CN103706285A - Method and system for adding antioxidant for edible oil - Google Patents
Method and system for adding antioxidant for edible oil Download PDFInfo
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- CN103706285A CN103706285A CN201310725215.5A CN201310725215A CN103706285A CN 103706285 A CN103706285 A CN 103706285A CN 201310725215 A CN201310725215 A CN 201310725215A CN 103706285 A CN103706285 A CN 103706285A
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Abstract
The invention discloses a method and a system for adding an antioxidant for edible oil, which are applied to an adding technology of the antioxidant for the edible oil. The system comprises a control center and a tank body for mixing edible oil and the antioxidant into mother liquor; a temperature sensor and a liquid level sensor are arranged inside the tank body, and connected with the control center; the control center controls the adding amount of the edible oil and the pump output of the mother liquor according to signals of the liquid level sensor; the control center controls the heating temperature of the tank body according to signals of the temperature sensor. Chain feedback of oil temperature inside the tank body and opening of a steam valve is set in the system, so as to achieve automatic control of the oil temperature, the flow of the antioxidant mother liquor is controlled through chain feedback of an oil output pump, a plunger pump and the liquid level signal, and uniform adding of the antioxidant is ensured. A misoperation alarm device is also arranged in the system, so that a production accident is avoided, and the productive efficiency is improved.
Description
Technical field
The present invention relates to oil chemical technology field, relate in particular to the automatic adding technique of oil antioxidant, be i.e. a kind of oil antioxidant adding method and system.
Background technology
Characteristic due to grease structure, it is easily oxidized, and can produce grease local flavor, color and luster and organize all to produce harmful effect, to such an extent as to shorten the shelf life of grease after Oxidation of Fat and Oils, reduce the nutritional quality of grease, so need to add suitable antioxidant in grease, carry out anti-oxidation.
Existing interpolation antioxidant technique is generally to take the corresponding antioxidant of grease in batches, then antioxidant is imported to preparing tank, in preparing tank, add a certain amount of grease, with steam, batch tank is heated again, then utilize agitator that antioxidant is dissolved and forms antioxidant mother liquor, then this antioxidant mother liquor is pumped into interpolation tank, by adding the pump of tank, antioxidant mother liquor is joined in grease duct, during interpolation, as found, inhomogeneous need adjust the speed that antioxidant mother liquor pumps in time again.
Above-mentioned existing technique has following shortcoming: 1, this technique can not accurately be controlled the temperature of grease, and decompose when heating-up temperature Gao Shihui causes antioxidant, when temperature is low, can cause antioxidant not dissolve completely, finally cause antioxidant addition inaccurate; 2, the interpolation speed of antioxidant is difficult to control, cause antioxidant solubility uneven with, the antioxidant concentration in grease is easily exceeded standard.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of oil antioxidant adding method and system, be intended to solve current existing technique and can not realize the problem of accurately evenly adding antioxidant in grease.
Technical scheme of the present invention is as follows:
A kind of oil antioxidant add-on system, wherein, described system comprises control centre and for grease and antioxidant, is mixed into the tank body of mother liquor, temperature sensor and the liquid level sensor being connected with described control centre is set in described tank body, described control centre is according to the addition of signal controlling grease of described liquid level sensor and the pump output of mother liquor, and described control centre is according to the heating-up temperature of tank body described in the signal controlling of described temperature sensor.
Described oil antioxidant add-on system, wherein, described system comprises and being connected with described tank body for add the oil pump that of grease to described tank body, describedly go out in oil pump and described tank body connecting pipe to be provided with pneumatic operated valve, described pneumatic operated valve is connected with described control centre, goes out the grease addition of oil pump described in described control centre controls by described pneumatic operated valve.
Described oil antioxidant add-on system, wherein, described system comprises and being connected with described tank body for by the jet chimney of tank body described in Steam Heating, on described jet chimney, be provided for steam regulation amount ratio adjusting valve, described ratio adjusting valve is connected with described control centre, thereby the quantity of steam that described control centre controls heating tank body by described ratio adjusting valve is controlled the heating-up temperature to described tank body.
Described oil antioxidant add-on system, wherein, described system comprises and being connected with described tank body for the mother liquor in described tank body being joined to the plunger displacement pump of grease duct, on described plunger displacement pump, be provided with the converter plant being connected with described control centre, described control centre controls the pump output of described plunger displacement pump to mother liquor by converter plant.
Described oil antioxidant add-on system, wherein, described system also comprises warning device, and described warning device is connected with described control centre, and described control centre makes alarm by described warning device to the maloperation of system operators.
Described oil antioxidant add-on system, wherein, described in go out oil pump, plunger displacement pump place arranges respectively flowmeter, described flowmeter is connected with described control centre.
Described oil antioxidant add-on system, wherein, arranges agitator the mixed liquor of grease and antioxidant is stirred in described tank body, the control device of described agitator is connected with control centre.
Utilize oil antioxidant add-on system as above to carry out an antioxidant adding method, wherein, said method comprising the steps of:
A, to the antioxidant that adds intended component in described tank body, describedly go out oil pump add grease in described tank body, when described control centre judges that described liquid level sensor collects in tank body that liquid level reaches the signal in precalculated position, described control centre controls described pneumatic operated valve and goes out oil pump described in closing, and stops adding of grease;
B, the mixed liquor of the grease in described tank body and antioxidant is stirred, and heat by described jet chimney, described control centre receives described temperature sensor and collects mixeding liquid temperature, and control described ratio adjusting valve according to this temperature, thereby steam regulation pipeline quantity of steam, make the mixeding liquid temperature in tank body reach predetermined temperature;
C, when described mixed liquor forms after mother liquor, described control centre controls the mother liquor pump output of described plunger displacement pump by described converter plant.
Described oil antioxidant adding method, wherein, described step C is specially: mother liquor pumps in process, described control centre according to described in go out changes in flow rate that the grease of oil pump adds and described liquid level sensor liquid level signal control described converter plant and adjust in real time the mother liquor of described plunger displacement pump and pump flow.
Described oil antioxidant adding method, wherein, before adding, antioxidant also comprises: in control centre, set in advance the oil product title of producing in the interpolation kind of tank body liquid level position, mixeding liquid temperature, antioxidant, the tank body corresponding with such antioxidant, grease duct.
Described oil antioxidant adding method, wherein, when antioxidant adding procedure starts, the tank body of current startup detects in described control centre, whether the oil product produced is consistent with presupposed information, when described control centre detects the tank body of current startup and the corresponding tank body of antioxidant institute of default required interpolation when inconsistent, start described warning device and carry out alarm.
Beneficial effect: the invention provides a kind of oil antioxidant adding method and system, by being set in system, oil temperature and the chain feedback of steam valve aperture in tank body realized the automatic control of oil temperature, by going out the chain feedback of oil pump, plunger displacement pump and liquid level signal, realize the control of antagonism oxidizer mother liquor flow, the uniformity that has guaranteed antioxidant is added, and system is also provided with wrong way alarm device, avoid the generation of production accident, improved prouctiveness.
Accompanying drawing explanation
Fig. 1 is oil antioxidant add-on system theory diagram of the present invention.
Fig. 2 is oil antioxidant adding method flow chart of the present invention.
Fig. 3 is oil antioxidant add-on system schematic diagram in preferred embodiment.
The specific embodiment
The invention provides a kind of oil antioxidant adding method and system, for making object of the present invention, technical scheme and effect clearer, clear and definite, below the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A kind of oil antioxidant add-on system as described in Figure 1, wherein, described system comprises control centre 100 and for grease and antioxidant, is mixed into the tank body 200 of mother liquor, temperature sensor 210 and liquid level sensor 220 that the interior setting of described tank body 200 is connected with described control centre, described control centre is according to the addition of signal controlling grease of described liquid level sensor and the pump output of mother liquor, and described control centre is according to the heating-up temperature of tank body described in the signal controlling of described temperature sensor.
Further, described system comprise be connected with described tank body to described tank body, add grease go out oil pump 310, describedly go out in oil pump and described tank body connecting pipe to be provided with pneumatic operated valve 311, described pneumatic operated valve 311 is connected with described control centre, goes out the grease addition of oil pump described in described control centre controls by described pneumatic operated valve.
Further, described system comprises and being connected with described tank body for by the jet chimney 330 of tank body described in Steam Heating, described jet chimney 330 Set scale control valves 331, described ratio adjusting valve 331 is connected with described control centre, thereby the quantity of steam that described control centre controls described jet chimney by described ratio adjusting valve is controlled the heating-up temperature to described tank body.The steam of described jet chimney is produced by steam generator.Described tank body arranges chuck outward and is communicated with jet chimney, and the steam that steam generator produces enters chuck by jet chimney tank body is heated.When temperature sensor detected temperatures is inadequate, its signal is transferred to ratio adjusting valve, ratio adjusting valve becomes large by aperture, and quantity of steam strengthens, and oil temperature is raise; While reaching design temperature to temperature sensor detected temperatures, its signal is transferred to ratio adjusting valve, ratio adjusting valve diminishes aperture, and quantity of steam diminishes, and makes oil temperature be stabilized in design temperature.Prevented that excess Temperature from decompose antioxidant, or temperature is low and antioxidant can not dissolve completely.
Further, described system comprises and being connected with described tank body for the mother liquor in described tank body being joined to the plunger displacement pump 340 of grease duct, on described plunger displacement pump, be provided with the converter plant 341 being connected with described control centre, described control centre controls the pump output of described plunger displacement pump to mother liquor by converter plant.
In preferred embodiment, described system also comprises warning device, and described warning device is connected with described control centre, and described control centre makes alarm by described warning device to the maloperation of system operators.
In preferred embodiment, described in go out oil pump, plunger displacement pump place arranges respectively flowmeter, described flowmeter is connected with described control centre.Described control centre can obtain by flowmeter the flow that pumps of flow that grease adds and mother liquor.
Certainly, agitator is set in described tank body the mixed liquor of grease and antioxidant is stirred, the control device of described agitator is connected with control centre.While needing to mix after antioxidant adds tank body, described control centre starts Steam Heating and uses agitator to stir and evenly mix simultaneously.
As shown in Figure 2 a kind of utilizes oil antioxidant add-on system as above to carry out antioxidant adding method, wherein, said method comprising the steps of:
S100, to the antioxidant that adds intended component in described tank body, describedly go out oil pump add grease in described tank body, when described control centre judges that described liquid level sensor collects in tank body that liquid level reaches the signal in precalculated position, described control centre controls described pneumatic operated valve and goes out oil pump described in closing, and stops adding of grease;
S200, the mixed liquor of the grease in described tank body and antioxidant is stirred, and heat by described jet chimney, described control centre receives described temperature sensor and collects mixeding liquid temperature, and control described ratio adjusting valve according to this temperature, thereby steam regulation pipeline quantity of steam, make the mixeding liquid temperature in tank body reach predetermined temperature;
S300, when described mixed liquor forms after mother liquor, described control centre controls the mother liquor pump output of described plunger displacement pump by described converter plant.
In preferred embodiment, described step S300 is specially: mother liquor pumps in process, described control centre according to described in go out changes in flow rate that the grease of oil pump adds and described liquid level sensor liquid level signal control described converter plant and adjust in real time the mother liquor of described plunger displacement pump and pump flow.Be plunger displacement pump, go out oil pump, liquid level sensor three and carry out chainly, when fuel-displaced velocity variations, the interpolation speed of plunger displacement pump also changes thereupon, thereby has guaranteed the interpolation uniformity of antioxidant.In preferred embodiment, mixed liquor liquid level and mother liquor pump flow can directly show screen display numerical value in control centre, and its corresponding computing formula is as follows:
L-mother liquor tank mother liquor actual liquid level (%);
This batch of oil mass (t) that antioxidant is corresponding of Q-configure;
The oil mass (t) of q-gone out;
The initial liquid level (%) of l-configuration mother liquor.
Thereby automatically control addition by control centre, and can guarantee the even of antioxidant, prevent that antioxidant from exceeding standard.
In preferred embodiment, before adding, antioxidant also comprises: in control centre, set in advance the oil product title of producing in the interpolation kind of tank body liquid level position, mixeding liquid temperature, antioxidant, the tank body corresponding with such antioxidant, grease duct.
When grease adds appointment liquid level to, control centre controls pneumatic operated valve and closes, and stops draining the oil, if do not carry out liquid level setting, system default liquid level is 100%, and when liquid level adds 100% to, control centre controls pneumatic operated valve and automatically closes, and stops draining the oil.Reduced like this personnel's operation.
When antioxidant adding procedure starts, the tank body of current startup detects in described control centre, whether the oil product produced is consistent with presupposed information, when described control centre detects the tank body of current startup and the corresponding tank body of antioxidant institute of default required interpolation when inconsistent, start described warning device and carry out alarm.The antioxidant kind that different oil products adds is different, for preventing cross pollution, generally needs to set two and adds antioxidant corresponding to tank fixed configurations.In control centre, the oil product that fuel-displaced port is produced is set, and further set the antioxidant tank that this oil product is corresponding, as needs are antioxidants of A tank, when B tank antioxidant is used in operator's maloperation, control centre will start and reports to the police and quit work, thereby has prevented that the mistake of antioxidant from adding.
Be illustrated in figure 3 the specific embodiment of oil antioxidant add-on system, antioxidant tank A and antioxidant tank B are set.Both are the different types of antioxidant of fixing interpolation respectively, now with regard to antioxidant tank A, system configuration antioxidant mother liquor process is described, system comprises tank body 200, going out oil pump pumps into grease in tank body by oil-in 202, antioxidant joins tank body from the dog-house 201 of tank body upper end afterwards, and wherein said oil-in place arranges operated pneumatic valve 311 and pumps into process in order to control grease.Steam enters the chuck layer arranging on tank body tank body is started to heating by jet chimney 330, the control that jet chimney Set scale control valve 331 is realized pipeline steam addition, and the temperature sensor 210 arranging on tank body gathers fluid temperature in tank body, and temperature signal is reached to control centre, thereby comparative example control valve carries out feedback regulation, control fluid temperature in tank body and remain at design temperature.In chuck layer bottom, be provided with steam drainage system 206, make steam condensate (SC) pass through steam drainage system and flow out.By steam-heated simultaneously by 204 pairs of tank bodies of agitator in liquid stir, promote the dissolving of antioxidant.In tank body, antioxidant mother liquor just flows out tank body by oil-out 203 after forming, further by frequency conversion plunger displacement pump 342, be pumped in product pipeline, described oil-out 203 places arrange the switching that operated pneumatic valve 205 is controlled fuel-displaced oil circuit, by the frequency conversion plunger displacement pump being connected with control centre, realize the adjusting to mother liquor addition, described flowline is also provided with the flowmeter 209 being connected with control centre, connection traffic meter also can be set on inflow pipeline in addition with control centre, control centre regulates the flow of frequency conversion plunger displacement pump and grease to add flow according to the liquid level signal of liquid level sensor in the data of the flowmeter on inflow pipeline and flowline and tank body, make the interpolation speed of fuel-displaced velocity variations and plunger displacement pump chain, thereby guaranteed the interpolation uniformity of antioxidant.In addition, the switching that operated pneumatic valve 205 is controlled fuel-displaced oil circuit is also set on described flowline, at described inflow pipeline, relief valve 208 is set and guarantees that on normal, the described flowline of pipeline oil positive pressure, relief valve being set equally regulates and controls pipeline oil pressure.Valve is also set in addition for hand switch oil circuit on flowline.
In preferred embodiment, the flowline that antioxidant tank A and antioxidant tank B are set is connected same frequency conversion plunger displacement pump 342 and then is connected on product pipeline, when using antioxidant tank A when adding a certain class antioxidant, and use antioxidant tank B while adding another kind of antioxidant.In control centre, can input the interpolation kind of antioxidant, the information such as tank body corresponding with such antioxidant.Afterwards in antioxidant adding procedure, described control centre detects the current tank body of enabling and whether belongs to the corresponding tank body that adds such antioxidant, when described control centre detects the tank body of current startup and the corresponding tank body of antioxidant institute of default required interpolation when inconsistent, start and report to the police and quit work, guarantee the accident that antioxidant there will not be mistake to add.
The invention provides a kind of oil antioxidant adding method and system, by being set in system, oil temperature and the chain feedback of steam valve aperture in tank body realized the automatic control of oil temperature, by going out the chain feedback of oil pump, plunger displacement pump and liquid level signal, realize the control of antagonism oxidizer mother liquor flow, the uniformity that has guaranteed antioxidant is added, and system is also provided with wrong way alarm device, avoid the generation of production accident, improved prouctiveness.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. an oil antioxidant add-on system, it is characterized in that, described system comprises control centre and for grease and antioxidant, is mixed into the tank body of mother liquor, temperature sensor and the liquid level sensor being connected with described control centre is set in described tank body, described control centre is according to the addition of signal controlling grease of described liquid level sensor and the pump output of mother liquor, and described control centre is according to the heating-up temperature of tank body described in the signal controlling of described temperature sensor.
2. oil antioxidant add-on system according to claim 1, it is characterized in that, described system comprises and being connected with described tank body for add the oil pump that of grease to described tank body, describedly go out in oil pump and described tank body connecting pipe to be provided with pneumatic operated valve, described pneumatic operated valve is connected with described control centre, goes out the grease addition of oil pump described in described control centre controls by described pneumatic operated valve.
3. oil antioxidant add-on system according to claim 1, it is characterized in that, described system comprises and being connected with described tank body for by the jet chimney of tank body described in Steam Heating, on described jet chimney, be provided for the ratio adjusting valve of steam regulation amount, described ratio adjusting valve is connected with described control centre, thereby the quantity of steam that described control centre controls heating tank body by described ratio adjusting valve is controlled the heating-up temperature to described tank body.
4. oil antioxidant add-on system according to claim 1, it is characterized in that, described system comprises and being connected with described tank body for the mother liquor in described tank body being joined to the plunger displacement pump of grease duct, on described plunger displacement pump, be provided with the converter plant being connected with described control centre, described control centre controls the pump output of described plunger displacement pump to mother liquor by converter plant.
5. oil antioxidant add-on system according to claim 1, is characterized in that, described in go out oil pump, plunger displacement pump place arranges respectively flowmeter, described flowmeter is connected with described control centre.
6. oil antioxidant add-on system according to claim 1, is characterized in that, agitator is set in described tank body the mixed liquor of grease and antioxidant is stirred, and the control device of described agitator is connected with control centre.
7. the oil antioxidant add-on system of utilization as described in claim 1-6 carries out an antioxidant adding method, it is characterized in that, said method comprising the steps of:
A, to the antioxidant that adds intended component in described tank body, describedly go out oil pump add grease in described tank body, when described control centre judges that described liquid level sensor collects in tank body that liquid level reaches the signal in precalculated position, described control centre controls described pneumatic operated valve and goes out oil pump described in closing, and stops adding of grease;
B, the mixed liquor of the grease in described tank body and antioxidant is stirred, and heat by described jet chimney, described control centre receives described temperature sensor and collects mixeding liquid temperature, and control described ratio adjusting valve according to this temperature, thereby steam regulation pipeline quantity of steam, make the mixeding liquid temperature in tank body reach predetermined temperature;
C, when described mixed liquor forms after mother liquor, described control centre controls the mother liquor pump output of described plunger displacement pump by described converter plant.
8. oil antioxidant adding method according to claim 7, it is characterized in that, described step C is specially: mother liquor pumps in process, described control centre according to described in go out changes in flow rate that the grease of oil pump adds and described liquid level sensor liquid level signal control described converter plant and adjust in real time the mother liquor of described plunger displacement pump and pump flow.
9. oil antioxidant adding method according to claim 7, it is characterized in that, before antioxidant adds, also comprise: in control centre, set in advance the oil product title of producing in the interpolation kind of tank body liquid level position, mixeding liquid temperature, antioxidant, the tank body corresponding with such antioxidant, grease duct.
10. oil antioxidant adding method according to claim 9, it is characterized in that, when antioxidant adding procedure starts, the tank body of current startup detects in described control centre, whether the oil product produced is consistent with presupposed information, when described control centre detects the tank body of current startup and the corresponding tank body of antioxidant institute of default required interpolation when inconsistent, start warning device and carry out alarm.
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| CN201310725215.5A CN103706285B (en) | 2013-12-25 | 2013-12-25 | Method and system for adding antioxidant for edible oil |
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| CN201310725215.5A CN103706285B (en) | 2013-12-25 | 2013-12-25 | Method and system for adding antioxidant for edible oil |
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| CN104286223A (en) * | 2014-11-03 | 2015-01-21 | 章文婕 | Energy-saving production method of functional edible oil |
| CN114082512A (en) * | 2021-11-02 | 2022-02-25 | 龙佰禄丰钛业有限公司 | Crushing auxiliary agent adding system in titanium dioxide production by chlorination process |
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| CN103706285B (en) | 2015-05-13 |
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