CN112280569A - Waste gas coke oven feeding system and reversing device thereof - Google Patents
Waste gas coke oven feeding system and reversing device thereof Download PDFInfo
- Publication number
- CN112280569A CN112280569A CN202011293045.4A CN202011293045A CN112280569A CN 112280569 A CN112280569 A CN 112280569A CN 202011293045 A CN202011293045 A CN 202011293045A CN 112280569 A CN112280569 A CN 112280569A
- Authority
- CN
- China
- Prior art keywords
- pipe
- flue
- coke oven
- waste gas
- branch pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B21/00—Heating of coke ovens with combustible gases
- C10B21/10—Regulating and controlling the combustion
- C10B21/14—Devices for reversing the draught
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B21/00—Heating of coke ovens with combustible gases
- C10B21/10—Regulating and controlling the combustion
- C10B21/16—Regulating and controlling the combustion by controlling or varying the openings between the heating flues and the regenerator flues
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B21/00—Heating of coke ovens with combustible gases
- C10B21/10—Regulating and controlling the combustion
- C10B21/18—Recirculating the flue gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention discloses a waste gas coke oven feeding system and a reversing device thereof, wherein the reversing device of the waste gas coke oven feeding system comprises: an exhaust gas shutter provided with a connection pipe for connecting with the flue branch pipe; the adjusting component can adjust the air inflow of the connecting pipe; wherein, the reversing mechanism and the adjusting component of the waste gas shutter are linked to enable the connecting pipe and the waste gas shutter to be opened and closed synchronously. The reversing device of the waste gas coke oven inlet system realizes opening and closing of the connecting pipe through the mechanical structure, namely opening and closing of the flue branch pipe through the mechanical structure, reduces the probability of accidents, improves the safety performance, and reduces the influence on the normal operation of the coke oven caused by opening and closing of the flue branch pipe; the opening and closing of the flue branch pipe do not need compressed air, so that the use amount of the compressed air is reduced, and the influence on the whole waste gas entering the coke oven system due to insufficient purity or insufficient pressure of the compressed air is reduced; the reliability is also improved, the structure is simpler, and the cost is lower.
Description
Technical Field
The invention relates to the technical field of coke oven waste gas circulation, in particular to a waste gas coke oven inlet system and a reversing device thereof.
Background
Large quantities of atmospheric pollutants, such as SO, are produced during the heating of coke ovens in the coking industry2、NOxAnd smoke, and the like, so that the coke oven flue gas needs to be subjected to desulfurization, denitrification and dust removal. At present, the methodThe mainstream technology of denitration is pre-combustion control technology and post-combustion control technology, wherein the pre-combustion control technology is also called source treatment technology and comprises technologies of waste gas circulation, sectional heating, air depletion and the like. In the waste gas circulation technology, high-temperature flue waste gas or waste gas outside a coke oven in a certain proportion in a main flue of the coke oven is respectively introduced into a waste gas shutter at the side of the coke oven and a waste gas shutter at the coke side of the coke oven through a waste gas branch flue, and when the waste gas shutter is an air ascending section, the waste gas enters the waste gas shutter through a control system and is uniformly mixed with air to enter a heat storage chamber. When the coke oven exchanger is reversed, the control system synchronously acts to ensure that the waste gas is uniformly mixed with the ascending air all the time and then enters the coke oven to participate in the combustion of coke oven gas.
The waste gas coke oven inlet system mainly comprises a flue main pipe, a flue branch pipe and a flue branch pipe. The flue main pipe is directly connected with the outlet of the fan; the outlet ends of the flue main pipes are communicated with the four flue branch pipes, two flue branch pipes are distributed on the machine side of the coke oven, the other two flue branch pipes are distributed on the coke side of the coke oven, and the flue branch pipes positioned on the same side are communicated with the flue main pipes through electric reversing valves; each flue branch pipe is provided with a plurality of flue branch pipes communicated with the flue branch pipe, and each flue branch pipe is in one-to-one correspondence with and communicated with a waste gas shutter of the coke oven; each flue branch pipe is provided with a pneumatic regulating valve.
The pneumatic regulating valve is opened and closed frequently, so that accidents are easy to cause, the safety performance is poor, and the normal operation of the coke oven is influenced; in addition, the pneumatic regulating valve is adopted, and the usage amount of the required compressed air is large.
In addition, the waste gas enters the coke oven system by a double-pipe scheme, and the side of the coke oven machine have two branch pipes, so that the occupied area is large, the heat dissipation area is large, and the temperature of a basement is high.
In summary, how to make the waste gas enter the coke oven to improve the safety performance, reduce the probability of accidents and reduce the influence on the normal operation of the coke oven is a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a reversing device for a waste gas inlet coke oven system, which is used for improving the safety performance, reducing the probability of accidents and reducing the influence on the normal operation of a coke oven. Another object of the present invention is to provide an exhaust gas coke oven system having the above reversing device.
In order to achieve the above purpose, the invention provides the following technical scheme:
a diverter device for an exhaust gas feed coke oven system comprising:
an exhaust gas shutter provided with a connection pipe for connection with a flue branch pipe;
the adjusting component can adjust the air inflow of the connecting pipe;
the reversing mechanism of the waste gas shutter is linked with the adjusting component to enable the connecting pipe and the waste gas shutter to be opened and closed synchronously.
Preferably, the reversing mechanism of the exhaust shutter comprises a rotating shaft, and the exhaust shutter is opened and closed through the rotation of the rotating shaft;
wherein the adjustment assembly comprises: the adjusting weight can seal the connecting pipe, and the connecting assembly is used for connecting the adjusting weight and the rotating shaft; the adjusting weight can be lifted to open and close the connecting pipe by rotating the rotating shaft.
Preferably, the connection assembly comprises: the driving wheel is arranged on the rotating shaft and synchronously rotates with the rotating shaft, and the lifting part is wound on the driving wheel; and the tail end of the lifting part is fixedly connected with the adjusting weight.
Preferably, the connecting assembly further comprises a pull rod, and the lifting part is fixedly connected with the adjusting weight through the pull rod.
Preferably, the lifting member is a chain and the drive wheel is a sector wheel.
Preferably, the adjusting weight is provided with a gradually-expanding part capable of closing the connecting pipe, the top end of the gradually-expanding part is close to the rotating shaft, the bottom end of the gradually-expanding part is far away from the rotating shaft, and the gradually-expanding part gradually expands from the bottom end to the top end of the gradually-expanding part.
Preferably, the gradually expanding part is conical, the gradually expanding part is in a circular truncated cone shape, or the gradually expanding part is provided with a spherical crown capable of sealing the connecting pipe.
Based on the reversing device for the waste gas to enter the coke oven system, the invention also provides the waste gas to enter the coke oven system, and the waste gas to enter the coke oven system comprises any one of the reversing devices for the waste gas to enter the coke oven system.
Preferably, the flue gas entry coke oven system further comprises: a machine side flue branch pipe extending to the machine side of the coke oven, and a coke side flue branch pipe extending to the coke side of the coke oven; the machine side flue branch pipe and the coke side flue branch pipe are respectively provided with a flue branch pipe communicated with the machine side flue branch pipe, and the machine side flue branch pipe and the coke side flue branch pipe are respectively one.
Preferably, the waste gas coke oven inlet system further comprises a main flue pipe, the machine side branch flue pipe, the coke side branch flue pipe and the main flue pipe are communicated through a tee joint, and the machine side branch flue pipe and the coke side branch flue pipe are respectively provided with a switch valve.
The reversing device of the waste gas coke oven inlet system provided by the invention has the advantages that the waste gas shutter and the connecting pipe are synchronously opened and closed by the linkage of the regulating component and the reversing mechanism of the waste gas shutter, so that the waste gas shutter and the connecting pipe are simultaneously opened and closed. Therefore, the reversing device of the waste gas coke oven inlet system realizes the opening and closing of the connecting pipe through a mechanical structure, namely the opening and closing of the flue branch pipe through the mechanical structure, compared with the starting and adjusting valve adopted in the prior art, the reversing device reduces the probability of accidents, improves the safety performance and reduces the influence on the normal operation of the coke oven due to the opening and closing of the flue branch pipe; meanwhile, the opening and closing of the flue branch pipe do not need compressed air, so that the use amount of the compressed air is reduced, and the influence on the whole waste gas entering the coke oven system due to insufficient purity or insufficient pressure of the compressed air is reduced.
Meanwhile, in the reversing device for the waste gas inlet coke oven system, the adjusting component is linked with the reversing mechanism of the waste gas shutter, so that the waste gas shutter is opened while the flue branch pipe is opened, and the waste gas shutter is closed while the flue branch pipe is closed, and the reliability is improved; the reversing mechanism of the existing waste gas shutter is utilized to realize the opening and closing of the flue branch pipe, so that the structure is simpler and the cost is lower.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a front view of a diverter mechanism for a flue gas entry coke oven system according to an embodiment of the present invention;
FIG. 2 is a side view of a diverter mechanism for the flue gas entering the coke oven system according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an exhaust gas shutter in a reversing device of an exhaust gas coke oven system according to an embodiment of the present invention;
FIG. 4 is an isometric view of an exhaust gas entry coke oven system provided by an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of the structure of FIG. 4;
FIG. 6 is a schematic structural diagram of an exhaust gas inlet coke oven system provided by an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the reversing device for feeding waste gas into a coke oven system according to an embodiment of the present invention includes: an exhaust gas shutter 1 and an adjusting assembly, wherein the exhaust gas shutter 1 is provided with a connecting pipe 102 for connecting with the flue branch pipe 7; the adjusting component can adjust the air input of the connecting pipe 102, and the reversing mechanism of the exhaust gas shutter 1 and the adjusting component are linked to synchronously open and close the exhaust gas shutter 1 and the connecting pipe 102.
The exhaust gas shutter 1 is a conventional exhaust gas shutter. The number of the flue branch pipes 7 is the same as that of the waste gas shutters 1, and the flue branch pipes correspond to the waste gas shutters one by one.
The reversing device of the waste gas coke oven system provided by the invention has the advantages that the waste gas shutter 1 and the connecting pipe 102 are synchronously opened and closed by the linkage of the connecting pipe 102 and the reversing mechanism of the waste gas shutter 1, so that the waste gas shutter 1 and the connecting pipe 102 are simultaneously opened and the waste gas shutter 1 and the connecting pipe 102 are simultaneously closed. Therefore, the reversing device of the waste gas coke oven inlet system realizes the opening and closing of the connecting pipe 102 through a mechanical structure, namely the opening and closing of the flue branch pipe 7 through the mechanical structure, compared with the prior art which adopts a starting regulating valve, the reversing device reduces the probability of accidents, improves the safety performance and reduces the influence on the normal operation of the coke oven 15 caused by the opening and closing of the flue branch pipe 7; meanwhile, the opening and closing of the flue branch pipe 7 do not need compressed air, so that the use amount of the compressed air is reduced, and the influence on the whole waste gas entering the coke oven system due to insufficient purity or insufficient pressure of the compressed air is reduced.
Meanwhile, in the reversing device for the waste gas to enter the coke oven system, the adjusting component is linked with the reversing mechanism of the waste gas shutter 1, so that the waste gas shutter 1 is opened while the flue branch pipe 7 is opened, the waste gas shutter 1 is closed while the flue branch pipe 7 is closed, and the reliability is improved; the reversing mechanism of the existing waste gas shutter 1 is utilized to realize the opening and closing of the flue branch pipe 7, so that the structure is simpler and the cost is lower.
The specific structure of the regulating assembly and the specific structure for realizing the linkage of the regulating assembly and the reversing mechanism of the exhaust gas shutter 1 are designed and selected according to actual needs, for example, according to the specific structure of the exhaust gas shutter 1.
Preferably, the reversing mechanism of the exhaust gas shutter 1 includes a rotating shaft 101, and the exhaust gas shutter 1 is opened and closed by the rotation of the rotating shaft 101; the above-mentioned regulating assembly includes: the adjusting weight 5 can seal the connecting pipe 102, and the connecting assembly is connected with the adjusting weight 5 and the rotating shaft 101; wherein, the adjusting weight 5 is lifted to open and close the connecting pipe 102 by the rotation of the rotating shaft 101.
In the practical application process, when the adjusting weight 5 rises to the first set position, the connecting pipe 102 is completely opened, and when the adjusting weight 5 falls to the second set position, the connecting pipe 102 is closed; optionally, when the adjusting weight 5 is lifted to the first setting position, the connecting pipe 102 is closed, and when the adjusting weight 5 is lowered to the second setting position, the connecting pipe 102 is completely opened.
In order to facilitate opening and closing of the connection pipe 102, it is preferable that the connection pipe 102 is disposed at the bottom of the exhaust gas shutter 1, the connection pipe 102 is completely opened when the adjusting weight 5 is lifted to the first setting position, and the connection pipe 102 is closed when the adjusting weight 5 is lowered to the second setting position.
Specifically, the exhaust shutter 1 is a lever type exhaust shutter. Specifically, as shown in fig. 3, the reversing mechanism of the lever type exhaust shutter includes: the air exchanging roller 103, the rotating shaft 101, a driving part for driving the rotating shaft 101 to rotate, and a driving wheel which is arranged on the rotating shaft 101 and synchronously rotates along with the rotating shaft 101; the air exchange weight 103 can seal an air inlet of the waste gas shutter 1, the driving wheel is wound with the lifting part 3, and the driving wheel drives the air exchange weight 103 to lift through the lifting part 3 to open and close the air inlet; in the forward rotation process of the rotating shaft 101, the air exchange weight 103 and the adjusting weight 5 both ascend, and when the air exchange weight and the adjusting weight ascend to a certain position, the air inlet and the connecting pipe 102 are opened; in the process of reverse rotation of the rotating shaft 101, the air exchange weight 103 and the adjusting weight 5 both descend, and when the air exchange weight and the adjusting weight descend to a certain position, the air inlet and the connecting pipe 102 are opened.
Of course, the reversing mechanism of the exhaust gas shutter 1 may be selected to have another structure, and is not limited to the above embodiment.
In the reversing device for the waste gas coke oven feeding system, the specific structure of the connecting component is selected according to actual requirements. For convenience of arrangement, it is preferable that the connection assembly includes: a driving wheel 4 arranged on the rotating shaft 101 and rotating synchronously with the rotating shaft 101, and a lifting component 3 wound on the driving wheel 4; wherein, the tail end of the lifting part 3 is fixedly connected with the adjusting weight 5.
In order to ensure that the adjusting weight 5 is lifted along the vertical direction, the connecting assembly further comprises a pull rod 2, and the lifting part 3 is fixedly connected with the adjusting weight 5 through the pull rod 2. Specifically, one end of the pull rod 2 is fixedly connected with the adjusting weight 5, and the other end of the pull rod 2 is fixedly connected with the lifting component 3. Thus, the length of the lifting part 3 can be shortened, and the adjustment weight 5 can be ensured to lift along the vertical direction.
The specific length of the pull rod 2 is selected according to actual needs, which is not limited in this embodiment.
The specific type of the lifting member 3 is selected according to the actual need, for example, the lifting member 3 is a chain, a belt, a rope, or the like. In order to improve the service life, the lifting member 3 is preferably a chain.
In order to reduce the structure, the driving wheel 4 is a sector wheel. At this time, one end of the lifting member 3 is fixed to the sector wheel. Of course, the driving wheel 4 may be a circular wheel or a wheel with other shapes, which is not limited in this embodiment.
The adjusting assembly can adjust the air inflow of the connecting pipe 102, specifically, the adjusting assembly closes the connecting pipe 102, and the air inflow of the connecting pipe 102 is zero; the adjusting assembly opens the connection pipe 102, and the amount of air input to the connection pipe 102 is not zero. In order to improve the adjustment accuracy, the adjustment weight 5 preferably has a gradually expanding portion capable of closing the connection pipe 102, wherein a top end of the gradually expanding portion is close to the rotation shaft 101, a bottom end of the gradually expanding portion is far from the rotation shaft 101, and the gradually expanding portion gradually expands from the bottom end to the top end thereof. At this time, the amount of intake air for connecting pipe 102 other than zero is plural, thereby improving the adjustment accuracy.
The specific shape of the diverging portion is selected according to actual needs, and for example, the diverging portion is tapered, the diverging portion is frustum-shaped, the diverging portion is circular truncated cone-shaped, or the diverging portion has a spherical cap that can close the connection pipe 102.
Based on the reversing device for the waste gas to enter the coke oven system provided by the above embodiment, the embodiment also provides a waste gas to enter the coke oven system, as shown in fig. 4 to 6, and the waste gas to enter the coke oven system comprises the reversing device for the waste gas to enter the coke oven system provided by the above embodiment.
Due to the fact that the waste gas coke oven system comprises the reversing device for the waste gas coke oven system, the waste gas coke oven system has corresponding technical effects, and details are not repeated herein.
In the actual process, the coke oven 15 has a coke oven side and a coke oven side. The reversing device for the waste gas coke oven system comprises: a machine side flue branch pipe 13 extending to the machine side of the coke oven, and a coke side flue branch pipe 14 extending to the coke side of the coke oven; wherein, the machine side flue branch pipe 13 and the coke side flue branch pipe 14 are both provided with flue branch pipes 7 communicated with the machine side flue branch pipe and the coke side flue branch pipe.
In the above-mentioned exhaust gas coke oven system, the number of exhaust gas shutters 1 is the same as that in the conventional exhaust gas coke oven system. In the coke oven system for feeding the waste gas provided by the embodiment, the number of the flue branch pipes 7 is the same as that of the waste gas shutters 1, and the flue branch pipes and the waste gas shutters are in one-to-one correspondence.
In order to simplify the structure and reduce the floor space, it is preferable that the machine side flue branch pipe 13 and the coke side flue branch pipe 14 are both one. Meanwhile, the heat dissipation area is reduced, and the temperature of the underground chamber is effectively reduced; the cost is reduced, and the labor is saved.
Of course, it is also possible to select two of the machine side flue branch pipe 13 and the coke side flue branch pipe 14 as mentioned in the background art.
In order to further simplify the structure, the waste gas coke oven inlet system further comprises a main flue pipe 10, the machine side branch flue pipe 13, the coke side branch flue pipe 14 and the main flue pipe 10 are communicated through a tee joint, and the machine side branch flue pipe 13 and the coke side branch flue pipe 14 are both provided with switch valves 12.
The flue main pipe 10 introduces the exhaust gas, and for the convenience of introduction, the flue main pipe 10 is provided with a fan 11, and the type of the fan 11 is selected according to actual needs, which is not limited in this embodiment.
1 fan 11 is provided for each coke oven 15. The fan 11 leads the flue waste gas behind the coke oven main flue to the flue main pipe 10 according to a certain proportion or leads the waste gas outside the coke oven to the flue main pipe 10 under the condition of ensuring that the normal production of the coke oven 15 is not influenced. The fan 11 is controlled by a frequency converter, the fan 11 adopts an explosion-proof motor, the use amount of flue waste gas can be adjusted according to different working conditions of the coke oven 15, and a certain margin is ensured so as to meet various working condition requirements of the coke oven 15; in addition, the fan 11 is remotely controlled by the DCS system, and the use safety and convenience are ensured.
The type of the on-off valve 12 is selected according to actual needs, for example, the on-off valve 12 is a manual on-off valve, which is not limited in this embodiment.
In order to ensure the telescopic amount of the flue branch pipe 7, the flue branch pipe 7 is connected with a metal compensator 6 in series.
In order to ensure the regulation of the exhaust gas quantity, the flue branch pipe 7 is also provided with an exhaust gas regulating valve 8. Specifically, the waste gas regulating valve 8 is a manual air volume regulating valve, and of course, other types of waste gas regulating valves may be selected, which is not limited in this embodiment.
The exhaust gas regulating valve 8 may be disposed upstream of the metal compensator 6, or may be disposed downstream of the metal compensator 6, and is selected according to actual needs, which is not limited in this embodiment.
In the above-mentioned exhaust gas coke oven system, the outlet of the exhaust gas shutter 1 communicates with the transfer pipe 9, and the transfer pipe 9 communicates with the coke oven 15.
Specifically, in the actual application process, in the basement of the coke oven 15, holes are formed in the coke oven main flue, the coke oven machine side branch flue or the coke oven coke side branch flue, and a pipeline is arranged to be connected with the fan 11, and the size of the holes is calculated according to the amount of the returned waste gas. The outlet of the fan 11 enters the coke side flue branch pipe 14 and the machine side flue branch pipe 13 through a stop valve. When air enters, the adjusting weight 5 rises to a height that the adjusting weight 5 cannot leave the connecting pipe 102; when the waste gas is discharged, the adjusting weight 5 descends, and the flue branch pipe 7 is closed. The waste gas enters the coke oven system, the waste gas shutter 1 and the connecting pipe 102 are synchronously opened and closed by controlling the reversing of the coke oven 15 and the reversing mechanism of the waste gas shutter 1, so that the flue gas and the ascending air are effectively and uniformly mixed.
Through tests, the waste gas enters the coke oven system to continuously operate for 8 months, no operation fault occurs, and the operation effect is good.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A diverter device for an exhaust gas feed coke oven system, comprising:
an exhaust gas shutter (1), the exhaust gas shutter (1) being provided with a connecting pipe (102) for connecting with a flue branch pipe (7);
an adjusting assembly capable of adjusting the amount of intake air of the connecting pipe (102);
the reversing mechanism of the waste gas shutter (1) is linked with the adjusting component to enable the connecting pipe (102) and the waste gas shutter (1) to be opened and closed synchronously.
2. The reversing device according to claim 1, characterized in that the reversing mechanism of the exhaust gas shutter (1) comprises a rotating shaft (101), and the exhaust gas shutter (1) is opened and closed by the rotation of the rotating shaft (101);
wherein the adjustment assembly comprises: the adjusting weight (5) can seal the connecting pipe (102), and the connecting assembly is used for connecting the adjusting weight (5) and the rotating shaft (101); the adjusting weight (5) is lifted to open and close the connecting pipe (102) through rotation of the rotating shaft (101).
3. The reversing device of claim 2, wherein the connection assembly comprises: the driving wheel (4) is arranged on the rotating shaft (101) and rotates synchronously with the rotating shaft (101), and the lifting component (3) is wound on the driving wheel (4); the tail end of the lifting part (3) is fixedly connected with the adjusting weight (5).
4. The reversing device according to claim 3, wherein the connecting assembly further comprises a pull rod (2), and the lifting member (3) is fixedly connected with the adjusting weight (5) through the pull rod (2).
5. A reversing device according to claim 3, characterized in that the lifting member (3) is a chain and the driving wheel (4) is a sector wheel.
6. The reversing device according to claim 2, wherein the adjusting weight (5) has a divergent part capable of closing the connecting pipe (102), the top end of the divergent part is close to the rotating shaft (101), the bottom end of the divergent part is far away from the rotating shaft (101), and the divergent part is divergent from the bottom end to the top end thereof.
7. The reversing device according to claim 6, characterized in that the diverging section is conical, frustoconical or has a spherical cap capable of closing the connecting tube (102).
8. An exhaust gas-fed coke oven system, characterized in that it comprises a reversing device according to any one of claims 1 to 7.
9. The exhaust gas inlet coke oven system of claim 8, further comprising: a machine side flue branch pipe (13) extending to the machine side of the coke oven, and a coke side flue branch pipe (14) extending to the coke side of the coke oven; the machine side flue branch pipe (13) and the coke side flue branch pipe (14) are both provided with flue branch pipes (7) communicated with the machine side flue branch pipe (13), and the machine side flue branch pipe (13) and the coke side flue branch pipe (14) are both one.
10. The exhaust gas intake coke oven system of claim 9, further comprising a main flue pipe (10), wherein the machine side branch flue pipe (13), the coke side branch flue pipe (14) and the main flue pipe (10) are communicated by a tee fitting, and the machine side branch flue pipe (13) and the coke side branch flue pipe (14) are each provided with a switching valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011293045.4A CN112280569A (en) | 2020-11-18 | 2020-11-18 | Waste gas coke oven feeding system and reversing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011293045.4A CN112280569A (en) | 2020-11-18 | 2020-11-18 | Waste gas coke oven feeding system and reversing device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112280569A true CN112280569A (en) | 2021-01-29 |
Family
ID=74398616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011293045.4A Pending CN112280569A (en) | 2020-11-18 | 2020-11-18 | Waste gas coke oven feeding system and reversing device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112280569A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125012A (en) * | 2022-07-27 | 2022-09-30 | 山东东尊华泰环保科技有限公司 | Reversing device and reversing method for VOCs waste gas entering reheating coke oven combustion |
| CN115895688A (en) * | 2023-01-06 | 2023-04-04 | 中化二建集团有限公司 | Exchange transmission device and exchange transmission method capable of switching waste gas and air in linkage manner |
-
2020
- 2020-11-18 CN CN202011293045.4A patent/CN112280569A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125012A (en) * | 2022-07-27 | 2022-09-30 | 山东东尊华泰环保科技有限公司 | Reversing device and reversing method for VOCs waste gas entering reheating coke oven combustion |
| CN115895688A (en) * | 2023-01-06 | 2023-04-04 | 中化二建集团有限公司 | Exchange transmission device and exchange transmission method capable of switching waste gas and air in linkage manner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112280569A (en) | Waste gas coke oven feeding system and reversing device thereof | |
| CN106147803B (en) | Pressure adjusting device and method for coking chamber of coke oven | |
| CN201013968Y (en) | Wing-air linkage controlling valve | |
| CN213506726U (en) | Waste gas coke oven feeding system and reversing device thereof | |
| WO2023151725A2 (en) | Air supply mechanism for biomass hot-blast stove | |
| CN116951992A (en) | Energy-saving environment-friendly clinker calcining and preheating device | |
| CN104729079A (en) | Hot air furnace | |
| CN110252139A (en) | A kind of SCR denitration system and heating device and method of denitration | |
| CN209263681U (en) | A kind of energy-saving type converter preheating device | |
| CN213021014U (en) | Safety control device for preventing gas burning kiln gas surrounding pipe from burning and exploding | |
| CN110833750B (en) | Desulfurization system and boiler system | |
| CN113883542A (en) | Boiler economizer flue gas bypass adjusting equipment | |
| CN210801594U (en) | SCR denitration flue gas heating device with annular seam sealing device | |
| CN112539639A (en) | Drying tower with waste smoke purification function and multifunctional regulation and control functions and convenient climbing and maintenance | |
| CN205746961U (en) | A kind of rotary regenerative air heater cage assembly and rotary regenerative air heater | |
| CN207035201U (en) | Blowing system and fuel combination boiler | |
| CN211717138U (en) | Smoke exhaust device for celadon kiln | |
| CN219656107U (en) | Flue gas bypass device with adjustable depth of insertion | |
| CN110665350A (en) | Efficient multistage desulfurization system | |
| CN220878322U (en) | Steel mill flue gas SCR denitration reaction preheating device | |
| CN210584493U (en) | SCR denitration flue gas heating device of chain furnace | |
| CN201156940Y (en) | Fire coal bake oven | |
| CN216644905U (en) | Combustion furnace device with single combustion nozzle for adjusting temperatures at two ends | |
| CN210314113U (en) | Waste gas mixing and exchanging device of chimney nitrogen oxide control system of reheating coke oven | |
| CN1268215A (en) | Adapter armature for use in a stationary gas turbine installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |