CN106198122A - A kind of cyanide, ammonia nitrogen distillation catcher - Google Patents
A kind of cyanide, ammonia nitrogen distillation catcher Download PDFInfo
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- CN106198122A CN106198122A CN201610587565.3A CN201610587565A CN106198122A CN 106198122 A CN106198122 A CN 106198122A CN 201610587565 A CN201610587565 A CN 201610587565A CN 106198122 A CN106198122 A CN 106198122A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N2001/2244—Exhaled gas, e.g. alcohol detecting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N2001/2282—Devices for withdrawing samples in the gaseous state with cooling means
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Abstract
The present invention relates to distill pretreatment unit technical field, particularly relate to a kind of cyanide, ammonia nitrogen distillation catcher.This distillation catcher includes control chamber, graphite heating device, distillation collection device, vacuum extractor, touch control device and air cooling equipment；Described touch control device includes the intelligent controller touching display screen and being connected with described touch display screen, and described intelligent controller includes heating-up temperature PID control unit, control unit heat time heating time and vacuum control unit；Described air cooling equipment includes bellows, fan and gear control switch, described bellows include air-cooled panel and the air-cooled back cover being connected with described air-cooled panel, being provided with the strip air outlet horizontally arranged on described air-cooled panel, described air outlet is corresponding with the receiving flask of described distillation collection device.It is simple and reliable that this distillation catcher has test operation, and experiment accuracy and conventional efficient are high, the advantage that man-machine interaction is good.
Description
Technical field
The present invention relates to distill pretreatment unit technical field, particularly relate to a kind of cyanide, ammonia nitrogen distillation catcher.
Background technology
Now with the progress of society, the pollution of environment is grown with each passing day by people, to the protection of environment with monitor into as people
The primary work that class is very important.Monitoring to noxious substance is very important, such as cyanide and ammonia nitrogen.Wherein cyanogen
Compound has severe toxicity, when water source is by industrial wastewater pollutions such as coking, plating, ore dressing, smeltings, often contains substantial amounts of cyanide, drink
With the water high containing concentration of cyanide, poisoning can be produced, therefore, when in water, cyanide content is not suitable for drinking when being 0.01mg/L
Use source water.And the ammonia nitrogen in water is mainly derived from the initial contamination of itrogenous organic substance in sanitary sewage, can by microbial action
Resolving into nitrite nitrogen, continue to decompose, eventually become nitrate nitrogen, complete the self purification process of water, on the one hand microorganism is big
Amount breeding, such as algalbloom, cause wawter bloom red tide, its metabolite, such as Algae toxins have the toxicity such as cause hepatocarcinoma.Another
Aspect is too high when the nitrite nitrogen in water, drinks this water and will form nitrosamine with protein bound, is a kind of strong carcinogen,
Long-term drink is totally unfavorable to health.And ammonia nitrogen will also result in harm to aquatic organism.Accordingly, it would be desirable to come by pretreatment instrument
Cyanide, ammonia nitrogen are carried out Preprocessing, thus be measured water quality cyanide, ammonia nitrogen.
But existing laboratory distillation pretreatment unit there is problems in that 1, uses existing finished product temperature controller to carry out
Heating and temperature control, the temperature control of this temperature controller is general, crosses when being warmed up to design temperature and rushes higher, to instrument requirements constant temperature
It is unfavorable to heat, and mostly inconvenient operation is that code indicates, and interface is stiff；2, the existing finished product time relay is used to heat
Time controls, and it is inconvenient that this time relay arranges time operation, needs again to the time relay after resetting the time
Power on, cumbersome, inefficient.3, vacuum tube pressure employing mechanical pressure gauge display vacuum pressure, but mechanical pressure gauge
Pointer easily shake damage, and the instruction of each gage pressure has deviation, bad correction, and experimental accuracy is relatively low.4, receive
Distilled water steam in collection bottle can only natural cooling, it is impossible to allow the rapid cooling for reflux of distilled water steam so that gas to be measured in sample
Body can not obtain efficient recovery, and experiment accuracy is relatively low.
Summary of the invention
(1) to solve the technical problem that
It is an object of the invention to provide a kind of cyanide, ammonia nitrogen distillation catcher, solve existing distillation pretreatment unit and deposit
Operation inconvenience, experiment accuracy is low, problem that conventional efficient is low.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of cyanide, ammonia nitrogen distillation catcher, including controlling
Distillation collection device that case, the graphite heating device being arranged on described control chamber are connected with described graphite heating device and institute
State the vacuum extractor that distillation collection device connects, be provided with touch control device at described control chamber, at described vacuum extractor
It is provided with air cooling equipment；
Wherein said touch control device includes the Based Intelligent Control touching display screen and being connected with described touch display screen
Device, described intelligent controller includes heating-up temperature PID control unit, control unit heat time heating time and vacuum control unit, its
Described in heating-up temperature PID control unit, control unit heat time heating time be connected with described heater respectively, described vacuum pump
Control unit is connected with described vacuum extractor；
Described air cooling equipment includes bellows, the multiple fans being arranged in described bellows and gear control switch, wherein
Described bellows include air-cooled panel and the air-cooled back cover being connected with described air-cooled panel, are provided with along water on described air-cooled panel
Putting down to the strip air outlet arranged, described air outlet is corresponding with the receiving flask of described distillation collection device.
Further, described graphite heating device includes graphite body and adds heat pipe with described graphite body is in close contact,
Wherein said graphite body is provided with position, multiple test tube hole, is coated with Teflon anticorrosive coat on the outer surface of described graphite body.
Specifically, described heating-up temperature PID control unit, control unit heat time heating time add heat pipe phase with described respectively
Even；Described graphite body is provided with temperature sensor, and described temperature sensor is connected with described intelligent controller.
Specifically, the outside of described graphite body is provided with heat insulation structure.
Further, described distillation collection device includes the liquid feeding long tube distilling test tube, being arranged in described distillation test tube
And the receiving flask being connected with described distillation test tube；By filter tip phase between wherein said distillation test tube and described receiving flask
Connection, described filter tip use PP material make, be provided with beveled in described lower end with filter tip, described with filter tip on
End is provided with filter membrane；The air outlet of described air cooling equipment is corresponding with described filter tip.
Specifically, the top of described distillation test tube is provided with twoport and inserts lid, and described twoport is inserted lid and fixedly mounted by cap test tube
On described distillation test tube.
Specifically, the top of described liquid feeding long tube is inserted lid be arranged on outside described distillation test tube, in institute through described twoport
The top stating liquid feeding long tube is provided with addition funnel.
Further, described vacuum extractor includes bonding in vacuum flexible pipe and the institute that vacuum pump is connected with described vacuum pump
State the hose connection vacuum tube of bonding in vacuum and be separately positioned on the vacuum tube column at two ends, described base left and right, Qi Zhongsuo
State receiving flask to be connected with described vacuum tube by distillation connection flexible pipe, connect the connection of flexible pipe and described vacuum tube in described distillation
Place is provided with reset valve；Described vacuum control unit is connected with described vacuum pump.
Specifically, the two ends of described vacuum tube are connected with described vacuum tube column respectively, and described vacuum tube is by described
Vacuum tube upright supports is above described distillation collection device.
Specifically, described touch display screen is provided with heating-up temperature setting button, heat time heating time sets button and vacuum pump shelves
Position sets button；Described heating-up temperature sets button and is connected with described heating-up temperature PID control unit, and described heat time heating time sets
Button is connected with control unit described heat time heating time, and described vacuum pump gear sets button and described vacuum control unit phase
Even.
(3) beneficial effect
The technique scheme of the present invention has the advantage that
The invention provides a kind of cyanide, ammonia nitrogen distillation catcher, use intelligent controller to automatically control, pass through
Heating-up temperature PID control unit controls the heating-up temperature of graphite heating device, good constant-temperature effect, it is possible to realize automatic high temperature dwell
Protect；Controlling the heat time heating time of heater by control unit heat time heating time, simple to operate, time control accuracy is high；By very
Empty pump control unit controls the gear of bleeding of vacuum pump, multi-gear adjustable, facilitates user to operate according to different samples；This
Invention also add air cooling equipment, when the temperature that experimental situation temperature is higher or sample needs are cleared up is higher, by air-cooled dress
Put and receiving flask is cooled down, allow the rapid cooling for reflux of distilled water steam, improve the efficient recovery of gas to be measured in sample, improve
Experiment accuracy；Cyanide, ammonia nitrogen that the present invention provides distill catcher, and test operation is simple and reliable, it is possible to be effectively improved reality
Testing accuracy and conventional efficient, man-machine interaction is good, it is possible to the safety of testing crew is effectively ensured.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention cyanide, the structural representation of ammonia nitrogen distillation catcher；
Fig. 2 is embodiment of the present invention cyanide, the touch control device structural representation of ammonia nitrogen distillation catcher；
Fig. 3 is embodiment of the present invention cyanide, the graphite heating apparatus structure schematic diagram of ammonia nitrogen distillation catcher；
Fig. 4 is embodiment of the present invention cyanide, the graphite heating device sectional view of ammonia nitrogen distillation catcher；
Fig. 5 is embodiment of the present invention cyanide, the distillation collection device structural representation of ammonia nitrogen distillation catcher；
Fig. 6 is the attachment structure schematic diagram of the distillation collection device of embodiment of the present invention cyanide, ammonia nitrogen distillation catcher；
Fig. 7 is embodiment of the present invention cyanide, the vacuum extractor structural representation of ammonia nitrogen distillation catcher；
Fig. 8 is embodiment of the present invention cyanide, the air-cooled panel construction schematic diagram of ammonia nitrogen distillation catcher；
Fig. 9 is embodiment of the present invention cyanide, the air-cooled rear cover structure schematic diagram of ammonia nitrogen distillation catcher.
In figure: 1: touch display screen；2: on and off switch；3: graphite heating device；4: distillation test tube；5: liquid feeding long tube；6:
Cap test tube；7: twoport inserts lid；8: addition funnel；9: filter tip；10: receiving flask；11: hose joint；12: vacuum tube；13: micro-
Adjust valve；14: air cooling equipment；15: bonding in vacuum flexible pipe；16: vacuum tube column；17: vacuum pump air inlet/outlet；18: vacuum pump；
19: control chamber；20: distillation connects flexible pipe；31: graphite body；32: position, test tube hole；141: air-cooled panel；142: air-cooled back cover；
143: air outlet；144: suppending hole.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of not making creative work, broadly falls into the scope of protection of the invention.
As shown in figs 1-9, cyanide, ammonia nitrogen that the embodiment of the present invention provides distill catcher, including control chamber 19, arrange
The distillation collection device that graphite heating device 3 on described control chamber 19 is connected with described graphite heating device 3 is with described
The vacuum extractor that distillation collection device connects, is provided with touch control device, in described vacuum means in described control chamber 19
Put and be provided with air cooling equipment 14.
As shown in Figure 1-2, described touch control device includes touching display screen 1 and being connected with described touch display screen 1
Intelligent controller, described intelligent controller includes heating-up temperature PID control unit, control unit heat time heating time, vacuum pump control
Unit processed, alarm unit and Temperature Feedback unit, wherein said heating-up temperature PID control unit, heat time heating time control single
Unit is connected with described graphite heating device respectively, and described vacuum control unit is connected with described vacuum extractor.Described touch
Display screen is provided with heating-up temperature setting button, heat time heating time sets button, vacuum pump gear sets button, vacuum pump switch button
And heating button.Described heating-up temperature sets button and is connected with described heating-up temperature PID control unit, and described heat time heating time sets
Determining button to be connected with control unit described heat time heating time, described vacuum pump gear sets button and described vacuum control unit phase
Even.User can carry out heating-up temperature setting by touch key-press to distillation catcher, heat time heating time is arranged, vacuum pump gear
Arrange, vacuum pump switch controls, and clicks on heating button after being provided with, and distillation catcher begins to warm up design temperature constant temperature
Heating, has heated rear alarm unit and has carried out alarm and stop heating.Additionally, described touch display screen can also show very
Pneumatics force value, by described intelligent controller can the PID coefficient of automatic adjusting heating-up temperature PID control unit preserving, and
There is high temperature protection function.
As shown in Figure 3-4, described graphite heating device include graphite body 31 and with described graphite body 31 be in close contact
Adding heat pipe, described graphite body 31 is provided with position, 12 test tube holes 32, convenient distillation test tube high-efficiency heating.The wherein said heat pipe that adds is distinguished
Be connected with described heating-up temperature PID control unit, control unit heat time heating time, for control add heat pipe operating temperature and
Working time.Described graphite body is provided with the Temperature Feedback of temperature sensor, described temperature sensor and described intelligent controller
Unit is connected, and the graphite body real time temperature of measurement is fed back to described intelligent controller by described temperature sensor, and then by adding
Hot temperature PID control unit and control unit heat time heating time be more accurately controlled graphite heating device operating temperature and
Working time.
Wherein, described graphite body 31 uses high-purity isostatic pressing formed graphite, and this graphite density is high, good heat conductivity, material
Environment friendly and pollution-free repeatable utilization.The outside of described graphite body 31 is provided with heat insulation structure, it is possible to increase safe handling property, subtracts
Few thermal loss, improves the thermal efficiency.The outer surface of described graphite body 31 is coated with Teflon anticorrosive coat, acid-alkali-corrosive-resisting
Can be good.
Wherein, adding heat pipe described in uses single-ended rustless steel to add heat pipe, with graphite body close contact, efficiency of heating surface height, temperature
Uniformly, the high-quality heat pipe that adds can work with long-time stable, and the installation adding heat pipe simply and is easily changed.
As seen in figs. 5-6, described distillation collection device includes the liquid feeding distilling test tube 4, being arranged in described distillation test tube 4
Long tube 5 and the receiving flask 10 being connected with described distillation test tube 4.Between wherein said distillation test tube 4 and described receiving flask 10
Being connected by filter tip 9, described filter tip 9 uses PP material to make, and is provided with beveled in the lower end of described filter tip 9,
It is provided with hydrophobic filter film in the upper end of described filter tip 9.Filter tip 9 beveled form is set, facilitate condensed water dirty,
Water column blocking filter tip will not be formed.
The top of described distillation test tube 4 is provided with twoport and inserts lid 7, and described twoport is inserted lid 7 and is fixedly mounted on institute by cap test tube 6
State on distillation test tube 4.The top of described liquid feeding long tube 5 is inserted lid 7 through described twoport and is arranged on described distillation test tube 4 outside,
The top of described liquid feeding long tube 5 is provided with addition funnel 8.
Wherein, described distillation test tube 4 uses flat high borosilicate to distill test tube, and described distillation test tube 4 is arranged on described stone
In the position, test tube hole of ink body, described distillation test tube 4 is as shuttle, and bottom is smooth to be heated evenly, and thermal efficiency is high, and bottleneck is adopted
With screw socket, being used for installing described twoport and insert lid 7 and cap test tube 6, twoport is inserted the mouth of lid 7 and be may be inserted into described liquid feeding long tube
5, add reagent by described addition funnel 8, twoport insert lid 7 another side mouth for connecting filter tip 9, and then by filter
Described distillation test tube 4 is connected by nozzle 9 with described receiving flask 10, the air-tightness that interface all band taperings connect with guarantee, and can be straight
Connect plug, convenient connection.Also set sample graduation mark on described distillation test tube 4, facilitate sample amounts.
Wherein, described receiving flask 10 upper end connects has distillation to connect flexible pipe 20, and liquid can be facilitated to flow out, and described distillation is even
Connect flexible pipe 20 to be connected with described receiving flask 10 by hose joint 11.Described receiving flask 10 lower end connects described filter tip 9,
The upper end of described filter tip 9 is provided with hydrophobic filter film with the junction of described receiving flask 10.Described receiving flask 10 is set to
Streamlined, interior set amount graduation mark, convenient collection liquid is quantitative.
Additionally, described receiving flask 10 uses lucite to make, described filter tip 9, twoport insert lid 7, addition funnel 8 with
And liquid feeding long tube 5 all uses PP material to make, high temperature resistant non-deformability is strong.The employing polytetrafluoroethyl-ne of described hydrophobic filter film
Alkene make thickness be 2mm, a diameter of 6.5mm circular film, some hole is distributed on described hydrophobic filter film, its hole is straight
Footpath is 20um.
As it is shown in fig. 7, described vacuum extractor includes the bonding in vacuum flexible pipe that vacuum pump 18 is connected with described vacuum pump 18
15 vacuum tubes 12 being connected with described bonding in vacuum flexible pipe 15 and be separately positioned on the vacuum at described base about 19 two ends
Tube column 16.Wherein said vacuum pump 18 is arranged in described control chamber 19, and described receiving flask 10 connects flexible pipe 20 by distillation
Being connected with described vacuum tube 12, the junction connecting flexible pipe 20 and described vacuum tube 12 in described distillation is provided with reset valve 13.Institute
The two ends stating vacuum tube 12 are connected with described vacuum tube column 16 respectively, and described vacuum tube 12 is by described vacuum tube column 16
It is supported on the top of described distillation collection device.
Wherein, it is little that described vacuum extractor has volume, and noise is low, and job stability is high, service life length advantage, can
Long lasting for evacuation, the speed of exhaust is adjustable, can the most multiple passage evacuation, and can by described reset valve 13 flexible
Regulate each passage, be very practical.
Wherein, described vacuum pump 18 is connected with the vacuum control unit of described intelligent controller.Described vacuum extractor
Being additionally provided with pressure transducer, described pressure transducer is connected with described intelligent controller, the pressure that described pressure transducer will record
Force data feeds back to intelligent controller, and then is more accurately controlled described vacuum extractor by described vacuum control unit
Evacuated pressure.Adjustable 1～9 grade of the gear of bleeding of wherein said vacuum extractor, a height of-70Kpa of vacuum, by described
Touch display screen 1 and show real-time vacuum, 12 pressure regulator valves of scalable, be used for controlling 12 passage evacuation, can be simultaneously to 12
Cyanide, the mensuration of ammonia nitrogen in individual water sample provide effective vacuum pressure, and vacuum pump uses non-carbon brush motor to drive, volume
Little, noise is low, and job stability is high, and service life is long.
Wherein, described vacuum tube 12 uses PPR material to make, and has material-saving, environmental protection, high-strength light, corrosion-resistant, inwall light
Sliding non-scaling, the advantage of length in service life.Described bonding in vacuum flexible pipe 15 and described distillation connect flexible pipe 20 and all use medical
Silica gel hose.
As Figure 8-9, described air cooling equipment includes bellows, the multiple fans being arranged in described bellows and gear control
System switch, wherein said bellows include air-cooled panel 141 and the air-cooled back cover 142 being fastened and connected with described air-cooled panel 141,
Described air-cooled panel 141 is provided with the strip air outlet 143 horizontally arranged.Wherein said air outlet 143 is with described
The filter tip 9 of distillation collection device is corresponding so that distilled water steam can cooling for reflux rapidly, improve gas to be measured in sample
The efficient recovery of body, improves experiment accuracy.The both sides of described air-cooled panel 141 are provided with suppending hole 144, described air cooling equipment
It is hung on the vacuum tube column 16 of described vacuum extractor by suppending hole 144, convenient disassembly, by direct for air cooling equipment plug
Being inserted into the air-cooled interface of main frame, air cooling equipment can be started working.
When ammonia nitrogen is tested, heating-up temperature is high, and sample distillation amount is big, uses air cooling equipment to lower the temperature receiving flask, makes
The steam distilled out condenses rapidly and refluxes, and allows gas to be measured pass through hydrophobic filter film, makes collection liquid reach efficient
Reclaim the purpose of gas to be measured.
Wherein, described air cooling equipment is provided with multiple quiet fan, is uniformly blown out by air outlet 143 after bellows circle round,
Ensure that each receiving flask uniformly cools down.
Wherein, the gear control switch of described air cooling equipment is provided with high and low two grades, dials up switch for high-grade, downwards
Stir as low grade, according to using low grade during ambient temperature 25 DEG C, use top grade when 30 DEG C.
In sum, cyanide, ammonia nitrogen that the embodiment of the present invention provides distill catcher, have the advantage that
1, utilize hydrophobic filter film to can pass through non-aqueous gaseous material and make the segregate feature of water vapour, be applied to
In instrument receiving flask, thus reach the purpose that complicated complex is converted, separated.
2, use negative pressure of vacuum, give and solution collection gas offer auxiliary is provided, allow distillation gas to be measured pass through hydrophobic
Property filter membrane, allow whole distillation collection process reach retort gas pressure with collect pressure balance, complete whole collection system
High efficiente callback.
3, change vacuum pump gear by intelligent controller and regulate total speed of exhaust, show current true by touching display screen
Reciprocal of duty cycle, vacuum tube is provided with 12 reset valves, and each reset valve can connect a path needing aspirator vacuum, can complete
Simultaneously to evacuation while 12 paths, regulation reset valve can change corresponding receiving flask speed.
4, graphite heating device constant temperature timing heated, is reminded by described alarm unit automatic alarm and is stopped after having heated
Only heating, the temperature difference of each position, hole of graphite body is ± 1 DEG C, at graphite body surface spraying Teflon acid-alkali-corrosive-resisting so that whole
Heater has good insulation and thermal insulation effect, it is ensured that instrument heats up rapidly, and constant temperature is stable, reliable.
5, the collection to ammonia nitrogen sample, makes the sample in distillation test tube the most fully distill, uses air-cooled dress
Put and make the steam distilled out condense rapidly and reflux, allow gas to be measured pass through hydrophobic filter film, make collection liquid reach
The purpose of high efficiente callback gas to be measured.
6, all parts material of the present invention and structure design, safe and reliable, and between each parts, convenient connection, has good simultaneously
Good air-tightness.
7, the repeatable utilization of receiving flask, only need to provide for simple replacement of hydrophobic filter film, reduces the wasting of resources, protection ring
Border.
8, the sample determination of the present invention, it is adaptable to cyaniding in surface water, subsoil water, sanitary sewage, industrial wastewater and soil
Thing, the pretreatment of ammonia nitrogen sample.Wherein the quantity of sample is 6～12, and sample capacity is 50ml.Heat time heating time may be configured as 0
～4 hours, heating power is 1500W.During thermostatic control, room temperature is～260 DEG C, and control accuracy is ± 1 DEG C.Cyanide measurement model
Enclosing is 0.016～0.25mg/L, and it is 0.01～2.0mg/L that ammonia nitrogen measures scope.
9, graphite body conduction thermal efficiency is high, it is quick to heat up, temperature uniformity is good, and each position, hole maximum temperature difference is 1 DEG C.Stone
Ink body is provided with thermostatic control system, and temperature-controlled precision is high, can arrange heat time heating time, and the temperature-measuring range of temperature sensor is 0～1000
DEG C, thermometric is accurate, wide ranges, whole heater to the heating of various samples, clear up, distill and can reach preferable effect.
10, easy to operate, distillation collection device air-tightness is good, adds reagent convenient, gas-tight, collection device without
Condensed water, sample evaporates immediately and is collected liquid collection immediately, can distill multiple samples simultaneously, and the reliability of equipment is high, at symbol
Close and make the collection of sample under conditions of national standard and prepare more convenient, more accurate, analyze, for sample, the guarantee providing strong,
Reach efficient, clean, the purpose of low cost.
11, the vacuum pump speed of exhaust is up to 15L/min, speed is adjustable 1～9 grade, a height of-70Kpa of vacuum, pressure shows
Being 0～-100Kpa, volume is little, and noise is low, and job stability is high, and service life is long.
12, automatically controlled by intelligent controller, realize touch key-press control, convenient behaviour by touching display screen
Making, use simple, man-machine interaction is good, it is possible to the safety of testing crew is effectively ensured.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent；
And these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. cyanide, an ammonia nitrogen distillation catcher, the graphite heating device including control chamber, being arranged on described control chamber,
The vacuum extractor that the distillation collection device being connected with described graphite heating device is connected with described distillation collection device, it is special
Levying and be: be provided with touch control device in described control chamber, described vacuum extractor is provided with air cooling equipment；
Wherein said touch control device includes the intelligent controller touching display screen and being connected with described touch display screen, institute
State intelligent controller and include heating-up temperature PID control unit, control unit heat time heating time and vacuum control unit, wherein said
Heating-up temperature PID control unit, control unit heat time heating time be connected with described graphite heating device respectively, described vacuum pump control
Unit processed is connected with described vacuum extractor；
Described air cooling equipment includes bellows, the multiple fans being arranged in described bellows and gear control switch, wherein said
Bellows include air-cooled panel and the air-cooled back cover being connected with described air-cooled panel, are provided with horizontally on described air-cooled panel
The strip air outlet arranged, described air outlet is corresponding with the receiving flask of described distillation collection device.
Cyanide the most according to claim 1, ammonia nitrogen distillation catcher, it is characterised in that: described graphite heating device bag
Including graphite body and add heat pipe with described graphite body is in close contact, wherein said graphite body is provided with position, multiple test tube hole, in institute
State and on the outer surface of graphite body, be coated with Teflon anticorrosive coat.
Cyanide the most according to claim 2, ammonia nitrogen distillation catcher, it is characterised in that: described heating-up temperature PID control
Unit processed, control unit heat time heating time are connected with the described heat pipe that adds respectively；Described graphite body is provided with temperature sensor, described temperature
Degree sensor is connected with described intelligent controller.
Cyanide the most according to claim 2, ammonia nitrogen distillation catcher, it is characterised in that: the outside of described graphite body sets
There is heat insulation structure.
Cyanide the most according to claim 1, ammonia nitrogen distillation catcher, it is characterised in that: described distillation collection device bag
Include distillation test tube, the liquid feeding long tube being arranged in described distillation test tube and the receiving flask being connected with described distillation test tube；Its
Described in distill test tube be connected by filter tip between described receiving flask, described filter tip employing PP material make, in institute
State lower end with filter tip and be provided with beveled, be provided with filter membrane in described upper end with filter tip；The air outlet of described air cooling equipment
Corresponding with described filter tip.
Cyanide the most according to claim 5, ammonia nitrogen distillation catcher, it is characterised in that: the top of described distillation test tube
Being provided with twoport and insert lid, described twoport is inserted lid and is fixedly mounted on described distillation test tube by cap test tube.
Cyanide the most according to claim 6, ammonia nitrogen distillation catcher, it is characterised in that: the top of described liquid feeding long tube
Insert lid through described twoport and be arranged on outside described distillation test tube, on the top of described liquid feeding long tube, addition funnel is installed.
Cyanide the most according to claim 5, ammonia nitrogen distillation catcher, it is characterised in that: described vacuum extractor includes
Vacuum tube that bonding in vacuum flexible pipe that vacuum pump is connected with described vacuum pump is hose connection with described bonding in vacuum and respectively
Be correspondingly arranged at the vacuum tube column at two ends, described base left and right, wherein said receiving flask by distillation connect flexible pipe with described very
Blank pipe is connected, and the junction connecting flexible pipe and described vacuum tube in described distillation is provided with reset valve；Described vacuum pump with described very
Empty pump control unit is connected.
Cyanide the most according to claim 8, ammonia nitrogen distillation catcher, it is characterised in that: the two ends of described vacuum tube are divided
Not with the described corresponding connection of two vacuum tube columns, described vacuum tube is arranged on described distillation by described vacuum tube column and receives
The top of acquisition means.
Cyanide the most according to claim 1, ammonia nitrogen distillation catcher, it is characterised in that: described touch display screen is provided with
Heating-up temperature sets button, heat time heating time sets button and vacuum pump gear sets button；Described heating-up temperature set button with
Described heating-up temperature PID control unit is connected, and sets button described heat time heating time and is connected with control unit described heat time heating time, institute
State vacuum pump gear setting button to be connected with described vacuum control unit.
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| CN106198122B (en) | 2019-04-02 |
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