CN212316015U - Small furnace cover for automatic temperature control of coke oven - Google Patents
Small furnace cover for automatic temperature control of coke oven Download PDFInfo
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- CN212316015U CN212316015U CN202020975520.5U CN202020975520U CN212316015U CN 212316015 U CN212316015 U CN 212316015U CN 202020975520 U CN202020975520 U CN 202020975520U CN 212316015 U CN212316015 U CN 212316015U
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- tensioning
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- tensioning ring
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Abstract
The utility model discloses a small furnace cover for automatic temperature control of a coke furnace, which comprises an upper cover, a tensioning component, a lower cover and a fire watching pipe vertically connected with the lower cover, wherein the upper cover, the tensioning component and the lower cover are sequentially arranged from top to bottom; the tensioning assembly comprises a first tensioning ring piece, a second tensioning ring piece, a pin shaft and a tensioning bolt, wherein the first end of the first tensioning ring is connected with one end of the second tensioning ring piece through the pin shaft, the other end of the first tensioning ring is a free end, and the tensioning bolt is screwed into the threaded hole and then extends into the space between the free ends; the upper cover, the tensioning assembly and the lower cover are all provided with judgment holes communicated with the fire watching pipe. The utility model provides a current coke oven bell can not effectively completely cut off conduction heat, leads to the unable accurate measurement of temperature measurement equipment because of can't stably focusing to and because of structural reason bell skew is serious in the use, sealed not harm to the online temperature measurement equipment of focus stove such as tight, lead to the online temperature measurement equipment of coke oven because of high temperature, focus inaccurate unable long-term stable work scheduling problem.
Description
Technical Field
The utility model belongs to the technical field of coke oven coking vertical flue small furnace covers, in particular to a small furnace cover for coke oven automatic temperature control.
Background
The coke oven coal charging hole cover, the smoke guide hole cover and the fire observation hole cover have the functions of opening and closing the contact between the coke oven carbonization chamber or the combustion chamber and the outside, and can charge coal from the furnace top carbonization chamber or guide away smoke generated during coal charging and the like in production. During coking, a large amount of coke oven gas is required to be combusted in the coke carbonization process to maintain the temperature of the carbonization chamber, so that the coke is smoothly carbonized, the temperature of the carbonization chamber reaches 1000 ℃, the temperature of the combustion chamber reaches 1300 ℃, and under the high temperature difference, a large amount of heat loss is generated through the iron furnace cover.
There is also a heat-insulating furnace lid in which a heat-resistant material is filled inside a cast iron furnace lid. However, the furnace cover of this type has good heat conductivity due to the cast iron, so that heat in the furnace can be conducted upwards through the lower edge of the furnace cover, and the temperature of the upper surface of the furnace cover is still above 250 ℃, that is, only partial heat loss is reduced, and heat loss caused by large heat conduction and heat radiation cannot be avoided, and the heat loss of the carbonization chamber and the combustion chamber cannot be effectively prevented. In addition, the furnace cover and the coke oven cannot be completely fixed and sealed, equipment is instable to install, the temperature is separated out from the edges of the coke oven and the furnace cover due to a gap between the furnace cover and the coke oven, so that the temperature of the furnace cover is still about 200 ℃, a large amount of heat energy is dissipated through the furnace cover at the top of the coke oven, a large amount of heat energy is lost, the use amount of recycled coal gas is increased, the temperature of the top area of the coke oven is increased, the production operation environment is worsened, the labor intensity and the operation danger of operators are increased, and meanwhile, the service life of the furnace cover (about one year) is shortened due to the fact that the integral structure of the furnace cover easily.
The fire observation hole cover chamber is a door used for measuring the temperature of the combustion chamber and observing the working condition of the combustion chamber, and the existing fire observation hole is generally made of cast iron, has large heat conductivity coefficient and is easy to cause heat loss.
The existing coke oven cover can not effectively isolate heat transfer, the equipment can not be accurately measured due to the fact that the heat transfer cannot be stably focused, and the coke oven online temperature measuring equipment can not stably work for a long time due to high temperature and inaccurate focusing caused by the damage of the coke oven online temperature measuring equipment due to serious furnace cover deviation, poor sealing and the like caused by the structure in the using process.
In order to stably install the on-line temperature measuring equipment, ensure that the equipment continuously and stably aims at a temperature measuring point, realize energy conservation and consumption reduction, the existing furnace cover is required to be improved, the energy consumption is reduced, the surface temperature of the coke oven is reduced, the stability of the on-line temperature measuring equipment is ensured, and the gas inlet quantity can be monitored and adjusted in real time, so that the gas is saved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide an online temperature measurement system of cooperation coke oven, can reduce the energy consumption, reduce coke oven surface temperature, guarantee the stable small furnace lid of online temperature measurement equipment.
In order to solve the technical problem, the technical scheme of the utility model is that:
a small furnace cover for automatically controlling the temperature of a coke furnace comprises an upper cover, a tensioning assembly, a lower cover and a fire watching pipe which is vertically connected with the lower cover, wherein the upper cover, the tensioning assembly and the lower cover are sequentially arranged from top to bottom;
the tensioning assembly comprises a first tensioning ring piece, a second tensioning ring piece, a pin shaft and a tensioning bolt, the first end of the first tensioning ring and one end of the second tensioning ring piece are hinged through the pin shaft, the other end of the first tensioning ring and the other end of the second tensioning ring piece are free ends, a first threaded hole is formed in the upper cover in the axial direction, and the tensioning bolt is screwed into the first threaded hole and then extends into a position between the free ends of the first tensioning ring piece and the second tensioning ring piece;
the upper cover, the tensioning assembly and the lower cover are all provided with observation holes communicated with the observation tube.
Preferably, the tension device further comprises a spring, and two ends of the spring are respectively connected with the first tension ring piece and the second tension ring piece.
Preferably, the upper cover, the first tensioning ring member and the second tensioning ring member are filled with heat insulating materials.
Preferably, the diameter of the observation hole and the diameter of the observation tube are both 25 mm.
Preferably, a plurality of threaded holes are formed in the upper cover along the circumferential direction of the observation hole.
Preferably, the upper cover, the lower cover, the tensioning assembly and the fire watching pipe are made of cast iron or heat-resistant steel.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model is provided with the tensioning assembly, controls the sealing degree of the furnace cover and the coke oven by screwing the tensioning bolt, prevents gas overflow, only needs to loosen the tensioning bolt when needing to be dismantled, and withdraws the tensioning ring by the external spring, thus being simple and convenient;
(2) the structure of the utility model has high temperature resistance and good heat insulation effect, and can effectively reduce the heat conduction between the coke oven and the temperature measuring equipment;
(3) the utility model has the advantages of simple structure and reasonable design, the cost is lower, easily promotes.
Drawings
FIG. 1 is a schematic structural view of a small furnace cover for automatic temperature control of a coke oven according to the present invention;
FIG. 2 is a schematic diagram of a rear view structure of a small furnace cover for automatic temperature control of a coke oven according to the present invention;
FIG. 3 is a schematic view of the upper lid structure of a small oven lid for automatic temperature control of a coke oven according to the present invention;
description of reference numerals:
1-an upper cover, 1-1-a first threaded hole, 1-2-a second threaded hole;
2-tensioning assembly, 2-1-first tensioning ring piece, 2-2-second tensioning ring piece, 2-3-pin shaft and 2-4-tensioning bolt;
3-lower cover, 4-observation hole;
5-looking at the fire tube;
6-spring.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:
it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that can be achieved.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention may be considered as the scope of the present invention.
As shown in figures 1-3, a small oven cover for automatic temperature control of a coke oven comprises an upper cover 1, a tensioning assembly 2, a lower cover 3 and a fire watching pipe 5 vertically connected with the lower cover 3 which are sequentially arranged from top to bottom;
the tensioning assembly 2 comprises a first tensioning ring piece 2-1, a second tensioning ring piece 2-2, a pin shaft 2-3 and a tensioning bolt 2-4, the first end of the first tensioning ring 2-1 and one end of the second tensioning ring piece 2-2 are hinged through the pin shaft 2-3, the other end of the first tensioning ring 2-1 and the other end of the second tensioning ring piece 2-2 are free ends, a first threaded hole 1-1 is axially formed in the upper cover 1, and the tensioning bolt 2-4 is screwed into the first threaded hole 1-1 and then extends into a position between the free ends of the first tensioning ring piece 2-1 and the second tensioning ring piece 2-2;
the upper cover 1 is circumferentially provided with a plurality of second threaded holes 1-2 along the first threaded holes 1-1, and the second threaded holes 1-2 are used for connecting coke oven temperature measuring equipment.
The upper cover 1, the tensioning assembly 2 and the lower cover 3 are all provided with observation holes 4 communicated with the fire observation tubes 5, and the temperature of the coke oven is measured by the coke oven temperature measuring equipment through the observation holes 4 and the fire observation tubes 5.
The first tension ring piece 2-1 and the second tension ring piece 2-2 are separated by rotating the tension bolt 2-4 and are contacted with the wall of the coke oven, after the contact, a flame tube of the oven cover is adjusted to be aligned with a temperature measuring point, the tension bolt 2-4 is screwed, so that the first tension ring piece 2-1 and the second tension ring piece 2-2 are fixed on the coke oven, and the first tension ring piece 2-1 and the second tension ring piece 2-2 seal the gap between the coke oven and the oven cover to prevent gas overflow.
Specifically, the tension ring device further comprises a spring 6, and two ends of the spring 6 are respectively connected with the first tension ring member 2-1 and the second tension ring member 2-2. When the tension ring is required to be detached, only the tension bolts 2-4 need to be loosened, and the spring 6 retracts the first tension ring piece 2-1 and the second tension ring piece 2-2, so that the dismounting method is simple and convenient.
Specifically, the upper cover 1, the first tensioning ring member 2-1 and the second tensioning ring member 2-2 are filled with a heat insulating material. Thermal insulation materials are filled, so that the thermal conductivity of the furnace cover can be effectively reduced, and stable operation of online equipment installed on the small furnace cover is guaranteed.
Specifically, the diameters of the observation hole 4 and the observation pipe 5 are both 25mm, and the observation hole can be matched with the size of the temperature measurement equipment of the coke oven.
Specifically, the upper cover 1, the lower cover 3, the tensioning assembly 2 and the observation tube 5 are made of cast iron or heat-resistant steel, which can enhance the heat resistance of the whole small furnace cover.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (6)
1. A small furnace cover for automatically controlling the temperature of a coke oven is characterized in that: comprises an upper cover, a tensioning component, a lower cover and a fire watching pipe which is vertically connected with the lower cover, wherein the upper cover, the tensioning component and the lower cover are sequentially arranged from top to bottom;
the tensioning assembly comprises a first tensioning ring piece, a second tensioning ring piece, a pin shaft and a tensioning bolt, the first end of the first tensioning ring and one end of the second tensioning ring piece are hinged through the pin shaft, the other end of the first tensioning ring and the other end of the second tensioning ring piece are free ends, a first threaded hole is formed in the upper cover in the axial direction, and the tensioning bolt is screwed into the first threaded hole and then extends into a position between the free ends of the first tensioning ring piece and the second tensioning ring piece;
the upper cover, the tensioning assembly and the lower cover are all provided with observation holes communicated with the observation tube.
2. The small furnace cover for the automatic temperature control of the coke oven according to claim 1, which is characterized in that: the spring is further arranged, and two ends of the spring are respectively connected with the first tensioning ring piece and the second tensioning ring piece.
3. The small furnace cover for the automatic temperature control of the coke oven according to claim 2, characterized in that: and heat insulation materials are filled in the upper cover, the first tensioning ring piece and the second tensioning ring piece.
4. The small furnace cover for the automatic temperature control of the coke oven according to claim 3, characterized in that: the diameter of the fire observation hole and the diameter of the fire observation tube are both 25 mm.
5. The small oven cover for the automatic temperature control of coke ovens according to any of the claims from 1 to 4, characterized in that: and a plurality of second threaded holes are formed in the upper cover along the circumferential direction of the observation hole.
6. The small oven cover for the automatic temperature control of coke ovens according to any of the claims from 1 to 4, characterized in that: the upper cover, the lower cover, the tensioning assembly and the fire watching pipe are made of cast iron or heat-resistant steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020975520.5U CN212316015U (en) | 2020-06-02 | 2020-06-02 | Small furnace cover for automatic temperature control of coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020975520.5U CN212316015U (en) | 2020-06-02 | 2020-06-02 | Small furnace cover for automatic temperature control of coke oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212316015U true CN212316015U (en) | 2021-01-08 |
Family
ID=74026439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020975520.5U Active CN212316015U (en) | 2020-06-02 | 2020-06-02 | Small furnace cover for automatic temperature control of coke oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212316015U (en) |
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2020
- 2020-06-02 CN CN202020975520.5U patent/CN212316015U/en active Active
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