CN103575417A - Method and device for measuring temperature of dissolving out tank in process of preparing aluminium oxide from coal ash by using acid process - Google Patents
Method and device for measuring temperature of dissolving out tank in process of preparing aluminium oxide from coal ash by using acid process Download PDFInfo
- Publication number
- CN103575417A CN103575417A CN201210282997.5A CN201210282997A CN103575417A CN 103575417 A CN103575417 A CN 103575417A CN 201210282997 A CN201210282997 A CN 201210282997A CN 103575417 A CN103575417 A CN 103575417A
- Authority
- CN
- China
- Prior art keywords
- protective casing
- stripping tank
- thermal resistance
- flange
- acid system
- 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
Links
Images
Abstract
The invention discloses a method and device for measuring temperature of a dissolving out tank in a process of preparing aluminium oxide from coal ash by using an acid process. According to the method and device, a flange connector is made on the dissolving out tank for preparing the aluminium oxide from the coal ash by using the acid process in advance, a protective sleeve which is made of carbon steel and is provided with a sealed bottom end is then adopted, a layer of enamel glass coats the surface of the protective sleeve, a flange plate is connected at the opening end of the protective sleeve, the protective sleeve is inserted in the dissolving out tank, heat conductive liquid is then added in the protective sleeve, a thermal resistor for measuring temperature is inserted into the protective sleeve through the flange plate, the thermal resistor is fixed on the flange plate, the front end of the thermal resistor is steeped in the heat conductive liquid, and thus when the dissolving out tank works, temperature measurement can be carried out on high-temperature ore pulp for preparing the aluminium oxide from the coal ash by using the acid process in the dissolving out tank through the thermal resistor. The device for measuring the temperature of the dissolving out tank in the process of preparing the aluminium oxide from the coal ash by using the acid process has the advantages of being high in temperature measuring precision, easy to manufacture, low in cost, simple in structure, convenient to use, long in service life and the like.
Description
Technical field
The present invention relates to a kind of thermometry and device for flyash acid system oxygenerating aluminium stripping tank, belong to high-temperature ore slurry temperature measurement technology field in the stripping tank of acid system oxygenerating aluminium.
Background technology
In the technique of flyash acid system oxygenerating aluminium, stripping operation is an one important operation, in stripping operation, generally adopt stripping tank to carry out stripping to ore deposit raw material, ore pulp in its stripping tank has acidity (concentration of hydrochloric acid >35%), and the interior temperature of stripping tank is 160 ℃ of left and right.Therefore, due to reasons such as the strong acid burn into high temperature of ore pulp in stripping tank, high pressure, not yet have in the prior art directly at present the ore pulp in stripping tank is carried out to thermometric mode, can only at stripping tank, carry out the temperature that mode that inductive measuring or artificial experience judge is estimated ore pulp in stripping tank outward by inductance gauge.Not only degree of accuracy is poor for existing these detection modes, but also must grasp certain technical ability, just can detect, therefore, in this flyash acid system oxygenerating aluminium of the prior art, the thermometric mode of stripping tank is very undesirable, can not meet the needs of producing temperature measurement accuracy.
Summary of the invention
The object of the invention is: provide a kind of and make easily, cost is low and thermometry and device for flyash acid system oxygenerating aluminium stripping tank simple in structure, easy to use, temperature measurement accuracy is higher, to overcome the deficiencies in the prior art.
The present invention is achieved in that a kind of thermometry for flyash acid system oxygenerating aluminium stripping tank of the present invention is, the method is produced a flange-interface in advance on the stripping tank for flyash acid system oxygenerating aluminium, then adopting carbon steel to produce a bottom is enclosed protective casing, and on the surface of protective casing, apply one deck enamel glass, openend at protective casing connects a ring flange, protective casing is injected in stripping tank vertically by flange-interface, and its ring flange and flange-interface are connected as one, then in protective casing, add heat-conducting liquid, the thermal resistance that measurement temperature is used is by ring flange insertion protective sleeve pipe, and thermal resistance is fixed on ring flange, make the front end of thermal resistance be immersed in heat-conducting liquid simultaneously, like this can be when stripping tank be worked, by thermal resistance, the high-temperature ore slurry of the flyash acid system oxygenerating aluminium in stripping tank is carried out to temperature survey.
Above-mentioned heat-conducting liquid is silicone oil or transformer oil.
The of the present invention a kind of temperature measuring equipment for flyash acid system oxygenerating aluminium stripping tank building according to said method is: this device comprises thermal resistance and for the stripping tank of flyash acid system oxygenerating aluminium, on stripping tank, be provided with flange-interface, in flange-interface, being inserted with bottom is enclosed protective casing, and the upper open end at protective casing is fixedly connected with ring flange, ring flange and flange-interface are bolted and are integrated, heat-conducting liquid is housed in protective casing, the thermal resistance that measurement temperature is used is inserted in protective casing by ring flange, and the front end of thermal resistance is immersed in heat-conducting liquid, its tail end is fixed on ring flange.
The bottom of above-mentioned thermal resistance is less than or equal to 10 millimeters and be greater than 2 millimeters to the distance of the closed bottom end inner bottom surface of protective casing.
The liquid level of above-mentioned heat-conducting liquid is less than or equal to 150 millimeters and be greater than 120 millimeters to the distance of the closed bottom end inner bottom surface of protective casing.
The mode that the tail end of thermal resistance is threaded connection is fixedly connected on ring flange.
Owing to having adopted technique scheme; the present invention by applying the resistant to elevated temperatures enamel glass of one deck on the surface of protective casing; its protective casing adopts carbon steel to make; and by the mode of heat-conducting liquid is set in protective casing; make thermal resistance under the protection of protective casing, avoid the harm of stripping tank inner high voltage and the corrosion of ore pulp strong acid, thermal resistance can accurately be tested the temperature of ore pulp in stripping tank by protective casing and heat-conducting liquid again to the transmission of temperature simultaneously.So compared with prior art, the present invention not only has advantages of that temperature measurement accuracy is high in the present invention, but also there is the advantages such as making is easy, cost is low, simple in structure, easy to use, long service life.In addition, the present invention has also realized slurry temperature in stripping tank in flyash acid system oxygenerating aluminium has been measured in real time, and this has played great role to the realization of flyash acid system oxygenerating aluminium suitability for industrialized production and automatic control.The thermometric that the present invention not only can be used as slurry temperature in stripping tank in flyash acid system oxygenerating aluminium is used, but also the ore pulp that can be used as all high temperature, high corrosion is having the temperature survey of pressure vessel to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention.
Description of reference numerals: 1-thermal resistance, 2-protective casing, 2.1-ring flange; 3-flange-interface, 4-stripping tank, 5-heat-conducting liquid; the bottom of L1-thermal resistance is to the distance of the closed bottom end inner bottom surface of protective casing, and the liquid level of L2-heat-conducting liquid is to the distance of the closed bottom end inner bottom surface of protective casing.
Embodiment
Below in conjunction with drawings and Examples, the present invention is done further to say in detail.
Embodiments of the invention: a kind of thermometry for flyash acid system oxygenerating aluminium stripping tank of the present invention can directly be implemented on existing stripping tank, during enforcement, on the stripping tank 4 for flyash acid system oxygenerating aluminium, produce in advance a flange-interface 3, then adopting carbon steel to produce a bottom is enclosed protective casing 2, and on the surface of protective casing 2, apply the resistant to elevated temperatures enamel glass of one deck, openend at protective casing 2 connects a ring flange 2.1, protective casing 2 is injected in stripping tank 4 vertically by flange-interface 3, and its ring flange 2.1 is bolted and is integrated with flange-interface 3, then in protective casing 2, add heat-conducting liquid 5, the thermal resistance 1 that measurement temperature is used is by ring flange 2.1 insertion protective sleeve pipes 2, and thermal resistance 1 is fixed on ring flange 2.1, make the front end of thermal resistance 1 be immersed in heat-conducting liquid 5 simultaneously, like this can be when 4 work of stripping tank, high-temperature ore slurry by the flyash acid system oxygenerating aluminium in 1 pair of stripping tank 4 of thermal resistance carries out temperature survey.
The structural representation of the of the present invention a kind of temperature measuring equipment for flyash acid system oxygenerating aluminium stripping tank building according to said method as shown in Figure 1, this device comprises thermal resistance 1 of the prior art and for the stripping tank 4 of flyash acid system oxygenerating aluminium, during making, on stripping tank 4, produce a flange-interface 3, and in flange-interface 3, to insert bottom be enclosed protective casing 2, and the upper open end at protective casing 2 is fixedly connected with a ring flange 2.1, ring flange 2.1 and flange-interface 3 are bolted and are integrated, heat-conducting liquid 5 is housed in protective casing 2 is interior, this heat-conducting liquid 5 can adopt silicone oil of the prior art or transformer oil, the liquid level that makes heat-conducting liquid 5 is controlled at and is less than or equal to 150 millimeters to the distance L 2 of the closed bottom end inner bottom surface of protective casing 2, and be greater than in the scope of 120 millimeters, then the thermal resistance 1 of measurement temperature being used is inserted in protective casing 2 by ring flange 2.1, and the front end that makes thermal resistance 1 is immersed in heat-conducting liquid 5, the bottom that simultaneously makes thermal resistance 1 is less than or equal to 10 millimeters and be greater than 2 millimeters to the distance L 1 of the closed bottom end inner bottom surface of protective casing 2, the total length of protective casing 2 can be determined according to the needs that use, under normal conditions, the length of protective casing 2 can be controlled between 230 millimeters～600 millimeters, then the mode tail end of thermal resistance 1 being threaded connection is fixedly connected on ring flange 2.1.
Claims (6)
1. the thermometry for flyash acid system oxygenerating aluminium stripping tank, it is characterized in that: on the stripping tank (4) for flyash acid system oxygenerating aluminium, produce a flange-interface (3) in advance, then adopting carbon steel to produce a bottom is enclosed protective casing (2), and on the surface of protective casing (2), apply one deck enamel glass, openend at protective casing (2) connects a ring flange (2.1), protective casing (2) is injected in stripping tank (4) vertically by flange-interface (3), and its ring flange (2.1) and flange-interface (3) are connected as one, then in protective casing (2), add heat-conducting liquid (5), the thermal resistance (1) that measurement temperature is used is by ring flange (2.1) insertion protective sleeve pipe (2), and thermal resistance (1) is fixed on ring flange (2.1), make the front end of thermal resistance (1) be immersed in heat-conducting liquid (5) simultaneously, like this can be when stripping tank (4) be worked, by thermal resistance (1), the high-temperature ore slurry of the flyash acid system oxygenerating aluminium in stripping tank (4) is carried out to temperature survey.
2. the thermometry for flyash acid system oxygenerating aluminium stripping tank according to claim 1, is characterized in that: described heat-conducting liquid (5) is silicone oil or transformer oil.
3. the temperature measuring equipment for flyash acid system oxygenerating aluminium stripping tank, comprise thermal resistance (1) and for the stripping tank (4) of flyash acid system oxygenerating aluminium, it is characterized in that: on stripping tank (4), be provided with flange-interface (3), in flange-interface (3), being inserted with bottom is enclosed protective casing (2), and the upper open end at protective casing (2) is fixedly connected with ring flange (2.1), ring flange (2.1) is bolted and is integrated with flange-interface (3), heat-conducting liquid (5) is housed in protective casing (2), the thermal resistance (1) that measurement temperature is used is inserted in protective casing (2) by ring flange (2.1), and the front end of thermal resistance (1) is immersed in heat-conducting liquid (5), its tail end is fixed on ring flange (2.1).
4. the temperature measuring equipment for flyash acid system oxygenerating aluminium stripping tank according to claim 3, is characterized in that: the bottom of thermal resistance (1) is less than or equal to 10 millimeters and be greater than 2 millimeters to the distance (L1) of the closed bottom end inner bottom surface of protective casing (2).
5. the temperature measuring equipment for flyash acid system oxygenerating aluminium stripping tank according to claim 3, is characterized in that: the liquid level of heat-conducting liquid (5) is less than or equal to 150 millimeters and be greater than 120 millimeters to the distance (L2) of the closed bottom end inner bottom surface of protective casing (2).
6. the temperature measuring equipment for flyash acid system oxygenerating aluminium stripping tank according to claim 3, is characterized in that: the mode that the tail end of thermal resistance (1) is threaded connection is fixedly connected on ring flange (2.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210282997.5A CN103575417A (en) | 2012-08-10 | 2012-08-10 | Method and device for measuring temperature of dissolving out tank in process of preparing aluminium oxide from coal ash by using acid process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210282997.5A CN103575417A (en) | 2012-08-10 | 2012-08-10 | Method and device for measuring temperature of dissolving out tank in process of preparing aluminium oxide from coal ash by using acid process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103575417A true CN103575417A (en) | 2014-02-12 |
Family
ID=50047688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210282997.5A Pending CN103575417A (en) | 2012-08-10 | 2012-08-10 | Method and device for measuring temperature of dissolving out tank in process of preparing aluminium oxide from coal ash by using acid process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103575417A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067139A (en) * | 2015-07-29 | 2015-11-18 | 广西华银铝业有限公司 | Thermal resistor protective structure |
| CN105136324A (en) * | 2015-07-29 | 2015-12-09 | 广西南宁迈点装饰工程有限公司 | Thermal resistor protection sleeve |
| CN108225596A (en) * | 2016-12-10 | 2018-06-29 | 沈阳铝镁设计研究院有限公司 | Preheating or heating muff temperature measuring equipment in a kind of alumina producing |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2062835U (en) * | 1989-09-19 | 1990-09-26 | 岳阳石油化工总厂橡胶厂 | Anticorrosive pressure-resisting temp. measurer |
| CA2336244A1 (en) * | 1998-06-26 | 2000-01-06 | Steven R. Green | Thermocouple for use in gasification process |
| CN2558977Y (en) * | 2002-06-15 | 2003-07-02 | 应明涛 | Composite high-temp.-, corrosion- and wear-resistant thermal couple |
| CN101126653A (en) * | 2006-08-18 | 2008-02-20 | 达尔塔M公司 | Low heat resistance thermal mass flow sensor |
| CN201622135U (en) * | 2010-03-24 | 2010-11-03 | 天津市中环温度仪表有限公司 | Flange sleeve full corrosion resistant thermal resistor |
| CN102103022A (en) * | 2009-12-22 | 2011-06-22 | 贵阳铝镁设计研究院 | Device for measuring temperature of titanium tetrachloride pulp pipeline |
| CN202092842U (en) * | 2011-05-06 | 2011-12-28 | 神华集团有限责任公司 | Sleeve monitoring device |
| CN202748146U (en) * | 2012-08-10 | 2013-02-20 | 贵阳铝镁设计研究院有限公司 | Temperature measurement device for dissolving tank used for preparing aluminum oxide by pulverized fuel ash acid method |
-
2012
- 2012-08-10 CN CN201210282997.5A patent/CN103575417A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2062835U (en) * | 1989-09-19 | 1990-09-26 | 岳阳石油化工总厂橡胶厂 | Anticorrosive pressure-resisting temp. measurer |
| CA2336244A1 (en) * | 1998-06-26 | 2000-01-06 | Steven R. Green | Thermocouple for use in gasification process |
| CN2558977Y (en) * | 2002-06-15 | 2003-07-02 | 应明涛 | Composite high-temp.-, corrosion- and wear-resistant thermal couple |
| CN101126653A (en) * | 2006-08-18 | 2008-02-20 | 达尔塔M公司 | Low heat resistance thermal mass flow sensor |
| CN102103022A (en) * | 2009-12-22 | 2011-06-22 | 贵阳铝镁设计研究院 | Device for measuring temperature of titanium tetrachloride pulp pipeline |
| CN201622135U (en) * | 2010-03-24 | 2010-11-03 | 天津市中环温度仪表有限公司 | Flange sleeve full corrosion resistant thermal resistor |
| CN202092842U (en) * | 2011-05-06 | 2011-12-28 | 神华集团有限责任公司 | Sleeve monitoring device |
| CN202748146U (en) * | 2012-08-10 | 2013-02-20 | 贵阳铝镁设计研究院有限公司 | Temperature measurement device for dissolving tank used for preparing aluminum oxide by pulverized fuel ash acid method |
Non-Patent Citations (1)
| Title |
|---|
| 丁伯民等: "《化工容器》", 31 January 2003, 化学工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067139A (en) * | 2015-07-29 | 2015-11-18 | 广西华银铝业有限公司 | Thermal resistor protective structure |
| CN105136324A (en) * | 2015-07-29 | 2015-12-09 | 广西南宁迈点装饰工程有限公司 | Thermal resistor protection sleeve |
| CN108225596A (en) * | 2016-12-10 | 2018-06-29 | 沈阳铝镁设计研究院有限公司 | Preheating or heating muff temperature measuring equipment in a kind of alumina producing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103323154B (en) | Method for measuring inner stress in pouring explosive solidification process | |
| CN103575417A (en) | Method and device for measuring temperature of dissolving out tank in process of preparing aluminium oxide from coal ash by using acid process | |
| CN202748146U (en) | Temperature measurement device for dissolving tank used for preparing aluminum oxide by pulverized fuel ash acid method | |
| CN203894146U (en) | Detection system for refractory erosion curve of ore-smelting electric furnace body | |
| CN103471984A (en) | Simulation test device and simulation test method for corrosion resistance of protective coating | |
| CN103528638B (en) | A kind of electrode structure and preparation method | |
| CN201265412Y (en) | Down-hole tube diameter and tube position temperature tester | |
| CN113188915B (en) | Performance detection method of high-voltage epoxy sleeve | |
| CN202453094U (en) | Internal temperature measuring device for non-shutdown tanks | |
| CN204649732U (en) | Distillate fuel oil oxidation stability mensuration metal bath | |
| CN101451891A (en) | Method for detecting temperature of coke cake of big volume coke oven | |
| CN203479363U (en) | Electrode structure | |
| CN209043488U (en) | Molten iron orients temperature measuring equipment | |
| CN203869987U (en) | Device for automatic detection of glass metal viscosity | |
| CN106768169A (en) | A kind of liquid level emasuring device, the method for high-temperature electric conduction liquid | |
| CN203561451U (en) | Temperature detecting device in RH vacuum tank | |
| CN205313583U (en) | Temperature -detecting device of blast furnace process molten iron | |
| CN207964222U (en) | A kind of electric spark leakage detection apparatus | |
| CN205102951U (en) | Dedicated liquid temperature of chemistry experiment detects composite set | |
| CN206618501U (en) | High-temperature high-pressure apparatus surveys wall temperature component | |
| CN205958128U (en) | Take exploration hole armoured thermocouple | |
| CN112762987B (en) | Sensor device and method for measuring pore pressure and temperature in concrete | |
| CN203612448U (en) | Online temperature detection system for feed liquid tank | |
| CN206825890U (en) | A kind of PVC online diameter measurement device | |
| CN103185642A (en) | On-line temperature measurement method and device for interior of tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140212 |
|
| WD01 | Invention patent application deemed withdrawn after publication |