CN209117555U - Water quality gas molecule in space absorbs pretreatment reaction device - Google Patents
Water quality gas molecule in space absorbs pretreatment reaction device Download PDFInfo
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- CN209117555U CN209117555U CN201821571341.4U CN201821571341U CN209117555U CN 209117555 U CN209117555 U CN 209117555U CN 201821571341 U CN201821571341 U CN 201821571341U CN 209117555 U CN209117555 U CN 209117555U
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Abstract
The utility model proposes a kind of water quality gas molecule in space to absorb pretreatment reaction device, belongs to water quality inspection technique field.It includes metering device that water quality gas molecule in space, which absorbs pretreatment reaction device, and the reaction chamber for carrying water sample and reagent can be held, the metering device upper end is connected with feed flow kinetic pump, the lower end of the metering device is connected with multiple-way valve, the multiple-way valve includes that delivery trunk and multiple outputs are in charge of, the delivery trunk connects the metering device, and multiple outputs, which are in charge of, to be connected respectively the reaction chamber, can hold the feeding chamber for carrying water sample, and can hold the reagent chamber for carrying reagent.The utility model has the advantages that accurate measurement, high sensitivity and is able to extend pump tube age.
Description
Technical field
The utility model belongs to field of water quality detection more particularly to a kind of water quality gas molecule in space absorbs pretreatment reaction dress
It sets.
Background technique
The instrument and method of water quality detection at present are many kinds of, wherein and gas molecule in space absorption process can be used for detecting water quality,
Because the detectable index of this method has ammonia nitrogen, permanganate index, total nitrogen, nitrite nitrogen, nitrate nitrogen, total nitrogen, sulfide,
To be widely used to promote, the pretreatment reaction process of gas molecule in space absorption process is complex.
Existing water quality gas molecule in space absorbs pretreatment reaction device, generallys use peristaltic pump flow injection mode, structure
It is relative complex, and the otherness for extracting the amount of sample and reagent every time will affect the accuracy of measurement result.Meanwhile peristaltic pump
Easy residual agent forms dirt in pump line, and because reagent has corrosivity, is easy to make pump line aging with pump line Long Term Contact, influence
Efficiency of transmission and measuring accuracy.
Summary of the invention
The present invention for the above technical issues, proposes that a kind of water quality gas molecule in space absorbs pretreatment reaction device, has
The advantages of measuring accurate, high sensitivity and pump tube age can be extended.
In order to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of water quality gas molecule in space absorbs pretreatment reaction device, including metering device, and can hold carry water sample and
The reaction chamber of reagent, the metering device upper end are connected with feed flow kinetic pump, and the lower end of the metering device is connected with multiple-way valve,
The multiple-way valve includes that delivery trunk and multiple outputs are in charge of, and the delivery trunk connects the metering device, multiple described defeated
It is in charge of out and is connected respectively the reaction chamber, the feeding chamber for carrying water sample can be held, and the reagent chamber for carrying reagent can be held.
Preferably, further including the carrier gas device being connect with the reaction chamber, the reaction chamber, the carrier gas device and institute
State multiple-way valve by triple valve connect, the triple valve includes common end, normally open end and normal-closed end, wherein the common end with
The reaction chamber connection, the normally open end are connect with the multiple-way valve, and the normal-closed end is connect with the carrier gas device.
Preferably, the carrier gas device includes compressed air gas source, pressure maintaining valve, flow stabilizing valve and solenoid valve, the pressure stabilizing
Valve, the flow stabilizing valve and the solenoid valve are set between the compressed air gas source and the triple valve.
Preferably, the reaction chamber includes upper port and lower port, the pipe connecting with the upper port, the lower port
Sealing valve is respectively arranged on road, the interface of pipeline and the reaction chamber is provided with sealing ring.
Preferably, the metering device is gauge line, the gauge line upper and lower ends are provided with control valve, the metering
Optical sensor is additionally provided on pipe, the optical sensor and the control valve are electrically connected.
Preferably, further including being set to the heating device of the reaction cavity outer wall, and adjacent with the reaction chamber set
The cooling device set.
Preferably, the heating device inner wall is provided with temperature sensor, the heating device and the temperature sensing
Device is electrically connected with temperature control device, to control the heating temperature of heating device.
Preferably, the heating mode of the heating device is that heating rod heats or aluminium block is thermally conductive, the cooling device is
Cooling fan.
Compared with prior art, the advantages and positive effects of the present invention are:
This water quality gas molecule in space absorbs pretreatment reaction device and passes through multi-pass by setting reaction chamber, feeding chamber and reagent chamber
Valve is connected to the mode of gauge line, and feed flow kinetic pump is connect with metering device, and water sample, reagent are drawn to metering device
Reaction cavity hybrid reaction is measured and pushed to, water sample, the automatic and accurate metering of reagent, hybrid reaction may be implemented, be not required to
Personnel are wanted to operate, high degree of automation；By the way that feed flow kinetic pump to be set to the upper end of metering device, and the lower end of metering device
Feeding chamber and reagent chamber are connected, feed flow kinetic pump extracts the air in metering device, flows into water sample, reagent using air pressure
Metering device, in this way can be to avoid the contact of water sample, reagent and feed flow kinetic pump pump line, to solve water sample, examination
Agent remains on pump line bring pump line aging, and the problem of influence transfer efficiency and measuring accuracy, have high degree of automation,
The long advantage of accurate measurement, high sensitivity, pump tube age.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that water quality gas molecule in space of the present invention absorbs pretreatment reaction device；
In above each figure: 1, feed flow kinetic pump；2, metering device；3, reaction chamber；4, carrier gas device；5, multiple-way valve；6, three
Port valve；71, feeding chamber；72, reagent chamber.
Specific embodiment
In the following, the utility model is specifically described by illustrative embodiment.It should be appreciated, however, that not having
In the case where being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations
In mode.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
Novel limitation.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Shown in Figure 1, water quality gas molecule in space absorbs pretreatment reaction device, including metering device 2 and reaction chamber 3,
In, water sample and the reagent hybrid reaction in reaction chamber 3,2 upper end of metering device is connected with feed flow kinetic pump 1, metering device 2
Lower end be connected with multiple-way valve 5, multiple-way valve 5 includes that delivery trunk and multiple outputs are in charge of, and delivery trunk connects metering device 2,
Multiple outputs, which are in charge of, is connected respectively reaction chamber 3, feeding chamber 71 and reagent chamber 72, and water sample is contained in feeding chamber 71,
Reagent is contained in reagent chamber 72.Preferably, metering device 2 is gauge line, and feed flow kinetic pump 1 is peristaltic pump.
In such a way that setting reaction chamber 3, feeding chamber 71 and reagent chamber 72 are connected to gauge line by multiple-way valve 5, and it is compacted
Dynamic pump is connect with gauge line, and water sample, reagent are drawn to gauge line and measure and push to 3 hybrid reaction of reaction chamber, can be with
It realizes water sample, the automatic gauge of reagent, hybrid reaction, does not need personnel's operation, high degree of automation；Sample pretreatment with
Reaction all carries out in reaction chamber 3, simplifies structure, is easy to use and safeguards；By the way that peristaltic pump to be set to the upper end of gauge line,
And the lower end of gauge line connects feeding chamber 71 and reagent chamber 72, the air in peristaltic pump pumps gauge line makes water quality using air pressure
Sample, reagent flow into gauge line, in this way can be to avoid the contact of water sample, reagent and peristaltic pump pump line, to solve water quality
Sample, reagent remain on pump line bring pump line aging, and the problem of influence transfer efficiency and measuring accuracy, have automation
The long advantage of degree height, accurate measurement, high sensitivity, pump tube age.
Specifically, it further includes carrier gas device 4 that water quality gas molecule in space, which absorbs pretreatment reaction device, carrier gas device 4 with react
Chamber 3 connects, and provides gas for reaction chamber 3, and purge to liquid in reaction chamber 3, is sufficiently mixed water sample and reagent, instead
It answers.Preferably, carrier gas device 4 is connected to the lower end of reaction chamber 3, purging effect can be made more preferable, so that water quality sample
Product and reagent mixing are more rapidly and more abundant.
Further, reaction chamber 3, carrier gas device 4, be connected by triple valve 6 between multiple-way valve 5, specifically, triple valve 6
Including common end, normally open end and normal-closed end, wherein common end is connect with reaction chamber 3, and normally open end is connect with multiple-way valve 5, normal-closed end
It is connect with carrier gas device 4, according to the frequency of feed flow, gas supply, normally open end is set and is connect with multiple-way valve 5, normal-closed end and carrier gas device 4
Connection, can advanced optimize the working efficiency of pretreatment reaction device.
Further, carrier gas device 4 includes compressed air gas source, pressure maintaining valve, flow stabilizing valve and solenoid valve, pressure maintaining valve, current stabilization
Valve and solenoid valve are set on the pipeline between compressed air gas source and triple valve, and the voltage stabilization and current stabilization of gas supply access may be implemented,
Realize the uniform and stable that gas supply purges reaction chamber 3.
Specifically, it further includes heating device and cooling device, heating dress that water quality gas molecule in space, which absorbs pretreatment reaction device,
Placement location is placed adjacent in 3 outer wall of reaction chamber, cooling device with reaction chamber 3.Heating device is used to heat reaction chamber 3, so that
Mixing liquid gasifies in reaction chamber, absorbs process with the gas molecule in space after carrying out.Heating device is placed on 3 outer wall of reaction chamber,
Quick heating may be implemented, digestion time is short, high-efficient.Herein it should be noted that, the used heating device of the utility model and cold
But device is device commonly used in the art, and the utility model is not limited this.For instance, it is preferred that the heating device
Heating mode is that heating rod heats or aluminium block is thermally conductive, and the cooling device is cooling fan.
Further, heating device inner wall is equipped with temperature sensor, and heating device and temperature sensor are electrically connected with
Temperature control device, temperature sensor are used to temperature collection signal, and by this signal feedback to temperature control device, so temperature control device according to
Actual condition controls heating device, can effectively control 3 heating temperature of reaction chamber, to realize that heating temperature is accurate, into
One step improves pretreatment accuracy.
Further, reaction chamber 3 includes upper port and lower port, is distinguished on the pipeline connecting with upper port, lower port
It is provided with sealing valve, the interface of pipeline and reaction chamber 3 is provided with sealing ring.Pass through setting sealing ring and sealing valve, Ke Yiyou
Effect avoids the leakage that leaks air due to the high temperature and pressure in preprocessing process.
Further, gauge line upper and lower ends are provided with control valve, and optical sensor, optical sensor are additionally provided on gauge line
It is electrically connected with control valve.The liquid level information of gauge line is obtained by optical sensor, host computer, can be to control according to liquid level information
Valve processed control effectively, and to realize gauge line automatic gauge, and improves the accuracy of metering.
Metering device 2 controls the process of the liquid measure of required reagent and sample in preprocessing process are as follows: the installation of gauge line both ends
After having optical sensor, liquid to enter gauge line, peristaltic pump is rotated forward, and when liquid level reaches at optical sensor, is connect with gauge line
Multiple-way valve 5 is closed, and peristaltic pump is out of service, and then the sealing valve 5 of 3 lower end of reaction chamber is opened, peristaltic pump reversion, by required liquid measure
Liquid is pushed into reaction chamber 3.
The pretreatment reaction process that the utility model water quality gas molecule in space absorbs pretreatment reaction device is as follows:
Successively measure sample solution, reagent solution A, reagent solution B, using peristaltic pump as power source, by metering device 2,
Multiple-way valve 5 enters in reaction chamber 3, and metering device 2 controls the inlet of liquid, after the configuration for completing testing sample solution,
It opens heating device to heat reaction chamber 3, and keeps certain temperature, heating device is closed after pretreatment time, open
Reaction chamber 3 is cooled to room temperature by cooling device；Meters reagents C is injected into reaction flask 3, is opened heating device and is added to reaction chamber 3
Heat reaches after setting time using peristaltic pump as power source, and reagent D needed for metering device 2, the metering of multiple-way valve 5 are reacted, metering is completed
Excess reagents in pipeline are retrodicted into back reagent chamber 72 afterwards and clean metering device 2, reduce waste and are avoided pollution.Meanwhile it wriggling
Solution is injected into reaction chamber 3 by pump reversion, unlatching sealing valve, opens triple valve 6, sealing valve, i.e. reaction chamber 3 and carrier gas device
4 connections, opens solenoid valve, gas is entered the liquid in purging reaction chamber 3 by 3 lower end of reaction chamber, so that sample is abundant with reagent
Mixing, reaction.The gas that reaction generates is brought into the gas-liquid separation device of subsequent handling by carrier gas, is entered after gas-liquid separation
It is detected into gas phase molecular absorption spectrometer, the waste liquid after reaction enters waste collecting device and handled.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (8)
1. a kind of water quality gas molecule in space absorbs pretreatment reaction device, it is characterised in that: including metering device, and can Rong Zaishui
The reaction chamber of quality sample and reagent, the metering device upper end are connected with feed flow kinetic pump, the lower end connection of the metering device
There is multiple-way valve, the multiple-way valve includes that delivery trunk and multiple outputs are in charge of, and the delivery trunk connects the metering device, more
A output, which is in charge of, to be connected respectively the reaction chamber, can hold the feeding chamber for carrying water sample, and can be held and be carried reagent
Reagent chamber.
2. water quality gas molecule in space according to claim 1 absorbs pretreatment reaction device, it is characterised in that: further include and institute
The carrier gas device for stating reaction chamber connection is connected between the reaction chamber, the carrier gas device and the multiple-way valve by triple valve,
The triple valve includes common end, normally open end and normal-closed end, wherein the common end is connect with the reaction chamber, described normally opened
End is connect with the multiple-way valve, and the normal-closed end is connect with the carrier gas device.
3. water quality gas molecule in space according to claim 2 absorbs pretreatment reaction device, it is characterised in that: the carrier gas dress
It sets including compressed air gas source, pressure maintaining valve, flow stabilizing valve and solenoid valve, the pressure maintaining valve, the flow stabilizing valve and the solenoid valve are set
It is placed between the compressed air gas source and the triple valve.
4. water quality gas molecule in space according to claim 1 absorbs pretreatment reaction device, it is characterised in that: the reaction chamber
Include upper port and lower port, is respectively arranged with sealing valve, pipeline on the pipeline connecting with the upper port, the lower port
The interface of the reaction chamber is provided with sealing ring.
5. water quality gas molecule in space according to claim 1 absorbs pretreatment reaction device, it is characterised in that: the metering dress
It is set to gauge line, the gauge line upper and lower ends are provided with control valve, and optical sensor, the light are additionally provided on the gauge line
Sensor and the control valve are electrically connected.
6. water quality gas molecule in space according to claim 1 absorbs pretreatment reaction device, it is characterised in that: further include setting
In the heating device of the reaction cavity outer wall, and the cooling device being disposed adjacent with the reaction chamber.
7. water quality gas molecule in space according to claim 6 absorbs pretreatment reaction device, it is characterised in that: the heating dress
It sets inner wall and is provided with temperature sensor, the heating device and the temperature sensor are electrically connected with temperature control device, with control
The heating temperature of heating device.
8. water quality gas molecule in space according to claim 6 or 7 absorbs pretreatment reaction device, it is characterised in that: described to add
The heating mode of thermal is that heating rod heats or aluminium block is thermally conductive, and the cooling device is cooling fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821571341.4U CN209117555U (en) | 2018-09-26 | 2018-09-26 | Water quality gas molecule in space absorbs pretreatment reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821571341.4U CN209117555U (en) | 2018-09-26 | 2018-09-26 | Water quality gas molecule in space absorbs pretreatment reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209117555U true CN209117555U (en) | 2019-07-16 |
Family
ID=67199461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821571341.4U Active CN209117555U (en) | 2018-09-26 | 2018-09-26 | Water quality gas molecule in space absorbs pretreatment reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209117555U (en) |
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2018
- 2018-09-26 CN CN201821571341.4U patent/CN209117555U/en active Active
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