CN203443131U - Automatic constant temperature mechanism of hot air furnace - Google Patents
Automatic constant temperature mechanism of hot air furnace Download PDFInfo
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- CN203443131U CN203443131U CN201320466490.5U CN201320466490U CN203443131U CN 203443131 U CN203443131 U CN 203443131U CN 201320466490 U CN201320466490 U CN 201320466490U CN 203443131 U CN203443131 U CN 203443131U
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- hot air
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Abstract
The utility model relates to a hot air furnace temperature control device, in particular to an automatic constant temperature mechanism of a hot air furnace. The automatic constant temperature mechanism comprises a hot air furnace hot air duct, a cold air duct and a mixed air duct, wherein the tail end of the hot air furnace hot air duct and the tail end of the cold air duct are both communicated with the mixed air duct, air doors are arranged in the hot air furnace hot air duct and the cold air duct respectively, the air door of the hot air duct and the air door of the cold air duct are coaxial and are vertical to each other, and the air door of the hot air duct and the air door of the cold air duct can axially rotate under the driving of an air door motor. A single chip microcomputer system used in the mechanism can be used for converting a sensor temperature signal into a signal for controlling the air door motor through a specific analytical algorithm, and the deflection angles of the two air doors are conveniently and properly adjusted through the air door motor, so that uniform mixing of high temperature hot air and natural cold air is realized, and mixed hot air with constant temperature is finally output.
Description
Technical field
The utility model relates to a kind of hot-blast stove attemperating unit, especially relates to a kind of hot-blast stove automatic constant-temperature mechanism.
Background technology
Hot-blast stove is the important heat-exchange device in modern industry production process, and its temperature control system is also an important Thermal Control System in modern industry system, can realize the temperature that hot-blast stove is good and control, and be to improve one of industrial key factor.
For hot-blast stove temperature control system, have like this compared with the control object of large time delay, non-linear, time variation, temperature-controlled process in the past often will adopt traditional pid control mode, and conventional PID controllers design is based on mathematical model of controlled plant, cannot carry out real-time and online parameter adjustment, be difficult to adapt to the control of hot-blast furnace temperature complicated and changeable, control effect undesirable.
Summary of the invention
For overcoming the deficiencies in the prior art part, the utility model provides a kind of simple and practical hot-blast stove automatic constant-temperature mechanism, to solve the hot-blast furnace temperature that prior art exists, controls difficult technical problem.
The utility model is to solve the problems of the technologies described above adopted technical scheme to be: hot-blast stove automatic constant-temperature mechanism, comprise hot air furnace hot air road, cold air duct and mixing air channel, the end of described hot air furnace hot air road and cold air duct all with the described air channel UNICOM of mixing, in described hot air furnace hot air road and cold air duct, be respectively equipped with air door; The air door of described hot-flow flue is coaxial with the air door of described cold air duct and mutually vertical, and described hot-flow flue air door and cold air duct air door can be made axial rotation under damper motor drives; Described mixing is equipped with a temperature sensor in air channel, and this temperature sensor signal output is connected with the input of SCM system, and the output of described SCM system is connected with the control end of described damper motor.
Further, on the entrance sidewall in described mixing air channel, stirring blades is housed, this stirring blades is several pieces vane group that tilt to same direction, and itself does not rotate.
Beneficial effect: the utility model SCM system used by sensor temperature signal by specific parser, the control signal of generation to valve motor, by damper motor, facilitate, adjust rightly the deflection angle of two air doors, realize the even mixing of high-temperature hot-air and natural cold wind, the final constant mixing hot blast of output temperature.
Accompanying drawing explanation
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is whole cutaway view of the present utility model,
Fig. 2 is partial sectional view of the present utility model,
Fig. 3 is structure perspective view of the present utility model.
The specific embodiment
Referring to Fig. 1, Fig. 2, hot-blast stove automatic constant-temperature mechanism, comprises hot air furnace hot air road 1, cold air duct 2 and mixes air channel 3, the end of hot air furnace hot air road 1 and cold air duct 2 all with mix air channel 3 UNICOMs, in hot air furnace hot air road 1, be provided with air door 4, cold wind, is provided with air door 5 in 2; Wherein hot-flow flue air door 4 is coaxial with cold air duct air door 5 and mutually vertical, and hot-flow flue air door 4 can be made axial rotation with cold air duct air door 5 under damper motor 8 drives; Mix in air channel 3 temperature sensor 6 is housed, the signal output part of temperature sensor 6 is connected with the input of SCM system 7, and the output of SCM system 7 is connected with the control end of damper motor 8.
On the entrance sidewall in mixing air channel 3, stirring blades 9 is housed, stirring blades 9 is several pieces vane group that tilt to same direction, itself does not rotate (as shown in Figure 3).
During the work of this device, mixing 3 air outlet places, air channel is negative pressure exhausting state, cold wind in the interior high temperature air of hot-flow flue 1 and cold air duct 2 is by passive suction in this case, by air door 4, 5 can regulate the openings of sizes in two air channels, cold- hot air door 4, 5 is one group of linkage, for two mutually perpendicular circular valves in same rotating shaft, diameter is just in time air channel internal diameter, when changing into level, an air door will close this air channel completely, now the state of another air door of air duct is in plumbness, open completely in air channel, the rotation of air door is controlled by damper motor 8, therefore we just can facilitate by damper motor, adjust rightly the air intake ratio in two air channels.
Hot and cold air starts to unite two into one after air door 4,5, starts rapid mixing and become the uniform hot blast of temperature after the stirring blades 9 through mixing air channel 3.
In stirring blades 9 a distance, lower end, a temperature sensor 6 is housed, sensor 6 is connected with SCM system 7, be used for surveying mixed gas flow temperature, SCM system 7 is by specific parser, the control signal of generation to valve motor 8, by damper motor 8 convenience, adjust rightly the deflection angle of two air doors 4,5, realize the even mixing of high-temperature hot-air and natural cold wind, realize the constant control of outlet temperature.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that in the situation that not departing from principle of the present utility model and spirit and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claims and equivalent thereof.
Claims (3)
1. hot-blast stove automatic constant-temperature mechanism, comprises hot air furnace hot air road, cold air duct and mixing air channel, the end of described hot air furnace hot air road and cold air duct all with the described air channel UNICOM of mixing, in described hot air furnace hot air road and cold air duct, be respectively equipped with air door; It is characterized in that: the air door of described hot-flow flue is coaxial with the air door of described cold air duct and mutually vertical, described hot-flow flue air door and cold air duct air door can be made axial rotation under damper motor drives; Described mixing is equipped with a temperature sensor in air channel, and this temperature sensor signal output is connected with the input of SCM system, and the output of described SCM system is connected with the control end of described damper motor.
2. hot-blast stove automatic constant-temperature mechanism according to claim 1, is characterized in that: on the entrance sidewall in described mixing air channel, stirring blades is housed, this stirring blades is several pieces vane group that tilt to same direction.
3. hot-blast stove automatic constant-temperature mechanism according to claim 1, is characterized in that: described hot-flow flue air door and cold air duct air door are two mutually perpendicular circular valves in same rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320466490.5U CN203443131U (en) | 2013-08-01 | 2013-08-01 | Automatic constant temperature mechanism of hot air furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320466490.5U CN203443131U (en) | 2013-08-01 | 2013-08-01 | Automatic constant temperature mechanism of hot air furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203443131U true CN203443131U (en) | 2014-02-19 |
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ID=50094179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320466490.5U Expired - Fee Related CN203443131U (en) | 2013-08-01 | 2013-08-01 | Automatic constant temperature mechanism of hot air furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203443131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950826A (en) * | 2014-03-28 | 2015-09-30 | 上海宝冶集团有限公司 | Method of simulating thermal load linkage trial run by hot blast stove |
-
2013
- 2013-08-01 CN CN201320466490.5U patent/CN203443131U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950826A (en) * | 2014-03-28 | 2015-09-30 | 上海宝冶集团有限公司 | Method of simulating thermal load linkage trial run by hot blast stove |
| CN104950826B (en) * | 2014-03-28 | 2018-02-16 | 上海宝冶集团有限公司 | Hot-blast stove simulates thermic load linkage trial run method |
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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: 20140219 Termination date: 20160801 |