CN210237506U - Uronic acid automatic reduction device - Google Patents
Uronic acid automatic reduction device Download PDFInfo
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- CN210237506U CN210237506U CN201921159550.2U CN201921159550U CN210237506U CN 210237506 U CN210237506 U CN 210237506U CN 201921159550 U CN201921159550 U CN 201921159550U CN 210237506 U CN210237506 U CN 210237506U
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Abstract
The utility model provides an uronic acid automatic reduction device, which comprises a pH controller, a pH probe, a first liquid adding pump, a second liquid adding pump, a reaction container, an electromagnetic stirrer, an alkali liquor container and an acid liquor container; the pH controller is connected with a pH probe through a wire, the pH probe is arranged in the reaction container and used for measuring the pH value of a reaction solution in the reaction container, a first speed regulating switch used for controlling a first liquid adding pump and a second speed regulating switch used for controlling a second liquid adding pump are arranged in the pH controller, the input end of the first liquid adding pump is communicated with the alkali liquor container through a first pipeline, the output end of the first liquid adding pump is communicated with the reaction container through a second pipeline, the input end of the second liquid adding pump is communicated with the acid liquor container through a third pipeline, the output end of the second liquid adding pump is communicated with the reaction container through a fourth pipeline, and the reaction container is placed on an electromagnetic stirrer. Adopt the utility model provides a device can the accurate control pH value when reacting.
Description
Technical Field
The utility model relates to an uronic acid reduces technical field, concretely relates to uronic acid automatic reduction device.
Background
The acidic polysaccharide is widely present in various animals, plants and microorganisms, and not only has various types and unique structures, but also has wide biological activity. Most of the structures of the acidic polysaccharides contain uronic acid and sulfate, and the type, the connection mode, the content and the like of the uronic acid can directly influence the biological activity of the acidic polysaccharides. In order to research the structure of polysaccharide, polysaccharide needs to be hydrolyzed to determine the composition and content of monosaccharide, but uronic acid in acidic polysaccharide is difficult to hydrolyze, and partially methylated sugar alcohol derivatives of uronic acid are difficult to obtain signals in GCMS analysis, which limits the structural analysis of uronic acid polysaccharide to a certain extent, and the main method for solving the problem is to reduce the carboxyl part of uronic acid and then perform structural analysis. Although the number of commonly used methods for reducing carboxyl groups is large, most methods for reducing the carboxyl group of uronic acid are less accurate and efficient.
SUMMERY OF THE UTILITY MODEL
In view of the above circumstances, the utility model provides an uronic acid automatic reduction device can realize accurate and the quick control of reaction solution pH value, and then reduces the carboxyl of uronic acid more accurately, high-efficiently.
In order to achieve the above object, the utility model discloses an uronic acid automatic reduction device, include: the device comprises a pH controller, a pH probe, a first liquid adding pump, a second liquid adding pump, a reaction container, an electromagnetic stirrer, an alkali liquor container and an acid liquor container; the pH controller is connected with the pH probe through an electric wire and used for receiving a pH value measured by the pH probe, the pH probe is arranged in the reaction container and used for measuring a pH value of a reaction solution in the reaction container, a first speed regulating switch used for controlling the first liquid adding pump and a second speed regulating switch used for controlling the second liquid adding pump are arranged in the pH controller, the input end of the first liquid adding pump is communicated with the alkali liquor container through a first pipeline, the output end of the first liquid adding pump is communicated with the reaction container through a second pipeline, the input end of the second liquid adding pump is communicated with the acid liquor container through a third pipeline, the output end of the second liquid adding pump is communicated with the reaction container through a fourth pipeline, and the reaction container is arranged on the electromagnetic stirrer.
The beneficial effects of the utility model reside in that: compared with the prior art that the pH value required by the reduction reaction can not be accurately controlled by manual operation, the device can realize the accurate control of the pH value and ensure the reduction efficiency of uronic acid; meanwhile, compared with the time and labor consumption of manual reagent adding reduction, the automatic adjustment saves time and labor cost; the uniform mixing of the reaction solution can be rapidly realized by adopting an electromagnetic stirrer.
The utility model relates to an uronic acid automatic reduction device's further improvement lies in, still includes the defoaming container, contain isoamyl alcohol in the defoaming container, the defoaming container through the third liquid feeding pump connect in reaction vessel. When foams are generated in the process of the automatic reduction reaction of uronic acid, isoamylol is pumped into the reaction vessel through a third liquid adding pump to realize defoaming.
The utility model relates to a uronic acid automatic reduction device's further improvement lies in, including at least one alkali lye container and at least one the acidizing fluid container, each the alkali lye container pairs one first liquid feeding pump, each the acidizing fluid container pairs one the second liquid feeding pump.
The utility model relates to a uronic acid automatic reduction device's further improvement lies in, the pH controller chooses for use the pH controller of U-pH3-LCCN1 model
The utility model relates to a uronic acid automatic reduction device's further improvement lies in, first liquid feeding pump with the second liquid feeding pump chooses for use HL series digital display rotational speed constant flow pump and/or for AP0010 analysis type high-pressure infusion pump.
Drawings
Fig. 1 is a schematic structural diagram of an uronic acid automatic reduction device according to the present invention.
Detailed Description
To facilitate understanding of the present invention, the following description is made with reference to the accompanying drawings and examples.
Referring to fig. 1, the utility model discloses an uronic acid automatic reduction device, which comprises a pH controller 1, a pH probe 2 electrically connected to the pH controller 1, a first liquid adding pump 3, a second liquid adding pump 4, a reaction vessel 5, an electromagnetic stirrer 6 for automatically electromagnetically stirring the solution in the reaction vessel 5, an alkaline solution container 7 for containing an alkaline solution, and an acid solution container 8 for containing an acidic solution; specifically, a pH controller 1 is connected with a pH probe 2 through an electric wire and is used for receiving a pH value measured by the pH probe 2, a first speed regulating switch used for controlling a first liquid adding pump 3 and a second speed regulating switch used for controlling a second liquid adding pump 4 are arranged in the pH controller 1, the pH probe 2 is arranged in a reaction container 5 and is used for measuring the pH value of a reaction solution in the reaction container 5 and feeding back the measured pH value to the pH controller 1 in real time, the input end of the first liquid adding pump 3 is communicated with an alkali liquor container 7 through a first pipeline, the output end of the first liquid adding pump 3 is communicated with the reaction container 5 through a second pipeline, and the alkali liquor is added into the reaction container 5 through the first liquid adding pump 3; the input end of the second liquid adding pump 4 is communicated with the acid liquid container 8 through a third pipeline, the output end of the second liquid adding pump 4 is communicated with the reaction container 5 through a fourth pipeline, and an acid solution is added into the reaction container 5 through the second liquid adding pump 4; the reaction vessel 5 is placed on the electromagnetic stirrer 6, the solution in the reaction vessel 5 is electromagnetically stirred through the electromagnetic stirrer 6, and compared with manual stirring, the stirring efficiency is higher, and the stirring uniformity is better.
Preferably, the device further comprises a defoaming container, wherein isoamylol is contained in the defoaming container, and the defoaming container is connected to the reaction container 5 through a third liquid adding pump. When foams are generated in the process of the automatic reduction reaction of uronic acid, isoamylol is pumped into the reaction vessel 5 through a third liquid adding pump to realize defoaming.
In the utility model, the device comprises at least one alkali liquid container 7 and at least one acid liquid container 8, wherein each alkali liquid container 7 is paired with a first liquid adding pump 3, and each acid liquid container 8 is paired with a second liquid adding pump 4.
In the utility model, the pH controller 1 is a U-PH3-LCCN1 type pH controller 1 (a built-in speed regulation switch); the first liquid adding pump 3 and the second liquid adding pump 4 adopt HL series digital display rotating speed constant flow pumps and/or AP0010 analysis type high-pressure infusion pumps. The HL series digital display rotating speed constant flow pump specifically comprises HL-2, HL-25, HL-18 and HL-1D, HL-2D type constant flow pumps.
In the utility model, the alkali liquor container 7 contains sodium borohydride solution, and the acid liquor container 8 contains hydrochloric acid solution.
Adopt the utility model relates to an uronic acid automatic reduction device carries out the theory of operation that uronic acid reduced: when reducing uronic acid, a pH value or a pH range value is set on the pH controller 1 according to the requirements of reduction experiments, and then the dynamic pH value of the solution in the reaction vessel 5 is detected by the pH probe 2 to adjust the start (including the opening size to adjust the flow rate) and stop of the first liquid adding pump 3 and the second liquid adding pump 4, so as to accurately control the required reaction pH value, and meanwhile, the solution in the reaction vessel 5 is electromagnetically stirred by the electromagnetic stirrer 6, thereby ensuring the uniformity of stirring.
Specifically, a pH range value is set to be 4.65-4.75 on a pH controller 1, a first liquid adding pump 3 is controlled to continuously pump sodium borohydride into a reaction container 5 through a first speed regulating switch, when the pH value detected by a pH probe 2 is larger than 4.75, a second liquid adding pump 4 is controlled to be started through a second speed regulating switch, hydrochloric acid is intermittently pumped into the reaction container 5, the pH range value is controlled to be 4.65-4.75, hydrogen generated by the reaction of the hydrochloric acid and the hydrochloric acid is reduced, and when the uronic acid is reduced, carbodiimide is used for playing a catalytic role to activate the carboxyl of the uronic acid.
The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the above preferred embodiments, but the present invention is not limited to the above embodiments, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, but all the technical matters of the present invention are within the scope of the technical solution of the present invention.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the range that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention.
Claims (5)
1. An uronic acid automatic reduction device, which is characterized in that: comprises a pH controller, a pH probe, a first liquid adding pump, a second liquid adding pump, a reaction container, an electromagnetic stirrer, an alkali liquor container and an acid liquor container; the pH controller is connected with the pH probe through an electric wire and used for receiving a pH value measured by the pH probe, the pH probe is arranged in the reaction container and used for measuring a pH value of a reaction solution in the reaction container, a first speed regulating switch used for controlling the first liquid adding pump and a second speed regulating switch used for controlling the second liquid adding pump are arranged in the pH controller, the input end of the first liquid adding pump is communicated with the alkali liquor container through a first pipeline, the output end of the first liquid adding pump is communicated with the reaction container through a second pipeline, the input end of the second liquid adding pump is communicated with the acid liquor container through a third pipeline, the output end of the second liquid adding pump is communicated with the reaction container through a fourth pipeline, and the reaction container is arranged on the electromagnetic stirrer.
2. The apparatus according to claim 1, wherein: the device comprises at least one alkali liquor container and at least one acid liquor container, wherein each alkali liquor container is matched with one first liquid adding pump, and each acid liquor container is matched with one second liquid adding pump.
3. The apparatus according to claim 1, wherein: still include the defoaming container, the isoamyl alcohol is contained in the defoaming container, the defoaming container passes through the third filling pump and connects in the reaction vessel.
4. The apparatus according to claim 1, wherein: the pH controller is U-pH3-LCCN 1.
5. The apparatus according to claim 1, wherein: the first liquid adding pump and the second liquid adding pump are HL series digital display rotating speed constant flow pumps and/or AP0010 analysis type high-pressure infusion pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921159550.2U CN210237506U (en) | 2019-07-23 | 2019-07-23 | Uronic acid automatic reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921159550.2U CN210237506U (en) | 2019-07-23 | 2019-07-23 | Uronic acid automatic reduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210237506U true CN210237506U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921159550.2U Active CN210237506U (en) | 2019-07-23 | 2019-07-23 | Uronic acid automatic reduction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210237506U (en) |
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2019
- 2019-07-23 CN CN201921159550.2U patent/CN210237506U/en active Active
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