CN216116263U - Special powder level measuring system for ultra-high temperature rotary kiln - Google Patents
Special powder level measuring system for ultra-high temperature rotary kiln Download PDFInfo
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- CN216116263U CN216116263U CN202122206971.XU CN202122206971U CN216116263U CN 216116263 U CN216116263 U CN 216116263U CN 202122206971 U CN202122206971 U CN 202122206971U CN 216116263 U CN216116263 U CN 216116263U
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Abstract
The utility model provides a special powder level measuring system for an ultra-high temperature rotary kiln, wherein a vertical pipe of a high-temperature resistant alloy heat dissipation section of 120cm is added between an ultra-high frequency transmission radar and pulverized coal in a high-temperature pulverized coal rotary kiln, an ultra-high temperature resistant quartz crystal is arranged at a position 50cm away from the vertical pipe of the high-temperature resistant alloy heat dissipation section, ultra-high temperature resistant metal gaskets are assembled outside two sides of the quartz crystal, the ultra-high temperature resistant metal gaskets are in seamless butt joint with the quartz crystal, a high-temperature gas blowing inlet is additionally arranged on the outer side of a vertical pipe of a high-temperature alloy heat dissipation section below the quartz crystal, a temperature sensor and a pressure sensor are arranged on the vertical pipe of the high-temperature alloy heat dissipation section, the bottom end of the vertical pipe of the high-temperature-resistant alloy heat dissipation section is provided with the ultra-high-temperature ball valve, the closing of the lower ultra-high-temperature ball valve is controlled by the temperature sensor and the pressure sensor, and the adhesion of coal tar to quartz crystals is blocked by injecting high-temperature steam. The utility model can block the adhesion of coal tar to quartz crystal by injecting high-temperature water vapor, and is convenient for measuring the powder level of the coal powder.
Description
Technical Field
The utility model relates to the technical field of technical coal powder measurement, in particular to a special powder level measuring system for an ultrahigh-temperature rotary kiln.
Background
The heated pulverized coal in the pulverized coal rotary kiln falls into the powder bin, and the pulverized coal to be measured is in a suspension combustion state, so that the pulverized coal is distributed more intensively, and a great amount of high-temperature dust and tar gas are generated after a lot of pulverized coal is combusted and falls down, so that the problem that a common material level product cannot be measured is caused. The temperature of high-temperature coal powder in the coal powder rotary kiln can reach 450-1000 ℃ and high-temperature coal tar gas can be generated, if a common level measuring instrument and the coal powder are in contact measurement, the common level measuring instrument can be directly burnt by the high-temperature coal powder and the high-temperature coal tar gas, the probe part of the level measuring instrument can be integrally adhered by the generated coal tar, and a large amount of coal tar is attached to the probe of the instrument, so that the measurement cannot be carried out, and the high-temperature coal powder rotary kiln working condition measurement blind spot is formed.
Therefore, it is desirable to design a powder level measuring system for an ultra-high temperature rotary kiln to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a special powder level measuring system for an ultra-high temperature rotary kiln, which can block the adhesion of coal tar to quartz crystals through the injection of high-temperature water vapor, and is convenient for measuring the powder level of pulverized coal.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a special powder level measuring system for an ultrahigh-temperature rotary kiln comprises a high-temperature-resistant alloy heat dissipation section vertical pipe, a quartz crystal, an ultrahigh-temperature-resistant metal gasket, an inclined flange, a first flange, a temperature sensor, a pressure sensor, an ultrahigh-temperature ball valve, a second flange, a high-temperature gas blowing port and a radar level gauge, wherein a 120cm high-temperature-resistant alloy heat dissipation section vertical pipe is additionally arranged between ultrahigh-frequency transmission radar and pulverized coal in the high-temperature pulverized coal rotary kiln, an ultrahigh-temperature-resistant quartz crystal is installed at a position 50cm away from the high-temperature-resistant alloy heat dissipation section vertical pipe, the ultrahigh-temperature-resistant metal gasket is assembled outside two sides of the quartz crystal, the ultrahigh-temperature-resistant metal gasket is in seamless butt joint with the quartz crystal, the high-temperature gas blowing port is additionally arranged outside the high-temperature alloy heat dissipation section vertical pipe below the quartz crystal, and the temperature sensor and the pressure sensor are arranged on the high-temperature alloy heat dissipation section vertical pipe, and the bottom end of the vertical pipe of the high-temperature-resistant alloy heat dissipation section is provided with an ultrahigh-temperature ball valve, the closing of the lower ultrahigh-temperature ball valve is controlled by the temperature sensor and the pressure sensor, and the adhesion of coal tar to quartz crystals is blocked by injecting high-temperature water vapor.
Preferably, the quartz crystal has a heat resistance temperature of 1200 ℃.
Preferably, a first flange is fixed on the outer side of the high-temperature-resistant alloy heat dissipation section vertical pipe, the quartz crystal is connected with an inclined flange sleeved on the outer side of the high-temperature-resistant alloy heat dissipation section vertical pipe, and the inclined flange is fixedly connected with the first flange through a bolt.
Preferably, a radar level gauge is installed at the top of the high-temperature-resistant alloy heat dissipation section vertical pipe.
Preferably, the ultrahigh-temperature ball valve is fixedly connected with the bottom end of the high-temperature alloy heat dissipation section vertical pipe through a second flange.
Preferably, the inclination angle of the quartz crystal to the horizontal plane is 25 degrees.
The utility model provides a special powder level measuring system for an ultrahigh-temperature rotary kiln. The method has the following beneficial effects:
1. the utility model can block the adhesion of coal tar to quartz crystal by injecting high-temperature water vapor, the ultrahigh-temperature ball valve is arranged below the high-temperature alloy heat dissipation section, and the valve can be manually or electrically closed when the measuring device is checked or maintained, so that the quick overhaul and maintenance without influencing the production can be realized! When the ultrahigh frequency transmission radar high-temperature-resistant measuring system is used for measuring the rotary kiln coal dust bin, under the condition that the measured coal dust is burnt and a large amount of coal tar is attached, the output signal of the ultrahigh frequency transmission radar high-temperature-resistant measuring system is very stable, basically free from interference and free from jumping! The dangerous condition that workers wear gas masks and manually measure by using the heavy hammer every 30 minutes (when the heavy hammer rises and falls up and down, a large amount of toxic and harmful high-temperature gas is released along a measuring channel) is successfully solved.
Drawings
FIG. 1 is a schematic structural diagram of a special powder level measuring system for an ultrahigh-temperature rotary kiln.
In the figure: 1 high temperature resistant alloy heat dissipation section riser, 2 quartz crystal, 3 resistant ultra-high temperature metal gasket, 4 inclined plane flanges, 5 first flanges, 6 temperature sensor, 7 pressure sensor, 8 ultra-high temperature ball valve, 9 second flanges, 10 high-temperature gas blows into mouth, 11 radar charge level indicator.
Detailed Description
The utility model is further described with reference to the following drawings and detailed description:
in the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figure 1, the special powder level measuring system for the ultrahigh-temperature rotary kiln comprises a vertical pipe 1 of a high-temperature-resistant alloy heat dissipation section, a quartz crystal 2, an ultrahigh-temperature-resistant metal gasket 3, an inclined flange 4, a first flange 5, a temperature sensor 6, a pressure sensor 7, an ultrahigh-temperature ball valve 8, a second flange 9, a high-temperature gas blowing port 10 and a radar level gauge 11, wherein a 120cm vertical pipe 1 of the high-temperature-resistant alloy heat dissipation section is additionally arranged between an ultrahigh-frequency transmission radar (the radar level gauge 11) and pulverized coal in the high-temperature pulverized coal rotary kiln, a quartz crystal 2 with ultrahigh temperature resistance is arranged at a position 50cm away from the vertical pipe of the high-temperature-resistant alloy heat dissipation section, ultrahigh-temperature-resistant metal gaskets 3 are assembled outside two sides of the quartz crystal 2, the ultrahigh-temperature-resistant metal gaskets 3 are in seamless butt joint with the quartz crystal 2, the high-temperature gas blowing port 10 is additionally arranged outside the vertical pipe 1 of the high-temperature-resistant alloy heat dissipation section below the quartz crystal 2, the high-temperature alloy heat dissipation section vertical pipe 1 is provided with a temperature sensor 6 and a pressure sensor 7, the bottom end of the high-temperature alloy heat dissipation section vertical pipe 1 is provided with an ultrahigh-temperature ball valve 8, the temperature sensor 6 and the pressure sensor 7 control the closing of the lower-section ultrahigh-temperature ball valve 8, and the adhesion of coal tar to the quartz crystal 2 is blocked through the injection of high-temperature water vapor.
By the scheme of the utility model, the heat-resistant temperature of the quartz crystal 2 is 1200 ℃.
According to the scheme of the utility model, a first flange 5 is fixed on the outer side of the high-temperature-resistant alloy heat dissipation section vertical pipe 1, the quartz crystal 2 is connected with an inclined flange 4 sleeved on the outer side of the high-temperature-resistant alloy heat dissipation section vertical pipe 1, and the inclined flange 4 is fixedly connected with the first flange 5 through bolts.
According to the scheme, the radar level gauge 11 is installed at the top of the high-temperature-resistant alloy heat dissipation section vertical pipe 1.
According to the scheme of the utility model, the ultrahigh-temperature ball valve 8 is fixedly connected with the bottom end of the high-temperature-resistant alloy heat dissipation section vertical pipe 1 through the second flange 9.
With the above aspect of the present invention, the inclination angle of the quartz crystal 2 to the horizontal plane is 25 degrees.
In addition, the coal powder heated in the rotary kiln for the coal powder directly transmits a remote transmission signal to an automatic control room of the whole plant through the measurement of the high-temperature resistant measurement system of the ultrahigh frequency transmission radar in the production field, a controller can analyze the powder level change and the condition of the high-temperature coal powder according to the signal transmitted from the field at any time, the coal powder is added and reduced at any time according to the signal, the coal powder in the rotary kiln for the coal powder is stably controlled, the high-temperature resistant measurement system of the ultrahigh frequency transmission radar avoids the workload of an operator in an ultrahigh-temperature dangerous environment, and the working time of the operator in the environment of toxic and harmful gases is eliminated. The operation workers can work in a safe and reliable environment, the safe production environment of a factory is further improved, and the synchronization of field display and automatic control room display signals is realized. The production efficiency of the pulverized coal rotary kiln is stably improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A special powder level measuring system for an ultrahigh-temperature rotary kiln comprises a high-temperature-resistant alloy heat dissipation section vertical pipe, quartz crystals, an ultrahigh-temperature-resistant metal gasket, a bevel flange, a first flange, a temperature sensor, a pressure sensor, an ultrahigh-temperature ball valve, a second flange, a high-temperature gas blowing port and a radar level gauge, and is characterized in that a 120cm high-temperature-resistant alloy heat dissipation section vertical pipe is additionally arranged between an ultrahigh-frequency transmission radar and pulverized coal in a high-temperature pulverized coal rotary kiln, the ultrahigh-temperature-resistant quartz crystals are arranged at 50cm positions of the high-temperature-resistant alloy heat dissipation section vertical pipe, the ultrahigh-temperature-resistant metal gaskets are externally assembled on two sides of the quartz crystals, the ultrahigh-temperature-resistant metal gaskets are in seamless butt joint with the quartz crystals, the high-temperature gas blowing port is additionally arranged on the outer side of the high-temperature alloy heat dissipation section vertical pipe below the quartz crystals, and the temperature sensor and the pressure sensor are arranged on the high-temperature alloy heat dissipation section vertical pipe, and the bottom end of the vertical pipe of the high-temperature-resistant alloy heat dissipation section is provided with an ultrahigh-temperature ball valve, the closing of the lower ultrahigh-temperature ball valve is controlled by the temperature sensor and the pressure sensor, and the adhesion of coal tar to quartz crystals is blocked by injecting high-temperature water vapor.
2. The special powder level measuring system for the ultrahigh-temperature rotary kiln as claimed in claim 1, wherein: the heat-resistant temperature of the quartz crystal is 1200 ℃.
3. The special powder level measuring system for the ultrahigh-temperature rotary kiln as claimed in claim 1, wherein: the outer side of the high-temperature-resistant alloy heat dissipation section vertical pipe is fixedly provided with a first flange, the quartz crystal is connected with an inclined flange sleeved on the outer side of the high-temperature-resistant alloy heat dissipation section vertical pipe, and the inclined flange is fixedly connected with the first flange through a bolt.
4. The special powder level measuring system for the ultrahigh-temperature rotary kiln as claimed in claim 1, wherein: and a radar level gauge is arranged at the top of the high-temperature-resistant alloy heat dissipation section vertical pipe.
5. The special powder level measuring system for the ultrahigh-temperature rotary kiln as claimed in claim 1, wherein: and the ultrahigh-temperature ball valve is fixedly connected with the bottom end of the vertical pipe of the high-temperature-resistant alloy heat dissipation section through a second flange.
6. The special powder level measuring system for the ultrahigh-temperature rotary kiln as claimed in claim 1, wherein: the inclination angle of the quartz crystal and the horizontal plane is 25 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122206971.XU CN216116263U (en) | 2021-09-13 | 2021-09-13 | Special powder level measuring system for ultra-high temperature rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122206971.XU CN216116263U (en) | 2021-09-13 | 2021-09-13 | Special powder level measuring system for ultra-high temperature rotary kiln |
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| Publication Number | Publication Date |
|---|---|
| CN216116263U true CN216116263U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122206971.XU Active CN216116263U (en) | 2021-09-13 | 2021-09-13 | Special powder level measuring system for ultra-high temperature rotary kiln |
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| Country | Link |
|---|---|
| CN (1) | CN216116263U (en) |
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2021
- 2021-09-13 CN CN202122206971.XU patent/CN216116263U/en active Active
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