CN204083808U - A kind of flue gas flow amplifying device - Google Patents
A kind of flue gas flow amplifying device Download PDFInfo
- Publication number
- CN204083808U CN204083808U CN201420543701.5U CN201420543701U CN204083808U CN 204083808 U CN204083808 U CN 204083808U CN 201420543701 U CN201420543701 U CN 201420543701U CN 204083808 U CN204083808 U CN 204083808U
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- China
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- flue
- gas
- branch road
- draught fan
- induced draught
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Abstract
The utility model relates to a kind of flue gas flow amplifying device and method, and described device comprises air inlet branch road, circulation branch road, exhaust branch road and chimney; The flue of air inlet branch road is provided with modulating valve, gas manometer, induced draught fan, stop valve, gas manometer, gas flowmeter, modulating valve successively, reaction gas steel cylinder, smoke components monitor; Circulation branch road comprises induced draught fan flue and Flow-rate adjustment flue, and induced draught fan flue is provided with modulating valve, induced draught fan, stop valve, gas manometer, gas flowmeter successively, and Flow-rate adjustment flue is provided with gas manometer, gas flowmeter, modulating valve successively; Exhaust branch road comprises main flue channel and bypass flue, main flue channel installs stop valve, modulating valve, induced draught fan, stop valve, gas flowmeter, gas manometer successively, bypass flue installs stop valve.The utility model, while maintenance flue gas flow meets the demands, avoids system each point flow and pressure transient to cause e-quipment and pipe to vibrate, harm system stable operation.
Description
Technical field
The utility model relates to a kind of flue gas flow amplifying device and method, belongs to flue gas desulfurization and denitrification field.
Background technique
In the experimental research of flue gas desulfurization and denitrification system, can the size of flue gas flow be an important technical order, whether determine experimental result closer to situation during practical application, provide performance index more accurately for the industrial applications of system.The flue gas generating apparatus of existing flue gas desulfurization and denitrification experimental system is generally combined by boiler, gas cylinder and forms with gas piping etc.; because the technical order of experiment fees, lab space and flue gas generating apparatus limits; and environmental protection has strict demand to laboratory air discharge; it can only provide the flue gas of small flow; the flue gas flow needed for experimental system of amplification cannot be met; the laboratory data obtained is only applicable to the little test system of laboratory scope, can not provide reference accurately for system industrialization design.At present, domestic also do not have to save flue gas generating apparatus floor space, cost, reduces fume emission, can produce again the experimental setup of large discharge flue gas.
Model utility content
To be solved in the utility model is the deficiency of existing experimental setup technology, provides a kind of flue gas flow amplifying device with cycle flue and operating method thereof.
In order to achieve the above object, the technical solution of the utility model is achieved in that
A kind of flue gas flow amplifying device, described device comprises air inlet branch road, circulation branch road, exhaust branch road and chimney;
The flue of air inlet branch road is provided with successively modulating valve (4), gas manometer (15), induced draught fan (1), stop valve (5), gas manometer (16), gas flowmeter (20), modulating valve (10), reaction gas steel cylinder (24), smoke components monitor (25);
Circulation branch road comprises induced draught fan flue and Flow-rate adjustment flue, induced draught fan flue is provided with successively modulating valve (7), induced draught fan (2), stop valve (8), gas manometer (17), gas flowmeter (21), Flow-rate adjustment flue is provided with successively gas manometer (19), gas flowmeter (22), modulating valve (9);
Exhaust branch road comprises main flue channel and bypass flue, main flue channel is installed successively stop valve (13), modulating valve (12), induced draught fan (3), stop valve (11), gas flowmeter (23), gas manometer (18), bypass flue is installed stop valve (6).
Flue between the gas flowmeter (20) of described air inlet branch road and modulating valve (10) respectively and be connected with between the gas flowmeter (23) of main flue channel of exhaust branch road and stop valve (11) be vented branch road bypass flue, and be vented the induced draught fan flue and the Flow-rate adjustment flue that are connected with circulation branch road between the modulating valve (12) of main flue channel of branch road and stop valve (13) in turn.
Its working principle is:
1. the valve on air inlet branch road and exhaust branch road is all opened except three valves at exhaust branch road bypass flue, reactor suction port and air outlet place, circulation bypass flow regulates the valve opening on flue, other valves are all closed, successively open the induced draught fan on exhaust branch road and air inlet branch road, moving to the gas pressure on pipeline and stability of flow, is now two fan operation operating modes;
2. the valve on ON cycle branch road induced draught fan flue and induced draught fan, progressively adjust each modulating valve, make the gas pressure on each pipeline and stability of flow, and the part prepared by chimney Exhaust Gas is introduced circulation branch road, moving to the gas flow cumulative rises of circulation branch road to required flow, is now three fan operation operating modes;
3. open two valves at reactor suction port and air outlet place, close the valve on closed loop bypass flow adjustment flue, large discharge gas is made to enter reactor, prepare after completing reaction to enter circulation branch road by the induced draught fan of a part on circulation branch road induced draught fan flue of chimney Exhaust Gas, enter reactor together with the gas that source of the gas produces, keep the gas flow in reactor constant.In addition, the gas that continuous postreaction consumes, keeps reactor inlet place gas componant constant.
Flue gas is by air inlet branch road, before exhaust branch road is discharged from chimney, a part is introduced cycle flue by circulation branch road induced draught fan and is flowed, certain flow is accumulated to after certain hour, enter desulfuring and denitrifying apparatus reaction, a flue gas part after process is discharged by chimney through exhaust branch road induced draught fan, and a part replenishes cycle flue through circulation branch road induced draught fan makes flue gas flow keep stable.Change the performance parameter of each blower fan, the aperture of Flue valve, the size of flue, the flue gas of different flow can be produced.The one-tenth of adjustment gas is grouped into, and can provide the reaction gas of large discharge for various types of reaction.
The utility model tool has the following advantages:
(1) structural type of cycle flue and the setting type of upper valve and induced draught fan thereof, ensure that can intend discharging flue gas by introducing portion adds the principle that circulation realizes increasing flue gas flow;
During the change of (2) two fan conditions, three fan conditions and flue gas flow, the operating method of device, while maintenance flue gas flow meets the demands, avoids system each point flow and pressure transient to cause e-quipment and pipe to vibrate, harm system stable operation.
Accompanying drawing explanation
Describe exemplary embodiment of the present utility model in more detail by referring to accompanying drawing, above and other aspect of the present utility model and advantage will become and more be readily clear of, in the accompanying drawings:
Fig. 1 is the structural representation of a kind of flue gas flow amplifying device of the present utility model.
Embodiment
Hereinafter, more fully the utility model is described now with reference to accompanying drawing, various embodiment shown in the drawings.But the utility model can be implemented in many different forms, and should not be interpreted as being confined to embodiment set forth herein.On the contrary, provide these embodiments to make the disclosure will be thoroughly with completely, and scope of the present utility model is conveyed to those skilled in the art fully.
Hereinafter, with reference to the accompanying drawings exemplary embodiment of the present utility model is described in more detail.
As shown in Figure 1, modulating valve (4), stop valve (5), modulating valve (9), modulating valve (12), stop valve (11) are opened, stop valve (6), modulating valve (7), stop valve (8), modulating valve (10), stop valve (13) are closed, open induced draught fan (3), move to the gas pressure on pipeline and stability of flow.Open induced draught fan (1), moving to the gas pressure on pipeline and stability of flow, is now two fan operation operating modes.
Open modulating valve (7), stop valve (8), open induced draught fan (2), progressively adjust the aperture of modulating valve (9), modulating valve (7), modulating valve (12), a gas part for air inlet branch road is discharged through an exhaust route chimney (14), a part enters circulation branch road, the gas flow of circulation branch road is increased, the gas pressure moving to air inlet branch road, circulation branch road and exhaust branch road is stablized, and the gas flow of the induced draught fan flue of the branch road that circulates reaches the required flow of experiment, is now three fan operation operating modes.
Close synchronously modulating valve (9), open modulating valve (10), stop valve (13), make large discharge gas in circulation branch road by follow-up reactor, complete a reacted gas part to discharge through induced draught fan (3), a part enters circulation branch road by induced draught fan (2), keeps the gas flow entering reactor to stablize.Consume gas by reaction gas steel cylinder (24) postreaction, the gas componant entering reactor is stablized.
The section of described flue can be circular or rectangle;
Described modulating valve and stop valve Starting mode can be electronic or pneumatic, and play the effect of sealing during closedown, keeping system is airtight air tight.
Feature of the present utility model is as follows:
(1) part is extracted from chimney out by the flue gas of discharging, enter cycle flue, the exhaust gas volumn that source of the gas produces is greater than the exhaust gas volumn that chimney is discharged all the time, the flue gas flow accumulating operation in cycle flue is increased, reactor is entered into after reaching required exhaust gas volumn, reacted flue gas is when chimney is discharged, and a part introduces cycle flue, ensures that the gas flow entered in reactor is constant.Increase flue gas flow by simple device and operating method, reduce the discharge of experimental expenses, floor space and dusty gas, and guarantee that reactor can run in normal conditions.
(2) aperture by regulating air inlet branch road, exhaust branch road and circulation bypass flow to regulate modulating valve on flue, can regulate the force value of each node in fume pipe to balance, be beneficial to the stable operation of two fan conditions.Adjust the Pressure Drop that circulation bypass flow regulates flue simultaneously, make it close to flue gas by Pressure Drop during reactor, can smooth transition when flue gas finally enters reactor.
(3) under the prerequisite of two fan condition stable operations, progressively open the modulating valve on this flue, and the induced draught fan started in circulation branch road on induced draught fan flue, utilize the negative pressure of this induced draught fan, a part in the flue gas intending discharging from chimney is introduced cycle flue, the flue gas flow in cycle flue is progressively increased.By regulating the aperture of modulating valve on air inlet branch road, exhaust branch road and circulation branch road cycle flue, stablizing the pressure of each point, avoiding causing blower fan and pipe vibration.
(4) when flue gas flow needed for source of the gas flue gas flow or reactor changes, answer the modulating valve on ON cycle bypass flow adjustment flue, regulate the induced draught fan in circulation branch road on induced draught fan flue and modulating valve, the flue gas changed on exhaust branch road enters the capacity of reflux of cycle flue, or the conversion cycle time of flue gas in cycle flue, the exhaust gas volumn entering reactor is met the demands, and regulate the modulating valve on air inlet branch road, exhaust branch road and circulation bypass flow adjustment flue, ensure the pressure stability of each point, make systems stay stable operation.
The foregoing is only embodiment of the present utility model, be not limited to the utility model.The utility model can have various suitable change and change.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a flue gas flow amplifying device, is characterized in that:
Described device comprises air inlet branch road, circulation branch road, exhaust branch road and chimney;
The flue of air inlet branch road is provided with successively modulating valve (4), gas manometer (15), induced draught fan (1), stop valve (5), gas manometer (16), gas flowmeter (20), modulating valve (10), reaction gas steel cylinder (24), smoke components monitor (25);
Circulation branch road comprises induced draught fan flue and Flow-rate adjustment flue, induced draught fan flue is provided with successively modulating valve (7), induced draught fan (2), stop valve (8), gas manometer (17), gas flowmeter (21), Flow-rate adjustment flue is provided with successively gas manometer (19), gas flowmeter (22), modulating valve (9);
Exhaust branch road comprises main flue channel and bypass flue, main flue channel is installed successively stop valve (13), modulating valve (12), induced draught fan (3), stop valve (11), gas flowmeter (23), gas manometer (18), bypass flue is installed stop valve (6).
2. a kind of flue gas flow amplifying device as claimed in claim 1, is characterized in that:
Flue between the gas flowmeter (20) of described air inlet branch road and modulating valve (10) respectively and be connected with between the gas flowmeter (23) of main flue channel of exhaust branch road and stop valve (11) be vented branch road bypass flue, and be vented the induced draught fan flue and the Flow-rate adjustment flue that are connected with circulation branch road between the modulating valve (12) of main flue channel of branch road and stop valve (13) in turn.
3. a kind of flue gas flow amplifying device as claimed in claim 1 or 2, is characterized in that:
The section of described flue can be circular or rectangle;
Described modulating valve and stop valve Starting mode can be electronic or pneumatic, and play the effect of sealing during closedown, keeping system is airtight air tight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543701.5U CN204083808U (en) | 2014-09-19 | 2014-09-19 | A kind of flue gas flow amplifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543701.5U CN204083808U (en) | 2014-09-19 | 2014-09-19 | A kind of flue gas flow amplifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083808U true CN204083808U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420543701.5U Withdrawn - After Issue CN204083808U (en) | 2014-09-19 | 2014-09-19 | A kind of flue gas flow amplifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204083808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290164A (en) * | 2016-03-31 | 2017-10-24 | 克诺尔南口供风设备(北京)有限公司 | Drier regenerates air rate test synthesis testing stand and regeneration air rate method of testing |
-
2014
- 2014-09-19 CN CN201420543701.5U patent/CN204083808U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290164A (en) * | 2016-03-31 | 2017-10-24 | 克诺尔南口供风设备(北京)有限公司 | Drier regenerates air rate test synthesis testing stand and regeneration air rate method of testing |
| CN107290164B (en) * | 2016-03-31 | 2024-04-12 | 克诺尔南口供风设备(北京)有限公司 | Comprehensive test bed for dryer regeneration gas consumption rate test and regeneration gas consumption rate test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20171114 |
|
| AV01 | Patent right actively abandoned |