CN203454866U - Novel heat transfer device for slag washing water of blast furnace - Google Patents
Novel heat transfer device for slag washing water of blast furnace Download PDFInfo
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- CN203454866U CN203454866U CN201320565354.1U CN201320565354U CN203454866U CN 203454866 U CN203454866 U CN 203454866U CN 201320565354 U CN201320565354 U CN 201320565354U CN 203454866 U CN203454866 U CN 203454866U
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Abstract
The utility model discloses a novel heat transfer device of slag washing water of a blast furnace. The novel heat transfer device comprises a shell-shaped heat transfer chamber, a tubular water inlet-outlet connecting piece, a plug, a clapboard, a clean water inlet, a clean water outlet, more than two heat transfer tubes, a slag washing water inlet and a slag washing water outlet, wherein one end of the heat transfer chamber is provided with an opening, one end of the water inlet-outlet connecting piece is in sealing connection with one end, with the opening, of the heat transfer chamber through a flange, the plug is installed at the other end of the water inlet-outlet connecting piece and is used for plugging an inner space formed by the heat transfer chamber and the water inlet-outlet connecting piece, the clapboard is used for dividing the inner space formed by the heat transfer chamber and the water inlet-outlet connecting piece into two parallel water channels and communicates one ends, far away from the plug, of the two water channels, the clean water inlet and the clean water outlet are formed in the water inlet-outlet connecting piece and are respectively communicated with the two water channels, the more than two heat transfer tubes are arranged in the heat transfer chamber and are respectively parallel to the clapboard in the two water channels, and the slag washing water inlet and the slag washing water outlet are formed in the heat transfer chamber and are respectively communicated with two ends of the heat transfer tubes. By adopting the arrangement, the novel heat transfer device improves the heat transfer efficiency and is convenient to overhaul, and the heat transfer tubes are relatively difficult to scale internally.
Description
Technical field
The utility model relates to UTILIZATION OF VESIDUAL HEAT IN field, specifically, relates to a kind of novel blast-furnace and rushes heat exchanging apparatus for slag water.
Background technology
Blast furnace slag flushing pond is least significant end technique in smelting process, the high temperature furnace slag of a large amount of 1000 ℃ ~ 1500 ℃ producing after blast furnace ironmaking, and high temperature furnace slag is by flushing cinder water cooling, can produce large amount temperature at the hot water of 70 ℃-85 ℃ in this process.Research shows that flushing cinder coolant-temperature gage is lower, and the activity of cement that its slag is made is higher.Therefore, in current production technology, cooling effect to slag when guaranteeing flushing cinder water circulation use, this part flushing cinder water need to be introduced to cooling tower after sedimentation and filtration, cool to 50 ℃ of flushing cinders that again circulate below, or carry out continuing to recycle after nature cooling, a large amount of heats are wasted, and environment have been caused to thermal pollution simultaneously.On the one hand, thermal pollution meeting causes the variation of global climate, to Global Ecological, brings not expected impact; On the other hand, directly to environment heat extraction, can make local ecology change.And aspect minimizing thermal pollution, utilizing used heat is the high effective way that reduces thermal pollution.
China is iron and steel output big country in the world, according to relevant expert, analyzes, and along with the arrival in heavy industrialization epoch, the iron and steel output of China will reach hayday in the coming years, and can be continued until 2020.In so huge national column support type industry, each little Energy-saving reformation all can produce huge overall efficiency.
Utilize flushing cinder water to reduce the waste heat of temperature, need to heat be exchanged for out by heat exchanger, be applied at present flushing cinder heat exchanger waterborne and mainly contain spiral heat exchanger, plate type heat exchanger, shell-and-tube heat exchanger etc., all there is shortcoming separately in these heat exchangers, is difficult to meet that flushing cinder coolant-temperature gage is low, flow large, complicated component, the easy feature of fouling in heat transmission equipment.
Utility model content
The purpose of this utility model is to provide a kind of novel blast-furnace to rush heat exchanging apparatus for slag water, solves the easy fouling obstruction of heat exchanger, the perishable seepage of heat exchanger tube in prior art, heat exchange efficiency is not high enough and overhaul inconvenient problem.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Novel blast-furnace rushes heat exchanging apparatus for slag water, comprise that one end has opening and is the Heat Room of housing shape, one end that one end and Heat Room have an opening is connected and is the Inlet and outlet water connector of pipe fitting shape by flange seal, be installed on the Inlet and outlet water connector other end by the plug of the inner space sealing of Heat Room and Inlet and outlet water connector formation, the inner space of Heat Room and Inlet and outlet water connector formation is divided into two parallel water stream channels and makes two water stream channels away from the dividing plate of one end connection of plug, be arranged at the clean water entrance and the clean water outlet that on Inlet and outlet water connector, are communicated with two water stream channels respectively, be positioned at Heat Room and be all parallel to dividing plate at two water stream channels and be provided with plural heat exchanger tube, and the flushing cinder water inlet and the flushing cinder water out that are arranged on Heat Room and are communicated with heat exchanger tube two ends respectively.
Further, described flushing cinder water inlet is positioned on Heat Room the one end away from plug, and this flushing cinder water inlet is communicated with all heat exchanger tubes two water stream channel connectivity parts by pipeline.
Further, described flushing cinder water out has two, respectively with two water stream channels in all heat exchanger tubes of arranging separately pass through pipeline communication.
As a kind of preferred, the heat exchanger tube quantity that arrange in two described water stream channels equate.
As a kind of preferred, the heat exchanger tube quantity in the water stream channel being communicated with clean water entrance is more than the heat exchanger tube quantity in the water stream channel being communicated with clean water outlet.
In order to realize better the utility model, described heat exchanger tube is double helix elliptical tube.
Specifically, the cross section of described double helix elliptical tube is superimposed with its central point and has two ellipticities of differential seat angle.Wherein, described differential seat angle is 5 ° ~ 20 °, and oval major axis is 3:1 ~ 8:1 with minor axis length ratio.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model makes it form water stream channel by dividing plate being set in the inner space in Heat Room and Inlet and outlet water connector formation, effectively extended the time that clean water stops in Heat Room, thereby increased heat-exchange time, abundant and flushing cinder water carries out heat exchange, and then greatly improved the efficiency of heat exchange, there is substantive distinguishing features and progress, and the utility model is simple in structure, designs ingenious, with low cost, safe and reliable, there is market application foreground widely, be applicable to applying.
(2) the utility model is arranged at flushing cinder water inlet at the connection end of two water stream channels, only needs an entrance just can realize water inlet, has saved the quantity of flushing cinder water inlet, guarantees the closure of heat exchange chamber structure.
(3) the utility model can arrange the heat exchanger tube of equal number in two water stream channels, guarantees the uniformity of heat exchange, also can in the water stream channel of water inlet, more heat exchanger tube be set, and improves the efficiency of heat exchange.
(4) in the utility model, heat exchanger tube adopts double helix elliptical tube, and in pipe, the helical flow of flushing cinder water has improved its turbulent extent, thereby has strengthened intraductal heat transfer, has greatly improved heat exchange efficiency; Simultaneously, several double helix elliptical tubes parallel arranged in water stream channel, makes runner between it also in the shape of a spiral, periodic variation speed and direction when clean water flows betwixt, effectively strengthened longitudinal mixing and the heat exchange of clean water, further improved around efficiency.
(5) design of heat exchanger tube employing double helix elliptical tube in the utility model, its inner chamber is also corresponding shape, and flushing cinder water also can constantly be changed the direction of a stream of water within it, its inwall is played to the effect of effectively washing away tube wall, makes in heat exchanger tube less scaling.
(6) the utility model adopts flange to connect between Heat Room and Inlet and outlet water connector, very convenient dismounting and maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of heat exchanger tube in the utility model.
Fig. 3 is the schematic cross-section of heat exchanger tube in the utility model.
In above-mentioned accompanying drawing, the component names that Reference numeral is corresponding is as follows:
1-Heat Room, 2-heat exchanger tube, 3-dividing plate, 4-flushing cinder water inlet, 5-flushing cinder water out, 6-flange, 7-plug, 8-clean water entrance, the outlet of 9-clean water, 10-imports and exports connector.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1 to Figure 3, this novel blast-furnace rushes heat exchanging apparatus for slag water, comprise that one end has opening and is the Heat Room 1 of housing shape, one end that one end and Heat Room have an opening is tightly connected by flange 6 and is the Inlet and outlet water connector 10 of pipe fitting shape, be installed on the Inlet and outlet water connector other end by the plug 7 of the inner space sealing of Heat Room and Inlet and outlet water connector formation, the inner space of Heat Room and Inlet and outlet water connector formation is divided into two parallel water stream channels and makes two water stream channels away from the dividing plate 3 of one end connection of plug, be arranged at the clean water entrance 8 and the clean water outlet 9 that on Inlet and outlet water connector, are communicated with two water stream channels respectively, be positioned at Heat Room and be all parallel to dividing plate at two water stream channels and be provided with plural heat exchanger tube 2, and the flushing cinder water inlet 4 and the flushing cinder water out 5 that are arranged on Heat Room and are communicated with heat exchanger tube two ends respectively.
Wherein, flushing cinder water inlet is positioned on Heat Room the one end away from plug, and this flushing cinder water inlet is communicated with all heat exchanger tubes two water stream channel connectivity parts by pipeline.And flushing cinder water out has two, respectively with two water stream channels in all heat exchanger tubes of arranging separately pass through pipeline communication.
As a kind of preferred, the heat exchanger tube quantity that arrange in two described water stream channels equate.
As a kind of preferred, the heat exchanger tube quantity in the water stream channel being communicated with clean water entrance is more than the heat exchanger tube quantity in the water stream channel being communicated with clean water outlet.
In order to realize better the utility model, described heat exchanger tube is double helix elliptical tube.Specifically, the cross section of described double helix elliptical tube is superimposed with its central point and has two ellipticities of differential seat angle.Wherein, described differential seat angle is 5 ° ~ 20 °, and oval major axis is 3:1 ~ 8:1 with minor axis length ratio.Design due to heat exchanger tube employing double helix elliptical tube, has good mobility and heat exchange property, utilizes the continuous variation of clean water water (flow) direction in pipeline, when mobile, also can effectively to tube wall, wash away, and makes in heat exchanger tube less scaling.And several double helix elliptical tubes parallel arranged in water stream channel, make runner between it also in the shape of a spiral, when clean water flows betwixt, periodic variation speed and direction, strengthened longitudinal mixing and the heat exchange of clean water effectively.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
According to above-described embodiment, just can realize well the utility model.What deserves to be explained is; under prerequisite based on said structure design; for solving same technical problem; even if some that make on the utility model are without substantial change or polishing; the essence of the technical scheme adopting is still consistent with the utility model, also should be in protection domain of the present utility model.
Claims (8)
1. novel blast-furnace rushes heat exchanging apparatus for slag water, it is characterized in that, comprise that one end has opening and is the Heat Room (1) of housing shape, one end that one end and Heat Room (1) have an opening is tightly connected by flange (6) and is the Inlet and outlet water connector (10) of pipe fitting shape, be installed on Inlet and outlet water connector (10) other end by the plug (7) of the inner space sealing of Heat Room (1) and Inlet and outlet water connector (10) formation, the inner space of Heat Room (1) and Inlet and outlet water connector (10) formation is divided into two parallel water stream channels and makes two water stream channels away from the dividing plate (3) of one end connection of plug (7), be arranged at the clean water entrance (8) and the clean water outlet (9) that on Inlet and outlet water connector (10), are communicated with two water stream channels respectively, be positioned at Heat Room (1) and be all parallel to dividing plate (3) at two water stream channels and be provided with plural heat exchanger tube (2), and be arranged on Heat Room (1) and the flushing cinder water inlet (4) and the flushing cinder water out (5) that are communicated with heat exchanger tube (2) two ends respectively.
2. novel blast-furnace according to claim 1 rushes heat exchanging apparatus for slag water, it is characterized in that, described flushing cinder water inlet (4) is positioned at the upper one end away from plug (7) of Heat Room (1), and this flushing cinder water inlet (4) is communicated with all heat exchanger tubes (2) two water stream channel connectivity parts by pipeline.
3. novel blast-furnace according to claim 2 rushes heat exchanging apparatus for slag water, it is characterized in that, described flushing cinder water out (5) has two, respectively with two water stream channels in all heat exchanger tubes (2) of arranging separately pass through pipeline communication.
4. novel blast-furnace according to claim 3 rushes heat exchanging apparatus for slag water, it is characterized in that, heat exchanger tube (2) quantity arranging in two described water stream channels equates.
5. novel blast-furnace according to claim 3 rushes heat exchanging apparatus for slag water, it is characterized in that, heat exchanger tube (2) quantity in the water stream channel being communicated with clean water entrance (8) is more than heat exchanger tube (2) quantity in the water stream channel being communicated with clean water outlet (9).
6. according to the novel blast-furnace described in claim 1 ~ 5 any one, rush heat exchanging apparatus for slag water, it is characterized in that, described heat exchanger tube (2) is double helix elliptical tube.
7. novel blast-furnace according to claim 6 rushes heat exchanging apparatus for slag water, it is characterized in that, the cross section of described double helix elliptical tube is superimposed with its central point and has two ellipticities of differential seat angle.
8. novel blast-furnace according to claim 7 rushes heat exchanging apparatus for slag water, it is characterized in that, described differential seat angle is 5 ° ~ 20 °, and oval major axis is 3:1 ~ 8:1 with minor axis length ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320565354.1U CN203454866U (en) | 2013-09-12 | 2013-09-12 | Novel heat transfer device for slag washing water of blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320565354.1U CN203454866U (en) | 2013-09-12 | 2013-09-12 | Novel heat transfer device for slag washing water of blast furnace |
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| Publication Number | Publication Date |
|---|---|
| CN203454866U true CN203454866U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320565354.1U Expired - Lifetime CN203454866U (en) | 2013-09-12 | 2013-09-12 | Novel heat transfer device for slag washing water of blast furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920564A (en) * | 2019-03-08 | 2019-06-21 | 华北电力大学 | A kind of overcritical double helix natural cycle system and method |
-
2013
- 2013-09-12 CN CN201320565354.1U patent/CN203454866U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920564A (en) * | 2019-03-08 | 2019-06-21 | 华北电力大学 | A kind of overcritical double helix natural cycle system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
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| CX01 | Expiry of patent term |