obliquely upwards to the left, the outer end of the flow guiding plate 81 is communicated with the first dust collecting part 5, and when the furnace door 3 is opened, flue gas enters the first dust collecting part 5 along the flow guiding plate 81 arranged above the furnace door 3 under the action of negative pressure.

Furthermore, the connection position of the guide plate 81 and the coke oven 2 is higher than the upper part of the oven door 3, and the end part of the guide plate 81 and the upper end of the oven door 3 are connected in a welded and fixed mode, the included angle between the guide plate 81 and the horizontal plane is smaller than 120 degrees, and the guide plate structure is obliquely arranged, so that the flue gas of the oven door 3 is conveniently guided into the first dust collecting part 5 above.

Further, as a preferred embodiment of the present utility model, the deflector 81 is disposed along the length direction of the upper end of the oven door 3, and the width of the deflector 81 is 300mm, so that the flue gas of the oven door 3 can be guided into the moving first dust collecting part 5.

Furthermore, as a preferred embodiment of the present utility model, the specific structural arrangement of the guiding mechanism 8, the arrangement of the guiding plate 81, and the connection between the guiding plate 81 and the oven door 3 can be adapted according to the actual requirement.

In this embodiment, the door 3 is opened and closed by the door removing mechanism 9, the door removing mechanism 9 can move along the guide rail arranged above, when the door removing mechanism 9 moves to the right front of the door 3, the door removing mechanism 9 opens the door 3, after the door opening action of the door removing mechanism 9 is completed, the door removing mechanism 9 is far away from the door 3, and the first dust collecting part 5 can be completely opened to perform dust removing work.

Specifically, after the door picking mechanism 9 moves and adjusts to the position right in front of the furnace door 3 along the guide rail, at this moment, the upper top plate of the door picking mechanism 9 coincides with the dust collecting port of the first dust collecting part 5, so that the dust collecting port can be blocked, the flue gas during door opening can enter the first dust collecting part 5 along the guide plate 81 arranged above the furnace door 3, and the rest scattered flue gas can be pumped into the first dust collecting part 5 along the gap position through negative pressure due to the increase of the dust collecting port, and after the door body of the furnace door 3 is completely opened, a large amount of furnace door flue gas overflows, at this moment, the door picking mechanism 9 can move away from the furnace door 3, the first dust collecting part 5 above the furnace door 3 is in a completely opened state, and dust collection can be fully performed.

In this embodiment, first dust collection portion 5 and second dust collection portion 7 are all connected on coke guide 1, thereby first dust collection portion 5 and second dust collection portion 7 all remove according to coke guide 2, first dust collection portion 5 and the inner welded fastening of second dust collection portion 7 set up an organic whole, after coke guide 1 removes in place, the tip of first dust collection portion 5 is linked together with the upper end of guide plate 81, first dust collection portion 5 adopts mobilizable connected mode with guide plate 81, and the tip of guide plate 81 is provided with overlapping handing-over region with the hookup location of first dust collection portion 5, thereby form the enclosure space, avoid the flue gas to spill over, increase the flue gas collection effect.

Specifically, as shown in fig. 2, the first dust collecting part 5 is provided with a first dust collecting cover 51, the first dust collecting cover 51 is welded and fixed with the coke guide 1 body through a frame connection structure, the first dust collecting cover 51 is obliquely arranged at the upper end of the deflector 81, the lower end of the first dust collecting cover 51 is connected with the end part of the deflector 81, the upper end of the first dust collecting cover 51 is fixedly connected with the second dust collecting part 7, and the problem of movable sealing and collecting of the deflector 81 and the coke guide on the side of the furnace door is considered, and the overlapping positions of the deflector 81 and the coke guide top are prolonged, so that the overlapping and staggering of the end part of the first dust collecting cover 51 and the upper end of the deflector 81 do not influence the passing of the coke guide 1, the dust removing effect of the smoke of the furnace door 3 is ensured, and the smoke is prevented from overflowing.

Further, as shown in fig. 3, as a preferred embodiment of the present utility model, the width of the overlapping area of the end of the first dust collecting cover 51 and the baffle 81 is about 100mm, so as to ensure the sealing effect, and the structures of the first dust collecting cover 51 and the baffle 81 form a closed package space, so that the internal flue gas cannot overflow.

In the embodiment, the second dust collecting part 7 is provided with a second dust collecting cover 71, the second dust collecting cover 71 is also welded and fixed with the coke guide 1 body through a frame connecting structure, and the second dust collecting cover 71 is a cover structure with the upper end and the periphery being closed, so as to form a through-bottom smoke cover structure; the right end of the second dust hood 71 is connected with the first dust hood 51 for receiving the flue gas from the furnace door 3, the left end of the second dust hood 71 is communicated with the dust removing mechanism 6, and the flue gas collected by the dust hood is concentrated by the dust removing mechanism 6.

In this embodiment, the quench car 4 is independently disposed, and the quench car 4 is disposed at a side of the coke oven 2 when working, and the quench car 4 is disposed under the coke guide 1 when discharging coke, and the second dust hood 71 is disposed at an upper end of the quench car 4 and forms a closed dust collecting space with the first dust hood 51, so that the second dust hood 71 is also used for collecting high-temperature flue gas generated in the transporting process of the quench car 4.

Still further, still fixedly connected with leads burnt bars 10 on the coke guide 1, lead burnt bars 10 and set up on coke guide 1 through welded fastening's mode, and with coke guide 1 synchronous motion, lead burnt bars 10 and set up in the upper end of coke quenching car 4, coke quenching car 4 and lead burnt bars 10 and all be linked together with the dust collecting space of second dust collection unit 7, under the collecting action of second dust collection unit 7, with lead burnt bars 10 and the flue gas that coke quenching car 4 falls collect completely, then merge and enter into in the dust removal mechanism 6.

Further, as a preferred embodiment of the present utility model, the first dust hood 51 and the second dust hood 71 are each provided in a stainless steel frame+steel plate structure.

In this embodiment, the second dust collecting part 7 is connected with a control valve 11, and the control valve 11 can move telescopically along the axial direction of the second dust collecting part 7.

Specifically, the control valve 11 is an electro-hydraulic coupling valve arranged on the second dust hood 71, and the operation is stable, the electro-hydraulic coupling valve comprises an electro-hydraulic part and a control part, the control valve 11 is welded and fixed on the second dust hood 71 in a sleeve connection mode, the control part can be driven to axially stretch and retract through the electro-hydraulic part, the position of the control valve 11 is adjusted, and then fixed-point sealing collection of movement and dust removal movement of the coke guide 1 is performed.

Furthermore, as a preferred embodiment of the utility model, the coke guide further comprises a control mechanism, wherein the control mechanism realizes the automatic and joint control of each device, and the control valve 11 is electrically connected with the control mechanism and is synchronously controlled by signals with the coke guide 1.

In this embodiment, the dust removing mechanism 6 is provided with a negative pressure fan, a negative pressure environment is formed in the dust hood through the negative pressure fan, flue gas collection is conveniently carried out, the dust removing mechanism 6 comprises a dust removing dry pipe 61, the dust removing dry pipe 61 is fixedly arranged on the side edge of a second dust hood 71 through a floor pipeline bracket, the end part of the dust removing dry pipe 61 is communicated with the second dust hood 71, flue gas collected by the second dust hood 71 enters the dust removing dry pipe 61 through a connecting pipeline, the dust removing dry pipe 61 is connected with external treatment equipment, and the dust removing dry pipe 61 is matched with the collection treatment of the flue gas.

The working principle of the utility model is as follows:

When the coke oven 2 needs to be opened, after the coke guide 1 moves in place, the door picking mechanism 9 moves to the right front of the oven door 3 along the guide rail, at the moment, the upper top plate of the door picking mechanism 9 coincides with the cover opening of the first dust collecting cover 51 to block the smoke cover opening, the smoke generated during the door opening action enters the cover body along the guide plate 81 fixed above the oven door 3, and the rest scattered smoke is pumped into the first dust collecting cover 51 from the negative pressure along other gap positions due to the increase of the cover opening. When the door body of the furnace door 3 is fully opened, a large amount of flue gas in the furnace overflows, the door picking mechanism 9 is recovered at the moment and is far away from the furnace door 3, the first dust hood 51 above the door body is fully opened for dust collection, and the first dust hood 51 can move along with the coke guide 1 due to the fact that the guide plate 81 is fixed on the furnace body, the guide plate 81 and the first dust hood 51 form a closed wrapping space under the upward guide effect by combining the rising speed of the hot lifting flue gas, the flue gas cannot overflow, and the inclination of the first dust hood 51 arranged along the inclination continuously climbs to enter the dust collection main pipe 61.

The second dust hood 71 arranged on the upper part of the coke quenching car 4 below completely collects the drop flue gas of the coke guide grating 10 and the coke quenching car 4, and the drop flue gas is combined and collected into the dust removal dry pipe 61, and the hood opening area of the first dust hood 51 and the second dust hood 71 is increased by calculation, so that part of natural cold air is pumped in to cool the flue gas, the service life of the hood body is greatly prolonged, and the complete collection of the flue gas is realized by combining the seal of the coke guide car body made of stainless steel.

The utility model has simple structure, the flue gas at the position of the furnace door 3 is guided, the guide mechanism is arranged at the position of the furnace door 3, the high-temperature flue gas is quickly guided into the dust hood above by utilizing the thermal lifting of the flue gas, meanwhile, the moving sealing collection of the side guide plate 81 of the furnace door and the coke guide 1 is considered, the overlapping position of the guide plate 81 and the top of the coke guide 1 is prolonged, and the long guide plate is arranged, so that the overflow of the flue gas is avoided, and meanwhile, the passing of the coke guide 1 is not influenced. According to the utility model, natural wind is sucked through increasing the dust collection area of the dust collection cover, the natural wind supplementing air quantity is increased in addition to meeting the flue gas air quantity requirement, the actual temperature of the flue gas is lowered, the flue gas of the furnace door is cooled, the deformation and cracking caused by long-term high temperature of the dust removal device are prevented, the long-term high-temperature operation state can be adapted, the requirement of long-term stable use is met, 30% of the flue gas when the furnace door is opened and 70% of the flue gas in the coke discharging process completely removed from the furnace door completely enter the dust collection cover, the optimal dust collection effect is achieved, meanwhile, the transformation investment cost and the maintenance cost are reduced to the greatest extent, and the ultra-low emission environment-friendly dust removal requirement of a coking plant can be met.

In conclusion, the dust collection device capable of meeting long-term high-temperature stable use is a brand new dust collection mode of the coke guide and a smoke ventilation structure, has excellent practical application effect and can be popularized and applied in batches.

In the description of the present utility model, it should be understood that the directions or positional relationships such as the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims (10)

1. The utility model provides a coke guide dust collection device, includes coke guide, coke oven, be provided with the furnace gate on the coke oven, be connected with dust collection mechanism on the coke guide, its characterized in that still includes the coke quenching car, be provided with first dust collection portion and dust removal mechanism on the coke guide, be connected with second dust collection portion on the coke quenching car, first dust collection portion's first end with the furnace gate is connected, first dust collection portion's second end with second dust collection portion is connected, just first dust collection portion, second dust collection portion all with dust removal mechanism intercommunication, be connected with guiding mechanism on the coke oven, the furnace gate pass through guiding mechanism with coke guide's first dust collection portion intercommunication.

2. The coke guide dust collection device according to claim 1, wherein the flow guide mechanism is disposed above the oven door, an end of the flow guide mechanism extends into the first dust collection portion, and the flow guide mechanism is disposed at an angle inclined to the oven door.

3. The dust collection device of a coke guide as claimed in claim 1, wherein the first dust collection part and the flow guide mechanism are movably arranged, and an overlapping connection area is formed between an end part of the flow guide mechanism and a connection end of the first dust collection part.

4. The coke guide dust collection device according to claim 1, wherein the coke guide and the coke quenching car are both arranged on the coke side of the side edge of the coke oven and are movably connected with the coke oven, the first dust collection part is provided with a first dust collection cover, and the second dust collection part is provided with a second dust collection cover.

5. The coke guide dust collection device according to claim 4, wherein the first dust hood and the second dust hood are both connected to the coke guide, the lower end of the first dust hood is connected to the guiding mechanism, the upper end of the first dust hood is fixedly connected to the end of the second dust hood, and the outer end of the second dust hood is communicated with the dust removal mechanism.

6. The coke guide dust collection device according to claim 1, wherein the coke quenching car is independently arranged, the coke quenching car is arranged below the coke guide when in operation, and the second dust collection part is arranged at the upper end of the coke quenching car and forms a closed dust collection space with the first dust collection part.

7. The dust collection device of a coke guide according to any one of claims 1 to 6, wherein a coke guide grating is fixedly connected to the coke guide grating, the coke guide grating is disposed at an upper end of a coke quenching car, the first dust collection part is disposed obliquely, and both the coke quenching car and the coke guide grating are communicated with a dust collection space of the second dust collection part.

8. The coke guide dust collection device according to any one of claims 1 to 6, wherein the deflector is provided with a deflector, one end of the deflector is fixedly connected to the upper end of the oven door, and the other end of the deflector is obliquely extended and is communicated with the first dust collecting part.

9. The dust collection device of a coke guide as claimed in claim 1, further comprising a control mechanism, wherein the second dust collection part is connected with a control valve, the control valve is electrically connected with the control mechanism, and the control valve can move telescopically along the axial direction of the second dust collection part.

10. The dust collection device of a coke guide as claimed in claim 1, further comprising a door picking mechanism, wherein an upper top plate of the door picking mechanism coincides with a dust collection port of the first dust collection part, the furnace door is connected to a side edge of the coke oven, and the door picking mechanism controls opening and closing of the furnace door.