CN115290801A - Textile fabric harmful substance detection equipment and detection method - Google Patents
Textile fabric harmful substance detection equipment and detection method Download PDFInfo
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- CN115290801A CN115290801A CN202211226231.5A CN202211226231A CN115290801A CN 115290801 A CN115290801 A CN 115290801A CN 202211226231 A CN202211226231 A CN 202211226231A CN 115290801 A CN115290801 A CN 115290801A
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- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
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- G01N21/64—Fluorescence; Phosphorescence
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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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
- G01N21/73—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using plasma burners or torches
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- G01N30/06—Preparation
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
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- G01N2030/025—Gas chromatography
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
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Abstract
The invention discloses a device and a method for detecting harmful substances of textile fabrics, and particularly relates to the technical field of textile fabric detection. According to the cloth detection device, the assembly detection seat is designed, the first detection seat, the second detection seat, the third detection seat, the fourth detection seat and the fifth detection seat are installed on the assembly detection seat together, and the first detection seat, the second detection seat, the third detection seat, the fourth detection seat and the fifth detection seat are consistent in structure, so that cloth can be detected intensively and comprehensively, and subsequent equipment replacement for detection is not needed.
Description
Technical Field
The invention relates to the technical field of textile fabric detection, in particular to harmful substance detection equipment and a harmful substance detection method for textile fabric.
Background
Textile material detects among the cloth production manufacturing process, and one of necessary flow detects through carrying out the composition to the cloth sample to ensure that can not contain hazardous substance in the cloth, guarantee that textile material market can not appear unqualified product, and cloth next to the shin is the cloth of top grade in the cloth, is the cloth with skin direct contact, consequently, need detect the cloth, in order to guarantee that the cloth can be by the clothing next to the shin of preparation, so cloth check out test set has very important effect.
Chinese patent application publication No. CN111948096a discloses a method for detecting components of a coated fabric, which comprises the following steps: 1, pretreatment: putting cloth to be analyzed into a washing machine for washing, cutting the washed cloth into cloth blocks with fixed sizes, and putting the cloth blocks into a constant temperature and humidity box for pretreatment; 2 density gradient liquid preparation, 3 component analysis: and (3) preparing the cloth into small balls, putting the small balls into the density gradient liquid, and measuring the density of the cloth according to the suspended positions of the small balls after the small balls are balanced so as to judge the components of the cloth. The method is suitable for detecting the components of the coated fabric, the adopted detection method can obtain the component composition of the fabric only through a simple physical mode, and the method is suitable for small laboratories, or in laboratories of certain fabric using enterprises, the component composition can be moved through a simple method, so that a user can better know the performance of the fabric, and the fabric is used according to the characteristics of the fabric.
Chinese patent No. CN113295853B discloses an immersion type hazardous substance detection device based on close-fitting textile fabric, relates to the technical field of textile fabric detection, and solves the problem that rapid water absorption and drainage of the fabric cannot be realized through structural improvement, so as to improve the contact efficiency between the fabric and detection liquid; the problem of cloth and the high-efficient contact of detecting liquid can not be realized through many linkage structures. The soaking type hazardous substance detection device based on the close-fitting textile fabric comprises a box body; the box is rectangular box-shaped structure, and the box intussuseption is filled with and is detected liquid. The section of the auxiliary seat is of an I-shaped structure, and through holes are formed in the auxiliary seat in a rectangular array shape; the through hole is aligned with the bottom end face of the cloth, and when the clamp seat drives the auxiliary seat to reciprocate, water flow ejected from the through hole is contacted with the bottom end face of the cloth, so that the contact efficiency of the cloth and liquid in the box body can be expanded.
However, the textile fabric detection equipment and the textile fabric detection method provided by the technical scheme can only detect a single item of fabric, so that the extraction and detection of components are not complete, multiple different types of subsequent detection are required to be performed to complete the overall component detection of the fabric, the detection direction is single and not comprehensive, the detection process is complicated, the time is consumed, and the automation level of the test process is not high.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide a device and a method for detecting a harmful substance in a textile fabric, so as to solve the problems that the detection of a single item of the fabric can only be performed in the background art, so that the extraction and detection of components are not complete, multiple detections of different types are required to be performed subsequently to complete the detection of the whole components of the fabric, the detection direction is single and not complete, the detection process is tedious, time-consuming, and the automation level of the test process is not high.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a hazardous substance detection equipment of textile fabric, includes that the assembly detects the seat, the assembly detects the top of seat and installs first detection seat, and the front end of first detection seat installs the sampler barrel, the top intercommunication of sampler barrel has the pump tube, the sampler barrel is connected with first detection seat through a set of long slab, and installs the lift cylinder that is used for height adjustment between long slab and the first detection seat, the right side of first detection seat is installed the second and is detected the seat, and the right side of second detection seat installs the third and detects the seat, the right side of third detection seat is installed the fourth and is detected the seat, and the right side of fourth detection seat installs the fifth and detect the seat, first detection seat, second detection seat, third detection seat, fourth detection seat and fifth detection seat all install the detector that is used for the different detection of composition, the front end of fourth detection seat is installed fluorescent agent detection device;
the front side of the fifth detection seat is provided with a gas cylinder, a steam cylinder is arranged right below the gas cylinder, the middle inside the gas cylinder is provided with a spiral guide sheet, a sample hole is formed in the upper end bottle opening of the gas cylinder, the middle part of the front side of the assembly detection seat is provided with a linear guide rail, the surface of the linear guide rail is provided with a linear motor, a moving seat is fixedly arranged above the linear motor, the front side of the upper end of the moving seat is provided with a sampling needle tube, the back side of the moving seat is provided with a detection liquid bottle, and the detection liquid bottle is connected with the sampling needle tube through a hose;
the assembly detects the upper surface left side of seat and installs the transmission lead screw, and the surface mounting of transmission lead screw has the holder, the inside centre gripping of holder is settled there is the sample box, and is provided with suction means under the sample box.
In a preferred embodiment, the sampling tube is integrally provided with a butt joint at one end for sampling, a ring seat is fixed at the outer side of the middle of the butt joint, a needle head is mounted at one end of the butt joint, which is far away from the sampling tube, a clamping hand is movably connected at the outer side of the needle head, and a spring shaft is movably arranged in the middle of the clamping hand.
In a preferred embodiment, the inner side of one end of the butt joint is provided with an internal thread, the surface of one end of the needle head connected with the butt joint is provided with an external thread, the butt joint is in threaded connection with the needle head, and the clamping hand and the spring shaft are matched with each other to form a rotating structure.
In a preferred embodiment, the lower end of the suction device is provided with an infusion bottle, a piston push plate is arranged in the suction device, the middle of the piston push plate is communicated with the first sampling pump, and two sides of the bottom of the piston push plate are provided with electric push rods.
In a preferred embodiment, the lower end of the suction device is in threaded connection with the upper end of the infusion bottle, the center line of the first sampling pump coincides with the symmetrical center line of the infusion bottle, and the interior of the infusion bottle is communicated with the upper portion of the interior of the suction device through the first sampling pump.
In a preferred embodiment, the rack pipe is installed on the left side of the sample box in a jogged mode, the lower end of the rack pipe is provided with a connector, a threaded pipe joint for butt joint is arranged below the connector, and the bottom of the threaded pipe joint is connected with a connecting pipe.
In a preferred embodiment, the rack pipe is connected with the threaded pipe joint through the connector, and the rack pipe is communicated with the top end of the suction device through a connecting pipe at the bottom of the threaded pipe joint.
In a preferred embodiment, the upper end outside threaded connection of steam bottle has a cover section of thick bamboo, and the internally mounted of cover section of thick bamboo has the shrouding, the centre of shrouding alternates installs the second sample pump, the sample cloth has been placed to the upper end surface of steam bottle, and the outside movable mounting of sample cloth has the snak link, the interior bottom integration of steam bottle is fixed with the conducting strip.
In a preferred embodiment, an air bag pinching ball is integrally installed at one end of the sampling needle tube, a binding ring is sleeved on the outer side of the air bag pinching ball, the right end of the binding ring penetrates and extends out of the inner portion of the left end of the binding ring, a rotary disc is installed at the extended end of the right end of the binding ring, and a motor is connected to the bottom of the rotary disc.
A method for detecting harmful substances of textile fabrics specifically comprises the following steps:
s1: the method comprises the following steps of cutting a part of detected cloth aiming at formaldehyde component detection of close-fitting textile cloth, covering a part of cut detected cloth on a bottle opening of a steam bottle as sample cloth, pouring water into the steam bottle, covering the sample cloth on the bottle opening, heating water in the steam bottle, and generating steam by the heated water to fumigate the sample cloth at the bottle opening at high temperature so that aromatic amine, formaldehyde and other substances in the cloth are evaporated out through high-temperature fumigation;
s2: the evaporated gas is pumped out by a second sampling pump, the gas enters the gas cylinder, a needle head mounted on a sampling cylinder on a corresponding fifth detection seat is downwards inserted into a sample hole at the upper end of the gas cylinder, the gas sample is fed into a detector mounted on the back of the second detection seat by a pump pipe, the detector on the back of the fifth detection seat adopts a gas chromatography detection method, is identified by gas chromatography and is compared with a reference substance, and the detector is specially used for detecting gas components such as formaldehyde, aromatic amine and the like;
s3: aiming at the fluorescent agent component detection on the surface of the cloth, the cloth is correspondingly placed below the fourth detection seat, and the fluorescent agent detection device is used for irradiating the cloth, so that whether the cloth has abnormal light emitting phenomenon or not is detected, and whether the cloth contains the fluorescent agent component or not is detected;
s4: detecting the insecticide and heavy metal contained in the cloth, taking down the fumigated sample cloth, putting the fumigated sample cloth into a soaking bottle filled with an organic solution, soaking the cloth with the organic solution, extracting components, purifying the extracted liquid, using a first sampling pump to enter a sample box in cooperation with a discharge pipe, and pumping the sample liquid in the sample box into a detector for gas chromatography on the back side for quantitative analysis by using a sampling cylinder on a first detection seat, so as to identify whether the cloth contains the insecticide;
s5: the sample needle tube is filled with artificial acidic sweat, acidic detection liquid in the sample needle tube is squeezed into the sample box, the artificial acidic sweat is used for soaking and extracting the cloth, then the sample box is moved to the position below the second detection seat or the third detection seat, the second detection seat and the third detection seat can both detect heavy metal components, the extracted solution in the sample box is pumped into a detector at the back for quantitative analysis of a plasma emission spectrometry, and therefore whether the heavy metal is contained or not is identified.
The invention has the technical effects and advantages that:
1. according to the cloth detection device, the assembly detection seat is designed, the first detection seat, the second detection seat, the third detection seat, the fourth detection seat and the fifth detection seat are installed on the assembly detection seat together, and the structures of the first detection seat, the second detection seat, the third detection seat, the fourth detection seat and the fifth detection seat are consistent, so that cloth can be intensively and comprehensively detected, subsequent equipment replacement and detection are not needed, the detection process is simplified, all component detection of the cloth can be completed on the assembly detection seat, and the working efficiency is greatly improved;
2. according to the invention, the butt joint is arranged on the sampling cylinder, and the butt joint and the needle head adopt a threaded connection structure which is convenient to disassemble, so that the new needle head for sampling can be replaced timely and quickly, and the problems of replacement and cleaning caused by needle head pollution are avoided;
3. the invention is through setting up the suction means, the suction means cooperates with sample box to use, the bottom of the suction means and soaking bottle are the movable whorl mounting structure, facilitate connecting with soaking bottle and separating, soaking bottle can be used for carrying on the solution to soak and extract cloth, and draw out the extract liquid through the suction means, push the piston push pedal to push the extract liquid out of the suction means, and then finish the sample to the extract solution sample inside soaking bottle, soak bottle use is a detachable structure, use more flexibly, can carry on the extraction of different solutions repeatedly, the suction means connects with sample box through the connecting pipe, connect between connecting pipe and calandria through utilizing whorl union joint and threaded connection way between the union joint at the same time, can connect suction means and sample box, facilitate extracting the sample solution into sample box, facilitate finishing sampling analysis and differentiation from the sample box;
4. according to the steam bottle, the steam bottle is used for carrying out high-temperature fumigation on the sample cloth, so that hazardous substances contained in the cloth can be conveniently discharged through steam, the cover cylinder is arranged on the steam bottle, the upper end of the steam bottle is in a closed state, and the steam can be conveniently pumped into the gas bottle by the second sampling pump for detection;
5. the movable seat is arranged to install the sampling needle tube, so that detection liquid can be conveniently dripped into the sample box to be subjected to liquid-liquid extraction with a sample, the air bag pinching ball is extruded by the binding ring, the motor is utilized to drive the turntable to wind the right end of the binding ring, and as the right end of the binding ring penetrates out of the left end of the binding ring, the inner space of the binding ring is reduced as the right end of the binding ring is continuously drawn out and wound, so that the air bag pinching ball can be extruded, the detection liquid in the sampling needle tube is automatically squeezed into the sample box, the automation level is improved, and the labor intensity is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 3 is a schematic structural view of a sampling tube according to the present invention;
FIG. 4 is a schematic cross-sectional view of a sampling tube according to the present invention;
FIG. 5 is a schematic view of the structure of the sample cartridge of the present invention;
FIG. 6 is a schematic view of a connection structure between the suction device and the soaking bottle according to the present invention;
FIG. 7 is a schematic view of the mounting structure between the cover and the steam bottle of the present invention;
FIG. 8 is an enlarged view of the structure of FIG. 7 at B in accordance with the present invention;
FIG. 9 is a schematic view of the internal cross-section of the gas cylinder of the present invention;
FIG. 10 is a schematic view of the structure of the sampling needle of the present invention.
The reference signs are: 1. an assembly detection seat; 2. a first detection seat; 3. a sampling tube; 301. a butt joint; 302. a ring seat; 303. a needle head; 304. clamping a hand; 305. a spring shaft; 4. a pump pipe; 5. a lifting cylinder; 6. a second detection seat; 7. a third detection seat; 8. a fourth detection seat; 9. a fifth detection seat; 10. a detector; 11. a gas cylinder; 12. a steam bottle; 1201. a heat conductive sheet; 1202. a spring buckle; 1203. distributing a sample; 13. a linear guide rail; 14. a linear motor; 15. a movable seat; 16. a sampling needle tube; 1601. a collar; 1602. a turntable; 1603. a motor; 1604. kneading the ball by the air bag; 17. detecting the liquid bottle; 18. a transmission screw rod; 19. a holder; 20. a sample cartridge; 2001. arranging pipes; 2002. a connector; 2003. a threaded pipe joint; 2004. a connecting pipe; 21. a suction device; 2101. soaking in a bottle; 2102. a piston push plate; 2103. a first sampling pump; 2104. an electric push rod; 22. a cover cylinder; 23. closing the plate; 24. a second sampling pump; 25. a spiral guide piece; 26. a sample well; 27. fluorescent agent detection device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The harmful substance detection equipment for the textile fabric shown in the figures 1-10 comprises an assembly detection seat 1, wherein a first detection seat 2 is installed above the assembly detection seat 1, a sampling barrel 3 is installed at the front end of the first detection seat 2, the top end of the sampling barrel 3 is communicated with a pumping pipe 4, one end, used for sampling, of the sampling barrel 3 is integrally provided with a butt joint 301, a ring seat 302 is fixed on the outer side of the middle of the butt joint 301, one end, far away from the sampling barrel 3, of the butt joint 301 is provided with a needle head 303, the outer side of the needle head 303 is movably connected with a clamping hand 304, the middle of the clamping hand 304 is movably provided with a spring shaft 305, the inner side of one end of the butt joint 301 is provided with an internal thread, the surface, connected with the butt joint 301, of the needle head 303 is provided with an external thread, the butt joint 301 is in threaded connection with the needle head 303, and the clamping hand 304 and the spring shaft 305 are matched with each other to form a rotating structure;
specifically, by arranging the butt joint 301 on the sampling tube 3 and adopting a threaded connection structure which is convenient to disassemble between the butt joint 301 and the needle 303, the new needle 303 for sampling can be replaced timely and quickly;
the sampling tube 3 is connected with the first detection seat 2 through a group of long plates, a lifting cylinder 5 for height adjustment is arranged between the long plates and the first detection seat 2, the second detection seat 6 is arranged on the right side of the first detection seat 2, the third detection seat 7 is arranged on the right side of the second detection seat 6, the fourth detection seat 8 is arranged on the right side of the third detection seat 7, the fifth detection seat 9 is arranged on the right side of the fourth detection seat 8, the detectors 10 for detecting different components are arranged on the first detection seat 2, the second detection seat 6, the third detection seat 7, the fourth detection seat 8 and the fifth detection seat 9, and a fluorescent agent detection device 27 is arranged at the front end of the fourth detection seat 8;
the front side of the fifth detection seat 9 is provided with a gas cylinder 11, a steam cylinder 12 is arranged right below the gas cylinder 11, the outer side of the upper end of the steam cylinder 12 is in threaded connection with a cover cylinder 22, a sealing plate 23 is arranged inside the cover cylinder 22, a second sampling pump 24 is inserted and arranged in the middle of the sealing plate 23, a sample cloth 1203 is placed on the upper end surface of the steam cylinder 12, a spring buckle 1202 is movably arranged on the outer side of the sample cloth 1203, and a heat conduction sheet 1201 is integrally fixed at the inner bottom of the steam cylinder 12;
specifically, the sample cloth 1203 is fumigated at high temperature by using the steam bottle 12, so that hazardous substances contained in the cloth can be conveniently discharged through steam, the cover cylinder 22 is installed on the steam bottle 12, the upper end of the steam bottle 12 is in a closed state, and thus the steam can be conveniently pumped into the gas bottle 11 by using the second sampling pump 24 for detection;
a spiral guide piece 25 is installed in the middle of the interior of the gas cylinder 11, a sample hole 26 is formed in the upper end opening of the gas cylinder 11, a linear guide rail 13 is installed in the middle of the front side of the assembly detection seat 1, a linear motor 14 is installed on the surface of the linear guide rail 13, a movable seat 15 is fixedly installed above the linear motor 14, a sampling needle tube 16 is arranged on the front side of the upper end of the movable seat 15, a detection liquid bottle 17 is arranged on the back side of the movable seat 15, the detection liquid bottle 17 is connected with the sampling needle tube 16 through a hose, an air bag pinching ball 1604 is integrally installed at one end of the sampling needle tube 16, a binding ring 1601 is sleeved on the outer side of the air bag pinching ball 1604, the right end of the binding ring 1601 penetrates and extends out of the left end of the binding ring 1601, a turntable 1602 is installed at the extending end of the right end of the binding ring 1601, and a motor 1603 is connected to the bottom of the turntable 1602;
specifically, the balloon pinching ball 1604 is squeezed by the collar 1601, the motor 1603 is used to drive the turntable 1602 to wind the right end of the collar 1601, and since the right end of the collar 1601 penetrates out of the left end of the collar 1601, the inner space of the collar 1601 is reduced as the right end of the collar 1601 is continuously drawn out and rolled, so that the balloon pinching ball 1604 is squeezed, and the detection liquid in the sampling needle tube 16 is automatically squeezed into the sample box 20;
a transmission screw rod 18 is installed on the left side of the upper surface of the assembly detection seat 1, a clamping seat 19 is installed on the surface of the transmission screw rod 18, a sample box 20 is clamped and arranged in the clamping seat 19, a suction device 21 is arranged right below the sample box 20, a pipe arrangement 2001 is installed on the left side of the sample box 20 in a embedded mode, a connecting head 2002 is arranged at the lower end of the pipe arrangement 2001, a threaded pipe joint 2003 for butt joint is arranged below the connecting head 2002, a connecting pipe 2004 is connected to the bottom of the threaded pipe joint 2003, the pipe arrangement 2001 is connected with the threaded pipe joint 2003 through the connecting head 2002, and the pipe arrangement 2001 is communicated with the top end of the suction device 21 through the connecting pipe 2004 at the bottom of the threaded pipe joint 2003;
specifically, the suction device 21 is connected to the sample box 20 through the connection tube 2004, and the connection tube 2004 is connected to the drain tube 2001 through the threaded connection between the threaded tube connector 2003 and the connection head 2002, so that the suction device 21 can be communicated with the sample box 20, and the sample solution can be conveniently extracted into the sample box 20;
the lower end of the suction device 21 is provided with a soaking bottle 2101, a piston push plate 2102 is arranged in the suction device 21, the middle of the piston push plate 2102 is communicated with a first sampling pump 2103, two sides of the bottom of the piston push plate 2102 are provided with electric push rods 2104, the lower end of the suction device 21 is in threaded connection with the upper end of the soaking bottle 2101, the center line of the first sampling pump 2103 is overlapped with the symmetrical center line of the soaking bottle 2101, and the interior of the soaking bottle 2101 is communicated with the upper portion of the interior of the suction device 21 through the first sampling pump 2103;
specifically, suction device 21 and sample box 20 use mutually in coordination, the bottom of suction device 21 and soak bottle 2101 are movable threaded mounting structure, be convenient for be connected and separate with soak bottle 2101, soak the bottle 2101 and can be used for carrying out solution extraction to the cloth, the inside of soak bottle 2101 is communicated each other through first sample pump 2103 and suction device 21's inside top, uses first sample pump 2103, with the inside top of the interior suction device 21 of extraction liquid suction in soak bottle 2101.
A method for detecting harmful substances of textile fabrics comprises the following specific steps:
s1: according to the formaldehyde component detection of the close-fitting textile fabric, cutting a part of the detected fabric, wherein a part of the cut detected fabric is covered on the opening of a steam bottle 12 as a sample fabric 1203, pouring water into the steam bottle 12, covering the sample fabric 1203 on the opening, heating the water in the steam bottle 12, and then generating steam by the heated water to fumigate the sample fabric 1203 at the opening at high temperature, so that aromatic amine, formaldehyde and other substances in the fabric are evaporated through high-temperature fumigation;
s2: the evaporated gas is pumped out by the second sampling pump 24, the gas enters the gas cylinder 11, the needle 303 mounted on the sampling cylinder 3 on the corresponding fifth detection seat 9 is downwards inserted into the sample hole 26 at the upper end of the gas cylinder 11, the pump pipe 4 is used for introducing the gas sample into the detector 10 mounted on the back of the second detection seat 6, the detector 10 on the back of the fifth detection seat 9 adopts a gas chromatography detection method, and is identified by gas chromatography and compared with a reference substance, and the gas is specially used for detecting gas components such as formaldehyde, aromatic amine and the like;
s3: aiming at the fluorescent agent component detection on the surface of the cloth, the cloth is correspondingly placed below the fourth detection seat 8, and the fluorescent agent detection device 27 is utilized to irradiate the cloth, so that whether the cloth has abnormal light-emitting phenomenon or not is detected, and whether the cloth contains the fluorescent agent component or not is detected;
s4: detecting the insecticide and heavy metal contained in the cloth, taking down a fumigated sample cloth 1203, putting the fumigated sample cloth 1203 into a soaking bottle 2101 filled with an organic solution, soaking the cloth with the organic solution, performing component extraction, purifying the extracted liquid, then using a first sampling pump 2103 to enter a sample box 20 in cooperation with a drain pipe 2001, and pumping the sample liquid in the sample box 20 into a detector 10 for gas chromatography on the back by using a sampling cylinder 3 on a first detection seat 2 for quantitative analysis so as to identify whether the insecticide is contained;
s5: aiming at the heavy metal detection of cloth, artificial acidic sweat is filled in the sampling needle tube 16, acidic detection liquid in the sampling needle tube 16 is squeezed into the sample box 20, the artificial acidic sweat is used for soaking and extracting the cloth, then the sample box 20 is moved to the position below the second detection seat 6 or the third detection seat 7, the second detection seat 6 and the third detection seat 7 can both detect heavy metal components, the extracted solution in the sample box 20 is pumped into the detector 10 on the back for quantitative analysis of a plasma emission spectrum method, and therefore whether the heavy metal is contained or not is identified.
The working principle of the invention is as follows:
the method comprises the following steps: pouring water into the steam bottle 12, covering the sample cloth 1203 on the bottle opening of the steam bottle 12, covering the sample cloth 1203 on the bottle opening, pressing the sample cloth 1203 from the outer side of the sample cloth 1203 by using the spring fastener 1202, burning and heating the heat conducting sheet 1201 at the bottom of the steam bottle 12 by using a burning device, and generating steam by the heated water to fumigate the sample cloth 1203 at the bottle opening at high temperature, so that substances such as aromatic amine and formaldehyde in the cloth are evaporated out by high-temperature fumigation;
the evaporated gas is pumped out by a second sampling pump 24, the second sampling pump 24 is connected to the upper end of the cover cylinder 22 and the bottom of the gas cylinder 11, and then the gas enters the gas cylinder 11, the gas is slowly discharged upwards along a spiral guide sheet 25 in the gas cylinder 11, then the lifting cylinder 5 on the corresponding fifth detection seat 9 is used for moving the sampling cylinder 3 on the second detection seat 6 downwards, a needle 303 mounted on the sampling cylinder 3 is downwards inserted into a sample hole 26 at the upper end of the gas cylinder 11, and a gas sample is fed into and discharged from a detector 10 mounted on the back of the second detection seat 6 by using a pumping pipe 4, the back detector 10 of the fifth detection seat 9 adopts a gas chromatography detection method, and the gas chromatography is used for identification and is compared with a reference substance, and is specially used for detecting gas components such as formaldehyde, aromatic amine and the like;
step two: the cloth is correspondingly placed below the fourth detection seat 8, and is irradiated by the fluorescent agent detection device 27, so that whether the cloth has abnormal light-emitting phenomenon or not is detected, and whether the cloth contains fluorescent agent components or not is detected;
step three: the fumigated sample cloth 1203 is taken down and placed in a soaking bottle 2101 filled with an organic solution, the cloth is soaked by the organic solution, so that pesticides in the cloth are extracted, the extracted liquid is purified, the soaking bottle 2101 is installed at the bottom of a suction device 21 by utilizing the threaded connection relationship between the soaking bottle 2101 and the suction device 21, the interior of the soaking bottle 2101 is communicated with the upper portion of the interior of the suction device 21 through a first sampling pump 2103, the soaking bottle 2101 is sucked into the upper portion of the interior of an extraction liquid suction device 21 through the first sampling pump 2103, a connector 2002 on a drain pipe 2001 is installed and connected with a threaded pipe connector 2003, a piston push plate 2102 is pushed upwards by an electric push rod 2104 so that the liquid above the interior of the suction device 21 is squeezed into the drain pipe 2001 and enters the sample box 20 through the drain pipe 2001, a lifting cylinder 5 on the first detection seat 2 is used for lowering the height of a sampling cylinder 3 on the first detection seat 2, a pumping pipe 4 is used for pumping the liquid for sucking the liquid for the gas chromatography detector 10 on the back of the sample box 20 to perform quantitative analysis so as to judge whether the pesticides exist;
step four: the sample box 20 is horizontally moved rightwards along the surface of the assembly detection seat 1 by using a transmission screw rod 18, the sample box 20 is moved to the lower part of a sampling needle tube 16, a motor 1603 is used for driving a rotary disc 1602 to rotate clockwise, the clockwise rotary disc 1602 can wind the right end of a binding ring 1601, the right end of the binding ring 1601 penetrates out of the left end of the binding ring 1601, the right end of the binding ring 1601 is continuously drawn out and wound, the inner space of the binding ring is reduced, a balloon pinching ball 1604 can be squeezed, detection liquid in the sampling needle tube 16 is squeezed into the sample box 20, heavy metal detection for cloth is performed, artificial acidic sweat is filled in the sampling needle tube 16, the cloth is soaked and extracted by the artificial acidic sweat, then the sample box 20 is moved to the lower part of a second detection seat 6 or a third detection seat 7 by using the transmission screw rod again, both the second detection seat 6 and the third detection seat 7 can be used for detecting heavy metal components, lifting air cylinders 5 of the second detection seat 6 or the third detection seat 7 are used for descending to detect whether heavy metal components in the second detection seat 6 or the third detection seat 7, and then the emission spectrum detector 10 is used for quantitatively analyzing the emission light containing heavy metal contained in the sample tube 20 by using a pump tube.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a harmful substance check out test set of textile fabric, detects seat (1) including the assembly, its characterized in that: a first detection seat (2) is installed above the assembly detection seat (1), a sampling tube (3) is installed at the front end of the first detection seat (2), a pumping tube (4) is communicated with the top end of the sampling tube (3), the sampling tube (3) is connected with the first detection seat (2) through a group of long plates, a lifting cylinder (5) for height adjustment is installed between the long plates and the first detection seat (2), a second detection seat (6) is installed on the right side of the first detection seat (2), a third detection seat (7) is installed on the right side of the second detection seat (6), a fourth detection seat (8) is installed on the right side of the third detection seat (7), a fifth detection seat (9) is installed on the right side of the fourth detection seat (8), detectors (10) for component detection are installed on the first detection seat (2), the second detection seat (6), the third detection seat (7), the fourth detection seat (8) and the fifth detection seat (9), and a fluorescent agent detection device (27) is installed at the front end of the fourth detection seat (8);
a gas cylinder (11) is installed on the front side of the fifth detection seat (9), a steam cylinder (12) is arranged under the gas cylinder (11), a spiral guide sheet (25) is installed in the middle of the interior of the gas cylinder (11), a sample hole (26) is formed in the upper end bottle opening of the gas cylinder (11), a linear guide rail (13) is installed in the middle of the front side of the assembly detection seat (1), a linear motor (14) is installed on the surface of the linear guide rail (13), a moving seat (15) is fixedly installed above the linear motor (14), a sampling needle tube (16) is arranged on the front side of the upper end of the moving seat (15), a detection liquid bottle (17) is arranged on the back of the moving seat (15), and the detection liquid bottle (17) is connected with the sampling needle tube (16) through a hose;
the assembly detection device is characterized in that a transmission screw rod (18) is installed on the left side of the upper surface of the assembly detection seat (1), a clamping seat (19) is installed on the surface of the transmission screw rod (18), a sample box (20) is clamped and arranged inside the clamping seat (19), and a suction device (21) is arranged right below the sample box (20).
2. A textile fabric hazard detection apparatus according to claim 1, wherein: the one end integration that is used for the sample of sampling section of thick bamboo (3) is provided with butt joint (301), and is fixed with ring seat (302) in the middle part outside of butt joint (301), syringe needle (303) are installed to the one end of keeping away from sampling section of thick bamboo (3) of butt joint (301), and the outside swing joint of syringe needle (303) has tong (304), the middle activity of tong (304) is provided with spring axle (305).
3. A textile fabric hazard detection apparatus according to claim 2, wherein: the one end inboard of butt joint (301) is provided with the internal thread, and syringe needle (303) connect the one end surface of butt joint (301) and be provided with the external screw thread, be threaded connection between butt joint (301) and syringe needle (303), tong (304) and spring axle (305) mutually support and constitute revolution mechanic.
4. A textile fabric hazard detection apparatus according to claim 1, wherein: soaking bottle (2101) is installed to the lower extreme of suction means (21), and the internally mounted of suction means (21) has piston push pedal (2102), the centre intercommunication and first sample pump (2103) of piston push pedal (2102), and piston push pedal (2102) bottom both sides install electric putter (2104).
5. A textile fabric hazard detection apparatus according to claim 4, wherein: the lower end of the suction device (21) is in threaded connection with the upper end of the soaking bottle (2101), the center line of the first sampling pump (2103) is overlapped with the symmetrical center line of the soaking bottle (2101), and the interior of the soaking bottle (2101) is communicated with the upper portion of the interior of the suction device (21) through the first sampling pump (2103).
6. A textile fabric hazard detection apparatus according to claim 1, wherein: the left side of the sample box (20) is embedded with a calandria (2001), the lower end of the calandria (2001) is provided with a connecting head (2002), a threaded pipe joint (2003) for butt joint is arranged below the connecting head (2002), and the bottom of the threaded pipe joint (2003) is connected with a connecting pipe (2004).
7. The apparatus for detecting a harmful substance of a textile fabric according to claim 6, wherein: the calandria (2001) is connected with the threaded pipe joint (2003) through the connecting head (2002), and the calandria (2001) is communicated with the top end of the suction device (21) through a connecting pipe (2004) at the bottom of the threaded pipe joint (2003).
8. A textile fabric hazard detection apparatus according to claim 1, wherein: the utility model discloses a steam bottle, including steam bottle (12), upper end outside threaded connection has a cover section of thick bamboo (22), and the internally mounted of cover section of thick bamboo (22) has shrouding (23), second sample pump (24) are installed to the centre interlude of shrouding (23), sample cloth (1203) have been placed to the upper end surface of steam bottle (12), and the outside movable mounting of sample cloth (1203) has snak link (1202), the interior bottom integration of steam bottle (12) is fixed with conducting strip (1201).
9. A textile fabric hazard detection apparatus according to claim 1, wherein: ball (1604) are held between fingers to the gasbag is installed in the one end integration of sample needle tubing (16), and the gasbag is held between the fingers the outside of ball (1604) and has been cup jointed and restraint ring (1601), the right-hand member of restraining ring (1601) is run through from the left end inside of restraining ring (1601) and is extended away, and restraints ring (1601) right-hand member extension end and install carousel (1602), the bottom of carousel (1602) is connected with motor (1603).
10. A method for detecting harmful substances of textile fabrics is characterized by comprising the following steps: the method comprises the following specific steps:
s1: the method comprises the steps of detecting the formaldehyde component of the close-fitting textile fabric, cutting a part of detected fabric, covering a part of cut detected fabric at the bottle opening of a steam bottle (12) as a sample fabric (1203), pouring water into the steam bottle (12), covering the sample fabric (1203) at the bottle opening, heating the water in the steam bottle (12), and generating steam by the heated water to fumigate the sample fabric (1203) at the bottle opening at a high temperature, so that aromatic amine, formaldehyde and other substances in the fabric are evaporated out through high-temperature fumigation;
s2: the evaporated gas is pumped out by a second sampling pump (24), the gas enters a gas cylinder (11), a needle (303) which is arranged on a sampling cylinder (3) on a corresponding fifth detection seat (9) is downwards inserted into a sample hole (26) at the upper end of the gas cylinder (11), a pump pipe (4) is used for leading a gas sample to enter and exit a detector (10) which is arranged on the back of the second detection seat (6), the back detector (10) of the fifth detection seat (9) adopts a gas chromatography detection method, is identified by using a gas chromatography, is compared with a reference substance, and is specially used for detecting gas components such as formaldehyde, aromatic amine and the like;
s3: aiming at the fluorescent agent component detection on the surface of the cloth, the cloth is correspondingly placed below the fourth detection seat (8), and the fluorescent agent detection device (27) is utilized to irradiate the cloth, so that whether the cloth has abnormal light emitting phenomenon or not is detected, and whether the cloth contains the fluorescent agent component or not is detected;
s4: detecting pesticides and heavy metals contained in cloth, taking down a fumigated sample cloth (1203), putting the fumigated sample cloth into a soaking bottle (2101) filled with an organic solution, soaking the cloth with the organic solution, extracting components, purifying extracted liquid, then using a first sampling pump (2103) to enter a sample box (20) by matching with a drainage pipe (2001), and pumping sample liquid in the sample box (20) into a detector (10) for gas chromatography on the back by using a sampling cylinder (3) on a first detection seat (2) for quantitative analysis so as to identify whether the cloth contains the pesticides;
s5: aiming at heavy metal detection of cloth, artificial acidic sweat is filled in a sampling needle tube (16), acidic detection liquid in the sampling needle tube (16) is squeezed into a sample box (20), the cloth is soaked and extracted by the artificial acidic sweat, then the sample box (20) is moved to the position below a second detection seat (6) or a third detection seat (7), heavy metal components can be detected by the second detection seat (6) and the third detection seat (7), and the extracted solution in the sample box (20) is pumped into a detector (10) on the back for quantitative analysis of a plasma emission spectroscopy method, so that whether the heavy metal is contained or not is identified.
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| CN202211226231.5A CN115290801B (en) | 2022-10-09 | 2022-10-09 | Textile fabric harmful substance detection equipment and detection method |
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| CN202211226231.5A CN115290801B (en) | 2022-10-09 | 2022-10-09 | Textile fabric harmful substance detection equipment and detection method |
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Cited By (1)
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