CN212410526U - Dimethyl propane diamine concentration analysis device - Google Patents
Dimethyl propane diamine concentration analysis device Download PDFInfo
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- CN212410526U CN212410526U CN202020598928.5U CN202020598928U CN212410526U CN 212410526 U CN212410526 U CN 212410526U CN 202020598928 U CN202020598928 U CN 202020598928U CN 212410526 U CN212410526 U CN 212410526U
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Abstract
The utility model provides a dimethyl propane diamine concentration analysis device. The device for analyzing the concentration of the dimethyl propane diamine comprises: an operation table; the bottom ends of the two support rods are fixed on two sides of the top of the operating platform, and a top plate is fixedly connected between the top ends of the two support rods; the adjusting component is arranged at the bottom of the top plate and comprises two mounting blocks, and a sliding rod is fixedly connected between one opposite sides of the mounting blocks. The utility model provides a dimethyl propylene diamine concentration analysis device can realize the automatic quantitative extraction to dimethyl propylene diamine, has not only improved the degree of accuracy to dimethyl propylene diamine quantitative extraction, still makes the extraction to dimethyl propylene diamine more convenient, need not the manual work and operates, has avoided the trouble of artifical extraction, convenient and fast, easy operation, and then has also accelerated the speed to dimethyl propylene diamine concentration analysis detection, further embodied the device's practicality.
Description
Technical Field
The utility model relates to a chemistry technical field especially relates to a dimethyl propane diamine concentration analysis device.
Background
Dimethylpropylenediamine is a chemical substance of formula C5H14N2, molecular weight 102.18, generally not hazardous to water and, if not specifically approved, does not discharge the material into the surrounding environment.
Generally, when the concentration of the dimethyl propylene diamine is analyzed and detected, a cation chromatographic column, a sulfuric acid leacheate, a conductive ion chromatography and the like are generally adopted to determine the content of the dimethyl propylene diamine, the method is simple and convenient, and the detection is rapid. In the process of detecting the concentration of the dimethyl propylene diamine, links such as reagent selection, solution preparation and the like are generally included, wherein during the solution preparation, the existing method generally adopts manual sampling of the dimethyl propylene diamine, and the method can not control the consistency of each sampling, so that the sampling accuracy is reduced, and the detection and analysis of the concentration of the dimethyl propylene diamine are further influenced.
Therefore, it is necessary to provide a device for analyzing the concentration of dimethylpropylenediamine to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dimethyl propylene diamine concentration analysis device, when having solved the manual work and having taken a sample to dimethyl propylene diamine, the uniformity of unable control at every turn taking a sample for the degree of accuracy of sample descends, and then influences the detection and analysis's of dimethyl propylene diamine concentration problem.
In order to solve the technical problem, the utility model provides a pair of dimethyl propylene diamine concentration analysis device includes: an operation table;
the bottom ends of the two support rods are fixed on two sides of the top of the operating platform, and a top plate is fixedly connected between the top ends of the two support rods;
the adjusting assembly is arranged at the bottom of the top plate and comprises two mounting blocks, and a sliding rod is fixedly connected between opposite sides of the two mounting blocks;
the quantitative device is arranged on the slide bar and comprises an electric telescopic rod, the electric telescopic rod is connected to the outer surface of the slide bar in a sliding mode through a slide block, the two sides of the electric telescopic rod are fixedly connected with L-shaped plates, the bottoms of the two L-shaped plates are fixedly connected with a needle cylinder through connecting blocks, the bottom end of the electric telescopic rod penetrates through the needle cylinder and extends into the needle cylinder, one end, extending into the needle cylinder, of the electric telescopic rod is fixedly connected with a rubber pad, the two sides of the rubber pad are connected to the two sides in the needle cylinder in a sliding mode, and limiting blocks are arranged on the two sides of the interior of the needle cylinder;
and the top of the suction head is communicated with the inside of the needle cylinder.
Preferably, the top of the operating platform is fixedly connected with a connecting plate, the connecting plate is rotatably connected with a screw rod through a square block, and one end of the screw rod is provided with a nut.
Preferably, the outer surface of the screw rod is in threaded connection with a threaded plate, one side of the threaded plate is fixedly connected with a placing plate, and the top of the placing plate is in contact with a material barrel.
Preferably, both sides of the bottom of the operating platform are fixedly connected with supporting legs, the bottoms of the supporting legs are in contact with the ground, and the operating platform is parallel to the ground.
Preferably, the top of the operation table is provided with a test box;
the concentration of the dimethyl propane diamine in the experimental box is analyzed and detected:
chromatographic conditions are as follows: 4mmol/L sulfuric acid is used as eluent, the flow rate is 0.9mL/min, a Metrosep C4-150 cation chromatographic column and an electric conductivity detector are adopted;
ion chromatography: dimethyl propane Diamine (DMAPA) is one of basic raw materials for synthesizing various surfactants, and is widely applied to the preparation of cosmetic raw materials such as palmitamide dimethyl propylamine, cocamidopropyl betaine and the like. The product can be applied to shampoo, shower gel and other daily chemical products;
the content of the dimethyl propane diamine is measured by adopting a cation chromatographic column, sulfuric acid leacheate and conductive ion chromatography, the method is simple and convenient, the detection is rapid, and the method can be used for accurate quantification of DMAPA;
experimental part: 1. the apparatus 883compact pro type ion chromatography (Wantong, Switzerland), Millpore ultra pure water machine. 2. Reagent and sample sulfuric acid, water is ultrapure water, a dimethyl propylene diamine reference substance (10g/L)3, a chromatographic condition separation column: metrosep C4-150 protected column: metrosep C4 Guard rinse: flow rate of 4mmol/L sulfuric acid: 0.9mL/min Detector: sample introduction volume of the conductivity detector: preparing a reference stock solution by 10 mu L of 2.4 solution, precisely measuring 1mL of a dimethyl propylene diamine reference, placing the reference stock solution in a 100mL volumetric flask, adding water to dissolve the reference stock solution and diluting the reference stock solution to a scale mark to obtain a reference stock solution (100 mg/L);
by observing the conditions on the chromatographic column, the change conditions of the dimethyl propylene diamine under different concentrations are obtained, and then the concentration of the dimethyl propylene diamine is analyzed.
Preferably, the other side of the thread plate is slidably connected to the connecting plate.
Preferably, the top of the electric telescopic rod is slidably connected to the bottom of the top plate.
Compared with the prior art, the utility model provides a pair of dimethyl propylene diamine concentration analysis device has following beneficial effect:
the utility model provides a pair of dimethyl propylene diamine concentration analysis device can realize the quantitative extraction to dimethyl propylene diamine, has not only improved the degree of accuracy to dimethyl propylene diamine quantitative extraction, still makes the extraction to dimethyl propylene diamine more convenient, need not the manual work and operates, has avoided the trouble of artifical extraction, convenient and fast, easy operation, and then has also accelerated the speed to dimethyl propylene diamine concentration analysis detection, further embodied the device's practicality.
Drawings
Fig. 1 is a schematic diagram of a preferred overall structure of a dimethylpropanediamine concentration analysis apparatus provided by the present invention;
FIG. 2 is a schematic view of the overall structure of the syringe shown in FIG. 1;
fig. 3 is a bottom view of the syringe shown in fig. 1.
Reference numbers in the figures: 1. the device comprises an operation table, 2, a support rod, 3, a top plate, 4, an adjusting component, 41, an installation block, 42, a sliding rod, 5, a quantifying device, 51, an electric telescopic rod, 52, an L-shaped plate, 53, a needle cylinder, 54, a rubber pad, 55, a limiting block, 6, a suction head, 7, a connecting plate, 8, a screw rod, 9, a nut, 10, a threaded plate, 11, a placing plate, 12, a material barrel, 13, a supporting leg, 14 and an experiment box.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic diagram of a preferred overall structure of a dimethylpropylene diamine concentration analysis apparatus according to the present invention; FIG. 2 is a schematic view of the overall structure of the syringe shown in FIG. 1; fig. 3 is a bottom view of the syringe shown in fig. 1. A dimethylpropylenediamine concentration analysis device comprises:
an operation table 1;
the bottom ends of the two support rods 2 are fixed on two sides of the top of the operating platform 1, and a top plate 3 is fixedly connected between the top ends of the two support rods 2;
the adjusting assembly 4 is arranged at the bottom of the top plate 3, the adjusting assembly 4 comprises two mounting blocks 41, and a sliding rod 42 is fixedly connected between opposite sides of the two mounting blocks 41;
the quantitative device 5 is arranged on the sliding rod 42, the quantitative device 5 comprises an electric telescopic rod 51, the electric telescopic rod 51 is connected to the outer surface of the sliding rod 42 in a sliding mode through a sliding block, the two sides of the electric telescopic rod 51 are fixedly connected with L-shaped plates 52, the bottoms of the two L-shaped plates 52 are fixedly connected with needle cylinders 53 through connecting blocks, the bottom ends of the electric telescopic rod 51 penetrate through the needle cylinders 53 and extend to the insides of the needle cylinders 53, one ends of the electric telescopic rod 51 extending to the insides of the needle cylinders 53 are fixedly connected with rubber pads 54, the two sides of the rubber pads 54 are connected to the two sides of the insides of the needle cylinders 53 in a sliding mode, and the two sides of the insides;
a suction head 6, the top of the suction head 6 is communicated with the interior of the needle cylinder 53;
the electric telescopic rod 51 is connected with an external power supply and a control switch;
the electric telescopic rod 51 slides upwards to drive the rubber pad 54 to slide upwards, and the material is sucked by the suction head 6;
the limiting block 55 has the limiting effect, so that the consistency of the material quantity extracted each time is ensured, and the quantitative accuracy is improved.
The top of the operating table 1 is fixedly connected with a connecting plate 7, the connecting plate 7 is connected with a lead screw 8 in a rotating mode through a square block, and one end of the lead screw 8 is provided with a nut 9.
The outer surface threaded connection of lead screw 8 has screw plate 10, one side fixedly connected with of screw plate 10 places board 11, the top of placing board 11 contacts there is material bucket 12.
The both sides of operation panel 1 bottom are all fixedly connected with supporting leg 13, the bottom of supporting leg 13 contacts in ground to operation panel 1 is parallel with ground.
The top of the operation table 1 is provided with a laboratory box 14.
The other side of the thread plate 10 is slidably connected to the connecting plate 7.
The top of the electric telescopic rod 51 is slidably connected to the bottom of the top plate 3.
The utility model provides a pair of dimethyl propylene diamine concentration analysis device's theory of operation as follows:
the first step is as follows: when the concentration of the dimethyl propane diamine is analyzed, the dimethyl propane diamine is sampled from the material barrel 12, and the concentration of the dimethyl propane diamine is detected in the experiment box 14;
the second step is that: the electric telescopic rod 51 slides leftwards on the sliding rod 42 by pushing the sliding block on the electric telescopic rod 51, the suction head 6 is adjusted to be aligned with the material barrel 12, the electric telescopic rod 51 is started to move downwards to drive the rubber pad 54 to slide downwards in the needle cylinder 53 until the bottom of the inner wall of the needle cylinder 53 is reached, the nut 9 drives the screw rod 8 to rotate by rotating the nut 9, the threaded plate 10 slides upwards on the screw rod 8, and the material in the material barrel 12 is contacted with the suction head 6;
the third step: by starting the electric telescopic rod 51 again, the rubber pad 54 on the electric telescopic rod 51 slides upwards in the needle cylinder 53, the material in the material barrel 12 is pumped into the needle cylinder 53, and when the rubber pad 54 slides to the two limit blocks 55, the rubber pad 54 continues to pump the material, so that the material is pumped;
the fourth step: by sliding the electric telescopic rod 51, the needle cylinder 53 is driven to slide rightwards on the slide rod 42, and the material in the needle cylinder 53 is dropped into the experimental box 14 for concentration analysis and detection.
Compared with the prior art, the utility model provides a pair of dimethyl propylene diamine concentration analysis device has following beneficial effect:
when the concentration of the dimethyl propane diamine is analyzed, the dimethyl propane diamine is sampled from the material barrel 12, and the concentration of the dimethyl propane diamine is detected in the experiment box 14;
the electric telescopic rod 51 slides leftwards on the sliding rod 42 by pushing the sliding block on the electric telescopic rod 51, the suction head 6 is adjusted to be aligned with the material barrel 12, the electric telescopic rod 51 is started to move downwards to drive the rubber pad 54 to slide downwards in the needle cylinder 53 until the bottom of the inner wall of the needle cylinder 53 is reached, the nut 9 drives the screw rod 8 to rotate by rotating the nut 9, the threaded plate 10 slides upwards on the screw rod 8, and the material in the material barrel 12 is contacted with the suction head 6;
by starting the electric telescopic rod 51 again, the rubber pad 54 on the electric telescopic rod 51 slides upwards in the needle cylinder 53, the material in the material barrel 12 is pumped into the needle cylinder 53, and when the rubber pad 54 slides to the two limit blocks 55, the rubber pad 54 continues to pump the material, so that the material is pumped;
the electric telescopic rod 51 is slid to drive the needle cylinder 53 to slide rightwards on the sliding rod 42, and the material in the needle cylinder 53 is dropped into the experimental box 14 for concentration analysis and detection;
the device can realize the quantitative extraction to dimethyl propylene diamine, has not only improved the degree of accuracy to dimethyl propylene diamine quantitative extraction, still makes the extraction to dimethyl propylene diamine more convenient, need not the manual work and operates, has avoided the trouble of artifical extraction, convenient and fast, easy operation, and then has also accelerated the speed to dimethyl propylene diamine concentration analysis detection, further embodies the device's practicality.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. A dimethylpropylenediamine concentration analysis device, comprising:
an operation table;
the bottom ends of the two support rods are fixed on two sides of the top of the operating platform, and a top plate is fixedly connected between the top ends of the two support rods;
the adjusting assembly is arranged at the bottom of the top plate and comprises two mounting blocks, and a sliding rod is fixedly connected between opposite sides of the two mounting blocks;
the quantitative device is arranged on the slide bar and comprises an electric telescopic rod, the electric telescopic rod is connected to the outer surface of the slide bar in a sliding mode through a slide block, the two sides of the electric telescopic rod are fixedly connected with L-shaped plates, the bottoms of the two L-shaped plates are fixedly connected with a needle cylinder through connecting blocks, the bottom end of the electric telescopic rod penetrates through the needle cylinder and extends into the needle cylinder, one end, extending into the needle cylinder, of the electric telescopic rod is fixedly connected with a rubber pad, the two sides of the rubber pad are connected to the two sides in the needle cylinder in a sliding mode, and limiting blocks are arranged on the two sides of the interior of the needle cylinder;
and the top of the suction head is communicated with the inside of the needle cylinder.
2. The device for analyzing the concentration of dimethyl propane diamine as claimed in claim 1, wherein a connecting plate is fixedly connected to the top of the operation table, the connecting plate is rotatably connected with a screw rod through a square block, and a nut is arranged at one end of the screw rod.
3. The device for analyzing the concentration of dimethyl propylene diamine according to claim 2, wherein a screw plate is connected to the outer surface of the screw rod in a threaded manner, a placing plate is fixedly connected to one side of the screw plate, and a material barrel is in contact with the top of the placing plate.
4. The device for analyzing the concentration of dimethylpropylenediamine according to claim 1, wherein support legs are fixedly connected to both sides of the bottom of the console, the bottoms of the support legs are in contact with the ground, and the console is parallel to the ground.
5. The dimethylpropylenediamine concentration analysis apparatus according to claim 1, wherein a laboratory box is provided on the top of said operation table.
6. The dimethylpropylenediamine concentration analyzer according to claim 3, wherein the other side of said screw plate is slidably attached to said connection plate.
7. The dimethylpropanediamine concentration assay device of claim 1, wherein said top of said electrical extension pole is slidably attached to the bottom of said top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020598928.5U CN212410526U (en) | 2020-04-21 | 2020-04-21 | Dimethyl propane diamine concentration analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020598928.5U CN212410526U (en) | 2020-04-21 | 2020-04-21 | Dimethyl propane diamine concentration analysis device |
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| Publication Number | Publication Date |
|---|---|
| CN212410526U true CN212410526U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020598928.5U Active CN212410526U (en) | 2020-04-21 | 2020-04-21 | Dimethyl propane diamine concentration analysis device |
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| Country | Link |
|---|---|
| CN (1) | CN212410526U (en) |
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- 2020-04-21 CN CN202020598928.5U patent/CN212410526U/en active Active
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