CN104388648A - Device and method for controlling constant temperature and constant flow of cooling liquid in quenching tank - Google Patents
Device and method for controlling constant temperature and constant flow of cooling liquid in quenching tank Download PDFInfo
- Publication number
- CN104388648A CN104388648A CN201410675522.1A CN201410675522A CN104388648A CN 104388648 A CN104388648 A CN 104388648A CN 201410675522 A CN201410675522 A CN 201410675522A CN 104388648 A CN104388648 A CN 104388648A
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- CN
- China
- Prior art keywords
- program control
- intelligent program
- quenching tank
- variable
- drive system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
Abstract
The invention provides a device for controlling constant temperature and constant flow of cooling liquid in a quenching tank; the device comprises a propeller stirrer, a guide plate, the quenching tank, a variable-frequency motor, a high-precision temperature sensor, an electric heater, an intelligent program control driver, a special fluid sensor and an air cooler; the intelligent program control driver controls the variable-frequency motor to drive the propeller stirrer to work; the high-precision temperature sensor and the special fluid sensor are used for detecting and collecting temperature and flow of the quenching tank respectively in real time, and then inputting into the intelligent program control driver to display and compare; and then, the intelligent program control driver controls the output states of the electric heater, the air cooler and the variable-frequency motor. The device disclosed by the invention has the beneficial effects that because cooling liquid for quenching is constant in temperature and flow and uniform in concentration, the dynamic balance in the whole quenching process is kept; the technological reproducibility is good; the production efficiency is increased; and the service life of the device is prolonged.
Description
Technical field
The invention belongs to technical field of automatic control, particularly relate to a kind of temperature for cooling fluid in quenching tank, flow rate control device.
Background technology
Quenching technique is as the important component part of heat treatment process, current China heat treatment industry continues the traditional-handwork operation of the quenching under static medium always, only rely on the accumulation of operator previous experiences, extensive, mechanically operation control the quench cooled time.Due to along with after repeated hardening, the change of quenching tank coolant temperature is excessive, and coolant rate, concentration change, and very easily causes the problem in quality product, makes workpiece deformation, cracking, cause scrapping.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of intelligentized control method mode that adopts for the control device of cooling fluid constant temperature, constant current in quenching tank, is especially applicable to the large enterprise for the treatment of production working strength.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of for cooling fluid constant temperature, constant-current control device in quenching tank, comprises propeller stirrer, flow deflector, quenching tank, variable-frequency motor, temperature sensors of high precision, electric heater, intelligent program control and drive system, dedicated stream body sensor and air-cooler;
Intelligent program control and drive system controls variable-frequency motor and drives propeller stirrer work, cooling fluid forms eddy current through flow deflector in quenching tank, temperature sensors of high precision, dedicated stream body sensor detect in real time to the temperature of quenching tank and flow respectively, gather after, be input to intelligent program control and drive system to carry out showing, comparing, then control the output state of electric heater, air-cooler and variable-frequency motor by intelligent program control and drive system;
Further, the output state of described electric heater, air-cooler and variable-frequency motor comprises the adjustment of start and stop, size or power.
A kind of for cooling fluid constant temperature, constant current control method in quenching tank, comprise the following steps:
Step 1, setting intelligent program control and drive system operating panel processing parameter;
Step 2, send control signal by intelligent program control and drive system, start variable-frequency motor and drive propeller stirrer work, make cooling fluid in quenching tank, produce eddy current through flow deflector;
Step 3, temperature sensors of high precision and dedicated stream body sensor detect in real time to the temperature of quenching tank and flow respectively, gather after, by result feedback to intelligent program control and drive system;
Step 4, intelligent program control and drive system carry out computing, process according to the result of step 3, control the working order of electric heater, air-cooler and variable-frequency motor.
The advantage that the present invention has and positively effect are: operating safety of the present invention, reliable, stable, energy consumption is low, not only save manpower, reduce labour intensity, improve throughput, also significantly improve the Working environment of operator; In addition, the cooling fluid due to quench treatment is constant temperature, constant current, even concentration state, and make whole quench treatment process be maintained to running balance, technique favorable reproducibility, steady quality, considerably improves production efficiency, extends the work-ing life of device.
Accompanying drawing explanation
Fig. 1 is syndeton schematic diagram of the present invention
In figure:
1. propeller stirrer; 2. flow deflector; 3. large-scale workpiece; 4. quenching tank; 5. variable-frequency motor; 6. temperature sensors of high precision; 7. electric heater; 8. intelligent program control and drive system; 9. dedicated stream body sensor; 10. air-cooler.
Embodiment
As shown in Figure 1, the invention provides a kind of for cooling fluid constant temperature, constant-current control device in quenching tank, comprise propeller stirrer 1, flow deflector 2, quenching tank 4, variable-frequency motor 5, temperature sensors of high precision 6, electric heater 7, intelligent program control and drive system 8, dedicated stream body sensor 9 and air-cooler 10;
Intelligent program control and drive system 8 controls variable-frequency motor 5 and drives propeller stirrer 1 to work, cooling fluid forms eddy current through flow deflector 2 in quenching tank 4, temperature sensors of high precision 6, dedicated stream body sensor 9 detect in real time to the temperature of quenching tank 4 and flow respectively, gather after, be input to intelligent program control and drive system 8 to carry out showing, comparing, then control the output state of electric heater 7, air-cooler 10 and variable-frequency motor 5 by intelligent program control and drive system 8; The output state of described electric heater 7, air-cooler 10 and variable-frequency motor 5 comprises the adjustment of start and stop, size or power.
The present embodiment intelligent control principle of work and course of action:
First, intelligent program control and drive system 8 operating panel sets processing parameter, after pressing [confirmation] key, startup optimization, now run indicator is bright, variable-frequency motor 5 drives propeller stirrer 1 to run according to control signal, produces eddy current through flow deflector 2 in quenching tank 4, ensures cooling fluid even concentration in quenching tank.If when coolant temperature is lower than set(ting)value, intelligent program control and drive system 8 controls electric heater 7 unlatching and enters heated condition, and coolant temperature in quenching tank 4 is raised, until stop after reaching design temperature; If when coolant temperature is higher than set(ting)value, intelligent program control and drive system 8 controls air-cooler 10 unlatching and enters the state of cooling, until stop after returning design temperature, thus makes coolant temperature in quenching tank be temperature constant state.When carrying out repeated hardening process, if temperature, flow depart from set(ting)value, intelligent program control and drive system 8 is fed back in time by temperature sensors of high precision 6, dedicated stream body sensor 9, intelligent program control and drive system 8 carries out the state of computing, process, control respective actuators according to the information gathered, and guarantees the temperature of quenching tank cooling fluid, flow reaches the optimum value of effect needed for workpiece.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (3)
1. for cooling fluid constant temperature, a constant-current control device in quenching tank, it is characterized in that: comprise propeller stirrer, flow deflector, quenching tank, variable-frequency motor, temperature sensors of high precision, electric heater, intelligent program control and drive system, dedicated stream body sensor and air-cooler;
Intelligent program control and drive system controls variable-frequency motor and drives propeller stirrer work, temperature sensors of high precision, dedicated stream body sensor detect the temperature of quenching tank and flow respectively, gather after, be input to intelligent program control and drive system to compare, then control the output state of electric heater, air-cooler and variable-frequency motor by intelligent program control and drive system.
2. according to claim 1 for cooling fluid constant temperature, constant-current control device in quenching tank, it is characterized in that: the output state of described electric heater, air-cooler and variable-frequency motor comprises the adjustment of start and stop, size or power.
3. by described in claim 1 for a control method for cooling fluid constant temperature, constant-current control device in quenching tank, comprise the following steps:
Step 1, setting intelligent program control and drive system operating panel processing parameter;
Step 2, send control signal by intelligent program control and drive system, start variable-frequency motor and drive propeller stirrer work;
Step 3, temperature sensors of high precision and dedicated stream body sensor detect in real time to the temperature of quenching tank and flow respectively, gather after, by result feedback to intelligent program control and drive system;
Step 4, intelligent program control and drive system carry out computing, process according to the result of step 3, control the working order of electric heater, air-cooler and variable-frequency motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410675522.1A CN104388648A (en) | 2014-11-21 | 2014-11-21 | Device and method for controlling constant temperature and constant flow of cooling liquid in quenching tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410675522.1A CN104388648A (en) | 2014-11-21 | 2014-11-21 | Device and method for controlling constant temperature and constant flow of cooling liquid in quenching tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104388648A true CN104388648A (en) | 2015-03-04 |
Family
ID=52606604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410675522.1A Pending CN104388648A (en) | 2014-11-21 | 2014-11-21 | Device and method for controlling constant temperature and constant flow of cooling liquid in quenching tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104388648A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116377206A (en) * | 2023-06-05 | 2023-07-04 | 江苏伟鑫热处理设备有限公司 | Heat exchange flow distribution device based on constant temperature heat treatment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2337158Y (en) * | 1998-09-24 | 1999-09-08 | 李树中 | Isothermal chilling salt bath furnace |
| CN2613488Y (en) * | 2003-03-20 | 2004-04-28 | 东风汽车公司 | Intenral heating-cooling nitrate quenching furnace |
| CN201622282U (en) * | 2010-02-05 | 2010-11-03 | 郑州机械研究所 | Flow velocity measuring device |
| CN201990701U (en) * | 2011-01-30 | 2011-09-28 | 深圳市和胜金属技术有限公司 | Die cooling mechanism |
| CN203613225U (en) * | 2013-07-31 | 2014-05-28 | 邯郸市津诚环保机械设备有限公司 | Stirring type quenching equipment |
| CN204224655U (en) * | 2014-11-21 | 2015-03-25 | 天津市热处理研究所有限公司 | A kind of for cooling fluid constant temperature, constant-current control device in quenching tank |
-
2014
- 2014-11-21 CN CN201410675522.1A patent/CN104388648A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2337158Y (en) * | 1998-09-24 | 1999-09-08 | 李树中 | Isothermal chilling salt bath furnace |
| CN2613488Y (en) * | 2003-03-20 | 2004-04-28 | 东风汽车公司 | Intenral heating-cooling nitrate quenching furnace |
| CN201622282U (en) * | 2010-02-05 | 2010-11-03 | 郑州机械研究所 | Flow velocity measuring device |
| CN201990701U (en) * | 2011-01-30 | 2011-09-28 | 深圳市和胜金属技术有限公司 | Die cooling mechanism |
| CN203613225U (en) * | 2013-07-31 | 2014-05-28 | 邯郸市津诚环保机械设备有限公司 | Stirring type quenching equipment |
| CN204224655U (en) * | 2014-11-21 | 2015-03-25 | 天津市热处理研究所有限公司 | A kind of for cooling fluid constant temperature, constant-current control device in quenching tank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116377206A (en) * | 2023-06-05 | 2023-07-04 | 江苏伟鑫热处理设备有限公司 | Heat exchange flow distribution device based on constant temperature heat treatment |
| CN116377206B (en) * | 2023-06-05 | 2023-11-28 | 江苏伟鑫热处理设备有限公司 | Heat exchange flow distribution device based on constant temperature heat treatment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150304 |