CN206638641U - A kind of titration system - Google Patents
A kind of titration system Download PDFInfo
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- CN206638641U CN206638641U CN201720090950.7U CN201720090950U CN206638641U CN 206638641 U CN206638641 U CN 206638641U CN 201720090950 U CN201720090950 U CN 201720090950U CN 206638641 U CN206638641 U CN 206638641U
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- titrating solution
- titration system
- titrating
- purging
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Abstract
The utility model discloses a kind of titration system, including control centre, titrating solution storage pool, reaction tank, titrating solution stream and the first flow controller being arranged on the titrating solution stream, the entrance of the titrating solution stream connects with the titrating solution storage pool, the reaction tank is led in the outlet of the titrating solution stream, simultaneously, also include pure water pond and purging liquid stream road, the entrance on the purging liquid stream road connects with the pure water pond, the outlet on the purging liquid stream road is towards the outlet of the titrating solution stream, second flow controller is additionally provided with the purging liquid stream road, the control terminal of the first flow controller and second flow controller is connected with the control centre.Compared to existing titration system, titration system of the present utility model can complete the titration operation of half drop or 1/4 drop, so as to reach the requirement accurately titrated, have the advantages of easy to control, automaticity is high, and precision is high.
Description
Technical field
Chemical analysis technology field is the utility model is related to, in particular to a kind of titration system.
Background technology
Titration is a kind of chemistry experiment operating, and a kind of means of quantitative analysis, and it is quantitative anti-by two kinds of solution
The content of certain solute should be determined.The method that general use titrates by hand in the prior art, artificial monitoring titration process, often
Titration process control is inaccurate, causes measurement result error big and inefficient, it is difficult to realizes monitoring in real time.
For the problems such as manual titration efficiency is not high, error is big in the prior art, Application No. 201010508698.X's
Chinese invention patent application discloses a kind of acid ＆ alkali liquid automatic Titration system, and shown in refer to the attached drawing 1, it includes to be measured for containing
The measuring cup 1 of solution, it is placed in the measuring cup 1 to detect the acidity-basicity tester 2 of solution acid alkalinity to be measured, the soda acid
Degree detection means 2 has signal output part to export the signal for the acid-base value that representative detects；Soda acid with titration pipeline 12
Liquid titration cup 3, it is used into measuring cup 1 titrate acid ＆ alkali liquid, and the titration control valve being connected on the titration pipeline 12
4, and there is control terminal；Also include controller 5 simultaneously, its signal output part and titration control valve 4 with acidity-basicity tester 2
Control terminal electrical connection, for opening titration control valve 4 and when the acid-base value signal from acidity-basicity tester 2 that receive
Titration control valve 4 is closed when showing to reach titration end-point.The automatic Titration system by there is provided acidity-basicity tester, so as to
The acid-base value of solution to be measured can be monitored in real time by controller simultaneously and then control the titration of acid ＆ alkali liquid, realize the automatic drip of acid ＆ alkali liquid
It is fixed, manpower is greatlyd save, and the accuracy of titration can be ensured, staff is facilitated application is further analyzed.
But above-mentioned titration system, it is difficult to perform the titration of half drop or a quarter, it is difficult to realize the requirement accurately titrated.
Therefore, the titration precision of titration system how is improved, turns into the technical problem of those skilled in the art's urgent need to resolve.
The content of the invention
In consideration of it, to improve the titration precision of titration system, the utility model proposes a kind of titration system, including in control
The heart, titrating solution storage pool, reaction tank, titrating solution stream and the first flow controller being arranged on the titrating solution stream, institute
The entrance for stating titrating solution stream connects with the titrating solution storage pool, and the reaction tank is led in the outlet of the titrating solution stream,
Meanwhile in addition to pure water pond and purging liquid stream road, the entrance on the purging liquid stream road connected with the pure water pond, the purging liquid
The outlet of stream is additionally provided with second flow controller, institute towards the outlet of the titrating solution stream, described purge on liquid stream road
The control terminal for stating first flow controller and second flow controller is connected with the control centre.
Above-mentioned titration system, it is preferable that also include being arranged at first fluid pump on the titrating solution stream, described the
One fluid pump is located between entrance and the first flow controller of the titrating solution stream, the control of the first fluid pump
End is connected with the control centre.
Above-mentioned titration system, it is preferable that also include the second fluid pump being arranged on the purging liquid stream road, described the
Two fluid pumps are arranged between entrance and the second flow controller on the purging liquid stream road, the control of the second fluid pump
End processed is connected with the control centre.
Above-mentioned titration system, it is preferable that the first fluid pump is constant flow pump, and the second fluid pump is pulse pump.
Above-mentioned titration system, it is preferable that the volume that the pulse pump conveys pure water every time is 1-3mL.
Above-mentioned titration system, it is preferable that the outlet of the titrating solution stream is provided with titrating head, the purging liquid stream road
Outlet be provided with purging head, the purging head is towards the titrating head.
Above-mentioned titration system, it is preferable that magneton is provided with the reaction tank, the bottom of the reaction tank is provided with magnetic
Power agitator.
Above-mentioned titration system, it is preferable that the flow-control scope of first flow controller is 0.5-5mL/min.
Above-mentioned titration system, it is preferable that the control centre include display screen, startup/pause button, stop button,
Exhaust button, flow velocity regulation accelerate button, flow velocity regulation slows down button, half drips button, a quarter drop button and purging button.
Above-mentioned titration system, it is preferable that the display screen is used to show the titration by the first flow controller
The volume of liquid.
Titration system of the present utility model, including control centre, the titrating solution storage pool for storing titrating solution, reaction
Pond, titrating solution stream and the first flow controller being arranged on titrating solution stream, entrance and the titrating solution of titrating solution stream store up
Pond connection is deposited, reaction tank is led in the outlet of titrating solution stream, meanwhile, in addition to for storing pure water pond and the purging liquid stream of pure water
Road, the entrance on purging liquid stream road connect with pure water pond, and the outlet on purging liquid stream road purges liquid stream towards the outlet of titrating solution stream
Second flow controller, the control terminal and company of control centre of first flow controller and second flow controller are additionally provided with road
Connect.Compared to existing titration system, titration system of the present utility model also includes pure water pond and purging liquid stream road, when needs add
When entering the titrating solution less than a drop, center is manipulated by, controls the release of titrating solution stream pre- by first flow controller
Determine the titrating solution of volume, such as 0.02mL, 0.01mL, it is suspended from the outlet of titrating solution stream, then controlled by second flow
Device, turn on purging liquid stream road, outlet of the pure water by purging liquid stream road will hang on the titrating solution of the outlet of titrating solution stream
Blow off in the solution of reaction tank, thus can complete half drop or 1/4 drop titration operation, so as to reach accurately titrate will
Ask, there is the advantages of easy to control, automaticity is high, and precision is high.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of titration system of prior art；
Fig. 2 is a kind of schematic diagram of titration system of the present utility model.
In Fig. 1：
1 measuring cup；2 acidity-basicity testers；3 acid ＆ alkali liquid titration cups；4 titration control valves；5 controllers；12 titration pipelines.
In Fig. 2：
1 control centre；2 pure water ponds；3 titrating solution storage pools；4 second fluid pumps；5 first fluid pumps；6 titrating solution streams；7
Purge liquid stream road；8 first flow controllers；9 second flow controllers；10 purging heads；11 titrating heads；13 reaction tanks；14 magnetons；
15 magnetic stirring apparatus
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
It should be noted that " first " that occurs in the utility model, " second " are only used for distinguishing different parts, no priority
Point, the less restriction as structure in itself.
Fig. 2 shows a kind of titration system, including control centre 1, the titrating solution storage pool 3 for storing titrating solution, anti-
Answer pond 13, titrating solution stream 6 and the first flow controller 8 being arranged on titrating solution stream 6, the entrance of titrating solution stream 6 with
Titrating solution storage pool 3 connects, and reaction tank 13 is led in the outlet of titrating solution stream 6, meanwhile, in addition to it is (i.e. pure for storing pure water
Water purification) pure water pond 2 and purging liquid stream road 3, the entrance on purging liquid stream road 3 connects with pure water pond 2, purges the outlet on liquid stream road 3
Towards the outlet of titrating solution stream 6, second flow controller 9, the He of first flow controller 8 are additionally provided with purging liquid stream road 3
The control terminal of second flow controller 9 is connected with control centre 1.Compared to existing titration system, the titration system of the embodiment
System also includes pure water pond 2 and purging liquid stream road 3, when needing to add the titrating solution less than a drop, is manipulated by center 1,
Control titrating solution stream 8 to discharge the titrating solution of predetermined by first flow controller, such as 0.02mL, 0.01mL, make it outstanding
In the outlet of titrating solution stream 6, then by second flow controller 9, turn on purging liquid stream road 3, pure water is by purging liquid
The outlet of stream 3 blows off the titrating solution for the outlet for hanging on titrating solution stream 6 in the solution of reaction tank, thus can complete
The titration operation of half drop or 1/4 drop is high with easy to control, automaticity height, precision so as to reach the requirement accurately titrated
The advantages of.
Above-mentioned titration system, titrating solution storage pool 3 can be arranged to the top of reaction tank 13, utilize the weight of titrating solution
Power makes titrating solution be flowed into by titrating solution stream 6 in reaction tank 13, for ease of control, it is preferable that the titration system of the present embodiment
Also include the first fluid pump 5 being arranged on titrating solution stream 6, first fluid pump 5 is located at the entrance and first of titrating solution stream 6
Between flow controller 8, the control terminal of first fluid pump 5 is connected with control centre 1.By setting first fluid pump 5, pass through
Titrating solution in titrating solution storage pool 3 can be pumped into titrating solution stream 6 by one fluid pump 5, by control centre, can be controlled
The discharge capacity of first fluid pump 5, the convenient accurate control to titrating solution.
Similarly, pure water pond 2 can be arranged to the top of reaction tank 13, make pure water by blowing using the self gravitation of pure water
Washing lotion stream 3 performs purge operation, for ease of control, it is preferable that also includes the second fluid pump being arranged on purging liquid stream road 3
4, second fluid pump 4 is arranged between the entrance and second flow controller 9 on purging liquid stream road 3, the control terminal of second fluid pump 4
It is connected with control centre 1.By setting second fluid pump 4, the pure water in pure water pond 2 can be pumped into by second fluid pump 4
Purge in liquid stream road 3, by control centre, the discharge capacity of second fluid pump 5 can be controlled, it is convenient to carry out purge operation.
In such scheme, first fluid pump 5 and second fluid pump 4 can be common fluid pump, such as vane pump, plunger
Pump, gear pump etc., it is preferable that first fluid pump 5 is constant flow pump, and second fluid pump 4 is pulse pump.Because first fluid pump 5 is
Constant flow pump, therefore relatively stable titration liquid stream can be provided,, can be with short when rinsing because second fluid pump 4 is pulse pump
Time obtains the pure water of larger flow, is easy to purge operation.Rush pump convey every time pure water as long as titrating solution stream 6 can be exported it is outstanding
The titrating solution of extension is blown off in reaction tank 13, and it is preferably 1-3mL that it conveys the volume of pure water every time.
For ease of performing titration and purge operation, the outlet of titrating solution stream 6 is provided with titrating head 11, purging liquid stream road 3
Outlet be provided with purging first 10, purging first 10 is towards titrating head 11.Because there is provided purging first 10, purging power is bigger, is easy to
The titrating solution of suspension is blown off in reaction tank 13.
Solution in reaction tank 13 can also set agitating device, such as stirring vane with hand operated mixing, it is preferable that anti-
Answer and magneton 14 is provided with pond 13, the bottom of reaction tank 13 is provided with magnetic stirring apparatus 15, by magnetic stirring apparatus 15, can control
Magneton 14 processed is stirred to the magneton in reaction tank 13, accelerates the reaction of titrating solution and solution in reaction tank 13.
First flow controller 8 is preferably Accurate Data Flow Control device, and the flow-control scope of first flow controller 8 is
0.5-5mL/min, such as 1mL/min, 0.01mL titration control can be carried out.
For ease of the control to titration system, it is preferable that control centre 1 includes display screen, startup/pause button, stopping
Button, exhaust button, button is accelerated in flow velocity regulation, flow velocity regulation slows down button, half drips button, a quarter drop button and purging
Button, display screen are used for the volume for showing the titrating solution by first flow controller 8, and startup/pause button, which is used to control, to drip
Determine the startup and pause of system, stop button is used for the stopping for controlling titration system, and exhaust button is used to control discharge titrating solution
Air in stream 6 and purging liquid stream road 3, flow velocity regulation accelerate button and are used to control the flow/flow velocity for increasing titrating solution, flow velocity
Regulation slow down button be used for control reduce flow/flow velocity of titrating solution, half, which drips button, is used to perform half drop titration, and a quarter is dripped
Button is used to perform a quarter drop titration, and purging button, which is used to control, performs purging action.It should be noted that the present embodiment
In, in addition to it can carry out half drop and 1/4 drop operation, the operations such as 1/3 drop, 2/3 drop are can also carry out certainly, are arranged as required to i.e.
Can.Control centre 1 can include single-chip microcomputer and embedded technology writes simple control program, and convection current can be realized by control program
The Automated condtrol of the parts such as body pump, flow controller, and the display to titrating solution volume, easy to control, precision is high.
The titration system of the present embodiment, operation principle are as follows：
Before experiment, titrating solution is loaded in titrating solution storage pool 3, and pure water is loaded in pure water pond 2, and solution to be titrated is loaded on reaction
In pond 13, waste liquid pool can be set below titrating head 11, titration system is started by the panel of control centre 1, opens exhaust
Operation, now, titrating solution is full of titrating solution stream 6 in the presence of first fluid pump 5 (i.e. constant flow pump), and pure water is in second fluid
Pump 4 (i.e. pulse pump) effect is lower full of purging liquid stream road 7.Meanwhile the magneton 14 cleaned up is put into reaction tank 13, manually
Indicator (special detection means can certainly be set) is instilled, starts magnetic stirring apparatus 15, starts titration system, titrating solution
Flowed out at titrating head 11, drip and reacted in reaction tank, the start recording volume of first flow controller 8 and in control
The instant volume of display screen display of the heart 1, titration flow velocity can be now adjusted by button and (is accelerated by operation stream velocity modulation section
Button, flow velocity regulation slow down button), observing response pond color change, it may be selected to perform purging action according to actual conditions, it is waiting
During nearly terminal, half drop is carried out by button selection or a quarter drips operation, when performing half drop or a quarter operation, flow control
Device processed discharges the solution of 0.02mL or 0.01mL volumes, is suspended from titrating head 11, while purge operation performs automatically, and pure water leads to
Over-blowing hair washing 10 blows off the drop of suspension in the solution of reaction tank 13, completes half drop or a quarter drop operation.Pass through end
Point color judges to reach to press stop key when reaching home, screen display final volume, completes to test.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for this area
Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model,
Any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of titration system, including control centre (1), titrating solution storage pool (3), reaction tank (13), titrating solution stream (6) and
The first flow controller (8) being arranged on the titrating solution stream (6), entrance and the drop of the titrating solution stream (6)
Determine liquid storage pool (3) connection, the reaction tank (13) is led in the outlet of the titrating solution stream (6), it is characterised in that also includes
Pure water pond (2) and purging liquid stream road (3), the entrance of purging liquid stream road (3) connect with the pure water pond (2), the purging
The outlet on liquid stream road (3) is additionally provided with second towards the outlet of the titrating solution stream (6), described purge on liquid stream road (3)
The control terminal of amount controller (9), the first flow controller (8) and second flow controller (9) and the control centre (1)
Connection.
2. titration system according to claim 1, it is characterised in that also include being arranged on the titrating solution stream (6)
First fluid pump (5), the first fluid pump (5) is located at the entrance of the titrating solution stream (6) and the first flow control
Between device (8) processed, the control terminal of the first fluid pump (5) is connected with the control centre (1).
3. titration system according to claim 2, it is characterised in that also include being arranged on purging liquid stream road (3)
Second fluid pump (4), the second fluid pump (4) is arranged at entrance and the second flow of purging liquid stream road (3)
Between controller (9), the control terminal of the second fluid pump (4) is connected with the control centre (1).
4. titration system according to claim 3, it is characterised in that the first fluid pump (5) is constant flow pump, described
Two fluid pumps (4) are pulse pump.
5. titration system according to claim 4, it is characterised in that the volume that the pulse pump conveys pure water every time is 1-
3mL。
6. according to the titration system described in claim any one of 1-5, it is characterised in that the outlet of the titrating solution stream (6)
Titrating head (11) is provided with, the outlet of purging liquid stream road (3) is provided with purging head (10), and the head (10) that purges is towards institute
State titrating head (11).
7. according to the titration system described in claim any one of 1-5, it is characterised in that be provided with magnetic in the reaction tank (13)
Sub (14), the bottom of the reaction tank (13) is provided with magnetic stirring apparatus (15).
8. according to the titration system described in claim any one of 1-5, it is characterised in that the flow of first flow controller (8)
Control range is 0.5-5mL/min.
9. according to the titration system described in claim any one of 1-5, it is characterised in that the control centre (1) includes display
Screen, startup/pause button, stop button, exhaust button, flow velocity regulation quickening button, flow velocity regulation slow down button, partly drip and press
Button, a quarter drop button and purging button.
10. titration system according to claim 9, it is characterised in that the display screen, which is used to show, passes through described first
The volume of the titrating solution of flow controller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090950.7U CN206638641U (en) | 2017-01-22 | 2017-01-22 | A kind of titration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090950.7U CN206638641U (en) | 2017-01-22 | 2017-01-22 | A kind of titration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206638641U true CN206638641U (en) | 2017-11-14 |
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ID=60261403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720090950.7U Expired - Fee Related CN206638641U (en) | 2017-01-22 | 2017-01-22 | A kind of titration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206638641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506706A (en) * | 2018-10-29 | 2019-03-22 | 湖南中医药高等专科学校 | A kind of pharmacological experiment titration system and method based on multisensor |
| CN112098591A (en) * | 2020-09-08 | 2020-12-18 | 新兴铸管股份有限公司 | A device for titration |
-
2017
- 2017-01-22 CN CN201720090950.7U patent/CN206638641U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506706A (en) * | 2018-10-29 | 2019-03-22 | 湖南中医药高等专科学校 | A kind of pharmacological experiment titration system and method based on multisensor |
| CN112098591A (en) * | 2020-09-08 | 2020-12-18 | 新兴铸管股份有限公司 | A device for titration |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20190122 |