CN204084401U - Constant temperature smoke evacuation control device in a kind of burning process - Google Patents
Constant temperature smoke evacuation control device in a kind of burning process Download PDFInfo
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- CN204084401U CN204084401U CN201420540174.2U CN201420540174U CN204084401U CN 204084401 U CN204084401 U CN 204084401U CN 201420540174 U CN201420540174 U CN 201420540174U CN 204084401 U CN204084401 U CN 204084401U
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- heat exchanger
- constant temperature
- smoke evacuation
- control device
- burning process
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Abstract
The utility model belongs to the technical field of process, is specially constant temperature smoke evacuation control device in a kind of burning process.Adopt the scheme of main heat exchanger and a thermostatic tank flexible combination, and in conjunction with temperature sensor and electric control valve and secondary meter as auxiliary, constant temperature smoke evacuation under the processing load that automatic adaptation is different, effectively prevent cold end corrosion and high temperature injury, improve follow-up equipment service life and save the maintenance cost of equipment.
Description
Technical field
The utility model belongs to the technical field of process, is specially constant temperature smoke evacuation control device in a kind of burning process.
Background technology
To the process of rubbish and part danger wastes, at present adopt burning process process more.For preventing the generation of the dangerous poisonous and harmful substances such as bioxin, burning adopts secondary firing more, and require discarded object when burning in the second level temperature more than 850 DEG C, flue-gas temperature will reach about 1000 DEG C, but require that exhaust gas temperature is about 200 DEG C, and temperature fall time requires fast, namely within the time of about 2s, be down to the temperature of requirement, at present, adopt the mode of spray to lower the temperature, spraying cooling causes heat not utilized, waste energy, and add smoke moisture greatly, to the corrosion of follow-up equipment, another more serious problem is, due to the difference of quantity combusted, when the load instability of i.e. fume treatment, the temperature range change of the flue gas after process greatly, bring exhaust gas temperature unstable, thus exhaust gas temperature is too high, follow-up equipment is damaged, exhaust gas temperature is too low, then all corrode, therefore cause system cloud gray model unstable, the defects such as operating cost is high, current urgent need is a kind of can when processing load amount changes, can effectively control constant temperature smoke exhaust method.
Summary of the invention
The purpose of this utility model is to provide constant temperature smoke evacuation control device in a kind of burning process, adopt the scheme of main heat exchanger and thermostatic tank flexible combination, and in conjunction with temperature sensor and electric control valve and secondary meter as auxiliary, constant temperature smoke evacuation under the processing load that automatic adaptation is different, effectively prevent cold end corrosion and high temperature injury, improve follow-up equipment service life and save the maintenance cost of equipment.
The technical solution of the utility model is:
Constant temperature smoke evacuation control method in a kind of burning process, its step is as follows: enter main heat exchanger from incinerator flue gas out, by entering flue gas Constant temp. regulating device by exhanst gas outlet by pipeline after main heat exchanger heat exchange, by the thermostatic control to flue gas, make cigarette temperature at 150-250 DEG C, the flue gas after heat exchange enters flue.
This flue is provided with temperature sensor.
Constant temperature smoke evacuation control device in a kind of burning process, comprise main heat exchanger, it is characterized in that, the exhanst gas outlet of described main heat exchanger connects thermostatic tank by pipeline, described thermostatic tank inside is provided with a point heat exchanger I, point heat exchanger II, is provided with valve I at the smoke inlet of point heat exchanger I, is provided with valve II at the smoke inlet of point heat exchanger II, the exhanst gas outlet of this point of heat exchanger I connects flue, and the exhanst gas outlet of this point of heat exchanger II connects flue; Described flue is provided with temperature sensor.
It is 150-250 DEG C that described temperature sensor controls flue-gas temperature, and described temperature sensor is controlled by PLC.
Described main heat exchanger comprises the first-class heat exchanger and rapid-cooling heat exchanger that are arranged in series.
The heat exchange area of described point heat exchanger I is 2 times of the heat exchange area of point heat exchanger II, two different heat exchange areas, and the combination can producing heat exchange areas different in 4 (if represent with a with the heat exchange area of point heat exchanger II, then has following 4 kinds of combinations, 0; A; 2a; 3a), thus can in the larger context to flue range regulation discharge effect.
The pipeline of the exhanst gas outlet of main heat exchanger is provided with valve III.
Described valve I, valve II, valve III are electric control valve, are controlled by PLC.
The beneficial effects of the utility model are:
First, the utility model adopts dry process technique, and simplify processes technique, without the need to carrying out spraying cooling, improves the re-using rate to heat energy, extends the service life of follow-up equipment.
This thermostatically-controlled equipment, adopts the replacement of heat exchange area flexibly, automatically adapts to constant temperature smoke evacuation under different processing load, effectively prevents cold end corrosion and high temperature injury, improves follow-up equipment service life and saves the maintenance cost of equipment.
Thus achieve, in different garbage disposal loads, the long-term stability of protection cloth bag and charcoal absorption is run.
Thermostatically-controlled equipment of the present utility model also adopts temperature sensor and electric control valve and secondary meter as auxiliary, and Automatic Control and operation, adjust automatically to different garbage disposal loads, realizes different heat exchange area Automatic Combined and regulate heat-exchange temperature.
In a word, constant temperature smoke evacuation control device in burning process of the present utility model, the sweetly disposition achieving different load of simple and flexible, improves apparatus self-adaptation performance, possesses outstanding substantive distinguishing features and significant progress.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Wherein, 1-first-class heat exchanger, 2-rapid-cooling heat exchanger, 3-valve I, 4-valve II, 5-valve III, 6-flue, 8-thermostatic tank, 9-temperature sensor.
Detailed description of the invention
Below by specific embodiment, the technical solution of the utility model is described in detail.
Constant temperature smoke evacuation control method in a kind of burning process, its step is as follows: enter main heat exchanger from incinerator flue gas out, by entering flue gas Constant temp. regulating device by exhanst gas outlet by pipeline after main heat exchanger heat exchange, by the thermostatic control to flue gas, make cigarette temperature at 150-250 DEG C, the flue gas after heat exchange enters flue.
This flue is provided with temperature sensor.
Coordinate above-mentioned processing method, the utility model devises constant temperature smoke evacuation control device in a set of burning process, and concrete technical scheme is as follows, and 1 can find out by reference to the accompanying drawings,
Comprise main heat exchanger, described main heat exchanger comprises the first-class heat exchanger 1 and rapid-cooling heat exchanger 2 that are arranged in series, the exhanst gas outlet of described main heat exchanger connects thermostatic tank 8 by pipeline, described thermostatic tank inside is provided with a point heat exchanger I, point heat exchanger II, valve I 3 is provided with at the smoke inlet of point heat exchanger I, be provided with valve II 4 at the smoke inlet of point heat exchanger II, the exhanst gas outlet of this point of heat exchanger I connects flue, and the exhanst gas outlet of this point of heat exchanger II connects flue; Described flue 6 is provided with temperature sensor 9.
It is 150-250 DEG C that described temperature sensor controls flue-gas temperature, and described temperature sensor is controlled by PLC.
In actual use: the heat exchange area of described point heat exchanger I is 2 times of the heat exchange area of point heat exchanger II, two different heat exchange areas, the combination can producing heat exchange areas different in 4 (if represent with a with the heat exchange area of point heat exchanger II, then has following 4 kinds of combinations, 0; A; 2a; 3a), thus can in the larger context to flue range regulation discharge effect.Adopt the replacement of heat exchange area flexibly, automatically adapt to constant temperature smoke evacuation under different processing load, effectively prevent cold end corrosion and high temperature injury, improve follow-up equipment service life and save the maintenance cost of equipment; Achieve, in different garbage disposal loads, the long-term stability of protection cloth bag and charcoal absorption is run.
Described valve I 3, valve II 4, valve III 5 are electric control valve, are electrically connected with PLC, realize being controlled by PLC.Send cigarette temperature to secondary meter by temperature sensor, secondary meter, according to the cigarette temperature of actual measurement, regulates the pass of each valve or opens, the exhaust gas temperature of heat exchange area and requirement is adapted.
Claims (6)
1. constant temperature smoke evacuation control device in a burning process, comprise main heat exchanger, it is characterized in that, the exhanst gas outlet of described main heat exchanger connects thermostatic tank by pipeline, described thermostatic tank inside is provided with a point heat exchanger I, point heat exchanger II, is provided with valve I at the smoke inlet of point heat exchanger I, is provided with valve II at the smoke inlet of point heat exchanger II, the exhanst gas outlet of this point of heat exchanger I connects flue, and the exhanst gas outlet of this point of heat exchanger II connects flue; Described flue is provided with temperature sensor.
2. constant temperature smoke evacuation control device in a kind of burning process according to claim 1, it is characterized in that, described main heat exchanger comprises the first-class heat exchanger and rapid-cooling heat exchanger that are arranged in series.
3. constant temperature smoke evacuation control device in a kind of burning process according to claim 1, it is characterized in that, the heat exchange area of described point heat exchanger I is 2 times of the heat exchange area of point heat exchanger II.
4. constant temperature smoke evacuation control device in a kind of burning process according to claim 1, it is characterized in that, it is 150-250 DEG C that described temperature sensor controls flue-gas temperature.
5. constant temperature smoke evacuation control device in a kind of burning process according to claim 1, is characterized in that, the pipeline of the exhanst gas outlet of main heat exchanger is provided with valve III.
6. constant temperature smoke evacuation control device in a kind of burning process according to claim 1, it is characterized in that, described valve I, valve II, valve III are electric control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420540174.2U CN204084401U (en) | 2014-09-19 | 2014-09-19 | Constant temperature smoke evacuation control device in a kind of burning process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420540174.2U CN204084401U (en) | 2014-09-19 | 2014-09-19 | Constant temperature smoke evacuation control device in a kind of burning process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204084401U true CN204084401U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420540174.2U Expired - Fee Related CN204084401U (en) | 2014-09-19 | 2014-09-19 | Constant temperature smoke evacuation control device in a kind of burning process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204084401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214783A (en) * | 2014-09-19 | 2014-12-17 | 王惠生 | Constant-temperature smoke exhaust control method and device in incineration process |
-
2014
- 2014-09-19 CN CN201420540174.2U patent/CN204084401U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214783A (en) * | 2014-09-19 | 2014-12-17 | 王惠生 | Constant-temperature smoke exhaust control method and device in incineration process |
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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: 20150107 Termination date: 20180919 |