CN211234023U - Dynamic turbulent air mixing device - Google Patents
Dynamic turbulent air mixing device Download PDFInfo
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- CN211234023U CN211234023U CN201922292354.9U CN201922292354U CN211234023U CN 211234023 U CN211234023 U CN 211234023U CN 201922292354 U CN201922292354 U CN 201922292354U CN 211234023 U CN211234023 U CN 211234023U
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- flue gas
- support frame
- control module
- pneumatic push
- pipe
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Abstract
The utility model discloses a developments vortex mixes wind device, the loach carrying platform comprises a supporting fram, the inside of support frame is equipped with spoiler, pipe, connecting rod and hot flue gas intake pipe, and one side of support frame is equipped with pneumatic push-and-pull device, compressed air supply system, PLC control module, DCS control module, thermal imaging system, the spoiler is installed on the pipe, the pipe is installed on the connecting rod, the one end of connecting rod is connected with the pipe, the other end runs through the support frame lateral wall and is connected with pneumatic push-and-pull device, pneumatic push-and-pull device's one end is connected with compressed air supply system, is equipped with the solenoid valve between pneumatic push-and-pull device and the compressed air supply system, solenoid valve and PLC. The utility model discloses the effectual flue gas turbulence degree of having guaranteed under the continuous variable operating mode has balanced the temperature field under the different operating modes, has guaranteed the stability and the security of flue, has ensured SCR work efficiency simultaneously, makes it reach the emission standard that local environmental protection department required.
Description
Technical Field
The utility model belongs to the technical field of the flue gas environmental protection purifies, in particular to developments vortex mixes wind device.
Background
The SCR device is an environment-friendly device commonly used in the national environment-friendly industry, raw flue gas at an SCR inlet is heated in a mixing way, a hot blast stove heating system is added outside an SCR inlet flue, the raw flue gas heated by GGH is heated secondarily, the heating amplitude is more than 30 ℃, because a hot blast pipeline of a heating furnace needs to extend into the raw flue gas flue and the raw flue gas and the heated flue gas can enter an SCR reactor after being mixed, the raw flue gas and the heated flue gas which are not subjected to turbulence cannot be fully mixed, the temperature is high, the temperature is low, the temperature is too high, the catalyst fails, the denitration fails due to too low temperature, the catalyst is poisoned or blocked due to uneven temperature, the conventional flow field simulation can only fix the turbulence degree of the flue gas under one working condition, the turbulence regulation under a sudden working condition is not provided, the smooth simulation result can only be used as a reference, and the effect is greatly reduced under the condition, because the fixed angle of guide plate can not adjust, cause former flue gas temperature field unbalance to cause denitration efficiency to reduce, can not reach the emission requirement.
Disclosure of Invention
The utility model aims at overcoming not enough among the prior art, provide a developments vortex mixes wind device, under PLC's control, pneumatic push-and-pull device can be to the angular adjustment of spoiler, the effectual flue gas turbulence degree of having guaranteed under the continuous variable operating mode, has balanced the temperature field under the different work condition, has guaranteed the stability and the security of flue, has ensured SCR's work efficiency simultaneously, makes it reach the emission standard that local environmental protection department required.
In order to realize the purpose, the utility model discloses a technical scheme is:
a dynamic turbulence air mixing device comprises a support frame, wherein a spoiler, a round pipe, a connecting rod and a hot flue gas inlet pipe are arranged inside the support frame, a pneumatic push-pull device, a compressed air supply system, a PLC (programmable logic controller) control module, a DCS (distributed control system) control module and a thermal imaging system are arranged on one side of the support frame, the spoiler is installed on the round pipe, the round pipe is connected with one end of the connecting rod, the other end of the connecting rod penetrates through the side wall of the support frame and is connected with the pneumatic push-pull device, one end of the pneumatic push-pull device is connected with the compressed air supply system, an electromagnetic valve is arranged between the pneumatic push-pull device and the compressed air supply system and is electrically connected with the PLC control module, the PLC control module is electrically connected with the DCS control module, the DCS control module is electrically connected with the thermal imaging system, the thermal imaging system is arranged, the support frame is also provided with a mixed flue gas exhaust port and a raw flue gas inlet, the mixed flue gas exhaust port is arranged at the top of the support frame, the raw flue gas inlet is arranged at the bottom of the support frame, the mixed flue gas exhaust port is used for exhausting mixed gas, and the raw flue gas inlet is used for inputting raw flue gas; under the control of the PLC, the pneumatic push-pull device can adjust the angle of the spoiler, the smoke turbulence degree under the continuous variable working condition is effectively guaranteed, the temperature fields under different working conditions are balanced, the stability and the safety of a flue are guaranteed, the working efficiency of the SCR is guaranteed, and the SCR reaches the emission standard required by the local environmental protection department.
Preferably, be equipped with a plurality of fumaroles on the hot flue gas intake pipe, be convenient for with the even blowout of gas, can reach the effect of equipartition, improved the efficiency that the flue gas mixes.
Preferably, be equipped with a plurality of spoilers on the pipe for carry out the vortex to the flue gas, improve the efficiency that the flue gas mixes.
Preferably, the cross section of the spoiler is of a circular structure, and the spoiler can rotate around the circle center, so that the angle of the spoiler can be conveniently adjusted.
Preferably, the support frame is made of a 0Cr13 stainless steel plate, can effectively bear high temperature, keeps the strength and rigidity of the flue, and avoids vibration.
The utility model has the advantages that:
1) this device is under PLC's control, and pneumatic push-and-pull device can be to the angular adjustment of spoiler, and the effectual flue gas turbulence degree of having guaranteed under the continuous variable operating mode has balanced the temperature field under the different operating modes, has guaranteed the stability and the security of flue, has ensured SCR work efficiency simultaneously, makes it reach the emission standard that local environmental protection department required.
2) The hot flue gas intake pipe of this device is equipped with a plurality of fumaroles, is convenient for with gaseous even blowout, can reach the effect of equipartition, has improved the efficiency that the flue gas mixes.
3) The device is characterized in that a plurality of spoilers are arranged on a circular tube and used for disturbing flow of flue gas and improving the mixing efficiency of the flue gas; the spoiler adopts a structure with a circular cross section, can rotate around the circle center, and is convenient for adjusting the angle of the spoiler.
4) The support frame of the device is made of a 0Cr13 stainless steel plate, can effectively bear high temperature, keeps the strength and rigidity of a flue, and avoids vibration.
Drawings
Fig. 1 is a schematic structural view of a dynamic turbulent air mixing device of the present invention.
Fig. 2 is a schematic structural diagram of a spoiler in the dynamic turbulent air mixing device of the present invention.
In the figure: 1. a thermal imaging system; 2. a mixed flue gas exhaust port; 3. a circular tube; 4. a connecting rod; 5. a pneumatic push-pull device; 6. an electromagnetic valve; 7. a compressed air supply system; 8. a PLC control module; 9. a DCS control module; 10. a raw flue gas inlet; 11. a hot flue gas inlet pipe; 12. a support frame; 13. a spoiler.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-2, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. 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.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
A dynamic turbulence air mixing device comprises a support frame 12, wherein a spoiler 13, a round pipe 3, a connecting rod 4 and a hot flue gas inlet pipe 11 are arranged inside the support frame 12, a pneumatic push-pull device 5, a compressed air supply system 7, a PLC control module 8, a DCS control module 9 and a thermal imaging system 1 are arranged on one side of the support frame 12, the spoiler 13 is installed on the round pipe 3, the round pipe 3 is connected with one end of the connecting rod 4, the other end of the connecting rod 4 penetrates through the side wall of the support frame 12 to be connected with the pneumatic push-pull device 5, one end of the pneumatic push-pull device 5 is connected with the compressed air supply system 7, an electromagnetic valve 6 is arranged between the pneumatic push-pull device 5 and the compressed air supply system 7 and used for controlling the on and off of the electromagnetic valve 6 to ensure the normal operation of the device, the electromagnetic valve 6 is electrically connected with the PLC control module 8, one, the device is convenient for control, has guaranteed the normal work of the device, DCS control module 9 and 1 electric connection of thermal imaging system, thermal imaging system 1 establishes the upper left side at support frame 12, inside the one end of hot flue gas intake pipe 11 runs through support frame 12 lateral wall and extends to support frame 12, still is equipped with mixed flue gas vent 2, former flue gas air inlet 10 on support frame 12, and mixed flue gas vent 2 establishes at the top of support frame 12, and former flue gas air inlet 10 establishes the bottom at support frame 12, and mixed flue gas vent 2 is used for the gas discharge that will mix the completion, and former flue gas air inlet 10 is used for the input of former flue gas, is convenient for input hot flue gas into the device in with former flue gas mixture, has improved mixing efficiency.
Be equipped with a plurality of fumaroles on hot flue gas intake pipe 11, be convenient for with gaseous even blowout, can reach the effect of equipartition, improved the efficiency that the flue gas mixes.
And the round pipe 3 is provided with a plurality of spoilers 13 for disturbing flow of the flue gas and improving the mixing efficiency of the flue gas.
The spoiler 13 adopts a structure with a circular cross section, and can rotate around the circle center, so that the angle of the spoiler 13 can be conveniently adjusted.
The support frame 12 is made of a 0Cr13 stainless steel plate, can effectively bear high temperature, keeps the strength and rigidity of a flue, and avoids vibration.
A dynamic turbulent air mixing device comprises the following working processes: the device is arranged on a vertical flue of an SCR inlet, a hot flue gas inlet pipe 11 is inserted into a support frame 12, raw flue gas is input from a raw flue gas inlet 10 and passes through the device from bottom to top, and is mixed with heated flue gas generated by a hot blast stove in the device, so that the temperature of the raw flue gas is improved, a thermal imaging system 1 is arranged above the device, the temperature field condition of the mixed raw flue gas and the heated flue gas can be intuitively reflected, and an adjusting basis is provided for a spoiler 13; the spoiler 13 is controlled by the pneumatic push-pull device 5 through the external connecting rod 4, the pneumatic push-pull device 5 is remotely controlled through the PLC control module 8, an included angle formed by the spoiler 13 and the smoke is adjusted, and the adjustment is carried out through the feedback of the thermal imaging system 1 until a stable temperature field is reached; the spoiler 13 is connected through a circular tube 3, the circular tube 3 is connected with a pneumatic push-pull device 5 through a connecting rod 4, the system is arranged on two sides of the device, a compressed air supply system 7 provides an air source for the pneumatic push-pull device 5, the pneumatic push-pull device 5 provides adjusting power for the spoiler 13, and the PLC implements remote control.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (5)
1. A dynamic turbulence air mixing device comprises a support frame and is characterized in that a spoiler, a round pipe, a connecting rod and a hot flue gas inlet pipe are arranged inside the support frame, a pneumatic push-pull device, a compressed air supply system, a PLC control module, a DCS control module and a thermal imaging system are arranged on one side of the support frame, the spoiler is installed on the round pipe, the round pipe is connected with one end of the connecting rod, the other end of the connecting rod penetrates through the side wall of the support frame and is connected with the pneumatic push-pull device, one end of the pneumatic push-pull device is connected with the compressed air supply system, an electromagnetic valve is arranged between the pneumatic push-pull device and the compressed air supply system and is electrically connected with the PLC control module, the PLC control module is electrically connected with the DCS control module, the DCS control module is electrically connected with the thermal imaging system, and the thermal, inside hot flue gas intake pipe's one end runs through the support frame lateral wall and extends to the support frame, still is equipped with mixed flue gas vent, former flue gas air inlet on the support frame, and mixed flue gas vent is established at the top of support frame, and former flue gas air inlet is established in the bottom of support frame.
2. The dynamic turbulent air mixing device according to claim 1, wherein a plurality of air injection holes are arranged on the hot flue gas inlet pipe, and the plurality of air injection holes are uniformly distributed on the hot flue gas inlet pipe.
3. The dynamic turbulent air mixing device as claimed in claim 1, wherein the circular tube has a plurality of spoilers uniformly mounted thereon.
4. A dynamic turbulent air mixing device in accordance with claim 3, wherein the cross section of the turbulent air plate is circular.
5. The dynamic turbulent air mixing device as claimed in claim 1, wherein the support frame is made of 0Cr13 stainless steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922292354.9U CN211234023U (en) | 2019-12-18 | 2019-12-18 | Dynamic turbulent air mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922292354.9U CN211234023U (en) | 2019-12-18 | 2019-12-18 | Dynamic turbulent air mixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211234023U true CN211234023U (en) | 2020-08-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922292354.9U Active CN211234023U (en) | 2019-12-18 | 2019-12-18 | Dynamic turbulent air mixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211234023U (en) |
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2019
- 2019-12-18 CN CN201922292354.9U patent/CN211234023U/en active Active
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