CN105861792A - Online water content measuring device for thermal treatment furnace quenching oil - Google Patents
Online water content measuring device for thermal treatment furnace quenching oil Download PDFInfo
- Publication number
- CN105861792A CN105861792A CN201610390132.9A CN201610390132A CN105861792A CN 105861792 A CN105861792 A CN 105861792A CN 201610390132 A CN201610390132 A CN 201610390132A CN 105861792 A CN105861792 A CN 105861792A
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- Prior art keywords
- humidity
- temperature
- quenching oil
- treatment furnace
- value
- 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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Links
- 238000010791 quenching Methods 0.000 title claims abstract description 40
- 230000000171 quenching effect Effects 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 8
- 238000007669 thermal treatment Methods 0.000 title abstract 5
- 238000005259 measurement Methods 0.000 claims abstract description 30
- 239000000523 sample Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 20
- 230000001419 dependent effect Effects 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910001055 inconels 600 Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 101150009089 tifa gene Proteins 0.000 description 1
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
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/58—Oils
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Specific substances contained in the oils or fuels
- G01N33/2847—Water in oils
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Medicinal Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Food Science & Technology (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses an online water content measuring device for thermal treatment furnace quenching oil. The device comprises a programmable logic controller, a temperature and humidity measuring module and a signal output module, wherein the temperature and humidity measuring module and the signal output module are connected with the programmable logic controller. The temperature and humidity measuring module is connected with an oil groove of a thermal treatment furnace through a probe so as to measure the temperature and humidity of quenching oil in the oil groove and transmit the measured temperature and humidity values to the programmable logic controller. The signal output module is used for outputting the temperature and humidity values measured by the temperature and humidity measuring module. The online water content measuring device for thermal treatment furnace quenching oil can achieve real-time online measurement of the humidity (water content) of quenching oil in the thermal treatment furnace; in addition, when the humidity in the quenching oil is excessively high or excessively low, an alarm signal is sent out so as to remind an operator to treat the water content in the quenching oil in time.
Description
Technical field
The present invention relates to moisture on-line detection technique field, particularly relate to a kind of online water of heat-treatment furnace quenching oil
Divide measurement apparatus.
Background technology
Quenching oil in heat-treatment furnace is the important cooling medium realizing Technology for Heating Processing, and quenching oil is in specific temperature
Water content (relative humidity) under Du directly affects cooling performance and the quenching safety of quenching oil, controls to quench
Moisture in kerosene is one of key link of heat treated process control.
In prior art, general way is periodically or non-periodically to take the quenching oil in heat-treatment furnace
Sample, then delivers to specialty testing agency by sample, and standard GB/T/T 11133 " liquid stone is pressed by testing agency
Oil product Water content determination method (karr. Fei Tifa) " Sample moisture is detected.Above-mentioned measuring method
The detection cycle is long, it is impossible to realizes the humidity of quenching oil is carried out real-time online measuring, reduces at the heat of product
Reason quality control reliability, causes the potential safety hazard in heat treatment process.
Summary of the invention
For solving above-mentioned technical problem, the present invention proposes following technical scheme:
A kind of online device for measuring moisture of heat-treatment furnace quenching oil, it is characterised in that: it includes FPGA
Temperature and humidity measurement module that controller is connected with described programmable logic controller (PLC) and signal output module, institute
State temperature and humidity measurement module to be connected with the oil groove of described heat-treatment furnace by probe, to measure in described oil groove
The temperature of quenching oil and humidity, and by measurement to temperature value and humidity value send described FPGA control to
Device processed；Described signal output module is used for exporting described temperature value and described humidity value.
Further, the described online device for measuring moisture of heat-treatment furnace quenching oil also includes able to programme with described
The alarm module that logic controller connects；In described programmable logic controller (PLC), storage has humiture normal data
Table, described humiture normal data table includes the standard humidity value under the temperature value that preserves in pairs and this temperature value；
Under the humidity value that described temperature and humidity measurement module measurement is arrived by described programmable logic controller (PLC) and identical temperature value
Standard humidity value compare, the humidity value arrived when described temperature and humidity measurement module measurement is wet with described standard
When the deviation of angle value exceedes predetermined value, described alarm module sends alarm signal.
Further, described temperature and humidity measurement module includes temperature sensor and humidity sensor, described temperature
Sensor is for measuring the temperature of the quenching oil in described oil groove, and described humidity sensor is used for measuring described oil
The humidity of the quenching oil in groove.
Further, described temperature sensor is Pt100 coiling ceramic-type sensor.
Further, described humidity sensor is capacity type wet dependent sensor.
Further, described probe is made up of Inconel 600 alloy and sus 316 rustless steel.
Compared with prior art, the online device for measuring moisture of heat-treatment furnace quenching oil that the present invention proposes can be real
Time on-line measurement heat-treatment furnace in quenching oil humidity (moisture) at a certain temperature；Additionally, when quenching
When humidity in oil is too high or too low, the present invention can send alarm signal, to remind operator to adjust in time
Moisture in quenching oil.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention's
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.Wherein:
Fig. 1 is present invention structural representation in a specific embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawings invention is further described.
See accompanying drawing 1, in a specific embodiment, the online moisture measurement of heat-treatment furnace quenching oil of the present invention
Device includes programmable logic controller (PLC) 1, the temperature and humidity measurement module being connected with described programmed logic controller 1
2, signal output module 4 and alarm module 5, and it is arranged on the oil groove (not shown) of described heat-treatment furnace
In probe 3.
Described temperature and humidity measurement module 2 is connected with described probe 3, and measures described oil by described probe 3
The temperature of the quenching oil in groove and humidity, and by measurement to temperature value and humidity value send described logic control to
Device 1 processed.In the present embodiment, described probe 3 is by Inconel 600 alloy+sus 316 stainless steel material system
Becoming, it has good high temperature resistance, decay resistance.
In the present embodiment, described temperature and humidity measurement module 2 includes 1 Pt100 coiling ceramic-type sensor (not
Diagram) and 1 capacity type wet dependent sensor (not shown).Described Pt100 coiling ceramic-type sensor is used for
Measuring the temperature of quenching oil in described oil groove, its temperature-measuring range is 0～180 DEG C, and ambient operating temperature is
-20～50 DEG C.Described capacity type wet dependent sensor is for measuring the humidity (moisture of the quenching oil in described oil groove
Content), its measurement scope is 0～500ppm, and certainty of measurement is ± 3%RH, ambient operating temperature be-20～
50℃。
Described signal output module 4 includes double channel output interface, and it can export described humiture simultaneously and survey
Amount module 2 measures the temperature value and humidity value arrived, and is shown by externally connected with display screen (not shown),
To realize the temperature to quenching oil and the real-time online observing and controlling of humidity.
In the present embodiment, in described programmed logic controller 1, it is previously stored with humiture normal data table, institute
State paired storage temperature value and the standard humidity value corresponding with this temperature value in humiture normal data table.
Table 1 shows that the data of described humiture normal data table preserve form, and wherein, often group data include
One temperature value and corresponding standard humidity value.
Table 1.
| Temperature value | Standard humidity value |
| T0 | RH0 |
| T1 | RH1 |
| T2 | RH2 |
| T3 | RH3 |
| … | … |
Described programmable logic controller (PLC) 1 receives the described humiture that described temperature and humidity measurement module 2 transmits
After measurement module 2 measures the temperature value that arrives and humidity value, search described humiture normal data table, find with
Described temperature and humidity measurement module 2 measures the temperature value that the temperature value arrived is identical, and it is corresponding to take out this temperature value
Standard humidity value.Programmable logic controller (PLC) 1 relatively described temperature and humidity measurement module 2 measures the humidity value arrived
With described standard humidity value, the deviation when between the two exceedes predetermined value (being configured according to actual needs)
Time, described programmable logic controller (PLC) 1 sends alarm command and sends to alarm module 5, described alarm module 5
Alarm signal, to remind the moisture in quenching oil too high or too low.
In the present embodiment, described alarm module 5 includes glittering LED lamp and buzzer, to realize sound and light alarm.
Above the present invention has been carried out the most detailed description with certain particularity.General in art
Logical it is to be understood by the skilled artisans that what description in embodiment was merely exemplary, true without departing from the present invention
Make being changed on the premise of real spirit and scope and all should belong to protection scope of the present invention.Institute of the present invention
Claimed scope be defined by described claims rather than above-mentioned by embodiment
Description limits.
Claims (6)
1. the online device for measuring moisture of heat-treatment furnace quenching oil, it is characterised in that: it includes able to programme patrolling
Collect temperature and humidity measurement module and signal output module that controller is connected with described programmable logic controller (PLC),
Described temperature and humidity measurement module is connected with the oil groove of described heat-treatment furnace by probe, to measure described oil
The temperature of the quenching oil in groove and humidity, and by measurement to temperature value and humidity value send to described able to programme
Logic controller；
Described signal output module is used for exporting described temperature value and described humidity value.
2. the online device for measuring moisture of heat-treatment furnace quenching oil as claimed in claim 1, it is characterised in that:
It also includes the alarm module being connected with described programmable logic controller (PLC)；
In described programmable logic controller (PLC), storage has humiture normal data table, described humiture normal data
Table includes the standard humidity value under the temperature value that preserves in pairs and this temperature value；
The humidity value that described temperature and humidity measurement module measurement is arrived by described programmable logic controller (PLC) is with mutually synthermal
Standard humidity value under value compares, the humidity value arrived when described temperature and humidity measurement module measurement and described mark
When the deviation of quasi-humidity value exceedes predetermined value, described alarm module sends alarm signal.
3. the online device for measuring moisture of heat-treatment furnace quenching oil as claimed in claim 2, it is characterised in that:
Described temperature and humidity measurement module includes that temperature sensor and humidity sensor, described temperature sensor are used for measuring
The temperature of the quenching oil in described oil groove, described humidity sensor is for measuring quenching oil in described oil groove
Humidity.
4. the online device for measuring moisture of heat-treatment furnace quenching oil as claimed in claim 3, it is characterised in that:
Described temperature sensor is Pt100 coiling ceramic-type sensor.
5. the online device for measuring moisture of heat-treatment furnace quenching oil as claimed in claim 3, it is characterised in that:
Described humidity sensor is capacity type wet dependent sensor.
6. the online device for measuring moisture of heat-treatment furnace quenching oil as claimed in claim 1, it is characterised in that:
Described probe is made up of Inconel 600 alloy and sus 316 rustless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610390132.9A CN105861792A (en) | 2016-06-02 | 2016-06-02 | Online water content measuring device for thermal treatment furnace quenching oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610390132.9A CN105861792A (en) | 2016-06-02 | 2016-06-02 | Online water content measuring device for thermal treatment furnace quenching oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105861792A true CN105861792A (en) | 2016-08-17 |
Family
ID=56675836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610390132.9A Pending CN105861792A (en) | 2016-06-02 | 2016-06-02 | Online water content measuring device for thermal treatment furnace quenching oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105861792A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108764A (en) * | 2019-05-24 | 2019-08-09 | 山东滨化东瑞化工有限责任公司 | The online monitoring system and method for water content in a kind of trichloro ethylene desorber reflux material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4004192A1 (en) * | 1989-12-04 | 1991-08-22 | Hauber Elektronik Gmbh | Water content measuring appts. for baking fluid - measures variation in dielectric constant of fluid with compensation of temp. variations |
| CN104364646A (en) * | 2011-12-20 | 2015-02-18 | 百瑞空气工程(亚洲)有限公司 | Method and device for moisture determination and control |
| CN204582730U (en) * | 2015-03-09 | 2015-08-26 | 福州德寰流体技术有限公司 | A kind of moisture, dustiness of oil product are monitored and purifier |
| CN206109457U (en) * | 2016-06-02 | 2017-04-19 | 江苏丰东热处理及表面改性工程技术研究有限公司 | Heat treating online moisture measurement device of stove quenching oil |
-
2016
- 2016-06-02 CN CN201610390132.9A patent/CN105861792A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4004192A1 (en) * | 1989-12-04 | 1991-08-22 | Hauber Elektronik Gmbh | Water content measuring appts. for baking fluid - measures variation in dielectric constant of fluid with compensation of temp. variations |
| CN104364646A (en) * | 2011-12-20 | 2015-02-18 | 百瑞空气工程(亚洲)有限公司 | Method and device for moisture determination and control |
| CN204582730U (en) * | 2015-03-09 | 2015-08-26 | 福州德寰流体技术有限公司 | A kind of moisture, dustiness of oil product are monitored and purifier |
| CN206109457U (en) * | 2016-06-02 | 2017-04-19 | 江苏丰东热处理及表面改性工程技术研究有限公司 | Heat treating online moisture measurement device of stove quenching oil |
Non-Patent Citations (2)
| Title |
|---|
| 徐维良等: ""大型工件淬火冷却系统的设计"", 《机械工人(热加工)》 * |
| 龚少军: ""基于PLC技术的油轮货油舱温度检测、报警及控制系统的设计与实现"", 《南通航运职业技术学院学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108764A (en) * | 2019-05-24 | 2019-08-09 | 山东滨化东瑞化工有限责任公司 | The online monitoring system and method for water content in a kind of trichloro ethylene desorber reflux material |
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Application publication date: 20160817 |
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