CN103512017B - A kind of Screen-type evaporator of Isa furnace - Google Patents
A kind of Screen-type evaporator of Isa furnace Download PDFInfo
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- CN103512017B CN103512017B CN201310441401.6A CN201310441401A CN103512017B CN 103512017 B CN103512017 B CN 103512017B CN 201310441401 A CN201310441401 A CN 201310441401A CN 103512017 B CN103512017 B CN 103512017B
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- extended surface
- surface tube
- tube group
- rapping apparatus
- screen
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Abstract
The present invention relates to a kind of Screen-type evaporator of Isa furnace, comprise import header, outlet header and extended surface tube group, the entrance point of described extended surface tube group is connected with described import header, and the port of export of described extended surface tube group is connected with described outlet header; The two ends up and down of described extended surface tube group to be connected with lower connection pipe respectively by top tube connector often props up extended surface tube; The upper end of described extended surface tube group is provided with rapping apparatus, and described rapping apparatus connects heating surface by rapping apparatus and connects described top tube connector and described extended surface tube.Screen-type evaporator of Isa furnace of the present invention adopts extended surface tube structure, and arranges mechanical shaking device, avoids slagging scorification dust stratification, alleviates environmental pollution.
Description
Technical field
The present invention relates to the heat-exchange system of heat energy in a kind of Isa furnace recovered flue gas, particularly relate to a kind of Screen-type evaporator of Isa furnace.
Background technology
At Screen-type evaporator of Isa furnace position, flue-gas temperature temperature is very high, and typical temperature reaches more than 1200 DEG C.In order to absorb the radiant heat of flue gas further, reduce the floor space of boiler, screen formula evaporimeter arises at the historic moment.
Manufacturer at home, the former precedent of not shielding formula evaporimeter and using, but along with the development in epoch, the domestic minority producer screen formula evaporimeter that utilized foreign technology to copy, the light pipe screen formula evaporimeter of solid matter is brought into use.But although this structure is more advanced, in Isa furnace, the easy slagging scorification dust stratification of this structure, lime-ash not only reduces the heat-transfer effect of heating surface, corroding metal, and its ash content still causes the root of environmental pollution.
Summary of the invention
The object of the invention is for above-mentioned the deficiencies in the prior art, a kind of Screen-type evaporator of Isa furnace that can prevent slagging scorification dust stratification is provided.
For achieving the above object, the technical solution used in the present invention is as follows.
A kind of Screen-type evaporator of Isa furnace, comprise import header, outlet header and extended surface tube group, the entrance point of described extended surface tube group is connected with described import header, and the port of export of described extended surface tube group is connected with described outlet header; The two ends up and down of described extended surface tube group to be connected with lower connection pipe respectively by top tube connector often props up extended surface tube; The upper end of described extended surface tube group is provided with rapping apparatus, and described rapping apparatus connects heating surface by rapping apparatus and connects described top tube connector and described extended surface tube.
Further, described rapping apparatus connection heating surface and described extended surface tube are welded to connect.
Further, the top of described extended surface tube group is provided with sunroof seals cover.
Further, described rapping apparatus is arranged on described sunroof seals cover.
The invention has the beneficial effects as follows: Screen-type evaporator of Isa furnace of the present invention adopts extended surface tube structure, and arranges mechanical shaking device, avoids slagging scorification dust stratification, alleviates environmental pollution.
Accompanying drawing explanation
Fig. 1 is the structural representation of Screen-type evaporator of Isa furnace of the present invention.
Fig. 2 is the partial enlarged drawing of S part in Fig. 1.
In figure, 1-import header, 2-top tube connector, 3-sunroof seals cover, 4-rapping apparatus connects heating surface, 5-rapping apparatus, 6-outlet header, 7-extended surface tube group, 8-lower connection pipe.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Screen-type evaporator of Isa furnace of the present invention as shown in Figure 1, comprises import header 1, outlet header 6 and extended surface tube group 7, and the entrance point of extended surface tube group 7 is connected with import header 1, and the port of export of extended surface tube group 7 is connected with outlet header 6; The two ends up and down of extended surface tube group 7 to be connected with lower connection pipe 8 respectively by top tube connector 2 often props up extended surface tube; The top of extended surface tube group 7 is provided with sunroof seals cover 3, and the effect of sunroof seals cover 3 is that flue gas and air are separated; The upper end of extended surface tube group 7 is provided with rapping apparatus 5, and rapping apparatus 5 is arranged on described sunroof seals cover 3, and rapping apparatus 7 connects heating surface 4 by rapping apparatus and connects top tube connector 2 and extended surface tube.As preferably, rapping apparatus connects heating surface 4 and is welded to connect with extended surface tube.
Fig. 2 is the partial enlarged drawing of S part in Fig. 1, and as shown in Figure 2, connected between extended surface tube by fin, fin is positioned at the both sides of extended surface tube.
Recirculated water is entered by import header 1, is connected heating surface 4 heat exchange by top tube connector 2, lower connection pipe 8, extended surface tube group 7 with rapping apparatus, completes the laggard inlet/outlet header 6 of heat exchange.When there being slagging scorification dust stratification, be connected with extended surface tube bond pads because rapping apparatus connects heating surface, what equal rapping is extended surface tube group, is naturally shed to bottom ash handling equipment during slagging scorification dust stratification,
The foregoing is only preferred embodiment of the present invention, be not used for limiting practical range of the present invention; If do not depart from the spirit and scope of the present invention, the present invention is modified or equivalent to replace, in the middle of the protection domain that all should be encompassed in the claims in the present invention.
Claims (2)
1. a Screen-type evaporator of Isa furnace, comprises import header and outlet header, it is characterized in that: also comprise extended surface tube group,
The entrance point of described extended surface tube group is connected with described import header, and the port of export of described extended surface tube group is connected with described outlet header;
The two ends up and down of described extended surface tube group to be connected with lower connection pipe respectively by top tube connector often props up extended surface tube;
The upper end of described extended surface tube group is provided with rapping apparatus, and described rapping apparatus connects heating surface by rapping apparatus and connects described top tube connector and described extended surface tube;
Connected by fin between extended surface tube, fin is positioned at the both sides of extended surface tube;
Recirculated water is entered by import header, is connected heating surface heat exchange by top tube connector, lower connection pipe, extended surface tube group with rapping apparatus, completes the laggard inlet/outlet header of heat exchange;
The top of described extended surface tube group is provided with sunroof seals cover;
Described rapping apparatus is arranged on described sunroof seals cover.
2. Screen-type evaporator of Isa furnace according to claim 1, is characterized in that: described rapping apparatus connects heating surface and described extended surface tube is welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310441401.6A CN103512017B (en) | 2013-09-25 | 2013-09-25 | A kind of Screen-type evaporator of Isa furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310441401.6A CN103512017B (en) | 2013-09-25 | 2013-09-25 | A kind of Screen-type evaporator of Isa furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103512017A CN103512017A (en) | 2014-01-15 |
| CN103512017B true CN103512017B (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310441401.6A Active CN103512017B (en) | 2013-09-25 | 2013-09-25 | A kind of Screen-type evaporator of Isa furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN103512017B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152115B (en) * | 2015-04-23 | 2018-07-10 | 中国科学院工程热物理研究所 | Curtain wall and the boiler hearth of circulating fluidized bed with curtain wall |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1586480A (en) * | 1976-12-23 | 1981-03-18 | Gen Atomic Co | Tube bundle assembly for a heat exchanger |
| CN201266026Y (en) * | 2008-07-23 | 2009-07-01 | 上海宁松热能环境工程有限公司 | Modular finned tube heat exchanger |
| CN201386997Y (en) * | 2009-04-03 | 2010-01-20 | 中江能源回收(上海)有限公司 | Forced circulation type waste heat boiler of cement kiln |
| CN201475968U (en) * | 2009-08-28 | 2010-05-19 | 莱芜钢铁股份有限公司 | Rotary furnace zincum-containing dust recovery system horizontal exhaust-heat boiler |
| CN203489231U (en) * | 2013-09-25 | 2014-03-19 | 欧萨斯能源环境设备(南京)有限公司 | Isa furnace screen type evaporator |
-
2013
- 2013-09-25 CN CN201310441401.6A patent/CN103512017B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1586480A (en) * | 1976-12-23 | 1981-03-18 | Gen Atomic Co | Tube bundle assembly for a heat exchanger |
| CN201266026Y (en) * | 2008-07-23 | 2009-07-01 | 上海宁松热能环境工程有限公司 | Modular finned tube heat exchanger |
| CN201386997Y (en) * | 2009-04-03 | 2010-01-20 | 中江能源回收(上海)有限公司 | Forced circulation type waste heat boiler of cement kiln |
| CN201475968U (en) * | 2009-08-28 | 2010-05-19 | 莱芜钢铁股份有限公司 | Rotary furnace zincum-containing dust recovery system horizontal exhaust-heat boiler |
| CN203489231U (en) * | 2013-09-25 | 2014-03-19 | 欧萨斯能源环境设备(南京)有限公司 | Isa furnace screen type evaporator |
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| Publication number | Publication date |
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| CN103512017A (en) | 2014-01-15 |
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