CN213986278U - Device for measuring coke thermal performance - Google Patents
Device for measuring coke thermal performance Download PDFInfo
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- CN213986278U CN213986278U CN202022152704.4U CN202022152704U CN213986278U CN 213986278 U CN213986278 U CN 213986278U CN 202022152704 U CN202022152704 U CN 202022152704U CN 213986278 U CN213986278 U CN 213986278U
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Abstract
The utility model discloses a measure coke thermal behavior device, include: the system comprises a gasification furnace, an electric furnace, a tail gas analysis device, a gas distribution instrument, a gasification controller, a controller, an air inlet pipe, an air vent pipe and an air vent pipe; the upper end in the gasification furnace is provided with a gas distribution instrument; a gasification controller is arranged at the upper end of the outer side of the gasification furnace, and the gasification controller is matched with the gas distribution instrument for application; a controller is arranged at the bottom end of the side wall of the gasification furnace; an air inlet pipe is arranged on the left side of the gasification furnace; an electric furnace is arranged on the right side of the gasification furnace, and the gasification furnace is connected with the electric furnace through a vent pipe; and a tail gas analysis device is arranged on the right side of the electric furnace and is connected with the electric furnace through an exhaust pipe. The device has the advantages of simple structure, reasonable design, convenient operation, high working efficiency, low manufacturing cost and convenient large-scale popularization and application.
Description
Technical Field
The utility model belongs to the technical field of coke measuring equipment technique and specifically relates to a measure coke thermal behavior device is related to.
Background
At present, blast furnaces are operated by using large coal injection, and the hydrogen content in coal powder is high, and the hydrogen content in coal gas is increased along with the increase of the coal ratio, so the influence of hydrogen is considered in the measurement of coke reactivity. The existing coke reactivity detection equipment detects without considering the influence of water vapor in coal gas, and gas components in the reaction process are not clear, so the existing detection equipment has the defects that the coal gas environment in a blast furnace cannot be approximately simulated, the detection result cannot completely represent the actual condition of coke in the blast furnace, and the detection on the coke thermal performance is not comprehensive enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a measure coke thermal behavior device.
To achieve the above object, the present invention adopts the following:
an apparatus for measuring coke thermal properties, comprising: the system comprises a gasification furnace, an electric furnace, a tail gas analysis device, a gas distribution instrument, a gasification controller, a controller, an air inlet pipe, an air vent pipe and an air vent pipe; the upper end in the gasification furnace is provided with a gas distribution instrument; a gasification controller is arranged at the upper end of the outer side of the gasification furnace, and the gasification controller is matched with the gas distribution instrument for application; a controller is arranged at the bottom end of the side wall of the gasification furnace; an air inlet pipe is arranged on the left side of the gasification furnace; an electric furnace is arranged on the right side of the gasification furnace, and the gasification furnace is connected with the electric furnace through a vent pipe; and a tail gas analysis device is arranged on the right side of the electric furnace and is connected with the electric furnace through an exhaust pipe.
Preferably, the controller is electrically connected with the device and controls the operation of the device.
Preferably, the number of the air inlet pipes is not less than one, and the air inlet pipes are arranged according to the number of the air distribution types.
Preferably, the electric furnace comprises a coke reactor, an electric core thermocouple, a movable thermocouple, a thermowell and a material layer; a coke reactor is arranged in the center of the interior of the electric furnace and is fixed in the center of the upper end of the interior of the electric furnace; arranging a material layer at the bottom end in the coke reactor; a core thermocouple is arranged in the center of the interior of the coke reactor, and the upper end of the core thermocouple extends out of the coke reactor; a thermocouple sleeve is arranged on one side of the electric core thermocouple and is fixed on the coke reactor; a movable thermocouple is arranged in the thermocouple sleeve; an exhaust pipe is arranged on one side in the electric furnace, one end of the exhaust pipe is arranged at the bottom end of the coke reactor, and the other end of the exhaust pipe extends out of the electric furnace and is arranged on a tail gas analysis device.
Preferably, the intake pipe, the vent pipe and the exhaust pipe are made of uniform high-temperature and corrosion resistant materials.
Preferably, the thermowell is made of a high temperature and corrosion resistant material.
The utility model has the advantages of it is following:
the device has simple structure, reasonable design and convenient operation, and the controller is electrically connected with the gas distribution instrument and used for controlling the composition and the gas output of the coke reactive gas; the control device is electrically connected with the gasification digging instrument and is used for controlling the gas output of the gasification controller; the controller is electrically connected with the thermocouple and is used for controlling the heating temperature of the thermocouple; the controller is electrically connected with the tail gas analysis device and is used for detecting the tail gas composition.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of an apparatus for measuring coke thermal properties according to the present invention.
In the figures, the various reference numbers are:
1-gasification furnace, 2-electric furnace, 21-coke reactor, 22-electric core thermocouple, 23-movable thermocouple, 24-thermocouple sleeve, 25-material layer, 3-tail gas analysis device, 4-gas distribution instrument, 5-gasification controller, 6-controller, 7-gas inlet pipe, 8-vent pipe and 9-exhaust pipe.
Detailed Description
In order to illustrate the invention more clearly, the invention is further described below with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
As shown in fig. 1, an apparatus for measuring coke thermal properties includes: the system comprises a gasification furnace 1, an electric furnace 2, a tail gas analysis device 3, a gas distribution instrument 4, a gasification controller 5, a controller 6, an air inlet pipe 7, a vent pipe 8 and an exhaust pipe 9; the upper end of the inside of the gasification furnace 1 is provided with a gas distribution instrument 4, the upper end of the outside of the gasification furnace 1 is provided with a gasification controller 5, and the gasification controller 5 is matched with the gas distribution instrument 4 for use; the bottom end of the side wall of the gasification furnace 1 is provided with a controller 6, the left side of the gasification furnace 1 is provided with an air inlet pipe 7, the right side of the gasification furnace 1 is provided with the electric furnace 2, and the gasification furnace 1 is connected with the electric furnace 2 through a vent pipe 8; the right side of the electric furnace 2 is provided with a tail gas analysis device 3, and the tail gas analysis device 3 is connected with the electric furnace 2 through an exhaust pipe 9.
Further, the controller 6 is electrically connected with the device and controls the operation of the device.
Further, the number of the air inlet pipes 7 is not less than one, and the air inlet pipes are arranged according to the number of the air distribution types.
Further, the electric furnace 2 includes a coke reactor 21, a core thermocouple 22, a movable thermocouple 23, a thermowell 24, and a bed 25; a coke reactor 21 is arranged at the center inside the electric furnace 2, and the coke reactor 21 is fixed at the center of the upper end inside the electric furnace 2; a material layer 25 is arranged at the bottom end in the coke reactor 21, a center thermocouple 22 is arranged at the center in the coke reactor 21, and the upper end of the center thermocouple 22 extends out of the coke reactor 21; a thermowell 24 is arranged on one side of the electric core thermocouple 22, and the thermowell 24 is fixed on the coke reactor 21; a movable thermocouple 23 is arranged in a thermocouple well 24, an exhaust pipe 9 is arranged at one side of the interior of the electric furnace 2, one end of the exhaust pipe 9 is arranged at the bottom end of the coke reactor 21, and the other end extends out of the electric furnace 2 and is arranged on the tail gas analysis device 3.
Further, the air inlet pipe 7, the vent pipe 8 and the exhaust pipe 9 are made of uniform high-temperature and corrosion resistant materials.
Further, the thermowell 24 is made of a high temperature and corrosion resistant material.
The utility model discloses a standard coke reactor is made according to GB/T4000-1996 "coke reactivity and reaction after intensity test method", is applicable to the coke reactivity and the reaction strength's of blast furnace ironmaking with burnt survey, and its specific structure is not added the perk here.
When the heating furnace is measured, the coke reactor 21 is used completely according to the measurement test process of the reactivity and the strength after reaction of the coke, and the principle is as follows: a mass sample of coke was weighed, placed in a reactor and reacted with carbon dioxide at 1100+5 ℃ for 2 hours, and coke reactivity (CRI%) was expressed as a percentage of coke mass loss. After the coke after reaction is subjected to a type I drum test, the coke with the particle size fraction larger than lOmm accounts for the mass percent of the coke after reaction, and the mass percent represents the strength (CSR%) after reaction.
The determination process comprises the following steps: a200. + -. 0.5g sample of coke (between about 38 and 42) is weighed, and a layer of alumina balls (about 40) of about 100mm height is laid on the bottom of the reactor, and the sieve plate is laid flat on top. Then, a coke sample (material layer 25) is loaded, the height of the high-alumina ball is adjusted before the sample is loaded, the material layer 25 in the coke reactor 21 is positioned in a constant temperature area of a heating furnace, a central thermocouple 22 fixed on an upper cover is inserted into the central position of the material layer 25, the upper cover is also provided with a thermocouple well tube 24, and the lower part of the thermocouple well tube is inserted into the high-alumina ball. The upper cover is fixed with the barrel of the coke reactor 21 by screws, the coke reactor 21 is placed on a bracket at the top of the furnace and is hung in the heating furnace, and an asbestos plate is placed between the bracket and the heating furnace cover for heat insulation. The air inlet pipe 7 and the air outlet pipe 9 are connected to an air supply system and an air exhaust system, respectively. The movable thermocouple 23 was inserted into the reactor thermowell 24 and the gas path was checked to ensure tightness.
The test was conducted with the furnace heating adjusted by the controller, and the central thermocouple 22 was used to measure the temperature of the reactor charge layer 25. In the test process, the movable thermocouple 24 is operated by a manipulator to move up and down by taking the central thermocouple 22 as a reference, the stepping precision is 1-10 mm, the length of a measurement temperature zone is 100-150 mm, and the measurement precision is 1100 +/-5 ℃. And finally, the measurement result is transmitted to the temperature measuring instrument from the output end of the movable thermocouple 23 through an external wire and is displayed through a screen on the temperature measuring instrument.
Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.
Claims (6)
1. An apparatus for measuring coke thermal properties, comprising: the system comprises a gasification furnace, an electric furnace, a tail gas analysis device, a gas distribution instrument, a gasification controller, a controller, an air inlet pipe, an air vent pipe and an air vent pipe; the upper end in the gasification furnace is provided with a gas distribution instrument; a gasification controller is arranged at the upper end of the outer side of the gasification furnace, and the gasification controller is matched with the gas distribution instrument for application; a controller is arranged at the bottom end of the side wall of the gasification furnace; an air inlet pipe is arranged on the left side of the gasification furnace; an electric furnace is arranged on the right side of the gasification furnace, and the gasification furnace is connected with the electric furnace through a vent pipe; and a tail gas analysis device is arranged on the right side of the electric furnace and is connected with the electric furnace through an exhaust pipe.
2. The apparatus of claim 1, wherein the controller is electrically connected to the apparatus and controls the operation of the apparatus.
3. The apparatus for measuring coke thermal performance according to claim 1, wherein the number of the air inlet pipes is not less than one, and the air inlet pipes are arranged according to the number of the air distribution types.
4. The apparatus for measuring coke thermal properties according to claim 1, wherein the electric furnace comprises a coke reactor, an electric core thermocouple, a movable thermocouple, a thermowell and a material layer; a coke reactor is arranged in the center of the interior of the electric furnace and is fixed in the center of the upper end of the interior of the electric furnace; arranging a material layer at the bottom end in the coke reactor; a core thermocouple is arranged in the center of the interior of the coke reactor, and the upper end of the core thermocouple extends out of the coke reactor; a thermocouple sleeve is arranged on one side of the electric core thermocouple and is fixed on the coke reactor; a movable thermocouple is arranged in the thermocouple sleeve; an exhaust pipe is arranged on one side in the electric furnace, one end of the exhaust pipe is arranged at the bottom end of the coke reactor, and the other end of the exhaust pipe extends out of the electric furnace and is arranged on a tail gas analysis device.
5. The apparatus of claim 1, wherein the inlet duct, the vent duct and the exhaust duct are made of a uniform high temperature and corrosion resistant material.
6. The apparatus of claim 4, wherein the thermowell is made of a high temperature and corrosion resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022152704.4U CN213986278U (en) | 2020-09-27 | 2020-09-27 | Device for measuring coke thermal performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022152704.4U CN213986278U (en) | 2020-09-27 | 2020-09-27 | Device for measuring coke thermal performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213986278U true CN213986278U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022152704.4U Active CN213986278U (en) | 2020-09-27 | 2020-09-27 | Device for measuring coke thermal performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213986278U (en) |
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2020
- 2020-09-27 CN CN202022152704.4U patent/CN213986278U/en active Active
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