CN214496177U

CN214496177U - Pressure adjusting device for carbonization chamber

Info

Publication number: CN214496177U
Application number: CN202120413018.XU
Authority: CN
Inventors: 高浦安; 于家乐; 李明岩; 郑若然; 高昕
Original assignee: Dalian Pucheng Control System Co ltd
Current assignee: Dalian Pucheng Control System Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-10-26
Anticipated expiration: 2031-02-24

Abstract

The utility model discloses pressure regulating device of carbonization chamber relates to coke oven gas collection system equipment technical field, especially relates to the pressure regulating device that the carbonization chamber was used. The bridge pipe and the gas collecting pipe of the utility model are connected through the socket base; the bridge pipe is provided with an installation platform; the mounting platform is provided with a pressure adjusting device. The pressure adjusting device includes: a driving cylinder, a suspender and an adjusting disc; the driving cylinder is fixedly arranged on the mounting platform, and the output end of the driving cylinder is vertically downward; the top end of the suspender is connected with the output end of the driving cylinder; the adjusting disc is positioned in the gas collecting pipe, positioned at the lower part of the bridge pipe and connected with the bottom end of the suspender, and the adjusting disc and the lower edge of the bridge pipe form an adjustable annular raw coke oven gas channel; the driving cylinder drives the adjusting disc to vertically move up and down through the suspender. The technical scheme of the utility model the current carbomorphism room pressure governing system structure among the prior art is complicated, the pressure feedback mode is controlled respectively, makes and problem such as cost of maintenance height.

Description

Pressure adjusting device for carbonization chamber

Technical Field

The utility model discloses pressure regulating device of carbonization chamber relates to coke oven gas collection system equipment technical field, especially relates to the pressure regulating device that the carbonization chamber was used.

Background

The pressure control of the coking chamber of the large-scale coke oven is extremely important for the service life of the coke oven, the coke quality, the pollutant discharge and the stable production operation. In the initial coal charging stage, the raw gas generation amount is large, and an enough export channel is required; in the coking end stage, the raw gas generation amount is small, a raw gas guide-out channel needs to be reduced, the pressure in a carbonization chamber is ensured to be stable, and negative pressure and leakage are avoided. In the coking process, the generation amount of the raw gas changes along with the time, and the raw gas guide channel also needs to be correspondingly adjusted in the process so as to ensure that the pressure in the coking chamber is relatively stable.

Currently, the Pressure regulation systems of the coking chambers include the OPR (oven Pressure regulation) system and the CPS (chamber Pressure Stabilization) system which are well-developed, the PROVEN system in Germany, and the SOPRECO system in Italy. OPR and PROVEN mainly control the flow section of the raw gas by adjusting the liquid level, CPS system adjusts the flow section of the raw gas by adjusting the opening of the water seal valve disc, SOPRECO technology adopts butterfly valve to adjust. The pressure regulating system of the carbonization chamber has a relatively complex structure, and the carbonization chambers are respectively controlled in a pressure feedback mode, so that the cost is high.

In view of the problems in the prior art, it is necessary to develop a new pressure regulator for a coking chamber to overcome the problems in the prior art.

Disclosure of Invention

According to the technical problems that the existing carbonization chamber pressure adjusting system provided by the prior art is complex in structure, the pressure feedback modes are respectively controlled, the manufacturing and maintenance costs are high, and the like, the carbonization chamber pressure adjusting device is provided. The utility model discloses mainly adopt a new pressure adjustment device, drive jib and adjusting disk through the driving cylinder and adjust the opening volume of raw coke oven gas passageway to reach the indoor pressure adjustment's of carbomorphism purpose.

During the period from the coal charging of the coking chamber to the final coking stage, the yield of the raw gas is increased and then decreased, and the pressure in the coking chamber needs to be stabilized by adjusting the flowing section of the raw gas. The carbonization chamber and the gas collecting pipe are required to be isolated in the coal charging and coke pushing process. In order to satisfy above operation requirement, the utility model discloses a technical means as follows:

a carbonization chamber pressure adjustment device, comprising: a gas collecting pipe and a plurality of bridge pipes; one ends of the bridge pipes are equidistantly arranged on the upper part of the gas collecting pipe, and the other ends of the bridge pipes are respectively connected with the raw gas pipe through flanges; the method is characterized in that:

furthermore, the bridge pipe is connected with the gas collecting pipe through a socket base;

further, a mounting platform is arranged on the bridge pipe;

furthermore, a pressure adjusting device is arranged on the mounting platform.

Further, the pressure adjusting device includes: a driving cylinder, a suspender and an adjusting disc;

furthermore, the driving cylinder is fixedly arranged on the mounting platform, and the output end of the driving cylinder is vertically downward;

further, the top end of the suspender is connected with the output end of the driving cylinder;

furthermore, the adjusting disc is positioned in the gas collecting pipe, positioned at the lower part of the bridge pipe and connected with the bottom end of the suspender, and the adjusting disc and the lower edge of the bridge pipe form an adjustable annular raw coke oven gas channel;

furthermore, the driving cylinder drives the adjusting disc to vertically move up and down through the suspender.

Furthermore, the adjusting disc is of an inverted conical structure and is used for adjusting the ventilation of the crude gas channel.

Furthermore, the bottom edge of the adjusting disk is provided with an annular sealing table for sealing the raw coke oven gas channel.

Further, the driving cylinder selects one of an oil cylinder, an air cylinder and an electric cylinder, but is not limited to the above.

Furthermore, the output of the driving cylinder is set to be N gears, unit control is carried out through the position control system, the lifting rod is ensured to drive the adjusting disc to stop at any gear, pressure is kept, and the number N of the gears meets the requirement of pressure control precision of the single-hole carbonization chamber

Further, 1-N bridge pipes are selected from the plurality of bridge pipes, and pressure gauges are assembled on the selected bridge pipes; adjusting the telescopic position of the driving cylinder at different time points in the coking process, stabilizing the numerical value of the pressure gauge, and determining the corresponding relation between the time and the telescopic position of the adjusting cylinder after the whole coking process is calibrated. The carbonization chamber driving cylinder without the pressure gauge is adjusted according to the relation.

Each coke oven is provided with a plurality of coking chambers, 1 or N coking chambers are selected, a pressure gauge is installed on a bridge pipe, the pressure gauge value is P by driving a cylinder gear through an adjusting part at the initial coal charging stage, when the change of P is more than a (a is a set value, such as 5Pa and 6Pa …) in the coking process, the driving cylinder gear is adjusted to drive the pressure gauge value to be close to P, and the adjusting time point and the driving cylinder gear are recorded. Along with the coking process, the pressure gauge value is stabilized by adjusting the gear of the driving cylinder, the adjusting disc is closed before coke pushing, and a channel between the coking chamber and the gas collecting pipe is cut off. Different adjustment time points in the coking process correspond to different gears of the driving cylinder, and according to the control requirement, an automatic control program of the driving cylinder about the time-gear is formed. The rest of the carbonization chamber driving cylinders automatically execute the program, and further complete the pressure regulation of the single-hole carbonization chamber of the whole furnace group. In order to improve the reliability of the signal source of the automatic control program, a plurality of carbonization chambers can be selected to be provided with pressure gauges, and the pressure gauges are respectively adjusted and then averaged to be used as the basis for the automatic control of the time-gear of the driving cylinder.

Compared with the prior art, the utility model has the advantages of it is following:

1. the pressure adjusting device for the coking chambers provided by the utility model realizes that the size of the raw gas channel of each coking chamber is respectively adjusted according to different coking periods by installing a set of pressure adjusting device on each bridge pipe, and the control cost is low;

2. the pressure adjusting device for the carbonization chamber provided by the utility model is provided with the adjusting disc with the inverted conical structure, and forms an adjustable annular raw coke oven gas channel with the lower edge of the bridge pipe, thereby realizing the adjustability of ventilation;

3. the pressure adjusting device for the carbonization chambers provided by the utility model can meet the pressure control precision requirements of different carbonization chambers by setting the output of the driving cylinder to be controllable at N level;

4. the pressure regulating device for the carbonization chambers provided by the utility model selects a plurality of carbonization chambers to install the pressure gauges, and the pressure gauges are respectively regulated and then averaged to be used as the basis for the automatic control of the time-gear of the driving cylinder, thereby improving the reliability of the signal source of the automatic control program;

5. the utility model provides a pressure adjusting device of a carbonization chamber, wherein, a bridge pipe is connected with a base by adopting a socket structure, thus reducing the influence caused by installation error;

6. the utility model provides a carbomorphism room pressure regulating device, simple structure, the sensitivity is adjusted to the raw coke oven gas circulation section.

To sum up, use the technical scheme of the utility model the current carbomorphism room pressure governing system structure among the prior art is complicated, the pressure feedback mode is controlled respectively, makes and problem such as cost of maintenance height.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural view of the pressure regulating device of the present invention in a closed state;

FIG. 2 is a schematic structural view of the pressure regulating device of the present invention in an open state;

fig. 3 is a schematic structural diagram of the present invention assembled in a system.

In the figure: 1. the gas collecting device comprises a raw gas pipe 2, a pressure gauge 3, a driving cylinder 4, an installation platform 5, a bridge pipe 6, a suspender 7, an adjusting disc 8, a socket base 9, a gas collecting pipe 10 and an annular sealing platform.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in the figure, the utility model provides a carbonization chamber pressure regulating device, include: a gas collecting pipe 9 and a plurality of bridge pipes 5; one ends of a plurality of bridge pipes 5 are equidistantly arranged on the upper part of the gas collecting pipe 9, and the other ends are respectively connected with the raw gas pipe 1 through flanges;

the bridge pipe 5 is connected with the gas collecting pipe 9 through a socket base 8, and a socket structure is formed between the bridge pipe 5 and the socket base 8, so that enough adjustment allowance is reserved while sealing is ensured; the bridge pipe 5 is provided with a mounting platform 4; the mounting platform 4 is provided with a pressure adjusting device.

The pressure adjusting device includes: a driving cylinder 3, a suspender 6 and an adjusting disc 7; the driving cylinder 3 is fixedly arranged on the mounting platform 4, and the output end of the driving cylinder is vertically downward; the top end of the suspender 6 is connected with the output end of the driving cylinder 3; the adjusting disc 7 is positioned inside the gas collecting pipe 9, positioned at the lower part of the bridge pipe 5 and connected with the bottom end of the suspender 6, and the adjusting disc 7 and the lower edge of the bridge pipe 5 form an adjustable annular raw coke oven gas channel; the driving cylinder 3 drives the adjusting disc 7 to vertically move up and down through the suspension rod 6.

The adjusting disc 7 is of an inverted conical structure and is used for adjusting the ventilation of the raw gas channel.

The bottom edge of the adjusting disc 7 is provided with an annular sealing table 10 for sealing a raw coke oven gas channel; the lower edge of annular sealing platform 10 and bridge pipe 5 forms adjustable circulation section, and adjusting disk 7 matches with the lower edge gap of bridge pipe 5 and aqueous ammonia flow when closing, satisfies sealed requirement.

The driving cylinder 3 is selected from one of an oil cylinder, an air cylinder and an electric cylinder, but is not limited to the above.

The output of the driving cylinder 3 is set to be N gears, unit control is carried out through a position control system, the lifting rod is ensured to drive the adjusting disc 7 to stop at any gear, and pressure is kept.

The coking time is divided into M time intervals, the dividing principle needs to ensure that the pressure fluctuation in the coking chamber is not large in each time interval, and the time length of each time interval can be adjusted according to the pressure change condition in the coking chamber.

1-N bridge pipes 5 are selected, pressure gauges 2 are assembled on the selected bridge pipes 5, and the positions of driving cylinder rods are adjusted in different coking periods, so that the numerical values of the pressure gauges are relatively stable.

And all the single-hole pressure adjusting devices of the carbonization chambers are adjusted according to the corresponding relation by taking the corresponding relation of the gears of the driving cylinder rod corresponding to each coking time period as the basis. In the coal charging and coke pushing process, a gap between the channel adjusting disc and the lower edge of the bridge pipe is matched with the flow of ammonia water to form a water seal, and the bridge pipe is provided with a quick water injection port for standby, so that the isolation requirement of a carbonization chamber and a gas collecting pipe is met.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A carbonization chamber pressure adjustment device, comprising: a gas collecting pipe (9) and a plurality of bridge pipes (5); one ends of a plurality of bridge pipes (5) are equidistantly arranged on the upper part of the gas collecting pipe (9), and the other ends of the bridge pipes are respectively connected with the crude gas pipe (1) through flanges; the method is characterized in that:

the bridge pipe (5) is connected with the gas collecting pipe (9) through a socket base (8);

the bridge pipe (5) is provided with an installation platform (4);

and the mounting platform (4) is provided with a pressure adjusting device.

2. A carbonization chamber pressure adjustment apparatus as defined in claim 1, wherein the pressure adjustment apparatus comprises: a driving cylinder (3), a suspender (6) and an adjusting disc (7);

the driving cylinder (3) is fixedly arranged on the mounting platform (4), and the output end of the driving cylinder is vertically downward;

the top end of the suspender (6) is connected with the output end of the driving cylinder (3);

the adjusting disc (7) is positioned in the gas collecting pipe (9), positioned at the lower part of the bridge pipe (5) and connected with the bottom end of the suspender (6), and the adjusting disc (7) and the lower edge of the bridge pipe (5) form an adjustable annular raw coke oven gas channel;

the driving cylinder (3) drives the adjusting disc (7) to vertically move up and down through the suspender (6).

3. A carbonization chamber pressure adjustment device according to claim 2, wherein the adjustment disc (7) has an inverted conical structure for adjusting the ventilation of the raw gas channel.

4. A carbonization chamber pressure regulating device according to claim 3, characterized in that the bottom edge of the regulating disk (7) is provided with an annular sealing land (10) for closing the raw coke oven gas passage.

5. A carbonization chamber pressure regulating device according to claim 2, wherein the driving cylinder (3) is selected from the group consisting of an oil cylinder, an air cylinder, and an electric cylinder, but not limited thereto.

6. A carbonization chamber pressure adjusting device as defined in claim 5, wherein the output of the driving cylinder (3) is set to N gears, and the unit control is performed by a position control system to ensure that the boom drives the adjusting disk (7) to stay at any gear and maintain the pressure.

7. A chamber pressure regulating apparatus as claimed in claim 1, wherein 1 to N bridge pipes (5) are selected, and pressure gauges (2) are fitted to the selected bridge pipes (5).