CN221051792U - Automatic fire adjusting device of vertical carbonization furnace - Google Patents
Automatic fire adjusting device of vertical carbonization furnace Download PDFInfo
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- CN221051792U CN221051792U CN202322975438.9U CN202322975438U CN221051792U CN 221051792 U CN221051792 U CN 221051792U CN 202322975438 U CN202322975438 U CN 202322975438U CN 221051792 U CN221051792 U CN 221051792U
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- 238000003763 carbonization Methods 0.000 title claims abstract description 122
- 230000001105 regulatory effect Effects 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000011002 quantification Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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Abstract
The utility model provides an automatic fire adjusting device of an upright carbonization furnace, which comprises a control system, a carbonization furnace, a furnace inlet air branch pipe, a burner air branch pipe, a furnace return gas branch pipe, a burner gas branch pipe, a gas incoming pipeline and an air incoming pipeline, wherein a carbonization furnace body thermometer is arranged on the carbonization furnace; according to the utility model, the air branch pipe flow meter and the return gas branch pipe flow meter are respectively interlocked with the carbonization furnace body thermometer, and the opening sizes of the burner air branch pipe regulating valve and the burner gas branch pipe regulating valve are regulated according to the height of the carbonization furnace body thermometer so as to realize automatic regulation of the temperature in the carbonization furnace. The utility model improves the automation control level, realizes on-line automatic adjustment of the return gas and the air flow of the charging air of the carbonization furnace, thereby automatically controlling the temperature of the carbonization chamber of the internal heating type vertical carbonization furnace and realizing the quantification of the temperature regulation of the carbonization furnace.
Description
Technical Field
The utility model belongs to the field of comprehensive utilization of coal processing, and particularly relates to an automatic fire adjusting device of an upright carbonization furnace.
Background
Semicoke, also called semi-coke, is a solid carbonaceous product with low sulfur, low ash and high heat value obtained by dry distillation of low-rank coals such as peat, lignite and high-volatile bituminous coal under medium and low temperature conditions. Semicoke is widely used in the fields of chemical industry, metallurgy, electric power, heat supply, civil molded coal, sewage treatment, electrode material preparation and the like. In the production process of semicoke, the internal heating type vertical carbonization furnace is adjusted by relying on the hands of a fireman to adjust the fire through experience, and the internal heating type vertical carbonization furnace belongs to fuzzy adjustment, is fully based on experience, and has high labor intensity and low efficiency.
When the temperature of the furnace body is increased, operators can only turn down the valve of the main return gas pipe before turning down, so that the gas entering the carbonization furnace is reduced, and meanwhile, the operators also turn down the valve of the loop gas pipeline in equal proportion. Therefore, the valve is closed in a certain size, and the valve is easy to move towards the other direction, namely the temperature in the carbonization furnace is reduced due to excessive opening, so that the quality of the semi-coke is influenced. The total valve can reduce the total gas amount and the total air amount entering the furnace body, because the carbonization furnace is composed of a plurality of furnace chambers, the rough adjustment can lead one furnace chamber to be normal while other normal furnace chambers are abnormal. The branch pipes of the existing equipment are all manual plug valves, and are required to be manually adjusted, so that the manpower is increased, and the adjusting effect is poor.
Disclosure of utility model
In order to overcome the problems that the branch pipes of the existing equipment are manual plug valves and are required to be manually adjusted, so that the manpower is increased and the adjusting effect is poor, the utility model provides the automatic fire adjusting device for the vertical carbonization furnace.
The utility model adopts the technical scheme that:
An automatic fire adjusting device of an upright carbonization furnace comprises a control system, a carbonization furnace, a furnace inlet air branch pipe, a burner air branch pipe, a furnace return gas branch pipe, a burner gas branch pipe, a gas incoming gas pipeline and an air incoming gas pipeline, wherein one end of the furnace return gas branch pipe is connected with the gas incoming gas pipeline, the other end of the furnace return gas branch pipe is connected with the burner gas branch pipe, and the burner gas branch pipe is connected with the carbonization furnace through a burner injector; one end of the furnace inlet air branch pipe is connected with an air incoming pipeline, and the other end of the furnace inlet air branch pipe is connected with the carbonization furnace through the burner air branch pipe and the corresponding burner ejector;
A carbonization furnace body thermometer is arranged on the carbonization furnace; the carbonization furnace body thermometer is connected with the control system through an electric signal;
the gas branch pipe of the back furnace is provided with a gas branch pipe flowmeter of the back furnace, the gas branch pipe of the burner is provided with a gas branch pipe regulating valve of the burner, and the gas branch pipe regulating valve of the burner and the gas branch pipe flowmeter of the back furnace are both connected with the control system through electric signals; the return gas branch pipe flowmeter is interlocked with a corresponding carbonization furnace body thermometer on the carbonization furnace;
the furnace inlet air branch pipe is provided with a furnace inlet air branch pipe flowmeter, the burner air branch pipe is provided with a burner air branch pipe regulating valve, and the furnace inlet air branch pipe flowmeter and the burner air branch pipe regulating valve are electrically connected with a control system; the flow meter of the air branch pipe for feeding into the furnace is interlocked with the corresponding thermometer of the furnace body of the carbonization furnace.
The plurality of the furnace return gas branch pipes are connected with the corresponding burner gas branch pipes, the plurality of burner gas branch pipes are connected with the corresponding burner ejectors on one side of the carbonization furnace, and the burner ejectors are connected with the bottom of the side end of the carbonization furnace.
The four furnace inlet air branch pipes are respectively connected with the four corresponding burner air branch pipes, two burner air branch pipes respectively positioned at two sides of the carbonization furnace are connected with the burner injectors, and the remaining two burner air branch pipes are respectively connected with the middle parts of two sides of the carbonization furnace.
The temperature of the carbonization furnace body is K-type thermocouple.
The air branch pipe flowmeter and the return gas branch pipe flowmeter are balanced type flowmeters.
The burner air branch pipe regulating valve and the burner gas branch pipe regulating valve are electric regulating valves.
The volume ratio of the air to the gas entering the carbonization furnace is 1:1.6.
The utility model has the beneficial effects that:
According to the utility model, the air branch pipe flow meter and the return gas branch pipe flow meter are respectively interlocked with the carbonization furnace body thermometer, and the opening sizes of the burner air branch pipe regulating valve and the burner gas branch pipe regulating valve are regulated according to the height of the carbonization furnace body thermometer so as to realize automatic regulation of the temperature in the carbonization furnace.
The utility model improves the automatic control level of the carbonization furnace, realizes on-line automatic adjustment of the furnace returning gas and the furnace feeding air flow of the carbonization furnace, thereby automatically controlling the temperature of the carbonization chamber of the internal heating type vertical carbonization furnace and realizing the quantification of the temperature regulation of the carbonization furnace.
Drawings
The present utility model will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a control flow chart of the present utility model.
In the drawings, reference numerals are:
1. A burner air manifold regulator valve; 2. a burner gas manifold regulator valve; 3. a furnace air branch pipe flowmeter; 4. a return gas branch flow meter; 5. a carbonization furnace body thermometer; 6. an interlocking relationship; 7, a carbonization furnace; 8. a furnace inlet air branch pipe; 9. a burner air manifold; 10. a return gas branch pipe; 11. a burner gas manifold; 12. a combustion injector; 13. gas inlet line 14, air inlet line.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Various structural schematic diagrams according to the disclosed embodiments of the present utility model are shown in the accompanying drawings. The figures are not drawn to scale, wherein certain details are exaggerated for clarity of presentation and may have been omitted. The shapes of the various regions, layers and their relative sizes, positional relationships shown in the drawings are merely exemplary, may in practice deviate due to manufacturing tolerances or technical limitations, and one skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions as actually required.
Example 1:
In order to overcome the problems that the branch pipes of the existing equipment are manual plug valves and are required to be manually adjusted, so that the manpower is increased and the adjusting effect is poor, the utility model provides the automatic fire adjusting device for the vertical carbonization furnace.
As shown in fig. 1, an automatic fire adjusting device of an upright carbonization furnace comprises a control system, a carbonization furnace 7, a furnace inlet air branch pipe 8, a burner air branch pipe 9, a furnace return gas branch pipe 10, a burner gas branch pipe 11, a gas incoming gas pipeline 13 and an air incoming gas pipeline 14, wherein one end of the furnace return gas branch pipe 10 is connected with the gas incoming gas pipeline 13, the other end is connected with the burner gas branch pipe 11, and the burner gas branch pipe 11 is connected with the carbonization furnace 7 through a burner ejector 12; one end of the furnace inlet air branch pipe 8 is connected with an air incoming pipeline 14, and the other end is connected with the carbonization furnace 7 through the burner air branch pipe 9 and a corresponding burner ejector 12;
The carbonization furnace 7 is provided with a carbonization furnace body thermometer 5; the carbonization furnace body thermometer 5 is connected with a control system through an electric signal;
The return gas branch pipe 10 is provided with a return gas branch pipe flowmeter 4, the burner gas branch pipe 11 is provided with a burner gas branch pipe regulating valve 2, and the burner gas branch pipe regulating valve 2 and the return gas branch pipe flowmeter 4 are both in electric signal connection with a control system; the return gas branch pipe flowmeter 4 is interlocked with a corresponding carbonization furnace body thermometer 5 on the carbonization furnace 7;
The furnace inlet air branch pipe 8 is provided with a furnace inlet air branch pipe flowmeter 3, the burner air branch pipe 9 is provided with a burner air branch pipe regulating valve 1, and the furnace inlet air branch pipe flowmeter 3 and the burner air branch pipe regulating valve 1 are electrically connected with a control system; the furnace inlet air branch pipe flowmeter 3 is interlocked with the corresponding carbonization furnace body thermometer 5 on the carbonization furnace 7.
The utility model is suitable for various furnace types of internal heat type vertical carbonization furnaces (carbonization furnaces), including 12 holes, 16 holes, 20 holes and the like of a coke discharging box, and is not limited to the existing furnace types.
In the utility model, the burner air branch regulating valve 1 and the burner gas branch regulating valve 2 are required to be selected to have smaller actuator volume due to limited installation space of the burner.
In the present utility model, as shown in fig. 1, the letter meanings in the drawings are as follows: TAS represents T (temperature), a (alarm), S (interlock). FIS denotes F (flow), I (display), S (interlock). The h.hh means that the meter at this location contains H (higher level alarm) HH (higher level alarm). Two ends of the connection are required to represent the relationship between the two meters. For example, a valve and temperature sensor interlock is an indication that the opening of the valve causes a change in temperature.
In the present utility model, the control system is prior art, and further description of the present utility model will not be provided. The control system is also called a distributed control system, and is called DCS for short. The utility model controls the corresponding flowmeter and the regulating valve through the control system to carry out the ratio of the air and the gas entering into the carbonization furnace 7, thereby regulating and stabilizing the temperature in the carbonization furnace 7. The automatic control level of the carbonization furnace 7 is improved, and the on-line automatic adjustment of the furnace returning gas and the furnace feeding air flow of the carbonization furnace 7 is realized, so that the temperature of the carbonization chamber of the internal heating type vertical carbonization furnace 7 is automatically controlled, and the temperature of the carbonization furnace 7 is regulated and controlled to achieve the purpose of quantification.
The carbonization furnace 7 is an internal heating type vertical carbonization furnace. The internal heating type vertical carbonization furnace is an existing mature product, and further description is omitted in the utility model. In the utility model, the gas inlet pipeline 13 is the gas purified by the gas evolution working section, and the air inlet pipeline 14 is the air input by an air blower.
According to the utility model, the temperature characteristics of the carbonization furnace 7 body are compared with the flow meter, and when the gas flow and the air flow are increased or reduced, the increase and the reduction of the carbonization furnace 7 body temperature are indirectly influenced. The calculation model of the control system can act the regulating valve to regulate the flow to a required size, and the temperature in the carbonization furnace 7 is stabilized.
The temperature of the combustion layer and the temperature of the preheating layer of the carbonization furnace 7 are interlocked with the corresponding regulating valves; the interlocking of the temperature of the carbonization furnace 7 and the corresponding regulating valve needs to be continuously adjusted by combining a model and an algorithm. When the temperature of the carbonization furnace 7 is higher than a set value, the burner gas branch pipe valve 2 is regulated down, and the burner air branch pipe valve 1 is regulated down. When the temperature of the carbonization furnace 7 is lower than the set value, the burner gas branch pipe valve 2 is regulated and the burner air branch pipe valve 1 is regulated. The adjustment method adopts proportional, integral and differential adjustment. The parameters of proportional, integral and differential regulation are required to be continuously regulated according to the characteristics of raw materials and the characteristics of the process, and finally stable PID regulation parameter values are determined.
As shown in fig. 1, the temperature adjustment method in the present utility model is as follows:
The carbonization furnace 7 consists of 4 cavities, and the combustion section of each cavity comprises 4 thermocouple temperature measuring elements (four carbonization furnace body thermometers 5). The constant temperature of the carbonization furnace 7 needs to be regulated by the input amounts of gas and air.
When the temperature of the carbonization furnace 7 is higher than the normal value, the input gas and air quantity need to be turned down, and firstly the air quantity of the air branch pipe 8 for entering the furnace is turned down. The air flow of the inlet air branch pipe 8 is displayed in the inlet air branch pipe flowmeter 3, and then the valve of the air flow adjusting gas branch pipe is used for adjusting the burner air branch pipe adjusting valve 1 on the burner air branch pipe 9, so that the ratio of the air flow and the gas flow entering the carbonization furnace 7 is maintained at 1: ratio of 1.6.
In the present utility model, this ratio of air flow to gas flow is theoretically a constant value of 1:1.6, but in practice there is a variation in the actual production, since differences in the quality of the coal and even in the composition of the gas and climate will result in a fine tuning of this ratio to produce a better quality product.
If the temperature difference of four temperature measuring points in one cavity is relatively large, the temperature of one point needs to be adjusted. The adjusting scheme is to properly enlarge the flow of the incoming air pipe below the temperature point. After the corresponding furnace air branch pipe flowmeter 3 shows change, the burner air branch pipe regulating valve 1 on the burner air branch pipe 9 is regulated, and the flow ratio of air to coal gas is 1: ratio of 1.6.
The flow adjustment mode in the utility model is as follows:
The valve of each branch pipe is manually adjusted to enable the temperature of the combustion layer of the carbonization furnace 7 to enter a normal interval. The ratio of air flow to gas flow is fixed at 1:1.6.
The gas and air flow under normal state are recorded as the adjustment reference. When the gas pipeline fluctuates due to external reasons, the valve of the branch pipe and the value set by the air flow are adjusted in an interlocking way. The air flow is stabilized at a set value, and then the burner gas branch pipe regulating valve 2 is regulated according to the target value of the gas until the set value of the gas flow is reached. Finally, the flow ratio of air to gas is 1:1.6.
In the utility model, when the temperature of the preheating layer and the combustion layer of the carbonization furnace 7 are reduced or increased, the branch pipe regulating valves corresponding to the return air and the return gas are regulated, so that the temperature of the preheating layer is maintained at a balanced temperature value. The ratio of the return air to the return gas is not changed. According to the utility model, by automatically adjusting the fire, the fire adjusting process is completed in the system, and the action of a valve is not required to be carried out on site by personnel, so that the reliability and the safety of the fire adjusting are greatly improved.
Example 2:
Based on example 1. In the present utility model, preferably, the number of the return gas branch pipes 10 is plural, each return gas branch pipe 10 is connected to a corresponding burner gas branch pipe 11, the plural burner gas branch pipes 11 are connected to a burner injector 12 corresponding to one side of the carbonization furnace 7, and the burner injector 12 is connected to the bottom of the side end of the carbonization furnace 7.
Preferably, the four furnace inlet air branch pipes 8 are four, the four furnace inlet air branch pipes 8 are respectively connected with the four corresponding burner air branch pipes 9, two burner air branch pipes 9 which are respectively positioned at two sides of the carbonization furnace 7 are connected with the burner ejector 12, and the remaining two burner air branch pipes 9 are respectively connected with the middle parts of two sides of the carbonization furnace 7.
Preferably, the carbonization furnace body thermometer 5 is a K-type thermocouple.
Preferably, the air branch pipe flowmeter 3 and the return gas branch pipe flowmeter 4 are balance type flowmeters.
Preferably, the burner air branch regulating valve 1 and the burner gas branch regulating valve 2 are electric regulating valves.
Preferably, the volume ratio of the air and the gas entering the carbonization furnace 7 is 1:1.6.
In the utility model, the interlocking relation 6 adopts a DCS controller to carry out system control, the temperature of the furnace body of the carbonization furnace 7 and the burner gas branch pipe valve 2 are adjusted and interlocked, when the temperature of the carbonization furnace 7 is higher than a set value, the burner gas branch pipe valve 2 is reduced, and meanwhile, the burner air branch pipe valve 1 is reduced. When the temperature of the carbonization furnace 7 is lower than the set value, the burner gas branch pipe valve 2 is regulated and the burner air branch pipe valve 1 is regulated. So that the flow ratio of air to gas reaches 1:1.6.
In the utility model, when the temperature of the preheating layer and the combustion layer of the carbonization furnace 7 are reduced or increased, the branch pipe regulating valves corresponding to the return air and the return gas are regulated, so that the temperature of the preheating layer is maintained at a balanced temperature value. The ratio of the return air to the return gas is not changed. The existing manual fire adjustment has two hazards, the opening size of the first manual fire adjustment valve is not quantified, and the manual fire adjustment of the personnel is around the carbonization furnace, so that the danger is high. According to the utility model, the automatic fire adjustment is performed in the system, so that the person is not required to go to the site to perform the action of the valve. Greatly improves the reliability and safety of fire adjustment.
According to the utility model, electric regulating valves are arranged on an air branch pipe and a gas branch pipe of a combustor of the carbonization furnace 7, flow meters are arranged on an air branch pipe and a return gas branch pipe of the carbonization furnace, software and hardware facilities of control systems such as DCS analog quantity, switching value and CPU are arranged, and the arranged flow meters, regulating valves and a thermometer of a furnace body of the carbonization furnace 7 form interlocking to realize automatic fire adjustment control of the carbonization furnace.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The foregoing examples are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model. The device structure and method steps not described in detail in the present utility model are all prior art, and will not be further described in the present utility model.
Claims (7)
1. An automatic fire adjusting device of an upright carbonization furnace is characterized in that: the device comprises a control system, a carbonization furnace (7), a furnace inlet air branch pipe (8), a burner air branch pipe (9), a furnace return gas branch pipe (10), a burner gas branch pipe (11), a gas incoming gas pipeline (13) and an air incoming gas pipeline (14), wherein one end of the furnace return gas branch pipe (10) is connected with the gas incoming gas pipeline (13), the other end is connected with the burner gas branch pipe (11), and the burner gas branch pipe (11) is connected with the carbonization furnace (7) through a burner ejector (12); one end of the furnace inlet air branch pipe (8) is connected with an air incoming pipeline (14), and the other end is connected with the carbonization furnace (7) through the burner air branch pipe (9) and the corresponding burner ejector (12);
A carbonization furnace body thermometer (5) is arranged on the carbonization furnace (7); the carbonization furnace body thermometer (5) is connected with the control system through an electric signal;
The device is characterized in that a return gas branch pipe (10) is provided with a return gas branch pipe flowmeter (4), a burner gas branch pipe regulating valve (2) is arranged on a burner gas branch pipe (11), and the burner gas branch pipe regulating valve (2) and the return gas branch pipe flowmeter (4) are electrically connected with a control system; the return gas branch pipe flowmeter (4) is interlocked with a corresponding carbonization furnace body thermometer (5) on the carbonization furnace (7);
The furnace inlet air branch pipe (8) is provided with a furnace inlet air branch pipe flowmeter (3), the burner air branch pipe (9) is provided with a burner air branch pipe regulating valve (1), and the furnace inlet air branch pipe flowmeter (3) and the burner air branch pipe regulating valve (1) are electrically connected with a control system; the furnace inlet air branch pipe flowmeter (3) is interlocked with a carbonization furnace body thermometer (5) corresponding to the carbonization furnace (7).
2. An automatic fire adjusting device for an upright carbonization furnace according to claim 1, wherein: the plurality of the furnace return gas branch pipes (10) are provided, each furnace return gas branch pipe (10) is connected with a corresponding burner gas branch pipe (11), the plurality of burner gas branch pipes (11) are connected with a burner injector (12) corresponding to one side of the carbonization furnace (7), and the burner injector (12) is connected with the bottom of the side end of the carbonization furnace (7).
3. An automatic fire adjusting device for an upright carbonization furnace according to claim 1, wherein: the four furnace inlet air branch pipes (8) are respectively connected with the four corresponding burner air branch pipes (9), two of the burner air branch pipes (9) which are respectively positioned at two sides of the carbonization furnace (7) are connected with the burner ejector (12), and the remaining two burner air branch pipes (9) are respectively connected with the middle parts of two sides of the carbonization furnace (7).
4. An automatic fire adjusting device for an upright carbonization furnace according to claim 1, wherein: the carbonization furnace body thermometer (5) is a K-type thermocouple.
5. An automatic fire adjusting device for an upright carbonization furnace according to claim 1, wherein: the air branch pipe flowmeter (3) for charging and the gas branch pipe flowmeter (4) for returning are balanced type flowmeters.
6. An automatic fire adjusting device for an upright carbonization furnace according to claim 1, wherein: the burner air branch pipe regulating valve (1) and the burner gas branch pipe regulating valve (2) are electric regulating valves.
7. An automatic fire adjusting device for an upright carbonization furnace according to claim 1, wherein: the volume ratio of the air and the gas entering the carbonization furnace (7) is 1:1.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322975438.9U CN221051792U (en) | 2023-11-03 | 2023-11-03 | Automatic fire adjusting device of vertical carbonization furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322975438.9U CN221051792U (en) | 2023-11-03 | 2023-11-03 | Automatic fire adjusting device of vertical carbonization furnace |
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| Publication Number | Publication Date |
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| CN221051792U true CN221051792U (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322975438.9U Active CN221051792U (en) | 2023-11-03 | 2023-11-03 | Automatic fire adjusting device of vertical carbonization furnace |
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| Country | Link |
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| CN (1) | CN221051792U (en) |
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2023
- 2023-11-03 CN CN202322975438.9U patent/CN221051792U/en active Active
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