CN209946140U - Sewage sampling detection device - Google Patents
Sewage sampling detection device Download PDFInfo
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- CN209946140U CN209946140U CN201920842951.1U CN201920842951U CN209946140U CN 209946140 U CN209946140 U CN 209946140U CN 201920842951 U CN201920842951 U CN 201920842951U CN 209946140 U CN209946140 U CN 209946140U
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Abstract
The utility model provides a sewage sampling detection device, belongs to water quality testing technical field, the utility model discloses a solve once to get many the same samples simultaneously and sample volume than the problem that the true value is littleer. A sewage sampling and detecting device comprises an operation platform, a liquid storage device, a sampling device and a detection platform; the upper end surface of the operating platform is provided with a liquid storage device, a sampling device and a detection platform, the sampling device is positioned between the liquid storage device and the detection platform, and the sampling device is respectively connected with the liquid storage device and the detection platform through a conduit; the sampling device comprises a lifting plate, a reading ruler, a screw rod, a manual nut, an injection tube, a liquid inlet switch, a liquid outlet switch, a press rod and a stop rod; rectangular grooves and threaded holes are symmetrically formed in the lifting plate. The utility model provides a can not once get many the same samples simultaneously and sample volume than the problem that the true value is on the small side to reach easy operation, the high and accurate effect of analytical data of work efficiency.
Description
Technical Field
The utility model belongs to the technical field of water quality testing, concretely relates to sewage sampling detection device.
Background
The main pollutants of the sewage include pathogen pollutants, oxygen-consuming pollutants, plant nutrients, toxic pollutants and the like. Among water pollution caused by human production activities, water pollution caused by industry is the most serious. For example, industrial wastewater contains many pollutants and complex components, and is not only difficult to purify in water, but also difficult to treat. So need the sample thief of sewage to detect sewage and the treatment that corresponds, need carry out the analysis by test to sewage between administering to make better pertinence treatment scheme, during the sampling inspection, the index that needs to detect is more, need get the same sample of many minutes, must guarantee the accuracy of the data of sample again simultaneously, so especially provide a sewage sampling detection device.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes above-mentioned prior art is not enough, provides a sewage sampling detection device, the utility model discloses an operation panel, stock solution device, sampling device and detection platform fully combine to have reached easy operation, the high and accurate effect of analysis data of work efficiency. In view of this, the utility model provides a simple structure, reasonable in design can realize passing through to at least solved once can not get many the same samples simultaneously and the sample volume is than the problem that the true value is slightly littleer.
The technical scheme of the utility model:
a sewage sampling and detecting device comprises an operation platform, a liquid storage device, a sampling device and a detection platform; the upper end surface of the operating platform is provided with a liquid storage device, a sampling device and a detection platform, the sampling device is positioned between the liquid storage device and the detection platform, and the sampling device is respectively connected with the liquid storage device and the detection platform through a conduit;
the sampling device comprises a lifting plate, a reading ruler, a screw rod, a manual nut, an injection tube, a liquid inlet switch, a liquid outlet switch, a press rod and a stop rod; the utility model discloses a syringe, including the lifter plate, the lifter plate is provided with the reading chi, the lower extreme of the reading chi that parallel symmetry set up is fixed on the up end of operation panel, and the rectangular channel on the lifter plate is passed to the upper end of reading chi, the one end of lead screw rod links to each other with manual nut, and the other end passes the screw hole rotation setting on the lifter plate on the operation panel, and a plurality of syringes pass through feed liquor switch array and set up on the up end of operation panel, are provided with out the liquid switch on the lateral wall of syringe, and the feed liquor switch passes through the pipe and links to each other with the stock solution device, and it links to each other with the detection platform to go out the liquid switch through the pipe, presses the pole and links to each other with the piston that sets up in the syringe.
Preferably, the top end of the injection tube is provided with a first through hole, the lower end of the first through hole is provided with a first limiting groove, the side wall of the injection tube is provided with a second through hole, and the outer wall of the second through hole is provided with a second limiting groove.
Preferably, the liquid inlet switch comprises a liquid inlet box body, a first sleeve, a tension spring, a first connecting column and a first blocking piece; the feed liquor box is fixed on the roof of injection syringe, and the lateral wall of feed liquor box passes through the pipe and links to each other with the stock solution device, and feed liquor box inner wall top is provided with first sleeve pipe, and tension spring sets up in first sleeve pipe, and the one end of first spliced pole is connected through tension spring with first sheathed tube bottom, and the other end of first spliced pole is provided with first separation blade, and first separation blade activity sets up at first spacing inslot.
Preferably, the liquid outlet switch comprises a liquid outlet box body, a second sleeve, a pressure spring, a second connecting column and a second baffle; the liquid outlet box body is fixed on the side wall of the injection tube, a second sleeve is arranged on the inner wall of the liquid outlet box body, a pressure spring is arranged in the second sleeve, one end of a second connecting column is connected with the bottom of the second sleeve through the pressure spring, a second baffle is arranged at the other end of the second connecting column, the second baffle is movably arranged in a second limiting groove, and the liquid outlet box body is connected with the detection table through a guide tube.
Preferably, the liquid storage device comprises a liquid storage cylinder, a sealing cover, a stirring motor and a stirring rod; the upper end of the liquid storage cylinder is provided with a sealing cover, the stirring motor is fixedly arranged on the upper end face of the sealing cover, and the stirring motor penetrates through the sealing cover to be connected with the stirring rod.
Preferably, the detection table comprises a vertical plate, a placing strip and a detection test tube; the upper end array of vertical board is opened there is the rectangle through-hole, and it has circular through-hole to place to open on the strip, and in the circular through-hole of placing strip one end was inserted to the test tube, the other end of placing the strip inserted in the rectangle through-hole on the vertical board.
The utility model has the advantages that:
1) the utility model discloses a start agitator motor and drive the stirring rod and stir the sewage sample, the number adjustment according to the sample, choose corresponding shelves pole and the figure that detects the test tube for use, the work of exhausting is carried out earlier, gas outgoing in the pipe, but the push-and-pull is full of the pipe with the sewage sample according to the pole, aim at equivalent evenly chooses the sample, avoid the gas existence in the pipe, lead to the change of sample quality, to the influence of calculating data, it is more accurate effective to make the data of calculating, can realize getting the same sample of many minutes simultaneously, reduce the loaded down with trivial details operation of single sample, and the work efficiency is improved.
2) The utility model discloses a lifter plate and reading chi, manual adjustment manual nut anticlockwise rotates, manual nut drives lead screw rod anticlockwise rotates, the internal screw thread cooperation lifter plate of lead screw rod, make the lifter plate move up, move to make the number that the up end of lifter plate is read in the horizontal plane be a can, then stimulate spacing shelves strip, make spacing shelves strip stretch out from the lifter plate, until a part of spacing shelves strip is in the effect that stops the shelves pole directly over the shelves pole can, then stimulate in proper order that the press rod 8 in the selected syringe makes the shelves pole up end and the lower terminal surface of spacing shelves strip to lean on and accomplish the extraction of sample, can guarantee that the volume of the sample of choosing is the same in this way, saved once the reading of sample simultaneously, there is the error great, the troublesome poeration, the slow problem of sample, after the sample extraction is accomplished, press the press rod fast, make the sample under the effect that the press rod promoted, along going out the liquid switch and being impressed in detecting the test tube, accomplish promptly that the sample volume is a, also can use the sample once alone, directly the pulling press the rod promptly and cooperate the scale on the syringe lateral wall, the sample can, wherein spacing shelves strip is the level setting, and the reading chi is vertical setting, can read out the accurate value like this.
3) The utility model discloses in the in-process of sample, liquid gets into the syringe along the feed liquor switch, again along going out the liquid switch and getting into in the test tube, in the sample along going out the liquid switch entering examine test tube in, because tension spring pulling first spliced pole makes first separation blade shutoff in the syringe, realize that liquid is whole to be poured into in the test tube, place the backward flow, in order to avoid actual sample volume to diminish, influence the detected data, when extracting the sample, liquid gets into in the syringe along the feed liquor switch, pressure spring's pressure passes through the second spliced pole and impresses the second separation blade in the syringe, in order to avoid the sample liquid backward flow in the pipe of liquid detection test tube one side, make actual suction volume diminish, in order to avoid actual sample volume to diminish, influence the detected data, can satisfy the equivalent sample through feed liquor switch and going out the liquid switch, can guarantee the accuracy of sample volume again, the detection result is more real and effective, the strip is placed in a pulling mode to move rightwards for a certain distance after sampling is completed, the strip is taken down, and liquid components in the test tube are detected through the detection reagent and the medicine.
Drawings
Fig. 1 is a schematic view of the overall structure of a sewage sampling and detecting device according to the present invention;
fig. 2 is a top view of the whole structure of a sewage sampling and detecting device according to the present invention;
FIG. 3 is a schematic view of the structure of the sampling device;
FIG. 4 is a schematic structural diagram of a liquid inlet switch;
FIG. 5 is a schematic view of the reservoir switch;
fig. 6 is a schematic structural view of the liquid storage device.
In the figure: 1-operation table, 2-liquid storage device, 2-1-liquid storage cylinder, 2-2-sealing cover, 2-3-stirring motor, 2-4-stirring rod, 3-sampling device, 3-1-lifting plate, 3-2-reading ruler, 3-3-screw rod, 3-4-manual nut, 3-5-injection tube, 3-5-1-first through hole, 3-5-2-first limiting groove, 3-5-3-second through hole, 3-5-4-second limiting groove, 3-6-liquid inlet switch, 3-6-1-liquid inlet box body, 3-6-2-first sleeve, 3-6-3-tension spring, 3-6-4-a first connecting column, 3-6-5-a first baffle plate, 3-7-a liquid outlet switch, 3-7-1-a liquid outlet box body, 3-7-2-a second sleeve, 3-7-3-a pressure spring, 3-7-4-a second connecting column, 3-7-5-a second baffle plate, 3-8-a pressing rod, 3-9-a stop rod, 4-a detection table, 4-1-a vertical plate, 4-2-a placing strip and 4-3-a detection test tube.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the sewage sampling and detecting device of the present invention comprises an operation platform 1, a liquid storage device 2, a sampling device 3 and a detection platform 4; the upper end surface of the operating platform 1 is provided with a liquid storage device 2, a sampling device 3 and a detection platform 4, the sampling device 3 is positioned between the liquid storage device 2 and the detection platform 4, and the sampling device 3 is respectively connected with the liquid storage device 2 and the detection platform 4 through a conduit;
the sampling device 3 comprises a lifting plate 3-1, a reading ruler 3-2, a screw rod 3-3, a manual nut 3-4, an injection tube 3-5, a liquid inlet switch 3-6, a liquid outlet switch 3-7, a press rod 3-8 and a blocking rod 3-9; the lifting plate 3-1 is symmetrically provided with rectangular grooves and threaded holes, the lower ends of reading rulers 3-2 which are symmetrically arranged in parallel are fixed on the upper end surface of an operation platform 1, the upper ends of the reading rulers 3-2 penetrate through the rectangular grooves on the lifting plate 3-1, one end of a screw rod 3-3 is connected with a manual nut 3-4, the other end of the screw rod penetrates through the threaded holes on the lifting plate 3-1 and is rotationally arranged on the operation platform 1, a plurality of injection pipes 3-5 are arranged on the upper end surface of the operation platform 1 through an array of liquid inlet switches 3-6, liquid outlet switches 3-7 are arranged on the side walls of the injection pipes 3-5, the liquid inlet switches 3-6 are connected with a liquid storage device 2 through guide pipes, the liquid outlet switches 3-7 are connected with a detection platform 4 through guide pipes, and press rods 3-8 are connected with pistons arranged in the injection pipes 3-5, the side wall of the press rod 3-8 is provided with a stop rod 3-9, the side wall of the lifting plate 3-1 is provided with a limiting stop bar 3-10 in a sliding manner, and the outer side walls of the reading ruler 3-2 and the injection tube 3-5 are provided with scale marks.
Furthermore, a first through hole 3-5-1 is formed at the top end of the injection tube 3-5, a first limiting groove 3-5-2 is formed at the lower end of the first through hole 3-5-1, a second through hole 3-5-3 is formed in the side wall of the injection tube 3-5, and a second limiting groove 3-5-4 is formed in the outer wall of the second through hole 3-5-3.
Further, the liquid inlet switch 3-6 comprises a liquid inlet box body 3-6-1, a first sleeve 3-6-2, a tension spring 3-6-3, a first connecting column 3-6-4 and a first baffle 3-6-5; the liquid inlet box body 3-6-1 is fixed on the top wall of the injection pipe 3-5, the outer side wall of the liquid inlet box body 3-6-1 is connected with the liquid storage device 2 through a guide pipe, the top of the inner wall of the liquid inlet box body 3-6-1 is provided with a first sleeve 3-6-2, the tension spring 3-6-3 is arranged in the first sleeve 3-6-2, one end of the first connecting column 3-6-4 is connected with the bottom of the first sleeve 3-6-2 through the tension spring 3-6-3, the other end of the first connecting column 3-6-4 is provided with a first baffle 3-6-5, and the first baffle 3-6-5 is movably arranged in the first limiting groove 3-5-2.
Further, the liquid outlet switch 3-7 comprises a liquid outlet box body 3-7-1, a second sleeve 3-7-2, a pressure spring 3-7-3, a second connecting column 3-7-4 and a second baffle 3-7-5; the liquid outlet box body 3-7-1 is fixed on the side wall of the injection tube 3-5, the inner wall of the liquid outlet box body 3-7-1 is provided with a second sleeve 3-7-2, the pressure spring 3-7-3 is arranged in the second sleeve 3-7-2, one end of a second connecting column 3-7-4 is connected with the bottom of the second sleeve 3-7-2 through the pressure spring 3-7-3, the other end of the second connecting column 3-7-4 is provided with a second baffle 3-7-5, the second baffle 3-7-5 is movably arranged in a second limiting groove 3-5-4, and the liquid outlet box body 3-7-1 is connected with the detection table 4 through a guide tube.
Further, the liquid storage device 2 comprises a liquid storage cylinder 2-1, a sealing cover 2-2, a stirring motor 2-3 and a stirring rod 2-4; the upper end of the liquid storage cylinder 2-1 is provided with a sealing cover 2-2, a stirring motor 2-3 is fixedly arranged on the upper end face of the sealing cover 2-2, and the stirring motor 2-3 penetrates through the sealing cover 2-2 to be connected with a stirring rod 2-4.
Further, the detection table 4 comprises a vertical plate 4-1, a placing strip 4-2 and a detection test tube 4-3; rectangular through holes are formed in the upper end of the vertical plate 4-1 in an array mode, circular through holes are formed in the placing strips 4-2, the detection test tubes 4-3 are inserted into the circular through holes in one ends of the placing strips 4-2, and the other ends of the placing strips 4-2 are inserted into the rectangular through holes in the vertical plate 4-1.
The working process of the device is as follows:
taking down a sealing cover 2-2 of a liquid storage device 2, injecting a taken sewage sample to be detected into a liquid storage cylinder 2-1, sealing the liquid storage cylinder 2-1 by using the sealing cover 2-2, connecting the sealing cover 2-2 and the liquid storage cylinder 2-1 by clamping and bolts, fixing a stirring rod 2-4 on an operation table 1 or separately using the stirring rod 2-4, starting 2-3 to drive the stirring rod 2-4 to stir the sewage sample, adjusting according to the number of the sample, selecting corresponding blocking rods 3-9 and the number of detection test tubes 4-3, performing exhaust work firstly, discharging gas in a guide pipe, pushing and pulling a pressing rod 3-8 to fill the guide pipe with the sewage sample, aiming at uniformly selecting the sample in equal quantity and avoiding the change of the quality of the sample due to the existence of the gas in the guide pipe, the influence on the measured and calculated data enables the measured and calculated data to be more accurate and effective, multiple same samples can be taken at the same time, the tedious operation of single sampling is reduced, and the working efficiency is improved;
when the lower end face of the limiting stop strip 3-10 abuts against the upper end face of the stop rod 3-9, the number read on the reading ruler 3-2 of the horizontal plane where the upper end face of the lifting plate 3-1 is 0 scale mark, the upward scale is enlarged, according to the volume of the selected sample being a, the manual nut 3-4 is manually adjusted to rotate anticlockwise, the manual nut 3-4 drives the lead screw rod 3-3 to rotate anticlockwise, the external thread of the lead screw rod 3-3 is matched with the internal thread of the lifting plate 3-1, so that the lifting plate 3-1 moves upwards until the number read on the horizontal plane where the upper end face of the lifting plate 3-1 is a, then the limiting stop strip 3-10 is pulled to enable the limiting stop strip 3-10 to extend out of the lifting plate 3-1 until a part of the limiting stop strip 3-10 is located right above the stop rod 3-9 to stop the stop rod 3-9 The sampling method has the advantages that the pressing rod 3-8 in the selected injection tube 3-5 is pulled in sequence to enable the upper end face of the blocking rod 3-9 to abut against the lower end face of the limiting blocking strip 3-10 to finish the sampling, so that the volume of the selected sample is ensured to be the same, the problems of one-time reading for sampling, large error, troublesome operation and slow sampling are solved, after the sample is extracted, the pressing rod 3-8 is pressed rapidly, the sample is pressed into the detection test tube 4-3 along the liquid outlet switch 3-7 under the pushing action of the pressing rod 3-8, the sampling volume is a, the sampling can be finished, the pressing rod 3-8 can be pulled directly and matched with scales on the side wall of the injection tube 3-5 to sample independently, and the limiting blocking strip 3-10 is arranged horizontally, the reading ruler 3-2 is vertically arranged, so that an accurate value can be read;
in the sampling process, liquid enters the injection tube 3-5 along the liquid inlet switch 3-6 and then enters the test tube along the liquid outlet switch 3-7 to finish sampling, when a sample enters the detection test tube 4-3 along the liquid outlet switch 3-7, the first connecting column 3-6-4 is pulled by the tension spring 3-6-3 to enable the first blocking piece 3-6-5 to be blocked in the injection tube 3-5-2, so that the liquid is completely injected into the test tube, the backflow is placed to avoid the reduction of the actual sampling amount and the influence on detection data, when the sample is extracted, the liquid enters the injection tube 3-5 along the liquid inlet switch 3-6, the pressure of the pressure spring 3-7-3 presses the second blocking piece 3-7-5 into the injection tube 3-5-4 through the second connecting column 3-7-4, the liquid sampling device has the advantages that the backflow of sample liquid in the guide pipe on one side of the liquid detection test tube 4-3 is avoided, the actual suction volume is reduced, the actual sampling volume is prevented from being reduced, the detection data is influenced, the equivalent sampling can be met through the liquid inlet switch 3-6 and the liquid outlet switch 3-7, the accuracy of the sampling volume can be guaranteed, the detection result is more real and effective, the sample is to be taken out, the placing strip 4-2 is pulled to move rightwards for a certain distance, the placing strip 4-2 is taken down, and the liquid components in the test tube are detected through the detection reagent and the medicine.
The above embodiments are merely illustrative of the present patent and do not limit the scope of the patent, and those skilled in the art can make modifications to the parts thereof without departing from the spirit and scope of the patent.
Claims (6)
1. The utility model provides a sewage sampling detection device which characterized in that: comprises an operation table (1), a liquid storage device (2), a sampling device (3) and a detection table (4); the upper end face of the operating platform (1) is provided with a liquid storage device (2), a sampling device (3) and a detection platform (4), the sampling device (3) is located between the liquid storage device (2) and the detection platform (4), and the sampling device (3) is connected with the liquid storage device (2) and the detection platform (4) through a guide pipe respectively;
the sampling device (3) comprises a lifting plate (3-1), a reading ruler (3-2), a screw rod screw (3-3), a manual nut (3-4), an injection tube (3-5), a liquid inlet switch (3-6), a liquid outlet switch (3-7), a pressing rod (3-8) and a blocking rod (3-9); the device is characterized in that rectangular grooves and threaded holes are symmetrically formed in the lifting plate (3-1), the lower ends of reading rulers (3-2) which are symmetrically arranged in parallel are fixed on the upper end face of the operating platform (1), the upper ends of the reading rulers (3-2) penetrate through the rectangular grooves in the lifting plate (3-1), one end of a screw rod (3-3) is connected with a manual nut (3-4), the other end of the screw rod penetrates through the threaded holes in the lifting plate (3-1) and is rotatably arranged on the operating platform (1), a plurality of injection pipes (3-5) are arranged on the upper end face of the operating platform (1) through liquid inlet switches (3-6) in an array mode, liquid outlet switches (3-7) are arranged on the side walls of the injection pipes (3-5), the liquid inlet switches (3-6) are connected with the liquid storage device (2) through guide pipes, the liquid outlet switches (3-7) are connected with the detection, the pressing rod (3-8) is connected with a piston arranged in the injection tube (3-5), a stop rod (3-9) is arranged on the side wall of the pressing rod (3-8), a limiting stop strip (3-10) is arranged on the side wall of the lifting plate (3-1) in a sliding mode, and scale marks are arranged on the outer side walls of the reading ruler (3-2) and the injection tube (3-5).
2. The sewage sampling and detecting device of claim 1, wherein: the top end of the injection tube (3-5) is provided with a first through hole (3-5-1), the lower end of the first through hole (3-5-1) is provided with a first limiting groove (3-5-2), the side wall of the injection tube (3-5) is provided with a second through hole (3-5-3), and the outer wall of the second through hole (3-5-3) is provided with a second limiting groove (3-5-4).
3. The sewage sampling and detecting device of claim 1, wherein: the liquid inlet switch (3-6) comprises a liquid inlet box body (3-6-1), a first sleeve (3-6-2), a tension spring (3-6-3), a first connecting column (3-6-4) and a first blocking piece (3-6-5); the liquid inlet box body (3-6-1) is fixed on the top wall of the injection pipe (3-5), the outer side wall of the liquid inlet box body (3-6-1) is connected with the liquid storage device (2) through a guide pipe, the top of the inner wall of the liquid inlet box body (3-6-1) is provided with a first sleeve (3-6-2), the tension spring (3-6-3) is arranged in the first sleeve (3-6-2), one end of the first connecting column (3-6-4) is connected with the bottom of the first sleeve (3-6-2) through the tension spring (3-6-3), the other end of the first connecting column (3-6-4) is provided with a first blocking piece (3-6-5), and the first blocking piece (3-6-5) is movably arranged in the first limiting groove (3-5-2).
4. The sewage sampling and detecting device of claim 1, wherein: the liquid outlet switch (3-7) comprises a liquid outlet box body (3-7-1), a second sleeve (3-7-2), a pressure spring (3-7-3), a second connecting column (3-7-4) and a second baffle (3-7-5); the liquid outlet box body (3-7-1) is fixed on the side wall of the injection tube (3-5), a second sleeve (3-7-2) is arranged on the inner wall of the liquid outlet box body (3-7-1), a pressure spring (3-7-3) is arranged in the second sleeve (3-7-2), one end of a second connecting column (3-7-4) is connected with the bottom of the second sleeve (3-7-2) through the pressure spring (3-7-3), a second baffle (3-7-5) is arranged at the other end of the second connecting column (3-7-4), the second baffle (3-7-5) is movably arranged in a second limiting groove (3-5-4), and the liquid outlet box body (3-7-1) is connected with the detection table (4) through a guide tube.
5. The sewage sampling and detecting device of claim 1, wherein: the liquid storage device (2) comprises a liquid storage cylinder (2-1), a sealing cover (2-2), a stirring motor (2-3) and a stirring rod (2-4); the upper end of the liquid storage cylinder (2-1) is provided with a sealing cover (2-2), the stirring motor (2-3) is fixedly arranged on the upper end face of the sealing cover (2-2), and the stirring motor (2-3) penetrates through the sealing cover (2-2) to be connected with the stirring rod (2-4).
6. The sewage sampling and detecting device of claim 1, wherein: the detection table (4) comprises a vertical plate (4-1), a placing strip (4-2) and a detection test tube (4-3); rectangular through holes are formed in the upper end of the vertical plate (4-1) in an array mode, circular through holes are formed in the placing strips (4-2), the detection test tubes (4-3) are inserted into the circular through holes in one ends of the placing strips (4-2), and the other ends of the placing strips (4-2) are inserted into the rectangular through holes in the vertical plate (4-1).
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|---|---|---|---|
| CN201920842951.1U CN209946140U (en) | 2019-06-05 | 2019-06-05 | Sewage sampling detection device |
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| CN201920842951.1U CN209946140U (en) | 2019-06-05 | 2019-06-05 | Sewage sampling detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114870737A (en) * | 2022-05-18 | 2022-08-09 | 深圳市中成环境科技有限公司 | Method for extracting medicament by metering any volume |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114870737A (en) * | 2022-05-18 | 2022-08-09 | 深圳市中成环境科技有限公司 | Method for extracting medicament by metering any volume |
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