CN203720158U - Titration apparatus - Google Patents
Titration apparatus Download PDFInfo
- Publication number
- CN203720158U CN203720158U CN201320824752.0U CN201320824752U CN203720158U CN 203720158 U CN203720158 U CN 203720158U CN 201320824752 U CN201320824752 U CN 201320824752U CN 203720158 U CN203720158 U CN 203720158U
- Authority
- CN
- China
- Prior art keywords
- pump
- peristaltic
- main control
- control computer
- pump line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of an analysis instrument, and in particular relates to a titration apparatus. The titration apparatus comprises a main control computer, a support and a liquid dropping mechanism, wherein the liquid dropping mechanism comprises a peristaltic pump, a pump pipe and a drip nozzle which is connected with one end of the pump pipe, the peristaltic pump is electrically connected with the main control computer, the peristaltic pump mainly comprises a pump seat, a rotor, two rollers and a pump pipe fixing member, the rotor is arranged in the pump seat and driven by a motor, the two rollers are connected with the rotor through a roller shaft, and the pump pipe fixing member is formed along the periphery of the roller. No bubble is produced in the running process, no obvious pulse flow is produced, and the accuracy on detection is high. The peristaltic pump can be disassembled, so that the condition that the peristaltic pump is squeezed for a long time to influence the service life can be avoided, the peristaltic pipe which is easy to damage due to the squeezing of the rollers frequently can be independently replaced, and the convenience in repairing is realized; meanwhile, the pump pipe is convenient to disassemble, and the convenience in storage is realized. A reinforcing member is arranged on the junction of the pump pipe and a pump pipe connector, so that the gas leakage and the pump pipe breaking can be prevented.
Description
Technical field
The utility model relates to technical field of analytical instruments, relates in particular to a kind of titrator.
Background technology
Analysis by titration, be again volumetric analysis, by the standard solution of known accurate concentration, be added drop-wise to (or detected solution is added drop-wise in standard solution) in detected solution, until added standard solution and measured matter are by stoichiometric relationship quantitative reaction, then the volume of measurement standard solution consumption, according to the concentration of standard solution and the volume consuming, calculates the content of test substance.The method of this quantitative test is called analysis by titration, and it is a kind of widely used quantitative analysis method, has higher accuracy in macro-analysis.
Traditional titration apparatus adds iron stand by buret and forms.Buret is glass material, fragile; Buret troublesome poeration, points for attention are many, need well-trained operator to operate; And need repeatedly artificial reading and calculate just to draw testing result.
For evading the defect of traditional titration apparatus, expand the application of titrimetry technology, various forms of titration apparatuss emerge in succession.Existing titration apparatus has digital titration instrument, potentiometric titrimeter, full-automatic titrator etc.With respect to buret, these titration apparatuss are each has something to recommend him, have certain application.But these devices also come with some shortcomings, for example apparatus structure complexity, is not easy to carry, and is not easy to Site Detection; Pipeline is many, cleans difficulty, and inconvenience is changed; Need to be equipped with electrode, instrument maintenance difficulty is large etc.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of simple in structure, be easy to carry, titrator that accuracy is high.
For achieving the above object, the utility model is by the following technical solutions: a kind of titrator, comprise main control computer, support and liquid dropping mechanism, described liquid dropping mechanism comprises peristaltic pump, pump line and the drip nozzle being connected with pump line one end, described peristaltic pump is electrically connected with main control computer, and described peristaltic pump, mainly by pump seat, is located in pump seat and by motor-driven rotor, two rollers that are connected with rotor by roller shaft respectively, and the pump line fixture forming along roller periphery forms.
Furtherly, described pump seat is provided with two pump line interfaces, and described pump line is made up of feed tube, peristaltic tube and drain pipe, and the two ends of peristaltic tube are connected with feed tube and drain pipe by pump line interface respectively.
Furtherly, the junction of described feed tube, peristaltic tube and drain pipe and pump line interface is equipped with a reinforcing member.
Furtherly, described reinforcing member is for reinforcing jag.
Furtherly, described support is L-type, and one end of support is connected with the shell of main control computer by screw, and the other end of support is provided with a draw-in groove.
Furtherly, the casing of described main control computer is square or rectangular parallelepiped.
Furtherly, the endpiece of described drain pipe is connected with drip nozzle by a connector.
Furtherly, be provided with a rechargeable battery in described main control computer, described rechargeable battery is electrically connected with main control computer and motor respectively.
Compared with prior art, the beneficial effects of the utility model are: the utility model is by reducing the quantity of roller in peristaltic pump, and two rollers of choice for use both can avoid producing in operational process bubble, can not produce again obvious stream of pulses, thereby improve the accuracy detecting.Pump line is divided into feed tube, peristaltic tube and drain pipe; peristaltic tube can be unloaded to avoid peristaltic tube be extruded for a long time and affect serviceable life, and can change separately because often being pushed perishable peristaltic tube by roller, be convenient to maintenance; also be convenient to dismantle each pump line, be convenient to storage; Meanwhile, the utility model pipeline is few and simple.Reinforcing member is established in junction at pump line and pump line interface, can prevent that gas leakage and pump line from disconnecting.Support is made as to L-type and is connected with main control computer shell by screw, simple in structure and be convenient to dismounting; Main control computer shell is made as to square or rectangular parallelepiped simultaneously, the bracket buckle having unloaded can be put on main control computer, place instrument requisite space little; In addition of the present utility model simple in structure, volume is little, be easy to carry.Drain pipe is connected by connector with drip nozzle, and connector is stuck in draw-in groove, makes not landing of drain pipe and drip nozzle more stable.Use rechargeable battery, battery uses of can repeatedly charging, and be convenient to field test use.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the local enlarged diagram of the A in Fig. 1;
Fig. 3 is the schematic diagram of Peristaltic pump head (omission pump cover);
Fig. 4 is the schematic diagram of pump line and Peristaltic pump head (omission pump cover);
Fig. 5 is the structural representation that pump line of the present utility model is connected with drip nozzle;
Fig. 6 is that the utility model uses view.
Embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment, the technical solution of the utility model is described further and is illustrated.
Embodiment
With reference to Fig. 1-6, a kind of titrator that the utility model provides, comprises main control computer 1, support 2 and liquid dropping mechanism.
Main control computer 1 is by casing 12 and be located at the control gear in casing 12, and is located at casing 12 surfaces and the guidance panel 11 that is electrically connected with main control computer 1 forms.Casing 12 is for being the betal can (in other embodiments, casing 12 can also be designed to square, or use other material to prepare casing 12) of rectangular parallelepiped.In casing 12, be also provided with a rechargeable battery, rechargeable battery is electrically connected with the motor of main control computer 1 and peristaltic pump respectively.
The pump line that liquid dropping mechanism comprises peristaltic pump, is used in conjunction with peristaltic pump, and drip nozzle 4.Peristaltic pump is made up of motor, pump seat 51, rotor 52, two roller shafts 53, two rollers 54 and pump line fixture 56 again.Rotor 52 is located in pump seat 51 and is driven its rotation by motor; Two 54, rollers are connected with rotor 52 by two roller shafts 53 respectively, rotate with the rotation of rotor 52; Form a pump line fixture 56 in the interior periphery along roller 54 of pump seat 51, on pump seat 51, be provided with two pump line interfaces, 55, two pump line interfaces 55 and be communicated with pump line fixture 56 respectively; Motor is located in casing 12 and is electrically connected with rechargeable battery and main control computer 1 respectively.By operation on guidance panel 11, controlled the speed of operation and the operation of peristaltic pump by main control computer 1, thereby control the speed of whether infusing and infusing.Test and find after deliberation and constantly, the situation of instrument generation bubble in service is subject to the number affects of roller 54 in peristaltic pump, and finds when use is when two rollers 54, both can avoid producing in operational process bubble, can not produce again obvious stream of pulses, thereby improve the accuracy detecting.In the time only using a roller 54, there will be obvious stream of pulses, and use three and during with upper roller 54, have bubble to occur, all have a strong impact on the accuracy of detection.
Pump line is made up of feed tube 32, drain pipe 31 and peristaltic tube 33, and wherein peristaltic tube 33 is placed in pump line fixture 56.The two ends of peristaltic tube 33 are connected with two pump line interfaces 55 respectively, and reinforce the connection by reinforcing member 34 in junction, reinforcing member 34 is for reinforcing jag (in other embodiments, also can use the existing reinforcing member 34 for reinforcing the connection, as buckle etc.), can prevent that gas leakage and peristaltic tube 33 and pump line interface 55 from disconnecting.One end of feed tube 32 is connected with one of them pump line interface 55, and the other end is for inserting the reagent bottle 7 of dress vs; One end of drain pipe 31 is connected with another pump line interface 55, and the other end is for being connected with drip nozzle 4.Feed tube 32, drain pipe 31 also reinforce the connection by reinforcing member 34 with the junction of pump line interface 55, prevent gas leakage and disconnect.The other end of drain pipe 31 is connected with drip nozzle 4 by connector 35, and this connector 35 is for having certain flexible cylinder-shaped sleeve.
Support 2 is L-type, and is provided with a draw-in groove 21 in one end of support 2, is provided with a link slot 22 at the other end of support 2, and support 2 is fixed on casing 12 by screw 23 and link slot 22.Draw-in groove 21 is for fixing drip nozzle 4, and the groove width of draw-in groove 21 is less than the external diameter of connector 35 slightly.While needing fixing drip nozzle, connector 35 is stuck in draw-in groove 21.The design of screw 23 and link slot 22, only need unscrew screw 23 support 2 can be unloaded while making removal bracket 2, and not need screw 23 to back-out completely, is not only convenient to removal bracket 2, also can avoid screw 23 to lose, and affects the use of instrument; After support 2 unloads, support 2 buttons can be put on main control computer 1.
On guidance panel 11, be provided with " start/suspend " key whether moving for control instrument, for selecting " option " key of test item, for switching fast and the slow pilot lamp that drips of fast " dripping speed " key that drips and drip slowly and cooperation, for " determining " key of selected project, end titration or confirmation last action, for controlling " cleaning " key that whether carries out pipe blow-through.
The utility model not only can be used for oxygen utilization, chloride, total hardness, total alkalinity, the dissolved oxygen DO of testing liquid, effective chlorine in sodium hypochlorite raw material, sodium chlorate in sodium chlorate raw material, acidity in salt acid starting material, the detection of these nine conventional projects of alundum (Al2O3) in polyaluminium chloride raw material, also can be used for detecting all items that buret device can detect, and can quantitatively measure liquid.In addition, the utility model also has calibration function.
Using method 1
Measuring ability: detect muriatic content in water
Start, directly shows the test item using before shutdown last time on guidance panel 11; If the test item before shutdown last time is not to detect muriatic project, press " option " key and exit this project, and selective chlorination items order, press " determining " key and enter chloride project; Then input the concentration of titrand by guidance panel 11, and enter titration interface.Then feed tube is inserted to reagent bottle 7 bottoms that titrand is housed, connector 35 is stuck in draw-in groove 21, and prepares the bottled waste liquid of waste liquid.Press " cleaning " key and carry out the rinse of pump line, and whole pump line is full of with titrand, stop this operation until press " cleaning " key while thering is no bubble in pump line.Get 50ml water sample in conical flask 6 with graduated cylinder, then add 1ml indicator with plastic suction pipe, shake up.Press " start/suspend " key, use titrand Titration Water Sample, failure of oscillation does not shake conical flask 6 during this time, until the solution changes color (becoming light crocus from yellow green) in conical flask 6 arrives titration end-point, presses immediately " start/suspend " key and stops titration.Press definite key, instrument shows titration volume and result again, and the mg/L(of unit is with Cl
-meter).(in titration process, can press " dripping speed " key and regulate rate of titration, corresponding pilot lamp can be indicated the current fast state that drips.Also can press " start/suspend " key and suspend or start again titration.）
After completing titration work, feed tube is taken out to reagent bottle 7,, then feed tube is inserted in pure water emptying the titrand in pipeline by cancel key, continue detergent line 1-2 minute, and pure water is emptying.
Using method 2
Quantitatively measure function: quantitatively measure 10mL liquid
Select quantitative project in options interface, press " determining " key and enter after quantitative project, can press " option " key by defeated the numerical value of hundred figure places one-tenth 0, after pressing " determining " key and determining this numerical value, cursor jumps to ten places automatically, press " option " key by defeated the numerical value of tens one-tenth 1, the rest may be inferred.Determine after units, then press " determining " key and start to get liquid, after getting liquid and completing, instrument is automatically out of service, has this time operated.
Using method 3
Calibration function: the fast pattern of dripping is calibrated
Select calibration item in options interface, concrete operations are as follows: prepares two cups, and a cup pure water, another cup is placed on electronic scale, makes pipeline be full of pure water and tube wall and returns to zero without bubble and electronic scale.Press " option " key and select the fast titration calibration item of dripping, then press " determining " key, then press " start/suspend " key, instrument splashes in the beaker on electronic scale drawing 5mL calibration solution.After getting liquid and completing, the fast result " 5.00 " of dripping on Calibration interface is modified as to the numeral (as electronic balance shows 5.25, " 5.00 " of dripping soon result being modified as to 5.25) showing on electronic balance.Press and determine that key completes the fast calibration operation that drips pattern, returns to options interface.
The above only further illustrates technology contents of the present utility model with embodiment; so that reader is easier to understand; but do not represent that embodiment of the present utility model only limits to this, any technology of doing according to the utility model is extended or recreation, is all subject to protection of the present utility model.
Claims (8)
1. a titrator, comprise main control computer (1), support (2) and liquid dropping mechanism, described liquid dropping mechanism comprises peristaltic pump, pump line and the drip nozzle (4) being connected with pump line one end, described peristaltic pump is electrically connected with main control computer (1), it is characterized in that: described peristaltic pump is mainly by pump seat (51), be located in pump seat (51) and by motor-driven rotor (52), two rollers (54) that are connected with rotor (52) by roller shaft (53) respectively, and the pump line fixture (56) forming along roller (54) periphery forms.
2. a kind of titrator according to claim 1, it is characterized in that: described pump seat (51) is provided with two pump line interfaces (55), described pump line is made up of feed tube (32), peristaltic tube (33) and drain pipe (31), and the two ends of peristaltic tube (33) are connected with feed tube (32) and drain pipe (33) by pump line interface (55) respectively.
3. a kind of titrator according to claim 2, is characterized in that: described feed tube (32), peristaltic tube (33) and drain pipe (31) are equipped with a reinforcing member (34) with the junction of pump line interface (55).
4. a kind of titrator according to claim 3, is characterized in that: described reinforcing member (34) is for reinforcing jag.
5. a kind of titrator according to claim 3, is characterized in that: described support (2) is L-type, and one end of support (2) is connected with the shell of main control computer (1) by screw (23), and the other end of support (2) is provided with a draw-in groove (21).
6. a kind of titrator according to claim 5, is characterized in that: the casing of described main control computer (1) is square or rectangular parallelepiped.
7. a kind of titrator according to claim 6, is characterized in that: the endpiece of described drain pipe (31) is connected with drip nozzle (4) by a connector (35).
8. according to the arbitrary described a kind of titrator of claim 1-7, it is characterized in that: described main control computer is provided with a rechargeable battery in (1), described rechargeable battery is electrically connected with main control computer (1) and motor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320824752.0U CN203720158U (en) | 2013-12-10 | 2013-12-10 | Titration apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320824752.0U CN203720158U (en) | 2013-12-10 | 2013-12-10 | Titration apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720158U true CN203720158U (en) | 2014-07-16 |
Family
ID=51159298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320824752.0U Expired - Fee Related CN203720158U (en) | 2013-12-10 | 2013-12-10 | Titration apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720158U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738562A (en) * | 2016-04-25 | 2016-07-06 | 深圳市清时捷科技有限公司 | Titrator applied to teaching and operating method thereof |
| CN106226461A (en) * | 2016-08-15 | 2016-12-14 | 深圳市清时捷科技有限公司 | A kind of multi-functional titrator and titration control system thereof |
| CN106292759A (en) * | 2016-08-15 | 2017-01-04 | 深圳市清时捷科技有限公司 | Velocity control device, automatic titration device and titration control method are dripped in a kind of titration |
| CN106932530A (en) * | 2017-02-13 | 2017-07-07 | 中国林业科学研究院热带林业实验中心 | A kind of titration outfit |
-
2013
- 2013-12-10 CN CN201320824752.0U patent/CN203720158U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738562A (en) * | 2016-04-25 | 2016-07-06 | 深圳市清时捷科技有限公司 | Titrator applied to teaching and operating method thereof |
| CN106226461A (en) * | 2016-08-15 | 2016-12-14 | 深圳市清时捷科技有限公司 | A kind of multi-functional titrator and titration control system thereof |
| CN106292759A (en) * | 2016-08-15 | 2017-01-04 | 深圳市清时捷科技有限公司 | Velocity control device, automatic titration device and titration control method are dripped in a kind of titration |
| CN106932530A (en) * | 2017-02-13 | 2017-07-07 | 中国林业科学研究院热带林业实验中心 | A kind of titration outfit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203720158U (en) | Titration apparatus | |
| CN203405441U (en) | Instrument for detecting COD (chemical oxygen demand) of high-chlorine wastewater on line by basic potassium permanganate method | |
| CN104713994A (en) | Analytical device for determining a digestion parameter of a liquid sample | |
| CN203688432U (en) | Liquid metering system | |
| CN204214881U (en) | A kind of automatic quantitative liquid feeder | |
| CN102455332A (en) | Automatic titration device for analysis instrument | |
| CN102507856A (en) | Peristaltic pump type weighing titrator and titration method thereof | |
| KR101621449B1 (en) | Possible continuous measurement integrated water meter | |
| CN203732452U (en) | Circulating pump type on-line water hardness titration detector | |
| CN105606760A (en) | Automatic titration apparatus for analytical instrument | |
| CN204086284U (en) | A kind of water quality analytical system | |
| CN103257172B (en) | Limestone activity determination and detection apparatus | |
| CN202512062U (en) | Full-automatic acid value determiner for petroleum products | |
| CN106645609A (en) | Metering device for online hexavalent-chromium water quality monitor and using method of metering device | |
| CN207623217U (en) | A kind of water quality automatic checkout equipment | |
| CN215574623U (en) | High-precision overflow metering device applied to water quality online monitoring equipment | |
| CN217112099U (en) | Detection apparatus for mechanism sand MB value | |
| CN114323897A (en) | Water quality monitoring dilutes and adds mark device based on photoelectric sensor | |
| CN213574552U (en) | Peristaltic pump and titration device using same | |
| CN201707301U (en) | Perchloric COD and permanganate index automatic analyzer | |
| CN201637510U (en) | On-line liquid cement grinding additive detection device | |
| CN208187987U (en) | A kind of measurement device that the measurement of Phenol for Waste Water content uses | |
| CN113567431A (en) | Industrial circulating water alkalinity online measuring device and measuring method | |
| CN201344816Y (en) | Reagent automatic metering device | |
| CN203414454U (en) | On-line alkali concentration detection equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140716 Termination date: 20211210 |