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CN112128096A - High-pressure pump body structure for marine oil stain collection and treatment - Google Patents

High-pressure pump body structure for marine oil stain collection and treatment Download PDF

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Publication number
CN112128096A
CN112128096A CN202011018579.6A CN202011018579A CN112128096A CN 112128096 A CN112128096 A CN 112128096A CN 202011018579 A CN202011018579 A CN 202011018579A CN 112128096 A CN112128096 A CN 112128096A
Authority
CN
China
Prior art keywords
pressure pump
body structure
oil
groups
pump body
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
CN202011018579.6A
Other languages
Chinese (zh)
Inventor
杨华
薛兴旺
孔维华
杨建平
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.)
Bestway Marine & Energy Technology Co ltd
Taizhou City Jinhaiyun Vessel Facility Co ltd
Original Assignee
Bestway Marine & Energy Technology Co ltd
Taizhou City Jinhaiyun Vessel Facility 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 Bestway Marine & Energy Technology Co ltd, Taizhou City Jinhaiyun Vessel Facility Co ltd filed Critical Bestway Marine & Energy Technology Co ltd
Priority to CN202011018579.6A priority Critical patent/CN112128096A/en
Publication of CN112128096A publication Critical patent/CN112128096A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C3/00Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B15/00Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B15/00Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10Devices for removing the material from the surface
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment
    • Y02A20/204Keeping clear the surface of open water from oil spills

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rotary Pumps (AREA)

Abstract

The invention relates to the technical field of marine oil stain treatment, in particular to a high-pressure pump body structure for marine oil stain collection treatment, which prevents a high-pressure pump from influencing normal work due to accumulation and blockage of impurities after long-time use, increases the use effect of the high-pressure pump and improves the practicability; including the high-pressure pump lower box, case lid on the high-pressure pump, advance oil pipe, go out oil pipe, the apparatus further comprises a rotating shaft, first bearing, the turbine, the connection key, the second bearing, the worm, the shaft coupling, motor and motor base, the incasement portion of high-pressure pump is provided with the cavity, the bottom of case lid is connected with the top of high-pressure pump lower box on the high-pressure pump, the bottom of advancing oil pipe is connected and communicates with the cavity with the top of case lid on the high-pressure pump, the bottom of going out oil pipe is connected and communicates with the cavity with the top of case lid on the high-pressure pump, two sets of first bearings are installed on the high-pressure pump lower box, the pivot is connected through two sets of first bearings and high-pressure pump lower box.

Description

High-pressure pump body structure for marine oil stain collection and treatment
Technical Field
The invention relates to the technical field of marine oil stain treatment, in particular to a high-pressure pump body structure for marine oil stain collection treatment.
Background
As a marine large country with a continental coastline of 18000 kilometers and a sea area of nearly 300 thousand square kilometers, the task of protecting marine ecological environment and resources is very difficult. The proportion of petroleum in China which passes through offshore production and offshore import is huge, and petroleum production and ship oil spill accidents enter a high-incidence period, which poses serious threats to the marine environment; the high-pressure pump body structure that is used for marine oil dirt collection to handle that has now finds in using, and the high-pressure pump causes the jam to the high-pressure pump easily because of containing a large amount of impurity in the greasy dirt of collection, influences the normal use of high-pressure pump.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-pressure pump body structure for collecting and treating marine oil stains, which prevents the high-pressure pump from influencing normal work due to accumulation and blockage of impurities after long-time use, increases the use effect of the high-pressure pump and improves the practicability.
The invention relates to a high-pressure pump body structure for collecting and treating marine oil stains, which comprises a high-pressure pump lower box, a high-pressure pump upper box cover, an oil inlet pipe, an oil outlet pipe, a rotating shaft, a first bearing, a turbine, a connecting key, a second bearing, a worm, a coupler, a motor and a motor base, wherein a cavity is arranged in the high-pressure pump lower box, the bottom end of the high-pressure pump upper box cover is connected with the top end of the high-pressure pump lower box, the bottom end of the oil inlet pipe is connected with the top end of the high-pressure pump upper box cover and communicated with the cavity, the bottom end of the oil outlet pipe is connected with the top end of the high-pressure pump upper box cover and communicated with the cavity, two groups of first bearings are arranged on the high-pressure pump lower box, the rotating shaft is rotatably connected with the high-pressure pump lower box through the two groups of first bearings, the turbine is arranged on the rotating shaft and positioned in the cavity of the high, the worm is located inside the cavity of the lower box of the high-pressure pump, the worm is meshed with the worm wheel and connected with the output end of the rotating shaft, the input end of the coupler is connected with the output end of the motor, and the bottom ends of the lower box of the high-pressure pump and the motor are connected with the top end of the motor base.
The high-pressure pump body structure for collecting and treating the marine oil stains further comprises a sealing gasket, a bolt and a nut, wherein the sealing gasket is arranged between the lower tank of the high-pressure pump and the upper tank cover of the high-pressure pump, the bolt is arranged on the upper tank cover of the high-pressure pump and connected with the lower tank of the high-pressure pump, and the nut is screwed on the bolt.
The high-pressure pump body structure for collecting and treating the marine oil stains further comprises an oil seal, and the oil seal is installed on the rotating shaft.
The high-pressure pump body structure for collecting and treating the marine oil stains further comprises two groups of flanges, and the two groups of flanges are respectively arranged on the oil inlet pipe and the oil outlet pipe.
The high-pressure pump body structure for collecting and treating the marine oil stains further comprises two groups of blank caps, and the two groups of blank caps are respectively arranged on the two groups of second bearings.
The high-pressure pump body structure for collecting and treating the marine oil stains further comprises an elastic washer, and the elastic washer is installed on the bolt and connected with the nut.
The high-pressure pump body structure for collecting and treating the marine oil stains further comprises a plurality of groups of fixing bolts, and the plurality of groups of fixing bolts are arranged on the lower box of the high-pressure pump and connected with the motor base.
The invention relates to a high-pressure pump body structure for collecting and treating marine oil stains, which further comprises a filter screen arranged at the input end of the oil inlet pipe.
Compared with the prior art, the invention has the beneficial effects that: the motor is opened, the motor drives the pivot rotation through the shaft coupling, the pivot drives the worm rotation through the turbine, advance oil pipe and inhale the oil in the sump oil tank in the high-pressure pump lower box cavity, rotatory worm drives oil and carries, oil discharges to the oil storage bag in through going out oil pipe, the worm has crushing effect to the impurity in the oil, prevent that the high-pressure pump from using for a long time because of impurity piles up the jam, influence normal work, increase the result of use of high-pressure pump, improve the practicality.
Drawings
FIG. 1 is a schematic view of the internal structure of a high pressure pump of the present invention;
FIG. 2 is a schematic diagram of a front view configuration of the present invention;
FIG. 3 is a partial enlarged structural view of A of the present invention;
in the drawings, the reference numbers: 1. a high-pressure pump lower tank; 2. an upper tank cover of the high-pressure pump; 3. an oil inlet pipe; 4. an oil outlet pipe; 5. a rotating shaft; 6. a first bearing; 7. a turbine; 8. a connecting bond; 9. a second bearing; 10. a worm; 11. a coupling; 12. a motor; 13. a motor base; 14. a gasket; 15. a bolt; 16. a nut; 17. oil sealing; 18. a flange; 19. covering the blank with a cover; 20. an elastic washer; 21. fixing the bolt; 22. and (4) a filter screen.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, the high-pressure pump body structure for collecting and treating marine oil stains of the invention comprises a high-pressure pump lower box 1, a high-pressure pump upper box cover 2, an oil inlet pipe 3, an oil outlet pipe 4, a rotating shaft 5, a first bearing 6, a turbine 7, a connecting key 8, a second bearing 9, a worm 10, a coupler 11, a motor 12 and a motor base 13, wherein a cavity is arranged inside the high-pressure pump lower box 1, the bottom end of the high-pressure pump upper box cover 2 is connected with the top end of the high-pressure pump lower box 1, the bottom end of the oil inlet pipe 3 is connected with the top end of the high-pressure pump upper box cover 2 and communicated with the cavity, the bottom end of the oil outlet pipe 4 is connected with the top end of the high-pressure pump upper box cover 2 and communicated with the cavity, two groups of the first bearings 6 are arranged on the high-pressure pump lower box 1, the rotating shaft 5 is rotatably connected with the high-pressure, the connecting key 8 is arranged on the turbine 7 and connected with the rotating shaft 5, the two groups of second bearings 9 are arranged on the high-pressure pump lower box 1, the worm 10 is rotatably connected with the high-pressure pump lower box 1 through the two groups of second bearings 9, the worm 10 is positioned in the cavity of the high-pressure pump lower box 1, the worm 10 is meshed with the turbine 7, the output end of the coupling 11 is connected with the output end of the rotating shaft 5, the input end of the coupling 11 is connected with the output end of the motor 12, and the bottom ends of the high-pressure pump lower box 1 and the motor 12 are connected with the top end of the motor; open motor 12, motor 12 passes through shaft coupling 11 and drives 5 rotations of pivot, it is rotatory that pivot 5 drives worm 10 through turbine 7, it inhales the oil in the sump oil case into 1 chamber of high-pressure pump nowel to advance oil pipe 3, rotatory worm 10 drives oil and carries, oil is in 4 discharges to the oil storage bag through play oil pipe, worm 10 has crushing effect to the impurity in the oil, prevent that the high-pressure pump from using for a long time because of impurity piles up the jam, influence normal work, increase the result of use of high-pressure pump, the high practicality is improved.
The high-pressure pump body structure for collecting and treating the marine oil stains further comprises a sealing gasket 14, a bolt 15 and a nut 16, wherein the sealing gasket 14 is installed between the lower tank 1 of the high-pressure pump and the upper tank cover 2 of the high-pressure pump, the bolt 15 is installed on the upper tank cover 2 of the high-pressure pump and connected with the lower tank 1 of the high-pressure pump, and the nut 16 is screwed on the bolt 15; through the above arrangement, the sealing gasket 14 increases the connection effect between the upper tank cover 2 of the high-pressure pump lower tank 1 and the high-pressure pump, prevents oil leakage, is provided with the bolt 15 and the nut 16, facilitates the installation and the disassembly of the upper tank cover 2 of the high-pressure pump, is convenient for overhaul equipment in the cavity of the high-pressure pump lower tank 1, increases the convenience and improves the practicability.
The high-pressure pump body structure for marine oil stain collection and treatment further comprises an oil seal 17, wherein the oil seal 17 is arranged on the rotating shaft 5; through the arrangement, the airtightness in the cavity of the lower box 1 of the high-pressure pump is improved, oil leakage is prevented, and the practicability is improved.
The high-pressure pump body structure for collecting and treating the marine oil stains further comprises two groups of flanges 18, wherein the two groups of flanges 18 are respectively arranged on the oil inlet pipe 3 and the oil outlet pipe 4; through the arrangement, the flange 18 can be conveniently connected with other pipelines, convenience is improved, and practicability is improved.
The high-pressure pump body structure for collecting and treating the marine oil stains further comprises two groups of blank caps 19, wherein the two groups of blank caps 19 are respectively arranged on the two groups of second bearings 9; through the arrangement, the airtightness of the cavity is improved, oil leakage is prevented, and the practicability is improved.
The high-pressure pump body structure for collecting and treating the marine oil stains further comprises an elastic washer 20, wherein the elastic washer 20 is installed on the bolt 15 and connected with the nut 16; through above setting, prevent that nut 16 from producing not hard up, avoid nut 16 to cause the scraping damage to high-pressure pump lower box 1, improve the practicality.
The high-pressure pump body structure for collecting and treating the marine oil stains further comprises a plurality of groups of fixing bolts 21, wherein the plurality of groups of fixing bolts 21 are arranged on the lower box 1 of the high-pressure pump and are connected with the motor base 13; through the arrangement, the connecting effect of the lower high-pressure pump box 1 and the motor base 13 is improved, the lower high-pressure pump box 1 is convenient to mount and dismount, convenience is improved, and practicability is improved.
The high-pressure pump body structure for collecting and treating the marine oil stains further comprises a filter screen 22 arranged at the input end of the oil inlet pipe 3; through the arrangement, the filter screen 22 has a filtering effect on oil, prevents impurities with large volume from entering the cavity of the lower box 1 of the high-pressure pump, and improves the practicability.
According to the high-pressure pump body structure for collecting and treating the marine oil stain, when the high-pressure pump body structure works, the motor 12 is turned on, the motor 12 drives the rotating shaft 5 to rotate through the coupler 11, the rotating shaft 5 drives the worm 10 to rotate through the turbine 7, the oil inlet pipe 3 sucks oil in the oil collecting tank into the cavity of the lower tank 1 of the high-pressure pump, the rotating worm 10 drives the oil to be conveyed, the oil is discharged into the oil storage bag through the oil outlet pipe 4, and the worm 10 has a crushing effect on impurities in the oil.
The installation mode, the connection mode or the arrangement mode of the high-pressure pump body structure for collecting and treating the marine oil stains are common mechanical modes, and the high-pressure pump body structure can be implemented as long as the beneficial effects of the high-pressure pump body structure can be achieved; the motor 12 of the high-pressure pump body structure for marine oil stain collection and treatment is purchased from the market, and technicians in the industry only need to install and operate the motor according to the attached operating instructions.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A high-pressure pump body structure for collecting and treating marine oil stains is characterized by comprising a high-pressure pump lower box (1), a high-pressure pump upper box cover (2), an oil inlet pipe (3), an oil outlet pipe (4), a rotating shaft (5), a first bearing (6), a turbine (7), a connecting key (8), a second bearing (9), a worm (10), a coupler (11), a motor (12) and a motor base (13), wherein a cavity is arranged in the high-pressure pump lower box (1), the bottom end of the high-pressure pump upper box cover (2) is connected with the top end of the high-pressure pump lower box (1), the bottom end of the oil inlet pipe (3) is connected with the top end of the high-pressure pump upper box cover (2) and communicated with the cavity, the bottom end of the oil outlet pipe (4) is connected with the top end of the high-pressure pump upper box cover (2) and communicated with the cavity, two groups of first bearings (6) are arranged on the high-pressure pump lower box (1), the rotating shaft (5) is rotatably connected, the turbine (7) is installed on the rotating shaft (5) and is located in a cavity of a lower high-pressure pump box (1), the connecting key (8) is installed on the turbine (7) and is connected with the rotating shaft (5), two groups of second bearings (9) are installed on the lower high-pressure pump box (1), the worm (10) is rotatably connected with the lower high-pressure pump box (1) through the two groups of second bearings (9), the worm (10) is located inside the cavity of the lower high-pressure pump box (1), the worm (10) is meshed with the turbine (7) and is connected with the output end of the rotating shaft (5), the input end of the coupler (11) is connected with the output end of the motor (12), and the bottom ends of the lower high-pressure pump box (1) and the motor (12) are connected with the top end of the motor base (13).
2. The high-pressure pump body structure for the marine oil stain collection treatment according to claim 1, further comprising a sealing gasket (14), a bolt (15) and a nut (16), wherein the sealing gasket (14) is installed between the high-pressure pump lower tank (1) and the high-pressure pump upper tank cover (2), the bolt (15) is installed on the high-pressure pump upper tank cover (2) and connected with the high-pressure pump lower tank (1), and the nut (16) is screwed on the bolt (15).
3. A high pressure pump body structure for marine oil collection and treatment according to claim 2, further comprising an oil seal (17), wherein the oil seal (17) is mounted on the rotating shaft (5).
4. A high pressure pump body structure for marine oil collection and treatment according to claim 3, further comprising two sets of flanges (18), wherein the two sets of flanges (18) are respectively mounted on the oil inlet pipe (3) and the oil outlet pipe (4).
5. The high-pressure pump body structure for marine oil stain collection and treatment according to claim 4, characterized by further comprising two groups of blank caps (19), wherein the two groups of blank caps (19) are respectively arranged on the two groups of second bearings (9).
6. The high pressure pump body structure for marine oil collection and treatment according to claim 5, further comprising an elastic washer (20), wherein the elastic washer (20) is mounted on the bolt (15) and connected with the nut (16).
7. The high-pressure pump body structure for the marine oil stain collection and treatment according to claim 6, further comprising a plurality of groups of fixing bolts (21), wherein the plurality of groups of fixing bolts (21) are installed on the lower tank (1) of the high-pressure pump and connected with the motor base (13).
8. The high-pressure pump body structure for the marine oil stain collection and treatment according to claim 7, characterized in that a filter screen (22) is arranged at the input end of the oil inlet pipe (3).
CN202011018579.6A 2020-09-24 2020-09-24 High-pressure pump body structure for marine oil stain collection and treatment Pending CN112128096A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011018579.6A CN112128096A (en) 2020-09-24 2020-09-24 High-pressure pump body structure for marine oil stain collection and treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011018579.6A CN112128096A (en) 2020-09-24 2020-09-24 High-pressure pump body structure for marine oil stain collection and treatment

Publications (1)

Publication Number Publication Date
CN112128096A true CN112128096A (en) 2020-12-25

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ID=73839683

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011018579.6A Pending CN112128096A (en) 2020-09-24 2020-09-24 High-pressure pump body structure for marine oil stain collection and treatment

Country Status (1)

Country Link
CN (1) CN112128096A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB676674A (en) * 1950-10-19 1952-07-30 Edwin Lawrence Improvements relating to worm pumps
CN2126330U (en) * 1991-07-16 1992-12-30 徐述铎 Web wheel screw pump
CN202082097U (en) * 2011-06-03 2011-12-21 李存扣 Worm worm-wheel pump
CN202883377U (en) * 2012-11-27 2013-04-17 中国石油天然气集团公司 Anti-reversion structure of ground drive device of novel worm-gear screw pump
CN108302020A (en) * 2018-04-02 2018-07-20 盐城市锦瑞石油机械有限公司 A kind of anti-blockage type oil well pump of oil underground mining
CN110340110A (en) * 2019-07-17 2019-10-18 李星来 A kind of building waste processing equipment with crushing function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB676674A (en) * 1950-10-19 1952-07-30 Edwin Lawrence Improvements relating to worm pumps
CN2126330U (en) * 1991-07-16 1992-12-30 徐述铎 Web wheel screw pump
CN202082097U (en) * 2011-06-03 2011-12-21 李存扣 Worm worm-wheel pump
CN202883377U (en) * 2012-11-27 2013-04-17 中国石油天然气集团公司 Anti-reversion structure of ground drive device of novel worm-gear screw pump
CN108302020A (en) * 2018-04-02 2018-07-20 盐城市锦瑞石油机械有限公司 A kind of anti-blockage type oil well pump of oil underground mining
CN110340110A (en) * 2019-07-17 2019-10-18 李星来 A kind of building waste processing equipment with crushing function

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
屠予钦: "《农药剂型与制剂及使用方法》", 30 June 2007, pages: 156 - 157 *

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Application publication date: 20201225

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