CN112240906B - Waste water VOCs detection device - Google Patents
Waste water VOCs detection device Download PDFInfo
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- CN112240906B CN112240906B CN201910643898.7A CN201910643898A CN112240906B CN 112240906 B CN112240906 B CN 112240906B CN 201910643898 A CN201910643898 A CN 201910643898A CN 112240906 B CN112240906 B CN 112240906B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a wastewater VOCs detection device, which relates to the field of wastewater VOCs detection devices and adopts the technical scheme that: ionization source cavity one side is equipped with and stretches into cavity tubulose membrane upper end open-ended inlet tube, the one end that the inlet tube stretches into cavity tubulose membrane is connected with the first lateral wall that the perpendicular inlet tube distributes, evenly be equipped with a plurality of second lateral walls along first lateral wall radial distribution on the first lateral wall, each the second lateral wall is equipped with a plurality of holes of permeating water that pierce through the second lateral wall, each the hole evenly distributed of permeating water on the second lateral wall, be equipped with the thru hole device in clean hole of permeating water on the ionization source cavity, reach the homogeneity that improves waste water inflow cavity tubulose membrane below, and then make the organic matter molecule in the waste water can spread in the ionization source cavity uniformly, improve the accuracy nature of testing result.
Description
Technical Field
The invention relates to the field of wastewater VOCs detection devices, in particular to a wastewater VOCs detection device.
Background
VOCs are common volatile organic pollutants, and they mainly derive from factory wastewater discharge, municipal sewage discharge and running water disinfection, and VOCs can be carcinogenic, teratogenesis or mutagenesis, and its harmfulness is very big, and the VOCs volatile organic matter content is low in the factory wastewater, and it is extremely difficult to directly survey it, must at first separate the enrichment to the factory wastewater then detect, and at present, traditional water sample VOCs pretreatment is usually realized by adopting the entrapment technique that sweeps.
Chinese patent CN206163457U discloses a membrane sample introduction device for automatic online continuous monitoring of VOCs in water, and the technical scheme is as follows: the vacuum ultraviolet lamp is arranged above the outer part of the ionization source cavity and is in sealing connection with the upper surface of the repulsion electrode, the 3-8 PEEK fixed columns are distributed around the emergent light of the vacuum ultraviolet lamp, the hollow tubular membrane is wound on the outer sides of the 3-8 PEEK fixed columns far away from the emergent light in a spiral mode, when a water sample flows through the membrane, because water hardly penetrates through the membrane and organic matters easily penetrate through the membrane, the organic matters are enriched in the ionization source cavity, organic matter molecules diffused into the ionization source cavity are mostly ionized into molecular ion peaks under the action of vacuum ultraviolet light photons, and target ions are transmitted to the next stage of the mass spectrometer under the action of the repulsion electrode, the ion transmission electrode and the hole electrode and are detected.
However, because the water inlet is arranged at one side of the upper end of the ionization source cavity, when a wastewater sample enters the hollow tubular membrane, more organic enrichment substances are arranged at one end, close to the water inlet, of the ionization source cavity, so that organic matter molecules in the ionization source cavity are uneven, and the irradiation range of a vacuum ultraviolet lamp fixedly arranged above the ionization source cavity is limited, so that most organic matter molecules in the ionization source cavity are not easily ionized by vacuum ultraviolet photons, and the accuracy of a detection result is influenced.
Disclosure of Invention
The invention aims to provide a wastewater VOCs detection device, which has the advantages that: the uniformity of the wastewater flowing into the lower part of the hollow tubular membrane is improved, so that organic matter molecules in the wastewater can be uniformly diffused into the ionization source cavity, and the accuracy of a detection result is improved.
The technical purpose of the invention is realized by the following technical scheme: a waste water VOCs detection device comprises an ionization source cavity, a hollow tubular membrane, a vacuum ultraviolet lamp, a repulsion electrode, an ion transmission electrode and a hole electrode, wherein 3-8 PEEK fixed columns are arranged in the ionization source cavity, the repulsion electrode is fixed on the upper portions of the PEEK fixed columns, the ion transmission electrode is fixed on the lower portions of the PEEK fixed columns, and the hole electrode is located below the ion transmission electrode.
The vacuum ultraviolet lamp ionization source comprises a hollow tubular membrane, wherein one end, close to the vacuum ultraviolet lamp, of the hollow tubular membrane is of an open structure, the other end of the hollow tubular membrane is closed, the outer wall of each PEEK fixed column is bonded on the outer wall of the hollow tubular membrane, a water inlet pipe extending into an opening in the upper end of the hollow tubular membrane is arranged on one side of an ionization source cavity, one end, extending into the hollow tubular membrane, of the water inlet pipe is connected with a first water distribution pipe perpendicular to the distribution of the water inlet pipe, a plurality of second water distribution pipes radially distributed along the first water distribution pipes are evenly arranged on the first water distribution pipe, a plurality of water permeable holes penetrating through the side wall of each second water distribution pipe are arranged on each second water distribution pipe, an L-shaped water outlet pipe is communicated with one side, opposite to the water inlet pipe, of the hollow tubular membrane is connected with the L-shaped water outlet pipe and extends out of the outer wall of the ionization source cavity through a water pump, a stop valve is arranged at the water outlet end of the L-shaped water outlet pipe, and a through hole device for cleaning the water permeable holes is arranged on the ionization source cavity.
Through adopting above-mentioned technical scheme, waste water flows into the ionization source cavity in from the inlet tube, the inlet tube passes through each second shunt pipe of first shunt pipe flow direction with waste water this moment, the even distribution of second shunt pipe is in cavity tubulose membrane top, when sewage flows out the second shunt pipe from the hole of permeating water, the homogeneity that the sewage flows to cavity tubulose membrane top has been improved, and then make in the organic matter molecule in the waste water can spread the ionization source cavity uniformly, improve the accuracy nature of testing result, detect for a long time many times, permeate water and pile up the impurity in the waste water easily in the hole, the dirt, the clear water device is convenient for clean the hole of permeating water, make things convenient for next use.
Preferably, the through hole device includes the lifter that stretches into in the ionization source cavity and distribute in inlet tube one side, the one end that the lifter stretches into the ionization source cavity is connected with the distribution pole parallel with first minute water pipe, evenly be equipped with a plurality of clean poles along distribution pole radial distribution on the distribution pole, each clean pole is in each distribute directly over the second minute water pipe, each one side that clean pole orientation was permeated water the hole is equipped with the fluff relative with each hole of permeating water, be equipped with on the ionization source cavity and remove the fluff to the downthehole first moving member that permeates water.
Through adopting above-mentioned technical scheme, remove the moving member, move the fluff towards the hole of permeating water, be convenient for clean downthehole remaining impurity, the dirt of permeating water, convenient next use.
Preferably, the first moving member includes a vertical long-strip groove formed in the ionization source cavity, a moving block is connected to the wall of the long-strip groove hole in a sliding mode, one side of the moving block is connected to the lifting rod, a compression spring is arranged in the long-strip groove, one end of the compression spring is connected to the moving block, the other end of the compression spring is connected to the bottom wall of the long-strip groove, a push rod penetrating out of the upper end of the ionization source cavity is vertically connected to one side, opposite to the compression spring, of the moving block, the push rod is movably arranged at the upper end of the ionization source cavity in a penetrating mode, when the bottom wall of the distribution rod is abutted to the upper end of the first water distribution pipe through the compression spring, the fluff respectively stretches into the water permeable holes opposite to the fluff, the purpose of cleaning impurities in the water permeable holes is achieved, and blockage of the water permeable holes is prevented.
Through adopting above-mentioned technical scheme, the operator removes the movable block towards compression spring direction, and when the distribution pole diapire was contradicted in first water diversion pipe upper end, each fluff stretched into each hole of permeating water respectively.
Preferably, an observation hole is formed in the upper portion of the side wall, opposite to the water inlet pipe, of the ionization source cavity, a transparent glass plate is embedded in the observation hole, and the glass plate is distributed on the upper side of the hollow tubular membrane.
By adopting the technical scheme, in the process that the wastewater flows into the hollow tubular membrane through the water inlet pipe, the water level in the hollow tubular membrane can be observed from the transparent glass plate, the wastewater is prevented from flowing out of the hollow tubular membrane, and the measuring accuracy is improved.
Preferably, the ionization source cavity is provided with a second moving part which enables the vacuum ultraviolet lamp to move along the axial direction of the water inlet pipe.
By adopting the technical scheme, the vacuum ultraviolet lamp above the ionization source cavity is moved, the irradiation range of the vacuum ultraviolet lamp is enlarged, most organic matter molecules in the ionization source cavity are ionized by vacuum ultraviolet photons, and the accuracy of a detection result is improved.
Preferably, the second moving member is including seting up the shifting chute of rectangular shape on ionization source cavity top inner wall, the shifting chute distributes along ionization source cavity length direction, the shifting chute embedding has the slider, slider threaded connection has the screw rod that is on a parallel with the shifting chute and distributes, screw rod one end is rotated and is connected on the lateral wall of ionization source cavity, and outside the other end stretches out ionization source wall body lateral wall, the vacuum ultraviolet lamp sets up on one side that the slider deviates from the shifting chute diapire.
By adopting the technical scheme, firstly, one end of the screw rod is rotated, so that the sliding block which is in threaded connection with the screw rod slides in the moving groove, the vacuum ultraviolet lamp is driven to move in the ionization source cavity, each corner of the ionization source cavity can be irradiated by the vacuum ultraviolet lamp, most organic matter molecules in the ionization source cavity are ionized by vacuum ultraviolet photons, and the accuracy of a detection result is improved; secondly, only one vacuum ultraviolet lamp, the screw rod and the sliding block are needed to enlarge the irradiation range of the vacuum ultraviolet lamp, the ionization source cavity is not required to be fully distributed with the vacuum ultraviolet lamps, and the vacuum ultraviolet lamp is simple in structure, economical and economical.
Preferably, one end of the screw rod extending out of the ionization source cavity is provided with a rotating handle.
By adopting the technical scheme, an operator can conveniently rotate the screw rod, and the handle can be directly rotated.
In conclusion, the invention achieves the following beneficial effects: firstly, the uniformity of the wastewater flowing into the lower part of the hollow tubular membrane is improved, so that organic matter molecules in the wastewater can be uniformly diffused into the cavity of the ionization source, and the accuracy of a detection result is improved; secondly, impurities and dirt remained in the water permeable holes can be cleaned, and the water permeable holes are convenient to use next time; and thirdly, the irradiation range of the vacuum ultraviolet lamp is enlarged, so that most organic matter molecules in the cavity of the ionization source are ionized by vacuum ultraviolet photons, and the accuracy of a detection result is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic structural diagram of the first water dividing pipe and the second water dividing pipe in the embodiment;
fig. 3 is a schematic structural diagram for embodying an aperture electrode in the present embodiment.
In the figure: 1. an ionization source cavity; 2. a hollow tubular membrane; 3. a vacuum ultraviolet lamp; 4. a repulsion electrode; 5. an ion-transport electrode; 6. a hole electrode; 7. PEEK fixing columns; 8. a water inlet pipe; 9. a first water diversion pipe; 10. a second water distribution pipe; 11. water permeable holes; 12. a lifting rod; 13. a distribution rod; 14. a cleaning rod; 15. softening the wool; 16. a long groove; 17. a moving block; 18. a compression spring; 19. an observation hole; 20. a glass plate; 21. a moving groove; 22. a slider; 23. a screw; 24. rotating the handle; 25. a push rod; 26. an L-shaped water outlet pipe; 27. and a stop valve.
Detailed Description
The following examples are provided to further illustrate the present invention in detail with reference to the accompanying drawings.
A waste water VOCs detection device is shown in figure 1 and comprises an ionization source cavity 1, a hollow tubular membrane 2, a vacuum ultraviolet lamp 3, a repulsion electrode 4, an ion transmission electrode 5 and a hole electrode 6, wherein 3 PEEK fixing columns 7 are arranged in the ionization source cavity 1, one end, close to the vacuum ultraviolet lamp 3, of the hollow tubular membrane 2 is of an open structure, the other end of the hollow tubular membrane is closed, namely the hollow tubular membrane 2 is folded into a U shape, waste water is introduced into one end, with an opening, of the hollow tubular membrane 2, the outer walls of the 3 PEEK fixing columns 7 are bonded to the outer wall of the hollow tubular membrane 2, the hollow tubular membrane 2 is located among the 3 PEEK fixing columns 7, the repulsion electrode 4 is fixed to the upper portion of the PEEK fixing column 7, the ion transmission electrode 5 is fixed to the lower portion of the PEEK fixing column 7, and the hole electrode 6 (shown in figure 3) is located below the ion transmission electrode 5.
As shown in fig. 1, as shown in fig. 2, ionization source cavity 1 one side is equipped with and stretches into hollow tubular membrane 2 upper end open-ended inlet tube 8, the one end that inlet tube 8 stretches into hollow tubular membrane 2 is connected with the first minute water pipe 9 that perpendicular inlet tube 8 distributes, evenly be equipped with a plurality of second minute water pipes 10 along first minute water pipe 9 radial distribution on the first minute water pipe 9, each second minute water pipe 10 is equipped with a plurality of holes 11 that permeate water that pierce through second minute water pipe 10 lateral wall, the hole 11 evenly distributed that permeates water on each second minute water pipe 10, waste water flows into ionization source cavity 1 from inlet tube 8, inlet tube 8 is with waste water flow to each second minute water pipe 10 through first minute water pipe 9 this moment, the even distribution of second minute water pipe 10 is in hollow tubular membrane 2 top, when waste water flows out second minute water pipe 10 from hole 11 that permeates water, the homogeneity that the sewage flows to hollow tubular membrane 2 top has been improved, and then make the organic matter molecule in the waste water evenly diffuse in the ionization source cavity 1, improve the accuracy of testing result.
As shown in fig. 1, as fig. 2, in order to clear away the impurity of piling up in the hole 11 of permeating water, the dirt, prevent to permeate water hole 11 and block up, be equipped with the thru hole device of clean hole 11 of permeating water on ionization source cavity 1, thru hole device is including stretching into ionization source cavity 1 and at the lifter 12 of 8 one side distributions of inlet tube, lifter 12 stretches into ionization source cavity 1's one end and is connected with the distribution pole 13 parallel with first minute water pipe 9, evenly be equipped with a plurality of clean poles 14 along distribution pole 13 radial distribution on the distribution pole 13, each clean pole 14 distributes directly over each second minute water pipe 10, each clean pole 14 is equipped with the fluff 15 relative with each hole 11 of permeating water towards the one side of hole 11 of permeating water, be equipped with the first moving member that removes fluff 15 in the hole 11 of permeating water on the ionization source cavity 1.
As shown in fig. 1, the first moving member includes a vertical strip groove 16 opened on the ionization source cavity 1, a moving block 17 is connected to the hole wall of the strip groove 16 in a sliding manner, one side of the moving block 17 is connected to the lifting rod 12, a compression spring 18 is arranged in the strip groove 16, one end of the compression spring 18 is connected to the moving block 17, the other end of the compression spring is connected to the bottom wall of the strip groove 16, one side of the moving block 17, which is opposite to the compression spring 18, is connected with a push rod 25 extending out of the upper end of the ionization source cavity 1, the push rod 25 is movably inserted into the upper end of the ionization source cavity 1, when the bottom wall of the distribution rod 13 abuts against the upper end of the first water distribution pipe 9 through the compression spring 18, each soft bristle 15 respectively extends into the water permeable holes 11 corresponding to the soft bristle 15, the purpose of cleaning each water permeable hole 11 is achieved, an operator pushes the push rod 25 towards the direction of the compression spring 18, when the bottom wall of the distribution rod 13 abuts against the upper end of the first water distribution pipe 9, each soft bristle 15 respectively extends into each water permeable hole 11, and the purpose of preventing the blockage of the water permeable holes 11 is achieved.
As shown in fig. 1, in order to observe the wastewater level in the hollow tubular membrane 2 conveniently, an observation hole 19 is formed above the sidewall of the ionization source cavity 1, which is opposite to the water inlet pipe 8, a transparent glass plate 20 is embedded in the observation hole 19, the glass plate 20 is distributed on the upper side of the hollow tubular membrane 2, in the process that wastewater flows into the hollow tubular membrane 2 through the water inlet pipe 8, the water level in the hollow tubular membrane 2 can be observed through the transparent glass plate 20, when the water level is higher than the highest end of the hollow tubular membrane 2, an operator stops introducing the wastewater, the wastewater is prevented from flowing out of the hollow tubular membrane 2, and the measurement accuracy is improved.
As shown in fig. 1, as shown in fig. 3, in order to increase the irradiation range of the vacuum ultraviolet lamp 3, a second moving member for moving the vacuum ultraviolet lamp 3 axially along the water inlet pipe 8 is disposed on the ionization source cavity 1, the second moving member includes a strip-shaped moving groove 21 disposed on the inner wall of the top end of the ionization source cavity 1, the moving groove 21 is distributed along the length direction of the ionization source cavity 1, a slider 22 is embedded in the moving groove 21, the slider 22 is in threaded connection with a screw 23 distributed parallel to the moving groove 21, one end of the screw 23 is rotatably connected to the side wall of the ionization source cavity 1, the other end of the screw extends out of the side wall of the ionization source wall, the vacuum ultraviolet lamp 3 is disposed on one side of the slider 22 away from the bottom wall of the moving groove 21, one end of the screw 23 is rotated, the slider 22 in threaded connection with the screw 23 slides in the moving groove 21, thereby driving the vacuum ultraviolet lamp 3 to move in the ionization source cavity 1, so that each corner of the ionization source cavity 1 can be irradiated by the vacuum ultraviolet lamp 3, so that most of organic molecules in the ionization source cavity 1 are ionized by vacuum ultraviolet photons, thereby improving the accuracy of the detection result, only one vacuum ultraviolet lamp 3, only, the vacuum ultraviolet lamp 23 and the economic economy of the vacuum ultraviolet lamp 3, and saving the economic source cavity 1.
Referring to fig. 3, an operator can rotate the screw 23 conveniently, and a rotating handle 24 is arranged at one end of the screw 23 extending out of the ionization source cavity 1.
Referring to fig. 3, the discharge gas of the vacuum ultraviolet lamp 3 is Kr, the energy of the emitted vacuum ultraviolet photons is 10.0eV and 10.6eV, the ionization mode is single photon ionization, the hole electrode can be connected with mass analyzers of various mass spectrometry instruments for further detection, for example, an american PE mass spectrometer is used, most of organic molecules diffused into the ionization source cavity by the hollow tubular membrane are ionized into molecular ion peaks under the action of the vacuum ultraviolet photons, target ions are transmitted to the next stage of the mass spectrometry instrument to be detected under the action of the repulsion electrode, the ion transmission electrode and the hole electrode, an L-shaped water outlet pipe 26 is communicated with one side of the hollow tubular membrane 2, which is opposite to the water inlet pipe 8, the L-shaped water outlet pipe 26 is connected with a water pump and extends out of the outer wall of the ionization source cavity 1, a stop valve 27 is arranged at the water outlet end of the L-shaped water outlet pipe 26, the stop valve 27 is opened, a water pump placed on the ground is started, and the detected wastewater is discharged from the hollow tubular membrane 2 for the next use.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention should also be considered as within the scope of the present invention.
Claims (7)
1. A waste water VOCs detection device comprises an ionization source cavity (1), a hollow tubular membrane (2), a vacuum ultraviolet lamp (3), a repulsion electrode (4), an ion transmission electrode (5) and a hole electrode (6), wherein 3-8 PEEK fixed columns (7) are arranged in the ionization source cavity (1), the repulsion electrode (4) is fixed on the upper portions of the PEEK fixed columns (7), the ion transmission electrode (5) is fixed on the lower portions of the PEEK fixed columns (7), and the hole electrode (6) is located below the ion transmission electrode (5);
the method is characterized in that: the device is characterized in that one end, close to a vacuum ultraviolet lamp (3), of the hollow tubular membrane (2) is of an open structure, the other end of the hollow tubular membrane is closed, the outer wall of each PEEK fixing column (7) is bonded to the outer wall of the hollow tubular membrane (2), a water inlet pipe (8) extending into an upper end opening of the hollow tubular membrane (2) is arranged on one side of the ionization source cavity (1), one end, extending into the hollow tubular membrane (2), of the water inlet pipe (8) is connected with a first water distribution pipe (9) perpendicular to the water inlet pipe (8) in a distributed mode, a plurality of second water distribution pipes (10) radially distributed along the first water distribution pipes (9) are evenly arranged on the first water distribution pipes (9), each second water distribution pipe (10) is provided with a plurality of water permeable holes (11) penetrating through the side wall of the second water distribution pipes (10), each water permeable hole (11) on each second water distribution pipe (10) is evenly distributed, one side, back to the water inlet pipe (8) of the hollow tubular membrane (2) is communicated with an L-shaped water outlet pipe (26), the L-shaped water outlet pipe (26) is connected with a water pump, and extends out of the ionization source cavity (1), and a water outlet device (11) is provided with a water permeable stop valve (27).
2. The apparatus of claim 1, wherein the apparatus further comprises: through hole device is including stretching into in ionization source cavity (1) and at lifter (12) of inlet tube (8) one side distribution, lifter (12) stretch into the one end of ionization source cavity (1) and are connected with distribution pole (13) parallel with first minute water pipe (9), evenly be equipped with a plurality of clean pole (14) along distribution pole (13) radial distribution on distribution pole (13), each clean pole (14) are in each distribute directly over second minute water pipe (10), each one side of clean pole (14) orientation hole (11) of permeating water is equipped with the fluff (15) relative with each hole (11) of permeating water, be equipped with on ionization source cavity (1) and remove fluff (15) to the first moving member of the downthehole (11) of permeating water.
3. The apparatus of claim 2, wherein the apparatus further comprises: the first moving piece comprises a vertical strip groove (16) formed in an ionization source cavity (1), a moving block (17) is connected to the hole wall of the strip groove (16) in a sliding mode, one side of the moving block (17) is connected to a lifting rod (12), a compression spring (18) is arranged in the strip groove (16), one end of the compression spring (18) is connected to the moving block (17), the other end of the compression spring is connected to the bottom wall of the strip groove (16), one side, back to the compression spring (18), of the moving block (17) is vertically connected with a push rod (25) penetrating through the upper end of the ionization source cavity (1), the push rod (25) is movably arranged at the upper end of the ionization source cavity (1), and when the bottom wall of the distribution rod (13) abuts against the upper end of a first water distribution pipe (9) through the compression spring (18), the soft bristles (15) respectively extend into the water permeable holes (11).
4. The apparatus of claim 1, wherein the apparatus further comprises: the ionization source cavity is characterized in that an observation hole (19) is formed in the upper portion of the side wall of the ionization source cavity (1) relative to the water inlet pipe (8), a transparent glass plate (20) is embedded in the observation hole (19), and the glass plate (20) is distributed on the upper side of the hollow tubular membrane (2).
5. The apparatus of claim 1, wherein the apparatus further comprises: and a second moving part which enables the vacuum ultraviolet lamp (3) to move axially along the water inlet pipe (8) is arranged on the ionization source cavity (1).
6. The apparatus of claim 5, wherein the apparatus further comprises: the second moving member is including offering shifting chute (21) of rectangular shape on ionization source cavity (1) top inner wall, shifting chute (21) distribute along ionization source cavity (1) length direction, shifting chute (21) embedding has slider (22), slider (22) threaded connection has screw rod (23) that are on a parallel with shifting chute (21) and distribute, screw rod (23) one end is rotated and is connected on the lateral wall of ionization source cavity (1), and outside the ionization source wall body lateral wall was stretched out to the other end, vacuum ultraviolet lamp (3) set up on one side that deviates from shifting chute (21) diapire in slider (22).
7. The apparatus of claim 6, wherein the apparatus further comprises: and a rotating handle (24) is arranged at one end of the screw rod (23) extending out of the ionization source cavity (1).
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| CN201910643898.7A CN112240906B (en) | 2019-07-17 | 2019-07-17 | Waste water VOCs detection device |
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| CN201910643898.7A CN112240906B (en) | 2019-07-17 | 2019-07-17 | Waste water VOCs detection device |
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| CN112240906B true CN112240906B (en) | 2023-02-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206163457U (en) * | 2016-11-17 | 2017-05-10 | 中国科学院大连化学物理研究所 | Aquatic VOCs automatic on -line continuous monitor's membrane sampling device |
| CN206941775U (en) * | 2017-07-05 | 2018-01-30 | 河北建材职业技术学院 | Construction trap drainage well lid |
| CN108862749A (en) * | 2018-06-06 | 2018-11-23 | 宁波暄妍日化科技有限公司 | A kind of municipal sewage circulation treatment equipment |
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2019
- 2019-07-17 CN CN201910643898.7A patent/CN112240906B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206163457U (en) * | 2016-11-17 | 2017-05-10 | 中国科学院大连化学物理研究所 | Aquatic VOCs automatic on -line continuous monitor's membrane sampling device |
| CN206941775U (en) * | 2017-07-05 | 2018-01-30 | 河北建材职业技术学院 | Construction trap drainage well lid |
| CN108862749A (en) * | 2018-06-06 | 2018-11-23 | 宁波暄妍日化科技有限公司 | A kind of municipal sewage circulation treatment equipment |
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