CN212058287U - Temperature and pressure integrated sampling port of sintering machine air box - Google Patents
Temperature and pressure integrated sampling port of sintering machine air box Download PDFInfo
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- CN212058287U CN212058287U CN202020731760.0U CN202020731760U CN212058287U CN 212058287 U CN212058287 U CN 212058287U CN 202020731760 U CN202020731760 U CN 202020731760U CN 212058287 U CN212058287 U CN 212058287U
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Abstract
The temperature and pressure integrated sampling port of the sintering machine air box comprises a temperature measuring pipe, wherein the temperature measuring pipe is welded on an air box shell in an obliquely inserted manner, the axis of the temperature measuring pipe forms an angle of 45-65 degrees with the horizontal plane, one part of the temperature measuring pipe is inserted into an air inlet box cavity, the pipe wall of an insertion end of the temperature measuring pipe is provided with a notch, a semicircular protection section is formed on a section of a side wall above the insertion end and used for protecting a thermocouple, the thermocouple is exposed below the semicircular protection section, the other part of the temperature measuring pipe extends out of the air box, the extending end is higher than the insertion end, the end part of the extending end is used for mounting the thermocouple, a pressure taking branch pipe is welded on the upper side of the pipe wall of the extending end of the temperature measuring pipe and communicated with the temperature measuring pipe, the pressure taking branch pipe extends upwards, the axis of the pressure taking branch pipe.
Description
Technical Field
The utility model relates to a metallurgical industry sintering equipment, in particular to sintering machine bellows temperature, pressure integration sample connection.
Background
In the production of iron and steel, iron ore needs to be treated by a sintering system before entering a blast furnace for smelting, namely, various powdery iron-containing raw materials are mixed with proper amount of fuel and flux, added with proper amount of water, mixed and pelletized, and then distributed on a sintering trolley for roasting, so that the powdery iron-containing raw materials generate a series of physical and chemical changes to form sintered ore which is easy to smelt, and the process is called sintering. The air box of the sintering machine is one of important devices in sintering production, plays a role in guiding the ventilation of a material layer in the sintering production, and waste gas generated in the sintering production process is pumped away by a main exhaust fan through the air box and a large flue and is discharged into the atmosphere. In a sintering plant of a metallurgical enterprise, the accurate detection of the temperature and the pressure of an air box of a sintering machine is an important means for guiding a sintering master control post personnel to adjust the yield and the quality of a sintered finished product ore. In order to accurately detect the temperature and the pressure of an air box of a sintering machine, two holes are usually formed in the side wall of the air box at present, a thermocouple is installed in one hole for measuring the temperature, a pressure tapping pipe is installed in the other hole, the pressure tapping pipe extends in the horizontal direction, the pressure tapping pipe conveys the pressure into a pressure transmitter through a pressure conveying pipe for measuring the pressure, the existing pressure tapping pipe generally adopts 4 branch pipes and is also horizontally installed, and the pressure measurement is influenced by the fact that the pressure tapping pipe is blocked due to the structure. The positions of the air boxes are generally high, the position of the pressure sampling pipe is also high, and the blockage of the pressure sampling pipe can be cleared only by climbing the high position, so that the existing blockage clearing work of the pressure sampling pipe can be only carried out during the maintenance and shutdown of equipment, and great influence is brought to the accurate pressure measurement in the production process; meanwhile, a large amount of impurity particles and dust can be generated in the air box during sintering, and the impurity particles and the dust easily impact the thermocouple, so that the surface protection shell of the thermocouple is damaged, and the service life of the thermocouple is seriously influenced.
Disclosure of Invention
The utility model discloses a solve the problem that prior art exists above, provide a sintering machine bellows temperature, pressure integration sample connection, can measure temperature and pressure simultaneously through this sample connection, can also guarantee that the sample connection is not blockked up to the protection thermocouple is not damaged by impurity granule and dust impact.
The technical scheme of the utility model as follows:
a temperature and pressure integrated sampling port of a sintering machine air box comprises a temperature measuring pipe, wherein the temperature measuring pipe is welded on an air box shell in an inclined insertion manner, the axis of the temperature measuring pipe and the horizontal plane form an angle of 45-65 degrees, one part of the temperature measuring pipe is inserted into the air inlet box cavity, the pipe wall of the insertion end of the temperature measuring pipe is provided with a notch, so that the section surface of the side wall above the insertion end forms a semicircular protective section, is used for protecting the thermocouple, so that the thermocouple is exposed below the semicircular protection section, the other part of the temperature measuring tube extends out of the air box, the extending end is higher than the inserting end, the end part of the extending end is used for installing a thermocouple, a pressure taking branch pipe is welded on the upper side of the pipe wall of the extending end of the temperature measuring pipe, the pressure taking branch pipe is communicated with the temperature measuring pipe, the pressure taking branch pipe extends upwards, the angle between the axis of the pressure taking branch pipe and the horizontal plane is 70-90 degrees, and the pressure taking branch pipe is communicated with a pressure measuring device.
The end part of the extending end of the temperature measuring pipe is provided with external threads, a connecting cover is fixed on the end part of the extending end in a threaded fit mode, and the connecting cover is provided with an electric thermocouple mounting hole.
The two sides of the connecting cover are provided with cutting planes.
The thermocouple mounting hole of the connecting cover is a threaded hole.
The temperature measuring pipe is a 2-inch pipe, and the pressure taking branch pipe is a 6-branch pipe.
And the upper end of the pressure taking branch pipe is provided with an external thread for connecting a pneumatic pipe of a pressure measuring device.
The pressure-taking branch pipe is arranged at the middle section of the temperature measuring pipe.
Adopt above-mentioned technical scheme: the temperature measuring pipe is welded on an air box shell in an obliquely inserted mode, the axis of the temperature measuring pipe forms an angle of 45-65 degrees with the horizontal plane, one part of the temperature measuring pipe is inserted into an air inlet box cavity, a notch is formed in the pipe wall of an insertion end of the temperature measuring pipe, a semicircular protection section is formed in the cutting section of the side wall above the insertion end and used for protecting a thermocouple, the thermocouple is exposed below the semicircular protection section, the other part of the temperature measuring pipe extends out of the air box, the extending end of the temperature measuring pipe is higher than the insertion end, the end of the extending end is used for mounting the thermocouple, a pressure taking branch pipe is welded on the upper side of the pipe wall of the extending end of the temperature measuring pipe and communicated with the temperature measuring pipe, the pressure taking branch pipe extends upwards, the axis of the pressure taking branch pipe forms an angle of 70-90 degrees with the. Therefore, the temperature and pressure in the air box can be measured simultaneously only by arranging a hole on the side wall of the air box to arrange an integrated sampling port for the temperature and pressure of the air box; because the axis of the temperature measuring pipe and the horizontal plane form an angle of 45-65 degrees, and the axis of the pressure taking branch pipe and the horizontal plane form an angle of 70-90 degrees, the pipeline can not be blocked during sintering, the condition that the pipeline is frequently dredged and cleared by climbing to a high place and stopping the machine is avoided, the danger of manual high-altitude operation can be prevented, the manpower and material resources for dredging and clearing the blockage are saved, and the stability of detection can be improved; meanwhile, the temperature measuring tube is provided with the semicircular protection section in the bellows cavity, so that the impact of impurity particles and dust in the bellows during sintering is blocked by the thermocouple, the thermocouple is protected, and the thermocouple can run for a long time.
The end part of the extending end of the temperature measuring pipe is provided with external threads, a connecting cover is fixed on the end part of the extending end in a threaded matching mode, the connecting cover is convenient to disassemble and assemble in a threaded matching mode, and a thermocouple mounting hole is formed in the connecting cover and used for mounting a thermocouple for measuring temperature.
The two sides of the connecting cover are provided with the flat cutting parts, so that force can be applied when the connecting cover is fastened conveniently.
The thermocouple mounting hole of connecting the lid is the screw hole, makes thermocouple ability and connecting the lid thread connection fixed, makes things convenient for the dismouting.
The temperature measuring pipe is a 2-inch pipe, the pipe diameter is larger than that of a 4-branch pipe adopted in the prior art, the pipe is not easy to block, and the pressure taking branch pipe is a 6-branch pipe, so that the pressure taking branch pipe is favorable for collecting air pressure and is connected with an air pressure pipe of a pressure measuring device.
The upper end of the pressure taking branch pipe is provided with an external thread for connecting a pneumatic pipe of a pressure measuring device so as to transmit pressure to a pressure transmitter of the pressure measuring device for measuring pressure.
The invention is further described with reference to the drawings and the specific embodiments.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the structure of the connection cover;
fig. 4 is a view from the direction B-B of fig. 3.
Detailed Description
The utility model discloses sintering machine bellows temperature, an embodiment of pressure integration sample connection:
referring to fig. 1-4, an integrated sampling port for temperature and pressure of a sintering machine bellows comprises a temperature measuring tube 2, wherein the temperature measuring tube 2 is welded on a bellows shell 1 in an inclined insertion manner, the axis of the temperature measuring tube 2 forms an angle of 45-65 degrees with the horizontal plane, the axis of the temperature measuring tube 2 forms 45 degrees with the horizontal plane in the embodiment, a part of the temperature measuring tube 2 is inserted into an air inlet chamber, the wall of an insertion end of the temperature measuring tube 2 is provided with a notch, a semicircular protection section 4 is formed on a section of the upper side wall of the insertion end, the starting position of the semicircular protection section 4 is 5-10 centimeters away from the inner wall of the bellows and is used for protecting a thermocouple, the thermocouple is exposed below the semicircular protection section 4, the other part of the temperature measuring tube 2 extends out of the bellows, the extending end is higher than the insertion end, the end part of the temperature measuring tube 2 is provided with external threads, the connecting cover 5 is provided with an axial stepped hole, a large-diameter hole of the stepped hole is internally provided with a thread for connecting with the end part of the extending end of the temperature measuring pipe 2, and the connecting cover is convenient to disassemble and assemble by adopting thread matching; the small-diameter hole of the stepped hole is a thermocouple mounting hole 5-2, and threads are also arranged in the thermocouple mounting hole 5-2 and used for mounting a thermocouple for measuring temperature, so that the thermocouple can be fixedly connected with the connecting cover 5 through threads, and the thermocouple is convenient to disassemble and assemble; the two sides of the connecting cover 5 are also provided with a cut-off 5-1, so that force can be conveniently applied during fastening. The upper side of the pipe wall of the extending end of the temperature measuring pipe 2 is welded with a pressure taking branch pipe 3, the position of the pressure taking branch pipe 3 is arranged in the middle section of the temperature measuring pipe 2 and is close to the air box shell as far as possible, so that pressure measurement is accurate, the length of the temperature measuring pipe 2 is 60 cm in the embodiment, the position of the pressure taking branch pipe 3 is arranged at the position 30 cm away from the middle of the temperature measuring pipe 2, the pressure taking branch pipe 3 is communicated with the temperature measuring pipe 2, the pressure taking branch pipe 3 extends upwards, the angle between the axis of the pressure taking branch pipe 3 and the horizontal plane is 70-90 degrees, the angle between the axis of the pressure taking branch pipe 3 and the horizontal plane is 90 degrees, blockage is prevented, and the upper end of the pressure taking branch pipe 3 is provided with an external thread for connecting. The temperature measuring pipe 2 is a 2-inch pipe, the pipe diameter is larger than that of a 4-branch pipe adopted in the prior art, and the pipe is not easy to block, and the pressure taking branch pipe 3 is a 6-branch pipe, so that the pressure is collected and connected with a pressure pipe of a pressure measuring device; the temperature measuring pipe 2, the pressure taking branch pipe 3 and the connecting cover 5 are all made of No. 45 steel. Therefore, the temperature and the pressure in the bellows can be measured simultaneously only by opening a hole on the side wall of the bellows; because the axis of the temperature measuring pipe 2 and the horizontal plane form an angle of 45 degrees, and the axis of the pressure taking branch pipe 3 and the horizontal plane form an angle of 90 degrees, the pipeline can not be blocked during sintering, the condition that the pipeline is often blocked by climbing to a high place manually and stopping the machine for dredging and clearing the blockage is avoided, the danger of manual high-altitude operation can be prevented, the manpower and material resources for dredging and clearing the blockage are saved, and the stability of detection can be improved; meanwhile, the temperature measuring tube 2 is provided with the semicircular protection section 4 in the bellows cavity, so that the impact of impurity particles and dust in the bellows during sintering is blocked by the thermocouple, the thermocouple is protected, and the thermocouple can run for a long time.
Claims (7)
1. The utility model provides a sintering machine bellows temperature, pressure integration sample connection which characterized in that: the temperature measuring pipe comprises a temperature measuring pipe (2), wherein the temperature measuring pipe (2) is welded on an air box shell (1) in an obliquely inserted manner, the axis of the temperature measuring pipe (2) forms an angle of 45-65 degrees with the horizontal plane, one part of the temperature measuring pipe (2) is inserted into an air inlet box cavity, a notch is formed in the pipe wall of an insertion end of the temperature measuring pipe (2), a semicircular protection section (4) is formed in the section surface of the upper side wall of the insertion end and used for protecting a thermocouple, the thermocouple is exposed below the semicircular protection section (4), the other part of the temperature measuring pipe (2) extends out of the air box, the extending end is higher than the insertion end, the end part of the extending end is used for installing the thermocouple, a pressure taking branch pipe (3) is welded on the upper side of the pipe wall of the extending end of the temperature measuring pipe (2), the pressure taking branch pipe (3) is communicated with the temperature measuring pipe (2), the pressure taking branch pipe (3) extends upwards, the pressure taking branch pipe (3) is communicated with a pressure measuring device.
2. The integrated temperature and pressure sampling port for the sintering machine windboxes according to claim 1, characterized in that: the temperature measuring pipe is characterized in that external threads are arranged at the end part of the extending end of the temperature measuring pipe (2), a connecting cover (5) is fixed at the end part of the extending end in a threaded fit mode, and an electric thermocouple mounting hole (5-2) is formed in the connecting cover (5).
3. The integrated temperature and pressure sampling port for the sintering machine windboxes according to claim 2, characterized in that: the two sides of the connecting cover (5) are provided with cutting planes (5-1).
4. The integrated temperature and pressure sampling port for the sintering machine windboxes according to claim 2, characterized in that: the thermocouple mounting hole (5-2) of the connecting cover (5) is a threaded hole.
5. The integrated temperature and pressure sampling port for the sintering machine windboxes according to claim 1, characterized in that: the temperature measuring pipe (2) is a 2-inch pipe, and the pressure taking branch pipe (3) is a 6-branch pipe.
6. The integrated temperature and pressure sampling port for the sintering machine windboxes according to claim 1, characterized in that: and the upper end of the pressure taking branch pipe (3) is provided with an external thread for connecting a pneumatic pipe of a pressure measuring device.
7. The integrated temperature and pressure sampling port for the sintering machine windboxes according to claim 1, characterized in that: the pressure taking branch pipe (3) is arranged at the middle section of the temperature measuring pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020731760.0U CN212058287U (en) | 2020-05-07 | 2020-05-07 | Temperature and pressure integrated sampling port of sintering machine air box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020731760.0U CN212058287U (en) | 2020-05-07 | 2020-05-07 | Temperature and pressure integrated sampling port of sintering machine air box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212058287U true CN212058287U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020731760.0U Active CN212058287U (en) | 2020-05-07 | 2020-05-07 | Temperature and pressure integrated sampling port of sintering machine air box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212058287U (en) |
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2020
- 2020-05-07 CN CN202020731760.0U patent/CN212058287U/en active Active
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