CN203376069U - Novel temperature measuring device for materials in rotary furnace - Google Patents
Novel temperature measuring device for materials in rotary furnace Download PDFInfo
- Publication number
- CN203376069U CN203376069U CN201320329675.1U CN201320329675U CN203376069U CN 203376069 U CN203376069 U CN 203376069U CN 201320329675 U CN201320329675 U CN 201320329675U CN 203376069 U CN203376069 U CN 203376069U
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- rotary furnace
- temperature
- protection tube
- thermopair
- materials
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Abstract
The utility model provides a novel temperature measuring device for materials in a rotary furnace. The internal wall of a cylinder body of a rotary furnace is provided with a thermocouple with a protective tube which is fixed by multiple tube clamps welded on the internal wall of the cylinder body. Diameter of each tube clamp is slightly larger than that of the protective tube. The thermocouple and the protective tube can be stretched out and drawn back freely inside the tube clamps so that influence towards the thermocouple and the protective tube caused by thermal expansion inside the cylinder body of rotary furnace is avoided. Because of high temperature and wearing of the materials, material adopted by the protective tube and the tube clamps is better the same with the material adopted by the cylinder body of the rotary furnace. Besides, relatively high wall thickness is adopted by the protective tube. Temperature of the materials of each segment in the rotary furnace can be precisely measured by the novel temperature measuring device for the materials in the rotary furnace so that the novel temperature measuring device for the materials in the rotary furnace is long in the service life, high in precision and convenient to maintain and replace.
Description
Technical field
The utility model relates to a kind of device of measuring for temperature of charge in the rotary furnace stove.
Background technology
In the industries such as chemical industry, metallurgy, building materials, rotary furnace is a kind of equipment that is widely used in dry materials and reaction, at present common rotary furnace length is generally between 10～70 meters, diameter is between 1～4.5 meter, the speed uniform rotation that body of heater turns with per minute 0.4～10, material is general the stop 30～90 minutes in stove.When material, in rotary furnace, carry out in the process of drying or reaction, generally need thermophore to provide a large amount of heats to material in stove, and according to technological requirement, we need to regulate control to each section temperature of body of heater, and in the Obtaining Accurate stove, each section temperature of charge distribution situation is to carry out thermoregulator key.But due to the gyroscopic characteristics of rotary furnace, and situation complexity in stove, it is a difficult point that the temperature of material in stove is carried out to accurate measurement always.
For obtaining temperature of charge information in stove, most adopts measures the outer thermophore temperature of stove, or burner manually sees that the modes such as fire, stove tail artificial observation material reaction situation judge roughly the size of furnace heat, the correctness of these methods is difficult to be protected, be difficult to make the various process parameters of material to reach good configuration, therefore had a strong impact on the quality of production.Also there is partial monopoly to adopt infrared rays survey or with the mode of the thermocouple measurement of slip ring, temperature in stove measured, the distance of infrared rays survey is short, and be disturbed serious, usually error is larger, though and can accurately measure with the thermopair mode of slip ring, but processing is installed and working service all bothers, and reliability is not high.
Summary of the invention
The purpose of this utility model is to provide temperature of charge determinator in a kind of novel rotary furnace stove, can measure exactly the temperature of each section material in rotary furnace, and long service life, precision are high, and maintenance change convenient.
The technical solution of the utility model is: temperature of charge determinator in a kind of novel rotary furnace stove; it is characterized in that installing a thermopair with protection tube on the rotary furnace cylinder inboard wall; protection tube is fixed by a plurality of pipe clamps that are welded on cylinder inboard wall; the pipe clamp slightly larger in diameter is in the protection tube diameter; thermopair and protection tube retractable in pipe clamp; so avoided the impact of the thermal expansion of rotary furnace cylindrical shell on thermopair and protection tube; temperature probe on thermopair and protection tube inwall close contact, to avoid temperature of charge in temperature hysteresis and Measurement accuracy stove.
Thermopair and protection tube stretch out outside rotary furnace without the position of heating jacket on the rotation outer wall of rotary furnace; after flange seal; connect the wireless temperature transmitter by signal cable, the wireless temperature transmitter is fixed on the rotation outer wall of rotary furnace by support, with rotary furnace, rotates.
The wherein optional majority point of thermopair or branched thermopair.
The wireless temperature transmitter is provided with heat-insulation layer, with isolation body of heater high temperature.
Due to the wearing and tearing of furnace high-temperature and material, protection tube and pipe clamp preferably adopt the material same with the rotary furnace cylindrical shell, and protection tube should adopt thicker wall thickness.
Effect of the present utility model
The utility model can be measured the temperature of each section material in rotary furnace exactly, long service life, precision are high, and maintenance replacing aspect, the wireless temperature transmitter is transferred to the DCS system by the temperature of charge signal, the DCS system is according to the operational throughput of the Signal Regulation thermophore received, and the temperature of material in stove is controlled in robotization.Adopt rotary furnace of the present utility model not only can make product quality significantly improve, effectively reduce energy consumption simultaneously, reduce workman's labour intensity.
The accompanying drawing explanation
Fig. 1 is temperature of charge determinator schematic diagram in the rotary furnace stove.
Fig. 2 is thermopair and protection tube scheme of installation in stove.
Embodiment
As shown in Figure 1 and Figure 2, in rotary furnace stove described in the utility model, the temperature of charge determinator mainly is comprised of thermopair 3, protection tube 2, pipe clamp 8, temperature probe 9, flange seal 7, signal cable 6, wireless temperature transmitter 5, support 4 etc.
After rotary furnace cylindrical shell 1 has been manufactured; a plurality of pipe clamps 8 of welding on rotary furnace cylindrical shell 1 inwall; pipe clamp 8 slightly larger in diameter are in protection tube 2; then will be radially fixing through pipe clamp 8 with the thermopair 3 of protection tube 2; due to pipe clamp 8 slightly larger in diameter in protection tube 2; protection tube 2 is at the interior retractable of pipe clamp 8, so avoided the impact of the thermal expansion of rotary furnace cylindrical shell 1 on thermopair 3 and protection tube 2.Pipe clamp 8 quantity and welding position are determined according to thermopair length.Due to the wearing and tearing of furnace high-temperature and material, protection tube 2 and pipe clamp 8 preferably adopt the material same with rotary furnace cylindrical shell 1, and protection tube 2 should adopt thicker wall thickness.
, thermocouple probe 9 is fixed on the inwall of protection tube 2 on thermometric position interior requirement of protection tube 2, makes temperature probe 9 and protection tube 2 inwall close contacts, in order to temperature of charge in accurate measurement stove.The position of temperature probe 9 and quantity need to select according to measurement, in the situation that the rotary furnace cylindrical shell is longer, the optional majority of thermopair 3 is propped up (point) thermopair.
Thermopair 3 and protection tube 2 stretch out outside rotary furnace without the position of heating jacket on the rotation outer wall of rotary furnace, after flange 7 sealings, by signal cable 6, connect wireless temperature transmitter 5.Because thermopair 3 and protection tube 2 keep relative static with rotary furnace cylindrical shell 1; therefore wireless temperature transmitter 5 also should keep relative static with rotary furnace cylindrical shell 1; so wireless temperature transmitter 5 is fixed on the rotation outer wall of rotary furnace by support 4, rotates with rotary furnace.The optional rolling ring of rotation outer wall and the gear position of rotary furnace, also optional rotary furnace front and back end is without the position of chuck.In addition because the rotary furnace furnace body temperature is higher, and the working temperature of wireless temperature transmitter 5 is lower, so wireless temperature transmitter 5 should be fixed on a certain distance from the position of rotary furnace outer wall, in the time of if necessary by support 4, also can add heat-insulation layer to wireless temperature transmitter 5, isolation body of heater high temperature.
Thermopair 3 is transferred to wireless temperature transmitter 5 by the temperature data collected by signal cable 6, and wireless temperature transmitter 5 becomes wireless signal by data-switching again, after receiver receives, is delivered in the DCS system.
Claims (4)
1. temperature of charge determinator in a novel rotary furnace stove; it is characterized in that: the thermopair (3) that a band protection tube (2) is installed on rotary furnace cylindrical shell (1) inwall; protection tube (2) is fixing by the pipe clamp (8) be welded on rotary furnace cylindrical shell (1) inwall; pipe clamp (8) diameter is greater than protection tube (2) diameter; thermopair (3) and protection tube (2) retractable in pipe clamp (8), the temperature probe (9) on thermopair (3) and protection tube (2) inwall close contact.
2. temperature of charge determinator in novel rotary furnace stove as claimed in claim 1, it is characterized in that: thermopair (3) and protection tube (2) stretch out outside rotary furnace without the position of heating jacket on the rotation outer wall of rotary furnace, after flange (7) sealing, by signal cable (6), connect wireless temperature transmitter (5); Wireless temperature transmitter (5) is fixed on the rotation outer wall of rotary furnace and rotates with rotary furnace by support (4).
3. temperature of charge determinator in novel rotary furnace stove as claimed in claim 1 or 2, it is characterized in that: thermopair (3) is multiple spot or branched thermopair.
4. temperature of charge determinator in novel rotary furnace stove as claimed in claim 2, it is characterized in that: wireless temperature transmitter (5) is provided with heat-insulation layer, with isolation body of heater high temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320329675.1U CN203376069U (en) | 2013-06-07 | 2013-06-07 | Novel temperature measuring device for materials in rotary furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320329675.1U CN203376069U (en) | 2013-06-07 | 2013-06-07 | Novel temperature measuring device for materials in rotary furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203376069U true CN203376069U (en) | 2014-01-01 |
Family
ID=49838594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320329675.1U Expired - Lifetime CN203376069U (en) | 2013-06-07 | 2013-06-07 | Novel temperature measuring device for materials in rotary furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203376069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411600A (en) * | 2019-08-28 | 2019-11-05 | 清河县华源精密仪表厂 | A kind of profile thermocouple |
-
2013
- 2013-06-07 CN CN201320329675.1U patent/CN203376069U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411600A (en) * | 2019-08-28 | 2019-11-05 | 清河县华源精密仪表厂 | A kind of profile thermocouple |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHAANXI COAL AND CHEMICAL INDUSTRY GROUP SHENMU TI Free format text: FORMER NAME: HUALU ENGINEERING SCIENCE AND TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 719319 Yulin City, Shenmu county, Kam Industrial Zone Patentee after: SHAANXI COAL AND CHEMICAL INDUSTRY GROUP SHENMU TIANYUAN CHEMICAL INDUSTRY Co.,Ltd. Patentee after: HUALU ENGINEERING & TECHNOLOGY Co.,Ltd. Address before: 710065 Xi'an, Shaanxi, South extension Road, No. 7 Patentee before: HUALU ENGINEERING & TECHNOLOGY Co.,Ltd. Patentee before: SHAANXI COAL AND CHEMICAL INDUSTRY GROUP SHENMU TIANYUAN CHEMICAL INDUSTRY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |