CN222526919U - A blind plate valve for smelting flue gas pipeline - Google Patents
A blind plate valve for smelting flue gas pipeline Download PDFInfo
- Publication number
- CN222526919U CN222526919U CN202421380955.XU CN202421380955U CN222526919U CN 222526919 U CN222526919 U CN 222526919U CN 202421380955 U CN202421380955 U CN 202421380955U CN 222526919 U CN222526919 U CN 222526919U
- Authority
- CN
- China
- Prior art keywords
- valve body
- blind plate
- valve
- plate
- flue gas
- 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.)
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Links
- 238000003723 Smelting Methods 0.000 title claims abstract description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims description 26
- 239000003546 flue gas Substances 0.000 title claims description 26
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000010425 asbestos Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 241001062472 Stokellia anisodon Species 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 abstract description 2
- 239000003517 fume Substances 0.000 abstract 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical class [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Sliding Valves (AREA)
Abstract
本实用新型涉及盲板阀技术领域，本实用新型提供了一种冶炼烟气管道用盲板阀，包括阀体，阀体两端分别连通有进气管和出气管，阀体顶端可拆卸密封连接有顶板，阀体底端可拆卸密封连接有底板，阀体内设置有密封扣设于进气管管口的盲板，阀体上密封活动连接有用于顶推盲板抵紧进气管管口的顶杆，出气管外壁固定有锁紧螺母，锁紧螺母螺纹连接有用于顶推顶杆的锁紧螺栓，通过设于出气管外壁上的锁紧螺母和与之配合的锁紧螺栓，旋拧锁紧螺栓，推动顶杆，压紧盲板于进气管管口，便于快速实现切断密封，操作简单，提高了阀门转换效率和使用寿命，同时，顶板和底板可拆卸设计，提高了装置清理的便捷性。
The utility model relates to the technical field of blind plate valves. The utility model provides a blind plate valve for smelting fume pipeline, comprising a valve body, wherein two ends of the valve body are respectively connected with an air inlet pipe and an air outlet pipe, the top end of the valve body is detachably and sealingly connected with a top plate, the bottom end of the valve body is detachably and sealingly connected with a bottom plate, a blind plate arranged at the pipe opening of the air inlet pipe is arranged in the valve body, a sealing buckle is movably connected with a push rod for pushing the blind plate to tighten the pipe opening of the air inlet pipe on the valve body, a locking nut is fixed on the outer wall of the air outlet pipe, and a locking bolt for pushing the push rod is threadedly connected to the locking nut through the locking nut arranged on the outer wall of the air outlet pipe and the locking bolt matched therewith, the locking bolt is screwed to push the push rod and press the blind plate to the pipe opening of the air inlet pipe, so as to quickly realize the cutting off of the seal, and the operation is simple, thereby improving the conversion efficiency and service life of the valve, and at the same time, the detachable design of the top plate and the bottom plate improves the convenience of cleaning the device.
Description
Technical Field
The utility model relates to the technical field of blind plate valves, in particular to a blind plate valve for a smelting flue gas pipeline.
Background
The main component of smelting flue gas generated in the smelting process of the smelting furnace and the blowing process of the converter of copper concentrate is SO 2, the smelting flue gas is conveyed to an acid making process to produce sulfuric acid through a high-temperature fan, and the heat-preservation flue gas side is switched to enter a purification process through a flue gas pipeline system valve to be desulfurized and then is emptied. The sealing valve plays a vital role, after the existing sealing valve operates in a smelting SO 2 flue gas environment under a long-period constant state, arsenic salt crystals are precipitated on the sealing surfaces of the valve body and the valve, the crystals are difficult to extrude and cut off by rotation of the valve plate, the valve plate is easy to clamp and cannot achieve a sealing and cutting-off effect, the valve body and the pipeline are connected to form a closed space, arsenic salt crystals on the valve plate of the valve body cannot be cleaned in the pipeline during the pre-repair of a production gap, namely, the sealing leakage fault of the valve cannot be effectively and timely maintained.
Disclosure of utility model
The utility model aims to provide a blind plate valve for a smelting flue gas pipeline, which solves the technical problems, improves the conversion efficiency and the service life of the valve, and increases the cleaning convenience of the device.
The blind plate valve for the smelting flue gas pipeline comprises a valve body, wherein two ends of the valve body are respectively communicated with an air inlet pipe and an air outlet pipe, the top end of the valve body is detachably and hermetically connected with a top plate, the bottom end of the valve body is detachably and hermetically connected with a bottom plate, a blind plate which is hermetically buckled on the pipe orifice of the air inlet pipe is arranged in the valve body, a push rod for pushing the blind plate to tightly prop against the pipe orifice of the air inlet pipe is hermetically and movably connected with the valve body, a locking nut is fixed on the outer wall of the air outlet pipe, and a locking bolt for pushing the push rod is in threaded connection with the locking nut.
Further, the top of the valve body is provided with a connecting hole, a cross rod transversely stretching on the top plate is connected in the connecting hole, and a triangular wedge is arranged between the cross rod and the top plate.
Further, the blind plate is buckled and is provided with two concentric ring strips on the end face of the air inlet pipe, a sealing ring is arranged between the two ring strips in a matched mode, and the sealing ring and the two ring strips are all in butt joint with the inner wall of the valve body.
Preferably, the sealing ring adopts asbestos packing.
Further, the top end of the blind plate is provided with a lifting ring, and the top plate is provided with an avoidance cavity for avoiding the lifting ring.
Further, the lock nuts are uniformly arranged along the circumferential outer wall of the air outlet pipe.
Further, the pushing directions of the locking bolt and the ejector rod are parallel to the axes of the air inlet pipe and the air outlet pipe.
The utility model has the advantages that the locking nut arranged on the outer wall of the air outlet pipe and the locking bolt matched with the locking nut are used for screwing the locking bolt, the ejector rod is pushed, the blind plate is pressed on the pipe orifice of the air inlet pipe, the cutting-off sealing is conveniently and rapidly realized, the operation is simple, the conversion efficiency and the service life of the valve are improved, and meanwhile, the top plate and the bottom plate are designed in a detachable way, and the cleaning convenience of the device is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a blind plate valve for a smelting flue gas pipeline;
FIG. 2 is a partial enlarged view of a blind plate valve for a smelting flue gas pipeline, provided by the utility model;
FIG. 3 is a side view of a blind plate valve for a smelting flue gas pipeline, provided by the utility model;
FIG. 4 is a schematic diagram of the structure of a valve body in a blind plate valve for a smelting flue gas pipeline;
FIG. 5 is a schematic diagram of the structure of a blind plate in a blind plate valve for a smelting flue gas pipeline;
FIG. 6 is a side sectional view of a blind plate in a blind plate valve for a smelting flue gas pipeline, provided by the utility model;
FIG. 7 is a schematic diagram of the structure of a top plate in a blind plate valve for a smelting flue gas pipeline;
The icon comprises a 1-valve body, a 10-connecting hole, a 11-air inlet pipe, a 12-air outlet pipe, a 13-top plate, a 131-avoidance cavity, a 14-bottom plate, a 15-positioning bolt, a 2-blind plate, a 21-ring strip, a 22-sealing ring, a 23-lifting ring, a 3-ejector rod, a 41-locking nut, a 42-locking bolt, a 5-cross rod and a 6-triangular wedge.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1-7, in this embodiment, mainly disclose a kind of smelting blind plate valve for flue gas pipeline, easy to operate, low in cost, including the valve body 1, there are intake pipe 11 and air outlet pipe 12 in the both ends of the valve body 1 are communicated with separately, the top of the valve body 1 can dismantle the seal connection has roof 13, the bottom of the valve body 1 can dismantle the seal connection has floor 14, there is blind plate 2 sealed and fastened to locate the mouth of pipe of intake pipe 11 in the valve body 1, there is a push rod 3 used for pushing the blind plate 2 to tightly against the mouth of pipe of intake pipe 11 on the valve body 1 to seal and movably connect with, the outer wall of air outlet pipe 12 is fixed with the lock nut 41, the lock nut 41 threaded connection has locking bolt 42 used for pushing the push rod 3, it is to need to state that the pipe diameter of intake pipe 11 is identical and coaxial arrangement of air outlet pipe 12, and mouth of pipe of air outlet pipe 11 and air outlet pipe 12 are all flush with inner wall of valve body 1, facilitate scraping arsenic salt crystallization in the valve body 1; the valve body 1 is a rectangular cavity structure formed by welding Q235 steel plates with the thickness of 10mm, the top end opening of the valve body is convenient for extracting and inserting the blind plate 2 in the interior, the bottom end opening of the valve body is convenient for periodically discharging and cleaning arsenic salt crystals, the bottom plate 14 can be connected to the bottom end of the valve body 1 through bolts, the blind plate 2 can move between the air inlet pipe 11 and the air outlet pipe 12 in the cavity of the valve body 1, the valve body 1 is provided with a positioning bolt 15 for positioning a point for propping up the position of the blind plate 2, the positioning bolt 15 is internally and hermetically movably connected with a push rod 3, one end of the push rod 3 is positioned in the valve body 1, the other end of the push rod 3 is positioned outside the valve body 1, a locking nut 41 is used as a stress pivot for propping up the blind plate 2, the blind plate 2 is propped up by indirectly exerting force through the push rod 3 and the locking nut 41 matched with the locking nut, the locking nut is effectively isolated from being contacted with the flue gas environment, the connecting screw thread is prevented from being corroded and damaged by smoke, the service life of the structure is prolonged, when a pipeline needs to be cut and sealed, the blind plate 2 is inserted into the valve body 1, the locking bolt 42 can be screwed by an electric wrench to push the ejector rod 3 to press the blind plate 2, cutting is achieved rapidly, when the pipeline needs to be switched to be used as a channel, the locking bolt 42 is loosened, a crow bar is inserted between the ejector rod 3 and the positioning bolt 15, the ejector rod 3 is pried, tight contact between the ejector rod 3 and the blind plate 2 is relieved, the top plate 13 is uncovered, and after the blind plate 2 is taken out, the top plate 13 is connected in a sealing mode again.
Further, in the implementation, as shown in fig. 1, 2 and 4, a connection hole 10 is provided at the top of the valve body 1 provided in the embodiment of the present utility model, a cross rod 5 stretching on a top plate 13 is connected in the connection hole 10, a triangular wedge 6 is provided between the cross rod 5 and the top plate 13, specifically, a sealing strip contacting with the top end of the valve body 1 may be provided below the top plate 13, and the top plate 13 is pressed against the top end of the valve body 1 by inserting the triangular wedge 6 between the cross rod 5 and the top plate 13, so as to play a sealing role, and effectively ensure stability and sealing performance of the valve body 1.
In particular, as shown in fig. 2, 5 and 6, the blind plate 2 provided by the embodiment of the utility model is buckled on the end surface of the air inlet pipe 11, two concentrically arranged ring strips 21 are arranged, a sealing ring 22 is cooperatively arranged between the two ring strips 21, the sealing ring 22 and the two ring strips 21 are both abutted against the inner wall of the valve body 1, the sealing ring 22 adopts asbestos packing, the blind plate 2 can be made of a stainless steel plate with the thickness of 10mm, the size of the blind plate is at least 5cm greater than the outer diameters of the air inlet pipe 11 and the air outlet pipe 12, the two ring strips 21 can be made of stainless steel materials and welded on the blind plate 2, a groove for cooperatively installing the asbestos packing is formed between the two ring strips 21, the diameter of the ring strips 21 is ensured to be greater than the diameter of the air inlet pipe orifice, and the ring strips 21 and the air inlet pipe orifice are coaxially arranged.
Further, in the specific implementation, as shown in fig. 5-7, the top end of the blind plate 2 provided by the embodiment of the utility model is provided with the lifting ring 23, the top plate 13 is provided with the avoiding cavity 131 for avoiding the lifting ring 23, and it should be noted that the lifting ring 23 is arranged at the center of the top end of the blind plate 2 to ensure the lifting stability, and in addition, the installation position of the cross rod 5 should avoid interference with the avoiding cavity 131.
Further, in the embodiment, as shown in fig. 1-3, a plurality of locking nuts 41 are uniformly arranged along the outer wall of the circumference of the air outlet pipe 12, and the locking forces are uniformly distributed, so as to ensure the stability and tightness of the pressing of the blind plate 2.
Further, in the implementation, as shown in fig. 1 and 2, the pushing directions of the locking bolt 42 and the ejector rod 3 provided in the embodiment of the utility model are parallel to the axes of the air inlet pipe 11 and the air outlet pipe 12, so that the locking bolt 42 can be conveniently and rapidly adjusted to push the ejector rod 3 to abut against the blind plate 2.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a smelt blind plate valve for flue gas pipeline, includes valve body (1), there is intake pipe (11) and outlet duct (12) valve body (1) both ends intercommunication respectively, a serial communication port, sealing connection has roof (13) can be dismantled on valve body (1) top, sealing connection has bottom plate (14) can be dismantled to valve body (1) bottom, be provided with in valve body (1) sealed knot to locate intake pipe (11) orificial blind plate (2), sealing swing joint has and is used for the top on valve body (1) blind plate (2) support tightly intake pipe (11) orificial ejector pin (3), outlet duct (12) outer wall is fixed with lock nut (41), lock nut (41) threaded connection has and is used for the top locking bolt (42) of ejector pin (3).
2. A blind plate valve for a smelting flue gas pipeline according to claim 1, wherein a connecting hole (10) is formed in the top of the valve body (1), a cross rod (5) transversely stretching over the top plate (13) is connected in the connecting hole (10), and a triangular wedge (6) is arranged between the cross rod (5) and the top plate (13).
3. The blind plate valve for the smelting flue gas pipeline according to claim 1, wherein the blind plate (2) is buckled on the end face of the air inlet pipe (11) and is provided with two concentrically arranged annular strips (21), sealing rings (22) are matched between the two annular strips (21), and the sealing rings (22) and the two annular strips (21) are in butt joint with the inner wall of the valve body (1).
4. A blind valve for a smelting flue gas duct according to claim 3, characterised in that the sealing ring (22) is an asbestos packing.
5. A blind plate valve for a smelting flue gas pipeline according to claim 1, wherein the top end of the blind plate (2) is provided with a lifting ring (23), and the top plate (13) is provided with an avoidance cavity (131) for avoiding the lifting ring (23).
6. A blind valve for a smelting flue gas duct according to claim 1, characterised in that the locking nuts (41) are uniformly arranged in plurality along the peripheral outer wall of the outlet duct (12).
7. A blind valve for a smelting flue gas pipeline according to claim 1, wherein the pushing directions of the locking bolt (42) and the ejector rod (3) are parallel to the axes of the air inlet pipe (11) and the air outlet pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421380955.XU CN222526919U (en) | 2024-06-17 | 2024-06-17 | A blind plate valve for smelting flue gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421380955.XU CN222526919U (en) | 2024-06-17 | 2024-06-17 | A blind plate valve for smelting flue gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222526919U true CN222526919U (en) | 2025-02-25 |
Family
ID=94679201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421380955.XU Active CN222526919U (en) | 2024-06-17 | 2024-06-17 | A blind plate valve for smelting flue gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222526919U (en) |
-
2024
- 2024-06-17 CN CN202421380955.XU patent/CN222526919U/en active Active
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