Safe heat insulation device for online replacement of small grinding plate of coke oven

Abstract

The utility model discloses a safe heat insulation device for on-line replacement of a small coke oven grinding plate, which relates to the technical field of coking production process, and comprises a support, a working platform, a heat insulation plate and an upper baffle, the working platform is fixedly connected to the middle of the support so that an operator can stand on the working platform to replace the small coke oven grinding plate; the heat shielding plate is fixedly connected to one side of the top of the bracket so as to extend into the furnace body to isolate heat of the furnace body; the upper baffle is used for being fixedly connected to the top of the support so as to prevent fallen coke from hitting the body of an operator in the operation process, the structure is simple, use is convenient, and online safe and rapid replacement of the small grinding plate of the coke oven is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the coking production process technical field, in particular to a coke oven small mill plate on -line replacement safety heat insulation device. BACKGROUND

[0002] The coke oven is the complex type furnace that will mix coal is isolated from air and heats production coke, needs to open and close the machine coke side furnace door frequently in the production process, and along with the coke oven furnace age increases, the coke oven machine, the small mill plate of coke side will be damaged under the action of extremely cold and extremely hot, when the small mill plate is damaged, needs to carry out on -line replacement, and the carbonization chamber connected with the small mill plate is about 1000 DEG C, the temperature is high, and there is red coke falling in the replacement process, the operation difficulty is big, and the time and the strength are consumed, and there are the hidden dangers of high altitude falling, high temperature burn, scald. UTILITY MODEL CONTENT

[0003] The utility model discloses a coke oven small mill plate on -line replacement safety heat insulation device to solve the problem of the prior art, simple structure, convenient to use, effectively guarantee the on -line safety, the quick replacement of coke oven small mill plate.

[0004] In order to achieve the above object, the utility model provides the following scheme:

[0005] The utility model provides a coke oven small mill plate on -line replacement safety heat insulation device, include: support, operation platform, heat shield, upper baffle, the operation platform fixed connection in the middle part of support to make the operation personnel stand on the operation platform and carry out the replacement operation of coke oven small mill plate, the heat shield is used for fixed connection in the top side of support to extend into the furnace body and insulate the heat of the furnace body, the upper baffle is used for fixed connection in the top of support to prevent the coke falling in the operation process from hitting the operation personnel.

[0006] Preferably, it further includes a ladder, and the ladder is fixedly connected to one side of the support away from the heat shield.

[0007] Preferably, it further includes a plurality of movable wheels, and each movable wheel is arranged at the bottom of the support.

[0008] Preferably, each movable wheel is provided with a stopper.

[0009] Preferably, it further includes a refractory fiber felt layer, and the refractory fiber felt layer is fixedly connected to one side of the heat shield close to the support.

[0010] Preferably, the upper baffle is in the shape of a suspended roof.

[0011] Preferably, the baffle is made of an iron plate.

[0012] Preferably, the support is made of an iron pipe with a DN25 size.

[0013] The utility model discloses relative to prior art has obtained following technical effect:

[0014] The utility model discloses a coke oven small mill plate on -line replacement safety heat insulating device can be isolated the heat of furnace body through heat shield board, prevents the coke that falls in the operation process from hitting the operator's body through upper baffle, and the operation platform is convenient for operator operation, simple structure, convenient to use, effectively guarantees the on -line safety, quick replacement of coke oven small mill plate. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be to the drawing needed in the embodiment used briefly introduces, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0016] Figure 1 The utility model provides a coke oven small mill plate on -line replacement safety heat insulating device's structural schematic diagram;

[0017] In the drawing: 1, upper baffle;2, heat shield board;3, operation platform;4, moving wheel;5, ladder;6, support. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model, obviously, the described embodiment only is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without making creative labor are within the protection scope of the utility model.

[0019] The utility model discloses a coke oven small mill plate on -line replacement safety heat insulating device to solve the problems in the prior art, simple structure, convenient to use, effectively guarantee the on -line safety, quick replacement of coke oven small mill plate.

[0020] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the following will be to the utility model with further detailed description of specific embodiment and accompanying drawing.

[0021] The utility model provides a coke oven small mill plate on -line replacement safety heat insulating device, such as Figure 1As shown, it comprises: a support 6, a work platform 3, a heat shield 2, an upper baffle 1, the work platform 3 is fixedly connected to the middle part of the support so that the operator stands on the work platform 3 to carry out the replacement work of the coke oven small mill plate; the heat shield 2 is used for being fixedly connected to one side of the top of the support 6 to extend into the furnace body to insulate the heat of the furnace body; the upper baffle 1 is used for being fixedly connected to the top of the support 6 to prevent the fallen coke from hitting the operator during the operation, the heat shield 2 can insulate the heat of the furnace body, the upper baffle 1 can prevent the fallen coke from hitting the operator during the operation, the work platform 3 is convenient for the operator to operate, the structure is simple, convenient to use, and the online safety and rapid replacement of the coke oven small mill plate are effectively ensured.

[0022] In a preferred embodiment, the coke oven small mill plate online replacement safety heat shielding device further comprises a ladder 5 fixedly connected to the side of the support 6 away from the heat shield 2, which is simple in structure, convenient to use, and convenient for the operator to go from the ground to the work platform 3.

[0023] In a preferred embodiment, the coke oven small mill plate online replacement safety heat shielding device further comprises a plurality of moving wheels 4, each moving wheel 4 being arranged at the bottom of the support 6, which is simple in structure, convenient to use, and convenient for moving the device as a whole.

[0024] In a preferred embodiment, the moving wheels 4 are each provided with a stop piece, which can limit the movement of the moving wheels 4 and ensure the stability of the frame during replacement.

[0025] In a preferred embodiment, the coke oven small mill plate online replacement safety heat shielding device further comprises a refractory fiber felt layer fixedly connected to the side of the heat shield 2 close to the support 6, which is fixed by iron wire and the heat shield 2, convenient for regularly replacing the refractory fiber felt layer on the heat shield 2, and ensuring the heat shielding effect.

[0026] In a preferred embodiment, the upper baffle 1 is in the shape of a roof, which is simple in structure, prevents the fallen coke from hitting the operator during the operation, and will not accumulate on the top of the upper baffle 1.

[0027] In a preferred embodiment, the baffle is made of iron plate, which is simple in structure and convenient to obtain materials.

[0028] In a preferred embodiment, the support is made of DN25 iron pipe, which is simple in structure and convenient to obtain materials.

[0029] Working process: According to the size of the furnace body, the safety heat shielding device is made, including the upper baffle 1, the heat shield 2, the work platform 3, the ladder 5, the moving wheel 4, and the refractory fiber felt is bound on the heat shield 2 by iron wire for heat shielding;

[0030] After determining the furnace number of the millstone to be replaced, the coal loading amount of the corresponding furnace number is reduced in advance to reduce the caving phenomenon in the operation process, the furnace door is lifted 3 hours before normal pushing of coke, and the safety heat insulation device is applied to the maintenance furnace number to replace the millstone.

[0031] After the operation is completed, the safety heat insulation device is withdrawn, the furnace door is closed after the coke in the furnace bottom is cleaned, and the maintenance time is about 1 hour, which does not affect the normal production of the coke oven.

[0032] The refractory fiber felt on the heat shielding plate 2 needs to be replaced regularly to ensure the heat insulation effect.

[0033] The principle and implementation mode of the present application are described by applying specific examples in the present application, and the above examples are only used to help understand the method and core idea of the present application; meanwhile, for the general technical personnel in the field, the specific implementation mode and application range will be changed according to the idea of the present application. In conclusion, the content of the specification should not be understood as a limitation of the present application.

Claims

1. A safety and heat insulation device for online replacement of small grinding plates in coke ovens, characterized in that: It comprises: a support, a work platform fixedly connected to the middle part of the support to enable a worker to stand on the work platform to replace the small grinding plate of a coke oven, a heat shielding plate fixedly connected to one side of the top of the support to extend into the oven body to insulate the heat of the oven body, and an upper baffle fixedly connected to the top of the support to prevent the falling coke from hitting the worker during the work.

2. The coke oven mill plate online replacement safety insulation device according to claim 1, characterized in that: It further comprises a walk ladder fixedly connected to the side of the support away from the heat shielding plate.

3. The coke oven mill plate online replacement safety insulation device according to claim 2, characterized in that: It further comprises a plurality of moving wheels, each of which is arranged at the bottom of the support.

4. The coke oven mill plate online replacement safety insulation device according to claim 3, characterized in that: Each of the moving wheels is provided with a stopper.

5. The coke oven mill plate online replacement safety insulation device according to claim 4, characterized in that: It further comprises a refractory fiber felt layer fixedly connected to the side of the heat shielding plate close to the support.

6. The coke oven mill plate online replacement safety insulation device according to claim 5, characterized in that: The upper baffle is in the shape of a suspended roof.

7. The coke oven mill plate online replacement safety insulation device according to claim 6, characterized in that: The baffle is made of an iron plate.

8. The coke oven mill plate online replacement safety insulation device according to claim 7, characterized in that: The support is made of an iron pipe with a DN25 size.

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