CN204114989U - Stove drives air assembly - Google Patents
Stove drives air assembly Download PDFInfo
- Publication number
- CN204114989U CN204114989U CN201420456982.0U CN201420456982U CN204114989U CN 204114989 U CN204114989 U CN 204114989U CN 201420456982 U CN201420456982 U CN 201420456982U CN 204114989 U CN204114989 U CN 204114989U
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- air
- converter
- stove
- wind path
- connects
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Abstract
The utility model discloses a kind of stove and drives air assembly, comprises the first wind path, the second wind path, frequency converter, pressure acquisition device, converter, heat exchanger, air endless tube, injector.Wherein, the first wind path and the second wind path are connected to pressure acquisition device respectively, and pressure acquisition device connects converter and heat exchanger respectively, and converter connects the second wind path, and heat exchanger connects air endless tube, and air endless tube connects injector.Have employed the technical solution of the utility model, the air driven of stove can be carried out easily, and drive process automatically to drive.
Description
Technical field
The utility model relates to stove air generation plants, more particularly, relates to a kind of stove and drives air assembly.
Background technology
Lime stone is transported to kiln top by existing stove single bucket elevator, enters in annulus through hopper, sealed gate and revolving top.BASK has upper and lower two-layer burner and is evenly staggeredly arranged, and BASK is divided into two burning zones, upper burning zone is adverse current, and lower burning zone is and flows.And stream band bottom is salband, lime is discharged by drawing mechanism in the bottom of salband.Be pooled in cooling-air endless tube after cooling-air preheating, deliver to each burner as combustion air.The driving air of preheating out enters afterwards from heat exchanger and drives air endless tube, and is sent to injector, as the power gas of injector.Be imperfect combustion in combustion chamber, upper strata, meet with the air-flow containing excess air from below when unburnt gas enters the lower bed of material, unburnt gas is burnt completely.For to burn completely in lower floor combustion chamber.Waste gas all in kiln is all drawn through exhaust gas fan, is then mixed into after cold wind enters deduster dedusting through cold blast sliding valve and enters air.
In the whole production process of active lime, calcining controls to be key wherein.Calcining is key one step that lime high temperature decomposes, and the core technology of this processing step is the temperature range of control combustion room, and concrete control method is as follows:
(1) by controlling to drive air mass flow and pressure regulate calcining situation and then ensure lime quality.
(2) control heat supply to regulate.Under the condition of discharge velocity and driving gas temperature stabilization, lime quality can be regulated equally by the way changing heat input.
Existing Traditional control drives air mass flow and pressure method to be in Non-follow control, fan speed is changed particular by the given frequency changing driving frequency converter, now corresponding kiln burning room drives air mass flow and pressure size also to change, as kiln burning room drives air pressure little, then need the given frequency increasing frequency converter; As kiln burning room drives air pressure large, then need the given frequency reducing frequency converter; Due to manual working, the adjusting range of different people to parameter and the difference of the anticipation value to parameter, cause kiln burning room negative regulation poor, regulates too frequent, be unfavorable for producing.
Utility model content
The purpose of this utility model aims to provide a kind of stove and drives air assembly, and solving stove air driven in prior art needs manually mostly, and controls inconvenient defect.
According to the utility model, provide a kind of stove to drive air assembly, comprise the first wind path, the second wind path, frequency converter, pressure acquisition device, converter, heat exchanger, air endless tube, injector.Wherein, the first wind path and the second wind path are connected to pressure acquisition device respectively, and pressure acquisition device connects converter and heat exchanger respectively, and converter connects the second wind path, and heat exchanger connects air endless tube, and air endless tube connects injector.
According to an embodiment of the present utility model, the first wind path comprises the first air door, the first motor, the first blower fan.First air door connects the first motor, and the first motor connects the first blower fan, the first blower fan Bonding pressure collector.
According to an embodiment of the present utility model, the second wind path comprises the second air door, the second motor, the second blower fan.Second air door connects frequency converter, and frequency converter connects the second motor, and the second motor connects the second blower fan, the second blower fan Bonding pressure collector.
According to an embodiment of the present utility model, converter is connected with frequency converter.
According to an embodiment of the present utility model, between pressure acquisition device and converter, be also provided with pressure transmitter.
According to an embodiment of the present utility model, the jet of injector is arranged at the upper burner place of stove.
Have employed the technical solution of the utility model, the air driven of stove can be carried out easily, and drive process automatically to drive.
Accompanying drawing explanation
In the utility model, identical Reference numeral represents identical feature all the time, wherein:
Fig. 1 is the structural representation that the utility model stove drives air assembly;
Fig. 2 is the connection diagram of converter.
Detailed description of the invention
The technical solution of the utility model is further illustrated below in conjunction with drawings and Examples.
Drive at the utility model stove in the applied environment of air assembly, outside air divides two tunnels to enter.As shown in Figure 1, stove of the present utility model drives the main element of air assembly to comprise the first wind path, the second wind path, frequency converter 5, pressure acquisition device 8, converter 9, heat exchanger 10, air endless tube 11, injector 12.First wind path and the second wind path are connected to pressure acquisition device 8 respectively, pressure acquisition device 8 connects converter 9 and heat exchanger 10 respectively, and converter 9 connects and is connected with frequency converter 5, and connects the second wind path simultaneously, heat exchanger 10 connects air endless tube 11, and air endless tube 11 connects injector 12.Pressure transmitter (not illustrating in the drawings) is also provided with between pressure acquisition device 8 and converter 9.
With reference to Fig. 1, specifically, the first wind path comprises the first air door 1, first motor 2, first blower fan 3, and the first air door 1 connects the first motor 2, first motor 2 connects the first blower fan 3, first blower fan 3 Bonding pressure collector 8.Same, the second wind path comprises the second air door 4, second motor 6, second blower fan 7, and the second air door 4 connects frequency converter 5, and frequency converter 5 connects the second motor 6, second motor 6 and connects the second blower fan 7, second blower fan 7 Bonding pressure collector 8.
Refer to Fig. 1, first wind path air-flow enters the first air door 1 by outside air, drives the first blower fan 3 to enter in kiln by the first motor 2, and the first motor 2 control mode adopts Y/ △ Starting mode, because the first motor 2 normally runs hourly velocity constant speed, now outside air enters airstream in kiln is constant.
Second road air-flow enters the second air door 4 by outside air 2, the second blower fan 7 is driven to enter in kiln by the second motor 6, second motor 6 control mode adopts the variable frequency starting method of operation, and because the second motor 6 normally runs hourly velocity adjustable, now outside air enters airstream in kiln is adjustable.
After two strands of outside airs unite two into one in pipeline, enter heat exchanger 10, drive air to be heated by heat exchanger 10, then enter and drive air endless tube 11, then enter kiln burning room by injector 12.The jet of injector 12 is arranged at the upper burner place of stove, and injector 12 has 6, in FIG respectively with a, b, c, d, e, f represents, to be evenly distributed on around kiln burning room every 60 degree, temperature sensor (not illustrating in the drawings) and pressure acquisition device 8 is provided with before heat exchanger 10 pipeline, pressure acquisition device 8 detects signal and changes into 4-20MA current signal input converter 9 through transmitter, actual value is converted to after converter 9 processes, now this actual value is driven air pressure testing process value as stove, as shown in Figure 2, represent with PV.
Continue with reference to Fig. 2, under normal circumstances, stove drives air pressure PV value to be 30KPa.Converter 9 mainly engages stove and drives air pressure testing process value PV value and setting value SP, is controlled the given value of current of frequency converter 5 by the value of output translator 9.The value of converter 9 is 0%-100%, and corresponding frequency converter 5 given value of current scope is 4-20MA, the now output frequency 0-50HZ of corresponding frequency converter 5, and corresponding second motor 6 rotating speed is 0-1500 rev/min.Because the second motor 6 is directly connected with the second blower fan 7, second air door 4 is in fully open position when stove works, closed positions (mainly guaranteeing the second motor 6 clean boot) is switched to when stove quits work, control second blower fan 7 speed is finally reached by the given value of current controlling frequency converter 5, namely when the second blower fan 7 speed changes, kiln burning chamber interior drives air pressure to change simultaneously, when kiln burning chamber interior negative pressure pressure detecting process values PV is lower than pressure set points SP (i.e. 30KPA), converter 9 can increase frequency converter 5 given value of current, frequency converter 5 output frequency rises, second motor 6 speed increases, rotation speed of fan is also accelerated simultaneously, second blower fan 7 is sent into kiln burning room and is driven air air quantity to increase, the now corresponding increase of kiln burning chamber interior negative pressure pressure, until PV force value reaches SP value.In like manner, when kiln burning chamber internal pressure testing process value PV is higher than setting negative pressure pressure set points SP (i.e. negative 30kpa), converter 9 can reduce frequency converter 5 given value of current, frequency converter 5 output frequency declines, second motor 6 speed reduces, and rotation speed of fan also reduces simultaneously, and the second blower fan 7 is sent into kiln burning chamber interior and driven air quantity to weaken, the now corresponding minimizing of kiln burning chamber interior negative pressure pressure, until PV force value reaches SP value.
Those of ordinary skill in the art will be appreciated that, above description is only one or more embodiments in the numerous embodiment of the utility model, and not with to restriction of the present utility model.Any equalization for the above embodiment changes, modification and the equivalent technical scheme such as to substitute, as long as meet spirit of the present utility model, all will drop in scope that claims of the present utility model protect.
Claims (6)
1. stove drives an air assembly, it is characterized in that, comprising:
First wind path, the second wind path, frequency converter, pressure acquisition device, converter, heat exchanger, air endless tube, injector;
Described first wind path and the second wind path are connected to described pressure acquisition device respectively, described pressure acquisition device connects described converter and described heat exchanger respectively, described converter connects described second wind path, and described heat exchanger connects described air endless tube, and described air endless tube connects described injector.
2. stove as claimed in claim 1 drives air assembly, and it is characterized in that, described first wind path comprises the first air door, the first motor, the first blower fan;
Described first air door connects described first motor, and described first motor connects described first blower fan, and described first blower fan connects described pressure acquisition device.
3. stove as claimed in claim 1 drives air assembly, and it is characterized in that, described second wind path comprises the second air door, the second motor, the second blower fan;
Described second air door connects described frequency converter, and described frequency converter connects described second motor, and described second motor connects described second blower fan, and described second blower fan connects described pressure acquisition device.
4. stove as claimed in claim 1 drives air assembly, and it is characterized in that, described converter is connected with described frequency converter.
5. stove as claimed in claim 1 drives air assembly, it is characterized in that, is also provided with pressure transmitter between described pressure acquisition device and described converter.
6. stove as claimed in claim 1 drives air assembly, and it is characterized in that, the jet of described injector is arranged at the upper burner place of stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420456982.0U CN204114989U (en) | 2014-08-13 | 2014-08-13 | Stove drives air assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420456982.0U CN204114989U (en) | 2014-08-13 | 2014-08-13 | Stove drives air assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204114989U true CN204114989U (en) | 2015-01-21 |
Family
ID=52332293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420456982.0U Expired - Fee Related CN204114989U (en) | 2014-08-13 | 2014-08-13 | Stove drives air assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204114989U (en) |
-
2014
- 2014-08-13 CN CN201420456982.0U patent/CN204114989U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20160813 |