CN100443577C - Hardening oil on-line dehydration apparatus - Google Patents
Hardening oil on-line dehydration apparatus Download PDFInfo
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- CN100443577C CN100443577C CNB2006101160234A CN200610116023A CN100443577C CN 100443577 C CN100443577 C CN 100443577C CN B2006101160234 A CNB2006101160234 A CN B2006101160234A CN 200610116023 A CN200610116023 A CN 200610116023A CN 100443577 C CN100443577 C CN 100443577C
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- oil
- vacuum
- valve
- vacuum tank
- quenching
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Abstract
The invention relates to quenching oil on line dewater unit. It includes oil feed control valve, backing stage filter, secondary filter, heater, anti-foaming machine, vacuum tank, pressure sensor, cooler, cooling fan, vacuum valve, vacuum pump, cistern, oil pump, and tertiary filter. The oil inlet is set oil feed control valve. The filter is set at the front and back of the heater. The anti-foaming machine is set at the front of the vacuum tank. Its upper is set cooler. Its inner is set pressure sensor. The vacuum valve is set at the front of the cooler. Its side is set cooling fan. Its lower is set cistern whose front and back are set vacuum valve. The lower of the vacuum tank is set the tertiary filter and oil pump. The unit can separate the water from the oil at vacuum by using the characteristic that the boiling point of the liquid is reduced with the lowering of the surface pressure. In addition, it has the advantages of fast impurity removing, on line running, low cost, safe, big quenching oil mass etc.
Description
Technical field
What the present invention relates to is a kind of dewatering unit, specifically is a kind of online dewatering unit of quenching oil, belongs to metallic substance heat treatment technics field.
Background technology
Quenching is an important procedure in the mechanical workout, contain a spot of water in the quenching oil and can cause very big harm: the cooling performance, the acceleration quenching oil deterioration that worsen quenching oil normal hardening step, when moisture can cause the decline of quenching part luminance brightness, hardness inequality greater than 0.1% the time, produces soft spots, the strain cracking tendency strengthens, so seethe with excitement when the Shuitu that moisture can cause greater than 0.5% time bottom occurring in quenching process, cause the danger that quenching oil is excessive and fire takes place.How the water in the quenching oil and other impurity are separated the key that becomes assurance quenching oil quality.
Find Guan Xiaoyan, Kong Fanzhong through literature search to prior art, Yang Jingfang etc. are in " metal heat treatmet " 2003,28 (12), write articles " research of removing quenching water content in oil method " on the P50-52 page or leaf, introduced a kind of method of under vacuum, removing the quenching water content in oil.Though this method can be removed moisture, must when quenching oil is idle, just can filter, can't on-line operation, and cost is very high.In further retrieving, find the bibliographical information identical as yet with theme of the present invention.
Summary of the invention
The present invention is directed to the deficiencies in the prior art and defective, a kind of online dewatering unit of quenching oil is provided, this device utilizes the boiling point of liquid to reduce with surface pressure and the characteristic that reduces, under vacuum environment, from the high oil of boiling point, isolate the lower water of boiling point, by the control of installing internal pressure being guaranteed the moisture in the online filtering quenching oil.This device can not only be deviate from moisture, gas, impurity and the volatile matter (as alcohol, gasoline, ammonia etc.) in the fluid continuously fast, improves the quality of quenching oil, recovers quenching oil viscosity, flash-point and cooling property; And can on-line operation, do not influence normal production, have that cost is low, safety and big characteristics of suitable quenching oil mass.
The present invention is achieved by the following technical solutions, the present invention includes: oil-feed control valve, prime strainer, secondary filter, well heater, anti-foam applicator, vacuum tank, pressure transmitter, water cooler, cooling fan, vacuum valve, vacuum pump, water receiver, oil pump, tertiary filter, flash distillation flat board.With the mode of connection between the upper-part be: the oil-feed control valve is set at the oil-in place, prime strainer and secondary filter are set respectively before and after the well heater, well heater inside is provided with thermopair, anti-foam applicator is set between vacuum tank and secondary filter, on vacuum tank top water cooler is set, be provided with pressure transmitter and flash distillation flat board in the vacuum tank, between vacuum pump and the water cooler vacuum valve is set, in the water cooler side cooling fan is set, the bottom is provided with water receiver, vacuum valve respectively is set before and after the water receiver, in the vacuum tank bottom oil pump is set, oil pump oil-in place is provided with tertiary filter.
During use, start vacuum pump and cooling fan, opening vacuum valve begins to vacuumize, when arriving set(ting)value, opens vacuum tank pressure the oil-feed control valve, aqueous quenching oil enters the prime strainer by oil-in under the effect of negative pressure of vacuum suction, after large granular impurity is filtered, be heated to design temperature during by well heater, heater temperature is controlled automatically by its inner thermopair and higher level's temperature control instrument; The fluid that contains granulometric impurity enters cascade filtration after heating, granulometric impurity is refiltered, enter anti-foam applicator, the emulsive oil molecule is separated with water molecules, enter vacuum tank then, through one group of flash distillation flat board of forming by the sandwich tape orifice plate, it can make the fluid of unit volume produce huge surface area, allow moisture quenching fluid fully be exposed in the very low atmosphere of relative pressure, the higher gas of vapour pressures such as water vapour is taken away through the aperture of flash distillation flat board, the lower quenching fluid of vapour pressure aperture through the flash distillation flat board under the effect of gravity is deposited on the vacuum tank bottom, and removing through tertiary filter becomes self-cleaning oil behind the granulometric impurity and drawn back oil-quenching tank by oil drain pump.Be provided with pressure transmitter in the vacuum tank, feedback 4-20mA simulating signal control oil-feed control valve can be closed the oil-feed control valve automatically when pressure surpasses set(ting)value.Water vapor condensation when having the water cooler of cooling fan such as the mixed gas of moisture vapor etc. becomes liquid, enters water receiver, and remaining gas is extracted out by vacuum pump; Close the vacuum valve on water receiver top when water receiver is filled, open the water that following vacuum valve is discharged water receiver, the vacuum valve of closing the water receiver bottom after the water of water receiver drains is opened the vacuum valve on water receiver top again.
Whole removal process can be worked simultaneously with quenching oil, does not influence the normal use of quenching oil.
By the take off data that adopts apparatus of the present invention to filter quenching oil is found that the present invention has following characteristics: it is strong 1, to remove the moisture ability.The present invention adopts advanced big area, multi-level oily water separation technique, degassing dewatering efficiency height, and both the large quantity of moisture of separate easily in fuel-displaced also was convenient to remove the micro-moisture in the oil.2, the micro-moisture in can online filtering quenching oil, and do not influence the normal use of quenching oil, greatly reduce use cost.3, the ability that filters out impurities is strong.The strainer that adopts macromolecule magnetic material to make makes and filters the degree of cleaning requirement that the impure granularity in back satisfies quenching oil, and this strainer pollutant holding capability is big, and treatment capacity can reach more than the 1000t, and is provided with the automatic backwash device; The present invention is provided with pressure protect, temperature automatically controlled heating, and separating and condensing water device makes simple to operate, safe, reliable automatically; 4, the mixed gas that vacuum is extracted out adopts the high wind condensation technology that dewaters, and has avoided the pollution to vacuum pump.
Description of drawings
Fig. 1 is a structural representation of the present invention
Embodiment
As shown in Figure 1, the present invention includes: oil-feed control valve 1, prime strainer 2, well heater 3, secondary filter 4, anti-foam applicator 5, vacuum tank 6, pressure transmitter 7, cooling fan 8, water cooler 9, first vacuum valve 10, vacuum pump 11, second vacuum valve 12, water receiver 13, the 3rd vacuum valve 14, tertiary filter 15, oil pump 16 and flash distillation flat board 17.Its mode of connection is: at the oil-in place oil-feed control valve 1 is set, well heater 3 front and back are provided with prime strainer 2 and secondary filter 4 respectively, well heater 3 inside are provided with thermopair, anti-foam applicator 5 is set between vacuum tank 6 and secondary filter 4, pressure transmitter 7 and flash distillation flat board 17 are set in the vacuum tank 6, between vacuum pump 11 and the water cooler 9 vacuum valve 10 is set, in water cooler 9 sides cooling fan 8 is set, the bottom is provided with water receiver 13, water receiver 13 front and back respectively are provided with two vacuum valves 12 and 14, in vacuum tank 6 bottoms oil pump 16 is set, oil pump 16 oil-in places are provided with tertiary filter 15.
During use, start vacuum pump 11 and cooling fan 8, opening first vacuum valve 10 begins to vacuumize, when detecting, pressure transmitter 7 exports opening signal to oil-feed control valve 1 when pressure arrives set(ting)value, aqueous quenching oil enters prime strainer 2 by oil-in under the effect of negative pressure of vacuum suction, after large granular impurity is filtered, be heated to design temperature during by well heater 3, well heater 3 temperature are controlled automatically by its inner thermopair and higher level's temperature control instrument; The fluid that contains granulometric impurity enters cascade filtration after heating, granulometric impurity is refiltered, enter anti-foam applicator 5, the emulsive oil molecule is separated with water molecules, enter vacuum tank 6 then, fluid stream is through one group of flash distillation flat board of being made up of the sandwich tape orifice plate, allow moisture quenching fluid fully be exposed in the very low atmosphere of relative pressure, the higher gas of vapour pressures such as water vapour is taken away through the aperture of flash distillation flat board, the lower quenching fluid of vapour pressure aperture through the flash distillation flat board under the effect of gravity is deposited on the vacuum tank bottom, and removing through tertiary filter 15 becomes self-cleaning oil behind the granulometric impurity and drawn back oil-quenching tank by oil drain pump 16.Be provided with pressure transmitter 7 in the vacuum tank 6, when vacuum tank pressure surpassed set(ting)value, shutdown signal of pressure transmitter 7 outputs fed oil control valve 1.Water vapor condensation when having the water cooler 9 of cooling fan 8 such as the mixed gas of moisture vapor etc. becomes liquid, enters water receiver 13, and remaining gas is extracted out by vacuum pump 11; When filling, water receiver 13 closes second vacuum valve 12 on water receiver 13 tops, open the 3rd following vacuum valve 14, discharge the water of water receiver 13, after the water of water receiver 13 drains, close the 3rd vacuum valve 14 of water receiver 13 bottoms, open second vacuum valve 12 on water receiver 13 tops again.
Claims (3)
1, a kind of online dewatering unit of quenching oil, comprise: the oil-feed control valve, the prime strainer, secondary filter, well heater, anti-foam applicator, vacuum tank, pressure transmitter, water cooler, cooling fan, vacuum valve, vacuum pump, water receiver, tertiary filter, oil pump and flash distillation flat board, it is characterized in that: the oil-feed control valve is set at the oil-in place, prime strainer and secondary filter are set respectively before and after the well heater, well heater inside is provided with thermopair, anti-foam applicator is set between vacuum tank and secondary filter, on vacuum tank top water cooler is set, be provided with pressure transmitter and flash distillation flat board in the vacuum tank, between vacuum pump and the water cooler vacuum valve is set, in the water cooler side cooling fan is set, the bottom is provided with water receiver, vacuum valve respectively is set before and after the water receiver, in the vacuum tank bottom oil pump is set, oil pump oil-in place is provided with tertiary filter, removes isolating moisture from quenching oil by second vacuum valve and the 3rd vacuum valve.
2, the online dewatering unit of quenching oil according to claim 1 is characterized in that, the flash distillation flat board is made up of the sandwich tape orifice plate.
3, the online dewatering unit of quenching oil according to claim 1 is characterized in that, the pressure transmitter in the vacuum tank, and feedback 4-20mA simulating signal control oil-feed control valve can be closed the oil-feed control valve automatically when pressure surpasses set(ting)value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101160234A CN100443577C (en) | 2006-09-14 | 2006-09-14 | Hardening oil on-line dehydration apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101160234A CN100443577C (en) | 2006-09-14 | 2006-09-14 | Hardening oil on-line dehydration apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1935961A CN1935961A (en) | 2007-03-28 |
| CN100443577C true CN100443577C (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101160234A Expired - Fee Related CN100443577C (en) | 2006-09-14 | 2006-09-14 | Hardening oil on-line dehydration apparatus |
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| CN (1) | CN100443577C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105623706B (en) * | 2014-10-27 | 2017-07-25 | 中国石油化工股份有限公司 | Crude oil continuous still dewatering |
| CN105623707B (en) * | 2014-10-27 | 2017-10-03 | 中国石油化工股份有限公司 | Continuous still dehydrator and crude oil continuous still dehydration device |
| CN108479176B (en) * | 2018-06-04 | 2023-12-05 | 山西卓联锐科中试基地有限公司 | Filter for cooling device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2038107U (en) * | 1988-04-29 | 1989-05-24 | 武汉水利电力学院 | Composite field-effect quenching tank |
| CN2156191Y (en) * | 1992-07-04 | 1994-02-16 | 机械电子工业部郑州机械研究所 | Multi-function quench oil trough |
-
2006
- 2006-09-14 CN CNB2006101160234A patent/CN100443577C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2038107U (en) * | 1988-04-29 | 1989-05-24 | 武汉水利电力学院 | Composite field-effect quenching tank |
| CN2156191Y (en) * | 1992-07-04 | 1994-02-16 | 机械电子工业部郑州机械研究所 | Multi-function quench oil trough |
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| Publication number | Publication date |
|---|---|
| CN1935961A (en) | 2007-03-28 |
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