CN105822616A - Driving control system of loop type extractor - Google Patents
Driving control system of loop type extractor Download PDFInfo
- Publication number
- CN105822616A CN105822616A CN201610342609.6A CN201610342609A CN105822616A CN 105822616 A CN105822616 A CN 105822616A CN 201610342609 A CN201610342609 A CN 201610342609A CN 105822616 A CN105822616 A CN 105822616A
- Authority
- CN
- China
- Prior art keywords
- relay
- hydraulic oil
- signal
- oil
- hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/22—Synchronisation of the movement of two or more servomotors
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/006—Refining fats or fatty oils by extraction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to a driving control system of a loop type extractor. The driving control system is characterized in that a loop type chain is jointly driven by an upper driving shaft and a lower driving shaft; the upper and lower driving shafts are driven by an upper hydraulic driving device and a lower hydraulic driving device; the oil inlets of the upper and lower hydraulic driving devices are both connected with a hydraulic oil supply main; the oil return openings of the upper and lower hydraulic driving devices are both connected with the hydraulic oil return main; a hydraulic oil pump is driven by a hydraulic oil pump motor; the median function of a three-position four-way reversing valve is M-type; the suction opening of the hydraulic oil pump is connected with the oil outlet of a hydraulic oil tank and an oil suction filter is mounted at the oil outlet of the hydraulic oil tank; the outlet of the hydraulic oil pump is connected with the port P of the three-position four-way reversing valve; the port T of the three-position four-way reversing valve is connected with the oil return opening of the hydraulic oil tank; the port A of the three-position four-way reversing valve is connected with the hydraulic oil supply main; and the port B of the three-position four-way reversing valve is connected with the hydraulic oil return main. By adoption of the driving control system, double-shaft driving of the loop type chain and synchronized stable running of the two driving shafts can be realized.
Description
Technical field
The present invention relates to a kind of infuser, particularly to the driving control system of a kind of loop type extractor, belong to vegetable oil leaching and control technical field.
Background technology
Leaching is operation the most key in oil refining process, its principle is the intersolubility utilizing oils and fats with solvent, solvent penetration is to solid oil plant, dissolve oils and fats and form concentrated blend, owing to there is concentration difference, concentrated blend within solid oil plant is diffused in dilute miscella of outside, oil extraction out.The capital equipment leached in operation is infuser, according to material characteristic and yield, and general employing pot group type infuser, flat rotary extractor or ring type infuser etc..
Traditional loop type extractor includes ring chain, the head lower end of ring chain uses single drive shaft to drive, head upper end uses arc track to turn to, afterbody bending section uses semicircular track for upper strata chain skid steer to lower floor, the lower section of upper strata chain is provided with upper strata screen, lower floor's screen it is provided with below lower floor's scraper plate, the lower section of upper strata screen is provided with upper strata oil bucket, the lower section of lower floor's screen is provided with lower floor's oil bucket, on, the top of lower floor's screen is respectively provided with the bed of material, circumference along chain is uniformly provided with heavy big scraper plate, on, the top of the lower bed of material is respectively equipped with spray equipment, carry out material soaking extraction, the oils and fats leached falls in the oil bucket of lower section.
Sprocket wheel when single drive shaft drives is big with chain engagement place stress, abrasion weight；Chain simultaneously under tension and Moment, stress is big, time have chain cleavage, running check, replacing, cause operating cost high.If taking double driving shafts to drive, must solve stationary problem, if can block in expecting the too high infuser in position simultaneously, material position is too low, and the material envelope at charging aperture is destroyed, and solvent vapo(u)r can be caused to leak at charging aperture.
Summary of the invention
It is an object of the invention to, overcome problems of the prior art, it is provided that the driving control system of a kind of loop type extractor, it is possible to achieve the Two axle drive of chain and Biaxial synchronous even running.
For solving above technical problem, a kind of driving control system of the loop type extractor of the present invention, including the ring chain detoured in infuser housing, described ring chain is driven jointly by upper drive shaft and lower drive shaft, described upper drive shaft is driven by upper fluid pressure drive device, described lower drive shaft is driven by lower fluid pressure drive device, described upper fluid pressure drive device and described lower fluid pressure drive device are controlled by same hydraulic power unit, described upper fluid pressure drive device is connected with hydraulic oil fuel feeding house steward by confession oil inlet pipe respectively with the oil-in of described lower fluid pressure drive device, described upper fluid pressure drive device is connected with hydraulic oil oil return house steward by oil returning branch pipe respectively with the oil return opening of described lower fluid pressure drive device；Described hydraulic power unit includes hydraulic oil container, hydraulic oil pump and three position four-way directional control valve, described hydraulic oil pump is driven by hydraulic oil pump motor, the Median Function of described three position four-way directional control valve is M type, the suction inlet of described hydraulic oil pump is connected with the oil-out of described hydraulic oil container and is provided with oil absorption filter at the oil-out of hydraulic oil container, described hydraulic oil delivery side of pump is connected with the P mouth of described three position four-way directional control valve by check valve, the T mouth of described three position four-way directional control valve is connected with the oil return opening of described hydraulic oil container, the A mouth of described three position four-way directional control valve is connected with described hydraulic oil fuel feeding house steward, the B mouth of described three position four-way directional control valve is connected with described hydraulic oil oil return house steward.
Relative to prior art, the present invention achieves following beneficial effect: first pass through handle and three position four-way directional control valve switches to middle position, start hydraulic oil pump, hydraulic oil in hydraulic oil container enters hydraulic oil pump after oil absorption filter filters, now directly turning on oil return due to the P mouth of three position four-way directional control valve with T mouth, the hydraulic oil of hydraulic oil pump output returns to hydraulic oil container and realizes the No Load Start of hydraulic oil pump motor.When normally working, by handle, three position four-way directional control valve is switched to right working position, hydraulic oil enters hydraulic oil fuel feeding house steward from the A mouth of three position four-way directional control valve, by hydraulic oil, fuel feeding house steward simultaneously enters upper and lower fluid pressure drive device, drive upper and lower drive shaft synchronous axial system, the oil return of upper and lower fluid pressure drive device respectively enters hydraulic oil oil return house steward, enters the B mouth of three position four-way directional control valve from hydraulic oil oil return house steward, then returns to hydraulic oil container from T mouth.After infuser Start-up and Adjustment feeds on a small quantity, by handle, three position four-way directional control valve can be switched to left station, it is achieved rotating backward of upper and lower drive shaft, but material is discharged from the discharging opening of head casing as early as possible.The hydraulic oil of hydraulic oil pump output is assigned to two by hydraulic oil fuel feeding house steward and supplies oil inlet pipe, then respectively enters fluid pressure drive device and lower fluid pressure drive device, then is imported hydraulic oil oil return house stewards by two oil returning branch pipes, is then return to hydraulic oil container；Because the hydraulic fluid pressure of upper and lower fluid pressure drive device input is equal, identical on the output torsion theory of upper and lower drive shaft, by hydraulic system self-balancing pressure, it is ensured that two-axis synchronization even running.
Improvement as the present invention, described hydraulic oil pump motor M1 is controlled by converter VFD, described converter VFD is controlled by control loop, it has been sequentially connected in series start button SB1 between the both positive and negative polarity in described control loop, stop button SB2, the fault breaking-off contact of described converter VFD, the time delay of stall alert time-delay relay disconnects normally closed interlock KT1-1 and the coil of mair motor control relay K 1, the two ends of start button SB1 are parallel with mair motor and control the self-keeping contact K1-1 of relay, second normally open contact K1-2 of mair motor control relay is connected on the enabling signal input of described converter VFD；The level signals outfan of level position transducer LT is connected with the input end of analog signal AI of described converter VFD, and the first signal source input AI1 of the analog signal output AO and comparator relay SSR of described converter VFD is connected；The signal end outfan of speed measurement switch ZS of detection infuser chain pace is connected with the signal input part of velocity transducer SST, and the signal output part of velocity transducer SST is connected with the secondary signal source input AI2 of comparator relay SSR；It is connected to after the coils connected in series of the 3rd normally open contact K1-3 and described stall alert time-delay relay KT1 that the comparison signal fault contact of described comparator relay SSR and mair motor control relay between the both positive and negative polarity in control loop.Press start button SB1, mair motor controls the coil of relay K 1 and obtains electric, mair motor controls self-keeping contact's K1-1 adhesive self-insurance of relay, mair motor controls the second normally open contact K1-2 Guan Bi of relay makes converter VFD start driving hydraulic oil pump motor M1 rotation, and hydraulic power unit drives chain to advance by fluid power system；The rotating speed of the level signals regulation hydraulic oil pump motor M1 that converter detects according to level position transducer LT, and actuating speed signal is supplied to the first signal source input of comparator relay SSR；Speed measurement switch ZS detects the actual pace of infuser chain, and chain actual speed signal is supplied to the secondary signal source input of comparator relay SSR by Negotiation speed transmitter SST；If there is bigger error with chain actual speed signal in actuating speed signal, the then comparison signal fault contact closure of comparator relay SSR, the coil making stall alert time-delay relay KT1 obtains electric, the time delay of stall alert time-delay relay disconnects normally closed interlock KT1-1 time delay and disconnects, mair motor is made to control the coil losing electricity of relay K 1, mair motor controls the self-keeping contact K1-1 of relay, the 3rd normally open contact K1-3 of the second normally open contact K1-2 and mair motor control relay that mair motor controls relay simultaneously switches off, converter VFD quits work and makes ring chain halt.When converter VFD self is out of order, the fault breaking-off contact of converter VFD disconnects and makes hydraulic oil pump motor M1 shut down.
As a further improvement on the present invention, it is connected to after the coils connected in series of the high charge level switch LT-H and high charge level alarm relay KT2 of described level position transducer LT to control between the both positive and negative polarity in loop, between the normally open contact KT2-1 of high charge level alarm relay KT2 and the both positive and negative polarity being connected to control loop after forbidding the coils connected in series of supplied materials relay K 2.When the bed depth in infuser is too high, triggering high charge level switch LT-H Guan Bi, the coil of high charge level alarm relay KT2 obtains electric, the normally open contact KT2-1 Guan Bi of high charge level alarm relay KT2, make to forbid that the coil of supplied materials relay K 2 obtains electric, send stopping charging signal to charging circuit.
As a further improvement on the present invention, being connected to after the coils connected in series of the low stuff level switch LT-L and low material position alarm relay KT3 of described level position transducer LT between the both positive and negative polarity in control loop, the normally closed interlock KT3-1 of low material position alarm relay KT3 is connected between the time delay disconnection normally closed interlock KT1-1 of stall alert time-delay relay and the coil of mair motor control relay K 1.When feeding mechanism break down so that the bed depth in infuser too low time, trigger low stuff level switch LT-L Guan Bi, the coil of low material position alarm relay KT3 obtains electric, the normally closed interlock KT3-1 time delay of low material position alarm relay KT3 disconnects, making mair motor control the coil losing electricity of relay K 1, converter VFD quits work and makes ring chain halt.
As a further improvement on the present invention, super oil pressure alarm switch PT-H and low oil pressure alarm switch PT-L is installed on described hydraulic oil fuel feeding house steward, described super oil pressure alarm switch PT-H is connected to after connecting with hydraulic system fault display lamp H4 between the both positive and negative polarity in control loop, and described low oil pressure alarm switch PT-L is in parallel with described super oil pressure alarm switch PT-H after connecting with the 4th normally open contact K1-4 of mair motor control relay.When hydraulic oil fuel feeding house steward occurs superpressure, super oil pressure alarm switch PT-H Guan Bi makes hydraulic system fault display lamp H4 light；Mair motor control the 4th normally open contact K1-4 of relay be in attracting state i.e. hydraulic oil pump motor M1 be in running order time, if during the hypotony of hydraulic oil fuel feeding house steward, low oil pressure alarm switch PT-L Guan Bi also makes hydraulic system fault display lamp H4 light.
As a further improvement on the present invention, the coil two ends of described stall alert time-delay relay KT1 are parallel with stall alert display lamp H1, the coil two ends of described high charge level alarm relay KT2 are parallel with high charge level alarm lamp H2, described in forbid that the coil two ends of supplied materials relay K 2 are parallel with and forbid supplied materials display lamp H5.If actuating speed signal bigger error occurs with chain actual speed signal, while shutdown, stall alert display lamp H1 lights；When high charge level triggers high charge level switch LT-H Guan Bi, high charge level alarm lamp H2 lights；While forbidding the supplied materials actuating of relay, forbid that supplied materials display lamp H5 lights.
As a further improvement on the present invention, the coil two ends of described low material position alarm relay KT3 are parallel with low material position alarm lamp H3.When low stuff level switch LT-L Guan Bi is triggered in low material position, low material position alarm lamp H3 lights.
As a further improvement on the present invention, described comparator relay SSR includes power module, CPU, communication module, input module and relay driving module；DC24V is converted into DC5V running voltage and is supplied to each module by described power module；The two-way analogue signal that described input module is transmitted by CPU is converted to digital signal, then result of calculation is compared judgement, if the error of two paths of signals value exceedes permissible value, then it is made to drive described comparison signal fault contact action to described relay driving module output low level；Described communication module will be uploaded in host computer in download program to CPU or by the data in CPU and duty；The current signal of the two-way 4 ~ 20mA received is respectively converted into the voltage signal of 0 ~ 5V by described input module, and delivers to the two-way input end of analog signal of CPU, simultaneously works as the effect of signal isolation；The low level control signal that described relay driving module reception CPU sends here is gone forward side by side after row energization amplification, makes described comparison signal fault contact produce closed action.Communication module is by download program to CPU, first signal source input AI1 of input module receives the analogue signal of converter VFD output and i.e. drives analogue signal, the secondary signal source input AI2 of input module receives analogue signal and the chain actual pace analogue signal that velocity transducer SST sends here, the current signal of the two-way 4 ~ 20mA received is respectively converted into the voltage signal of 0 ~ 5V by input module, and delivers to two-way input end of analog signal P1.1 and P1.2 of CPU；Two-way DC0 ~ 5V analogue signal that input module is transmitted by CPU is converted to 10 position digital signals, calculate according to respective range, then result of calculation is compared judgement, if the error of two paths of signals value exceedes permissible value, P0.5 output low level delivers to relay driving module, and relay driving module drives comparison signal fault contact closure；Data in CPU and duty can be uploaded in host computer by communication module.
As a further improvement on the present invention, described power module uses LM7805 regulator block, and described CPU uses STC15F2K60S2 single-chip microcomputer, and described communication module uses MAX485 chip, and described input module uses WS1521 signal isolator.
As a further improvement on the present invention, described infuser housing is by head casing, feed zone, upper extracting stage, lower extracting stage, the section of draining and afterbody casing are mutually spliced, the upper strata of described ring chain is positioned in described feed zone and upper extracting stage, the lower floor of described ring chain be positioned at described lower extracting stage with in the section of draining, the right output port of described feed zone is connected by the two ends up and down of flange with described head casing respectively with the right output port of the described section of draining, the left port of described upper extracting stage is connected by the two ends up and down of flange with described afterbody casing respectively with the left port of described lower extracting stage, the left port of described feed zone is connected by flange with the right output port of described upper extracting stage, the right output port of described lower extracting stage is connected by flange with the left port of the described section of draining；Described lower drive shaft is positioned at the bottom of described head casing, and described upper guider is positioned at the top of described head casing, and described upper drive shaft is positioned at the top of described afterbody casing, and described lower tensioning shaft is positioned at the bottom of described afterbody casing.After ring chain starts, the oil plant embryo charging aperture from buffer bin top enters, it is layered on upper layer material bed under drawing-in device drives, upper strata scraper plate promotes material right-to-left to advance from feed zone upwards extracting stage, the wet dregs of rice are become after oil plant indusium miscella spray, the wet dregs of rice enter afterbody casing from the left end of upper extracting stage, in afterbody casing, material drops down onto on lower layered material bed, lower floor's scraper plate promotes material to sequentially pass through to the right lower extracting stage and the section of draining from the bottom of afterbody casing, finally arrives head casing and discharges from discharging opening.Material is during advancing, and material is constantly sprayed, soaks and extracts by extract, and the oils and fats of leaching falls in the oil bucket of lower section.Huge infuser is divided into several standalone module, it is simple to the prepackage in manufacturing shop and subdivision transport, can connect into entirety to erecting bed easily, greatly reduce on-site installation work amount and construction period.Driving chain in structure to hold tightly in afterbody semicircular track compared with slip with tradition single shaft, in afterbody casing of the present invention, the force-bearing situation of upper drive shaft and lower tensioning shaft is good, and running resistance is the least.Afterbody turns to scraper from top to bottom owing to need not scraper plate, can use light-duty bar shaped scraper plate, need not use heavy big scraper plate.Traditional semicircular track afterbody relies on heavy type scratch board promote material descending and turn to, turn to descending during the wet dregs of rice interrupted immersion and drip washing；The Two axle drive structure of the present invention, material relies on Gravitational sliding, contacts at whereabouts Duan Buyu scraper plate, can proceed to soak and drip washing, substantially increase production capacity and the efficiency of leaching during descending.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings, and accompanying drawing only provides reference and explanation use, is not used to limit the present invention.
Fig. 1 is the structural representation of infuser of the present invention.
Fig. 2 is the axonometric chart of infuser drive system of the present invention.
Fig. 3 is the piping diagram of infuser hydraulic system of the present invention.
Fig. 4 is the axonometric chart of infuser drive system of the present invention.
Fig. 5 is the enlarged drawing of aminoacyl site in Fig. 4.
Fig. 6 is the hydraulic schematic diagram of infuser of the present invention.
Fig. 7 is the electrical schematic diagram of the driving control system of loop type extractor of the present invention.
Fig. 8 is the schematic diagram of comparator relay in Fig. 7.
In figure: 1. buffer bin；1a. charging aperture；2. feed zone；3. go up extracting stage；4. descend extracting stage；5. the section of draining；6. head casing；6a. discharging opening；7. afterbody casing；7a. slide carriage；7b. striker plate；8. upper strata screen；8a. upper strata slide rail；9. lower floor's screen；9a. lower floor slide rail；10. go up drive shaft；The upper fluid pressure drive device of 10a.；10b. upper sprocket wheel；11. times drive shafts；Fluid pressure drive device under 11a.；11b. lower sprocket；Guider on 12.；13. times tensioning shafts；Tightener sprocket under 13a.；14. hydraulic power units；14a. hydraulic oil container；14a1. air filter；14a2. liquid level liquid thermometer；14b. oil absorption filter；14c. manual ball valve；14d. compensator；14e. hydraulic oil pump；M1. hydraulic oil pump motor；14f. check valve；14g. pressure oil filter；14h. three position four-way directional control valve；15. ring chains；15a. outer plate；15b. inner plate；15c. chain roller；15d. wear-resistant slide block；16. scraper plates.
QM1. chopper；FC1. thermorelay；VFD. converter；SB1. start button；SB2. stop button；K1. mair motor controls relay；K2. supplied materials relay is forbidden；KT1. stall alert time-delay relay；KT2. high charge level alarm relay；The lowest material position alarm relay；LT. level position transducer；ZS. speed measurement switch；SST. velocity transducer；SSR. comparator relay；PT-H. oil pressure alarm switch is surpassed；PT-L. low oil pressure alarm switch；H1. stall alert display lamp；H2. high charge level alarm lamp；The lowest material position alarm lamp；H4. hydraulic system fault display lamp；H5. supplied materials display lamp is forbidden.
Detailed description of the invention
As shown in Figures 1 to 5, the drive system of loop type extractor of the present invention includes the ring chain 15 being positioned in infuser housing, multiple scraper plate 16 is uniformly installed on ring chain 15, the lower right corner of ring chain 15 is provided with lower drive shaft 11, in lower drive shaft 11, lower sprocket 11b is installed, the upper right corner of ring chain 15 is provided with guider 12, and upper guider 12 is slide rail or upper tightener sprocket.The upper left corner of ring chain 15 is provided with drive shaft 10, in upper drive shaft 10, upper sprocket wheel 10b is installed, the lower left corner of ring chain 15 is provided with lower tensioning shaft 13, being provided with lower tightener sprocket 13a on lower tensioning shaft 13, ring chain 15 is successively around wrapping on lower sprocket 11b, upper guider 12, upper sprocket wheel 10b and lower tightener sprocket 13a.
Infuser housing is by head casing 6, feed zone 2, upper extracting stage 3, lower extracting stage 4, the section of draining 5 and afterbody casing 7 are mutually spliced, the upper strata of ring chain 15 is positioned in feed zone 2 and upper extracting stage 3, the lower floor of ring chain 15 be positioned at lower extracting stage 4 with in the section of draining 5, the right output port of feed zone 2 is connected with the two ends up and down of head casing 6 by flange respectively with the right output port of the section of draining 5, the left port of upper extracting stage 3 is connected with the two ends up and down of afterbody casing 7 by flange respectively with the left port of lower extracting stage 4, the left port of feed zone 2 is connected by flange with the right output port of upper extracting stage 3, the right output port of lower extracting stage 4 is connected by flange with the left port of the section of draining 5；Lower drive shaft 11 is positioned at the bottom of head casing 6, and upper guider 12 is positioned at the top of head casing 6, and upper drive shaft 10 is positioned at the top of afterbody casing 7, and lower tensioning shaft 13 is positioned at the bottom of afterbody casing 7.
After ring chain 15 starts, the oil plant embryo charging aperture 1a from buffer bin 1 top enters, it is layered on upper layer material bed under drawing-in device drives, upper strata scraper plate promotes material right-to-left to advance from feed zone 2 upwards extracting stage 3, the wet dregs of rice are become after oil plant indusium miscella spray, the wet dregs of rice enter afterbody casing 7 from the left end of upper extracting stage 3, in afterbody casing 7, material drops down onto on lower layered material bed, lower floor's scraper plate promotes material to sequentially pass through to the right lower extracting stage 4 and the section of draining 5 from the bottom of afterbody casing 7, finally arrives head casing 6 and discharges from discharging opening 6a.Material is during advancing, and material is constantly sprayed, soaks and extracts by extract, and the oils and fats of leaching falls in the oil bucket of lower section.
Scraper plate 16 extends along the fabric width direction of infuser, the two ends of scraper plate 16 are respectively fixedly connected with on the outer plate 15a of ring chain 15, outer plate 15a is hinged on the outside of inner plate 15b by chain pin, the middle part of chain pin is respectively installed with chain roller 15c, and the top of scraper plate 16 is respectively fixed with wear-resistant slide block 15d with the corresponding position of chain roller 15c；It is provided with upper strata screen 8 below the upper strata of ring chain 15, upper strata screen 8 is embedded with the upper strata slide rail 8a contacted with chain roller 15c；The lower section of lower floor's scraper plate is provided with lower floor's screen 9, and lower floor's screen 9 is embedded with the lower floor slide rail 9a contacted with wear-resistant slide block 15d.
Lower drive shaft 11 is positioned on the right side of the underface of guider 12, and lower tensioning shaft 13 is positioned on the left of the underface of drive shaft 10；The right side of upper drive shaft 10 is provided with the slide carriage 7a that the left end head with upper strata screen 8 docks mutually, the lower end of slide carriage 7a is tilted to the left, being provided with, between lower end and the lower tensioning shaft 13 of slide carriage 7a, the striker plate 7b being tilted to the right, the lower end of striker plate 7b is arranged right below the blind plate docked with lower floor screen 9 level.
Upper strata chain is rolled on the slide rail 8a of upper strata by chain roller 15c, when chain goes to lower floor, due to scraper plate 16 upper limb down, chain roller 15c cannot be supported on lower floor slide rail 9a, the present invention is fixed with wear-resistant slide block 15d at the top of scraper plate 16, it is supported on lower floor slide rail 9a by wear-resistant slide block 15d, makes to be formed between the top of lower floor's scraper plate and lower floor's screen 9 the least gap；The advance frictional force of chain of the present invention is little, and to screen not damaged, screen is long for service life, and operating cost is low；Achieve contactless between scraper plate 16 and screen, zero abrasion, gap becomes big because of abrasion to avoid screen, too much cake embryo powder is made to enter in miscella, leaching system is produced harm or adverse effect, extend the service life of infuser, it also avoid the running check after screen abrasion, replacing, cause operating cost high.
As shown in Figure 3 and Figure 6, upper drive shaft 10 is driven by upper fluid pressure drive device 10a, lower drive shaft 11 is driven by lower fluid pressure drive device 11a, upper fluid pressure drive device 10a and lower fluid pressure drive device 11a is controlled by same hydraulic power unit 14, the oil-in of upper fluid pressure drive device 10a and lower fluid pressure drive device 11a is respectively by being connected with hydraulic oil fuel feeding house steward for oil inlet pipe, and the oil return opening of upper fluid pressure drive device 10a and lower fluid pressure drive device 11a is connected with hydraulic oil oil return house steward by oil returning branch pipe respectively.
Hydraulic power unit 14 includes hydraulic oil container 14a, hydraulic oil pump and three position four-way directional control valve 14h, hydraulic oil pump is driven by hydraulic oil pump motor, the Median Function of three position four-way directional control valve 14h is M type, the suction inlet of hydraulic oil pump is connected with the oil-out of hydraulic oil container 14a and is provided with oil absorption filter at the oil-out of hydraulic oil container 14a, hydraulic oil delivery side of pump is connected by the P mouth of check valve 14f and three position four-way directional control valve 14h, the T mouth of three position four-way directional control valve is connected with the oil return opening of hydraulic oil container 14a, the A mouth of three position four-way directional control valve is connected with hydraulic oil fuel feeding house steward, the B mouth of three position four-way directional control valve is connected with hydraulic oil oil return house steward.
It is provided with manual ball valve 14c and compensator 14d between suction inlet and the oil-out of hydraulic oil container 14a of hydraulic oil pump；Pressure oil filter 14g it is provided with between the P mouth of check valve 14f and three position four-way directional control valve 14h.
The top of hydraulic oil container 14a is communicated with air by air filter 14a1, and hydraulic oil container 14a sidewall is provided with liquid level liquid thermometer 14a2.
First pass through handle and three position four-way directional control valve 14h is switched to middle position, start hydraulic oil pump, hydraulic oil in hydraulic oil container enters hydraulic oil pump after oil absorption filter 14b filters, now directly turning on oil return due to the P mouth of three position four-way directional control valve with T mouth, the hydraulic oil of hydraulic oil pump output returns to hydraulic oil container and realizes the No Load Start of hydraulic oil pump motor.
When normally working, by handle, three position four-way directional control valve 14h is switched to right working position, hydraulic oil enters hydraulic oil fuel feeding house steward from the A mouth of three position four-way directional control valve, upper and lower fluid pressure drive device 11a is simultaneously entered by hydraulic oil fuel feeding house steward, drive shaft 10, lower drive shaft 11 synchronous axial system in driving, upper fluid pressure drive device 10a, the oil return of lower fluid pressure drive device 11a respectively enter hydraulic oil oil return house steward, enter the B mouth of three position four-way directional control valve from hydraulic oil oil return house steward, then return to hydraulic oil container from T mouth.
After infuser Start-up and Adjustment feeds on a small quantity, by handle, three position four-way directional control valve 14h can be switched to left station, it is achieved upper drive shaft 10, the rotating backward of lower drive shaft 11, but material is discharged from the discharging opening of head casing as early as possible.
As it is shown in fig. 7, hydraulic oil pump motor M1 is controlled by converter VFD, being in series with circuit breaker Q M1 and thermorelay FC1 in major loop, converter VFD is controlled by control loop.Control loop and use 24V unidirectional current, control between the both positive and negative polarity in loop, to be sequentially connected in series start button SB1, stop button SB2, the fault breaking-off contact of converter VFD, the time delay disconnection normally closed interlock KT1-1 of stall alert time-delay relay and mair motor and control the coil of relay K 1, the two ends of start button SB1 are parallel with mair motor and control the self-keeping contact K1-1 of relay, and the second normally open contact K1-2 of mair motor control relay is connected on the enabling signal input of converter VFD.
The level signals outfan of level position transducer LT is connected with the input end of analog signal AI of converter VFD, and the first signal source input AI1 of the analog signal output AO and comparator relay SSR of converter VFD is connected.The signal end outfan of speed measurement switch ZS of detection infuser chain pace is connected with the signal input part of velocity transducer SST, and the signal output part of velocity transducer SST is connected with the secondary signal source input AI2 of comparator relay SSR；It is connected to after the coils connected in series of the 3rd normally open contact K1-3 and stall alert time-delay relay KT1 that the comparison signal fault contact of comparator relay SSR and mair motor control relay between the both positive and negative polarity in control loop.The coil two ends of stall alert time-delay relay KT1 are parallel with stall alert display lamp H1.
Press start button SB1, mair motor controls the coil of relay K 1 and obtains electric, mair motor controls self-keeping contact's K1-1 adhesive self-insurance of relay, mair motor controls the second normally open contact K1-2 Guan Bi of relay makes converter VFD start driving hydraulic oil pump motor M1 rotation, and hydraulic power unit drives chain to advance by fluid power system.
The rotating speed of the level signals regulation hydraulic oil pump motor M1 that converter detects according to level position transducer LT, and actuating speed signal is supplied to the first signal source input of comparator relay SSR.Speed measurement switch ZS detects the actual pace of infuser chain, and chain actual speed signal is supplied to the secondary signal source input of comparator relay SSR by Negotiation speed transmitter SST；If there is bigger error with chain actual speed signal in actuating speed signal, the then comparison signal fault contact closure of comparator relay SSR, stall alert display lamp H1 lights, the coil of stall alert time-delay relay KT1 obtains electric simultaneously, the time delay of stall alert time-delay relay disconnects normally closed interlock KT1-1 time delay and disconnects, mair motor is made to control the coil losing electricity of relay K 1, mair motor controls the self-keeping contact K1-1 of relay, the 3rd normally open contact K1-3 of the second normally open contact K1-2 and mair motor control relay that mair motor controls relay simultaneously switches off, converter VFD quits work and makes ring chain halt.
When converter VFD self is out of order, the fault breaking-off contact of converter VFD disconnects and makes hydraulic oil pump motor M1 shut down.
It is connected to after the coils connected in series of the high charge level switch LT-H and high charge level alarm relay KT2 of level position transducer LT between the both positive and negative polarity in control loop, the coil two ends of high charge level alarm relay KT2 are connected to control after being parallel with the normally open contact KT2-1 of high charge level alarm lamp H2, high charge level alarm relay KT2 and forbidding the coils connected in series of supplied materials relay K 2 between the both positive and negative polarity in loop.Forbid that the coil two ends of supplied materials relay K 2 are parallel with and forbid supplied materials display lamp H5.When the bed depth in infuser is too high, trigger high charge level switch LT-H Guan Bi, high charge level alarm lamp H2 lights, the coil of high charge level alarm relay KT2 obtains electric simultaneously, the normally open contact KT2-1 Guan Bi of high charge level alarm relay KT2, make to forbid that the coil of supplied materials relay K 2 obtains electric, forbid that supplied materials display lamp H5 lights, send stopping charging signal to charging circuit.
Being connected to after the coils connected in series of the low stuff level switch LT-L and low material position alarm relay KT3 of level position transducer LT between the both positive and negative polarity in control loop, the coil two ends of low material position alarm relay KT3 are parallel with low material position alarm lamp H3.The normally closed interlock KT3-1 of low material position alarm relay KT3 is connected between the time delay disconnection normally closed interlock KT1-1 of stall alert time-delay relay and the coil of mair motor control relay K 1.When feeding mechanism break down so that the bed depth in infuser too low time, trigger low stuff level switch LT-L Guan Bi, low material position alarm lamp H3 lights, the coil of the lowest material position alarm relay KT3 obtains electric, the normally closed interlock KT3-1 time delay of low material position alarm relay KT3 disconnects, making mair motor control the coil losing electricity of relay K 1, converter VFD quits work and makes ring chain halt.
Super oil pressure alarm switch PT-H and low oil pressure alarm switch PT-L is installed on hydraulic oil fuel feeding house steward, super oil pressure alarm switch PT-H is connected to after connecting with hydraulic system fault display lamp H4 between the both positive and negative polarity in control loop, and low oil pressure alarm switch PT-L is in parallel with super oil pressure alarm switch PT-H after connecting with the 4th normally open contact K1-4 of mair motor control relay.When hydraulic oil fuel feeding house steward occurs superpressure, super oil pressure alarm switch PT-H Guan Bi makes hydraulic system fault display lamp H4 light；Mair motor control the 4th normally open contact K1-4 of relay be in attracting state i.e. hydraulic oil pump motor M1 be in running order time, if during the hypotony of hydraulic oil fuel feeding house steward, low oil pressure alarm switch PT-L Guan Bi also makes hydraulic system fault display lamp H4 light.
As shown in Figure 8, comparator relay SSR includes power module, CPU, communication module, input module and relay driving module；DC24V is converted into DC5V running voltage and is supplied to each module by power module；The two-way analogue signal that input module is transmitted by CPU is converted to digital signal, then result of calculation is compared judgement, if the error of two paths of signals value exceedes permissible value, then it is made to drive comparison signal fault contact action to relay driving module output low level；Communication module will be uploaded in host computer in download program to CPU or by the data in CPU and duty；The current signal of the two-way 4 ~ 20mA received is respectively converted into the voltage signal of 0 ~ 5V by input module, and delivers to the two-way input end of analog signal of CPU, simultaneously works as the effect of signal isolation；The low level control signal that relay driving module reception CPU sends here is gone forward side by side after row energization amplification, makes comparison signal fault contact produce closed action.
Communication module is by download program to CPU, first signal source input AI1 of input module receives the analogue signal of converter VFD output and i.e. drives analogue signal, the secondary signal source input AI2 of input module receives analogue signal and the chain actual pace analogue signal that velocity transducer SST sends here, the current signal of the two-way 4 ~ 20mA received is respectively converted into the voltage signal of 0 ~ 5V by input module, and delivers to two-way input end of analog signal P1.1 and P1.2 of CPU；Two-way DC0 ~ 5V analogue signal that input module is transmitted by CPU is converted to 10 position digital signals, calculate according to respective range, then result of calculation is compared judgement, if the error of two paths of signals value exceedes permissible value, P0.5 output low level delivers to relay driving module, and relay driving module drives comparison signal fault contact closure；Data in CPU and duty can be uploaded in host computer by communication module.
Power module uses LM7805 regulator block, and CPU uses STC15F2K60S2 single-chip microcomputer, and communication module uses MAX485 chip, and input module uses WS1521 signal isolator.Velocity transducer SST can use KFU8-FSSP-1 type, brand PEPPERL FUCHS P+F.
The foregoing is only the preferable possible embodiments of the present invention, the non-scope of patent protection therefore limiting to the present invention.In addition to the implementation, the present invention can also have other embodiments.The technical scheme that all employing equivalents or equivalent transformation are formed, all falls within the protection domain of application claims.The present invention can pass through or use prior art to realize without the technical characteristic described, and does not repeats them here.
Claims (10)
1. the driving control system of a loop type extractor, including the ring chain detoured in infuser housing, described ring chain is driven jointly by upper drive shaft and lower drive shaft, it is characterized in that: described upper drive shaft is driven by upper fluid pressure drive device, described lower drive shaft is driven by lower fluid pressure drive device, described upper fluid pressure drive device and described lower fluid pressure drive device are controlled by same hydraulic power unit, described upper fluid pressure drive device is connected with hydraulic oil fuel feeding house steward by confession oil inlet pipe respectively with the oil-in of described lower fluid pressure drive device, described upper fluid pressure drive device is connected with hydraulic oil oil return house steward by oil returning branch pipe respectively with the oil return opening of described lower fluid pressure drive device；Described hydraulic power unit includes hydraulic oil container, hydraulic oil pump and three position four-way directional control valve, described hydraulic oil pump is driven by hydraulic oil pump motor, the Median Function of described three position four-way directional control valve is M type, the suction inlet of described hydraulic oil pump is connected with the oil-out of described hydraulic oil container and is provided with oil absorption filter at the oil-out of hydraulic oil container, described hydraulic oil delivery side of pump is connected with the P mouth of described three position four-way directional control valve by check valve, the T mouth of described three position four-way directional control valve is connected with the oil return opening of described hydraulic oil container, the A mouth of described three position four-way directional control valve is connected with described hydraulic oil fuel feeding house steward, the B mouth of described three position four-way directional control valve is connected with described hydraulic oil oil return house steward.
The driving control system of loop type extractor the most according to claim 1, it is characterized in that: described hydraulic oil pump motor (M1) is controlled by converter (VFD), described converter (VFD) is controlled by control loop, start button (SB1) it has been sequentially connected in series between the both positive and negative polarity in described control loop, stop button (SB2), the fault breaking-off contact of described converter (VFD), the time delay of stall alert time-delay relay disconnects normally closed interlock (KT1-1) and the coil of mair motor control relay (K1), the two ends of start button (SB1) are parallel with mair motor and control the self-keeping contact (K1-1) of relay, second normally open contact (K1-2) of mair motor control relay is connected on the enabling signal input of described converter (VFD)；The level signals outfan of level position transducer (LT) is connected with the input end of analog signal (AI) of described converter (VFD), and the analog signal output (AO) of described converter (VFD) is connected with the first signal source input (AI1) of comparator relay (SSR)；The signal end outfan of speed measurement switch (ZS) of detection infuser chain pace is connected with the signal input part of velocity transducer (SST), and the signal output part of velocity transducer (SST) is connected with secondary signal source input (AI2) of comparator relay (SSR)；The comparison signal fault contact of described comparator relay (SSR) and mair motor are connected to after controlling the 3rd normally open contact (K1-3) of relay and the coils connected in series of described stall alert time-delay relay (KT1) between the both positive and negative polarity in control loop.
The driving control system of loop type extractor the most according to claim 2, it is characterized in that: be connected to control after the high charge level of described level position transducer (LT) switch (LT-H) and the coils connected in series of high charge level alarm relay (KT2) between the both positive and negative polarity in loop, between the normally open contact (KT2-1) of high charge level alarm relay (KT2) and the both positive and negative polarity being connected to control loop after forbidding the coils connected in series of supplied materials relay (K2).
The driving control system of loop type extractor the most according to claim 2, it is characterized in that: being connected to after the low stuff level switch (LT-L) of described level position transducer (LT) and the coils connected in series of low material position alarm relay (KT3) control between the both positive and negative polarity in loop, the normally closed interlock (KT3-1) of low material position alarm relay (KT3) is connected between time delay disconnection normally closed interlock (KT1-1) of stall alert time-delay relay and the coil of mair motor control relay (K1).
The driving control system of loop type extractor the most according to claim 2, it is characterized in that: super oil pressure alarm switch (PT-H) and low oil pressure alarm switch (PT-L) are installed on described hydraulic oil fuel feeding house steward, described super oil pressure alarm switch (PT-H) is connected to after connecting with hydraulic system fault display lamp (H4) between the both positive and negative polarity in control loop, and described low oil pressure alarm switch (PT-L) is in parallel with described super oil pressure alarm switch (PT-H) after connecting with the 4th normally open contact (K1-4) of mair motor control relay.
The driving control system of loop type extractor the most according to claim 3, it is characterized in that: the coil two ends of described stall alert time-delay relay (KT1) are parallel with stall alert display lamp (H1), the coil two ends of described high charge level alarm relay (KT2) are parallel with high charge level alarm lamp (H2), described in forbid that the coil two ends of supplied materials relay (K2) are parallel with and forbid supplied materials display lamp (H5).
The driving control system of loop type extractor the most according to claim 4, it is characterised in that: the coil two ends of described low material position alarm relay (KT3) are parallel with low material position alarm lamp (H3).
8. according to the driving control system of the loop type extractor according to any one of claim 2 to 7, it is characterised in that: described comparator relay (SSR) includes power module, CPU, communication module, input module and relay driving module；DC24V is converted into DC5V running voltage and is supplied to each module by described power module；The two-way analogue signal that described input module is transmitted by CPU is converted to digital signal, then result of calculation is compared judgement, if the error of two paths of signals value exceedes permissible value, then it is made to drive described comparison signal fault contact action to described relay driving module output low level；Described communication module will be uploaded in host computer in download program to CPU or by the data in CPU and duty；The current signal of the two-way 4 ~ 20mA received is respectively converted into the voltage signal of 0 ~ 5V by described input module, and delivers to the two-way input end of analog signal of CPU, simultaneously works as the effect of signal isolation；The low level control signal that described relay driving module reception CPU sends here is gone forward side by side after row energization amplification, makes described comparison signal fault contact produce closed action.
The driving control system of loop type extractor the most according to claim 8, it is characterized in that: described power module uses LM7805 regulator block, described CPU uses STC15F2K60S2 single-chip microcomputer, and described communication module uses MAX485 chip, and described input module uses WS1521 signal isolator.
nullThe driving control system of loop type extractor the most according to claim 1，It is characterized in that: described infuser housing is by head casing、Feed zone、Upper extracting stage、Lower extracting stage、The section of draining and afterbody casing are mutually spliced，The upper strata of described ring chain is positioned in described feed zone and upper extracting stage，The lower floor of described ring chain be positioned at described lower extracting stage with in the section of draining，The right output port of described feed zone is connected by the two ends up and down of flange with described head casing respectively with the right output port of the described section of draining，The left port of described upper extracting stage is connected by the two ends up and down of flange with described afterbody casing respectively with the left port of described lower extracting stage，The left port of described feed zone is connected by flange with the right output port of described upper extracting stage，The right output port of described lower extracting stage is connected by flange with the left port of the described section of draining；Described lower drive shaft is positioned at the bottom of described head casing, and described upper guider is positioned at the top of described head casing, and described upper drive shaft is positioned at the top of described afterbody casing, and described lower tensioning shaft is positioned at the bottom of described afterbody casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342609.6A CN105822616B (en) | 2016-05-23 | 2016-05-23 | The driving control system of loop type extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342609.6A CN105822616B (en) | 2016-05-23 | 2016-05-23 | The driving control system of loop type extractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105822616A true CN105822616A (en) | 2016-08-03 |
| CN105822616B CN105822616B (en) | 2017-08-08 |
Family
ID=56530392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610342609.6A Active CN105822616B (en) | 2016-05-23 | 2016-05-23 | The driving control system of loop type extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105822616B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017202268A1 (en) * | 2016-05-23 | 2017-11-30 | 迈安德集团有限公司 | Modular annular extractor |
| CN108561466A (en) * | 2018-05-07 | 2018-09-21 | 宁夏天地奔牛实业集团有限公司 | Suitable for underground coal mine scraper conveyor power part clutch and brake chain tightener |
| CN110201417A (en) * | 2019-06-26 | 2019-09-06 | 晨光生物科技集团股份有限公司 | A kind of infuser and its control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2635675Y (en) * | 2003-09-05 | 2004-08-25 | 武汉友谊食品工程有限公司 | Four-wheel chain drawing device |
| CN202865201U (en) * | 2012-09-27 | 2013-04-10 | 济南中棉生物科技有限公司 | Two-liquid-phase integral type leacher |
| CN203096024U (en) * | 2013-02-04 | 2013-07-31 | 太仓市宝马油脂设备有限公司 | Grease extractor |
| CN104450171A (en) * | 2014-11-28 | 2015-03-25 | 安徽大团结食用油有限公司 | Miniature box-type leacher for special oil |
| CN204725189U (en) * | 2015-06-10 | 2015-10-28 | 吉林省通用机械有限责任公司 | A kind of holding hydraulic pressure system for knuckle Special Fixture for Machining |
| CN204935896U (en) * | 2015-04-29 | 2016-01-06 | 四川建设机械（集团）股份有限公司 | Tank of truck mixer drive hydraulic system principle |
| CN205806052U (en) * | 2016-05-23 | 2016-12-14 | 迈安德集团有限公司 | The driving control system of loop type extractor |
-
2016
- 2016-05-23 CN CN201610342609.6A patent/CN105822616B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2635675Y (en) * | 2003-09-05 | 2004-08-25 | 武汉友谊食品工程有限公司 | Four-wheel chain drawing device |
| CN202865201U (en) * | 2012-09-27 | 2013-04-10 | 济南中棉生物科技有限公司 | Two-liquid-phase integral type leacher |
| CN203096024U (en) * | 2013-02-04 | 2013-07-31 | 太仓市宝马油脂设备有限公司 | Grease extractor |
| CN104450171A (en) * | 2014-11-28 | 2015-03-25 | 安徽大团结食用油有限公司 | Miniature box-type leacher for special oil |
| CN204935896U (en) * | 2015-04-29 | 2016-01-06 | 四川建设机械（集团）股份有限公司 | Tank of truck mixer drive hydraulic system principle |
| CN204725189U (en) * | 2015-06-10 | 2015-10-28 | 吉林省通用机械有限责任公司 | A kind of holding hydraulic pressure system for knuckle Special Fixture for Machining |
| CN205806052U (en) * | 2016-05-23 | 2016-12-14 | 迈安德集团有限公司 | The driving control system of loop type extractor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017202268A1 (en) * | 2016-05-23 | 2017-11-30 | 迈安德集团有限公司 | Modular annular extractor |
| CN108561466A (en) * | 2018-05-07 | 2018-09-21 | 宁夏天地奔牛实业集团有限公司 | Suitable for underground coal mine scraper conveyor power part clutch and brake chain tightener |
| CN108561466B (en) * | 2018-05-07 | 2024-01-26 | 宁夏天地奔牛实业集团有限公司 | Clutch and brake chain tightening device applicable to power part of coal mine underground scraper conveyor |
| CN110201417A (en) * | 2019-06-26 | 2019-09-06 | 晨光生物科技集团股份有限公司 | A kind of infuser and its control method |
| CN110201417B (en) * | 2019-06-26 | 2021-05-07 | 晨光生物科技集团股份有限公司 | Leacher and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105822616B (en) | 2017-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105886118A (en) | Extraction technology for loop type extractor | |
| CN201331244Y (en) | Full-automatic continuous vacuum dryer | |
| CN105820874A (en) | Modular loop type extractor | |
| CN105822616A (en) | Driving control system of loop type extractor | |
| CN205806052U (en) | The driving control system of loop type extractor | |
| CN108423454A (en) | Powder system in a kind of coal dust jumbo bag unpacking | |
| CN204624585U (en) | Plate chain machine | |
| CN201485011U (en) | Non-contact type rotary shaft material flow detector | |
| CN202044899U (en) | Smoke filtering device | |
| CN206447146U (en) | A kind of Novel belt conveyor | |
| CN205779020U (en) | Prevent from discharging water the coal feeder of coal | |
| CN205328071U (en) | Multichannel formula conveying system's auto -change over device and multichannel formula conveying system | |
| CN202013284U (en) | Automatic sampling device for bucket elevator | |
| CN104743315B (en) | Fully-automatic intelligent garbage transferring system | |
| CN101377002B (en) | Waterlogging roller machine capable of turning in two directions | |
| CN206421217U (en) | A kind of two-stage material-pushing centrifuge control device based on PID | |
| CN205471468U (en) | Switching -over device and commodity circulation conveying system | |
| CN201129187Y (en) | Automatic spraying device | |
| CN103775087A (en) | Roll-cutting type continuous mining machine | |
| CN204369016U (en) | Self-cleaning bucket elevator | |
| CN204358073U (en) | Automatic chain oil lubricating system | |
| CN207827222U (en) | A kind of powder conveying apparatus for producing latex powder | |
| CN201338845Y (en) | Consumption-reducing and energy-saving device for belt conveyor | |
| CN203190439U (en) | Standby transmission device for bagasse provided for boiler | |
| CN204985117U (en) | Hydraulic pressure oil pumping lifting devices actuating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |