CN111570941B - Energy-saving environment-friendly electric spark oil residue separating and recycling machine - Google Patents
Energy-saving environment-friendly electric spark oil residue separating and recycling machine Download PDFInfo
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- CN111570941B CN111570941B CN202010470894.6A CN202010470894A CN111570941B CN 111570941 B CN111570941 B CN 111570941B CN 202010470894 A CN202010470894 A CN 202010470894A CN 111570941 B CN111570941 B CN 111570941B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/10—Supply or regeneration of working media
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/23—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp
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Abstract
The invention belongs to the technical field of electric spark machining, and particularly relates to an energy-saving and environment-friendly electric spark oil residue separating and recycling machine which comprises a distillation unit; the distillation unit is used for distilling the electric spark oil residue to generate steam; the top of the distillation unit is communicated with a condensing tank through an exhaust pipe; the bottom of the condensation tank is communicated with a liquid collecting tank; the distillation unit comprises a main furnace; a discharge pipe is arranged at the bottom of the main furnace, and a feed inlet is arranged at one side of the top of the main furnace; the exhaust pipe is positioned on one side of the speed reducing motor, which is far away from the feed inlet; a speed reducing cylinder communicated with the exhaust pipe is arranged in the main furnace, and the diameter of the speed reducing cylinder is more than twice of that of the exhaust pipe; the speed reducing cylinder is communicated with the inside of the main furnace through an L-shaped air inlet pipe; the invention reduces the air velocity through the speed reducing cylinder, reduces the oil residue dust entering the exhaust pipe, and increases the purity of the distilled oil product.
Description
Technical Field
The invention belongs to the technical field of electric spark machining, and particularly relates to an energy-saving and environment-friendly electric spark oil residue separating and recycling machine.
Background
The main component of the tire mold electric spark machining working solution is kerosene, graphite is adopted as a machining electrode at present, the graphite electrode generates loss in the machining process, a large amount of graphite ions are generated, and meanwhile, partial carbonized particles can be generated by the carbonization of the working solution; on the other hand, machining slag generated by erosion during the electric discharge machining process is also scattered in the working fluid, which adversely affects the machining accuracy. Mainly comprises the following steps: 1 the graphite ions and the scrap iron influence the performance of the working solution, reduce the processing speed of electric sparks and further influence the production efficiency of the whole enterprise, and simultaneously reduce the processing quality. 2, along with the increase of the concentration of graphite ions in the working solution, the viscosity of the working solution is greatly improved, meanwhile, coke is easily formed by electric spark machining, the flash point of kerosene is low, the danger of combustion of the working solution in the machining process is increased due to the long-time and high-concentration cumulative effect of the graphite ions, and the safety production is not facilitated. 3 due to the existence of the solid particles, a certain amount of electric spark working fluid needs to be replaced or eliminated periodically, and the corresponding production cost is increased.
Some technical schemes related to recovery of spark oil also appear in the prior art, for example, a chinese patent with application number 2013107288566 discloses a cycle treatment recovery system and a treatment recovery method for an electric discharge machining working fluid, which comprises a dirty fluid tank, a primary separator, a cyclone set and a fluid storage tank a, which are connected in sequence through a pipeline, a suction filtration device connected with the primary separator through a pipeline, and an electromagnetic filter residue classification recovery device matched with the suction filtration device through a mechanical lifting device. The invention can separate more than 95 percent of processing slag from the processing working solution, simultaneously realize the effective filtration of particles with various particle sizes including graphite particles about 6 microns, and the minimum separation particle size can reach 1-2 microns after the working solution is purified at the terminal, thereby realizing the online recycling of the electric spark processing working solution, not only reducing the operation cost of the electric spark processing procedure, but also improving the processing quality of the tire mold; on the other hand, the filtered scrap iron and other processing slag and graphite form filter cakes in the suction filtration type groove A, and the filter cakes can be classified and recycled after being treated, so that the pollution of filter residues to the environment is greatly reduced; the oil residue treated in the prior art is oily waste residue consisting of copper, iron, graphite and other powder, and certain oil is remained in the oil residue, so that the oil residue is not beneficial to stacking and treatment of the environment, and capital is spent to be used as a harmless part by a professional company; in the process of continuously stirring and heating the electric spark oil residues, generated steam contains a large amount of iron powder and copper powder with extremely small particles, and the powder is easy to mix into a condensation tank and a liquid collection tank after passing through an exhaust pipe, so that the quality of an oil product is influenced.
Disclosure of Invention
In order to make up the defects of the prior art, the method solves the problems that the oil residue treated in the prior art is oily waste residue consisting of copper, iron, graphite and other powder, and certain oil is remained in the oil residue, so that the method is not beneficial to environment stacking and treatment and needs to spend funds to be used as a harmless part by a professional company; the invention relates to a separating and recycling machine for electric spark oil residues, which solves the problems that in the process of continuously stirring and heating the electric spark oil residues, generated steam contains a large amount of iron powder and copper powder with extremely small particles, and the powder is easy to mix into a condensing tank and a liquid collecting tank after passing through an exhaust pipe, so that the quality of an oil product is influenced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an energy-saving environment-friendly electric spark oil residue separating and recycling machine, which comprises a distillation unit; the distillation unit is used for distilling the electric spark oil residue to generate steam; the top of the distillation unit is communicated with a condensing tank through an exhaust pipe; the bottom of the condensing tank is communicated with a liquid collecting tank, and a sight cup is arranged on a pipeline between the condensing tank and the liquid collecting tank; the condensing tank is communicated with the water outlet pipe and the circulating pump through a water inlet pipe, and cooling water is pumped into the condensing tank through the circulating pump to liquefy and recover steam; a snake-shaped condensation pipe is arranged in the condensation tank, and the top of the condensation pipe is communicated with an exhaust pipe; the bottom of the condensing pipe passes through a tail gas pipe and a waste gas treatment cylinder; a pair of partition plates are arranged in the waste gas treatment cylinder, the partition plates divide the waste gas treatment cylinder into zigzag air passages, a group of filter screens are arranged in the air passages at one side of the partition plates close to the tail gas pipe, desulfurization multi-surface hollow balls are arranged in the filter screens, and a spraying device communicated with spraying liquid is arranged at the upper part of each filter screen; an axial flow suction fan is arranged at the exhaust position at the tail end of the air passage, and a demister is arranged in the air passage at the corresponding position at the bottom of the axial flow suction fan; wherein:
a distillation unit comprising a main furnace; a speed reducing motor is arranged in the center of the top of the main furnace, and an output shaft of the speed reducing motor penetrates through the main furnace and extends into the main furnace; an output shaft of the speed reducing motor is fixedly connected with a rotating shaft, and a group of stirring rods are uniformly distributed on the periphery of the rotating shaft; the periphery of the main furnace is provided with an electric heating assembly, and the electric heating assembly is connected with an electric power supply to heat the main furnace; a discharge pipe is arranged at the bottom of the main furnace, and a feed inlet is arranged at one side of the top of the main furnace; the exhaust pipe is positioned on one side of the speed reducing motor, which is far away from the feed inlet; a speed reducing cylinder communicated with the exhaust pipe is arranged in the main furnace, and the diameter of the speed reducing cylinder is more than twice of that of the exhaust pipe; the speed reducing cylinder is communicated with the inside of the main furnace through an L-shaped air inlet pipe; the air flow speed is reduced through the speed reduction cylinder, oil residue dust is reduced to enter the exhaust pipe, and the purity of the distilled oil product is increased;
the inner wall and the outer wall of the main furnace are both provided with temperature sensors, a pressure sensor is arranged in the main furnace, a liquid level position sensor and a temperature sensor are arranged in the liquid collecting tank, and the whole machine is controlled by a PLC program and can be operated manually or fully automatically by one key;
when the electric spark oil residue heating furnace works, electric spark oil residue is filled into the main furnace from the feeding hole, then the feeding hole is sealed, meanwhile, the main furnace is heated through the heating assembly, the speed reduction motor is controlled to rotate through the controller, the rotating shaft and the stirring rod are further driven to rotate continuously, the electric spark oil residue is stirred continuously, the heating uniformity of the electric spark oil residue is increased, meanwhile, the scale formation of the inner wall of the main furnace is reduced, the heating efficiency of the electric heating assembly is increased, and energy is saved; when the electric spark oil residues in the main furnace are heated, the evaporation part contains steam of various oil components, the steam is extracted by reducing the pressure of the exhaust pipe, the evaporation temperature of oil-containing steam of the electric spark oil residues is reduced, the distillation efficiency of the steam is further increased, the problem of avoiding overbaking is reduced, the distillation efficiency of the steam is ensured, after the steam is distilled, the steam enters a condensation tank through the exhaust pipe, different heating temperatures are controlled by an electric heating unit, the oil products with different boiling points are evaporated to form the steam, after the steam is liquefied when passing through the condensation tank, light oil and heavy oil can be separated out from a stored liquid collection tank, and then non-condensable gas in the exhaust pipe is discharged into the atmosphere after being treated by a waste gas treatment cylinder, so that the air pollution is reduced; but in the electric spark oil residue constantly stirs the heating process in prior art, contain the minimum iron powder of a large amount of granule and copper powder in the steam of production, these powders mix into the condensing tank and the collecting tank after the blast pipe easily, influence the oil quality, very easily block up the filter cloth when filtering through the filter cloth, communicate with the reduction cylinder through the intake pipe this moment, because the reduction cylinder diameter is greater than twice of blast pipe diameter, make the air current in the intake pipe get into the reduction cylinder after the speed reduction cylinder speed reduce fast, and then increase the settling time of iron powder, increase the settling efficiency of iron powder, reduce the oil residue dust and get into the blast pipe, increase the purity of distilling out the oil.
Preferably, the upper part and the lower part of the speed reducing cylinder are both arranged in a conical shape, the bottom of the speed reducing cylinder is communicated with the inside of the main furnace through a slag discharge pipe, and a valve is arranged in the slag discharge pipe; an inverted bowl-shaped dispersing cylinder is arranged in the speed reducing cylinder and close to the upper part, and the air inlet pipe penetrates through the speed reducing cylinder and extends into the speed reducing cylinder; one end of the air inlet pipe, which is positioned in the speed reducing cylinder, is communicated with the top of the dispersing cylinder; the exhaust pipe is communicated with the conical top of the reduction cylinder, and the steam flow rate is further reduced and the dust settling time is increased by matching the reduction cylinder with the dispersion cylinder, so that the purity of the distilled oil product is further increased; after steam passes through the intake pipe, steam passes through the intake pipe and discharges into dispersion section of thick bamboo, because steam has higher temperature for steam accumulation is on dispersion section of thick bamboo upper portion, later steam accumulation slowly pushes down when too much, and then further reduces the flow velocity of steam, simultaneously because the cooperation of a speed reduction section of thick bamboo and dispersion section of thick bamboo, the direction of constantly changing the air current reduces the kinetic energy of air current, further reduces the steam velocity of flow, and then increases the settling time of iron powder in the steam, and then further increases the purity of distilling out the oil.
Preferably, the periphery of the bottom of the reduction cylinder is provided with a conical bearing frame, a group of coils are uniformly distributed on the inner circumference of the bearing frame, and the coils are connected with a power supply through a controller; the coil is electrified to generate magnetic force to adsorb iron dust, so that the settling speed of the dust in the steam is further increased; the coil is electrified to form a magnetic field, and the magnetic field magnetizes and attracts the iron powder downwards, so that the settling speed of the iron powder is further increased, the content of the iron powder in steam is reduced, and the purity of the distilled oil product is further increased.
Preferably, the bearing frame is rotationally connected with the periphery of the slag discharge pipe and is driven to rotate by the driving assembly; the driving assembly drives the bearing frame to rotate around the slag discharge pipe, so that the settling efficiency of metal dust in the steam is improved; the bearing frame is driven by the driving assembly to rotate around the slag discharge pipe continuously, so that metal dust such as copper powder in the speed reduction cylinder cuts magnetic induction lines, and eddy current is formed in the copper powder, wherein the eddy current is generated by intersecting a moving magnetic field with a metal conductor or perpendicularly intersecting the moving metal conductor with the magnetic field; generating a current circulating in the conductor by the effect of electromagnetic induction; the circulating current generates an induction magnetic field, so that the movement of the copper powder is hindered, the sedimentation efficiency of the copper powder is further increased, and the purity of the distilled oil product is increased.
Preferably, a group of baffles are uniformly distributed on the inner wall of the speed reducing cylinder close to the lower part of the circumference, so that the flying of iron powder is reduced through the baffles, and the settling efficiency of metal dust in steam is further increased; because the driving coil rotates when the bearer rotates, and then attracts the iron powder rotatory in the section of thick bamboo that slows down, has increased the raise dust of iron powder, is unfavorable for the rapid and stable settlement of iron powder, is close to a set of baffle of lower part position circumference equipartition through a section of thick bamboo inner wall that slows down this moment, blocks the iron powder and cuts apart, and the removal of restriction iron powder, and then reduces the raise dust in the section of thick bamboo that slows down, further increases metal dust's in the steam efficiency of subsiding.
Preferably, the periphery of the slag discharging pipe is provided with an inclined cam groove at a position corresponding to the bearing frame, a sliding column in sliding connection in the cam groove is fixedly connected with the bearing frame, the up-and-down movement of the bearing frame is increased by matching the sliding column with the cam groove, and the dust collection efficiency of the speed reducing cylinder is further increased; through cam slot cooperation traveller, increase the up-and-down motion that increases the bolster, and then through the periodic variation of coil appeal, increase the whereabouts efficiency of the iron powder that the cone portion inner wall subsides of speed reduction bobbin base portion for near the slag discharge hole is collected fast to the iron powder, increases the cleaning efficiency of iron powder, avoids the steam dust collection efficiency decline that the iron powder deposit too much arouses, and then further increases the dust collection efficiency of speed reduction bobbin.
The invention has the following beneficial effects:
1. the energy-saving environment-friendly electric spark oil residue separating and recycling machine is communicated with the speed reducing cylinder through the air inlet pipe, and the diameter of the speed reducing cylinder is more than twice that of the exhaust pipe, so that the speed of air flow in the air inlet pipe is quickly reduced after the air flow enters the speed reducing cylinder, the settling time of iron powder is prolonged, the settling efficiency of the iron powder is increased, oil residue dust is reduced, the oil residue dust enters the exhaust pipe, and the purity of distilled oil products is increased.
2. According to the energy-saving environment-friendly electric spark oil residue separating and recycling machine, the bearing frame is driven by the driving assembly to rotate around the residue discharge pipe continuously, so that metal dust such as copper powder in the speed reducing cylinder cuts magnetic induction lines, and eddy current is formed in the copper powder, wherein the eddy current is generated by intersecting a moving magnetic field with a metal conductor or perpendicularly intersecting the moving metal conductor with the magnetic field; generating a current circulating in the conductor by the effect of electromagnetic induction; the circulating current generates an induction magnetic field, so that the movement of the copper powder is hindered, the sedimentation efficiency of the copper powder is further increased, and the purity of the distilled oil product is increased.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural view of a reduction cylinder according to the present invention;
FIG. 4 is a graph of sludge temperature in accordance with the present invention;
in the figure: the device comprises a distillation unit 1, an exhaust pipe 2, a condensing tank 21, a liquid collecting tank 22, a water inlet pipe 23, a water outlet pipe 24, a waste gas treatment cylinder 25, a glass cup 210, a main furnace 11, a speed reduction motor 12, a rotating shaft 13, a stirring rod 14, a discharging pipe 15, a feed inlet 16, a speed reduction cylinder 3, an air inlet pipe 31, a slag discharge pipe 32, a dispersing cylinder 33, a bearing frame 34, a coil 35, a baffle 36, a cam groove 37, a condensing pipe 27, a tail gas pipe 28, a partition plate 29, a filter screen 4, a demister 41, a spraying device 42 and an axial flow suction fan 26.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the energy-saving and environment-friendly electric spark oil residue separating and recycling machine comprises a distillation unit 1; the distillation unit 1 is used for distilling the electric spark oil residue to generate steam; the top of the distillation unit 1 is communicated with a condensing tank 21 through an exhaust pipe 2; the bottom of the condensing tank 21 is communicated with a liquid collecting tank 22, and a pipeline between the condensing tank 21 and the liquid collecting tank 22 is provided with a sight cup 210; the condensing tank 21 is communicated with a water outlet pipe 24 and a circulating pump through a water inlet pipe 23, and cooling water is pumped in through the circulating pump to liquefy and recover steam; a snake-shaped condensing pipe 27 is arranged in the condensing tank 21, and the top of the condensing pipe 27 is communicated with the exhaust pipe 2; the bottom of the condensation pipe 27 passes through an exhaust pipe 28 and an exhaust gas treatment cylinder 25; a pair of partition plates 29 are arranged in the waste gas treatment cylinder 25, the partition plates 29 divide the waste gas treatment cylinder 25 into zigzag air passages, a group of filter screens 4 are arranged in the air passages at one side of the partition plates 29 close to the tail gas pipe 28, desulfurization multi-surface hollow balls are arranged in the filter screens 4, and a spraying device 42 communicated with spraying liquid is arranged at the upper part of each filter screen 4; an axial flow suction fan 26 is arranged at the exhaust position at the tail end of the air passage, and a demister 41 is arranged in the air passage at the corresponding position at the bottom of the axial flow suction fan 26; wherein:
a distillation unit 1 comprising a main furnace 11; a speed reducing motor 12 is arranged in the center of the top of the main furnace 11, and an output shaft of the speed reducing motor 12 penetrates through the main furnace 11 and extends into the main furnace 11; an output shaft of the speed reducing motor 12 is fixedly connected with a rotating shaft 13, and a group of stirring rods 14 are uniformly distributed on the periphery of the rotating shaft 13; an electric heating assembly is arranged on the periphery of the main furnace 11 and is connected with a power supply to heat the main furnace 11; a discharge pipe 15 is arranged at the bottom of the main furnace 11, and a feed inlet 16 is arranged at one side of the top of the main furnace 11; the exhaust pipe 2 is positioned on one side of the speed reducing motor 12 far away from the feed inlet 16; a speed reducing cylinder 3 communicated with the exhaust pipe 2 is arranged in the main furnace 11, and the diameter of the speed reducing cylinder 3 is more than twice of that of the exhaust pipe 2; the speed reducing cylinder 3 is communicated with the interior of the main furnace 11 through an L-shaped air inlet pipe 31; the speed of the air flow is reduced through the speed reducing cylinder 3, the oil residue dust is reduced to enter the exhaust pipe 2, and the purity of the distilled oil product is increased;
temperature sensors are arranged on the inner wall and the outer wall of the main furnace 11, a pressure sensor is arranged in the main furnace 11, a liquid level position sensor and a temperature sensor are arranged in the liquid collecting tank 22, and the whole machine is controlled by a PLC program and can be operated manually or automatically by one key;
when the electric spark oil residue stirring device works, electric spark oil residue is filled into the main furnace 11 from the feeding hole 16, then the feeding hole 16 is sealed, meanwhile, the main furnace 11 is heated through the heating assembly, the speed reduction motor 12 is controlled to rotate through the controller, the rotating shaft 13 and the stirring rod 14 are further driven to rotate continuously, the electric spark oil residue is stirred continuously, the heating uniformity of the electric spark oil residue is increased, meanwhile, the scale formation on the inner wall of the main furnace 11 is reduced, the heating efficiency of the electric heating assembly is increased, and energy is saved; when the electric spark oil residues in the main furnace 11 are heated, steam containing various oil components is evaporated, the steam is depressurized and extracted through the exhaust pipe 2, the evaporation temperature of oil-containing steam of the electric spark oil residues is reduced, the distillation efficiency of the steam is further increased, the problem of avoiding overbaking is reduced, the distillation efficiency of the steam is ensured, after the steam is distilled, the steam enters the condensing tank 21 through the exhaust pipe 2, different heating temperatures are controlled through an electric heating unit, the oil products with different boiling points are evaporated to form the steam, after the steam is liquefied through the condensing tank 21, the stored liquid collecting tank 22 can separate light oil and heavy oil, then the non-condensable gas in the exhaust pipe 2 is treated through the waste gas treatment cylinder 25 and then is discharged into the atmosphere, and the air pollution is reduced; however, in the process of continuously stirring and heating the electric spark oil residue in the prior art, the generated steam contains a large amount of iron powder and copper powder with extremely small particles, the powder is easy to mix into the condensing tank 21 and the liquid collecting tank 22 after passing through the exhaust pipe 2, the quality of an oil product is affected, the filter cloth is easy to block during filtering through the filter cloth, the powder is communicated with the speed reducing cylinder 3 through the air inlet pipe 31 at the moment, the speed of the air flow in the air inlet pipe 31 is rapidly reduced after entering the speed reducing cylinder 3 because the diameter of the speed reducing cylinder 3 is more than twice of the diameter of the exhaust pipe 2, the settling time of the iron powder is further increased, the settling efficiency of the iron powder is increased.
As an implementation mode of the invention, the upper part and the lower part of the speed reducing cylinder 3 are both arranged in a conical shape, the bottom of the speed reducing cylinder 3 is communicated with the inside of the main furnace 11 through a slag discharging pipe 32, and a valve is arranged in the slag discharging pipe 32; an inverted bowl-shaped dispersing cylinder 33 is arranged in the decelerating cylinder 3 close to the upper part, and the air inlet pipe 31 penetrates through the decelerating cylinder 3 and extends into the decelerating cylinder 3; one end of the air inlet pipe 31 positioned in the speed reducing cylinder 3 is communicated with the top of the dispersing cylinder 33; the exhaust pipe 2 is communicated with the conical top of the reduction cylinder 3, and the steam flow rate is further reduced and the dust settling time is increased by matching the reduction cylinder 3 with the dispersion cylinder 33, so that the purity of the distilled oil product is further increased; after steam passes through intake pipe 31, steam discharges into dispersion section of thick bamboo 33 through intake pipe 31, because steam has higher temperature, make steam gather on dispersion section of thick bamboo 33 upper portion, later steam gathers and slowly pushes down when too much, and then further reduces the flow velocity of steam, simultaneously because the cooperation of reduction cylinder 3 and dispersion section of thick bamboo 33, constantly change the direction of air current, reduce the kinetic energy of air current, further reduce the steam velocity of flow, and then increase the settling time of iron powder in the steam, and then further increase the purity of distilling out the oil.
As an embodiment of the invention, the periphery of the bottom of the reduction cylinder 3 is provided with a conical bearing frame 34, a group of coils 35 are uniformly distributed on the inner circumference of the bearing frame 34, and the coils 35 are connected with a power supply through a controller; the coil 35 is electrified to generate magnetic force to adsorb iron dust, so that the settling speed of the dust in the steam is further increased; the coil 35 is electrified to form a magnetic field, and the magnetic field magnetizes the iron powder and attracts the iron powder downwards, so that the settling speed of the iron powder is further increased, the content of the iron powder in the steam is reduced, and the purity of the distilled oil product is further increased.
As an embodiment of the invention, the bearing frame 34 is rotatably connected with the periphery of the slag discharging pipe 32, and the bearing frame 34 is driven to rotate by a driving component; the driving assembly drives the bearing frame 34 to rotate around the slag discharge pipe 32, so that the settling efficiency of the metal dust in the steam is increased; the driving assembly drives the bearing frame 34 to rotate around the slag discharge pipe 32 continuously, so that metal dust such as copper powder in the speed reduction cylinder 3 cuts magnetic induction lines, and eddy current is formed in the copper powder, wherein the eddy current is generated by intersection of a moving magnetic field and a metal conductor or vertical intersection of the moving metal conductor and the magnetic field; generating a current circulating in the conductor by the effect of electromagnetic induction; the circulating current generates an induction magnetic field, so that the movement of the copper powder is hindered, the sedimentation efficiency of the copper powder is further increased, and the purity of the distilled oil product is increased.
As an embodiment of the invention, a group of baffles 36 are uniformly distributed on the inner wall of the reduction cylinder 3 near the lower part of the circumference, and the flying of iron powder is reduced by the baffles 36, so that the settling efficiency of metal dust in steam is further increased; because driving coil 35 rotates when bolster 34 is rotatory, and then attract the iron powder rotatory in reduction cylinder 3, increased the raise dust of iron powder, be unfavorable for the rapid and stable of iron powder to subside, be close to a set of baffle 36 of lower part position circumference equipartition through reduction cylinder 3 inner wall this moment, block the iron powder and cut apart, the removal of restriction iron powder, and then reduce the raise dust in reduction cylinder 3, further increase the efficiency of subsiding of metal dust in steam.
As an embodiment of the invention, the outer periphery of the slag discharging pipe 32 is provided with an inclined cam groove 37 at a position corresponding to the bearing frame 34, a sliding column in sliding connection in the cam groove 37 is fixedly connected with the bearing frame 34, the up-and-down movement of the bearing frame 34 is increased by matching the sliding column with the cam groove 37, and the dust collection efficiency of the speed reducing cylinder 3 is further increased; through cam groove 37 cooperation traveller, increase the up-and-down motion of bolster 34, and then through the periodic variation of coil 35 appeal, increase the whereabouts efficiency of the iron powder that the cone portion inner wall subsides in the bottom of a speed reduction section of thick bamboo 3 for near the slag discharge hole is collected fast to the iron powder, increases the cleaning efficiency of iron powder, avoids the steam dust collection efficiency decline that the iron powder deposit too much arouses, and then further increases the dust collection efficiency of a speed reduction section of thick bamboo 3.
When the electric spark oil slag discharging device works, electric spark oil slag is filled into the main furnace 11 from the feeding hole 16, then the feeding hole 16 is closed, whether the discharging pipe 15 is closed and locked or not is checked before the charging, and whether leakage exists or not is checked after the charging; meanwhile, the main furnace 11 is heated through the heating assembly, the speed reducing motor 12 is controlled to rotate through the controller, the rotating shaft 13 and the stirring rod 14 are further driven to rotate continuously, electric spark oil residues are turned continuously, the heating uniformity of the electric spark oil residues is improved, meanwhile, the scale on the inner wall of the main furnace 11 is reduced, the heating efficiency of the electric heating assembly is increased, and energy is saved; when the temperature in the main furnace 11 rises to above A point (100 ℃), steam begins to be discharged, the steam is cooled into water, the water is evaporated completely at B point (130 ℃), the temperature is continuously increased, the temperature in the main furnace 11 rises to about C point (250 ℃), a large amount of oil is discharged at D point (300 ℃), the oil quantity is reduced at E point, the oil is not discharged at F point, the heating component is closed, when electric spark oil residue in the main furnace 11 is heated, steam containing various oil components is evaporated, the steam is extracted by the pressure reduction of the exhaust pipe 2, the evaporation temperature of the oil-containing steam of the electric spark oil residue is reduced, the distillation efficiency of the steam is further increased, the occurrence of the problem of over-drying is avoided, the distillation efficiency of the steam is ensured, when the steam is distilled, the steam enters the condensing tank 21 through the exhaust pipe 2, different heating temperatures are controlled by the electric heating unit, the oil products with different boiling points are evaporated to form the steam, after the steam is liquefied through the condensing tank 21, light oil and heavy oil can be separated out from the stored liquid collecting tank 22, and then the non-condensable gas in the exhaust pipe 2 is discharged into the atmosphere after being treated by the waste gas treatment cylinder 25, so that the air pollution is reduced; however, in the prior art, in the process of continuously stirring and heating the electric spark oil residues, generated steam contains a large amount of iron powder and copper powder with extremely small particles, the powder is easy to mix into a condensing tank 21 and a liquid collecting tank 22 after passing through an exhaust pipe 2, the quality of an oil product is affected, the filter cloth is easy to block when the powder is filtered by the filter cloth, at the moment, the powder is communicated with a speed reducing cylinder 3 through an air inlet pipe 31, and the speed of air flow in the air inlet pipe 31 is quickly reduced after the air flow enters the speed reducing cylinder 3 because the diameter of the speed reducing cylinder 3 is more than twice of that of the exhaust pipe 2, so that the settling time of the iron powder is increased, the settling; after the steam passes through the air inlet pipe 31, the steam is discharged into the dispersion cylinder 33 through the air inlet pipe 31, the steam is accumulated on the upper part of the dispersion cylinder 33 due to the high temperature of the steam, and then the steam is slowly pressed down when the steam is excessively accumulated, so that the flow speed of the steam is further reduced, meanwhile, due to the matching of the speed reduction cylinder 3 and the dispersion cylinder 33, the direction of the airflow is continuously changed, the kinetic energy of the airflow is reduced, the flow speed of the steam is further reduced, the settling time of iron powder in the steam is further increased, and the purity of the distilled oil product is further increased; a magnetic field is formed after the coil 35 is electrified, the iron powder is magnetized and attracted downwards by the magnetic field, the settling speed of the iron powder is further increased, the content of the iron powder in steam is reduced, and the purity of the distilled oil product is further increased; the driving assembly drives the bearing frame 34 to rotate around the slag discharge pipe 32 continuously, so that metal dust such as copper powder in the speed reduction cylinder 3 cuts magnetic induction lines, and eddy current is formed in the copper powder, wherein the eddy current is generated by intersection of a moving magnetic field and a metal conductor or vertical intersection of the moving metal conductor and the magnetic field; generating a current circulating in the conductor by the effect of electromagnetic induction; the circulating current generates an induction magnetic field, so that the movement of the copper powder is hindered, the sedimentation efficiency of the copper powder is further increased, and the purity of the distilled oil product is increased; the bearing frame 34 drives the coil 35 to rotate when rotating, so that the iron powder is attracted to rotate in the speed reducing cylinder 3, the dust of the iron powder is increased, the iron powder is not beneficial to rapid and stable sedimentation of the iron powder, at the moment, a group of baffles 36 are uniformly distributed on the circumference of the inner wall of the speed reducing cylinder 3 close to the lower part of the inner wall of the speed reducing cylinder 3 to block and divide the iron powder, the movement of the iron powder is limited, the dust in the speed reducing cylinder 3 is reduced, and the sedimentation efficiency of metal dust in steam is further increased; through cam groove 37 cooperation traveller, increase the up-and-down motion of bolster 34, and then through the periodic variation of coil 35 appeal, increase the whereabouts efficiency of the iron powder that the cone portion inner wall subsides in the bottom of a speed reduction section of thick bamboo 3 for near the slag discharge hole is collected fast to the iron powder, increases the cleaning efficiency of iron powder, avoids the steam dust collection efficiency decline that the iron powder deposit too much arouses, and then further increases the dust collection efficiency of a speed reduction section of thick bamboo 3.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Energy-concerving and environment-protective type electric spark oil residue separation retrieves machine, its characterized in that: comprising a distillation unit (1); the distillation unit (1) is used for distilling the electric spark oil residue to generate steam; the top of the distillation unit (1) is communicated with a condensing tank (21) through an exhaust pipe (2); the bottom of the condensing tank (21) is communicated with a liquid collecting tank (22), and a pipe between the condensing tank (21) and the liquid collecting tank (22) is provided with a sight cup (210); the condensing tank (21) is communicated with a water outlet pipe (24) and a circulating pump through a water inlet pipe (23), and cooling water is pumped into the condensing tank through the circulating pump to liquefy and recover steam; a snake-shaped condensing pipe (27) is arranged in the condensing tank (21), and the top of the condensing pipe (27) is communicated with the exhaust pipe (2); the bottom of the condensation pipe (27) is connected with the waste gas treatment cylinder (25) through a tail gas pipe (28); a pair of partition plates (29) are arranged in the waste gas treatment cylinder (25), the partition plates (29) divide the waste gas treatment cylinder (25) into zigzag air passages, a group of filter screens (4) are arranged in the air passages at one side of the partition plates (29) close to the tail gas pipe (28), desulfurization multi-face hollow spheres are arranged in the filter screens (4), and a spraying device (42) communicated with spraying liquid is arranged at the upper part of each filter screen (4); an axial flow suction fan (26) is arranged at the exhaust position at the tail end of the air passage, and a demister (41) is arranged in the air passage at the corresponding position at the bottom of the axial flow suction fan (26); wherein:
a distillation unit (1) comprising a main furnace (11); the center of the top of the main furnace (11) is provided with a speed reducing motor (12), and an output shaft of the speed reducing motor (12) penetrates through the main furnace (11) and extends into the main furnace (11); an output shaft of the speed reducing motor (12) is fixedly connected with a rotating shaft (13), and a group of stirring rods (14) are uniformly distributed on the periphery of the rotating shaft (13); the periphery of the main furnace (11) is provided with an electric heating assembly, and the electric heating assembly is connected with a power supply to heat the main furnace (11); a discharge pipe (15) is arranged at the bottom of the main furnace (11), and a feed inlet (16) is arranged at one side of the top of the main furnace (11); the exhaust pipe (2) is positioned on one side of the speed reducing motor (12) far away from the feed port (16); a speed reducing cylinder (3) communicated with the exhaust pipe (2) is arranged in the main furnace (11), and the diameter of the speed reducing cylinder (3) is more than twice of that of the exhaust pipe (2); the speed reducing cylinder (3) is communicated with the interior of the main furnace (11) through an L-shaped air inlet pipe (31); the speed of the air flow is reduced through the speed reducing cylinder (3), the oil residue and dust are reduced to enter the exhaust pipe (2), and the purity of the cracked oil product is increased;
temperature sensors are arranged on the inner wall and the outer wall of the main furnace (11), a pressure sensor is arranged in the main furnace (11), a liquid level position sensor and a temperature sensor are arranged in the liquid collecting tank (22), and the whole machine is controlled by a PLC program and can be operated manually or automatically by one key;
the upper part and the lower part of the speed reducing cylinder (3) are arranged in a conical manner, the bottom of the speed reducing cylinder (3) is communicated with the inside of the main furnace (11) through a slag discharging pipe (32), and a valve is arranged in the slag discharging pipe (32); an inverted bowl-shaped dispersing cylinder (33) is arranged in the decelerating cylinder (3) and close to the upper part, and the air inlet pipe (31) penetrates through the decelerating cylinder (3) and extends into the decelerating cylinder (3); one end of the air inlet pipe (31) positioned in the speed reducing cylinder (3) is communicated with the top of the dispersing cylinder (33); the exhaust pipe (2) is communicated with the conical top of the speed reducing cylinder (3), and the steam flow rate is further reduced through the matching of the speed reducing cylinder (3) and the dispersing cylinder (33), so that the dust settling time is prolonged, and the purity of the cracked oil product is further increased.
2. The energy-saving and environment-friendly electric spark oil residue separating and recycling machine as claimed in claim 1, is characterized in that: the periphery of the bottom of the speed reducing cylinder (3) is provided with a conical bearing frame (34), a group of coils (35) are uniformly distributed on the inner circumference of the bearing frame (34), and the coils (35) are connected with a power supply through a controller; the coil (35) is electrified to generate magnetic force to adsorb iron dust, and the settling speed of the dust in the steam is further increased.
3. The energy-saving and environment-friendly electric spark oil residue separating and recycling machine as claimed in claim 2, is characterized in that: the bearing frame (34) is rotationally connected with the periphery of the slag discharge pipe (32), and the bearing frame (34) is driven to rotate by the driving component; the driving assembly drives the bearing frame (34) to rotate around the slag discharge pipe (32), so that the settling efficiency of the metal dust in the steam is increased.
4. The energy-saving and environment-friendly electric spark oil residue separating and recycling machine as claimed in claim 3, is characterized in that: a group of baffles (36) are uniformly distributed on the inner wall of the speed reducing cylinder (3) close to the lower part of the circumference, so that flying of iron powder is reduced through the baffles (36), and the settling efficiency of metal dust in steam is further increased.
5. The energy-saving and environment-friendly electric spark oil residue separating and recycling machine as claimed in claim 4, is characterized in that: the inclined cam groove (37) is formed in the position, corresponding to the bearing frame (34), of the periphery of the slag discharge pipe (32), the sliding column in sliding connection in the cam groove (37) is fixedly connected with the bearing frame (34), the sliding column is matched with the cam groove (37) to increase the up-and-down movement of the bearing frame (34), and the dust collection efficiency of the speed reduction cylinder (3) is further increased.
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