CN215720998U - Electric three-way flue gas switching valve and double-flue sintering system thereof - Google Patents
Electric three-way flue gas switching valve and double-flue sintering system thereof Download PDFInfo
- Publication number
- CN215720998U CN215720998U CN202122218802.8U CN202122218802U CN215720998U CN 215720998 U CN215720998 U CN 215720998U CN 202122218802 U CN202122218802 U CN 202122218802U CN 215720998 U CN215720998 U CN 215720998U
- Authority
- CN
- China
- Prior art keywords
- switching valve
- electric
- flue gas
- flue
- way
- 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.)
- Active
Links
Images
Landscapes
- Multiple-Way Valves (AREA)
Abstract
The utility model provides an electric three-way flue gas switching valve and a double-flue sintering system thereof, which comprise a valve air inlet cylinder, a first outlet pipeline, a second outlet pipeline, a valve bag body, a turning plate and a first driving assembly, wherein the turning plate and the first driving assembly are arranged in the valve bag body; the sieve plate is connected with the second driving assembly, the sieve plate covers or opens sieve holes under the driving of the second driving assembly, pressure balance of two sides of the turning plate is achieved, the acting force of pressure difference on the turning plate of the switching valve is reduced, and rapid switching is achieved. Secondly, through setting up locking device, make to turn over between board and the barrel sealed tight, avoid turning over board sealing department flue gas leakage. In addition, the valve bag body is arranged in a sphere shape, so that the interior of the valve bag body is smooth, and the smoke circulation is smooth.
Description
Technical Field
The utility model relates to the technical field of ferrous metallurgy, in particular to an electric three-way flue gas switching valve and a double-flue sintering system thereof.
Background
The steel industry is one of the main industries in China, and the energy consumption of the steel industry accounts for about 15 percent of the national energy consumption. From the analysis of the process flow of the steel industry, sintering is taken as a main energy consumption process, and has the outstanding disadvantages of high energy consumption, high pollution, low waste heat utilization and the like. The sintering process flow is from raw fuel entering a factory to finished product sinter output and comprises fuel receiving, fuel crushing, iron-containing material receiving, proportioning, mixing, granulating, sintering, cooling, screening and finishing, finished product sampling and finished product output, wherein the sintering refers to air draft sintering of the mixture under the negative pressure action of a main exhaust fan after ignition, and a sintering belt moves forwards uniformly. Along with the progress of the sintering process, a large amount of sintering flue gas is continuously generated, wherein the sintering flue gas also contains some pollutant flue gases including sulfur dioxide, nitrogen oxides, dust particles, dioxin and the like. The original emission mode of the flue gas of the sintering machine is as follows: the flue gas of each branch pipe of the sintering machine air box is respectively discharged to the corresponding large flue, the flue gas is mixed in the large flue and then is powered by the main exhaust fan to be sent to the electric dust remover for dust removal, and then is discharged through a chimney after desulfurization and denitrification.
In the double flue sintering process, the mixture carries out convulsions sintering under the effect of main air exhauster negative pressure after igniting on the sintering machine, and for the flue gas temperature in two big flues of balance, conventional operation sets up three-way flue gas diverter valve at the bellows branch pipe department between partial sintering big flue and the sintering machine bellows, switches the flue gas trend in the bellows branch pipe through three-way flue gas diverter valve and gets into in different big flues, and this kind of sintering system mainly includes: the device comprises a sintering machine, an actuator, a first sintering machine air box, a second sintering machine air box, a first three-way flue gas switching valve, a second three-way flue gas switching valve, a first air box branch pipe, a second air box branch pipe, a first large flue and a second large flue. The sintering machine is arranged on the platform, the sintering machine is respectively connected with a first three-way flue gas switching valve and a second three-way flue gas switching valve through a first sintering machine air box and a second sintering machine air box, an actuator guide rod is connected with the first sintering machine air box and the second sintering machine air box, two three-way outlets of the first three-way flue gas switching valve are respectively connected with a first air box branch pipe and a second air box branch pipe, the first air box branch pipe is communicated with a first large flue, the second air box branch pipe is communicated with a second large flue, two three-way outlets of the second three-way flue gas switching valve are respectively connected with a third air box branch pipe and a fourth air box branch pipe, the third air box branch pipe is communicated with the second large flue, and the fourth air box branch pipe is communicated with the first large flue.
However, in the actual switching process of the flue gas, a large pressure difference exists between two sides of a turnover plate of the switching valve, so that the flap valve cannot be freely switched; the turnover plate is not tightly closed with the cylinder due to frequent fluctuation of air volume and air speed, and smoke at the sealing position of the turnover plate leaks; the air duct and the large flue are arranged compactly, so that the switching valve is required to reduce the volume and the dead weight as much as possible and reduce the installation space on the premise of high temperature resistance, wear resistance and certain strength.
In view of the above, it is desirable to provide an electric three-way flue gas switching valve and a dual flue sintering system thereof to solve or at least alleviate the above drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an electric three-way flue gas switching valve and a double-flue sintering system thereof, which aim to solve the problem that a flap valve cannot be freely switched due to the large pressure difference between two sides of a flap plate of the switching valve in the actual flue gas switching process of the conventional three-way flue gas switching valve; the turnover plate is not tightly closed with the cylinder due to frequent fluctuation of air volume and air speed, and smoke at the sealing position of the turnover plate leaks; the air duct and the large flue are arranged compactly, so that the switching valve is required to reduce the volume and dead weight as much as possible and reduce the installation space on the premise of high temperature resistance, wear resistance and certain strength.
In order to achieve the purpose, the utility model provides an electric three-way flue gas switching valve which comprises a valve air inlet cylinder, a first outlet pipeline, a second outlet pipeline, a valve bag body, a turning plate and a first driving assembly, wherein the valve bag body is connected with the valve air inlet cylinder, the first outlet pipeline and the second outlet pipeline; the driving assembly drives the turning plate to turn so as to switch the communication between the valve air inlet cylinder and the first outlet pipeline and the second outlet pipeline; it is characterized in that the preparation method is characterized in that,
the turning plate is provided with a plurality of sieve holes penetrating through the turning plate, the turning plate is also provided with a plurality of sieve plates which are in one-to-one correspondence with the sieve holes, and the sieve plates can be slidably arranged on the turning plate; the sieve plate is connected with a second driving assembly, and the sieve plate is driven by the second driving assembly to shield or open the sieve holes.
Preferably, the first driving assembly comprises a driving motor, a connecting rod connected with the driving motor, and a flap shaft; the turnover plate shaft is connected between the turnover side of the turnover plate and the connecting rod, so that the connecting rod is driven by the driving motor to drive the turnover plate to turn over.
Preferably, the second driving assembly comprises a telescopic connecting rod, the telescopic connecting rod comprises a first end and a second end which are oppositely arranged, the first end is fixedly connected with the turning plate shaft, the second end is connected with the sieve plate, and the sieve plate is matched with the sieve holes in shape; the turning plate is a sandwich plate, the position, close to the sieve holes, of the interlayer space of the turning plate is provided with a sliding groove for the sieve plate to slide and extend along the radial direction of the sieve holes, so that the sieve plate can slide along the sliding groove to shield or open the sieve holes.
Preferably, the valve further comprises a locking device, wherein the locking device comprises an electromagnet arranged in an interlayer space at the free end of the turning plate, and a first locking device and a second locking device which are arranged on the inner wall of the valve bag body and correspond to the electromagnet; the first locking device is arranged on one side close to the first outlet pipeline, and the second locking device is arranged on one side close to the second outlet pipeline.
Preferably, the first locking device and the second locking device are both permanent magnets, and the electromagnet is a power-off type sucker electromagnet.
Preferably, a plurality of the sieve holes are arranged at intervals along the circumferential direction of the turning plate.
Preferably, the valve enclosure is in the shape of a ball.
Preferably, the valve air inlet cylinder and the valve bag body are integrally formed.
The utility model also provides a double-flue sintering system which comprises a sintering machine arranged on a platform, an actuator arranged on the sintering machine, a first sintering machine air box and a second sintering machine air box which are connected with the sintering machine, a first flue and a second flue, and also comprises the first electric three-way flue gas switching valve and the second electric three-way flue gas switching valve.
Preferably, the system further comprises a first bellows branch pipe, a second bellows branch pipe, a third bellows branch pipe and a fourth bellows branch pipe; the two ends of the first air box branch pipe are respectively connected with the first flue and the first outlet pipeline of the first electric three-way flue gas switching valve, the two ends of the second air box branch pipe are respectively connected with the second flue and the second outlet pipeline of the first electric three-way flue gas switching valve, the two ends of the third air box branch pipe are respectively connected with the second flue and the first outlet pipeline of the second electric three-way flue gas switching valve, and the two ends of the fourth air box branch pipe are respectively connected with the first flue and the second outlet pipeline of the second electric three-way flue gas switching valve.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides an electric three-way flue gas switching valve and a double-flue sintering system thereof, which comprise a valve air inlet cylinder, a first outlet pipeline, a second outlet pipeline, a valve bag body, a turning plate and a first driving assembly, wherein the turning plate and the first driving assembly are arranged in the valve bag body; the sieve plate is connected with the second driving assembly, the sieve plate covers or opens sieve holes under the driving of the second driving assembly, pressure balance of two sides of the turning plate is achieved, the acting force of pressure difference on the turning plate of the switching valve is reduced, and rapid switching is achieved. Secondly, through setting up locking device, make to turn over between board and the barrel sealed tight, avoid turning over board sealing department flue gas leakage. In addition, the valve bag body is arranged in a sphere shape, so that the interior of the valve bag body is smooth, and the smoke circulation is smooth.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a flap in one embodiment of the present invention;
fig. 3 is a schematic view of a closed state of a sieve opening in an embodiment of the utility model;
fig. 4 is a schematic view of an embodiment of the present invention with the screen openings open;
FIG. 5 is a schematic view of the structure at the locking device in one embodiment of the present invention;
FIG. 6 is a schematic view of a dual flue sintering system in an embodiment of the present invention.
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
The reference numbers illustrate:
an electric three-way flue gas switching valve 10; a first electric three-way flue gas switching valve 11; a second electric three-way flue gas switching valve 12; a valve air inlet cylinder 100; a first outlet conduit 110; a second outlet conduit 120; a valve enclosure 130; a flap 131; a screen opening 132; a screen plate 133; a first drive assembly 140; a driving motor 141; a connecting rod 142; a flap shaft 143; a second drive assembly 150; a telescopic link 151; a first end 1511; a second end 1512; a chute 160; a locking device 170; an electromagnet 171; a first locking device 172; the second locking device 173; a control system 180;
a sintering machine 20; an actuator 200; a first sinter machine windbox 210; a second sintering machine windbox 220; a first flue 230; a second flue 240; a first windbox branch pipe 250; a second bellows manifold 260; a third windbox branch 270; a fourth windbox manifold 280.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 6, an electric three-way flue gas switching valve 10 in an embodiment of the present invention includes a valve air inlet cylinder 100, a first outlet pipe 110, a second outlet pipe 120, a valve bag body 130 connected to the valve air inlet cylinder 100, the first outlet pipe 110, and the second outlet pipe 120, a turning plate 131 disposed in the valve bag body 130, and a first driving assembly 140. The first driving assembly 140 drives the flap 131 to turn over to switch the communication between the valve air inlet cylinder 100 and the first outlet pipe 110 and the second outlet pipe 120. Specifically, the flue gas enters the valve enclosure 130 through the valve air inlet cylinder 100, a turning plate 131 is arranged in the valve enclosure 130, and the turning plate 131 is driven by the first driving assembly 140. According to the distribution condition of the flue gas, the flue gas is switched through the turning plate 131 and enters the corresponding flue through the first outlet pipeline 110 and the second outlet pipeline 120.
The turning plate 131 is provided with a plurality of sieve holes 132 penetrating through the turning plate 131, the turning plate 131 is also provided with a plurality of sieve plates 133 corresponding to the sieve holes 132 one by one, and the sieve plates 133 can be slidably mounted on the turning plate 131; the screen plate 133 is connected with the second driving assembly 150, and the screen plate 133 covers or opens the screen hole 132 under the driving of the second driving assembly 150. It should be understood by those skilled in the art that the number of the sieve holes 132 can be set according to actual requirements, the sieve holes 132 are used for balancing the pressure difference between the two sides of the turning plate 131 to realize the free switching of the turning plate 131, and the sieve plate 133 is used for shielding or opening the sieve holes 132. It should be noted that the screen plate 133 is slidably mounted on the turning plate 131, for example, the screen plate 133 may be disposed on the surface of the turning plate 131, and the second driving assembly 150 drives the screen plate 133 to slide along the outer surface of the screen plate 133, so that the screen plate 133 covers or opens the screen hole 132. For another example, the flap 131 may be provided as a sandwich panel or the flap 131 may be provided in a hollow form, and the screen plate 133 may be driven by the second driving assembly 150 to shield or open the screen hole 132.
As a preferred embodiment of the present invention, the first driving assembly 140 includes a driving motor 141, a connecting rod 142 connected to the driving motor 141, and a flap 131 shaft; the turning plate 131 is connected between the turning side of the turning plate 131 and the connecting rod 142 in a shaft manner, so that the connecting rod 142 is driven by the driving motor 141 to drive the turning plate 131 to turn. Specifically, the driving motor 141 may be controlled by a control system 180, for example, when the turning plate 131 needs to be switched, the control system 180 controls the driving motor 141 to drive the connecting rod 142, so as to drive the turning shaft to rotate, thereby driving the turning plate 131 to turn.
As a preferred embodiment of the present invention, the second driving assembly 150 includes a telescopic link 151, the telescopic link 151 includes a first end 1511 and a second end 1512 that are disposed opposite to each other, the first end 1511 is pivotally connected to the turning plate 131, the second end 1512 is connected to the screening plate 133, and the screening plate 133 matches with the shape of the screening hole 132; the turning plate 131 is a sandwich plate, and a sliding groove 160 for the screen plate 133 to slide and to extend along the radial direction of the screen hole 132 is formed in the position, close to the screen hole 132, of the interlayer space of the turning plate 131, so that the screen hole 132 is shielded or opened by the sliding of the screen plate 133 along the sliding groove 160.
It should be noted that the shape of the screening deck 133 needs to match the shape of the screening holes 132 to ensure that the screening deck 133 can completely cover the screening holes 132 when the screening holes 132 need to be closed. Furthermore, the provision of the flap 131 in the form of a sandwich panel also allows the deadweight to be reduced to some extent.
Those skilled in the art should understand that the implementation process of the embodiment is as follows: the control system 180 firstly controls the telescopic connecting rod 151 to push the sieve plate 133 to contract and slide along the sliding groove 160 until the sieve holes 132 are completely opened, pressure difference on two sides of the balance turning plate 131 is released, the power-off type sucker electromagnet 171 is electrified and de-energized, the turning plate 131 is disconnected with the first position permanent magnet, then the driving motor 141 is controlled to drive the turning plate shaft 143 to turn over, then the power-off type sucker electromagnet 171 is electrified and de-energized, the turning plate 131 is locked and connected with the second position permanent magnet, after the action is completed, the control system 180 controls the telescopic connecting rod 151 to expand and slide along the sliding groove to push the sieve holes 132 to close, and a switching process is completed.
As another preferred embodiment of the present invention, the present invention further comprises a locking device 170, wherein the locking device 170 comprises an electromagnet 171 arranged in the interlayer space of the free end of the turning plate 131, a first locking device 172 and a second locking device 173 arranged on the inner wall of the valve inclusion 130 and corresponding to the electromagnet 171; wherein the first locking device 172 is disposed at a side close to the first outlet pipe 110, and the second locking device 173 is disposed at a side close to the second outlet pipe 120.
As will be understood by those skilled in the art, in order to seal the flap 131 and the valve bag body 130 tightly, and avoid the problems of smoke leakage due to frequent fluctuation of air volume and air speed, structural defects of the valve bag body 130 itself, and no flap 131 locking device, which causes the flap 131 and the valve bag body 130 to be closed loosely, the present embodiment introduces a locking device 170, wherein the electromagnet 171 is connected to the control system 180, and the control system 180 controls the electromagnet 171 to be powered on and off, so as to connect and disconnect the electromagnet 171 to and from the first locking device 172 and the second locking device 173, it can be understood that the first locking device 172 and the second locking device 173 should be adsorbed by the electromagnet 171, may be a permanent magnet, may be an electromagnet 171, the electromagnetic device can also be a metal piece which can be adsorbed by the electromagnet 171, and is specifically selected according to actual needs.
In an embodiment, the first locking device 172 and the second locking device 173 are both permanent magnets, and the electromagnet 171 is a de-energized type suction cup electromagnet 171. Specifically, the power-off type sucker electromagnet 171 is electrified and demagnetized, the magnetic field of the permanent magnet in the coil is offset, so that the attraction surface is nonmagnetic, and the power-off type sucker electromagnet 171 is disconnected from the permanent magnet arranged in the valve inclusion 130 under the driving of the shaft of the turning plate 131; similarly, the breaking point of the power-loss type sucker electromagnet 171 is magnetic, and the attraction surface is magnetic, so that the turning plate 131 is locked at the current working position.
When the turning plate 131 is located at the position of the first locking device 172 and needs to be switched, the deenergized suction cup electromagnet 171 is electrified and demagnetized, the turning plate 131 is disconnected with the permanent magnet arranged at the inner side of the valve bag body 130 at the current position, the driving motor 141 drives the turning plate 131 to switch the turning plate 131 to the second locking device 173, and at the moment, the deenergized suction cup electromagnet 171 is deenergized and disconnected with the permanent magnet arranged at the inner side of the valve bag body 130 at the second locking device 173 at the current position, and vice versa.
As a specific example of the present invention, a plurality of the sieve holes 132 are arranged at intervals along the circumferential direction of the flap 131. It should be noted that the plurality of the sieve holes 132 are arranged at intervals along the circumferential direction of the turning plate 131, so as to ensure the mechanical strength of the turning plate 131 to the maximum extent, and it should be understood that in other embodiments, the arrangement manner of the plurality of the sieve holes 132 may be in other forms, and only the pressure difference between two sides of the turning plate 131 needs to be adjusted.
Further, the valve enclosure 130 is in a ball shape. It should be understood by those skilled in the art that the valve enclosure 130 in the prior art has a square structure, and after the flue gas enters the valve enclosure, a circulation "dead zone" may be generated in the valve enclosure 130, so that the flue gas flows unsmoothly, and by arranging the valve enclosure 130 in a spherical shape, the present application realizes a smooth and uniform transition of the inner wall of the valve enclosure 130, so that the flue gas flows smoothly, and also can reduce the volume and the dead weight to some extent, and reduce the installation space.
Further, the valve air inlet cylinder 100 and the valve bag body 130 are integrally formed. The valve air inlet cylinder 100 and the valve inclusion 130 are integrally formed so as to facilitate mass and standardized production.
The utility model also provides a double-flue sintering system which comprises a sintering machine 20 arranged on a platform, an actuator 200 arranged on the sintering machine 20, a first sintering machine air box 210 and a second sintering machine air box 220 which are connected with the sintering machine 20, a first flue 230 and a second flue 240, and also comprises two electric three-way flue gas switching valves 10 which are respectively a first electric three-way flue gas switching valve 11 and a second electric three-way flue gas switching valve 12, wherein the first sintering machine air box 210 is communicated with the first flue 230 and the second flue 240 through the first electric three-way flue gas switching valve 11, and the second sintering machine air box 220 is communicated with the second flue 240 and the first flue 230 through the second electric three-way flue gas switching valve 12. The mixture is subjected to negative pressure sintering in the sintering machine 20, sintering flue gas enters the first sintering machine air box 210 or the second sintering machine air box 220 under the control of the actuator 200, and the flue gas can be switched to enter the first flue 230 or the second flue 240 by the electric three-way flue gas switching valve 10, so that the subsequent flue gas process treatment is facilitated, the energy consumption is reduced, and the corrosion effect of the flue gas on the purification equipment is reduced.
The actuator 200 may be provided at one side of the sintering machine 20. Of course, those skilled in the art should understand that the utility model is not limited thereto.
Further, a first bellows leg 250, a second bellows leg 260, a third bellows leg 270, and a fourth bellows leg 280; two ends of the first bellows branch pipe 250 are respectively connected to the first flue 230 and the first outlet pipeline 110 of the first electric three-way flue gas switching valve 10, two ends of the second bellows branch pipe 260 are respectively connected to the second flue 240 and the second outlet pipeline 120 of the first electric three-way flue gas switching valve 10, two ends of the third bellows branch pipe 270 are respectively connected to the first outlet pipeline 110 of the second flue 240 and the second electric three-way flue gas switching valve 10, and two ends of the fourth bellows branch pipe 280 are respectively connected to the second outlet pipeline 120 of the first flue 230 and the second electric three-way flue gas switching valve 10.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An electric three-way flue gas switching valve comprises a valve air inlet cylinder, a first outlet pipeline, a second outlet pipeline, a valve bag body connected with the valve air inlet cylinder, the first outlet pipeline and the second outlet pipeline, a turning plate arranged in the valve bag body, and a first driving assembly; the driving assembly drives the turning plate to turn so as to switch the communication between the valve air inlet cylinder and the first outlet pipeline and the second outlet pipeline; it is characterized in that the preparation method is characterized in that,
the turning plate is provided with a plurality of sieve holes penetrating through the turning plate, the turning plate is also provided with a plurality of sieve plates which are in one-to-one correspondence with the sieve holes, and the sieve plates can be slidably arranged on the turning plate; the sieve plate is connected with a second driving assembly, and the sieve plate is driven by the second driving assembly to shield or open the sieve holes.
2. The electric three-way flue gas switching valve according to claim 1, wherein the first driving assembly comprises a driving motor, a connecting rod connected with the driving motor, and a flap shaft; the turnover plate shaft is connected between the turnover side of the turnover plate and the connecting rod, so that the connecting rod is driven by the driving motor to drive the turnover plate to turn over.
3. The electric three-way smoke switching valve according to claim 2, wherein the second driving assembly comprises a telescopic connecting rod, the telescopic connecting rod comprises a first end and a second end which are oppositely arranged, the first end is fixedly connected with the flap shaft, the second end is connected with the sieve plate, and the sieve plate is matched with the sieve holes in shape; the turning plate is a sandwich plate, the position, close to the sieve holes, of the interlayer space of the turning plate is provided with a sliding groove for the sieve plate to slide and extend along the radial direction of the sieve holes, so that the sieve plate can slide along the sliding groove to shield or open the sieve holes.
4. The electric three-way smoke switching valve according to claim 3, further comprising a locking device, wherein the locking device comprises an electromagnet arranged in an interlayer space at the free end of the turning plate, a first locking device and a second locking device which are arranged on the inner wall of the valve bag body and correspond to the electromagnet; the first locking device is arranged on one side close to the first outlet pipeline, and the second locking device is arranged on one side close to the second outlet pipeline.
5. The electric three-way smoke switching valve according to claim 4, wherein the first locking device and the second locking device are both permanent magnets, and the electromagnet is a power-off type suction cup electromagnet.
6. The electric three-way flue gas switching valve according to claim 3, wherein a plurality of the sieve holes are arranged at intervals along the circumferential direction of the turning plate.
7. The electric three-way flue gas switching valve according to any one of claims 1 to 6, wherein the valve enclosure is in a ball shape.
8. The electric three-way smoke switching valve according to any one of claims 1 to 6, wherein the valve air inlet cylinder and the valve bag body are integrally formed.
9. A double-flue sintering system comprises a sintering machine arranged on a platform, an actuator arranged on the sintering machine, a first sintering machine air box and a second sintering machine air box which are connected with the sintering machine, a first flue and a second flue, and is characterized by further comprising a first electric three-way flue gas switching valve and a second electric three-way flue gas switching valve according to any one of claims 1 to 8, wherein the first sintering machine air box is communicated with the first flue and the second flue through the first electric three-way flue gas switching valve, and the second sintering machine air box is communicated with the first flue and the second flue through the second electric three-way flue gas switching valve.
10. The dual-stack sintering system of claim 9 further comprising a first bellows leg, a second bellows leg, a third bellows leg, and a fourth bellows leg; the two ends of the first air box branch pipe are respectively connected with the first flue and the first outlet pipeline of the first electric three-way flue gas switching valve, the two ends of the second air box branch pipe are respectively connected with the second flue and the second outlet pipeline of the first electric three-way flue gas switching valve, the two ends of the third air box branch pipe are respectively connected with the second flue and the first outlet pipeline of the second electric three-way flue gas switching valve, and the two ends of the fourth air box branch pipe are respectively connected with the first flue and the second outlet pipeline of the second electric three-way flue gas switching valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122218802.8U CN215720998U (en) | 2021-09-14 | 2021-09-14 | Electric three-way flue gas switching valve and double-flue sintering system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122218802.8U CN215720998U (en) | 2021-09-14 | 2021-09-14 | Electric three-way flue gas switching valve and double-flue sintering system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215720998U true CN215720998U (en) | 2022-02-01 |
Family
ID=80019641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122218802.8U Active CN215720998U (en) | 2021-09-14 | 2021-09-14 | Electric three-way flue gas switching valve and double-flue sintering system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215720998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116443587A (en) * | 2023-05-31 | 2023-07-18 | 国能龙源环保有限公司 | Flap valve and pneumatic ash conveying equipment |
-
2021
- 2021-09-14 CN CN202122218802.8U patent/CN215720998U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116443587A (en) * | 2023-05-31 | 2023-07-18 | 国能龙源环保有限公司 | Flap valve and pneumatic ash conveying equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204042072U (en) | Electronic three-way switch valve is used in sinter fume circulation | |
| CN215720998U (en) | Electric three-way flue gas switching valve and double-flue sintering system thereof | |
| CN200941000Y (en) | Heat-retaining and burning car-type heating furnace | |
| CN108760369A (en) | A kind of testing equipment for testing compressor multifunctional performance | |
| CN217844699U (en) | Energy-efficient type aluminium scrap recovery smelting device | |
| CN203728859U (en) | Oxygen supply device arranged in front of blast furnace blower | |
| CN100460095C (en) | Converter shop dust collecting cover device | |
| CN211612002U (en) | Tail gas treatment device of vitrified micro bubble expansion furnace | |
| CN209278504U (en) | Double flap valves control elephant trunk blanking sealing device | |
| CN101530827A (en) | A dedusting method with magnetic force | |
| CN204514078U (en) | A kind of sintered discharge gas Cycle Automation device | |
| CN209147748U (en) | Energy-saving and emission-reducing is sintered cooling system | |
| CN201306476Y (en) | 2-position 3-way air reversing valve | |
| CN201343547Y (en) | Dust removal system for secondary flue gas in ventilation shaft and revolving furnace | |
| CN201170688Y (en) | Pocket type dust-removing system | |
| CN109373771A (en) | Energy-saving and emission-reducing is sintered cooling system | |
| CN112619895B (en) | Air-magnetic dry separation device and magnetic bead recovery method for improving utilization rate of fly ash | |
| CN201133287Y (en) | High-speed diesel electronic control vortex flow continuously variable mechanical device | |
| CN217108237U (en) | Double-channel flap valve | |
| JPS63192451U (en) | ||
| CN102278883B (en) | Intelligent dust-removing fan system and method of sintering furnace of iron mill | |
| CN219415386U (en) | Cooling device for powdery lime | |
| CN109944720A (en) | A kind of bypass valve arrangement of gas recirculation system | |
| CN212682416U (en) | Novel reversing heat storage roaster | |
| CN211947170U (en) | Bell-type furnace cooling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |