CN108693187B - Dynamic circulation device for continuous sampling of loose fibers and application method thereof - Google Patents
Dynamic circulation device for continuous sampling of loose fibers and application method thereof Download PDFInfo
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- CN108693187B CN108693187B CN201810643610.1A CN201810643610A CN108693187B CN 108693187 B CN108693187 B CN 108693187B CN 201810643610 A CN201810643610 A CN 201810643610A CN 108693187 B CN108693187 B CN 108693187B
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- 239000000835 fiber Substances 0.000 title claims abstract description 120
- 238000005070 sampling Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 14
- 239000007788 liquid Substances 0.000 claims abstract description 259
- 238000002156 mixing Methods 0.000 claims abstract description 46
- 238000010992 reflux Methods 0.000 claims abstract description 45
- 239000012634 fragment Substances 0.000 claims abstract description 42
- 230000001502 supplementing effect Effects 0.000 claims abstract description 31
- 239000012530 fluid Substances 0.000 claims abstract description 30
- 238000011084 recovery Methods 0.000 claims description 78
- 238000003756 stirring Methods 0.000 claims description 56
- 238000003860 storage Methods 0.000 claims description 44
- 238000001802 infusion Methods 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002637 fluid replacement therapy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
- B01F25/51—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle in which the mixture is circulated through a set of tubes, e.g. with gradual introduction of a component into the circulating flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
- B01F25/52—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle with a rotary stirrer in the recirculation tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
- B01F35/187—Preventing generation of dust or dirt; Sieves; Filters using filters in mixers, e.g. during venting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/712—Feed mechanisms for feeding fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8444—Fibrous material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
- G01N2021/8557—Special shaping of flow, e.g. using a by-pass line, jet flow, curtain flow
Abstract
The invention provides a dynamic circulation device capable of being used for continuously sampling scattered fibers, which comprises a fiber throwing mechanism, a circulating liquid throwing mechanism, a solid-liquid mixing mechanism, a fiber display mechanism, a reflux mechanism and a fluid supplementing mechanism, wherein the fiber throwing mechanism and the circulating liquid throwing mechanism are respectively communicated with the solid-liquid mixing mechanism, fiber fragments are thrown into the solid-liquid mixing mechanism by the fiber throwing mechanism, circulating liquid is thrown into the solid-liquid mixing mechanism by the circulating liquid throwing mechanism, the solid-liquid mixing mechanism is communicated with the reflux mechanism through the fiber display mechanism, the mixed liquid enters the reflux mechanism through the fiber display mechanism, the circulating liquid throwing mechanism and the solid-liquid mixing mechanism are respectively communicated with the reflux mechanism, the mixed liquid flows between the circulating liquid throwing mechanism and the reflux mechanism, the reflux mechanism is communicated with the circulating liquid throwing mechanism through the fluid supplementing mechanism, and the circulating liquid in the reflux mechanism is supplemented into the circulating liquid throwing mechanism by the fluid supplementing mechanism.
Description
Technical Field
The invention relates to a fiber image acquisition technology, in particular to a dynamic circulation device for continuously sampling loose fibers and a use method thereof.
Background
The conventional artificial fiber identification method is doped with subjective factors of people, and is easy to cause identification errors. Along with the development of image recognition technology, the computer is used for automatically recognizing the fibers, so that the speed and the accuracy of fiber recognition can be improved, and the automatic recognition of the fibers by the computer becomes a trend. In the process of fiber type identification, a large number of fiber images need to be acquired, and currently, in the process of acquiring the fiber images, a glass slide is mainly used for manufacturing a fiber sample and then the fiber sample is observed under a microscope. When a large number of scattered fibers are required to be subjected to image acquisition, the slide glass sample is required to be replaced continuously, the operation is complex, and the efficiency is low. Accordingly, there is a need for a dynamic circulation device and method for continuous sampling of loose fibers that overcomes the above-described drawbacks.
Disclosure of Invention
The invention aims to provide a dynamic circulation device for continuously sampling loose fibers and a use method thereof, so as to improve image acquisition efficiency.
The invention adopts the technical proposal for solving the technical problems that:
a dynamic circulation device for loose fiber continuous sampling, includes fiber throwing mechanism, circulating fluid throwing mechanism, solid-liquid mixing mechanism, fiber and is showing mechanism, backward flow mechanism and fluid infusion mechanism, wherein:
the fiber throwing mechanism and the circulating liquid throwing mechanism are respectively communicated with the solid-liquid mixing mechanism, fiber fragments are thrown into the solid-liquid mixing mechanism by the fiber throwing mechanism, circulating liquid is thrown into the solid-liquid mixing mechanism by the circulating liquid throwing mechanism, the fiber fragments and the circulating liquid are mixed by the solid-liquid mixing mechanism to form mixed liquid, the solid-liquid mixing mechanism is communicated with the reflux mechanism through the fiber display mechanism, the mixed liquid enters the reflux mechanism through the fiber display mechanism, the microscope and the digital camera acquire images through the fiber display mechanism, the circulating liquid throwing mechanism and the solid-liquid mixing mechanism are respectively communicated with the reflux mechanism, the circulating liquid flows through between the circulating liquid throwing mechanism and the reflux mechanism, the reflux mechanism is communicated with the circulating liquid throwing mechanism through the liquid supplementing mechanism, and the circulating liquid in the reflux mechanism is supplemented into the circulating liquid throwing mechanism through the liquid supplementing mechanism.
Specifically:
the fiber feeding mechanism comprises a fiber feeding pipe, the fiber feeding pipe is led into the solid-liquid mixing mechanism, and the fiber fragments are fed into the solid-liquid mixing mechanism through the fiber feeding pipe;
the circulating liquid throwing mechanism comprises a liquid storage barrel for containing circulating liquid, a circulating liquid inlet pipe is connected between the liquid storage barrel and the solid-liquid mixing mechanism, and the circulating liquid in the liquid storage barrel is thrown into the solid-liquid mixing mechanism through the circulating liquid inlet pipe;
the solid-liquid mixing mechanism comprises a stirring tank for containing fiber fragments and circulating liquid, the height of the stirring tank is smaller than that of the liquid storage barrel, stirring pages are arranged in the stirring tank, a fiber inlet pipe is arranged at the top of the stirring tank, the bottom end of the fiber inlet pipe is communicated with the interior of the stirring tank, the fiber fragments are put into the stirring tank through the fiber inlet pipe, one end of the circulating liquid inlet pipe is connected to the bottom of the liquid storage barrel, the other end of the circulating liquid inlet pipe is connected to the middle of the stirring tank, the circulating liquid in the liquid storage barrel is put into the stirring tank through the circulating liquid inlet pipe, and the fiber fragments and the circulating liquid are stirred by the stirring pages to form mixed liquid;
the fiber display mechanism comprises a recovery pipeline, the recovery pipeline is connected between the stirring tank and the reflux mechanism, the mixed liquid in the stirring tank enters the reflux mechanism through the recovery pipeline, an observation window for image acquisition is arranged on the side wall of the recovery pipeline, and a microscope and a digital camera acquire images of the mixed liquid in the recovery pipeline through the observation window;
the reflux mechanism comprises a recovery tank, the height of the recovery tank is smaller than that of the stirring tank and the liquid storage barrel, a primary filter screen is arranged in the recovery tank, the recovery tank is divided into an upper part and a lower part by the primary filter screen, a reflux pipeline and an overflow pipeline are arranged at the upper part of the recovery tank, the top end of the reflux pipeline is connected to the top of the stirring tank, mixed liquid in the stirring tank flows to the upper part of the recovery tank through the reflux pipeline, the top end of the overflow pipeline is connected to the top of the liquid storage barrel, circulating liquid in the liquid storage barrel flows to the upper part of the recovery tank through the overflow pipeline, and the primary filter screen is used for carrying out preliminary filtration on the mixed liquid at the upper part of the recovery tank, so that the filtered circulating liquid is stored to the lower part of the recovery tank;
the liquid supplementing mechanism comprises a liquid supplementing pipeline, the liquid supplementing pipeline is positioned between the recovery tank and the liquid storage barrel, the top end of the liquid supplementing pipeline is connected to the bottom of the liquid storage barrel, the bottom end of the liquid supplementing pipeline is connected to the bottom of the recovery tank, the middle part of the liquid supplementing pipeline is provided with a lifting pump, and the lifting pump pumps circulating liquid stored in the recovery tank into the liquid storage barrel.
Further:
a stop valve is also arranged in the fluid infusion pipeline, the stop valve is positioned at the joint of the fluid infusion pipeline and the recovery tank, and the stop valve is used for controlling the on-off of the fluid infusion pipeline; the secondary filter screen is arranged in the fluid infusion pipeline and is positioned at the inlet end of the stop valve, and the circulating fluid in the fluid infusion pipeline is further filtered by the secondary filter screen.
The using method of the device comprises the following steps:
the circulating liquid is placed in the recovery tank in advance, the stop valve is opened, the lifting pump is started simultaneously, the circulating liquid is enabled to be subjected to impurity filtering through the secondary filter screen, the circulating liquid starts to rise to the liquid storage tank along the liquid supplementing pipeline, when the liquid level is too high, the circulating liquid flows back to the recovery tank along the overflow pipeline, liquid in the liquid storage tank flows to the stirring tank along the circulating liquid inlet pipe, when the liquid level is too high in the stirring tank, mixed liquid flows back to the recovery tank along the backflow pipeline, meanwhile, cut fiber fragments are sequentially put into the stirring tank through the fiber inlet pipe, after mixing, the circulating liquid carries the fiber fragments to continuously flow along the recovery pipeline, when the fiber fragments flow to the observation window, the fiber fragments are observed through the microscope and shot and stored in the computer, the fiber fragments after shooting flow back to the recovery tank along the recovery pipeline, the primary filter screen carries out primary filtration on the fiber fragments, and the circulating liquid flowing back to the lower part of the recovery tank is guaranteed to be separated from the fiber fragments.
The invention has the advantages that:
the dynamic circulating device and the method for continuously sampling loose fibers adopt a circulating liquid inlet pipe, a recovering pipeline and a liquid supplementing pipeline to communicate a liquid storage barrel, a stirring tank and a recovering tank to form a circulating pipeline, a lifting pump drives fiber fragments to circulate in the pipeline along with circulating liquid, the purpose of continuously collecting images is achieved, meanwhile, liquid exceeding the holding capacity in the liquid storage barrel and the stirring tank can flow back to the recovering tank through a backflow pipeline and an overflow pipeline respectively, the smooth circulation process is ensured, the problems of complex operation and low efficiency of traditional sample making and observation through glass slides are solved, continuous collection of a large number of fiber images is achieved, the device is simple in structure, easy to manufacture and high in cost performance.
Drawings
Fig. 1 is a schematic structural diagram of a dynamic circulation device for continuous sampling of loose fibers according to the present invention.
Detailed Description
In order that the manner in which the above-recited features, advantages, objects and advantages of the invention are obtained, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
As shown in fig. 1, the dynamic circulation device and method for continuously sampling loose fibers provided by the invention comprise a fiber throwing mechanism, a circulating liquid throwing mechanism, a solid-liquid mixing mechanism, a fiber display mechanism, a reflux mechanism and a fluid supplementing mechanism, wherein the fiber throwing mechanism and the circulating liquid throwing mechanism are respectively communicated with the solid-liquid mixing mechanism, fiber fragments are thrown into the solid-liquid mixing mechanism by the fiber throwing mechanism, circulating liquid is thrown into the solid-liquid mixing mechanism by the circulating liquid throwing mechanism, the fiber fragments and the circulating liquid are mixed by the solid-liquid mixing mechanism to form mixed liquid, the solid-liquid mixing mechanism is communicated with the reflux mechanism through the fiber display mechanism, the mixed liquid enters the reflux mechanism through the fiber display mechanism, a microscope and a digital camera acquire images through the fiber display mechanism, the circulating liquid throwing mechanism and the solid-liquid mixing mechanism are respectively communicated with the reflux mechanism, the circulating liquid flows between the circulating liquid throwing mechanism and the reflux mechanism, the mixed liquid flows between the solid-liquid mixing mechanism and the reflux mechanism, the reflux mechanism is communicated with the circulating liquid throwing mechanism through the fluid supplementing mechanism, and the circulating liquid in the reflux mechanism is filled into the circulating liquid throwing mechanism through the circulating liquid by the fluid supplementing mechanism. The fiber feeding mechanism comprises a fiber feeding pipe 1, the fiber feeding pipe is led into the solid-liquid mixing mechanism, and the fiber fragments are fed into the solid-liquid mixing mechanism through the fiber feeding pipe; the circulating liquid throwing mechanism comprises a liquid storage barrel 2 for containing circulating liquid, a circulating liquid inlet pipe 3 is connected between the liquid storage barrel and the solid-liquid mixing mechanism, and the circulating liquid in the liquid storage barrel is thrown into the solid-liquid mixing mechanism through the circulating liquid inlet pipe; the solid-liquid mixing mechanism comprises a stirring tank 4 for containing fiber fragments and circulating liquid, the height of the stirring tank is smaller than that of the liquid storage barrel, stirring pages are arranged in the stirring tank, a fiber inlet pipe is arranged at the top of the stirring tank, the bottom end of the fiber inlet pipe is communicated with the interior of the stirring tank, the fiber fragments are put into the stirring tank through the fiber inlet pipe, one end of the circulating liquid inlet pipe is connected to the bottom of the liquid storage barrel, the other end of the circulating liquid inlet pipe is connected to the middle of the stirring tank, the circulating liquid in the liquid storage barrel is put into the stirring tank through the circulating liquid inlet pipe, and the fiber fragments and the circulating liquid are stirred by the stirring pages to form mixed liquid; the fiber display mechanism comprises a recovery pipeline 5, the recovery pipeline is connected between the stirring tank and the reflux mechanism, the mixed liquid in the stirring tank enters the reflux mechanism through the recovery pipeline, an observation window 6 for image acquisition is arranged on the side wall of the recovery pipeline, and a microscope and a digital camera acquire images of the mixed liquid in the recovery pipeline through the observation window; the reflux mechanism comprises a recovery tank 7, the height of the recovery tank is smaller than that of the stirring tank and the liquid storage barrel, a primary filter screen 8 is arranged in the recovery tank, the recovery tank is divided into an upper part and a lower part by the primary filter screen, a reflux pipeline 9 and an overflow pipeline 10 are arranged at the upper part of the recovery tank, the top end of the reflux pipeline is connected to the top of the stirring tank, the mixed liquid in the stirring tank flows to the upper part of the recovery tank through the reflux pipeline, the top end of the overflow pipeline is connected to the top of the liquid storage barrel, the circulating liquid in the liquid storage barrel flows to the upper part of the recovery tank through the overflow pipeline, and the primary filter screen is used for preliminarily filtering the mixed liquid at the upper part of the recovery tank, so that the filtered circulating liquid is stored at the lower part of the recovery tank; the fluid infusion mechanism comprises a fluid infusion pipeline 11, the fluid infusion pipeline is positioned between the recovery tank and the liquid storage barrel, the top end of the fluid infusion pipeline is connected to the bottom of the liquid storage barrel, the bottom end of the fluid infusion pipeline is connected to the bottom of the recovery tank, a lifting pump 12 is arranged in the middle of the fluid infusion pipeline, and circulating liquid stored in the recovery tank is pumped into the liquid storage barrel by the lifting pump. The liquid supplementing pipeline is also provided with a stop valve 13 which is positioned at the joint of the liquid supplementing pipeline and the recovery tank, the stop valve controls the on-off of the liquid supplementing pipeline, the liquid supplementing pipeline is also provided with a secondary filter screen 14, the secondary filter screen is positioned at the inlet end of the stop valve, and the secondary filter screen further filters the circulating liquid in the liquid supplementing pipeline. When the device is used, circulating liquid is placed in a recovery tank in advance, a stop valve is opened, a lifting pump is started, the circulating liquid is given to the circulating liquid to enable the circulating liquid to pass through a secondary filter screen to filter impurities, then the circulating liquid starts to rise to a liquid storage tank along a liquid supplementing pipeline, when the liquid level is too high, the circulating liquid flows back to the recovery tank along an overflow pipeline, liquid in the liquid storage tank flows to a stirring tank along a circulating liquid inlet pipe, when the liquid level is too high in the stirring tank, mixed liquid flows back to the recovery tank along a backflow pipeline, meanwhile, cut fiber fragments are sequentially thrown into the stirring tank through the fiber inlet pipe, after mixing, the circulating liquid carries the fiber fragments to continuously flow along the recovery pipeline, when the fiber fragments flow to an observation window, the fiber fragments are observed by a microscope and are shot and stored in a computer, the fiber fragments after shooting flow back to the recovery tank along the recovery pipeline, and primary filter screen carries out primary filtration on the fiber fragments in the recovery tank, and the separation of the circulating liquid and the fiber fragments at the lower part of the recovery tank is guaranteed. The device adopts circulating fluid feed pipe, retrieve pipeline and fluid replacement pipeline to form circulation pipeline with stock solution bucket, agitator tank and recovery tank intercommunication, drive the fibre fragment and circulate in the pipeline along with circulating fluid through the elevator pump, realize the purpose of continuous acquisition image, liquid that surpasss holding capacity in stock solution bucket and the agitator tank can be respectively through backflow pipeline and overflow pipeline backward flow to the recovery tank in simultaneously, guarantee circulation process and go on smoothly, the operation that has solved tradition and made the sample through the slide glass is observed is complicated, the inefficiency problem, realized the continuous acquisition to a large amount of fibre images, the device structure is simple and easy, easy preparation, the sexual valence relative altitude.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, but not limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (2)
1. A dynamic circulation device for loose fibre continuous sampling, includes fibre input mechanism, circulating fluid input mechanism, solid-liquid mixing mechanism, fibre and is showing mechanism, backward flow mechanism and fluid infusion mechanism, its characterized in that:
the fiber throwing mechanism and the circulating liquid throwing mechanism are respectively communicated with the solid-liquid mixing mechanism, fiber fragments are thrown into the solid-liquid mixing mechanism by the fiber throwing mechanism, circulating liquid is thrown into the solid-liquid mixing mechanism by the circulating liquid throwing mechanism, the fiber fragments and the circulating liquid are mixed by the solid-liquid mixing mechanism to form mixed liquid, the solid-liquid mixing mechanism is communicated with the reflux mechanism through the fiber display mechanism, the mixed liquid enters the reflux mechanism through the fiber display mechanism, the microscope and the digital camera acquire images through the fiber display mechanism, the circulating liquid throwing mechanism and the solid-liquid mixing mechanism are respectively communicated with the reflux mechanism, the circulating liquid flows through between the circulating liquid throwing mechanism and the reflux mechanism, the reflux mechanism is communicated with the circulating liquid throwing mechanism through the liquid supplementing mechanism, and the circulating liquid in the reflux mechanism is supplemented into the circulating liquid throwing mechanism through the liquid supplementing mechanism;
the fiber feeding mechanism comprises a fiber feeding pipe, the fiber feeding pipe is led into the solid-liquid mixing mechanism, and the fiber fragments are fed into the solid-liquid mixing mechanism through the fiber feeding pipe;
the circulating liquid throwing mechanism comprises a liquid storage barrel for containing circulating liquid, a circulating liquid inlet pipe is connected between the liquid storage barrel and the solid-liquid mixing mechanism, and the circulating liquid in the liquid storage barrel is thrown into the solid-liquid mixing mechanism through the circulating liquid inlet pipe;
the solid-liquid mixing mechanism comprises a stirring tank for containing fiber fragments and circulating liquid, the height of the stirring tank is smaller than that of the liquid storage barrel, stirring pages are arranged in the stirring tank, a fiber inlet pipe is arranged at the top of the stirring tank, the bottom end of the fiber inlet pipe is communicated with the interior of the stirring tank, the fiber fragments are put into the stirring tank through the fiber inlet pipe, one end of the circulating liquid inlet pipe is connected to the bottom of the liquid storage barrel, the other end of the circulating liquid inlet pipe is connected to the middle of the stirring tank, the circulating liquid in the liquid storage barrel is put into the stirring tank through the circulating liquid inlet pipe, and the fiber fragments and the circulating liquid are stirred by the stirring pages to form mixed liquid;
the fiber display mechanism comprises a recovery pipeline, the recovery pipeline is connected between the stirring tank and the reflux mechanism, the mixed liquid in the stirring tank enters the reflux mechanism through the recovery pipeline, an observation window for image acquisition is arranged on the side wall of the recovery pipeline, and a microscope and a digital camera acquire images of the mixed liquid in the recovery pipeline through the observation window;
the reflux mechanism comprises a recovery tank, the height of the recovery tank is smaller than that of the stirring tank and the liquid storage barrel, a primary filter screen is arranged in the recovery tank, the recovery tank is divided into an upper part and a lower part by the primary filter screen, a reflux pipeline and an overflow pipeline are arranged at the upper part of the recovery tank, the top end of the reflux pipeline is connected to the top of the stirring tank, mixed liquid in the stirring tank flows to the upper part of the recovery tank through the reflux pipeline, the top end of the overflow pipeline is connected to the top of the liquid storage barrel, circulating liquid in the liquid storage barrel flows to the upper part of the recovery tank through the overflow pipeline, and the primary filter screen is used for carrying out preliminary filtration on the mixed liquid at the upper part of the recovery tank, so that the filtered circulating liquid is stored to the lower part of the recovery tank;
the liquid supplementing mechanism comprises a liquid supplementing pipeline, the liquid supplementing pipeline is positioned between the recovery tank and the liquid storage barrel, the top end of the liquid supplementing pipeline is connected to the bottom of the liquid storage barrel, the bottom end of the liquid supplementing pipeline is connected to the bottom of the recovery tank, a lifting pump is arranged in the middle of the liquid supplementing pipeline, and circulating liquid stored in the recovery tank is pumped into the liquid storage barrel by the lifting pump;
a stop valve is also arranged in the fluid infusion pipeline, the stop valve is positioned at the joint of the fluid infusion pipeline and the recovery tank, and the stop valve is used for controlling the on-off of the fluid infusion pipeline;
the secondary filter screen is arranged in the fluid infusion pipeline and is positioned at the inlet end of the stop valve, and the circulating fluid in the fluid infusion pipeline is further filtered by the secondary filter screen.
2. The method of using a dynamic circulation device for continuous sampling of loose fibers according to claim 1, comprising:
the circulating liquid is placed in the recovery tank in advance, the stop valve is opened, the lifting pump is started simultaneously, the circulating liquid is enabled to be subjected to impurity filtering through the secondary filter screen, the circulating liquid starts to rise to the liquid storage tank along the liquid supplementing pipeline, when the liquid level is too high, the circulating liquid flows back to the recovery tank along the overflow pipeline, liquid in the liquid storage tank flows to the stirring tank along the circulating liquid inlet pipe, when the liquid level is too high in the stirring tank, mixed liquid flows back to the recovery tank along the backflow pipeline, meanwhile, cut fiber fragments are sequentially put into the stirring tank through the fiber inlet pipe, after mixing, the circulating liquid carries the fiber fragments to continuously flow along the recovery pipeline, when the fiber fragments flow to the observation window, the fiber fragments are observed through the microscope and shot and stored in the computer, the fiber fragments after shooting flow back to the recovery tank along the recovery pipeline, the primary filter screen carries out primary filtration on the fiber fragments, and the circulating liquid flowing back to the lower part of the recovery tank is guaranteed to be separated from the fiber fragments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810643610.1A CN108693187B (en) | 2018-06-21 | 2018-06-21 | Dynamic circulation device for continuous sampling of loose fibers and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810643610.1A CN108693187B (en) | 2018-06-21 | 2018-06-21 | Dynamic circulation device for continuous sampling of loose fibers and application method thereof |
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| CN108693187A CN108693187A (en) | 2018-10-23 |
| CN108693187B true CN108693187B (en) | 2023-12-19 |
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| US5518584A (en) * | 1993-06-28 | 1996-05-21 | Aikawa Iron Works Co., Ltd. | Device for detecting foreign matter in pulp suspension |
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