Internal recycle oil vacuum cleaning device
Technical field
The utility model relates to a kind of waste oil refining plant, especially is a kind of internal recycle oil vacuum cleaning device.
Background technology
The oil vacuum cleaning device is to utilize novel vacuum-drying principle and separation engineering and secondary filter technology, removes moisture, gas and impurity in the various oil by heating under vacuum state, reaches the specific equipment of the use properties of oil.The general work flow process is as follows: fluid to be clean is introduced into to enter after coarse filter filters large granular impurity from the absolute oil mouth under negative pressure of vacuum and enters the vacuum separation chamber after heater heats heats up, and through oil atomization device and vacuum separation tower, profit effectively separates.The moisture of separating condenses into water or discharges from the vacuum pump venting port in the water vapour mode through condenser, removes the clean oil of moisture and gas and is discharged by oil drain pump after fine filter filters fine particle impurity from the vacuum chamber bottom.Generally, once circulation back is lower because of vacuum tightness and temperature, and oil product does not often reach service requirements.
More than there is following deficiency in device:
1, fluid to be clean only relies on negative pressure of vacuum to enter the vacuum separation chamber, because of pressure is not enough, make the atomizing pressure of oil atomization shower nozzle make oil atomization abundant inadequately inadequately, and whole scavenging process only heat at the oil-in place, heat-up time is abundant inadequately, must cause oily water separation efficient low.
2, for the temperature that makes fluid enough high, often need heat up by outside second-heating, this can make the path of fluid process longer, heat-energy losses increases, for original heat-up time of just not long flow process, the temperature that calorific loss is crossed oil in the whole flow process of ambassador can not keep, the load of vacuum pump has also strengthened, make two key elements " vacuum tightness " and " temperature " of oily water separation obviously reduce, separating effect also can be had a greatly reduced quality, be difficult to oil product is carried out the deep purifying processed, especially some to oil in the residual water content occasion of having relatively high expectations often do not satisfy service requirements.
3, heating unit is arranged on the in-line, in case stop oil-feed, must stop heating (oil-feed has the interlocking design with heating on circuit) simultaneously, but because the effect of thermal inertia can cause the oil liquid temperature in the well heater to rise rapidly, to oil influence big (as easy oxidation etc.), can form the electrical network of this oil purifier power supply simultaneously and impact.
The utility model content
Technical problem to be solved in the utility model provides a kind of saving energy, with the internal recycle oil vacuum cleaning device of realizing that disposable processing is qualified.
In order to address the above problem, the utility model is taked following technical scheme:
A kind of internal recycle oil vacuum cleaning device, comprise oil inlet pipe, vacuum separation chamber, vacuum pump, well heater and oil drain pump, oil inlet pipe connects the vacuum separation chamber, the moisture outlet of vacuum separation chamber connects vacuum pump by pump-line, the self-cleaning oil outlet connects oil drain pump by oil exit pipe, and oil-feed pump is set on oil inlet pipe, and described vacuum separation is provided with the absolute oil proofing unit on the chamber, the vacuum separation chamber also connects an oil circuit piping, and above-mentioned well heater and a recycle pump are set on this circulation line.
Described vacuum separation chamber comprises in vacuum separation chamber tank body, the vacuum separation chamber tank body oil atomization device and knockout tower, and the oil atomization device is connected with oil inlet pipe in the tank body ingress, and knockout tower is below the oil atomization device.
Described inflow pipeline is provided with a magnetic valve.
Described absolute oil proofing unit is controlled oil drain pump and recycle pump respectively by control unit.
Described absolute oil proofing unit comprises temperature monitor, vacuum inspective meter and fluid level controller.
Described vacuum separation chamber tank body is provided with viewing window.
The beneficial effects of the utility model are: the utility model has increased oil-feed pump and recycle pump, significantly improved the oil atomization detachment dynamic, and well heater is arranged on the internal recycle loop, allow fluid to be clean in short path, rapidly and efficiently heat, owing to saved huger dedicated container and pipeline, reduced priming cost, reduced calorific loss, saved the energy (electric energy), reduced the working load of vacuum pump, make fluid in a working cycle, can realize multiple high temp, high pressure, high pumping rate ground dehydration cycle is handled, thereby increases substantially removing water content in oil.By setting and detection, guaranteed that indirectly processed fluid has reached the index of expection to the temperature and the vacuum tightness of fluid.The utility model structure can be in a working cycle be treated by internal circulation apparatus and is purified that fluid carries out fast, the deep dehydration purification, oily water separation efficient and effect have been significantly improved, be arranged in the circulating oil path because of well heater simultaneously, the heating efficiency height, energy consumption is low, the Heating temperature ascending, descending is steady, and is less to butyrous detrimentally affect.Really realized the target that disposable processing is qualified.
Description of drawings
Fig. 1 is an internal recycle oil vacuum cleaning apparatus structure synoptic diagram among the embodiment.
Number in the figure is:
Recycle pump-1 temperature monitor-2 well heater-3 oil-feed magnetic valve-4 oil-feed pump-5
Oil atomization device-6 pump-line-7 vacuum inspective meter-8 vacuum separation chamber tank body-9
Knockout tower-10 fluid level controller-11 viewing window-12 vacuum pump-13 oil drain pump-14
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Embodiment as shown in Figure 1, the utility model is made up of oil-feed magnetic valve 4, oil-feed pump 5, oil atomization device 6, vacuum separation chamber tank body 9, knockout tower 10, recycle pump 1, well heater 3, fluid level controller 11, vacuum inspective meter 8, temperature monitor 2, viewing window 12, pump-line 7, vacuum pump 13, oil drain pump 14, oil exit pipe etc.Oil-feed magnetic valve 4 and oil-feed pump 5 are arranged on the in-line, and the rate of pumping that magnetic valve can control pump is set, the control oil-feed.Oil inlet pipe connects the oil atomization device 6 of ingress in the tank body 9 of vacuum separation chamber, oil atomization device 6 effusive oil enter the knockout tower 10 that is positioned at its below and carry out oily water separation, purify, draw a circulation line at vacuum separation chamber tank body 9, circulation line is provided with recycle pump 1 and well heater 3, be combined with temperature monitor 2 and vacuum inspective meter 8 with circulation line, be arranged on the vacuum separation chamber tank body 9, also be provided with fluid level controller 11 below the knockout tower 10 on the tank body 9 of vacuum separation chamber, also be provided with viewing window 12 on it.The moisture outlet of vacuum separation chamber tank body 9 connects pump-line 7, and pump-line 7 connects vacuum pump 13.
The purpose of this utility model is achieved in that fluid to be clean enters oil atomization device 6 through oil-feed magnetic valve 4 (with oil-feed pump 5 interlocks) and oil-feed pump 5, carries out first oily water separation in vacuum separation chamber tank body 9.Detect by temperature monitor 2 and vacuum inspective meter 8 then and judge whether oil is qualified indirectly, if it is defective, with regard to once more by the processed that atomizes once more behind recycle pump 1 and well heater 3 heat temperature raisings, if pending fluid oil is too poor, it is still defective after an internal recycle is handled, can carry out internal recycle once more and handle, after qualified, discharge standby by oil drain pump 14 again.Isolated water vapour is discharged from the venting port of vacuum pump 13 through pump-line 7, finishes the one action circulation, and the disposable processing of pending fluid is qualified.Fluid level controller 11 comprises high and low two liquid levels control, and in the work, oil-feed pump 5 is subjected to fluid level controller 11 controls, automatically start fuel feeding during low level, automatically stop when attaining to a high place,, also can observe constantly by viewing window 12 to guarantee that oil level is normal all the time in the tank body 9 of vacuum separation chamber.Recycle pump 11 also is subjected to fluid level controller 11 controls, has only when oil level reaches low level and could start, and prevents idle running.Well heater 3 is subjected to recycle pump 11 control, could start dry combustion method when preventing from not have oil after having only recycle pump 1 to start.Oil drain pump 14 is by vacuum inspective meter 8, temperature monitor 2 and fluid level controller 11 common controls, the parameter value of vacuum inspective meter 8 and temperature monitor 2 can be set as required, judge whether oil is qualified indirectly, could start oil drain pump 14 after only reaching the above-mentioned parameter value of setting.
Above-mentioned is not directly to be discharged by oil drain pump according to traditional way through oil atomization device 6 oil after the first oily water separation in vacuum separation chamber tank body 9, but also judge by temperature monitor 2 and vacuum inspective meter 8 detections whether oil is qualified by the separating treatment that atomizes once more after 3 intensifications of recycle pump 1 heater via, if it is defective, just internal recycle is handled once more, could be transported to the place that needs with oil by oil drain pump after qualified.Really realized just oil being handled qualified target through a working cycle.Above-mentioned temperature monitor 2 and vacuum inspective meter 8 only are display instruments, can also be arranged to automatic control, and circuit control belongs to known technology, exceeds statement.
Because of having increased oil-feed pump and recycle pump 1, significantly improved the oil atomization detachment dynamic, and well heater 3 is arranged on the internal recycle loop, allow fluid to be clean in short path, rapidly and efficiently heat, owing to saved huger dedicated container and pipeline, reduced priming cost, reduced calorific loss, saved the energy (electric energy), reduced the working load of vacuum pump 13, make fluid in a working cycle, can realize multiple high temp, high pressure, the dehydration cycle processing of high pumping rate ground, thereby increase substantially removing water content in oil.By setting and detection, guaranteed that indirectly processed fluid has reached the index of expection to the temperature and the vacuum tightness of fluid.The utility model structure can be in a working cycle be treated by internal circulation apparatus and is purified that fluid carries out fast, the deep dehydration purification, oily water separation efficient and effect have been significantly improved, be arranged in the circulating oil path because of well heater 3 simultaneously, the heating efficiency height, energy consumption is low, the Heating temperature ascending, descending is steady, and is less to butyrous detrimentally affect.Really realized the target that disposable processing is qualified.
The utility model has dehydration soon in to oil water separation process, the advantage completely of dewatering, and simple in structure, reliable operation operates steadily, and can be widely used in the processing of various industrial fluid, be particularly useful for oily water separation requirement efficient height, separate the thoroughly field of (residual water content is low).Handle or the like as the transformer oil in the converting equipment that the refrigerator oil in the compressor of refrigeration equipments such as air-conditioning, refrigerator is handled, the ultra-high voltage high insulating property requires.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.