CN218665905U - Pressure adjusting device for carbonization chamber - Google Patents
Pressure adjusting device for carbonization chamber Download PDFInfo
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- CN218665905U CN218665905U CN202223305549.0U CN202223305549U CN218665905U CN 218665905 U CN218665905 U CN 218665905U CN 202223305549 U CN202223305549 U CN 202223305549U CN 218665905 U CN218665905 U CN 218665905U
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Abstract
The utility model provides a pressure regulating device for a carbonization chamber, which comprises a three-way pipe, a bridge pipe and a pressure regulating valve for automatically regulating the pressure of the carbonization chamber; a first pipe orifice of the three-way pipe is communicated with a rising pipe of the carbonization chamber, a second pipe orifice of the three-way pipe is communicated with the pressure regulating valve, and the pressure regulating valve is communicated with one end of the bridge pipe; the other end of the bridge pipe is communicated with the gas collecting pipe. The second pipe orifice of the three-way pipe is communicated with the pressure regulating valve, and the pressure regulating valve is communicated with one end of the bridge pipe, so that the automatic adjustment of the pressure of the single carbonization chamber is realized. And the pressure regulating valve can be directly arranged at the second pipe orifice of the three-way pipe and one end of the bridge pipe, so that the rapid installation of the pressure regulating device of the carbonization chamber is realized.
Description
Technical Field
The utility model relates to a carbomorphism room technical field, in particular to carbomorphism room pressure regulating device.
Background
The coke oven bridge pipe used by coking enterprises is only used for guiding out the raw coke oven gas generated by the coking chamber, does not have the adjusting function, and cannot adjust the pressure of the single coking chamber. In the whole coking process, the pressure fluctuation of the coking chamber is large. In the initial coal charging stage, because the generation amount of the raw gas is too large, a bridge pipe cannot be led out in time, the coking chamber can generate pressure building, and the phenomena of smoke, fire and the like of the coke oven are caused; in the later stage of coking, negative pressure is generated in the coking chamber to suck air, so that the burning loss of coke and coking products is increased, and the yield of the coke and the yield of the coking products are influenced. The coke gas is dust-containing gas which can not be directly supplied to users and needs to be subjected to dust removal treatment. The furnace dust in the raw gas can block pipelines in the conveying process, and alkaline substances in the furnace dust can be fused (slagging) with acid refractory materials under the high-temperature condition during combustion, so that the service performance and the service life of equipment such as a coke oven combustion chamber, a hot blast stove regenerator and the like are reduced.
The existing single carbonization chamber pressure regulating system generally has the problems of complex structure, high project investment, high construction difficulty and the like. And the existing carbonization chamber adjusting system structure is suitable for a newly-built coke oven and is not suitable for the existing coke oven rapid modification project.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a carbomorphism room pressure adjusting device for solve the problem that single carbomorphism room pressure can't in time effectively be adjusted among the prior art.
The embodiment of the utility model adopts the following technical scheme: a pressure regulating device for a carbonization chamber comprises a three-way pipe, a bridge pipe and a pressure regulating valve for automatically regulating the pressure of the carbonization chamber; a first pipe orifice of the three-way pipe is communicated with a rising pipe of the carbonization chamber, a second pipe orifice of the three-way pipe is communicated with the pressure regulating valve, and the pressure regulating valve is communicated with one end of the bridge pipe; the other end of the bridge pipe is communicated with the gas collecting pipe.
In some embodiments, the pressure regulating valve is a knife gate valve, and one end of the valve body of the knife gate valve is detachably connected with a flange arranged at the second pipe orifice of the three-way pipe through a bolt; the other end of the valve body of the knife gate valve is detachably connected with a flange arranged at one end of the bridge pipe through a bolt.
In some embodiments, the adjusting device further comprises a pneumatic output shaft and a cylinder, one end of a valve plate of the knife gate valve is connected with one end of a valve rod of the knife gate valve, the other end of the valve rod is connected with one end of the pneumatic output shaft, and the other end of the pneumatic output shaft is connected with a piston rod of the cylinder; and the pneumatic output shaft is provided with a positioner.
In some embodiments, the inner wall of the valve cover of the knife gate valve close to one end of the cylinder is provided with packing, and the packing is tightly fixed on the valve cover through a packing gland and a bolt.
In some embodiments, the outer edge of the valve plate of the knife gate valve is provided with a round chamfer.
In some embodiments, an end of the valve plate of the knife gate valve, which is far away from the cylinder, is provided with an inclined cutting edge with cutting force.
In some embodiments, a pressure measuring hole is formed in the three-way pipe, a pressure sensor is installed at the pressure measuring hole, the pressure sensor is connected with a controller, the controller is connected with the pressure regulating valve, and the controller receives a pressure signal detected by the pressure sensor and controls the opening of the valve plate of the pressure regulating valve.
In some embodiments, a third pipe orifice of the three-way pipe is provided with a cover plate for blocking the third pipe orifice, and the cover plate is detachably connected with the third pipe orifice.
In some embodiments, the bridge pipe is provided with a cleaning hole for cleaning the bridge pipe and the pressure regulating valve.
In some embodiments, an ammonia spray pipe is arranged on the bridge pipe, and the ammonia spray pipe is used for spraying ammonia water into the bridge pipe.
The embodiment of the utility model provides a beneficial effect lies in:
the second pipe orifice of the three-way pipe is communicated with the pressure regulating valve, and the pressure regulating valve is communicated with one end of the bridge pipe, so that the automatic adjustment of the pressure of the single carbonization chamber is realized. And the pressure regulating valve can be directly arranged at the second pipe orifice of the three-way pipe and one end of the bridge pipe, so that the quick installation of the regulating device is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic structural view of a pressure regulating device of a carbonization chamber according to the present invention;
FIG. 2 is a schematic structural view of the knife gate valve of the present invention;
FIG. 3 is a schematic structural view of the knife gate valve at a side view angle;
FIG. 4 is an enlarged view of portion A of FIG. 2 according to the present invention;
fig. 5 is an enlarged view of a portion B of fig. 2 according to the present invention.
Reference numerals:
the three-way valve comprises a three-way pipe 1, a first pipe orifice 101, a second pipe orifice 102, a third pipe orifice 103, a pressure measuring hole 104, a cover plate 105, a knife gate valve 2, a valve cover 201, a valve body 202, a valve plate 203, a 2031 cutting edge, a valve rod 204, an inner cavity 205, a packing 206, a packing gland 207, a blowdown valve 208, a bridge pipe 3, a scavenging hole 301, an ammonia water spray pipe 302, a flange 4, a pneumatic output shaft 5, a cylinder 6 and a valve positioner 7.
Detailed Description
Various aspects and features of the present invention are described herein with reference to the accompanying drawings.
It should be understood that various modifications may be made to the embodiments of the present application. Accordingly, the foregoing description should not be construed as limiting, but merely as exemplifications of embodiments. Other modifications within the scope and spirit of the invention will occur to those skilled in the art.
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and, together with a general description of the invention given above, and the detailed description of the embodiments given below, serve to explain the principles of the invention.
These and other characteristics of the invention will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the attached drawings.
It is also understood that, although the present invention has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of the invention, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present invention will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present invention are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which can be embodied in various forms. Well-known and/or repeated functions and constructions are not described in detail to avoid obscuring the invention in unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed structure.
The description may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the present invention.
The problems that the pressure of a single carbonization chamber cannot be timely and effectively adjusted to cause smoke, fire, air suction and the like of a coke oven carbonization chamber in the background art are solved. The utility model provides a carbomorphism room pressure regulating device, this adjusting device for current single carbomorphism room pressure governing system, its simple structure, the investment is little, and the construction degree of difficulty is also little, is particularly suitable for having coke oven transformation project, also is applicable to newly-built coke oven simultaneously, can realize adjusting device's quick installation.
Specifically, as shown in fig. 1, the regulating device comprises a three-way pipe 1, a bridge pipe 3 and a pressure regulating valve for automatically regulating the pressure of the carbonization chamber. The three pipe orifices of the three-way pipe 1 are respectively a first pipe orifice 101, a second pipe orifice 102 and a third pipe orifice 103, the first pipe orifice 101 of the three-way pipe 1 is communicated with a rising pipe of the carbonization chamber, the second pipe orifice of the three-way pipe 1 is communicated with a pressure regulating valve, the pressure regulating valve is communicated with one end of a bridge pipe 3, and the other end of the bridge pipe 3 is communicated with a gas collecting pipe. Raw gas in the carbonization chamber enters the gas collecting pipe after sequentially passing through an ascending pipe, a three-way pipe 1, a pressure regulating valve and a bridge pipe 3. In the process, the pressure regulating valve can regulate the opening degree of the pressure regulating valve according to the pressure of the carbonization chamber to change the flow cross section of the gas, so that the pressure of the carbonization chamber is regulated, and the pressure of the carbonization chamber is timely and effectively regulated.
On the whole, the adjusting device realizes the automatic adjustment of the pressure of the single carbonization chamber by communicating the second pipe orifice 102 of the three-way pipe 1 with the pressure adjusting valve, and communicating the pressure adjusting valve with one end of the bridge pipe 3. And the pressure regulating valve can be directly arranged at the second pipe orifice 102 of the three-way pipe 1 and one end of the bridge pipe 3, so that the quick installation of the regulating device is realized.
In some embodiments, the pressure regulating valve adopts a knife gate valve 2, and one end of a valve body 202 of the knife gate valve 2 is detachably connected with a flange 4 arranged at the second pipe orifice 102 of the three-way pipe 1 through bolts; the flange 4 that the valve body 202 other end of knife gate valve 2 and the one end of bridge 3 set up passes through the bolt can dismantle the connection, and this connected mode can realize knife gate valve 2 and three-way pipe 1 and bridge 3's high-speed joint, is applicable to the quick transformation of old coke oven more, has reduced the transformation input.
As shown in fig. 2 and 3, the adjusting device further includes a pneumatic output shaft 5 and a cylinder 6, the knife gate valve 2 is a knife gate valve 2 with a valve cover 201, and the valve cover 201 and the valve body 202 are connected and fixed by bolts and nuts. One end of a valve plate 203 of the knife gate valve 2 is connected with one end of a valve rod 204 of the knife gate valve 2 through a bolt and a positioning part inserted into a positioning hole on the bolt, the other end of the valve rod 204 is also connected with one end of the pneumatic output shaft 5 through a bolt and a positioning part inserted into a positioning hole on the bolt, and the other end of the pneumatic output shaft 5 is connected with a piston rod of the air cylinder 6. The opening and closing of the gate plate are completed in an inner cavity 205 formed by the valve cover 201, and the gate plate is completely isolated from the external environment, so that air is prevented from entering and affecting the action of the knife gate valve 2. The pneumatic output shaft 5 is provided with a valve positioner 7, the valve positioner 7 receives an output signal of an adjuster on the knife gate valve 2, then the knife gate valve 2 is controlled according to the output signal, after the knife gate valve 2 acts, the displacement of the valve rod 204 is fed back to the valve positioner 7 through a mechanical device, and the valve position condition is transmitted to a controller serving as an upper system through an electric signal, so that the automatic adjusting function can be realized.
As shown in fig. 4, the inner wall of the valve cover 201 of the knife gate valve 2 near the end of the cylinder 6 is provided with a packing 206, the packing 206 is fixed to the valve cover 201 by a packing gland 207 and a bolt, and meanwhile, the packing gland 207 is provided with a disc spring, so that the packing 206 is always subjected to a downward pretightening force, and the leakage of the packing 206 caused by the reciprocating motion of the valve plate 203 is effectively prevented. In addition, the outer fringe limit of the valve plate 203 of knife gate valve 2 is equipped with round chamfer, can effectively reduce the knife gate valve 2 switch-on and-off, and the valve plate 203 edge is to the wearing and tearing of filler 206, effectively promotes knife gate valve 2's life.
In addition to the above structure, as shown in fig. 5, an inclined cutting edge 2031 with cutting force is provided at one end of the valve plate 203 of the knife gate valve 2 far away from the cylinder 6, which has strong cutting force and is suitable for media containing solid particles or fibrous impurities.
How to carry out automatic adjustment to the carbomorphism room pressure to knife gate valve 2, be provided with the pressure cell 104 with the three-way pipe intercommunication on this adjusting device's the three-way pipe 1, pressure cell 104 department installs pressure sensor, but the pressure of real-time supervision three-way pipe 1 department, pressure sensor is connected with the controller, the controller is connected with knife gate valve 2 electricity, the pressure signal that pressure sensor detected is received to the controller to control knife gate valve 2's valve plate 203 aperture size, in order to realize the real-time effective regulation to the carbomorphism room pressure size.
In some embodiments, the third pipe orifice 103 of the tee 1 is provided with a cover plate for blocking the third pipe orifice, and the cover plate and the third pipe orifice 103 can be detachably connected through a flange. The cover plate is normally closed, and the cover plate is opened only at the end of coking to prevent the coking chamber from being blocked. The first pipe orifice 101 of the three-way pipe 1 can also be detachably connected with one end of the ascending pipe of the carbonization chamber through a flange.
On the basis of the above structure, the bridge pipe 3 is provided with a cleaning hole 301 for cleaning the bridge pipe 3 and the pressure regulating valve. In addition, the bridge pipe 3 is provided with the ammonia spray pipe 302, ammonia is sprayed into the bridge pipe 3 through the ammonia spray pipe 302, and acidic corrosion of the inner wall of the bridge pipe 3 caused by acidic gas is prevented, so that the service life of equipment is prevented from being influenced. In addition, in order to prevent the influence of acid gas on the knife gate valve 2, the valve body 202 of the knife gate valve 2 is made of 321 stainless steel, the valve plate 203 is made of 316 stainless steel and is subjected to chrome plating, so that the knife gate valve has the characteristics of high temperature resistance and ammonia water corrosion resistance, meanwhile, the hardness of the surface of the valve plate 203 can be effectively improved, and the valve plate 203 can be prevented from being leaked due to abrasion or bite. Meanwhile, a drain valve 208 is further disposed at the bottom of the valve body 202 of the knife gate valve 2, so that dirty dirt in the knife gate valve 2 can be discharged at regular time.
The specific use process of the adjusting device is as follows:
when the coking chamber is charged with coal, the generation amount of the raw coke oven gas reaches the maximum value, the air inlet amount is adjusted to the maximum value, the knife gate valve 2 is opened to the maximum opening degree, so that the raw coke oven gas can smoothly pass through, and the coking chamber is ensured not to be subjected to pressure building due to overlarge raw coke oven gas amount. Along with the advancing of the coking process, the generation amount of the raw coke oven gas is gradually reduced, the air output is gradually reduced, the opening degree of the knife gate valve 2 is adjusted according to the pressure change of the coking chamber, the pressure of the coking chamber is always kept stable, and the control is controlled within the process requirement range. At the end of coking, the coking chamber does not produce raw gas any more, and at the moment, the knife gate valve 2 is completely closed. The adjusting device can control the pressure of the carbonization chamber to fluctuate within a design range in the whole working process of the carbonization chamber. The pressure of the carbonization chamber is stably and reliably regulated, and the sensitivity is high.
The present invention is not limited to these specific embodiments, and those skilled in the art can make various modifications and modified embodiments based on the concept of the present invention, and these modifications and modified embodiments should fall within the scope of the present invention.
Claims (10)
1. A pressure regulating device for a carbonization chamber is characterized by comprising a three-way pipe, a bridge pipe and a pressure regulating valve for automatically regulating the pressure of the carbonization chamber; a first pipe orifice of the three-way pipe is communicated with a rising pipe of the carbonization chamber, a second pipe orifice of the three-way pipe is communicated with the pressure regulating valve, and the pressure regulating valve is communicated with one end of the bridge pipe; the other end of the bridge pipe is communicated with the gas collecting pipe.
2. The adjusting device of claim 1, wherein the pressure adjusting valve is a knife gate valve, and one end of the valve body of the knife gate valve is detachably connected with a flange arranged at the second pipe orifice of the three-way pipe through a bolt; the other end of the valve body of the knife gate valve is detachably connected with a flange arranged at one end of the bridge pipe through a bolt.
3. The adjusting device according to claim 2, characterized in that the adjusting device further comprises a pneumatic output shaft and a cylinder, one end of a valve plate of the knife gate valve is connected with one end of a valve rod of the knife gate valve, the other end of the valve rod is connected with one end of the pneumatic output shaft, and the other end of the pneumatic output shaft is connected with a piston rod of the cylinder; and the pneumatic output shaft is provided with a positioner.
4. The adjusting device of claim 3, wherein the inner wall of the valve cover of the knife gate valve close to one end of the cylinder is provided with packing, and the packing is tightly fixed on the valve cover through a packing gland and a bolt.
5. The adjustment device of claim 3, wherein the outer edge of the valve plate of the knife gate valve is provided with a rounded chamfer.
6. The adjustment device of claim 3, characterized in that the end of the valve plate of the knife gate valve remote from the cylinder is provided with an inclined cutting edge with a cutting force.
7. The adjusting device according to claim 1, wherein a pressure measuring hole is formed in the three-way pipe, a pressure sensor is mounted at the pressure measuring hole, the pressure sensor is connected with a controller, the controller is connected with the pressure adjusting valve, and the controller receives a pressure signal detected by the pressure sensor and controls the opening of a valve plate of the pressure adjusting valve.
8. The adjusting device of claim 1, wherein a third pipe orifice of the three-way pipe is provided with a cover plate for blocking the third pipe orifice, and the cover plate is detachably connected with the third pipe orifice.
9. The adjustment device according to claim 1, characterized in that the bridge pipe is provided with a cleaning hole for cleaning the bridge pipe and the pressure regulating valve.
10. The adjusting device of claim 1, wherein an ammonia spray pipe is arranged on the bridge pipe, and is used for spraying ammonia water into the bridge pipe through the ammonia spray pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223305549.0U CN218665905U (en) | 2022-12-07 | 2022-12-07 | Pressure adjusting device for carbonization chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223305549.0U CN218665905U (en) | 2022-12-07 | 2022-12-07 | Pressure adjusting device for carbonization chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218665905U true CN218665905U (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223305549.0U Active CN218665905U (en) | 2022-12-07 | 2022-12-07 | Pressure adjusting device for carbonization chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218665905U (en) |
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2022
- 2022-12-07 CN CN202223305549.0U patent/CN218665905U/en active Active
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