CN211199117U - Dry quenching bidirectional flat gate - Google Patents

Abstract

The utility model relates to a two-way flat gate of dry coke quenching, including casing, flashboard, screw nut pair, electric actuator, the casing both sides are equipped with electric actuator respectively and drive the vice inside and outside removal of corresponding screw nut, the vice flashboard that drives and corresponding connection of screw nut removes in the casing. The two-way electric screw and nut pair is adopted by the flat gate to drive the corresponding double gate plates to move inside and outside the valve body, so that the problem of dust deposition on the surface of the screw of the existing flat gate in the box body is effectively solved, and the phenomenon that the screw and the nut are blocked is prevented.

Description

Dry quenching bidirectional flat gate

Technical Field

The utility model belongs to the technical field of cubic material cutting device mechanical equipment and specifically relates to a be arranged in coke dry quenching coke discharging device and sintering deposit shaft furnace discharge device as material cutting device.

Background

The coke dry quenching coke discharging device flat gate is important cutting equipment in a coke dry quenching discharging system, is arranged between a bottom outlet of a dry quenching furnace and an upper chute of a vibratory feeder, and is mainly used for opening and closing a feed opening of the dry quenching furnace, and closing the flat gate when the discharging system breaks down or stops the furnace for maintenance, so that the coke is prevented from being discharged from the furnace to cause coke slip accidents. The flat gate is generally only uncovered when overhauing and maintaining, and at daily operation in-process, the inspection of uncapping and maintenance need stop circulating fan, and production will be interrupted, consequently, row burnt device flat gate can long period steady operation, is the important prerequisite of guarantee dry coke quenching system normal production.

The opening and closing of the flat gate of the coke discharging device mainly realizes the opening or closing of the flat gate by driving a screw nut pair to displace or an oil cylinder to stretch by an electric device, the structure of the flat gate of the existing coke discharging device is as disclosed in patent documents with publication numbers CN 202972116U and CN 206396116U, namely, an electric head of a coke dry quenching flat gate and an opening executing device of the coke dry quenching flat gate, the flat gate driven by the electric device at present mainly comprises a shell, a screw rod, a nut and a bearing, the electric device drives the nut to rotate, the nut is fixed in the bearing shell by an upper bearing and a lower bearing, and most threads of the common screw rod are in the box, so the screw rod is easy to be grey. The gate plate is in a normally open state in the daily operation process, the flat plate gate is closed only when dry quenching annual repair, a vibrating feeder and a rotary sealing valve are out of order or material clamping needs to be cut off emergently, the operation environment temperature of the electric head of the existing flat plate gate is high, the dust content is high, so that dust is prone to adhering to the surface of the screw rod, the gap between the screw rod and the nut is small, the gate is opened and closed, the dust adhering to the surface of the screw rod is brought into the nut by the screw rod to be fully accumulated, the screw rod and the nut are blocked, the electric device cannot act, the flat plate gate cannot normally act, the normal coke quenching production of the coke oven is seriously affected, in addition, the front half of the closed one-way dry quenching flat plate gate is a coke pushing process, the rear half of the closed one-way dry quenching flat plate gate is a coke.

Disclosure of Invention

Based on the above problem, the utility model aims to solve the technical problem that a two-way flat gate that opens is provided, thoroughly solved the screw rod surface and ash deposition in the valve body, the dead phenomenon of screw rod and nut card has been prevented from taking place, the flat gate has been solved and has been crowded burnt process for when closing the in-process after-closure, because crowded burnt production thrust causes the flashboard to damage and the crowded jam of coke granule puckery easily, the problem of the burnt segregation of row that causes when having solved the flat gate damage and opening the part has simultaneously been solved, also can solve in the normal production temporary adjustment dry quenching burnt serious segregation problem of grate.

In order to achieve the above purpose, the utility model provides a following technical scheme: the two-way flat gate for dry quenching comprises a shell, gate plates, screw nut pairs and electric devices, wherein the electric devices are arranged on two sides of the shell respectively and drive the corresponding screw nut pairs to move inside and outside, and the screw nut pairs drive the gate plates which are correspondingly connected to move in the shell.

The utility model discloses further set up to: the screw and nut pair comprises a nut and a screw, the screw is respectively provided with a connecting block, a polished rod and a stud, the nut is installed in a nut seat through an upper bearing and a lower bearing, the electric device is installed on the nut seat and drives the nut to rotate so as to enable the screw to move back and forth, and the nut seat and the shell are connected together through a support.

The utility model discloses further set up to: the shell consists of a gate body and two side box bodies.

The utility model discloses further set up to: the gate plate is composed of a flat plate and supporting legs, one end of the flat plate is provided with the supporting legs, the other end of the supporting legs is a knife edge, and the knife edge is in a knife shape.

Has the advantages that: the utility model has the advantages that the nut of having solved in the original screw rod and screw rod setting are in the box, cause the gate at the switching in-process, attach the dust of inhaling on the screw rod surface and have no way to clear up, make it bring into nut inner pile coke dust and tiny particle into by the screw rod, it is dead with the nut card to cause the screw rod, and close the extrusion of in-process back half stroke to the coke at the flashboard and cause thrust too big and can not close, seriously then damage the trouble emergence of casing and flashboard, it has thoroughly solved and has attached the dust problem of inhaling on the screw rod, greatly reduced the probability of trouble in the use, the row burnt segregation problem that causes after having solved the plate gate trouble, special treatment through the edge of a knife can directly cut off the coke and reach and close the mesh.

The present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of the external structure of the present invention;

fig. 2 is a cross-sectional view a-a of fig. 1 in accordance with the present invention;

FIG. 3 is a view of the screw part of the present invention;

FIG. 4 is a detail view of the shutter of the present invention;

FIG. 5 is a schematic view of a prior art one-way plate gate;

FIG. 6 is a cross-sectional view B-B of the prior art one-way plate gate of FIG. 5;

reference numerals: 1. electric actuator, 2, support, 3, screw and nut pair, 4, casing, 4.1, gate body, 4.2, box, 4.3 manhole, 4.4, dust discharge port, 5, flashboard, 5.1, flat plate, 5.2, landing leg, 5.3, knife edge, 6, nut seat, 6.1, bearing, 7, nut, 8, screw, 8.1, connecting block, 8.2, polished rod, 8.3, stud, 9, seal box, 9.1 gland, 9.2, sealing washer, 10, pivot pin, 11, riding wheel, 12, dust hopper.

Detailed Description

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Referring to the attached drawings 1-4, the coke dry quenching coke discharging bidirectional flat gate disclosed by the utility model comprises a shell 4, a gate plate 5, a screw nut pair 3 and an electric device 1, wherein the electric device 1 is respectively arranged on two sides of the shell 4 to drive the corresponding screw nut pair 3 to move inside and outside, the screw nut pair 3 drives the gate plate 5 connected with the screw nut pair to move inside the shell 4, a riding wheel 11 is arranged in the shell 4, and the gate plate 5 slides on the corresponding riding wheel 11; the problem of the flat gate be crowded burnt process when closing the back half in-process, because crowded burnt production thrust is too big causes flashboard damage and coke granule crowded stopper bite easily, the burnt segregation problem of row that has solved simultaneously that the flat gate damages and only open the time of a small part and cause and the serious problem of burnt segregation of row of putting out the stove as temporary adjustment dry quenching in normal production is solved, it can freely switch over and can not block the material under the burnt continuous operation condition of row, greatly reduced the service failure probability, and the service life is prolonged, advantages such as maintenance cost have been reduced.

The embodiment further provides that: the screw and nut pair 3 comprises a nut 7 and a screw 8, the screw 3 is respectively provided with a connecting block 8.1, a polished rod 8.2 and a stud 8.3, the nut 7 is installed in a nut seat 6 through upper and lower bearings 6.1, the electric device 1 is installed on the nut seat 6 and drives the nut 7 to rotate so as to enable the screw 8 to reciprocate, the nut seat 6 is connected with the shell 4 through a support 2, the polished rod 8.2 end of the screw 8 is arranged in the shell 4, the polished rod 8.2 isolates and seals gas in the shell 4 from the outside through a sealing ring 9.2 and a gland 9.1 which are installed in a sealing box 9 on the support, the stud 8.3 and the corresponding nut 7 are arranged outside the shell 4 through the support 2, the influence of the medium temperature in the inner cavity of the shell 4 on the electric device 1 is solved, the problem that coke powder and small coke particles are adsorbed on the stud 8.3 is solved, and the problem that the screw nut 3 is blocked due to the fact that the small coke powder and small coke particles are brought into the nut 7 through the rotation of.

The embodiment further provides that: casing 4 comprises floodgate body 4.1 and both sides box 4.2, box 4.2 top is equipped with access hole 4.3, box 4.2 below is equipped with unloads grey mouth 4.4, unload grey mouth 4.4 and discharge the assigned position with the dust through ash bucket 12, prevent that the too much unable whole flashboards 5 of opening of burnt powder in the box 4.2 of both sides.

The embodiment further provides that: the gate plate 5 consists of a flat plate 5.1 and supporting legs 5.2, one end of the flat plate 5.1 is provided with the supporting legs 5.2, and the other end of the flat plate is a knife edge 5.3, and the knife edge is in a 5.3-stroke knife shape. The connecting block 8.1 on the screw 3 is connected with the supporting leg 5.2 on the corresponding gate plate 5 through a shaft pin 10, the two flat plates 5.1 drive the screw nut pair 3 to cut off coke through the knife edge 5.3 on the corresponding electric device 1, the coke cutting thrust is reduced, and the purpose of tightly closing the bidirectional flat plate gate is achieved; the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, etc. made within the principle and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. Dry coke quenching two-way flat gate, including casing (4), flashboard (5), screw nut are vice (3), electric actuator (1), its characterized in that: the two sides of the shell (4) are respectively provided with an electric device (1) which drives the corresponding screw nut pair (3) to move inside and outside, and the screw nut pair (3) drives the flashboard (5) which is correspondingly connected to move inside the shell (4).

2. The dry quenching bi-directional flat gate of claim 1, wherein: the screw and nut pair (3) comprises a nut (7) and a screw (8), the screw (8) is respectively provided with a connecting block (8.1), a polished rod (8.2) and a stud (8.3), the nut (7) is installed in a nut seat (6) through an upper bearing (6) and a lower bearing (6.1), the electric device (1) is installed on the nut seat (6) to drive the nut (7) to rotate so that the screw (8) can move back and forth, and the nut seat (6) is connected with the shell (4) through a support (2).

3. The dry quenching bi-directional flat gate of claim 1, wherein: the shell (4) is composed of a brake body (4.1) and box bodies (4.2) on two sides.

4. The dry quenching bi-directional flat gate of claim 1, wherein: the gate plate (5) consists of a flat plate (5.1) and supporting legs (5.2), one end of the flat plate (5.1) is provided with the supporting legs (5.2), the other end of the flat plate is a knife edge (5.3), and the knife edge (5.3) is in a knife shape.

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