CN220037500U - Simple maintenance-free rotary curved surface pressure monotone valve for coke oven carbonization chamber - Google Patents
Simple maintenance-free rotary curved surface pressure monotone valve for coke oven carbonization chamber Download PDFInfo
- Publication number
- CN220037500U CN220037500U CN202320992522.9U CN202320992522U CN220037500U CN 220037500 U CN220037500 U CN 220037500U CN 202320992522 U CN202320992522 U CN 202320992522U CN 220037500 U CN220037500 U CN 220037500U
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- China
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- stainless steel
- outer cylinder
- valve
- inner cylinder
- steel inner
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- 239000000571 coke Substances 0.000 title claims abstract description 26
- 238000003763 carbonization Methods 0.000 title claims abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 52
- 239000010935 stainless steel Substances 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 description 6
- 238000004939 coking Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Coke Industry (AREA)
Abstract
The utility model discloses a simple maintenance-free rotary curved surface pressure monotone valve for a coke oven carbonization chamber, which comprises the following components: an outer cylinder, a stainless steel inner cylinder and a valve cover; the outer cylinder is sleeved outside the stainless steel inner cylinder, the outer cylinder and the stainless steel inner cylinder are separated by a certain distance to form an accommodating space, and the valve cover is arranged in the accommodating space; the top end and the bottom end of the stainless steel inner cylinder are open and respectively used for inflow and outflow of raw gas; the valve cover is rotatably connected to the outer cylinder and can be rotated to partially cover or completely cover the bottom end of the stainless steel inner cylinder; the top end of the stainless steel inner cylinder is fixedly connected with the top end of the outer cylinder, and a sealing gasket is arranged at the joint between the stainless steel inner cylinder and the outer cylinder; and the outer cylinder is provided with a manhole. The utility model can simplify the manufacturing and assembling process of the maintenance-free rotary curved surface pressure monotone valve for the coke oven carbonization chamber and reduce the manufacturing cost.
Description
Technical Field
The utility model relates to the field of pressure regulating valves of carbonization chambers. More particularly, the utility model relates to a simple maintenance-free rotary curved surface pressure monotone valve for a coke oven carbonization chamber.
Background
The production process of the small and medium-sized or large-sized coke ovens always accompanies the outward overflow of raw gas continuously generated from the carbonization chamber, the raw gas enters the bridge pipe through the ascending pipe, is sprayed and cooled by low-pressure ammonia water in the bridge pipe, enters the coke oven gas collecting pipe, and is conveyed to the subsequent gas purifying system through the fan. The pressure of the coking chamber of the coke oven is controlled to be stable, the unorganized overflow of raw coke oven gas is stopped, and the pressure of the single coking chamber is required to be regulated. The existing carbonization chamber monotone valve sprays and cools the bridge pipe and the monotone valve because of the long open state of the ammonia water pipe on the bridge pipe, and the monotone valve works for a long time in the alkaline state of the ammonia water to greatly corrode the inner cylinder, so that the wall thickness of the inner cylinder is reduced or even eroded through the inner cylinder; and the sealing part of the outer cylinder and the inner cylinder has a complex structure, and is inconvenient to manufacture and assemble.
Disclosure of Invention
It is an object of the present utility model to solve at least the above problems and to provide at least the advantages to be described later.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided a maintenance-free rotary curved pressure monotone valve for a coking chamber of a coke oven, comprising: an outer cylinder, a stainless steel inner cylinder and a valve cover; the outer cylinder is sleeved outside the stainless steel inner cylinder, the outer cylinder and the stainless steel inner cylinder are separated by a certain distance to form an accommodating space, and the valve cover is arranged in the accommodating space; the top end and the bottom end of the stainless steel inner cylinder are open and respectively used for inflow and outflow of raw gas; the valve cover is rotatably connected to the outer cylinder and can be rotated to partially cover or completely cover the bottom end of the stainless steel inner cylinder; the top end of the stainless steel inner cylinder is fixedly connected with the top end of the outer cylinder, and a sealing gasket is arranged at the joint between the stainless steel inner cylinder and the outer cylinder; and the outer cylinder is provided with a manhole.
Preferably, a baffle is arranged in the stainless steel inner cylinder, one end of the baffle is fixedly connected with the inner wall of the stainless steel inner cylinder, and the baffle is arranged in a downward inclined mode along the central direction from the inner wall of the stainless steel inner cylinder to the stainless steel inner cylinder.
Preferably, the valve cover is U-shaped, and two ends of the valve cover are respectively connected with the outer cylinder in a rotating way through a rotating shaft.
Preferably, through holes matched with the rotating shaft are correspondingly formed in two sides of the outer cylinder and two sides of the valve cover.
Preferably, one end of the rotating shaft, which is close to the valve cover, is fixedly sleeved with an annular boss; one end of the rotating shaft correspondingly passes through the through hole on the valve cover, and the valve cover is fixedly connected with the annular boss through a bolt; the other end of the rotating shaft penetrates out of the outer cylinder through a through hole in the outer cylinder.
Preferably, the outer cylinder has a cylindrical structure with openings at the upper and lower ends.
The utility model at least comprises the following beneficial effects:
1. the maintenance-free rotary curved surface pressure monotone valve for the coke oven carbonization chamber provided by the utility model resists the corrosion action of ammonia water through the stainless steel inner cylinder; and the sealing gasket is arranged at the joint of the top end of the stainless steel inner cylinder and the top end of the outer cylinder, and a sealing groove is not required to be arranged at the top end of the stainless steel content, so that the manufacturing and assembling process of the maintenance-free coke oven rotary curved surface monotone valve is simplified, and the production cost is reduced.
2. The simple maintenance-free rotary curved surface pressure monotone valve for the coke oven carbonization chamber provided by the utility model ensures the coaxiality requirement of the rotating shaft and the valve cover in the connection of the valve cover and the rotating shaft through the connection mode of the hole and the shaft, and is fixed through the common bolt; the method replaces the connection mode of using a hinged bolt in the prior art, and further simplifies the manufacturing and assembling process of the rotary curved surface monotone valve of the maintenance-free coke oven.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic diagram of a maintenance-free rotary curved surface pressure monotone valve for a coking chamber of a simple coke oven;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1;
FIG. 3 is a schematic view of a baffle plate according to the present utility model;
FIG. 4 is a schematic view of the structure of a prior art monotonic valve outer cylinder;
Detailed Description
The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.
It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are all conventional methods, and the reagents and materials, unless otherwise specified, are all commercially available; in the description of the present utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.
As shown in FIG. 1, the utility model provides a simple maintenance-free rotary curved surface pressure monotone valve for a coke oven carbonization chamber, which comprises the following components: an outer cylinder 1, a stainless steel inner cylinder 2 and a valve cover 5; the outer cylinder 1 is sleeved outside the stainless steel inner cylinder 2, and the outer cylinder 1 and the stainless steel inner cylinder 2 are separated by a certain distance to form an accommodating space; the valve cover 3 is arranged in the accommodating space; the top end and the bottom end of the stainless steel inner cylinder 2 are both open and respectively used for inflow and outflow of raw gas; the valve cover 5 is rotatably connected to the outer cylinder 1, and the valve cover 5 can be rotated to partially cover or completely cover the bottom end of the stainless steel inner cylinder 2; the top end of the stainless steel inner cylinder 2 is fixedly connected with the top end of the outer cylinder 1, and a sealing gasket is arranged at the joint between the stainless steel inner cylinder and the outer cylinder; the outer cylinder 1 is provided with a manhole.
In this kind of technical scheme, raw coke oven gas gets into through the carbomorphism room through the bridge pipe in the stainless steel inner tube 2, the rethread adjust valve lid 5 with the staggered area of the bottom of stainless steel inner tube 2 adjusts the flow area of raw coke oven gas, realizes adjusting raw coke oven gas flow pressure. Considering that the bridge pipe is provided with an ammonia water pipe in a long-open state to spray and cool the bridge pipe and the monotonic valve, the conventional monotonic valve adopts a nodular cast iron inner cylinder, and works for a long time in an ammonia water alkaline state to corrode the inner cylinder greatly, and the wall thickness of the inner cylinder is thinned or even the inner cylinder is corroded, so that the maintenance-free rotary curved surface pressure monotonic valve for the coke oven carbonization chamber provided by the scheme is adopted by the stainless steel inner cylinder 2, the stainless steel inner cylinder 2 can play a role in preventing corrosion, and meanwhile, the wall thickness of the inner cylinder can be reduced to achieve a weight reduction effect. And the top of the inner cylinder and the top of the outer cylinder of the monotone valve are required to be sealed, the sealing groove is required to be processed for installing a sealing rope at the top end of the conventional inner cylinder, and a sealing gasket 3 is arranged at the joint of the top end of the stainless steel inner cylinder 2 and the top end of the outer cylinder 1 for sealing in order to further reduce the manufacturing difficulty. On the other hand, the observation hole is formed in the existing monotone valve inner cylinder, and the monotone valve has a maintenance-free function, so that the internal part can be displayed through other control parameters, and the probability of using the observation hole is low, so that the outer cylinder 1 is provided with the inspection hole, and when the monotone valve fails, the inspection is directly performed through the inspection hole.
In another embodiment, as shown in fig. 3, a baffle 21 is disposed inside the stainless steel inner cylinder 2, one end of the baffle 21 is fixedly connected with the inner wall of the stainless steel inner cylinder 2, and the baffle 21 is disposed in a downward inclined manner along the direction from the inner wall of the stainless steel inner cylinder 2 to the center of the stainless steel inner cylinder 2. Specifically, the baffle 21 may be directly welded to the inner wall of the stainless steel inner cylinder 2, and the specific inclination angle of the baffle 21 may be adjusted according to the actual situation by adjusting the welding angle between the baffle and the stainless steel inner cylinder 2. The baffle 21 is used for gradually reducing the inner cross-sectional area of the stainless steel inner cylinder 2 along the direction from the top to the bottom, so that the flow area of raw gas can be adjusted by adjusting the staggered area of the valve cover 5 and the bottom of the stainless steel inner cylinder 2.
In another embodiment, the valve cover 5 is in a U-like shape, and two ends of the valve cover 5 are respectively connected with the outer cylinder 1 in a rotating way through the rotating shaft 4. Preferably, the bottom of the valve cover 5 is arc-shaped.
Specifically, through holes matched with the rotating shaft 4 are correspondingly formed on both sides of the outer cylinder 1 and both sides of the valve cover 5.
An annular boss 41 is fixedly sleeved at one end of the rotating shaft 4 close to the valve cover 5; after one end of the rotating shaft 4 is correspondingly inserted into the through hole on the valve cover 5, the valve cover 5 is fixedly connected with the annular boss 41 through a bolt; the other end of the rotating shaft 4 passes through the outer cylinder 1 through a through hole on the outer cylinder 1.
In the above technical solution, considering that the existing monotone valve has a complex manufacturing and hinging process by connecting the valve cover with the rotating shaft through the hinging bolt and the positioning bolt, and the difficulty of controlling the coaxiality between the valve cover and the rotating shaft through the hinging hole in the assembling process is relatively high, as shown in fig. 2, the through holes are correspondingly formed on both sides of the outer cylinder 1 and both sides of the valve cover 5, an annular boss 41 is arranged at one end of the rotating shaft 4 close to the valve cover 5, the section of the rotating shaft 4 is inserted into the through hole on the valve cover 5, then the valve cover 5 is fixedly connected with the annular boss 41 through a common bolt, and the coaxiality requirement of the rotating shaft 4 and the valve cover 5 is ensured through the form of hole and shaft connection. Preferably, the annular boss 41 and the rotating shaft 4 are integrally formed. The other end of the rotating shaft 4 penetrates out of the outer cylinder 1 and then can be connected with an executing mechanism to drive the rotating shaft 4 to rotate, so as to drive the valve cover 5 to rotate.
In another embodiment, the outer cylinder 1 has a cylindrical structure with an opening at the upper and lower ends. Referring to fig. 4, a guide 110 is provided at the inner side of the bottom of the conventional outer cylinder 100 for guiding only raw gas. In consideration of the flow pressure of raw gas in the monotone valve, the flow guiding function of the flow guiding part 110 is limited, so that the flow guiding part 110 is omitted to reduce the weight of the whole structure, the outer cylinder 1 is provided with a cylindrical structure with openings at the upper end and the lower end, and the bottom of the outer cylinder 1 is only used as a bearing structure.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (6)
1. A simple maintenance-free rotary curved surface pressure monotone valve for a coke oven carbonization chamber is characterized by comprising the following components: an outer cylinder, a stainless steel inner cylinder and a valve cover; the outer cylinder is sleeved outside the stainless steel inner cylinder, the outer cylinder and the stainless steel inner cylinder are separated by a certain distance to form an accommodating space, and the valve cover is arranged in the accommodating space; the top end and the bottom end of the stainless steel inner cylinder are open and respectively used for inflow and outflow of raw gas; the valve cover is rotatably connected to the outer cylinder and can be rotated to partially cover or completely cover the bottom end of the stainless steel inner cylinder; the top end of the stainless steel inner cylinder is fixedly connected with the top end of the outer cylinder, and a sealing gasket is arranged at the joint between the stainless steel inner cylinder and the outer cylinder; and the outer cylinder is provided with a manhole.
2. The simple maintenance-free rotary curved surface pressure monotone valve for a coke oven carbonization chamber according to claim 1, wherein a baffle is arranged inside the stainless steel inner cylinder, one end of the baffle is fixedly connected with the inner wall of the stainless steel inner cylinder, and the baffle is arranged in a downward inclined manner along the direction from the inner wall of the stainless steel inner cylinder to the center of the stainless steel inner cylinder.
3. The simple maintenance-free rotary curved surface pressure monotone valve for the carbonization chamber of the coke oven as claimed in claim 1, wherein the valve cover is U-like, and two ends of the valve cover are respectively connected with the outer cylinder in a rotating way through a rotating shaft.
4. The maintenance-free rotary curved surface pressure monotone valve for a simple coke oven carbonization chamber as claimed in claim 3, wherein two sides of the outer cylinder and two sides of the valve cover are respectively provided with a through hole matched with the rotating shaft.
5. The maintenance-free rotary curved surface pressure monotone valve for the simple coke oven carbonization chamber of claim 4, wherein one end of the rotating shaft close to the valve cover is fixedly sleeved with an annular boss; one end of the rotating shaft correspondingly passes through the through hole on the valve cover, and the valve cover is fixedly connected with the annular boss through a bolt; the other end of the rotating shaft penetrates out of the outer cylinder through a through hole in the outer cylinder.
6. The maintenance-free rotary curved surface pressure monotone valve for a simple coke oven carbonization chamber as claimed in claim 1, wherein the outer cylinder has a cylindrical structure with openings at the upper and lower ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320992522.9U CN220037500U (en) | 2023-04-27 | 2023-04-27 | Simple maintenance-free rotary curved surface pressure monotone valve for coke oven carbonization chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320992522.9U CN220037500U (en) | 2023-04-27 | 2023-04-27 | Simple maintenance-free rotary curved surface pressure monotone valve for coke oven carbonization chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220037500U true CN220037500U (en) | 2023-11-17 |
Family
ID=88720576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320992522.9U Active CN220037500U (en) | 2023-04-27 | 2023-04-27 | Simple maintenance-free rotary curved surface pressure monotone valve for coke oven carbonization chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220037500U (en) |
-
2023
- 2023-04-27 CN CN202320992522.9U patent/CN220037500U/en active Active
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