CN216106766U - Device for adjusting transverse temperature of compound heat type coke oven when using coke oven gas - Google Patents
Device for adjusting transverse temperature of compound heat type coke oven when using coke oven gas Download PDFInfo
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- CN216106766U CN216106766U CN202121554293.XU CN202121554293U CN216106766U CN 216106766 U CN216106766 U CN 216106766U CN 202121554293 U CN202121554293 U CN 202121554293U CN 216106766 U CN216106766 U CN 216106766U
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Abstract
The utility model provides a device for adjusting the horizontal temperature of a reheating coke oven when coke oven gas is used, belonging to the technical field of temperature adjusting devices. The device for adjusting the temperature of the transverse row of the complex-heat type coke oven when using the coke oven gas comprises a first adjusting rod inserted into a bottom plug or a side plug in a four-way loose joint in the complex-heat type coke oven. The device for adjusting the temperature of the transverse row of the reheating coke oven provided by the utility model has the advantages that the four-way slipknot for plugging the coke oven gas pipeline is intentionally plugged by using the adjusting rod, the gas flow on the coke side of the coke oven machine is changed, the coke oven gas is more reasonably distributed according to the temperature requirement on the coke side of the coke oven machine, the temperature coefficient of the transverse row of the coke oven is improved, and the uniform maturity of coke is ensured.
Description
Technical Field
The utility model relates to a temperature adjusting device, in particular to a device for adjusting the horizontal temperature of a compound heat type coke oven when coke oven gas is used.
Background
The steel-covered strand coal coking division company has 6 JN60-6 model coke ovens with 6X 50 holes and 4 JNX3-70-2 model coke ovens with 7X 60 holes, and produces 580.8 million tons of coke annually. The reheating coke oven can be heated by using blast furnace gas, coke oven gas and mixed gas, generally speaking, the blast furnace gas and the mixed gas are in a side-in type, the coke oven gas is in a down-spraying type, the reheating coke oven is provided with an air heat storage chamber and a gas heat storage chamber, and when the coke oven gas is combusted, the gas flow path is as follows: a main gas pipe, a gas preheater, an adjusting turning plate, a gas branch pipe, an addition and subtraction cock, an exchange cock, a lower spray pipe, a combustion chamber (an ascending gas flow vertical flue) and air are combusted; the air circulation path is as follows: air-air door-exhaust tray-small flue-air regenerator-chute-combustion chamber- (updraft vertical flue) -and combusts with gas.
Further amplifying a gas path from the gas preheater to a brick gas channel of the combustion chamber, wherein the gas flow path is that purified coke oven gas is conveyed from a pipe network to an inlet of a basement of the coke oven and enters the brick gas channel through a vertical pipe, an add-subtract cock, a pore plate, an exchange cock, a horizontal pipe, a pore plate and a lower spray pipe.
At present, the gas flow can be changed only by adjusting an add-drop cock or changing a gas small pore plate to change a flow path so as to adjust the gas flow. But the adjustment of the add-subtract cock changes the flow of the whole row of coal gas, and the aim of adjusting a single vertical flue cannot be achieved; the workload of replacing the gas orifice plate is large, the time for replacing the gas orifice plate is long, if the size of the orifice plate is not well selected, the temperature regulation period is prolonged, and the high-temperature hidden trouble is brought to the actual production.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model aims to solve the technical problems of large workload, long adjustment period and slow effect of adjusting the temperature of the transverse row of the coke oven in the prior art, and therefore, the utility model provides a device for adjusting the temperature of the transverse row of the complex-heat type coke oven when using coke oven gas.
In order to achieve the purpose, the utility model provides the following technical scheme:
the device for adjusting the transverse temperature of the compound heat type coke oven when using coke oven gas comprises a first adjusting rod inserted into a bottom plug or a side plug in a four-way loose joint in the compound heat type coke oven.
Preferably, the device also comprises a second adjusting rod inserted into a gas orifice plate in the reheating coke oven.
Preferably, the first adjusting rod is made of iron wires or steel wires.
Preferably, the second adjusting rod is made of iron wires or steel wires.
Compared with the prior art, the utility model has the following beneficial effects:
1. the device for adjusting the temperature of the transverse row of the reheating coke oven provided by the utility model has the advantages that the four-way slipknot for plugging the coke oven gas pipeline is intentionally plugged by using the adjusting rod, the gas flow on the coke side of the coke oven machine is changed, the coke oven gas is more reasonably distributed according to the temperature requirement on the coke side of the coke oven machine, the temperature coefficient of the transverse row of the coke oven is improved, and the uniform maturity of coke is ensured.
2. According to the device for adjusting the transverse temperature of the reheating coke oven, provided by the utility model, when the high temperature still exists after the transverse temperature is measured again, a large number of adjusting rods are inserted into the corresponding number of gas small pore plates, which is equivalent to the reduction of the size of the gas small pore plates and the reduction of the gas flow.
3. The device for adjusting the transverse temperature of the reheating coke oven provided by the utility model is convenient and quick to operate when coke oven gas is used. Under the condition that coke oven gas is used for combustion, the gas flow of the whole row of vertical fire channels can be changed by adjusting the temperature of the transverse row by using an addition and subtraction adjusting cock, the effect of adjusting a single high-low temperature number cannot be achieved, the workload of adjusting the gas changing small pore plate is large, about 5 minutes is generally needed for changing one small pore plate, only ten seconds are needed for opening the side plug of the four-way and plugging an iron wire with proper length by using the utility model, the labor intensity of workers is reduced, the adjusting effect is obvious, and the continuity and the stability of production and operation are effectively met.
4. The device for adjusting the transverse temperature of the reheating coke oven provided by the utility model has a simple structure when coke oven gas is used, and can ensure the tightness of a four-way joint and a slipknot. The four-way joint and the slip joint generally use iron castings, when a small pore plate is replaced, an asbestos sealing ring at the slip joint is prone to being damaged, joints at two ends of the slip joint are prone to deforming at times, when excessive force is applied, the slip joint is prone to being broken, an outer ring is prone to being damaged, and therefore tightness after installation is affected.
5. The device for adjusting the transverse row temperature of the reheating coke oven using coke oven gas provides a powerful basis for the reformulation of the arrangement size of the gas small pore plates when coke oven gas heating equipment is overhauled.
Drawings
FIG. 1 is a schematic view of the direction of coke oven gas in the basement of a recuperative coke oven in the prior art;
FIG. 2 is a schematic structural diagram of a use state of the present invention;
in the figure, 1, a main pipe, 2, a vertical pipe, 3, an add-subtract cock, 4, a pore plate box, 5, a pore plate, 6, an exchange cock, 7, a three-way T-shaped pipe, 8, a transverse pipe, 9, a small transverse pipe, 10, a slip joint, 11, a gas small pore plate, 12, a four-way slip joint, 13, a lower spray pipe, 14, a flange, 15 and a first adjusting rod are arranged.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, which shows a schematic diagram of the direction of coke oven gas in a reheating coke oven basement in the prior art, in the diagram, the gas in a main pipe 1 sequentially passes through a vertical pipe 2, an add-drop cock 3, an orifice plate box 4, an orifice plate 5 and an exchange cock 6 and then enters a three-way T-shaped pipe 7, one path of the gas sequentially passes through a transverse pipe 8 and enters a flange 14, and the other path of the gas sequentially passes through a transverse pipe 8 and enters a small transverse pipe 9, a slip joint 10, a small gas orifice plate 11, a four-way slip joint 12 and a lower spray pipe 13.
The technical scheme of the utility model is to improve the schematic diagram of the coke oven gas trend of the basement of the compound heat type coke oven, the utility model utilizes a manual method, uses an adjusting rod to intentionally plug a four-way slipknot 12 of a gas pipeline, increases the gas flow resistance, changes the gas flow at the coke oven machine coke side, and conveniently and quickly adjusts the gas flow at the coke oven machine coke side under the condition of not changing the pressure of a main pipe of the coke oven gas and other heating systems, so that the gas distribution is reasonable and the transverse discharge temperature is uniform.
As shown in figure 2, the utility model provides a device for adjusting the temperature of a transverse row of a complex-heat type coke oven when coke oven gas is used, which comprises an adjusting rod I15 inserted into a bottom plug or a side plug in a four-way movable joint 12 in the complex-heat type coke oven.
In the structure of the utility model, the bottom plug or the side plug of the adjusting rod I15 inserted into the four-way slipknot 12 is utilized, and the specific sizes of the adjusting rod such as length, thickness and the like are determined according to the size of the four-way slipknot 12 of the coke oven gas pipeline, so that the length of the adjusting rod is proper and the thickness of the adjusting rod is different.
In the utility model, a second adjusting rod (not shown in the figure) inserted into the gas orifice plate in the reheating coke oven is also included.
The above situation is an improvement over the situation where high temperatures are still present after the cross-row temperature is retested.
In the utility model, the first adjusting rod is made of iron wires or steel wires.
In the utility model, the second adjusting rod is made of iron wires or steel wires.
The utility model also provides the working principle of the device for adjusting the transverse row temperature of the reheating coke oven when using the coke oven gas, which comprises the following specific steps:
(1) the special first adjusting rod 15 and the special second adjusting rod for the horizontal temperature of the coke oven are manufactured, the first adjusting rod 15 and the second adjusting rod can be made of iron wires or steel wires, and specific sizes such as the length, the thickness and the like of the adjusting rods are determined according to the size of the four-way slipknot 11 of the coke oven gas pipeline, so that the length of the adjusting rods is proper, and the thicknesses of the adjusting rods are different.
(2) And screening high and low temperature numbers of the whole furnace horizontal row temperature according to the horizontal row temperature measurement result.
(3) Under the condition that the pressure and the flow of the coal gas, the suction force of a flue and an air damper cover plate are not changed, the bottom plug or the side plug of the four-way slipknot 12 of the high-temperature coal gas pipeline is opened, and the first adjusting rod 15 with proper length and thickness is plugged according to the temperature condition, so that the resistance of the coal gas entering the vertical flue is increased, and the coal gas can more easily enter the vertical flue from other low-temperature vertical flues.
(4) If the high temperature condition still exists after the temperature of the transverse row is measured again, a large number of second adjusting rods are inserted into the corresponding number of the coal gas small pore plates 11, which is equivalent to reducing the size of the small pore plates and reducing the coal gas flow.
(5) Meanwhile, the bottom plug, the side plug and the lower spray pipe of the low-temperature four-way slipknot 12 are cleaned by thin iron wires, a gas pipeline is dredged, the gas is distributed reasonably, and the problem of uneven temperature difference on the machine coke side is solved.
(6) And after each adjustment, the temperature is measured again until the temperature of the transverse rows is uniform, and the transverse row coefficient meets the requirement.
The above are merely preferred embodiments of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (3)
1. The device for adjusting the horizontal temperature of the compound heat type coke oven when using coke oven gas is characterized by comprising a first adjusting rod inserted into a bottom plug or a side plug in a four-way slipknot in the compound heat type coke oven;
and the second regulating rod is inserted into the gas orifice plate in the reheating coke oven.
2. The device for adjusting the temperature of the transverse row of the coke oven gas in the coke oven according to claim 1, wherein the first adjusting rod is made of iron wires or steel wires.
3. The device for adjusting the temperature of the transverse row of the coke oven gas in the coke oven according to claim 1, wherein the second adjusting rod is made of iron wires or steel wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121554293.XU CN216106766U (en) | 2021-07-09 | 2021-07-09 | Device for adjusting transverse temperature of compound heat type coke oven when using coke oven gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121554293.XU CN216106766U (en) | 2021-07-09 | 2021-07-09 | Device for adjusting transverse temperature of compound heat type coke oven when using coke oven gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216106766U true CN216106766U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121554293.XU Active CN216106766U (en) | 2021-07-09 | 2021-07-09 | Device for adjusting transverse temperature of compound heat type coke oven when using coke oven gas |
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| Country | Link |
|---|---|
| CN (1) | CN216106766U (en) |
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2021
- 2021-07-09 CN CN202121554293.XU patent/CN216106766U/en active Active
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