CN109580324A - Digestion device with redundancy function of temperature control - Google Patents
Digestion device with redundancy function of temperature control Download PDFInfo
- Publication number
- CN109580324A CN109580324A CN201811321317.XA CN201811321317A CN109580324A CN 109580324 A CN109580324 A CN 109580324A CN 201811321317 A CN201811321317 A CN 201811321317A CN 109580324 A CN109580324 A CN 109580324A
- Authority
- CN
- China
- Prior art keywords
- temperature sensor
- temperature
- heating
- digestion device
- redundancy function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000029087 digestion Effects 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 230000001954 sterilising effect Effects 0.000 claims abstract description 15
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 15
- 239000012774 insulation material Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 239000011490 mineral wool Substances 0.000 claims description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims 1
- 230000008520 organization Effects 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 125000001477 organic nitrogen group Chemical group 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000004847 absorption spectroscopy Methods 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000003891 environmental analysis Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention discloses a kind of digestion devices with redundancy function of temperature control, including sample introduction mechanism, heating mechanism, sterilization mechanism, the sample introduction mechanism includes sample introduction threeway, sample feeding pipe, the sample feeding pipe connects sample introduction threeway and sequentially passes through heating mechanism, sterilization mechanism, the heating mechanism includes setting gradually heating tube, heating mantle, muff from the inside to the outside, temperature sensing mechanism is equipped between the heating mantle and muff, the temperature sensing mechanism includes at least three temperature sensor, the temperature sensor is separately connected voting machine, and the voting machine connects display.Digestion device with redundancy function of temperature control of the invention in heating mechanism by being arranged temperature sensing mechanism, temperature sensing mechanism includes at least three temperature sensor, when the temperature value of two of them temperature sensor output is consistent, voting machine exports the value, when one or more of temperature sensors break down, digestion device can also normally work.
Description
Technical field
The present invention relates to environmental analysis Instrument technology fields, and in particular to a kind of digestion device with redundancy function of temperature control.
Background technique
The metabolism mainly from organism of nitrogen in water body, corruption, the discharge of industrial wastewater, sanitary sewage, the stream of nitrogenous fertilizer
It loses etc., the nitrogen content of nitrogen in sewage there are four types of form, i.e. organic nitrogen, ammonia nitrogen, nitrous acid list and nitrate nitrogen, in typical sewage
For 40-50mg/L.Nitrogen content in water body is excessively high to will lead to water eutrophication, deteriorates water body, influences the life of aquatile
Long and breeding.Gas-phase molecular absorption spectrometry method is to detect a kind of method of Water content, is needed in meteorological molecular absorption spectrum
It is gas by tested conversion, is measured according to the difference of absorbing wavelength, is generally used for measurement ammonia nitrogen, sulfide, kelvin
Nitrogen, total nitrogen, nitrate, nitrite, sulphite, chloride ion, permanganate index.In order to avoid in water body organic nitrogen,
The interference of ammonia nitrogen, cultured water to water sample detection result, it is therefore desirable to which Water compound is subjected to resolution processing and final
It is oxidized to nitrate nitrogen, facilitates water sample detection.
Resolution method is also known as cleared up, and is the organic matter or reproducibility object destroyed in a heated condition in sample with acid solution or lye
The method of matter needs to clear up instrument during clearing up and detecting to complete the detection of resolution, and digestion device is a kind of common sample
Product pre-processing device.Temperature sensor is the sensor that can be experienced temperature and be converted to exportable signal, and temperature sensor passes through
Conduction or convection current reach thermal balance, so that the indicating value of temperature sensor be enable to show the temperature of measurand, general measure
Precision is higher.
Since control accuracy requirement of the digestion device to temperature is higher, redundancy is lacked using conventional temperature sensor, when
When temperature sensor operation irregularity, the temperature of digestion device can lack accurate control, cause to clear up operation failure, or cause to clear up
The damage of equipment.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of digestion devices with redundancy function of temperature control, it can solve existing
There is the temperature control of digestion device in technology to lack redundancy, the problem of temperature control inaccuracy.
To solve the above-mentioned problems, the invention adopts the following technical scheme:
The present invention provides a kind of digestion device with redundancy function of temperature control, including sample introduction mechanism, heating mechanism, sterilization mechanism,
The sample introduction mechanism includes sample introduction threeway, sample feeding pipe, and the sample feeding pipe connects sample introduction threeway and sequentially passes through heating mechanism, sterilization
Mechanism, the heating mechanism include setting gradually heating tube, heating mantle, muff from the inside to the outside, the sterilization mechanism include by
It is interior that temperature sensing mechanism is equipped between the heating mantle and muff to the ultraviolet lamp set gradually outside and ultraviolet lamp protective cover,
The temperature sensing mechanism includes at least three temperature sensor, and the temperature sensor is separately connected voting machine, the voting machine
Connect display.
As a preferred technical solution, the temperature sensing mechanism include the first temperature sensor, second temperature sensor,
Third temperature sensor, first temperature sensor, second temperature sensor, third temperature sensor are close to the heating mantle
Outer wall, and the first temperature sensor, second temperature sensor, third temperature sensor setting height it is identical.
Further technical effect, the height that the first temperature sensor, second temperature sensor, third temperature sensor are arranged
It spends identical, ensure that the first temperature sensor, second temperature sensor, third temperature sensor are in identical working environment
In, so that temperature measuring data is more accurate.
As a preferred technical solution, the muff be include heat-insulated internal layer, heat insulating outer shield, the heat-insulated internal layer with every
Thermal insulation material is filled between hot outer layer.
Further technical effect is arranged heat-insulated internal layer and effectively muff internal environment is isolated from the outside with heat insulating outer shield
It opens, avoids heat and scatter and disappear outward.
The thermal insulation material is one of polyurethane foam, silicon oxygen cotton, mineral wool as a preferred technical solution,.
Further technical effect, above-mentioned thermal insulation material heat-proof quality is good, effectively prevents scattering and disappearing for heat.
The sample feeding pipe is wrapped in the outer of heating mantle in the part in heating mechanism is serpentine-like as a preferred technical solution,
Portion, the sample feeding pipe is in the serpentine-like outside for being wrapped in ultraviolet lamp in the part of sterilization mechanism.
Further technical effect, the mode of snakelike winding increase sample feeding pipe and heating mantle, the contact area of ultraviolet lamp,
So that resolution reaction is more abundant.
The heating mantle is that thermally conductive Heat Conduction Material is made as a preferred technical solution,.
Further technical effect, metal material have good heating conduction, guarantee the temperature of the various pieces of heating mantle
Degree is consistent.
The heating tube is heated at constant temperature pipe as a preferred technical solution,.
Further technical effect, heated at constant temperature pipe can in digestion process to the water sample of resolution provide one it is stable
Working environment guarantees the progress that resolution reaction can be stable.
The wave-length coverage of the ultraviolet lamp is 180 nanometers -300 nanometers as a preferred technical solution,.
Sample can be rapidly performed by resolution by the ultraviolet light of further technical effect, above-mentioned wave-length coverage.
Digestion device with redundancy function of temperature control of the invention is passed by the way that temperature sensing mechanism, temperature are arranged in heating mechanism
Feeling mechanism includes at least three temperature sensor, when the temperature value of two of them temperature sensor output is consistent, voting machine, that is, defeated
The value out thereby ensures that the temperature control of entire digestion device has redundancy, when one or more of temperature sensors
When breaking down, digestion device can also normally work.
Detailed description of the invention
Invention is further described in detail with specific embodiment with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the digestion device of the invention with redundancy function of temperature control；
Fig. 2 is the structural schematic diagram of heating device in digestion device of the present invention.
Wherein, appended drawing reference is described as follows: sample introduction mechanism 1, heating mechanism 2, sterilization mechanism 3, sample introduction threeway 4, into
Sample pipe 5, heat-insulated internal layer 6, heat insulating outer shield 7, heating tube 8, heating mantle 9, muff 10, ultraviolet lamp 11, ultraviolet lamp protective cover 12, temperature
Spend sensing mechanism 13, voting machine 14, display 15, the first temperature sensor 16, second temperature sensor 17, third temperature sensing
Device 18.
Specific embodiment
As shown in Figure 1, a kind of digestion device with redundancy control capability, including sample introduction mechanism 1, heating mechanism 2, sterilization mechanism
3.Sample introduction mechanism 1 includes sample introduction threeway 4, sample feeding pipe 5, and sample feeding pipe 5 connects sample introduction threeway 4 and sequentially passes through heating mechanism 2, sterilization
Mechanism 3.Heating mechanism 2 includes setting gradually heating tube 8, heating mantle 9, muff 10 from the inside to the outside, muff 10 be include every
Hot internal layer 6, heat insulating outer shield 7, are filled with thermal insulation material between heat-insulated internal layer 6 and heat insulating outer shield 7, thermal insulation material selects polyurethane foam
Foam is arranged heat-insulated internal layer 6 and is effectively isolated from the outside world 10 internal environment of muff with heat insulating outer shield 7, it is outside to avoid heat
It scatters and disappears.Heating mantle 9 is that thermally conductive Heat Conduction Material is made, preferably metal, also be may be selected nonmetallic with heating conduction.Add
Heat pipe 8 is heated at constant temperature pipe 8.Sterilization mechanism 3 includes the ultraviolet lamp 11 and ultraviolet lamp protective cover 12 set gradually from the inside to the outside, purple
The wave-length coverage of outer lamp 11 is 180 nanometers -300 nanometers.Temperature sensing mechanism 13 is equipped between heating mantle 9 and muff 10.Into
Sample pipe 5 is in the part of sterilization mechanism 3 in the serpentine-like outside for being wrapped in heating mantle 9 in the part in heating mechanism 2, sample feeding pipe 5
The snakelike outside for being wrapped in ultraviolet lamp 11, the mode of snakelike winding increase the contact of sample feeding pipe 5 with heating mantle 9, ultraviolet lamp 11
Area, so that resolution reaction is more abundant.
As shown in Fig. 2, temperature sensing mechanism 13 includes the first temperature sensor 16, second temperature sensor 17, third temperature
Sensor 18 is spent, the first temperature sensor 16, second temperature sensor 17, third temperature sensor 18 are close to the outer of heating mantle 9
Wall, and the height of the first temperature sensor 16, second temperature sensor 17, third temperature sensor 18 setting is identical.First temperature
Degree sensor 16, second temperature sensor 17, third temperature sensor 18 are separately connected voting machine 14, the connection display of voting machine 14
Device 15.The height that first temperature sensor 16, second temperature sensor 17, third temperature sensor 18 are arranged is identical, ensure that
First temperature sensor 16, second temperature sensor 17, third temperature sensor 18 are in identical working environment, so that warm
It is more accurate to spend measurement data.
The course of work: when carrying out resolution reaction, the first temperature sensor 16, second temperature sensor 17, third temperature
Temperature outside 18 real-time detection heating mantle 9 of sensor, and temperature information is sent in voting machine 14, when three temperature informations
In there are when more than two identical values, voting machine 14 exports the value, is shown in display 15.When three temperature are believed
When ceasing unequal, digestion device is overhauled in the alert into display 15 of voting machine 14, prompting.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (8)
1. a kind of digestion device with redundancy function of temperature control, which is characterized in that including sample introduction mechanism, heating mechanism, sterilization mechanism, institute
Stating sample introduction mechanism includes sample introduction threeway, sample feeding pipe, and the sample feeding pipe connects sample introduction threeway and sequentially passes through heating mechanism, sterilization machine
Structure, the heating mechanism include setting gradually heating tube, heating mantle, muff from the inside to the outside, and the sterilization mechanism includes by interior
To the ultraviolet lamp and ultraviolet lamp protective cover set gradually outside, temperature sensing mechanism, institute are equipped between the heating mantle and muff
Stating temperature sensing mechanism includes at least three temperature sensor, and the temperature sensor is separately connected voting machine, and the voting machine connects
Connect display.
2. a kind of digestion device with redundancy function of temperature control as described in claim 1, it is characterised in that: the temperature sensing mechanism
Including the first temperature sensor, second temperature sensor, third temperature sensor, first temperature sensor, second temperature
Sensor, third temperature sensor are close to the outer wall of the heating mantle, and the first temperature sensor, second temperature sensor,
The height of three-temperature sensor setting is identical.
3. a kind of digestion device with redundancy function of temperature control as described in claim 1, it is characterised in that: the muff is to include
Heat-insulated internal layer, heat insulating outer shield are filled with thermal insulation material between the heat-insulated internal layer and heat insulating outer shield.
4. a kind of digestion device with redundancy function of temperature control as claimed in claim 3, it is characterised in that: the thermal insulation material is poly-
One of urethane foam, silicon oxygen cotton, mineral wool.
5. a kind of digestion device with redundancy function of temperature control as described in claim 1, it is characterised in that: the sample feeding pipe is in heating
The serpentine-like outside for being wrapped in heating mantle in part within the organization, the sample feeding pipe are wrapped in purple in the part of sterilization mechanism is serpentine-like
The outside of outer lamp.
6. a kind of digestion device with redundancy function of temperature control as described in claim 1, it is characterised in that: the heating mantle is thermally conductive
Heat Conduction Material is made.
7. a kind of digestion device with redundancy function of temperature control as described in claim 1, it is characterised in that: the heating tube is constant temperature
Heating tube.
8. a kind of digestion device with redundancy function of temperature control as described in claim 1, it is characterised in that: the wavelength of the ultraviolet lamp
Range is 180 nanometers -300 nanometers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811321317.XA CN109580324A (en) | 2018-11-07 | 2018-11-07 | Digestion device with redundancy function of temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811321317.XA CN109580324A (en) | 2018-11-07 | 2018-11-07 | Digestion device with redundancy function of temperature control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109580324A true CN109580324A (en) | 2019-04-05 |
Family
ID=65921759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811321317.XA Pending CN109580324A (en) | 2018-11-07 | 2018-11-07 | Digestion device with redundancy function of temperature control |
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| Country | Link |
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| CN (1) | CN109580324A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020237825A1 (en) * | 2019-05-28 | 2020-12-03 | 深圳市华星光电半导体显示技术有限公司 | Sensor arrangement method and arrangement structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692937A (en) * | 2012-06-07 | 2012-09-26 | 辽宁省电力有限公司本溪供电公司 | Uniform control system for temperature of equipment |
| CN202974751U (en) * | 2012-11-13 | 2013-06-05 | 宇星科技发展(深圳)有限公司 | Ultraviolet digestion device for water quality analyzer |
| CN206020161U (en) * | 2016-08-25 | 2017-03-15 | 上海安杰环保科技股份有限公司 | Total nitrogen digestion instrument |
| CN207964114U (en) * | 2017-12-12 | 2018-10-12 | 成都元景科技有限公司 | Triplex level redundancy type temperature sensor |
-
2018
- 2018-11-07 CN CN201811321317.XA patent/CN109580324A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692937A (en) * | 2012-06-07 | 2012-09-26 | 辽宁省电力有限公司本溪供电公司 | Uniform control system for temperature of equipment |
| CN202974751U (en) * | 2012-11-13 | 2013-06-05 | 宇星科技发展(深圳)有限公司 | Ultraviolet digestion device for water quality analyzer |
| CN206020161U (en) * | 2016-08-25 | 2017-03-15 | 上海安杰环保科技股份有限公司 | Total nitrogen digestion instrument |
| CN207964114U (en) * | 2017-12-12 | 2018-10-12 | 成都元景科技有限公司 | Triplex level redundancy type temperature sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020237825A1 (en) * | 2019-05-28 | 2020-12-03 | 深圳市华星光电半导体显示技术有限公司 | Sensor arrangement method and arrangement structure |
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Application publication date: 20190405 |
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