CN205247249U - Element mercury high accuracy constant temperature equipment - Google Patents
Element mercury high accuracy constant temperature equipment Download PDFInfo
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- CN205247249U CN205247249U CN201521123457.8U CN201521123457U CN205247249U CN 205247249 U CN205247249 U CN 205247249U CN 201521123457 U CN201521123457 U CN 201521123457U CN 205247249 U CN205247249 U CN 205247249U
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- mercury
- constant temperature
- thermostatic chamber
- lagging casing
- helix tube
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Abstract
The utility model discloses an element mercury high accuracy constant temperature equipment belongs to environment monitoring technology field, comprises constant temperature spiral pipe, mercury source ware, temperature sensor, heater, lagging casing, thermostatic chamber, spiral pipe entry, mercury vapor export. The lagging casing is located the outmost of device, follows the device and radially inwards is thermostatic chamber, constant temperature spiral pipe and mercury source ware in proper order, and temperature sensor and heater are installed at the left side of thermostatic chamber terminal surface, and constant temperature spiral pipe and mercury source ware export with the lagging casing fixedly through spiral pipe entry and mercury vapor respectively. The device has guaranteed the constant temperature nature in mercury source through specific design, and the absorption that prevents mercury of equipment has been guaranteed to special material, has guaranteed the gaseous accuracy of demarcation of output, the modularized design, simple structure, reliable and stable generates the demarcation mercury vapour body on request through control solenoid and high accuracy flowmeter and offers instrument demarcation use.
Description
Technical field
The utility model belongs to environmental monitoring technology field, relates to mercury source device, and especially a kind of element mercury is highPrecision thermostat.
Background technology
Mercury is one of heavy metal substance in coal, is discharged in atmospheric environment after burning, and ecological environment is caused to oneFixed impact. In recent years, mercury pollution has become the emphasis of a global concern, Chinese Government and Chinese Ministry of Environmental ProtectionPay much attention to mercury pollution problem. Carry out the monitoring of stationary source mercury in flue gas content, must set up and be applicable toThe sampling and analyzing method of the mercury in coal-burning power plant's discharge flue gas, this is to realize quantizing to detect, evaluate mercury emissionsThe means in source, to reach the object of mercury pollution control. The accuracy of mercury in flue gas element testing instruments must be selectedSelect suitable scaling method and calibrate, mercury is unique a kind of metal existing with liquid form under normal temperature, itHigh, the high volatility of saturated vapor pressure, caliberating device is made and is had relatively high expectations, and adopts classical saturated vapor pressure, points for attention are various when in method production standard mercury the source, and can only manual operation. In addition, there is researcher to utilize reductionThe mercury in standard mercury solution is reduced to gas by agent, and carrier gas is taken away mercuryvapour through out-of-date, sends into afterwards analysisInstrument is demarcated, and the method step is more loaded down with trivial details, is difficult for realizing automation.
The patent of invention of application number 201410841867.X, discloses a kind of online for wet-process beneficiation gas mercuryAnalyzer and analytical method, comprise enrichment system, detection system and control system, in conjunction with high efficiency enrichmentDevice and online XRF technology, by the flexible selection of chemical reagent, can realize different priceThe on-line analysis of state mercury, not even with the analysis of heavy metal element, preservation is detected in the laboratory that also can be off-lineSample. Above-mentioned disclosed gas mercury analytical instrument can realize the detection to mercury in pollution sources, still, thisApparatus structure relative complex, and be only a kind of equipment that uses, its precision is limited, can not serve as and demarcate utensilUse.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of element mercury high-precision constant temp. device, is settingSteady temperature under produce free mercury vapour, dry, clean gas is by setting solenoid control decompressionLaggard inbound traffics meter, on request ratio and mercury vapour reach demarcation need concentration give instrument calibration.
The technical solution of the utility model is as follows:
A kind of element mercury high-precision constant temp. device, by constant temperature helix tube, mercury source device, temperature sensor, heatingDevice, lagging casing, thermostatic chamber, helix tube entrance, mercury vapour outlet composition. This device is column structure,Both ends of the surface are designed with mounting and fixing bracket, and lagging casing is positioned at the outermost layer of device, radially inwardly complies with along deviceInferior is thermostatic chamber, constant temperature helix tube, mercury source device.
Lagging casing is double-decker, and skin is metal shell, and internal layer is polyurethane insulating insulation material, goldBelong to shell mechanism protection element mercury high-precision constant temp. device and do not destroyed by the external world, internal layer insulation material can be carriedThe constant temperature effect of high this device.
Thermostatic chamber is cylindrical structure, is positioned at lagging casing internal layer insulation material inside, adopts aluminium foil heat-barrier materialMake, aluminium foil heat-barrier material passes through PUR by aluminium foil veneer+polyethylene film+fibrous braid+metal depositLamination forms, and has the functions such as heat-insulation and heat-preservation, waterproof, protection against the tide. Thermostatic chamber has good to formation space, insideGood heat insulation effect. Meanwhile, be separately installed with temperature sensor and heater, temperature in the bottom of thermostatic chamberSensor is used for the temperature of thermostatic chamber in real-time monitoring device, and feeds back to element mercury high-precision constant temp. deviceControl system, as thermoregulator foundation; Heater is used to thermostatic chamber to heat, when temperature passesWhen sensor monitoring feedback constant greenhouse temperature is improper, heater carries out constant temperature as the actuator of control systemTemperature regulates.
Constant temperature helix tube is metal structure, is fixed on the right side of lagging casing, its spiral shell by helix tube entranceCoil part is goed deep into thermostatic chamber inside, and helix tube left end is connected with heater, its heat after heater heatingAmount is passed to rapidly the inside of thermostatic chamber by helix tube, improve the transmission efficiency of heat in thermostatic chamber inside.
Mercury source device is positioned at the cylinder interior that constant temperature helix tube forms, and is exported with lagging casing and is connected by mercury vapourFixing. Simple substance liquid mercury is equipped with in device inside, mercury source, and in the time that thermostatic chamber temperature is suitable, liquid mercury is in the device of mercury sourceForm mercury vapour, and export from element mercury high-precision constant temp. device through mercury vapour outlet, by setting electromagnetismThe valve control laggard inbound traffics meter concentration that ratio and mercury vapour reach demarcation and need on request that reduces pressure gives instrument schoolAccurate. The part of mercury vapour contact all passes through the material needing with being difficult for absorption, has ensured to greatest extent the mark producingDetermine the accuracy of gas.
Effect of the present invention and benefit are this element mercury high-precision constant temp. devices, the mercury source device that mercury vapour generatesThe temperature uniformity that has ensured mercury source through particular design, special substance has ensured the absorption that prevents mercury of equipment, protectsDemonstrate,proved output marked gas accurately; Modularized design, simple in structure, reliable and stable, by controlling electricityMagnet valve and high precision flow generate on request demarcation mercury gas and offer instrumental calibration use.
Brief description of the drawings
Fig. 1 element mercury high-precision constant temp. device structural representation.
In figure: 1 constant temperature spiral tube head; 2 mercury source devices; 3 temperature sensors; 4 heaters; 5 lagging casings;6 constant temperature; 7 helix tube entrances; 8 mercury vapour go out; 51 fixed supports.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, to the technical side in the utility model embodimentCase is clearly and completely described, and obviously, described embodiment is only that the utility model part is realExecute example, instead of whole embodiment. Based on the embodiment in the utility model, ordinary skill peopleMember, not making the every other embodiment obtaining under creative work prerequisite, belongs to the utility modelThe scope of protection.
A kind of element mercury high-precision constant temp. device, as shown in Figure of description 1, by constant temperature helix tube 1, mercury sourceDevice 2, temperature sensor 3, heater 4, lagging casing 5, thermostatic chamber 6, helix tube entrance 7, mercury vapourOutlet 8 compositions.
Specific embodiment:
Lagging casing 5 is positioned at the outermost layer of device, and its two ends are designed with respectively fixed support 51, for fixingElement mercury high-precision constant temp. device. Be separately installed with helix tube entrance 7 and mercury in the right side of lagging casing 5Vapor outlet port 8, for fixedly going deep into constant temperature helix tube 1 and the mercury source device 2 of device inside.
Thermostatic chamber 6 is positioned at the inner side of lagging casing 5, and the left end face of its tubular structure is provided with TEMPDevice 3 and heater 4. The temperature of temperature sensor 3 Real-Time Monitoring thermostatic chamber 6 inside also feeds back to the control of deviceSystem processed, 4 actuators as Setup Controller of heater, accept temperature sensor 3 at controller anti-After the temperature information of feedback, control heater 4 corresponding actions, realize the temperature constant of thermostatic chamber 6 inside.
Heater 4 is connected with constant temperature helix tube 1 in thermostatic chamber 6 inside, and relies on constant temperature helix tube 1 by itThe heat producing is passed to rapidly the inside of thermostatic chamber 6, guarantees the constant, uniform of temperature.
Temperature one timing in thermostatic chamber 6, the liquid mercury in mercury source device 2 can evaporate formation mercury vapour, and warpMercury vapour outlet 8 is exported from element mercury high-precision constant temp. device, laggard by setting solenoid control decompressionThe inbound traffics meter concentration that ratio and mercury vapour reach demarcation and need on request gives instrument calibration.
Figure of description is only as structure, the principle schematic of product, and actual product structure and size are with inventionPerson designs production drawing and is as the criterion.
Embodiment recited above is described embodiment of the present utility model, not to this realityLimit with novel design and scope. Do not departing under the prerequisite of the utility model design concept abilityVarious modification and improvement that territory ordinary person makes the technical solution of the utility model, all should drop into this realityWith novel protection domain, scope of the present utility model is limited by claims instead of above-mentioned explanation,Therefore be intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in this practicalityIn novel, any Reference numeral in claim should be considered as limiting related claim.
Claims (4)
1. an element mercury high-precision constant temp. device, by constant temperature helix tube (1), mercury source device (2), temperature sensor(3), heater (4), lagging casing (5), thermostatic chamber (6), helix tube entrance (7), mercury vapour go outMouth (8) composition, is characterized in that, described lagging casing (5) is positioned at the outermost layer of device, along device footpathTo being inwardly followed successively by thermostatic chamber (6), constant temperature helix tube (1) and mercury source device (2), described temperature sensor (3)With heater (4) is arranged on the left end face of thermostatic chamber (6), described constant temperature helix tube (1) passes through spiralTube inlet (7) and lagging casing (5) are fixing, shown in mercury source device (2) by mercury vapour export (8) andLagging casing (5) is fixing.
2. a kind of element mercury high-precision constant temp. device according to claim 1, is characterized in that described insulationShell (5) is double-decker, and skin is metal shell, and internal layer is polyurethane insulating insulation material.
3. a kind of element mercury high-precision constant temp. device according to claim 1 and 2, is characterized in that, described inAll there is mounting bracket (51) lagging casing (5) end, left and right.
4. a kind of element mercury high-precision constant temp. device according to claim 1, is characterized in that described heatingDevice (4) is connected with constant temperature helix tube (1) in thermostatic chamber (6) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521123457.8U CN205247249U (en) | 2015-12-28 | 2015-12-28 | Element mercury high accuracy constant temperature equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521123457.8U CN205247249U (en) | 2015-12-28 | 2015-12-28 | Element mercury high accuracy constant temperature equipment |
Publications (1)
| Publication Number | Publication Date |
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| CN205247249U true CN205247249U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521123457.8U Active CN205247249U (en) | 2015-12-28 | 2015-12-28 | Element mercury high accuracy constant temperature equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525554A (en) * | 2016-12-16 | 2017-03-22 | 上海华川环保科技有限公司 | High-concentration gaseous mercury generator |
-
2015
- 2015-12-28 CN CN201521123457.8U patent/CN205247249U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525554A (en) * | 2016-12-16 | 2017-03-22 | 上海华川环保科技有限公司 | High-concentration gaseous mercury generator |
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| GR01 | Patent grant |