CN205562492U - Detect automatic titration device of recycled water aquatic chloride - Google Patents

Abstract

The utility model relates to a detect automatic titration device of recycled water aquatic chloride, characterized by: including electronic air pump, power, timer, trachea and brown acid buret, brown acid buret has connected gradually miniature electronic air pump, power and timer through the trachea. Beneficial effect: adopt miniature electronic air pump to replace the technique that the zero set of quick automatic liquid feeding had been realized to the hand ball. The simple operation is smooth, save time, laborsaving, save trouble. Reduce reagent and volatilized, reduced environmental pollution, reduced the harm to operating personnel, strengthened occupation health 's protection.

Description

Muriatic automatic titration device in detection recycled water water

Technical field

This utility model belongs to laboratory titration appratus, particularly relates to chlorine in a kind of detection recycled water water The automatic titration device of compound.

Background technology

Titrimetry is to carry out the basis of quantitative analysis in chemical analysis, conventional in water analysis especially A kind of method, a lot of water quality index are required for detecting its content by titrimetry, and therefore titration sets Standby selection is particularly important for laboratory.Semi-automatic burette structure is: by scale burette with Liquid injection pipe is welded together in parallel, and is shaped with a ball in liquid injection pipe, plays cushioning effect.At measuring pipet There is a liquid outlet being bent up upper end, and adjusts zero point use, and its outer layer has a ball and liquid injection pipe phase Even, in order to collect surplus liquid, and flowed back in reservoir by liquid injection pipe.The lower end weldering of measuring pipet Having two arms, protruding triangularity and inclined hole three-way stopcock, dropping liquid mouth is connected, above it one Root arm is by piston, dropping liquid mouth, the solution of burette to be oozed.An arm is used for titrating below After, the remaining liquid in burette, it is back in reservoir through this pipe flow by piston, measuring pipet Between two arms, close up into a glass tubing with liquid injection pipe, go deep into the bottom of reservoir.At frosted mouth Top have an air inlet pipe, be connected with hand pressure balloon, air inlet pipe have an automatic floating fuse piston, The venting of automatic floating fuse piston is may utilize when inflating too much.A U-shaped is had to be dried below air inlet pipe Pipe, the solution in preventing reservoir and in burette is acted on by moisture and carbon dioxide.Titration Pipe is to utilize hands to pinch balloon directly to play liquid automatic zero set.Following problem is run into: beating in life-time service Often as hands firmly inequality causes liquid to have bubble to produce in uphill process during gas, it has to again Beat liquid to adjust, waste time and energy；Hand pressure balloon is easy to be run-down aging, needs often to change, and has not only wasted but also shadow Ring work.

Owing to the major part commonly used common burette of laboratory titrates, its using method is: need Very important person, for carrying out down the sequence of operations steps such as liquid → dress liquid → eliminating bubble → zeroing, not only operates fiber crops It is tired of and easily causes reagent volatilization during the course, omit waste, poisonous or corrosive titration is tried Agent also can be to human body and environmental pollution and pollution due to contact inevitable in operating process.

Utility model content

This utility model is to overcome deficiency of the prior art, it is provided that in a kind of detection recycled water water Muriatic automatic titration device, it is achieved that automatically beat the technology that liquid returns to zero, saves time, saves trouble, laborsaving, Testing cost has been saved again while improving titrimetry speed and reducing labor intensity.

This utility model for achieving the above object, is achieved through the following technical solutions, a kind of detection regeneration Muriatic automatic titration device in water water, is characterized in that: include electric air pump, power supply, intervalometer, Trachea and brown acid buret, described brown acid buret is connected with micro electric in turn by trachea Take offence pump, power supply and intervalometer.

Lift >=the 0.7m of described electric air pump.

Described electric air pump rated voltage is 6-12V, outlet pressure 0.081MPa-0.15MPa.

Beneficial effect: the automatic titration device after Optimizing Reconstruction uses Miniature electric air pump to replace hand ball Achieve the technology of fast automatic liquid feeding zeroing.Simple operation is smooth, save time, laborsaving, save trouble.Subtract Lack reagent volatilization, decreased environmental pollution, decreased the harm to operator, strengthen occupation Healthy protection.The miniature electric little air pump life-span selected is long, and power is low, power and energy saving.Overcome , easily there is Leakage block, is easily generated the shortcoming that reagent volatilization is polluted in common burette troublesome poeration；Keep away Having exempted from full-automatic titrator and needed often to calibrate maintenance, changed accessory, purchase cost and maintenance and repair take By high shortcoming；Solving the automatic burette before transformation, to be easily generated bubble, hand ball cracky aging The problem frequently changed.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

In figure: 1, Miniature electric air pump, 2, power supply, 3, intervalometer, 4, trachea, 5, brown acid Burette.

Detailed description of the invention

Below in conjunction with preferred embodiment, the detailed description of the invention provided according to this utility model is described in detail such as Under:

Refer to accompanying drawing, present embodiments provide muriatic automatic Titration dress in a kind of detection recycled water water Put, including electric air pump, power supply, intervalometer, trachea and brown acid buret, described brown acid Formula burette is connected with Miniature electric air pump, power supply and intervalometer in turn by trachea.Described electronic gas Pump lift >=0.7m.Described electric air pump rated voltage is 6-12V, outlet pressure 0.081MPa-0.15MPa。

Parameter testing and the selection of electric air pump

In order to select the electric device of a applicable coupling to inflate to replace hand pressure balloon, first to former The each performance parameter determining device is analyzed test.During owing to utilizing hand ball Manual inflating, hands is the biggest Little difference, so using pressure tester to obtain repetitive measurement under different operator's difference dynamics Manual inflating pressure between 0.4 0.7Mpa, the most about 0.06Mpa.Measure with slide gauge Automatic burette air inlet bore is 6mm.The height that liquid in pipe rises is then built-in according to reservoir The difference of the liquid height entered determines, it is 0.7m that measurement obtains maximum height, and to be selected is electronic Air pump lift allows for being reached for 0.7m.

First design according to each side problems such as the above relevant parameter tested and the noises considering electrodynamic pump Having selected the little air pump of miniature electric of a power and energy saving, the life-span is equivalent to radio cassette player and drags the horse of tape Reach, be generally used for the medical apparatus and instruments such as electric sphygmomanometer, monitor；Gasbag-type eyes massage device, massage Belt, quintessence oil aroma diffusing machine etc., technical parameter such as table 1.

The technical parameter of the micro air pump that table 1 design is selected

3.2. the assembling and performance test of electric air pump and burette

First the power input of this miniature little air pump is connected 3-12v adjustable transformer, then by miniature The gas outlet band of little air pump is wound around and makes bore applicable closely coupled with the trachea of caliber 6mm, with Time trachea the other end closely coupled with the air inlet of automatic burette, then preliminary group of automatic titration device Dress transformation completes.Plug in regulate different voltage testers respectively organize actually reach under voltage pressure, Automatically beat time and the effect that liquid completes, and hand ball front with transformation inflates Contrast on effect, performance test Result such as table 2.

Table 2 Minitype electric air pump the performance test results

During from above-mentioned test result it can be seen that applying voltage is 3v, the pressure of electric air pump is the least, Aeration quantity is not enough, it is impossible to making liquid rise to zero point, along with voltage increases successively, pressure increases the most successively Greatly, liquid can get to the elevation of zero point, beats the liquid deadline and shortens the most successively.When reaching rated voltage During 12v, the outlet pressure of electric air pump can reach 0.081MPa, and power only has 1KW, beats liquid complete Become shortest time, complete best results.Not only manually beat liquid speed soon than original hand ball, Er Qieshi Xian Liao automatization, operation smoothness, in liquid uphill process, bubble-free produces.Because above-mentioned test knot In Guo, the blowing pressure of best results has been the maximum pressure of Miniature electric air pump, so selecting further Maximum pressure can reach 0.15MPa, and flow reaches the AP-9925 oil-free vacuum membrane pump of 2L/min and enter , found that owing to pressure is excessive, there is titration during beating liquid in the test of the bigger the blowing pressure of row Pipe is the vibrations of slight jack-up from reservoir, and with a large amount of bubbles, the phenomenon spattered outside liquid, so nothing Method uses.Finally determine that the power supply of selection 12v connects the little air pump of above-mentioned miniature electric, and by power supply It is inserted on the intervalometer with countdown Infinite Cyclic function, the count down time of intervalometer is set as 12-16s, so the most convenient from operability, it is achieved that the intellectuality of automatic titration device.

Above-mentioned with reference to embodiment to this one detection recycled water water in muriatic automatic titration device enter Row detailed description, be illustrative rather than determinate, if can according to restriction scope list Dry embodiment, therefore without departing from changing and modifications under this utility model general plotting, should belong to this Within the protection domain of utility model.

Claims (3)

1. a muriatic automatic titration device in detection recycled water water, is characterized in that: include electricity Taking offence pump, power supply, intervalometer, trachea and brown acid buret, described brown acid buret leads to Cross trachea and be connected with Miniature electric air pump, power supply and intervalometer in turn.

Muriatic automatic titration device in detection recycled water water the most according to claim 1, its Feature is: the lift >=0.7m of described electric air pump.

Muriatic automatic Titration dress in detection recycled water water the most according to claim 1 and 2 Put, it is characterized in that: described electric air pump rated voltage is 6-12V, outlet pressure 0.081MPa-0.15MPa。