CN205995451U - A kind of 4,6 dihydroxy-pyrimidine continuously acidizing systems - Google Patents
A kind of 4,6 dihydroxy-pyrimidine continuously acidizing systems Download PDFInfo
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- CN205995451U CN205995451U CN201620963869.0U CN201620963869U CN205995451U CN 205995451 U CN205995451 U CN 205995451U CN 201620963869 U CN201620963869 U CN 201620963869U CN 205995451 U CN205995451 U CN 205995451U
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- kettle
- hydrochloric acid
- acidifying
- controller
- regulating valve
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Abstract
The utility model discloses a kind of 4,6 dihydroxy-pyrimidine continuously acidizing systems, belong to technical field of chemical.Concrete system includes controller, acidifying kettle and hydrochloric acid kettle, hydrochloric acid kettle discharging opening connects acidifying kettle hydrochloric acid feed pipe, acidifying kettle is connected with reactant liquor feed pipe, the upper end of acidifying kettle is provided with online pH meter, acidifying kettle hydrochloric acid automatic regulating valve is provided with acidifying kettle hydrochloric acid feed pipe, the signal output part of pH meter is connected with controller, and the control end of controller is connected with the controlled end of acidifying kettle hydrochloric acid automatic regulating valve.Reactant liquor and hydrochloric acid can feed simultaneously, reach continuously acidizing, produce continuous all the time, the time-consuming efficiency improving acidifying.Detect the pH value of reactant liquor using online pH meter, replace manual sampling detection, can reduce the labor intensity of workman, protection workman is healthy, is capable of monitor in real time again.
Description
Technical field
This utility model belongs to chemical equipment technical field, is related to a kind of 4,6- dihydroxy-pyrimidine continuously acidizing system.
Background technology
Pyrimidine heterocyclic, as a kind of important biological endogenous material, is widely present in organism and participates in vital movement.Phonetic
Pyridine class compound is a class nitrogen-containing heterocycle compound, and its structure is special, has antifungal, the effect of promotion plant growth regulating,
Can be used for preparing Insecticides (tech) ＆ Herbicides (tech) and antibacterial etc..4,6- dihydroxy-pyrimidines are the important centres of synthesis pyrimidines
Body, is used for producing the sulfa drugss such as sulfamonomethoxine, sulfamonomethoxine, 4,6- dihydroxy is phonetic simultaneously in medical industry
Pyridine is also the intermediate of adenine phosphate, antineoplastic agent and assisted class.
In the acidization of existing production technology, it is to be acidified using interval mostly, one-pot acidifying needs discharge again again
Acidifying, acidificatoin time is long, and acidifying kettle used is many, and quality is unstable；Furthermore acidization needs repeated detection material liquid pH value, according to
Manual sampling, increased the labor intensity of workman, and has acidic smell and emerge, and pollution environment and harm workman's body are good for
Health.
Utility model content
This utility model, in order to solve the above problems, devise a kind of 4,6- dihydroxy-pyrimidine continuously acidizing system, adopts
Online pH meter replaces manual sampling, reduces labor strength, reduces environmental pollution, improves the quality of product.
To achieve these goals, the technological means that this utility model is taken are：System includes controller, acidifying kettle
With hydrochloric acid kettle, hydrochloric acid kettle discharging opening connection acidifying kettle hydrochloric acid feed pipe, acidifying kettle is connected with reactant liquor feed pipe, is acidified the upper of kettle
End is provided with online pH meter, and acidifying kettle hydrochloric acid feed pipe is provided with acidifying kettle hydrochloric acid automatic regulating valve, the signal output of pH meter
End is connected with controller, and the control end of controller is connected with the controlled end of acidifying kettle hydrochloric acid automatic regulating valve.
Charging automatic regulating valve is provided with described reactant liquor feed pipe, acidifying kettle is additionally provided with acidifying kettle and weighs list
Unit, the signal output part of acidifying kettle weighing unit is connected with controller, and the control end of controller is subject to charging automatic regulating valve
Control end connects.
Hydrochloric acid kettle weighing unit, the salt with hydrochloric acid kettle hydrochloric acid regulating valve being connected with hydrochloric acid kettle is also included in described system
Sour main pipeline, the signal output part of hydrochloric acid kettle weighing unit is connected with controller, and the control end of controller is adjusted with hydrochloric acid kettle hydrochloric acid
The controlled end of section valve connects.
Pressure transmitter, the compressed air inlet pipe with compressed air regulating valve are additionally provided with described hydrochloric acid kettle,
The signal output part of pressure transmitter is connected with controller, and the control end of controller is connected with the controlled end of compressed air regulating valve
Connect.
Described hydrochloric acid kettle kettle is sealing structure.
It is additionally provided with stirring paddle, frequency conversion speed-down machine is connected with stirring paddle in described acidifying kettle.
Described acidifying kettle weighing unit includes Weighing module and display, and the outfan of Weighing module is defeated with controller
Enter end to connect, the outfan of the input side controller of display is connected.
Described hydrochloric acid kettle weighing unit includes Weighing module, display, and the outfan of Weighing module is defeated with controller
Enter end to be connected, the input of display is connected with the outfan of controller.
The beneficial effects of the utility model are：Hydrochloric acid charging is by acidifying kettle hydrochloric acid automatic regulating valve control, reactant liquor and salt
Acid can feed simultaneously, reaches continuously acidizing, produces continuous all the time, the time-consuming efficiency improving acidifying.Online pH meter and acidifying
Kettle hydrochloric acid automatic regulating valve is interlocked, and controls when reacting liquid pH value is more than setting value and opens acidifying kettle hydrochloric acid automatic regulating valve, makes
PH stable, in setting value, detects the pH value of reactant liquor using online pH meter, replaces manual sampling detection, can reduce workman's
Labor intensity, protection workman is healthy, is capable of monitor in real time again.
Brief description
Fig. 1 is structural representation of the present utility model.
In figure, 1, reactant liquor feed pipe, 2, charging automatic regulating valve, 3, acidifying kettle, 4, acidifying kettle weighing unit, 5, acidifying
Kettle hydrochloric acid automatic regulating valve, 6, pH meter, 7, acidifying kettle hydrochloric acid feed pipe, 8, compressed air inlet pipe, 9, compressed air regulating valve,
10th, pressure transmitter, 11, hydrochloric acid main pipeline, 12, hydrochloric acid kettle hydrochloric acid regulating valve, 13, hydrochloric acid kettle weighing unit, 14, hydrochloric acid kettle.
Specific embodiment
This utility model is, a kind of 4,6- dihydroxy-pyrimidine continuously acidizing system, and system includes controller, is acidified kettle 3
With hydrochloric acid kettle 14, hydrochloric acid kettle 14 discharging opening is connected acidifying kettle hydrochloric acid feed pipe 7, is acidified kettle 3 and is connected with reactant liquor feed pipe 1, sour
The upper end changing kettle 3 is provided with online pH meter 6, and acidifying kettle hydrochloric acid feed pipe 7 is provided with acidifying kettle hydrochloric acid automatic regulating valve 5, pH
The signal output part of meter 6 is connected with controller, and the control end of controller is connected with the controlled end of acidifying kettle hydrochloric acid automatic regulating valve 5
Connect.
With specific embodiment, this utility model is described further below in conjunction with the accompanying drawings.
Specific embodiment, as shown in figure 1, hydrochloric acid charging is controlled by acidifying kettle hydrochloric acid automatic regulating valve 5, reactant liquor and hydrochloric acid
Can feed simultaneously, reach continuously acidizing, produce continuous all the time, the time-consuming efficiency improving acidifying.Detected using online pH meter 6
The pH value of reactant liquor, replaces manual sampling detection, can reduce the labor intensity of workman, and protection workman is healthy, can again
Realize monitor in real time.
Charging automatic regulating valve 2 is provided with described reactant liquor feed pipe 1, acidifying kettle 3 is additionally provided with acidifying kettle and claims
Weight unit 4, the signal output part of acidifying kettle weighing unit 4 is connected with controller, and the control end of controller and charging automatically adjust
The controlled end of valve 2 connects.Real-time detection is acidified the weight of reactant liquor in kettle 3, makes acidifying kettle 3 weight stable in setting value；
The hydrochloric acid kettle weighing unit 13 that also includes in described system being connected with hydrochloric acid kettle 14, carry hydrochloric acid kettle hydrochloric acid regulating valve
12 hydrochloric acid main pipeline 11, the signal output part of hydrochloric acid kettle weighing unit 13 is connected with controller, the control end of controller and salt
The controlled end of sour kettle hydrochloric acid regulating valve 12 connects, and so that the weight of hydrochloric acid kettle 14 is stablized in setting value.
Pressure transmitter 10 is additionally provided with described hydrochloric acid kettle 14, the compressed air with compressed air regulating valve 9 is entered
Trachea 8, the signal output part of pressure transmitter 10 is connected with controller, the control end of controller and compressed air regulating valve 9
Controlled end connects.Make in hydrochloric acid kettle 14 pressure stability in setting value.
Described acidifying kettle weighing unit 4 includes Weighing module and display, the outfan of Weighing module and controller
Input connects, and the outfan of the input side controller of display is connected.Described hydrochloric acid kettle weighing unit 13 includes weighing
Module, display, the outfan of Weighing module is connected with the input of controller, and the input of display is defeated with controller
Go out end to be connected.Using weighing unit, can intuitively observe liquid level in kettle makes material be at steady statue, thus obtaining
Steady quality, the product of high yield.
Simultaneously using weighing and voltage-stabilizing system, make acidization more steady, change fluctuation is less, more accurate, product quality
More stable.
Described hydrochloric acid kettle 14 kettle is sealing structure, lining stone ink material, it is to avoid HCl gas volatilization leaks, and causes air
Pollution, harm workman is healthy.It is additionally provided with stirring paddle, frequency conversion speed-down machine is connected with stirring paddle in described acidifying kettle 3.
Stirring paddle stirring makes reactant mix homogeneously, accelerates acidification reaction.
Acidifying kettle kettle internal layer lining stone ink, outer layer are stainless steel, and described pH meter 6 includes electrode and controller, electricity
Pole outfan is connected with controller input, and the outfan of controller is connected with acidifying kettle hydrochloric acid automatic regulating valve 5.PH meter
6 have acidproof sheath, prevent hcl corrosion.Hydrochloric acid pipeline is steel lining polyethylene pipeline, corrosion-resistant compression resistance.
Claims (8)
1. one kind 4,6- dihydroxy-pyrimidine continuously acidizing system, the system is with 4,6- dihydroxy-pyrimidine reactant liquor feed pipe (1) even
Connect it is characterised in that：System includes controller, acidifying kettle (3) and hydrochloric acid kettle (14), and hydrochloric acid kettle (14) discharging opening connects acidifying
Kettle hydrochloric acid feed pipe (7), acidifying kettle (3) is connected with reactant liquor feed pipe (1), and the upper end of acidifying kettle (3) is provided with online pH meter
(6), acidifying kettle hydrochloric acid feed pipe (7) is provided with acidifying kettle hydrochloric acid automatic regulating valve (5), the signal output part of pH meter (6) with
Controller connects, and the control end of controller is connected with the controlled end of acidifying kettle hydrochloric acid automatic regulating valve (5).
2. a kind of 4,6- dihydroxy-pyrimidine continuously acidizing system according to claim 1 it is characterised in that：Described reaction
Charging automatic regulating valve (2) is provided with liquid feed pipe (1), acidifying kettle (3) is additionally provided with acidifying kettle weighing unit (4), acid
The signal output part changing kettle weighing unit (4) is connected with controller, and the control end of controller is subject to charging automatic regulating valve (2)
Control end connects.
3. a kind of 4,6- dihydroxy-pyrimidine continuously acidizing system according to claim 1 it is characterised in that：In described system
Also include hydrochloric acid kettle weighing unit (13), the hydrochloric acid supervisor with hydrochloric acid kettle hydrochloric acid regulating valve (12) being connected with hydrochloric acid kettle (14)
Road (11), the signal output part of hydrochloric acid kettle weighing unit (13) is connected with controller, the control end of controller and hydrochloric acid kettle hydrochloric acid
The controlled end of regulating valve (12) connects.
4. a kind of 4,6- dihydroxy-pyrimidine continuously acidizing system according to claim 1 it is characterised in that：Described hydrochloric acid
Pressure transmitter (10), the compressed air inlet pipe (8) with compressed air regulating valve (9), pressure are additionally provided with kettle (14)
The signal output part of transmitter (10) is connected with controller, the controlled end of the control end of controller and compressed air regulating valve (9)
Connect.
5. a kind of 4,6- dihydroxy-pyrimidine continuously acidizing system according to claim 1 it is characterised in that：Described hydrochloric acid
Kettle (14) kettle is sealing structure.
6. a kind of 4,6- dihydroxy-pyrimidine continuously acidizing system according to claim 1 it is characterised in that：Described acidifying
It is additionally provided with stirring paddle, frequency conversion speed-down machine is connected with stirring paddle in kettle (3).
7. a kind of 4,6- dihydroxy-pyrimidine continuously acidizing system according to claim 2 it is characterised in that：Described acidifying
Kettle weighing unit (4) includes Weighing module and display, and the outfan of Weighing module is connected with the input of controller, display
Input side controller outfan be connected.
8. a kind of 4,6- dihydroxy-pyrimidine continuously acidizing system according to claim 3 it is characterised in that：Described hydrochloric acid
Kettle weighing unit (13) includes Weighing module, display, and the outfan of Weighing module is connected with the input of controller, display
The input of device is connected with the outfan of controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620963869.0U CN205995451U (en) | 2016-08-29 | 2016-08-29 | A kind of 4,6 dihydroxy-pyrimidine continuously acidizing systems |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620963869.0U CN205995451U (en) | 2016-08-29 | 2016-08-29 | A kind of 4,6 dihydroxy-pyrimidine continuously acidizing systems |
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| CN205995451U true CN205995451U (en) | 2017-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108285426A (en) * | 2017-10-30 | 2018-07-17 | 赵君 | A kind of continuously acidizing device and its technique |
-
2016
- 2016-08-29 CN CN201620963869.0U patent/CN205995451U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108285426A (en) * | 2017-10-30 | 2018-07-17 | 赵君 | A kind of continuously acidizing device and its technique |
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