CN112816385B - Method for detecting performance of heat insulation board - Google Patents

Method for detecting performance of heat insulation board Download PDF

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Publication number
CN112816385B
CN112816385B CN202011617110.4A CN202011617110A CN112816385B CN 112816385 B CN112816385 B CN 112816385B CN 202011617110 A CN202011617110 A CN 202011617110A CN 112816385 B CN112816385 B CN 112816385B
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China
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heat
broken
insulation board
supporting frame
insulating plate
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CN202011617110.4A
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CN112816385A (en
Inventor
刘东华
青林
高如玉
李秋金
吴学通
郅亚楠
何滔
蒋滔
何剑南
刘健
卢远中
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Chengdu First New Material Co ltd
First New Material Technology Development Co Ltd
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Chengdu First New Material Co ltd
First New Material Technology Development Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/088Investigating volume, surface area, size or distribution of pores; Porosimetry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/20Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0023Bending
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/026Specifications of the specimen
    • G01N2203/0262Shape of the specimen
    • G01N2203/0278Thin specimens
    • G01N2203/0282Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/06Indicating or recording means; Sensing means
    • G01N2203/067Parameter measured for estimating the property
    • G01N2203/0676Force, weight, load, energy, speed or acceleration
    • 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention relates to the field of strength detection, in particular to a method for detecting the performance of an insulation board, which comprises the following steps: preparing detection equipment, including an air compressor, a negative pressure suction filter, a cutting knife and a pressing block; step two: detecting the pore penetration condition of the substrate; step three: the cutting knife is contacted with the upper surface of the heat insulation plate; step four: the upper surface of the heat insulation board is scraped by rotating the cutting knife; step five: pressing the pressing block after contacting the cut heat-insulating plate until the heat-insulating plate is broken; step six: breaking the broken heat-insulating board. When the technical scheme is adopted, the porosity of the base plate can be detected, the breaking strength of the heat-insulating plate can be detected rapidly and accurately, and the heat-insulating plate can be recovered conveniently.

Description

Method for detecting performance of heat insulation board
Technical Field
The invention relates to the field of strength detection, in particular to a method for detecting the performance of an insulation board.
Background
The modified polystyrene board is a novel heat-insulating material with heat insulation and fire-proof grade A2, which is formed by uniformly penetrating, curing and drying a low-density EPS (polystyrene) substrate (hereinafter referred to as substrate) and an inorganic cementing material; namely, a plurality of pores are formed on the EPS substrate, and the inorganic cementing material is permeated into the pores and then cured and dried to form the heat insulation board.
The porosity of the base plate directly determines the fire-proof grade of the finished fire-proof heat-insulating plate, the number of the permeated inorganic cementing materials is large, the fire-proof grade can reach A2 grade, the number of the permeated inorganic slurry is small, and the fire-proof grade can not reach A2 grade. However, the porosity is not as high as possible, and too many pores can cause increased substrate loss and finished board loss, which is not in line with the actual requirements.
In addition, after the production of the insulation board is completed, the bending strength of the insulation board needs to be detected, in the detection, the cut part of the whole insulation board is usually detected, and the bending strength of each part of the whole insulation board possibly has a difference due to uneven holes formed on the substrate, so that the detection of only the part of the insulation board can influence the bending strength evaluation of the insulation board; and after the flexural strength is detected, the whole insulation board is discarded, so that the material waste, in particular the polystyrene foam particle waste is caused.
Disclosure of Invention
The invention aims to provide a method which can detect the porosity of a substrate, is favorable for rapidly and accurately detecting the flexural strength of an insulation board and is convenient for recycling the insulation board.
In order to achieve the above purpose, the technical scheme of the invention provides a method for detecting the performance of an insulation board, which comprises the following steps:
step one: preparing detection equipment, wherein the detection equipment comprises a frame, an air compressor, a splitting pressing mechanism and a supporting crushing mechanism, the splitting pressing mechanism comprises a connecting plate, a plurality of splitting cutters and pressing blocks, the connecting plate is arranged on the frame in a sliding and rotating mode, the splitting cutters are detachably and crosswise arranged on the lower surface of the connecting plate, the pressing blocks are arranged between adjacent splitting cutters, a shearing sensor is arranged between the pressing blocks and the connecting plate, the height of the pressing blocks is smaller than that of the splitting cutters, and the air compressor is communicated with the lower surface of the connecting plate; the supporting and crushing mechanism comprises a supporting frame and broken blocks, the broken blocks are rotatably arranged in the supporting frame, grooves for inserting the splitting cutters are formed in the broken blocks and the supporting frame, and a negative pressure suction filter is detachably arranged in the supporting frame;
step two: placing a substrate on a supporting frame, sealing gaps between adjacent pressing blocks and grooves on the supporting frame, wherein a cutting knife is reserved between the adjacent pressing blocks, the pressing blocks are driven by a connecting plate to slide so that the pressing blocks are contacted with the upper surface of the substrate, starting an air compressor, observing vacuum degree data through a negative pressure suction filter on the lower surface of the substrate, and then closing the air compressor;
step three: after the connecting plate is reset, the substrate is taken down, the negative pressure suction filter is taken out from the supporting frame, the sealing is released, the dividing knife is installed, then the heat-insulating plate is placed on the supporting frame, the dividing knife and the pressing block are driven by the connecting plate to slide to the upper side of the heat-insulating plate, and the dividing knife is contacted with the upper surface of the heat-insulating plate;
step four: the connecting plate rotates to drive the slicing knife to rotate so as to scrape the upper surface of the heat-insulating plate, and scraps generated in the scraping process are removed when the slicing knives which are arranged in a crossing way rotate;
step five: the connecting plate drives the splitting cutter and the pressing block to continuously slide, the splitting cutter enters the groove after splitting the heat-insulating plate and limits the split heat-insulating plate, the pressing block is pressed until the heat-insulating plate is broken after contacting the split heat-insulating plate, and the data of the force for breaking the heat-insulating plate are obtained through the shearing sensor;
step six: the broken heat-insulating plate is placed into the supporting frame, and the broken block is broken in the process of rotating.
The technical effect of this scheme is: the pressurized air passes through the substrate with a certain pore from the upper surface of the substrate, is continuously hindered and attenuated by particles, and is obviously reduced when the pressure is detected on the lower surface of the substrate; the fewer the pores, the greater the obstruction of the air, the less pressure is detected; the more pores, the less air is blocked, the greater the pressure is detected, thus completing the detection of the pores of the substrate.
The cutting knife is convenient for simultaneously detecting the flexural strength of a plurality of parts of the insulation board after cutting the insulation board, the detection efficiency is high, and the accuracy of the flexural strength detection of the whole insulation board is ensured, so that the flexural strength evaluation of the insulation boards in the same batch is more accurate; meanwhile, the upper surface of the heat-insulating plate is scraped by the cutting knife, so that the heat-insulating plate can be effectively prevented from being broken due to shearing force generated in the process of pressing the heat-insulating plate due to uneven upper surface of the heat-insulating plate, and inaccurate detection of flexural strength is avoided; the cutting knife enters the groove to limit the cut heat-insulating plate, so that each part of the heat-insulating plate is ensured to be transversely distributed on the supporting frame and broken pieces, and the detection accuracy is improved; and utilize supporting frame and broken piece that the detection in-process supported the heated board, can break the heated board after the folding, be convenient for retrieve the polystyrene foam granule in the heated board.
Further, a bayonet is arranged on the supporting frame, and the depth of the bayonet is smaller than the thickness of the heat insulation plate. The technical effect of this scheme is: placing the heated board into the bayonet socket, the segmentation sword is scraped the heated board at ordinary times with the heated board contact, is favorable to improving the stability of heated board.
Further, the bottom of the bayonet is flush with the upper surface of the broken pieces. The technical effect of this scheme is: is favorable for ensuring that the heat insulation board is in a horizontal state to receive the pressing of the pressing block.
Further, a cylinder is fixed on the frame, a stepping motor is fixed on an output shaft of the cylinder, and a connecting plate is fixedly connected with the output shaft of the stepping motor. The technical effect of this scheme is: the sliding and rotating arrangement of the connecting plate is convenient to realize.
Further, a servo motor is fixed on the frame, and an output shaft of the servo motor penetrates through the bottom of the supporting frame and is fixedly connected with the lower surface of the crushing block. The technical effect of this scheme is: the thermal insulation board is beneficial to breaking fragments to be broken by positive and negative rotation, and the breaking effect is better.
Further, the pressing block is isosceles trapezoid and is contacted with the cutting knife. The technical effect of this scheme is: the detection of the flexural strength of the insulation board is facilitated to be improved.
Further, a crushing plate is fixed on the edges of the crushed pieces. The technical effect of this scheme is: is beneficial to improving the crushing effect of the heat insulation board.
Further, each side of the broken pieces is fixed with a plurality of broken nails. The technical effect of this scheme is: further improving the crushing effect of the heat insulation board.
Further, the crushing nails on each side of the crushing block are distributed in a staggered manner. The technical effect of this scheme is: the polystyrene foam particles are conveniently crushed and separated.
Further, one of the side walls of the support frame is rotatably connected to the support frame. The technical effect of this scheme is: after one of the side walls of the support frame is opened, broken particles are conveniently taken out of the support frame.
Drawings
FIG. 1 is a three-dimensional schematic diagram of a detection device according to an embodiment of the present invention;
FIG. 2 is a three-dimensional schematic view of a web, a slitting knife and a press block;
fig. 3 is a three-dimensional schematic of a support frame and broken pieces.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the cutting device comprises a connecting plate 1, a cutting knife 2, a pressing block 3, a supporting frame 4, a breaking block 5, a bayonet 6, a groove 7, a breaking plate 8 and a heat insulation plate 9.
Embodiment one:
a method of detecting performance of an insulation panel comprising the steps of:
step one: preparing detection equipment shown in fig. 1, wherein the detection equipment comprises a frame, an air compressor, a splitting pressing mechanism and a supporting crushing mechanism, the splitting pressing mechanism comprises a cylinder, a stepping motor, a connecting plate 1, a splitting cutter 2 and a pressing block 3, the cylinder is vertically and fixedly arranged on the frame through bolts, and the cylinder can be an Adand SC cylinder; the stepping motor is vertically arranged and welded with the output shaft of the air cylinder, the connecting plate 1 is welded with the output shaft of the stepping motor, and the stepping motor can be ZX7H-57BYG007-01.
As shown in fig. 2, the slicing blades 2 are arranged on the lower surface of the connecting plate 1 in a crossing way, and the slicing blades 2 are detachably connected with the connecting plate 1 through bolts; the pressing blocks 3 are arranged between the adjacent slitting knives 2, the pressing blocks 3 are welded with the connecting plate 1, two ends of the pressing blocks 3 are in contact with the slitting knives 2, the pressing blocks 3 are isosceles trapezoids, the height of the pressing blocks 3 is smaller than that of the slitting knives 2, and a pipeline on the air compressor is communicated with the lower surface of the connecting plate; the press block 3 is provided with a notch, a shear sensor is arranged in the notch and positioned between the press block 3 and the connecting plate 1, the lower end of the shear sensor is in contact with the press block 3, the upper end of the shear sensor is in contact with the lower surface of the connecting plate 1, the model of the shear sensor can be DLB, a display screen is further arranged on the frame, and shear force data are transmitted to the display screen through the shear sensor.
As shown in FIG. 3, the supporting and crushing mechanism comprises a servo motor, a supporting frame 4 and a crushing block 5, wherein the servo motor and the supporting frame 4 are fixedly arranged on a frame through bolts, the crushing block 5 is positioned in the supporting frame 4, a hole is formed in the bottom of the supporting frame 4, an output shaft of the servo motor penetrates through the hole and is welded with the lower surface of the crushing block 5, and the type of the servo motor can be MR-J2S-100A.
The supporting frame 4 is provided with a bayonet 6, the depth of the bayonet 6 is smaller than the thickness of the heat insulation board 9, and the bottom of the bayonet 6 is flush with the upper surface of the broken blocks 5. Grooves 7 for inserting the cutting knife 2 shown in figure 2 are formed in the broken blocks 5 and the supporting frame 4; as shown in fig. 3, a breaker plate 8 is welded to the edges of the breaker pieces 5. In addition, the negative pressure suction filter is detachably arranged in the supporting frame through bolts.
Step two: placing a substrate on a supporting frame 4, sealing gaps reserved between adjacent pressing blocks 3 and provided with cutting blades 2 and grooves 7 on the supporting frame by transparent glue, manually starting an air cylinder, then driving the pressing blocks 3 to slide by a connecting plate 1 to enable the pressing blocks 3 to be in contact with the upper surface of an insulation board, starting an air compressor, observing vacuum degree data through a negative pressure suction filter on the lower surface of the insulation board, and then closing the air compressor; proved by verification, the vacuum degree is between 0.01 and 0.02MPa, the porosity is optimal, and the permeability is optimal.
Step three: after the connecting plate 1 is reset, the substrate is taken down, the negative pressure suction filter is taken out from the supporting frame, the transparent adhesive tape is removed from sealing the gap for reserving and installing the cutting knife 2 and the groove 7 on the supporting frame, then the cutting knife 2 is installed through bolts, then the heat-insulating plate 9 shown in fig. 1 is placed in the bayonet 6 of the supporting frame 4 and on the broken piece 5, after the air cylinder is started manually, the connecting plate 1, the cutting knife 2 and the pressing block 3 are driven to move downwards to the position above the heat-insulating plate 9, when the cutting knife 2 is contacted with the upper surface of the heat-insulating plate 9, the air cylinder is closed, and then the stepping motor is started manually.
Step four: the step motor rotates the in-process drive connecting plate 1 and segmentation sword 2 rotate and strickle the upper surface of heated board 9, and the sweeps that will strickle in-process produced are clear away when the segmentation sword 2 of cross setting rotates, then close step motor.
Step five: starting the air cylinder again, driving the connecting plate 1, the splitting knife 2 and the pressing block 3 to continuously move downwards, enabling the splitting knife 2 to split the heat-insulating plate 9, enabling the heat-insulating plate 9 to enter the groove 7, limiting the split heat-insulating plate 9, enabling the pressing block 3 to contact with the split heat-insulating plate 9, pressing the split heat-insulating plate 9 until the heat-insulating plate 9 is broken, transmitting the force data of the broken heat-insulating plate 9 to a display screen through a shearing sensor for personnel to record, then closing the air cylinder, and driving the connecting plate 1, the splitting knife 2 and the pressing block 3 to move upwards to be separated from the supporting frame 4 after the air cylinder is closed;
step six: the broken heat-insulating plate 9 is placed into the supporting frame 4, and the servo motor is started, so that the broken fragments 5 are driven to rotate to crush the broken heat-insulating plate 9, and the exposed polystyrene foam particles after crushing can be used for recycling.
Embodiment two:
on the basis of the first embodiment, a plurality of crushing nails are welded on each side surface of the broken block 5 as shown in fig. 3, and the crushing nails on each side surface of the broken block 5 are distributed in a staggered manner. In addition, among the four side walls of the supporting frame 4, three side walls are welded with the bottom of the supporting frame 4, and the other side wall is connected with the adjacent side wall through hinges in a rotating way, namely, the side wall is convenient to sweep out particles in the supporting frame 4 after being opened in a rotating way.
Embodiment III:
different from the second embodiment, the bottom of the bayonet 6 is higher than the upper surface of the breaking block 5, and the device further comprises a cylinder, the upper end and the lower end of the cylinder are open, a scribing line I and a scribing line II are marked at the positions of 25cm and 15cm of the height of the cylinder respectively, after the substrate is placed on the supporting frame 4, the lower end of the cylinder is contacted with the upper surface of the substrate and is sealed by silicone sealant, the cylinder is fixed by hands and poured into 2kg of tap water inwards for 2-3 s, and the water level descending time is recorded from the scribing line I to the scribing line II; through data analysis, the optimal water flow permeation time is 7-9s, and the EPS substrate has optimal porosity and best comprehensive performance.
The foregoing is merely exemplary embodiments of the present invention, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent.

Claims (10)

1. The method for detecting the performance of the heat insulation board is characterized by comprising the following steps of: the method comprises the following steps:
step one: preparing detection equipment, wherein the detection equipment comprises a frame, an air compressor, a splitting pressing mechanism and a supporting crushing mechanism, the splitting pressing mechanism comprises a connecting plate, a plurality of splitting cutters and pressing blocks, the connecting plate is arranged on the frame in a sliding and rotating mode, the splitting cutters are detachably and crosswise arranged on the lower surface of the connecting plate, the pressing blocks are arranged between adjacent splitting cutters, a shearing sensor is arranged between the pressing blocks and the connecting plate, the height of the pressing blocks is smaller than that of the splitting cutters, and the air compressor is communicated with the lower surface of the connecting plate; the supporting and crushing mechanism comprises a supporting frame and broken blocks, the broken blocks are rotatably arranged in the supporting frame, grooves for inserting the splitting cutters are formed in the broken blocks and the supporting frame, and a negative pressure suction filter is detachably arranged in the supporting frame;
step two: placing a substrate on a supporting frame, sealing gaps between adjacent pressing blocks and grooves on the supporting frame, wherein a cutting knife is reserved between the adjacent pressing blocks, the pressing blocks are driven by a connecting plate to slide so that the pressing blocks are contacted with the upper surface of the substrate, starting an air compressor, observing vacuum degree data through a negative pressure suction filter on the lower surface of the substrate, and then closing the air compressor;
step three: after the connecting plate is reset, the substrate is taken down, the negative pressure suction filter is taken out from the supporting frame, the sealing is released, the dividing knife is installed, then the heat-insulating plate is placed on the supporting frame, the dividing knife and the pressing block are driven by the connecting plate to slide to the upper side of the heat-insulating plate, and the dividing knife is contacted with the upper surface of the heat-insulating plate;
step four: the connecting plate rotates to drive the slicing knife to rotate so as to scrape the upper surface of the heat-insulating plate, and scraps generated in the scraping process are removed when the slicing knives which are arranged in a crossing way rotate;
step five: the connecting plate drives the splitting cutter and the pressing block to continuously slide, the splitting cutter enters the groove after splitting the heat-insulating plate and limits the split heat-insulating plate, the pressing block is pressed until the heat-insulating plate is broken after contacting the split heat-insulating plate, and the data of the force for breaking the heat-insulating plate are obtained through the shearing sensor;
step six: the broken heat-insulating plate is placed into the supporting frame, and the broken block is broken in the process of rotating.
2. The method for detecting the performance of an insulation board according to claim 1, wherein: the supporting frame is provided with a bayonet, and the depth of the bayonet is smaller than the thickness of the heat insulation board.
3. The method for detecting the performance of an insulation board according to claim 2, wherein: the bottom of the bayonet is flush with the upper surface of the broken pieces.
4. A method of testing insulation board performance according to claim 3, wherein: the machine frame is fixedly provided with an air cylinder, an output shaft of the air cylinder is fixedly provided with a stepping motor, and the connecting plate is fixedly connected with the output shaft of the stepping motor.
5. The method for detecting the performance of an insulation board according to claim 4, wherein: a servo motor is fixed on the frame, and an output shaft of the servo motor penetrates through the bottom of the supporting frame and is fixedly connected with the lower surface of the crushing block.
6. The method for detecting the performance of an insulation board according to claim 5, wherein: the pressing block is isosceles trapezoid and is contacted with the cutting knife.
7. The method for detecting the performance of an insulation board according to claim 6, wherein: the edges of the broken blocks are fixed with a breaking plate.
8. The method for detecting the performance of an insulation board according to claim 7, wherein: each side of the broken blocks is fixedly provided with a plurality of broken nails.
9. The method for detecting the performance of an insulation board according to claim 8, wherein: the broken nails on each side of the broken pieces are distributed in a staggered manner.
10. The method for detecting the performance of an insulation board according to claim 9, wherein: one side wall of the supporting frame is rotationally connected with the supporting frame.
CN202011617110.4A 2020-12-31 2020-12-31 Method for detecting performance of heat insulation board Active CN112816385B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115678021A (en) * 2022-11-14 2023-02-03 常州工程职业技术学院 Convenient synthesis method of polyfluorene block copolymer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206324154U (en) * 2016-09-19 2017-07-14 商丘师范学院 Multifunctional fruit vegetable drink maker
JP6696073B1 (en) * 2019-12-04 2020-05-20 中国計量大学 Reliable Authenticity Identification Method for Saiko Tatsui Tea
CN112051301A (en) * 2020-09-15 2020-12-08 福州格摩图电子科技有限公司 Floor heating insulation board performance detection device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206324154U (en) * 2016-09-19 2017-07-14 商丘师范学院 Multifunctional fruit vegetable drink maker
JP6696073B1 (en) * 2019-12-04 2020-05-20 中国計量大学 Reliable Authenticity Identification Method for Saiko Tatsui Tea
CN112051301A (en) * 2020-09-15 2020-12-08 福州格摩图电子科技有限公司 Floor heating insulation board performance detection device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
碳纤维复合材料孔隙分布及形貌分析研究;肖鹏;刘卫平;刘奎;黄姿禹;徐鹏;;玻璃钢/复合材料(第02期);全文 *

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