CN209763006U - Evaporator utilizing waste heat of blast furnace slag - Google Patents
Evaporator utilizing waste heat of blast furnace slag Download PDFInfo
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- CN209763006U CN209763006U CN201920409462.7U CN201920409462U CN209763006U CN 209763006 U CN209763006 U CN 209763006U CN 201920409462 U CN201920409462 U CN 201920409462U CN 209763006 U CN209763006 U CN 209763006U
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- furnace slag
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Abstract
The utility model provides an evaporator using blast furnace slag waste heat, which comprises an evaporation chamber and a heating chamber, wherein the evaporation chamber is communicated with the heating chamber; a secondary steam outlet pipe flange is arranged on the evaporation chamber; the heating chamber comprises a shell, two tube plates are respectively arranged at two ends of the shell, and a silicon carbide tube bundle is arranged between the two tube plates; the upper end of the shell is provided with a high-temperature steam inlet flange; the lower end of the shell is provided with a cooling water inlet flange and a low-temperature steam outlet flange, wherein the cooling water inlet flange, the silicon carbide tube bundle and the secondary steam outlet tube flange are communicated in sequence; the high-temperature steam inlet flange is communicated with the low-temperature steam outlet flange; the evaporator is efficient, energy-saving, high in heat exchange speed, high-temperature resistant, high-pressure resistant and corrosion resistant.
Description
Technical Field
The utility model belongs to blast furnace slag sensible heat recovery utilizes field, relates to an utilize evaporimeter of blast furnace slag waste heat.
Background
The evaporator mainly comprises a heating chamber and an evaporation chamber, and absorbs the heat energy of high-temperature steam outside the pipe by using cooling water flowing in the pipe to reduce the temperature of the high-temperature steam. The material of present heat exchange tube has: steel pipes, copper pipes, aluminum pipes, stainless steel pipes, titanium pipes, and the like. However, since steam generated by red hot liquid blast furnace slag contains corrosive gas and has a temperature as high as about 500 ℃, the conventional evaporator cannot be applied to heat exchange with steam generated by liquid blast furnace slag.
The technical scheme of the evaporator utilizing the waste heat of the blast furnace slag is not disclosed after retrieval.
Disclosure of Invention
an object of the utility model is to provide an utilize evaporimeter of blast furnace slag waste heat, solved the unable steam heat exchange that is suitable for liquid blast furnace slag and produces of current evaporimeter.
In order to achieve the above purpose, the utility model discloses a technical scheme is:
The utility model provides an evaporator using blast furnace slag waste heat, which comprises an evaporation chamber and a heating chamber, wherein the evaporation chamber is communicated with the heating chamber; a secondary steam outlet pipe flange is arranged on the evaporation chamber;
The heating chamber comprises a shell, two tube plates are respectively arranged at two ends of the shell, and a silicon carbide tube bundle is arranged between the two tube plates;
The upper end of the shell is provided with a high-temperature steam inlet flange; the lower end of the shell is provided with a cooling water inlet flange and a low-temperature steam outlet flange, wherein the cooling water inlet flange, the silicon carbide tube bundle and the secondary steam outlet tube flange are communicated in sequence; the high-temperature steam inlet flange is communicated with the low-temperature steam outlet flange.
Preferably, an insulating layer is arranged on the inner side wall of the shell.
Preferably, the heat insulation layer is formed by aluminum silicate fiber cotton and aluminum plate stacks.
Preferably, a plurality of baffle plates are arranged in the inner cavity of the shell, and the baffle plates are alternately arranged from top to bottom to form a flow channel with an S-shaped structure.
Preferably, there are three silicon carbide tube bundles arranged in an equilateral triangle configuration.
Preferably, the bottom of the heating chamber is provided with a stand.
Compared with the prior art, the beneficial effects of the utility model are that:
The utility model provides an evaporator utilizing blast furnace slag waste heat, wherein a tube bundle is made of silicon carbide in the evaporator, and cooling water in the silicon carbide tube bundle absorbs heat of high-temperature steam; cooling water enters the evaporator from a pipeline at a cooling water inlet flange, and after passing through a silicon carbide pipe bundle, the cooling water absorbs the heat of steam outside the pipe, so that the water inside the silicon carbide pipe is changed into a high-temperature steam-water mixture, the high-temperature steam-water mixture is gasified in the evaporation chamber, and secondary steam flows out of the evaporator from a secondary steam outlet pipe flange; and discharging the cooled water vapor from the low-temperature water vapor outlet flange.
drawings
FIG. 1 is a schematic structural diagram of an evaporator designed by the present invention;
The device comprises a shell, a secondary steam outlet pipe flange 2, an evaporation chamber 3, a flange 4, a pipe plate 5, a high-temperature steam inlet flange 6, a heat-insulating layer 7, a silicon carbide pipe bundle 8, a baffle plate 9, a low-temperature steam outlet flange 10, a shell 11, a cooling water inlet flange 12 and a support, wherein the shell is made of silicon carbide, silicon carbide.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the utility model provides an utilize evaporimeter of blast furnace slag waste heat, including the evaporimeter body, the evaporimeter body includes evaporating chamber 2 and heating chamber, wherein, connects through communicating between evaporating chamber 2 and the heating chamber.
The evaporating chamber 2 is provided with a secondary steam outlet pipe flange 1.
the heating chamber includes casing 10, is provided with heat preservation 6 on the inside wall of casing 10, can effectively promote the energy-conserving effect of evaporimeter, reduces calorific loss.
the heat-insulating layer 6 is composed of aluminum silicate fiber cotton and an aluminum plate.
Two tube plates 4 are respectively installed at two ends of the shell 10, three silicon carbide tube bundles 7 are arranged between the two tube plates 4, and the three silicon carbide tube bundles 7 are arranged in an equilateral triangle structure. The structure ensures that the turbulence degree of the fluid outside the pipe is high, the heat transfer coefficient is large, and the evaporator is efficient and energy-saving.
The tube plates 4 are fixed to both ends of the shell 10 by flanges 3.
A plurality of baffle plates 8 are arranged in the inner cavity of the shell 10, and the baffle plates 8 are alternately arranged from top to bottom to form a flow channel with an S-shaped structure.
The upper end of the shell 10 is provided with a high-temperature steam inlet flange 5; the lower end of the shell 10 is provided with a cooling water inlet flange 11, and the cooling water inlet flange 11 is arranged below the lower end tube plate 4.
The lower end of the shell 10 is provided with a low-temperature steam outlet flange 9, and the low-temperature steam outlet flange 9 is arranged above the lower end tube plate 4.
Wherein, the cooling water inlet flange 11, the silicon carbide tube bundle 7 and the secondary steam outlet pipe flange 1 are communicated in sequence; the high-temperature water vapor inlet flange 5 is communicated with the low-temperature water vapor outlet flange 9
The bottom of the heating chamber is provided with a support 12.
wherein the tube plate 4 is made of 1Cr25Ni20Si2 austenitic steel; the shell 10 is made of 316L stainless steel; the baffle 8 is made of 316L stainless steel.
High-temperature steam gets into the evaporimeter from flange 5 department pipeline, through tube bank 7 and baffling board 8, gives the cooling water in the tube bank 7 heat transfer, and in the cooling water got into the evaporimeter from the pipeline of flange 11 department, through the carborundum tube bundle, the heat of absorption outside of tubes steam made the intraductal water of carborundum become high temperature steam-water mixture, gasifies in evaporating chamber 2, and secondary steam flows out the evaporimeter from flange 1.
The utility model discloses a theory of operation is:
High-temperature steam gets into this internal, flows through 7 outsides of carborundum tube bank, through 7 outer and baffling boards 8 of carborundum tube bank, gives the cooling water in 7 of carborundum tube bank heat transfer, makes the cooling water in 7 of carborundum tube bank become high-temperature steam-water mixture by the heating, gasifies in evaporating chamber 2, and secondary steam flows out the evaporimeter body from secondary steam outlet pipe flange 1 department.
Claims (6)
1. The evaporator utilizing the waste heat of the blast furnace slag is characterized by comprising an evaporation chamber (2) and a heating chamber, wherein the evaporation chamber (2) is communicated with the heating chamber; a secondary steam outlet pipe flange (1) is arranged on the evaporation chamber (2);
The heating chamber comprises a shell (10), two tube plates (4) are respectively arranged at two ends of the shell (10), and a silicon carbide tube bundle (7) is arranged between the two tube plates (4);
The upper end of the shell (10) is provided with a high-temperature water vapor inlet flange (5); the lower end of the shell (10) is provided with a cooling water inlet flange (11) and a low-temperature steam outlet flange (9), wherein the cooling water inlet flange (11), the silicon carbide tube bundle (7) and the secondary steam outlet pipe flange (1) are communicated in sequence; the high-temperature water vapor inlet flange (5) is communicated with the low-temperature water vapor outlet flange (9).
2. The evaporator using the waste heat of blast furnace slag according to claim 1, wherein the inner side wall of the shell (10) is provided with an insulating layer (6).
3. The evaporator using the waste heat of blast furnace slag according to claim 2, wherein the heat-insulating layer (6) is formed by aluminum silicate fiber cotton and aluminum plate stack.
4. The evaporator using the waste heat of the blast furnace slag according to the claim 1, wherein a plurality of baffles (8) are installed in the inner cavity of the shell (10), and the baffles (8) are alternately arranged from top to bottom to form a flow channel with an S-shaped structure.
5. The evaporator using the waste heat of blast furnace slag according to claim 1, characterized in that three silicon carbide tube bundles (7) are provided, and the three silicon carbide tube bundles (7) are arranged in an equilateral triangle structure.
6. The evaporator using the residual heat of blast furnace slag according to claim 1, wherein the bottom of the heating chamber is provided with a support (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920409462.7U CN209763006U (en) | 2019-03-28 | 2019-03-28 | Evaporator utilizing waste heat of blast furnace slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920409462.7U CN209763006U (en) | 2019-03-28 | 2019-03-28 | Evaporator utilizing waste heat of blast furnace slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209763006U true CN209763006U (en) | 2019-12-10 |
Family
ID=68756929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920409462.7U Active CN209763006U (en) | 2019-03-28 | 2019-03-28 | Evaporator utilizing waste heat of blast furnace slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209763006U (en) |
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2019
- 2019-03-28 CN CN201920409462.7U patent/CN209763006U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 605, 6 / F, block B, Zhonggang international, one side of Wenjing Road, economic development zone, Xi'an City, Shaanxi Province, 710000 Patentee after: Shaanxi Yuteng energy and Environmental Protection Technology Co.,Ltd. Address before: Room 605, 6 / F, block B, Zhonggang international, one side of Wenjing Road, economic development zone, Xi'an City, Shaanxi Province, 710000 Patentee before: SHAANXI YUTENG INDUSTRY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 710018 room 604, floor 6, Zhonggang International Building B, Wenjing Road, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee after: Shaanxi Yuteng energy and Environmental Protection Technology Co.,Ltd. Address before: Room 605, 6 / F, block B, Zhonggang international, one side of Wenjing Road, economic development zone, Xi'an City, Shaanxi Province, 710000 Patentee before: Shaanxi Yuteng energy and Environmental Protection Technology Co.,Ltd. |