CN205981851U - Clear up system in succession with adjustable pressure, flow - Google Patents
Clear up system in succession with adjustable pressure, flow Download PDFInfo
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- CN205981851U CN205981851U CN201620808658.XU CN201620808658U CN205981851U CN 205981851 U CN205981851 U CN 205981851U CN 201620808658 U CN201620808658 U CN 201620808658U CN 205981851 U CN205981851 U CN 205981851U
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Abstract
The utility model discloses a clear up system in succession with adjustable pressure, flow, this system be including the liquid sample storage tank, hot exchange pipe, the hot digestion instrument that feed through in proper order, liquid sample storage tank upper end communicates air pump and vacuum pump respectively, liquid sample storage tank lower extreme connect the washing liquid bottle respectively, clear up the reagent bottle, be equipped with wait to clear up liquid clear up sample bottle and hot exchange pipe, the utility model discloses a totally closed pipe -line system, the control unit is few, moreover, the steam generator is simple in structure, easy the low cost of each unit material, advance appearance end and adopt the pressure of clearing up liquid in the air pump control tubulation way, the terminal is with the wriggling pump control system digestion solution velocity of flow, cut the tube replacement way through three -way valve and cross valve, realize that different grade type liquid sample inhales storage tank and let -down vessel, and wait to clear up liquid and get into hot digestion instrument, and follow -up clear up the system in the pressure oscillation little, liquid flow continuity is strong, the problem of among the prior art the uncontrollable and volatile material of pressure overflow and lead to the fact harm to the environment is solved.
Description
Technical field：
This utility model is related to clear up technical field and in particular to the continuous digestion system of a kind of pressure, adjustable-flow.
Background technology：
At present sample pre-treatments clear up partly how airtight or semi-open-type is cleared up using pot type.Such mode of clearing up mostly is
Batch type sample introduction, in digestion process, automatization's efficiency is low, and volatile material overflows and environment is worked the mischief.Clearing up
During have that pressure is uncontrollable, have certain danger.
Utility model content：
The purpose of this utility model is to provide a kind of pressure, the continuous digestion system of adjustable-flow, and whole system is full envelope
Close pipe-line system, control unit is few, structure is simple, and fluid pressure is cleared up using in air pressure control piper in sample introduction end, terminal is with compacted
Dynamic pump controls clears up flow velocity, and by pressure, temperature, flow rate regulation realizes the efficient digestion of all kinds of samples, can be widely applied to
Continuously the clearing up of all kinds of fluid sample in the fields such as environment, food, and realize the real-time of all kinds of indexs with the combination of on-line monitoring instrument
Monitoring, solves the problems, such as that in prior art, pressure uncontrollable and volatile material spilling works the mischief to environment.
This utility model is achieved by the following technical programs：
The continuous digestion system of a kind of pressure, adjustable-flow, this system includes fluid sample storage tank, the heat friendship being sequentially communicated
Change pipe, hot digestion instrument, described fluid sample storage tank upper end the first valve is respectively communicated with air pump and vacuum pump；Described liquid
Sample storage tank connects cleanout fluid bottle respectively, clears up reagent bottle, clears up sample bottle and heat equipped with liquid to be cleared up through the second valve
Exchange pipe, described heat-exchange tube is provided with two pipelines being wound around mutually, wherein one pipeline one end connects fluid sample storage tank, separately
One end connects the inlet of hot digestion instrument；One end of another pipeline connects the liquid outlet of described hot digestion instrument, the other end
Connect with digestion solution receiving flask through peristaltic pump；Described fluid sample storage tank is provided with liquidometer, for showing fluid sample Tank
Interior liquid level, the switch according to height of liquid level control the first valve, the second valve, air pump and vacuum pump.
Described fluid sample storage tank is that one or more is in parallel.
When described fluid sample storage tank is one, described fluid sample storage tank upper end is respectively communicated with sky through three-way magnetic valve
Air pump and vacuum pump；Described fluid sample storage tank through cross valve connect respectively cleanout fluid bottle, clear up reagent bottle, equipped with treating digestion solution
Body clear up sample bottle and heat-exchange tube；With cross valve connect cleanout fluid bottle, clear up reagent bottle and clear up sample bottle constitute liquid
The water influent pipeline of body sample storage tank；An orifice heat-exchange tube through cross valve for the drain pipe road of fluid sample storage tank.Institute
The volume stating fluid sample storage tank is 200ml-1000ml, and described fluid sample storage tank is provided with liquidometer, for showing liquid-like
Liquid level, the switch according to height of liquid level control three-way magnetic valve, air pump and vacuum pump in product Tank.Described system passes through control
Air pump processed, vacuum pump, three-way magnetic valve, four-way Vavle switching, attemperating unit and peristaltic pump are realizing continuously disappearing of fluid sample
Solution, air pump controls the pressure clearing up in pipeline, and peristaltic pump adjusts the flow clearing up rear liquid.
When described fluid sample storage tank is first liquid sample storage tank and second liquid sample storage tank two is in parallel, first
Fluid sample storage tank and second liquid sample storage tank upper end are respectively communicated with air pump and vacuum pump through cross valve；First liquid sample
Storage tank upper end connects the first electromagnetic valve, second liquid sample storage tank upper end the 3rd check-valves connection first electricity through first check-valve
Magnet valve；Described first electromagnetic valve is three-way magnetic valve, and an orifice of the first electromagnetic valve clears up sample bottle, another interface
It is respectively communicated with through the second electromagnetic valve and clears up reagent bottle, cleanout fluid bottle, remaining 3rd interface connects through first check-valve respectively
First liquid sample storage tank, the 3rd check-valves connection second liquid sample storage tank；First liquid sample storage tank and second liquid sample
The drain pipe road of product storage tank lower end is respectively through second check-valve, the 4th check-valves connection heat-exchange tube；Described heat-exchange tube is provided with
Article two, the pipeline being wound around, wherein one pipeline is the glass screw pipe of 4-8mm for external diameter, and this pipeline one end is respectively through the second non-return
Valve, the 4th check-valves connection first liquid sample storage tank, second liquid sample storage tank, the other end connects the feed liquor of hot digestion instrument
Mouthful；The external diameter that another pipeline is 3-15m for length is the polyfluortetraethylene pipe of 1.2-2.0mm, is wrapped in described glass screw
Pipe outer wall, one end of this pipeline connects the liquid outlet of described hot digestion instrument, and the other end is through peristaltic pump with digestion solution receiving flask even
Logical；With first check-valve, the 3rd check-valves connect the first electromagnetic valve, the second electromagnetic valve, clear up sample bottle, clear up reagent bottle,
Cleanout fluid bottle constitutes the water influent pipeline of fluid sample storage tank；Described first liquid sample storage tank and second liquid sample storage tank are respectively
It is provided with first liquid level gauge, second liquid level gauge, for showing liquid level in corresponding fluid sample Tank, be additionally operable to according to height of liquid level
Control cross valve, the switch of the first electromagnetic valve, the switching of the second electromagnetic valve and vacuum pump and air pump.Described system passes through control
Air pump processed, vacuum pump, cross valve, the first electromagnetic valve, the second electromagnetism Vavle switching, attemperating unit and peristaltic pump are realizing the first liquid
Body sample storage tank and the alternately feed liquor of second liquid sample storage tank, realize continuously clearing up of fluid sample；By vacuum pump, air
The filling of fluid sample and emptying in each storage tank are realized in pump and cross valve, the first electromagnetic valve, the regulation of the second electromagnetic valve；Air pump
Control the pressure clearing up in pipeline, vacuum pump controls liquid feed liquor, peristaltic pump adjusts the flow clearing up rear liquid.
The flask volume of described first liquid sample storage tank and second liquid sample storage tank is in 200-1000mL.
When described clear up thermal source be electrically heated rod when, be fixed with heating member aluminum cylinder in described hot digestion instrument containment vessel,
Described aluminum cylinder two ends perforate is embedded with electrically heated rod and temperature probe, and aluminum damaged surface is carved with helical groove, twines in helical groove
Wound coil, is enclosed with insulation silica wool outside described aluminum cylinder and coil pipe；Described hot digestion instrument is provided with attemperating unit.Spiral is recessed
The effect one of groove is to fix coil pipe so as to be unlikely to mobile, and two is liquid runs down groove flowing in coil pipe, it is to avoid coil pipe knotting is led
Cause liquor stream not smooth, three is that coil winding can make aluminum component and coil surface be fully contacted raising heat transfer efficiency in groove.
When being embedded with electrically heated rod in aluminum cylinder, aluminum damaged surface is wound with coil pipe, is coil pipe mode of heating, by being embedded in aluminum
Electrically heated rod in cylinder heats so that uniform winding is in the heated coil of aluminum damaged surface.Aluminum cylinder and coil pipe pass through insulation
Silica wool wraps heat-insulated with the external world in containment vessel.In coil pipe, the temperature of liquid is controlled by attemperating unit, temperature
Scope is at 30-220 DEG C.
When described clear up thermal source and be microwave source when, described hot digestion instrument is aluminum shell, and built-in glass screw pipeline is used for
Microwave heating, clears up temperature of liquid by built-in infrared probe monitoring, external attemperating unit controls microwave heating power.
Described heat-exchange tube is provided with the pipeline of two windings, and wherein one pipeline is the glass screw pipe of 4-8mm for external diameter,
This pipeline one end connects fluid sample storage tank through cross valve or check-valves, and the other end connects the inlet of hot digestion instrument, another
The external diameter that bar pipeline is 3-15m for length is the polyfluortetraethylene pipe of 1.2-2.0mm, is wrapped in glass screw pipe outer wall, this pipe
The one end on road connects the liquid outlet of described hot digestion instrument, and the other end connects with digestion solution receiving flask through peristaltic pump.Described heat is handed over
Change pipe for the cooling down preheating and going out after clearing up liquid liquid of sample introduction liquid.Hot digestion instrument hot fluid out flows through
During thin polyfluortetraethylene pipe there is heat exchange in tube wall in the cold flow body with convection current in glass screw pipe, realizes pre- to sample introduction liquid
Heat and to the cooling going out liquor stream body after clearing up.
Described vacuum pump also can be replaced with peristaltic pump, and vacuum pump or peristaltic pump are used for providing negative pressure to be used for fluid sample storage tank
Draw liquid to be cleared up and clear up reagent, described air pump provides required pressure for clearing up pipeline.
Described fluid sample storage tank is used for clearing up reagent and the mixing of liquid to be cleared up.
Described hot digestion instrument carries out precise control by temperature regulating device to the temperature in digestion process.
The fluid sample storage tank of described system, pipeline and joint adopt corrosion-resistant, heat-resisting material composition.
When described fluid sample storage tank is two parallel connections, by two storage tank alternations, pressure in follow-up digestion system
Fluctuation is little, and liquid flowing seriality is strong.
The beneficial effects of the utility model are as follows：
1) this utility model is totally-enclosed pipe-line system, it is to avoid external row to environment harmful gas and acidic liquid
Put, effectively prevent the secondary pollution to environment.
2) this utility model control unit is few, and structure is simple, and each unit material is easy to get with low cost, and sample introduction end adopts air
The pressure of liquid is cleared up, pressure is adjustable between 0.01-0.6MPa, terminal peristaltic pump controls clears up liquor stream in pump control piper
Amount, clears up flow quantity and adjusts between 5-30ml/min, by three-way valve and four-way Vavle switching pipeline, realize dissimilar liquid-like
Product suck storage tank and let-down vessel, and liquid to be cleared up enters hot digestion instrument, and in follow-up digestion system, pressure oscillation is little, liquid
Body flowing seriality is strong, and solve that the uncontrollable and volatile material of pressure in prior art spilling works the mischief to environment asks
Topic.
3) this utility model in digestion process pressure and flow independent control it is achieved that pressure pair in common digestion process
The dependence of flow, due to pressure and flow independent regulation in addition temperature adjustment so that this device is to parameter in digestion process
Regulation has broader scope, increased this device to adaptability extensive during different liquids Specimen eliminating.By pressure, temperature
Degree, flow rate regulation realize the efficient digestion of all kinds of samples, can be widely applied to the company of all kinds of fluid sample in the fields such as environment, food
Continue and clear up, and realize the monitor in real time of all kinds of indexs with the combination of on-line monitoring instrument.
4) pass through Automated condtrol, this plant running is with low cost, easy and simple to handle.This device can be used as individually continuously clearing up
Device uses, and also can use as the pretreating device of all kinds of large-scale on-line instruments, the property transformed is strong.
Brief description：
Fig. 1 is the structural representation of embodiment 1；
Wherein, 1, fluid sample storage tank, 11, air pump, 12, vacuum pump, 13, three-way magnetic valve, 14, cross valve, 15, clear
Bottle for handling liquid toilet or cosmetic substance, 16, clear up reagent bottle, 17, clear up sample bottle, 18, liquidometer, 2, heat-exchange tube, 21, peristaltic pump, 22, digestion solution receives
Collection bottle, 3, hot digestion instrument, 31. attemperating units.
Fig. 2 is the structural representation of embodiment 3；
Wherein, 4, first liquid sample storage tank, 5, second liquid sample storage tank, 6, cross valve, 7, vacuum pump, 8, air
Pump, 9, heat-exchange tube, 10, hot digestion instrument, 41, first liquid level gauge, 42, first check-valve, 43, second check-valve, 51, second
Liquidometer, the 52, the 3rd check-valves, the 53, the 4th check-valves, the 20, first electromagnetic valve, the 30, second electromagnetic valve, 40, clear up sample bottle,
50th, clear up reagent bottle, 60, cleanout fluid bottle, 91, peristaltic pump, 92, digestion solution receiving flask, 101, attemperating unit.
Specific embodiment：
The following is and further illustrate to of the present utility model, rather than to restriction of the present utility model.
Embodiment 1：
The continuous digestion system of a kind of pressure, adjustable-flow, this system includes fluid sample storage tank 1, the heat being sequentially communicated
Exchange pipe 2, hot digestion instrument 3, described fluid sample storage tank 1 upper end is respectively communicated with air pump 11 and vacuum through three-way magnetic valve 13
Pump 12；Described fluid sample storage tank 1 through cross valve 14 connect respectively cleanout fluid bottle 15, clear up reagent bottle 16, equipped with treating digestion solution
Body clear up sample bottle 17 and heat-exchange tube 2, described heat-exchange tube 2 is provided with two pipelines being wound around mutually, wherein one pipeline
One end connects fluid sample storage tank 1 through cross valve 14, and the other end connects the inlet of hot digestion instrument 3；The one of another pipeline
End connects the liquid outlet of described hot digestion instrument 3, and the other end connects with digestion solution receiving flask 22 through peristaltic pump 21.With cross valve even
The cleanout fluid bottle 15 connecing, the water influent pipeline cleared up reagent bottle 16 and clear up sample bottle 17 composition fluid sample storage tank 1.Fluid sample
An orifice heat-exchange tube 2 through cross valve 14 for the drain pipe road of storage tank 1.
The volume of described fluid sample storage tank is 200ml-1000ml, and described fluid sample storage tank 1 is provided with liquidometer 18, uses
In display fluid sample storage tank 1 tank liquid level, control three-way magnetic valve 13, air pump 11 and vacuum pump 12 according to height of liquid level
Switch.
Described thermal source of clearing up is electrically heated rod, is fixed with heating member aluminum cylinder in described hot digestion instrument 3 containment vessel, described
The two ends perforate of aluminum cylinder is embedded with electrically heated rod and temperature probe, and aluminum damaged surface is carved with helical groove, is wound with helical groove
Coil pipe, is enclosed with insulation silica wool outside described aluminum cylinder and coil pipe.Described hot digestion instrument 3 is provided with attemperating unit 31.Described
Hot digestion instrument 3 is coil pipe mode of heating, is heated so that uniform winding is in aluminum cylinder by the electrically heated rod being embedded in aluminum cylinder
The heated coil on surface.Aluminum cylinder and coil pipe by be incubated silica wool wrap heat-insulated with the external world in containment vessel.In coil pipe
The temperature of liquid is controlled by attemperating unit, and temperature range is at 30-220 DEG C.
Described coil pipe is tetrafluoroethene pipe, and the effect one of helical groove is to fix tetrafluoroethene pipe so as to be unlikely to mobile,
Two be tetrafluoroethene liquid in pipe along groove flow when avoid the knotting of tetrafluoroethene pipe to lead to liquor stream not smooth, three is tetrafluoroethene
Pipe is wrapped in groove can make aluminum component and tetrafluoroethene pipe surface be fully contacted raising heat transfer efficiency.
Described heat-exchange tube 2 is provided with the pipeline of two windings, and wherein one pipeline is the glass screw of 4-8mm for external diameter
Pipe, this pipeline one end connects fluid sample storage tank 1 through cross valve 14, and the other end connects the inlet of hot digestion instrument 3；Another
The external diameter that pipeline is 3-15m for length is the polyfluortetraethylene pipe of 1.2-2.0mm, is wrapped in described glass screw pipe outer wall, should
One end of pipeline connects the liquid outlet of described hot digestion instrument 3, and the other end connects with digestion solution receiving flask 22 through peristaltic pump 21.Institute
State heat-exchange tube for the cooling down preheating and going out after clearing up liquid liquid of sample introduction liquid.Hot digestion instrument hot-fluid out
Body flows through the cold flow body with convection current in glass screw pipe during polyfluortetraethylene pipe, in tube wall, heat exchange occurs, and realizes to sample introduction liquid
Preheating and to the cooling going out liquor stream body after clearing up.
Described air pump 11 provides required pressure for clearing up pipeline, and vacuum pump 12 is used for providing negative pressure to be used for fluid sample
Storage tank 1 is drawn liquid to be cleared up and is cleared up reagent.
Fluid sample storage tank 1 is used for clearing up reagent and the mixing of liquid to be cleared up.
Described hot digestion instrument 3 carries out precise control by temperature regulating device 31 to the temperature in digestion process.
The fluid sample storage tank of described system, pipeline and joint adopt corrosion-resistant, heat-resisting material composition.
Described system is passed through to control air pump 11, vacuum pump 12, three-way magnetic valve 13, cross valve 14 to switch, attemperating unit
31 and peristaltic pump 21 realizing continuously clearing up of fluid sample, air pump 11 controls the pressure clearing up in pipeline, and peristaltic pump 21 is adjusted
Section clears up the flow of rear liquid.
During Liquid sample introduction, vacuum pump 12 is opened, and is switched by three-way magnetic valve 13, vacuum pump 12 and fluid sample storage tank 1
Connection, is switched by cross valve 14, equipped with liquid to be cleared up clear up sample bottle 17 and clear up reagent bottle 16 successively with liquid-like
Product storage tank 1 connects, and under the negative pressure of vacuum pump, clears up the liquid to be cleared up in sample bottle 17 and clears up clearing up in reagent bottle 16
Reagent sequentially enters fluid sample storage tank 1 and is mixed.When liquid is to liquidometer 18 high level, three-way valve 13 and cross valve 14
Switching, fluid sample storage tank 1 is connected with air pump 11 and heat-exchange tube 2 respectively, and air pump 11 works, now fluid sample storage tank
In 1, liquid is entered by cross valve 14 under pressure and enters back into hot digestion instrument 3 after heat-exchange tube 2.From hot digestion instrument 3
Liquid outlet flow out for high temperature and high pressure gas, with the sample introduction cold flow body entering from fluid sample storage tank 1 after entering heat-exchange tube 2
Rapid generation heat exchange becomes liquid, and the cooling liquid flowing out from heat-exchange tube 2 enters digestion solution receiving flask 22 through peristaltic pump 21,
Realize continuously clearing up of fluid sample.When fluid sample storage tank 1 liquid level drops to liquidometer 18 low liquid level, three-way valve 13 and four
Port valve 14 switching completes single injected sampling process, enters and circulates sample introduction next time.
Embodiment 2：
Reference implementation example 1, difference is that vacuum pump is replaced with peristaltic pump, and hot digestion instrument is aluminum shell, built-in glass
Glass spiral pipeline is used for microwave heating, clears up temperature of liquid by built-in infrared probe monitoring, external attemperating unit controls micro-
Wave heating power.
Embodiment 3：
Reference implementation example 1, difference is, described fluid sample storage tank is first liquid sample storage tank 4 and the second liquid
5 two parallel connections of body sample storage tank, a kind of concrete structure pressure as shown in Figure 2, the continuous digestion system of adjustable-flow, this system
Including the fluid sample storage tank being sequentially communicated, heat-exchange tube 9, hot digestion instrument 10, described fluid sample storage tank is first liquid
Sample storage tank 4 and 5 two parallel connections of second liquid sample storage tank, first liquid sample storage tank 4 and second liquid sample storage tank 5 upper end
It is respectively communicated with air pump 8 and vacuum pump 7 through cross valve 6；First liquid sample storage tank 4 upper end connects first through first check-valve 42
Electromagnetic valve 20, second liquid sample storage tank 5 upper end the 3rd check-valves 52 connect the first electromagnetic valve 20；Described first electromagnetic valve 20
For three-way magnetic valve, an orifice of the first electromagnetic valve 20 clears up sample bottle 40, and another interface is through the second electromagnetic valve 30
It is respectively communicated with and clears up reagent bottle 50, cleanout fluid bottle 60, remaining 3rd interface connects the first liquid through first check-valve 42 respectively
Body sample storage tank 4, the 3rd check-valves 52 connection second liquid sample storage tank 5；First liquid sample storage tank 4 and second liquid sample
The drain pipe road of storage tank 5 lower end connects heat-exchange tube through second check-valve 43, the 4th check-valves 53 respectively；Described heat-exchange tube sets
There is the pipeline of two windings, wherein one pipeline is the glass screw pipe of 4-8mm for external diameter, and this pipeline one end is stopped through second respectively
Return valve 43, the 4th check-valves 53 connection first liquid sample storage tank 4, second liquid sample storage tank 5, other end connection heat clears up dress
Put 10 inlet；The external diameter that another pipeline is 3-15m for length is the polyfluortetraethylene pipe of 1.2-2.0mm, is wrapped in institute
State glass screw pipe outer wall, one end of this pipeline connects the liquid outlet of described hot digestion instrument, and the other end is through peristaltic pump with clearing up
Liquid receiving flask connects；With first check-valve 42, the first electromagnetic valve 20 of the 3rd check-valves 52 connection, the second electromagnetic valve 30, clear up
Sample bottle 40, clear up reagent bottle 50, cleanout fluid bottle 60 constitute fluid sample storage tank water influent pipeline.
Described first liquid sample storage tank 4 and second liquid sample storage tank 5 are respectively equipped with first liquid level gauge 41, the second liquid level
Meter 51, for showing liquid level in corresponding fluid sample Tank, is additionally operable to control cross valve 6, the first electromagnetism according to height of liquid level
The switch of valve 20, the switching of the second electromagnetic valve 30 and vacuum pump 7 and air pump 8.
Described system is passed through to control air pump 8, vacuum pump 9, cross valve 6, the first electromagnetic valve 20, the second electromagnetic valve 30 to cut
Change, attemperating unit 101 and peristaltic pump 91 realizing the alternately feed liquor of first liquid sample storage tank 4 and second liquid sample storage tank 5,
Realize continuously clearing up of fluid sample, by vacuum pump 9, air pump 8 and cross valve 6, the first electromagnetic valve 20, the second electromagnetic valve 30
Regulation realize the filling of fluid sample and emptying in each storage tank；Air pump 8 controls the pressure clearing up in pipeline, and vacuum pump 9 is controlled
Liquid feed liquor processed, peristaltic pump 91 adjusts the flow clearing up rear liquid.
The flask volume of described first liquid sample storage tank and second liquid sample storage tank is in 200-1000mL.
During Liquid sample introduction, switched by cross valve 6, vacuum pump 7 is connected with first liquid sample storage tank 4, stops by first
Return valve 42, the first electromagnetic valve 20, the second electromagnetic valve 30 switch, clearing up sample bottle 40 and clearing up reagent bottle equipped with liquid to be cleared up
50 are connected with first liquid sample storage tank 4 successively, under the negative pressure of vacuum pump 7, clear up liquid to be cleared up in sample bottle 40 and
The reagent of clearing up cleared up in reagent bottle 50 sequentially enters first liquid sample storage tank 4 and is mixed.When liquid is to entrance first
During fluid sample storage tank 4 first liquid level gauge 41 high level, cross valve 6 switches, and vacuum pump 7 is connected with second liquid sample storage tank 5,
Air pump 8 is connected with first liquid sample storage tank 4, and air pump 8 works, now in first liquid sample storage tank 4 liquid in pressure
Effect lower entrance by second check-valve 43 enters back into subsequent thermal digestion instrument 10, meanwhile, in vacuum pump 7 after heat-exchange tube 9
Under negative pressure, the reagent of clearing up cleared up the liquid to be cleared up in sample bottle 40 and clear up in reagent bottle 50 sequentially enters second liquid sample
Product storage tank 5 is mixed.When liquid is to second liquid sample storage tank 5 second liquid level gauge 51 high level, vacuum pump 7 stops work
Make, when the liquid level in first liquid sample storage tank 4 drops to first liquid level gauge 41 low liquid level, cross valve 6 switching completes once
Sample introduction, enters and circulates sample introduction next time.The liquid flowing out from the liquid outlet of hot digestion instrument 10 is generally high temperature and high pressure gas, enters
Occur rapidly with the sample introduction cold flow body entering from first liquid sample storage tank 4 or second liquid sample storage tank 5 after entering heat-exchange tube 9
Heat exchange carries out cooling and obtains liquid, and the cooling liquid flowing out from heat-exchange tube 9 enters digestion solution receiving flask 92 through peristaltic pump 91,
Realize continuously clearing up of fluid sample.
Embodiment 4：
Reference implementation example 3, difference is that vacuum pump is replaced with peristaltic pump, and hot digestion instrument is aluminum shell, built-in glass
Glass spiral pipeline is used for microwave heating, clears up temperature of liquid by built-in infrared probe monitoring, external attemperating unit controls micro-
Wave heating power.
Claims (7)
1. a kind of pressure, the continuous digestion system of adjustable-flow are it is characterised in that this system includes the fluid sample being sequentially communicated
Storage tank, heat-exchange tube, hot digestion instrument, described fluid sample storage tank upper end the first valve is respectively communicated with air pump and vacuum
Pump；Described fluid sample storage tank connects cleanout fluid bottle respectively, clears up reagent bottle, clearing up equipped with liquid to be cleared up through the second valve
Sample bottle and heat-exchange tube, described heat-exchange tube is provided with two pipelines being wound around mutually, and wherein one pipeline one end connects liquid
Sample storage tank, the other end connects the inlet of hot digestion instrument；One end of another pipeline connects going out of described hot digestion instrument
Liquid mouth, the other end connects with digestion solution receiving flask through peristaltic pump；Described fluid sample storage tank is provided with liquidometer, for showing liquid
Liquid level, the switch according to height of liquid level control the first valve, the second valve, air pump and vacuum pump in sample Tank.
2. pressure according to claim 1, the continuous digestion system of adjustable-flow are it is characterised in that described fluid sample
When storage tank is one, described fluid sample storage tank upper end is respectively communicated with air pump and vacuum pump through three-way magnetic valve；Described liquid
Sample storage tank connects cleanout fluid bottle respectively, clears up reagent bottle, clears up sample bottle and Re Jiao equipped with liquid to be cleared up through cross valve
Change pipe；The cleanout fluid bottle connecting with cross valve, the water influent pipeline cleared up reagent bottle and clear up sample bottle composition fluid sample storage tank；
An orifice heat-exchange tube through cross valve for the drain pipe road of fluid sample storage tank；The volume of described fluid sample storage tank is
200ml-1000ml, described fluid sample storage tank is provided with liquidometer, for showing liquid level in fluid sample Tank, according to liquid level
Height controls the switch of three-way magnetic valve, air pump and vacuum pump.
3. pressure according to claim 1, the continuous digestion system of adjustable-flow are it is characterised in that described fluid sample
Storage tank be first liquid sample storage tank and second liquid sample storage tank two in parallel when, first liquid sample storage tank and second liquid
Sample storage tank upper end is respectively communicated with air pump and vacuum pump through cross valve；First liquid sample storage tank upper end is through first check-valve even
Logical first electromagnetic valve, second liquid sample storage tank upper end the 3rd check-valves connect the first electromagnetic valve；Described first electromagnetic valve is
Three-way magnetic valve, an orifice of the first electromagnetic valve clears up sample bottle, and another interface is respectively communicated with through the second electromagnetic valve
Clear up reagent bottle, cleanout fluid bottle, remaining 3rd interface respectively through first check-valve connection first liquid sample storage tank, the 3rd
Check-valves connect second liquid sample storage tank；The drain pipe road of first liquid sample storage tank and second liquid sample storage tank lower end is divided
Not through second check-valve, the 4th check-valves connection heat-exchange tube；Described heat-exchange tube be provided with two winding pipelines, wherein one
Pipeline is the glass screw pipe of 4-8mm for external diameter, and this pipeline one end connects the first liquid through second check-valve, the 4th check-valves respectively
Body sample storage tank, second liquid sample storage tank, the other end connects the inlet of hot digestion instrument；Another pipeline is 3- for length
The external diameter of 15m is the polyfluortetraethylene pipe of 1.2-2.0mm, is wrapped in described glass screw pipe outer wall, one end connection of this pipeline
The liquid outlet of described hot digestion instrument, the other end connects with digestion solution receiving flask through peristaltic pump；With first check-valve, the 3rd non-return
Valve connect the first electromagnetic valve, the second electromagnetic valve, clear up sample bottle, clear up reagent bottle, cleanout fluid bottle constitute fluid sample storage tank
Water influent pipeline；Described first liquid sample storage tank and second liquid sample storage tank are respectively equipped with first liquid level gauge, the second liquid level
Meter, for showing liquid level in corresponding fluid sample Tank, be additionally operable to according to height of liquid level control cross valve, the first electromagnetic valve,
The switching of the second electromagnetic valve and the switch of vacuum pump and air pump.
4. the pressure according to claim 1 or 2 or 3, the continuous digestion system of adjustable-flow are it is characterised in that described warm
It is fixed with heating member aluminum cylinder, described aluminum cylinder two ends perforate is embedded with electrically heated rod and temperature probe in digestion instrument containment vessel,
Aluminum damaged surface is carved with helical groove, is wound around coil pipe in helical groove, is enclosed with insulation quartz outside described aluminum cylinder and coil pipe
Cotton；Described hot digestion instrument is provided with attemperating unit.
5. the pressure according to claim 1 or 2 or 3, the continuous digestion system of adjustable-flow are it is characterised in that described warm
Digestion instrument is aluminum shell, and built-in glass screw pipeline is used for microwave heating, clears up liquid by built-in infrared probe monitoring
Temperature, external attemperating unit controls microwave heating power.
6. pressure according to claim 1 and 2, the continuous digestion system of adjustable-flow are it is characterised in that described heat exchange
Pipe is provided with the pipeline of two windings, and wherein one pipeline is the glass screw pipe of 4-8mm for external diameter, and this pipeline one end is through four-way
Valve or check-valves connection fluid sample storage tank, the other end connects the inlet of hot digestion instrument, and another pipeline is 3- for length
The external diameter of 15m is the polyfluortetraethylene pipe of 1.2-2.0mm, is wrapped in glass screw pipe outer wall, and one end connection of this pipeline is described
The liquid outlet of hot digestion instrument, the other end connects with digestion solution receiving flask through peristaltic pump.
7. the pressure according to claim 1 or 2 or 3, the continuous digestion system of adjustable-flow are it is characterised in that described true
Empty pump is replaced with peristaltic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620808658.XU CN205981851U (en) | 2016-07-28 | 2016-07-28 | Clear up system in succession with adjustable pressure, flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620808658.XU CN205981851U (en) | 2016-07-28 | 2016-07-28 | Clear up system in succession with adjustable pressure, flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205981851U true CN205981851U (en) | 2017-02-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153435A (en) * | 2016-07-28 | 2016-11-23 | 中国广州分析测试中心 | A kind of pressure, the continuous digestion system of adjustable-flow |
| CN107543747A (en) * | 2017-08-25 | 2018-01-05 | 吉林大学 | A kind of rapid microwave aids in leaching device and method |
-
2016
- 2016-07-28 CN CN201620808658.XU patent/CN205981851U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153435A (en) * | 2016-07-28 | 2016-11-23 | 中国广州分析测试中心 | A kind of pressure, the continuous digestion system of adjustable-flow |
| CN106153435B (en) * | 2016-07-28 | 2018-10-02 | 中国广州分析测试中心 | A kind of pressure, the continuous digestion system of adjustable-flow |
| CN107543747A (en) * | 2017-08-25 | 2018-01-05 | 吉林大学 | A kind of rapid microwave aids in leaching device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20181002 |