CN203849084U - Gas-heating constant temperature preheater - Google Patents
Gas-heating constant temperature preheater Download PDFInfo
- Publication number
- CN203849084U CN203849084U CN201420180262.6U CN201420180262U CN203849084U CN 203849084 U CN203849084 U CN 203849084U CN 201420180262 U CN201420180262 U CN 201420180262U CN 203849084 U CN203849084 U CN 203849084U
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- China
- Prior art keywords
- temperature
- gas
- temperature sensor
- heat block
- heating rod
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- Expired - Fee Related
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Abstract
The utility model relates to a preheater and particularly relates to a gas-heating constant temperature preheater. The gas-heating constant temperature preheater comprises a heating block, a gas-guide tube, a heat-insulating protective sleeve and a temperature control system, wherein the temperature control system comprises a heating rod, a temperature sensor and a temperature controller; the heating rod and the temperature sensor are respectively connected with the temperature controller, the heating rod is arranged in the center of the heating block, the gas-guide tube is spirally wound on the outer surface of the heating block, cutting sleeve joints are respectively arranged at both ends of the gas-guide tube, the heat-insulating protective sleeve is wrapped outside the wound gas-guide tube and the heating block, and the temperature sensor is embedded into the heating block. The temperature control system provided by the utility model can adjust and keep the temperature constant, so that the temperature of gas passing through the preheater can be maintained in a required range.
Description
Technical field
The utility model relates to a kind of primary heater, particularly a kind of gas-heated constant temperature primary heater.
Background technology
According to the requirement of national environmental protection method, the waste gas of the enterprises such as fuel-burning power plant, steel plant, cement mill, before discharge, must be measured the concentration of harmful gas in waste gas, and measurement result must be accurately and reached the emission standard of national regulation.Measure all kinds of flue gas analyzers (as ammonia analyser) that in waste gas, harmful gas composition is used, all require the tested gas temperature that enters into flue gas analyzer to remain on a higher temperature, as 150 ± 2 DEG C, 200 ± 2 DEG C.Only guaranteed tested gas temperature is constant in required scope, guarantee measuring accuracy.In order to keep the measuring accuracy of analyser, analyzer after having used a period of time, must to analyser re-start demarcate and compared with zero.Demarcate and the calibrating gas of small incidental expenses be generally that normal temperature is canned and store, can reach required high temperature when making calibrating gas enter analysis meter, common way is to allow calibrating gas pass through the heating pipeline of a section longer.Although this way can make calibrating gas temperature reach desirable value, heat pipeline and can take that very large space, the efficiency of heating surface are low and cost cost is very high.Actual demand requirement is in the CEMS of narrow space rack, and calibrating gas and waste gas that realization enters ammonia table can automatically switch, and conventional heating tube line method significant discomfort is used in this case.Here just need one and can conveniently regulate temperature, energy Fast Heating, volume is small and exquisite, heated constant temperature primary heater with low cost.
Summary of the invention
The purpose of this utility model is for above-mentioned existing deficiency, and a kind of heated constant temperature primary heater is provided.Temperature control system of the present utility model can regulate and steady temperature, has ensured that gas gas temperature after primary heater can keep within the required range.
Technical solution of the present utility model is:
A kind of gas-heated constant temperature primary heater, comprises heat block, wireway, heat-insulation protecting jacket and temperature control system four parts; Described temperature control system comprises heating rod, temperature sensor and temperature controller, heating rod is connected with temperature controller respectively with temperature sensor, heating rod is located at heat block central authorities, wireway spiral fashion is coiled in the outside surface of heat block, wireway two ends are respectively equipped with ferrule fitting, thermal insulation protecting jacket is coated on wireway and the heat block outside of coiling, and temperature sensor is inlaid in heat block.
Further design of the present utility model is, described temperature sensor comprises the external environment temperature sensor and the interior environment temperature sensor that are connected with temperature controller respectively, described interior environment temperature sensor is located in cylindrical heat block, and external environment temperature sensor is located in thermal insulation protecting jacket.
Described cylindrical heat block is provided with installs the threaded hole that the circular hole used of heating rod and temperature sensor are used.
Cylindrical heat block is to be made by aluminium.
Described heat block and heating rod will be for cylindrical.
the beneficial effects of the utility model are:
The calibrating gas that the utility model can be used gauged instrument or zero gas Fast Heating also remain on a higher temperature, have ensured that gas temperature is constant in required scope, have ensured the measuring accuracy of instrument.
Brief description of the drawings
Fig. 1 is axonometric drawing of the present utility model.
Fig. 2 is the utility model diagrammatic cross-section.
In figure: 1 is cylindrical heat block, 2 is spirality tracheae, and 3 is Teflon thermal insulation protecting jacket, and 4 is cylindrical heating rod, and 5 is outer shroud temperature sensor, and 6 is interior ring temperature controller, and 7 is ferrule fitting, and 8 is temperature controller, and 9 is both ends of the surface heat-insulation protecting jacket.
Embodiment
Heated constant temperature primary heater of the present utility model, comprises cylindrical heat block (1), tracheal spirals (2), heat-insulation protecting jacket (3) and temperature control system four parts.Temperature control system comprises cylindrical heating rod (4), temperature sensor and temperature controller (8), cylindrical heating rod is connected with temperature controller respectively with temperature sensor, cylindrical heating rod (4) is located at cylindrical heat block (1) central authorities, wireway spiral fashion is coiled in the outside surface of cylindrical heat block (1), wireway two ends are respectively equipped with ferrule fitting, thermal insulation protecting jacket is coated on wireway and the cylindrical heat block outside of coiling, the both ends of the surface of cylindrical heat block (1) are also wrapped up wherein by heat-insulation protecting jacket, temperature sensor is inlaid in cylindrical heat block (1).
Cylindrical heat block (1) is made from aluminum, and is provided with the threaded hole that the dark circular hole used of cylindrical heating rod and temperature sensor are used is installed in cylindrical heat block (1).
Tracheal spirals (2) is by the coiling of precision stainless steel tracheae, and tracheal spirals (2) is imported and exported and is welded with ferrule fitting (7), and interior ring wraps cylindrical heat block (1), and outer shroud is coated with Teflon thermal insulation protecting jacket (3) simultaneously.
In heat-insulation protecting jacket (3), be provided with the semicircle notch that outer shroud temperature sensor (5) use is installed.
Temperature control system comprises cylindrical heating rod (4), two-way temperature sensor (5) (6) and temperature controller (8).
Cylindrical heating rod (4) is arranged in the dark circular hole of cylindrical heat block (1), and two-way temperature sensor (5) (6) is arranged on respectively in the threaded hole of cylindrical heat block and in the semicircle notch of Teflon heat-insulation and heat-preservation sheath
Outer shroud temperature sensor (5) and interior ring temperature sensor (6) gather respectively the temperature of the interior ring of tracheal spirals (2) and outer shroud, two-way temperature is averaged as measured value after entering temperature controller, temperature controller (8), by measured value and setting value comparison, directly utilizes the break-make of built-in Control heating rod after computing.
Cylindrical heating rod (4) is according to the height difference of heating-up temperature, between optional 60W-150W.
The course of work of the present utility model is as follows:
Adopt temperature control system, temperature controller (8) plays demonstration, adjusting and data processing effect.Two-way temperature sensor (5) (6) gathers respectively the temperature of the interior ring of tracheal spirals (2) and outer shroud, two-way temperature is averaged as measured value after entering temperature controller, temperature controller (8), by measured value and setting value comparison, directly utilizes the break-make of the cylindrical heating rod of built-in Control (4) after computing.Temperature controller (8) can be adjusted in temperature between (60-210 DEG C).Cylindrical like this heating rod (4) heating, first heat is passed to cylindrical heating block (1), then pass to spirality tracheae (2), the gas in last spirality tracheae (2) stove pipe, Teflon protective jacket (3) can effectively be incubated and prevent from artificially contacting scald.The utility model can and remain on a higher temperature calibrating gas and zero gas Fast Heating like this, has ensured that gas temperature is constant in required scope, has ensured the measuring accuracy of instrument.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a gas-heated constant temperature primary heater, comprises heat block, wireway, heat-insulation protecting jacket and temperature control system four parts; It is characterized in that: described temperature control system processed comprises heating rod, temperature sensor and temperature controller, heating rod is connected with temperature controller respectively with temperature sensor, heating rod is located at heat block central authorities, wireway spiral fashion is coiled in the outside surface of heat block, wireway two ends are respectively equipped with ferrule fitting, thermal insulation protecting jacket is coated on wireway and the heat block outside of coiling, and temperature sensor is inlaid in heat block.
2. gas-heated constant temperature primary heater according to claim 1, it is characterized in that: described temperature sensor comprises the external environment temperature sensor and the interior environment temperature sensor that are connected with temperature controller respectively, described interior environment temperature sensor is located in cylindrical heat block, and external environment temperature sensor is located in thermal insulation protecting jacket.
3. gas-heated constant temperature primary heater according to claim 2, is characterized in that: described cylindrical heat block is provided with installs the threaded hole that the circular hole used of heating rod and temperature sensor are used.
4. gas-heated constant temperature primary heater according to claim 1 and 2, is characterized in that: cylindrical heat block is to be made by aluminium.
5. gas-heated constant temperature primary heater according to claim 1 and 2, is characterized in that: described heat block and heating rod will be for cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180262.6U CN203849084U (en) | 2014-04-15 | 2014-04-15 | Gas-heating constant temperature preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180262.6U CN203849084U (en) | 2014-04-15 | 2014-04-15 | Gas-heating constant temperature preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203849084U true CN203849084U (en) | 2014-09-24 |
Family
ID=51562087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420180262.6U Expired - Fee Related CN203849084U (en) | 2014-04-15 | 2014-04-15 | Gas-heating constant temperature preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203849084U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106944704A (en) * | 2016-12-28 | 2017-07-14 | 乔治洛德方法研究和开发液化空气有限公司 | A kind of inert gas heater for wave soldering device |
| WO2019100530A1 (en) * | 2017-11-22 | 2019-05-31 | 济南兰光机电技术有限公司 | Gas constant temperature device and detection system |
-
2014
- 2014-04-15 CN CN201420180262.6U patent/CN203849084U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106944704A (en) * | 2016-12-28 | 2017-07-14 | 乔治洛德方法研究和开发液化空气有限公司 | A kind of inert gas heater for wave soldering device |
| CN106944704B (en) * | 2016-12-28 | 2019-10-25 | 乔治洛德方法研究和开发液化空气有限公司 | A kind of inert gas heating device for wave soldering device |
| WO2019100530A1 (en) * | 2017-11-22 | 2019-05-31 | 济南兰光机电技术有限公司 | Gas constant temperature device and detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20170415 |