CN202885473U - Cooling temperature control device of high temperature flue gas pipeline of tray drier - Google Patents
Cooling temperature control device of high temperature flue gas pipeline of tray drier Download PDFInfo
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- CN202885473U CN202885473U CN 201220512081 CN201220512081U CN202885473U CN 202885473 U CN202885473 U CN 202885473U CN 201220512081 CN201220512081 CN 201220512081 CN 201220512081 U CN201220512081 U CN 201220512081U CN 202885473 U CN202885473 U CN 202885473U
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- flue gas
- temperature flue
- gas pipeline
- control device
- temperature
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Abstract
The utility model provides a cooling temperature control device of a high temperature flue gas pipeline of a tray drier, and belongs to the technical field of vanadium production equipment, and is used in the cooling temperature control device of the high temperature flue gas pipeline of the tray drier in finished vanadium production process. The technical scheme includes that a high temperature induced draft fan is arranged at the front end of the tray drier, a cooling air pipe is inserted into the tray drier through a high temperature flue gas pipeline of the outlet of a rotary kiln, a high temperature flue gas pipeline control component and a temperature measuring element are installed on the high temperature flue gas pipeline, a cooling air pipe control component is installed on the cooling air pipe, a temperature signal is transmitted to a field control station, the field control station outputs a valve location signal, and the quantity of cooling air is controlled through the high temperature flue gas pipeline control component and the cooling air pipe control component. By means of the cooling temperature control device of the high temperature flue gas pipeline of the tray drier, the automatic control of cooling temperature of the high temperature flue gas pipeline of the tray drier is realized, the potential safety hazard caused by metallic oxidation loss of tube wall is avoided, work efficiency of the tray drier is improved, and meanwhile the cooling temperature control device of the high temperature flue gas pipeline saves energy and protects environment of the tray drier, reduces energy waste and brings considerable economic and social benefits.
Description
Technical field
The dried equipment high-temperature flue gas of the dish pipeline that the utility model relates in a kind of vanadium finished product production process is converted cold automatic temperature control, belongs to vanadium production equipment technical field.
Background technology
In the vanadium finished product production process, wet ammonium poly-vanadate is delivered into the dried equipment of dish by transmission equipments such as belts and carries out drying, send into rotary kiln through the ammonium poly-vanadate pulvis of super-dry and carry out oxidizing roasting and form vanadic anhydride or vanadium trioxide finished product, after send into thawing equipment and melt film-making.
In above-mentioned vanadium finished product production process, be energy savings and reduction discharging, the high-temperature flue gas that rotary kiln is produced returns the dried equipment of dish that causes by high temperature draught fan, high-temperature flue gas is dried into the dry powder-shaped ammonium poly-vanadate at the dish ammonium poly-vanadate that will wet in the dried equipment, again the powdery ammonium poly-vanadate is sent into rotary kiln and carry out oxidizing roasting, to reach the purpose of energy savings, minimizing discharge of noxious gases.
In original technical process, high temperature draught fan is arranged on the dried equipment of dish rear end, being about to high-temperature flue gas extracts out from rotary kiln, carry out drying after emptying through the dried equipment of dish to wet ammonium poly-vanadate by the high-temperature flue gas pipeline, arrange at the dried equipment entrance of dish place simultaneously and convert cool air hose and set up manually-operated gate, high-temperature flue gas is carried out adjustment.But in this technical process, temperature control is not good, and pipe temperature and the dried equipment entrance excess Temperature of dish can cause pipeline and coil dried equipment entrance and damage, and manually-operated gate also can't realize adjusting in real time the requirement of converting cold temperature.Simultaneously, this high-temperature flue gas pipeline is converted hardware platform employing DCS or the PLC system of cold control, the employing conventional instrument electrical control that has.Because high-temperature flue gas is from rotary kiln, the flue-gas temperature of rotary kiln is subjected to the impact fluctuation of output and kiln condition larger, the temperature control of coiling dried equipment high-temperature flue gas pipeline belongs to pure hysteresis, large inertia, multiple coupled object, temperature can't realize Automatic Control, system only realizes the data acquisition function, control procedure also only is manually control, so convert in the cold operating process whole, the basic operating personnel's experience that relies on of control is hand-manipulated, because it is uneven that the operator controls level, cause production process control temperature parameter unstable, affect greatly than more sensitive vanadium manufactured goods mass formation on the safe and stable operation of equipment with on temperature, very easily cause high-temperature flue gas pipe welding seam high-temperature oxydation, cracking and drying equipment damage, to such an extent as to the maintenance of equipment cycle shortens, impact is produced.Must stop production in the production and could overhaul, and because narrow space increases the plant maintenance difficulty, maintenance cost improves.
The utility model content
Technical problem to be solved in the utility model provides the dried equipment high-temperature flue gas of a kind of dish pipeline and converts cold temperature control equipment, this device can make the dried equipment high-temperature flue gas pipe temperature of dish be in process of production the Automatic Control state, alleviated workman's labour intensity, reduced the consumption of coal gas equal energy source, and prolonged the service life of the equipment such as high-temperature flue gas pipeline, can bring considerable economic benefit and social benefit.
The technical scheme that solves the problems of the technologies described above is:
The dried equipment high-temperature flue gas of a kind of dish pipeline is converted cold temperature control equipment, comprise the high-temperature flue gas pipeline in its formation, convert cool air hose, high temperature draught fan, its improvements are, it also has detector unit, high-temperature flue gas pipe control device, convert the cool air hose control device, high temperature draught fan is installed in dish and does front equipment end, the high-temperature flue gas pipeline is connected between the outlet of rotary kiln high-temperature flue gas and the high temperature draught fan import, be connected with at the high-temperature flue gas pipeline and convert cool air hose, converting cool air hose and high-temperature flue gas pipeline junction is equipped with and converts the cool air hose control device, at the high-temperature flue gas pipeline high-temperature flue gas pipe control device and detector unit, detector unit are installed, high-temperature flue gas pipe control device, the signal output of converting the cool air hose control device is connected with field control station respectively with input.
The dried equipment high-temperature flue gas of above-mentioned dish pipeline is converted cold temperature control equipment, described field control station is comprised of input module, output module, CPU and interface module, field control station is connected with operator station with the engineer station by industrial switch, and the engineer station is comprised of industrial computer and corresponding NIC.
The dried equipment high-temperature flue gas of above-mentioned dish pipeline is converted cold temperature control equipment, and described detector unit is occasionally thermal resistance of thermoelectricity, and high-temperature flue gas pipe control device, to convert the cool air hose control device be control valve and frequency converter.
Usefulness of the present utility model is:
The utility model moves on to dish with high temperature draught fan by the dried equipment of dish rear end and does front equipment end, convert cool air hose by changing into by the access of rotary kiln outlet high-temperature flue gas pipeline from directly entering the dried equipment of dish, at the high-temperature flue gas pipeline high-temperature flue gas pipe control device and detector unit are installed, install and to convert the cool air hose control device converting cool air hose, detector unit on the high-temperature flue gas pipeline detects the high-temperature flue gas pipe temperature in real time, and temperature signal is sent to the field control station input module, field control station calculates the corresponding valve position signal of output, by high-temperature flue gas pipe control device with convert the cool air hose control device control cold wind amount of being blended into.
The utility model has been realized coiling the automatic control that dried equipment high-temperature flue gas pipeline is converted cold temperature by above improvement, has reduced scaling loss and the cracking of high-temperature flue gas pipeline, has shortened the time between overhauls(TBO), has improved output and product quality; The energy, gas saving equal energy source have also rationally been utilized simultaneously; Automatic Control has also reduced post operation personnel and its workload, has reduced production cost, has reduced the pollution to environment, has brought considerable economic and social benefit.
Description of drawings
Fig. 1 is that the dried equipment high-temperature flue gas of dish of the present utility model pipeline is converted cold temperature control device structure schematic diagram;
Fig. 2 is that the dried equipment high-temperature flue gas of dish of the present utility model pipeline is converted cold temperature control equipment workflow diagram.
Mark is as follows among the figure: engineer station 1, operator station 2, industrial switch 3, field control station 4, rotary kiln 5, high-temperature flue gas pipeline 6, convert cool air hose 7, the dish dried equipment 8, detector unit 9, high-temperature flue gas pipe control device 10, convert cool air hose control device 11, high temperature draught fan 12, interface module 13, CPU14, input module 15, output module 16.
The specific embodiment
Fig. 1 shows that the dried equipment high-temperature flue gas of dish of the present utility model pipeline is converted cold temperature control equipment and comprised engineer station 1, operator station 2, industrial switch 3, field control station 4, rotary kiln 5, high-temperature flue gas pipeline 6, converts cool air hose 7, coils dried equipment 8, high temperature draught fan 12.
Detector unit 9, high-temperature flue gas pipe control device 10 are installed in the high-temperature flue gas pipeline 6, and detector unit 9 is occasionally thermal resistance of thermoelectricity, and high-temperature flue gas pipe control device 10 is control valve and frequency converter.
Convert to install in the cool air hose 7 and convert cool air hose control device 11, convert cool air hose control device 11 and be control valve and frequency converter.
Fig. 1 shows, of the present utility model being improved to: high temperature draught fan 12 is moved on to dried equipment 8 front ends of dish by the dried equipment of dish 8 rear ends, convert cool air hose 7 by changing high-temperature flue gas pipeline 6 accesses that exported by rotary kiln 5 into from directly entering the dried equipment 8 of dish, convert to arrange on the cool air hose 7 and convert cool air hose control device 11.The high-temperature flue gas that is produced by rotary kiln 5 enters high-temperature flue gas pipeline 6 by high temperature draught fan 12 extractions, at high-temperature flue gas pipeline 6 high-temperature flue gas pipe control device 10 and detector unit 9 is set.The flue gas of converting after cool tone saves enters the dried equipment 8 of dish by high temperature draught fan 12 extractions and after pressurizeing.
Fig. 1 shows, detector unit 9, high-temperature flue gas pipe control device 10, the signal output of converting cool air hose control device 11 are connected with field control station 4 respectively with input, field control station 4 is connected with operator station 2 with engineer station 1 by industrial switch 3, and engineer station 1 is comprised of industrial computer and corresponding NIC.
Among the embodiment of the present utility model, detector unit 9 is K type thermocouple, and high-temperature flue gas pipe control device 10 is control valve with converting cool air hose control device 11, and engineer station 1 and operator station 2 are industrial computer.
Fig. 2 shows that workflow of the present utility model is:
Detector unit 9 on the high-temperature flue gas pipeline 6 detects high-temperature flue gas pipeline 6 temperature in real time, and temperature signal is sent to the input module 15 of field control station 4.High-temperature flue gas pipe control device 10 on the high-temperature flue gas pipeline 6 and the input module 15 that cool air hose control device 11 transmits signals to field control station 4 of converting of converting on the cool air hose 7.At the scene in the control station 4 by convert cold Temperature Control Model analysis temperature variation tendency and rate of change and with the setting value slope gradient of comparing, calculate the corresponding valve position signal of output, by converting the cool air hose control device 11 control cold wind amounts of being blended into of converting of cool air hose 7.Simultaneously, the flue gas inlet by the dried equipment 8 of high-temperature flue gas pipe control device 10 control panels on the high-temperature flue gas pipeline 6.
High-temperature flue gas pipe control device 10 is used for controlling when following situation occurs: material seldom needs again to guarantee the continuity of producing and adjusts high-temperature flue gas pipe control device 10, makes that valve position is corresponding to diminish; The material feeding greatly guarantees the continuity of producing and adjusts high-temperature flue gas pipe control device 10, makes the strain of valve position phase large; When breaking down or closing high-temperature flue gas pipe control device 10 during the follow-up equipment Maintenance and Repair, close simultaneously high temperature draught fan 12, guarantee follow-up equipment safety.
The technical parameters such as the temperature signal after field control station 4 will be changed by industrial switch 3, on-the-spot executive component state are uploaded to engineer station 1 or operator station 2, the temperature value that in engineer station 1 or operator station 2, shows the high-temperature flue gas pipeline 6 that receives, convert the technical parameter values such as cold degree signal, store corresponding Trend value, system, equipment state are carried out Centralized Monitoring, various overrun condition are sent alarm signal, remind the operator, and generation technique form or daily production report.
The utility model is under the systems soft ware of DCS/PLC is supported, by DCS/PLC software configuration and high-level language programs exploitation, develop and convert cold Temperature Control Model, engineer station 1 is used for software programming, can doublely do operator station 2 and use, operator station 2 uses monitoring, operation and the management of production process.
Claims (3)
1. the dried equipment high-temperature flue gas pipeline of dish is converted cold temperature control equipment, comprise high-temperature flue gas pipeline (6) in its formation, convert cool air hose (7), high temperature draught fan (12), it is characterized in that: it also has detector unit (9), high-temperature flue gas pipe control device (10), convert cool air hose control device (11), high temperature draught fan (12) is installed in dish dried equipment (8) front end, high-temperature flue gas pipeline (6) is connected between the outlet of rotary kiln (5) high-temperature flue gas and high temperature draught fan (12) import, be connected with at high-temperature flue gas pipeline (6) and convert cool air hose (7), converting cool air hose (7) and high-temperature flue gas pipeline (6) junction is equipped with and converts cool air hose control device (11), at high-temperature flue gas pipeline (6) high-temperature flue gas pipe control device (10) and detector unit (9), detector unit (9) are installed, high-temperature flue gas pipe control device (10), the signal output of converting cool air hose control device (11) is connected with field control station (4) respectively with input.
2. the dried equipment high-temperature flue gas of dish according to claim 1 pipeline is converted cold temperature control equipment, it is characterized in that: described field control station (4) is by input module (15), output module (16), CPU(14) and interface module (13) form, field control station (4) is connected with operator station (2) with engineer station (1) by industrial switch (3), and engineer station (1) is comprised of industrial computer and corresponding NIC.
3. the dried equipment high-temperature flue gas of dish according to claim 2 pipeline is converted cold temperature control equipment, it is characterized in that: described detector unit (9) is thermoelectricity thermal resistance occasionally, and high-temperature flue gas pipe control device (10), to convert cool air hose control device (11) be control valve and frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220512081 CN202885473U (en) | 2012-10-08 | 2012-10-08 | Cooling temperature control device of high temperature flue gas pipeline of tray drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220512081 CN202885473U (en) | 2012-10-08 | 2012-10-08 | Cooling temperature control device of high temperature flue gas pipeline of tray drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202885473U true CN202885473U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220512081 Expired - Lifetime CN202885473U (en) | 2012-10-08 | 2012-10-08 | Cooling temperature control device of high temperature flue gas pipeline of tray drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202885473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944108A (en) * | 2012-10-08 | 2013-02-27 | 河北钢铁股份有限公司承德分公司 | Device and method for controlling cooling temperature of high-temperature flue pipe of disc drying equipment |
-
2012
- 2012-10-08 CN CN 201220512081 patent/CN202885473U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944108A (en) * | 2012-10-08 | 2013-02-27 | 河北钢铁股份有限公司承德分公司 | Device and method for controlling cooling temperature of high-temperature flue pipe of disc drying equipment |
| CN102944108B (en) * | 2012-10-08 | 2015-02-25 | 河北钢铁股份有限公司承德分公司 | Device and method for controlling cooling temperature of high-temperature flue pipe of disc drying equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |