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CN109011773A - A kind of dynamic circulation peony seed oil filtering device - Google Patents

A kind of dynamic circulation peony seed oil filtering device Download PDF

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Publication number
CN109011773A
CN109011773A CN201811018533.7A CN201811018533A CN109011773A CN 109011773 A CN109011773 A CN 109011773A CN 201811018533 A CN201811018533 A CN 201811018533A CN 109011773 A CN109011773 A CN 109011773A
Authority
CN
China
Prior art keywords
oil
collecting box
cylinder
cloth jar
peony seed
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.)
Pending
Application number
CN201811018533.7A
Other languages
Chinese (zh)
Inventor
王小兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Junwen Ecological Agriculture Technology Co Ltd
Original Assignee
Sichuan Junwen Ecological Agriculture Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sichuan Junwen Ecological Agriculture Technology Co Ltd filed Critical Sichuan Junwen Ecological Agriculture Technology Co Ltd
Priority to CN201811018533.7A priority Critical patent/CN109011773A/en
Publication of CN109011773A publication Critical patent/CN109011773A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/90Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11BPRODUCING, 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
    • C11B3/00Refining fats or fatty oils
    • C11B3/008Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Fats And Perfumes (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention discloses a kind of dynamic circulation peony seed oil filtering devices, including collecting box, filtering cloth jar, fixed plate, oil rig and pressurized cylinder, the collecting box is arranged below filtering cloth jar, filtering cloth jar bottom is provided with conduit, conduit bottom is connect with collecting box, the collecting box inside bottom is provided with slope, collecting box bottom right is provided with flowline, valve is provided on flowline, the collecting box lower right-hand side is provided with oil pick-up tube, it is fixedly connected at the top of the oil rig bottom and oil pick-up tube, the oil rig left end is provided with injection pipe, injection pipe left end is plugged in filtering cloth jar, several oilholes are provided in fixed plate, pressure inlet right end is plugged in filtering cloth jar, it is connect on the left of pressurized cylinder with air pump.Be provided with oil rig in equipment, oil rig is moved left and right in cylinder by driven by rotary disc piston, to realize oil pumping and oil spout function, opposite oil pump is pumped, avoid can peony seed oil be contaminated, to improve the quality of peony seed oil.

Description

A kind of dynamic circulation peony seed oil filtering device
Technical field
The present invention relates to a kind of filtering device, specifically a kind of dynamic circulation peony seed oil filtering device.
Background technique
Peony seed oil, also known as peony oil are the woody nut plant oils extracted by peony seeds, are that China is distinctive, because of it It is full of nutrition and unique, and have medical care effect, it is the treasure in vegetable oil by relevant expert is known as " best oil in the world, " Product, and the health care edible oil and fat that China is exclusive.
It after peony seed oil is squeezed out, needs to be filtered it, common circulation filtering device drives peony seeds by oil pump Oil realizes circulatory function, and peony seed oil is when by oil pump, vulnerable to pollution, influences the oil of peony seed oil, and the rate of filtration compared with It is low, the dregs of fat are easily accumulated on filter plate to result in blockage.Therefore, it is net to provide a kind of dynamic circulation peony seeds oily filter by those skilled in the art Device, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of the present invention is to provide a kind of dynamic circulation peony seed oil filtering devices, to solve in above-mentioned background technique The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of dynamic circulation peony seed oil filtering device, including collecting box, filtering cloth jar, fixed plate, oil rig and pressurization Cylinder, the collecting box are arranged below filtering cloth jar, and filtering cloth jar bottom is provided with conduit, and conduit bottom is connect with collecting box, described Collecting box inside bottom is provided with slope, and collecting box bottom right is provided with flowline, and valve, the receipts are provided on flowline Header lower right-hand side is provided with oil pick-up tube, is fixedly connected at the top of the oil rig bottom and oil pick-up tube, the oil rig is left End is provided with injection pipe, and injection pipe left end is plugged in filtering cloth jar, and injection pipe left end is provided with spray head, setting in the filtering cloth jar There is fixed plate and be fixedly connected, several oilholes are provided in fixed plate, are provided with the first filter plate, the filtering above fixed plate It is provided with transmission device above cylinder, is provided with shaft below transmission device, shaft bottom right is provided with scraper plate, the pressurized cylinder Setting is provided with pressure inlet above filtering cloth jar upper left side, pressurized cylinder right end, and pressure inlet right end is plugged in filtering cloth jar, pressurized cylinder Left side is connect with air pump.
As a further solution of the present invention: the oil rig includes oil pumping cylinder, cylinder, piston and turntable, the pumping Oil cylinder lower-left both ends are connect with injection pipe and oil pick-up tube respectively, and second one-way valve and are respectively arranged in injection pipe and oil pick-up tube One check valve, the cylinder setting is on the right side of oil pumping cylinder and is fixedly connected, and piston is arranged in cylinder, and piston right end, which is provided with, to be pushed away It bar and is fixedly connected, push rod right end is connect with drive rod rotation, and turntable rear end is provided with fixing axle and is fixedly connected, and drive rod is right End cap is located in fixing axle, and transmission shaft is provided in the middle part of the turntable, is connect on rear side of transmission shaft with the second motor.
As the present invention further scheme: the transmission device inner right side is provided with motor, below motor with turn Platform connection is provided with tooth block above the turntable left end, engage connection on the left of upper tooth block with gear, gear bottom and turn Axis is fixedly connected.
As further scheme of the invention: being provided with lower tooth block below the turntable right end, be arranged in shaft outer Axis, outer shaft top are provided with lower gear, and lower gear engages connection with lower tooth block, and outer shaft bottom right is provided with the second scraper plate.
As further scheme of the invention: the pressurized cylinder is internally provided with the second filter plate, sets in collecting box upper wall Several air holes are equipped with, are provided with oil inlet pipe on the left of collecting box upper wall.
Compared with prior art, the beneficial effects of the present invention are:
1, oil rig is provided in equipment, oil rig is moved left and right in cylinder by driven by rotary disc piston, thus Realize oil pumping and oil spout function, opposite oil pump is pumped, avoid can peony seed oil be contaminated, to improve the matter of peony seed oil Amount.
2, in filter process, the dregs of fat of scraper plate and the intermittent cleaning filter plate surface of the second scraper plate energy prevent the dregs of fat from blocking Filter plate influences the rate of filtration.
3, air pump can be by pressure inlet to being pressurized in filtering cloth jar, to accelerate the rate of filtration, and after filtering, air pump Peony seed oil remaining on first filter plate can be blown off, avoid wasting, the second filter plate is provided in pressurized cylinder, may filter that Dust in air.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of dynamic circulation peony seed oil filtering device.
Fig. 2 is the structural schematic diagram of oil rig in dynamic circulation peony seed oil filtering device.
Fig. 3 is the structural schematic diagram of transmission device in dynamic circulation peony seed oil filtering device.
Fig. 4 is the top view of dynamic circulation peony seed oil filtering device intermediate station.
In figure: 1- collecting box, the slope 2-, 3- flowline, 4- valve, 5- oil pick-up tube, 6- conduit, 7- filtering cloth jar, 8- are fixed Plate, 9- oilhole, the first filter plate of 10-, 11- scraper plate, 12- shaft, 13- oil rig, 14- injection pipe, 15- spray head, 16- transmission dress It sets, 17- pressure inlet, 18- pressurized cylinder, the second filter plate of 19-, 20- air pump, the first check valve of 131-, 132- second one-way valve, 133- Pump cylinder, 134- cylinder, 135- piston, 136- push rod, 137- drive rod, 138- turntable, 139- transmission shaft, 161- motor, The upper tooth block of 162-, 163- lower tooth block, 164- gear, 165- lower gear, 166- outer shaft, the second scraper plate of 167-, 168- turntable.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~4, in the embodiment of the present invention, a kind of dynamic circulation peony seed oil filtering device, including collecting box 1, Filtering cloth jar 7, fixed plate 8, oil rig 13 and pressurized cylinder 18, the collecting box 1 are arranged below filtering cloth jar 7,7 bottom of filtering cloth jar It is provided with conduit 6,6 bottom of conduit is connect with collecting box 1, and 1 inside bottom of collecting box is provided with slope 2,1 bottom of collecting box Right side is provided with flowline 3, valve 4 is provided on flowline 3,4 lower right-hand side of collecting box is provided with oil pick-up tube 5, described It is fixedly connected at the top of 13 bottom of oil rig and oil pick-up tube 5,13 left end of oil rig is provided with injection pipe 14, injection pipe 14 Left end is plugged in filtering cloth jar 7, and 14 left end of injection pipe is provided with spray head 15, and fixed plate 8 is provided in the filtering cloth jar 7 and is fixed It connects, is provided with several oilholes 9 in fixed plate 8, the first filter plate 10 is provided with above fixed plate 8, is set above the filtering cloth jar 7 It is equipped with transmission device 16, shaft 12 is provided with below transmission device 16,12 bottom right of shaft is provided with scraper plate 11, the pressurization The setting of cylinder 18 is provided with pressure inlet 17 above 7 upper left side of filtering cloth jar, 18 right end of pressurized cylinder, and 17 right end of pressure inlet is plugged in filtering In cylinder 7,18 left side of pressurized cylinder is connect with air pump 20.
The oil rig 13 includes oil pumping cylinder 133, cylinder 134, piston 135 and turntable 138, and the oil pumping cylinder 133 is left Lower both ends are connect with injection pipe 14 and oil pick-up tube 5 respectively, are respectively arranged with second one-way valve 132 in injection pipe 14 and oil pick-up tube 5 With the first check valve 131, the setting of cylinder 134 is on 133 right side of oil pumping cylinder and is fixedly connected, and piston 135 is arranged in cylinder 134 Interior, 135 right end of piston is provided with push rod 136 and is fixedly connected, and 136 right end of push rod and drive rod 137 are rotatablely connected, turntable 139 Rear end is provided with fixing axle and is fixedly connected, and 137 right end of drive rod is set in fixing axle, is provided in the middle part of the turntable 138 Transmission shaft 139,139 rear side of transmission shaft are connect with the second motor.
16 inner right side of transmission device is provided with motor 161, and 161 lower section of motor is connect with turntable 168, the turntable Be provided with tooth block 162 above 168 left ends, connection engage in upper 162 left side of tooth block with gear 164,164 bottom of gear and turn Axis 12 is fixedly connected.
It is provided with lower tooth block 163 below 168 right end of turntable, outer shaft 166,166 top of outer shaft are arranged in shaft 12 It is provided with lower gear 165, lower gear 165 engages connection with lower tooth block 163, and 166 bottom right of outer shaft is provided with the second scraper plate 167。
The pressurized cylinder 18 is internally provided with the second filter plate 19, several air holes are provided in 1 upper wall of collecting box, collects Oil inlet pipe is provided on the left of 1 upper wall of case.
The working principle of the invention is:
The present invention relates to a kind of dynamic circulation peony seed oil filtering device, in use process, first by unfiltered peony seeds Oil is out of oil inlet pipe input collecting box 1, and valve 4 remains turned-off, subsequent start-up oil rig 13, and the second motor drives turntable 138 Rotation, to be moved left and right by transmission shaft 137 with piston 135 and push rod 136, due to equal in oil pick-up tube 5 and injection pipe 14 It is provided with check valve, when piston 135 moves to the right, oil pick-up tube 5 is pumped out of collecting box 1, when piston 135 is moved to the left, is taken out Peony seed oil is sprayed from injection pipe 14 in oil cylinder 133, and into filtering cloth jar 7, peony seed oil flows back to receipts after passing through the first filter plate 10 Header 1, during the filtration process, motor 161 drives turntable 168, upper tooth block 162 and lower tooth block 163 to rotate in transmission device 16, from And gear 164 and the intermittent rotation of lower gear 165 are driven, so that scraper plate 11 and the second scraper plate 167 be made to strike off the first filter plate 10 The filter residue on surface prevents from resulting in blockage to the first filter plate 10, accelerates the rate of filtration;Air pump 20 passes through pressure inlet 17 in filter process Gas is conveyed into filtering cloth jar 7, the air pressure of 10 top of the first filter plate increases, and peony seed oil enters quickly through the first filter plate 10 to be received Header 1 after filtering, opens valve 4, and peony seed oil flowline 3 flows out.
Compared with prior art, the beneficial effects of the present invention are:
The present invention designs advantages of simple in structure, uses easy to operate, and practicability is very high, setting in equipment There is oil rig, oil rig is moved left and right in cylinder by driven by rotary disc piston, to realize oil pumping and oil spout function, phase Pump to oil pump, avoid can peony seed oil be contaminated, to improve the quality of peony seed oil, in filter process, scraper plate and the The dregs of fat on the intermittent cleaning filter plate surface of two scraper plates energy prevent dregs of fat blocking filter plate from influencing the rate of filtration, and air pump can pass through increasing Pressure pipe in filtering cloth jar to being pressurized, to accelerate the rate of filtration, and after filtering, air pump can will be remaining male on the first filter plate Red seed oil is blown off, and avoids wasting, and the second filter plate is provided in pressurized cylinder, may filter that the dust in air.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (5)

1. a kind of dynamic circulation peony seed oil filtering device, including collecting box (1), filtering cloth jar (7), fixed plate (8), oil rig (13) and pressurized cylinder (18), which is characterized in that below filtering cloth jar (7), filtering cloth jar (7) bottom is set for collecting box (1) setting It is equipped with conduit (6), conduit (6) bottom is connect with collecting box (1), and collecting box (1) inside bottom is provided with slope (2), is received Header (1) bottom right is provided with flowline (3), is provided on flowline (3) valve (4), collecting box (4) lower right-hand side It is provided with oil pick-up tube (5), is fixedly connected at the top of oil rig (13) bottom and oil pick-up tube (5), the oil rig (13) Left end is provided with injection pipe (14), and injection pipe (14) left end is plugged in filtering cloth jar (7), and injection pipe (14) left end is provided with spray head (15), it is provided with fixed plate (8) in the filtering cloth jar (7) and is fixedly connected, be provided with several oilholes (9) in fixed plate (8), It is provided with the first filter plate (10) above fixed plate (8), is provided with transmission device (16), transmission device above the filtering cloth jar (7) (16) lower section is provided with shaft (12), and shaft (12) bottom right is provided with scraper plate (11), and the pressurized cylinder (18) is arranged in mistake Filtering jar (7) upper left side, pressurized cylinder (18) right end top are provided with pressure inlet (17), and pressure inlet (17) right end is plugged in filtering cloth jar (7) it in, is connect on the left of pressurized cylinder (18) with air pump (20).
2. dynamic circulation peony seed oil filtering device according to claim 1, which is characterized in that the oil rig (13) Including oil pumping cylinder (133), cylinder (134), piston (135) and turntable (138), oil pumping cylinder (133) the lower-left both ends respectively with Injection pipe (14) and oil pick-up tube (5) connection, injection pipe (14) and oil pick-up tube (5) be interior be respectively arranged with second one-way valve (132) and First check valve (131), cylinder (134) setting is on the right side of oil pumping cylinder (133) and is fixedly connected, and piston (135) setting exists In cylinder (134), piston (135) right end is provided with push rod (136) and is fixedly connected, push rod (136) right end and drive rod (137) Rotation connection, turntable (139) rear end are provided with fixing axle and are fixedly connected, and drive rod (137) right end is set in fixing axle, institute It states and is provided with transmission shaft (139) in the middle part of turntable (138), is connect on rear side of transmission shaft (139) with the second motor.
3. dynamic circulation peony seed oil filtering device according to claim 1, which is characterized in that the transmission device (16) Inner right side is provided with motor (161), is connect below motor (161) with turntable (168), is set above turntable (168) left end It is equipped with tooth block (162), engages connection, gear (164) bottom and shaft with gear (164) on the left of upper tooth block (162) (12) it is fixedly connected.
4. dynamic circulation peony seed oil filtering device according to claim 3, which is characterized in that the turntable (168) is right End lower section is provided with lower tooth block (163), is arranged in shaft (12) outer shaft (166), outer shaft (166) top is provided with lower gear (165), lower gear (165) engages connection with lower tooth block (163), and outer shaft (166) bottom right is provided with the second scraper plate (167).
5. dynamic circulation peony seed oil filtering device according to claim 1, which is characterized in that in the pressurized cylinder (18) Portion is provided with the second filter plate (19), several air holes, setting on the left of collecting box (1) upper wall are provided in collecting box (1) upper wall There is oil inlet pipe.
CN201811018533.7A 2018-09-02 2018-09-02 A kind of dynamic circulation peony seed oil filtering device Pending CN109011773A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811018533.7A CN109011773A (en) 2018-09-02 2018-09-02 A kind of dynamic circulation peony seed oil filtering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811018533.7A CN109011773A (en) 2018-09-02 2018-09-02 A kind of dynamic circulation peony seed oil filtering device

Publications (1)

Publication Number Publication Date
CN109011773A true CN109011773A (en) 2018-12-18

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Family Applications (1)

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CN201811018533.7A Pending CN109011773A (en) 2018-09-02 2018-09-02 A kind of dynamic circulation peony seed oil filtering device

Country Status (1)

Country Link
CN (1) CN109011773A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110280054A (en) * 2019-06-28 2019-09-27 盐城恒清河湖整治有限公司 A kind of construction site domestic sewage treatment device
CN110384967A (en) * 2019-07-22 2019-10-29 新昌县管富机械有限公司 A kind of polymeric membrane sewage residue separator for kitchen use
CN110777000A (en) * 2019-11-19 2020-02-11 湖南神农国油生态农业发展有限公司 Tea-seed oil filter equipment
CN113102988A (en) * 2021-05-24 2021-07-13 瑞安市中力门窗五金有限公司 Automatic screw equipment of beating of door and window hasp
CN113828142A (en) * 2021-11-23 2021-12-24 东营联合石化有限责任公司 High-flow-rate low-gas-separation desulfurization tower
CN114149912A (en) * 2021-12-27 2022-03-08 河南华泰粮油机械股份有限公司 System and method for continuously extracting tea seed oil

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110280054A (en) * 2019-06-28 2019-09-27 盐城恒清河湖整治有限公司 A kind of construction site domestic sewage treatment device
CN110384967A (en) * 2019-07-22 2019-10-29 新昌县管富机械有限公司 A kind of polymeric membrane sewage residue separator for kitchen use
CN110777000A (en) * 2019-11-19 2020-02-11 湖南神农国油生态农业发展有限公司 Tea-seed oil filter equipment
CN113102988A (en) * 2021-05-24 2021-07-13 瑞安市中力门窗五金有限公司 Automatic screw equipment of beating of door and window hasp
CN113828142A (en) * 2021-11-23 2021-12-24 东营联合石化有限责任公司 High-flow-rate low-gas-separation desulfurization tower
CN113828142B (en) * 2021-11-23 2022-03-11 东营联合石化有限责任公司 High-flow-rate low-gas-separation desulfurization tower
CN114149912A (en) * 2021-12-27 2022-03-08 河南华泰粮油机械股份有限公司 System and method for continuously extracting tea seed oil

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Application publication date: 20181218