CN104034186A - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
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- CN104034186A CN104034186A CN201410289059.7A CN201410289059A CN104034186A CN 104034186 A CN104034186 A CN 104034186A CN 201410289059 A CN201410289059 A CN 201410289059A CN 104034186 A CN104034186 A CN 104034186A
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- heat
- heat exchanger
- heat exchange
- doctor assemblies
- exchange unit
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Abstract
The invention provides a heat exchanger which comprises a shell, heat exchange units, a scraper assembly and a driving portion. A heat exchange cavity is enclosed by the shell; the heat exchange units are arranged in the heat exchange cavity; the scraper assembly is arranged in the heat exchange cavity; the driving portion can drive the scraper assembly to scrape ash on the heat exchange units. The heat exchanger has the advantages that the scraper assembly can be driven by the driving portion to scrape the ash on the heat exchange units, accordingly, blockage of the heat exchanger due to accumulation of the ash in the heat exchange cavity can be prevented, and heat exchange effects of the heat exchanger can be effectively improved.
Description
Technical field
The present invention relates to coal water slurry gasification technical field, more specifically, relate to a kind of heat exchanger.
Background technology
In existing Texaco chilling technology technology, lime-ash is often bonded in for reclaiming on the heat exchanger of heat and accumulation gradually, not only causes heat exchange efficiency low, and stops up the decline passway of whole process gas and lime-ash, cause the gasification furnace in Texaco's chilling technology to stop, cause economic loss.People conventionally adopt the method for nitrogen blowing to blow down and are bonded in the lime-ash on heat exchanger, its poor effect.
Summary of the invention
The present invention aims to provide a kind of heat exchanger, the problem of easily being blocked by lime-ash with the heat exchanger solving in prior art kind.
For solving the problems of the technologies described above, the invention provides a kind of heat exchanger, this heat exchanger comprises: housing, encloses formation heat exchanging chamber; Heat exchange unit, is arranged in heat exchanging chamber; Doctor assemblies, is arranged in heat exchanging chamber; Drive division, drives doctor assemblies to scrape the lime-ash on heat exchange unit.
Further, heat exchange unit is a plurality of, and each heat exchange unit includes heat-transfer surface, and doctor assemblies is a plurality of, a plurality of doctor assemblies and a plurality of heat-transfer surface arrange correspondingly, and drive division drives doctor assemblies to move to scrape the lime-ash on heat-transfer surface in the close region of heat-transfer surface.
Further, a plurality of heat exchange units side by side and interval arrange, and the heat-transfer surface of adjacent two heat exchange units is relative.
Further, drive division comprises drive motors, and the main shaft of drive motors is through a plurality of heat exchange units, and doctor assemblies is fixedly installed on main shaft.
Further, doctor assemblies comprises many scraper, many scraper is circumferentially evenly arranged along the same of main shaft, and many scraper is connected with main shaft.
Further, heat exchange unit also comprises: polylith heat exchanger plates, and polylith heat exchanger plates is enclosed to form cuboid installing space; Heat exchanger tube, is arranged in cuboid installing space.
Further, heat exchanger tube is wavy and is arranged in installing space, and the outside of housing is stretched out at the two ends of heat exchanger tube.
Further, on housing, be provided with syngas outlet and entrance, and outlet and entrance are oppositely arranged.
Further, heat-transfer surface is parallel to the axis of outlet and entrance.
Further, drive motors is arranged on the outside of housing, and the middle part of each heat exchange unit is provided with installing hole, and main shaft stretches in heat exchanging chamber and runs through each installing hole.
Further, the position that main shaft contacts with housing is provided with seal.
Apply technical scheme of the present invention, heat exchanger comprises housing, heat exchange unit, doctor assemblies and drive division, and wherein, housing encloses formation heat exchanging chamber; Heat exchange unit and doctor assemblies are all arranged in heat exchanging chamber; Drive division drives doctor assemblies to scrape the lime-ash on heat exchange unit.According to heat exchanger of the present invention, under the driving of drive division, doctor assemblies can scrape the lime-ash on heat exchange unit, avoids lime-ash to be deposited in heat exchanging chamber and causes the obstruction of heat exchanger, has effectively improved the heat transfer effect of heat exchanger.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 has schematically shown heat exchanger of the present invention and has removed the top view after part shell;
The left view when doctor assemblies that Fig. 2 has schematically shown heat exchanger of the present invention is arranged on main shaft; And
Fig. 3 has schematically shown the front view of the heat exchange unit of heat exchanger of the present invention.
Description of reference numerals:
10, housing; 11, heat exchanging chamber; 12, outlet; 13, entrance; 20, heat exchange unit; 21, heat-transfer surface; 22, heat exchanger plates; 23, heat exchanger tube; 24, installing hole; 30, doctor assemblies; 31, scraper; 40, drive division; 41, drive motors; 42, main shaft; 50, seal.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
In conjunction with shown in Fig. 1 to Fig. 3, according to embodiments of the invention, heat exchanger comprises: housing 10, heat exchange unit 20, doctor assemblies 30 and drive division 40, and wherein, housing 10 encloses and forms heat exchanging chamber 11; Heat exchange unit 20 and doctor assemblies 30 are all arranged in heat exchanging chamber 11; Drive division 40 drives doctor assemblies 30 to scrape the lime-ash on heat exchange unit 20.According to embodiments of the invention, under the driving of drive division 40, doctor assemblies 30 can scrape the lime-ash on heat exchange unit 20, avoids lime-ash to be deposited in heat exchanging chamber 11 and causes the obstruction of heat exchanger, has effectively improved the heat transfer effect of heat exchanger.
Preferably, heat exchange unit 20 is a plurality of, can effectively improve the heat transfer effect of heat exchanger.In other embodiments, heat exchange unit 20 can be also one.According to the present embodiment, each heat exchange unit 20 includes heat-transfer surface 21, doctor assemblies 30 is a plurality of, a plurality of doctor assemblies 30 arrange correspondingly with a plurality of heat-transfer surfaces 21, under the driving of drive division 40, doctor assemblies 30 is moving near in the region of heat-transfer surface 21, by the lime-ash scraping on heat-transfer surface 21.
Preferably, a plurality of heat exchange units 20 side by side and interval arrange, and keep the heat-transfer surface 21 of adjacent two heat exchange units 20 relative.Specifically, each heat exchange unit 20 includes two heat-transfer surfaces 21, when a plurality of heat exchange units 20 are spaced side by side, between two relative heat-transfer surfaces 21, forms gap, and the fluid in the gap of flowing through is carried out to heat exchange processing.In the present embodiment, a plurality of heat exchange units 20 form many heat exchange gaps, after fluid enters heat exchanger, are divided into multiply and enter gap, have effectively improved the heat exchange efficiency of heat exchanger.
Preferably, drive division 40 comprises drive motors 41, the main shaft 42 of drive motors 41 is through a plurality of heat exchange units 20, doctor assemblies 30 is fixedly installed on main shaft 42, in the process of heat exchanger work, when drive motors 41 rotates, can drive on the one hand the doctor assemblies 30 being arranged on main shaft 42 to rotate, thereby scrape the lime-ash on heat exchange unit 20, on the other hand, the motion of doctor assemblies 30 can change the movement locus of the lime-ash in heat exchanging chamber 11, makes the motion of lime-ash in space become more active, and then prevents the deposition of lime-ash.
In the present embodiment, doctor assemblies 30 comprises many scraper 31, many scraper 31 is circumferentially evenly arranged along the same of main shaft 42, and a plurality of scrapers 31 are all perpendicular to main shaft 42, in the time of main shaft 42 rotation, many scraper 31 can, near moving in the region of heat-transfer surface 21, be scraped to the lime-ash on heat-transfer surface 21, and effectively improve the rate that scrapes of lime-ash.
Preferably, drive motors 41 is arranged on the outside of housing 10, convenient operation and control.The middle part of each heat exchange unit 20 is provided with installing hole 24, the main shaft 42 of drive motors 41 stretches in heat exchanging chamber 11 and runs through each installing hole 24, now, with a drive motors 41, just can drive a plurality of doctor assemblies 30, greatly save the manufacturing cost of heat exchanger.More preferably, the main shaft 42 of drive motors 41 is provided with seal 50 with the contact position place of housing 10, prevents that main shaft 42 from producing and revealing in the position contacting with housing 10.
Preferably, heat exchange unit 20 also comprises polylith heat exchanger plates 22 and heat exchanger tube 23, and polylith heat exchanger plates 22 is enclosed to form cuboid installing space; Heat exchanger tube 23 is arranged in installing space.According to the present embodiment, heat exchanger tube 23 is arranged in the installing space that polylith heat exchanger plates 22 is enclosed to form, and increases the heat exchange area of heat exchange unit 20, improves the heat transfer effect of whole heat exchanger, and is convenient to install.More preferably, heat exchanger tube 23 is wavy and is arranged in installing space, has increased the length of heat exchanger tube 23, thereby has increased the cooling medium in heat exchange unit 20, further improves the heat transfer effect of heat exchanger.In the present embodiment, the two ends of heat exchanger tube 23 are stretched out heat transfer space and are arrived the outside of housing 10, are convenient to cooling medium be sent into or got rid of the heat exchanging chamber 11 of heat exchanger.
According to embodiments of the invention, on housing 10, be provided with syngas outlet 12 and entrance 13, and outlet 12 and entrance 13 be oppositely arranged, make the lime-ash being scraped by doctor assemblies 30 can follow the fluid heat exchanging chamber 11 of outflow heat exchanger together.Export in other embodiments 12 with entrance 13 can be not relative yet, as long as guarantee that fluid and lime-ash in heat exchanging chamber 11 can be excluded heat exchanging chamber 11.
Preferably, heat-transfer surface 21 is parallel to the axis of outlet 12 and entrance 13, also be that gap between adjacent two heat exchange units 20 is parallel to the line between outlet 12 and entrance 13, the lime-ash that further assurance is scraped by doctor assemblies 30 can be followed the heat exchanging chamber 11 of being discharged together heat exchanger by the fluid of heat exchange swimmingly, prevents that lime-ash is again deposited on the outer surface of heat exchange unit 20 when walking around heat exchange unit 20.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
(1) doctor assemblies can scrape the lime-ash on heat exchange unit, avoids lime-ash to pile up and causes the obstruction of heat exchanger, has effectively improved the heat transfer effect of heat exchanger;
(2) when drive motors rotates, can drive on the one hand the doctor assemblies being arranged on main shaft to rotate, thereby scrape the lime-ash on heat exchange unit, on the other hand, the motion of doctor assemblies can change the movement locus of the lime-ash in heat exchanging chamber, the motion of lime-ash in heat exchanging chamber come to life, and then avoid the deposition of lime-ash;
(3) between two adjacent heat exchange units, form a heat exchange gap, a plurality of heat exchange units form many heat exchange gaps, after fluid enters heat exchanger, are divided into multiply and enter gap, have effectively improved the heat exchange efficiency of heat exchanger;
(4) gap between two adjacent heat exchange units is parallel to the line between outlet and entrance, the lime-ash that further assurance is scraped by doctor assemblies can be followed the heat exchanging chamber of being discharged together heat exchanger by the fluid of heat exchange swimmingly, prevents that lime-ash is again deposited on the outer surface of heat exchange unit when walking around heat exchange unit.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. a heat exchanger, is characterized in that, comprising:
Housing (10), encloses and forms heat exchanging chamber (11);
Heat exchange unit (20), is arranged in described heat exchanging chamber (11);
Doctor assemblies (30), is arranged in described heat exchanging chamber (11);
Drive division (40), drives described doctor assemblies (30) to scrape the lime-ash on described heat exchange unit (20).
2. heat exchanger according to claim 1, it is characterized in that, described heat exchange unit (20) is a plurality of, heat exchange unit described in each (20) includes heat-transfer surface (21), described doctor assemblies (30) is a plurality of, described a plurality of doctor assemblies (30) arranges correspondingly with described a plurality of heat-transfer surfaces (21), and described drive division (40) drives described doctor assemblies (30) to move to scrape the lime-ash on described heat-transfer surface (21) in the close region of described heat-transfer surface (21).
3. heat exchanger according to claim 2, is characterized in that, described a plurality of heat exchange units (20) side by side and interval arrange, and the described heat-transfer surface (21) of adjacent two described heat exchange units (20) is relative.
4. heat exchanger according to claim 2, it is characterized in that, described drive division (40) comprises drive motors (41), the main shaft (42) of described drive motors (41) is through described a plurality of heat exchange units (20), and described doctor assemblies (30) is fixedly installed on described main shaft (42).
5. heat exchanger according to claim 4, it is characterized in that, described doctor assemblies (30) comprises many scraper (31), described many same being circumferentially evenly arranged along described main shaft (42) scraper (31), and described many scraper (31) is connected with described main shaft (42).
6. heat exchanger according to claim 1, is characterized in that, described heat exchange unit (20) also comprises:
Polylith heat exchanger plates (22), described polylith heat exchanger plates (22) is enclosed to form cuboid installing space;
Heat exchanger tube (23), is arranged in described cuboid installing space.
7. heat exchanger according to claim 6, is characterized in that, described heat exchanger tube (23) is wavy and is arranged in described installing space, and the outside of described housing (10) is stretched out at the two ends of described heat exchanger tube (23).
8. heat exchanger according to claim 2, is characterized in that, is provided with syngas outlet (12) and entrance (13) on described housing (10), and described outlet (12) and described entrance (13) are oppositely arranged.
9. heat exchanger according to claim 8, is characterized in that, described heat-transfer surface (21) is parallel to the axis of described outlet (12) and described entrance (13).
10. heat exchanger according to claim 4, it is characterized in that, described drive motors (41) is arranged on the outside of described housing (10), the middle part of heat exchange unit described in each (20) is provided with installing hole (24), and described main shaft (42) stretches in described heat exchanging chamber (11) and runs through installing hole (24) described in each.
11. heat exchangers according to claim 10, is characterized in that, the position that described main shaft (42) contacts with described housing (10) is provided with seal (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289059.7A CN104034186A (en) | 2014-06-24 | 2014-06-24 | Heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289059.7A CN104034186A (en) | 2014-06-24 | 2014-06-24 | Heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104034186A true CN104034186A (en) | 2014-09-10 |
Family
ID=51465059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410289059.7A Pending CN104034186A (en) | 2014-06-24 | 2014-06-24 | Heat exchanger |
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| Country | Link |
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| CN (1) | CN104034186A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148429A (en) * | 1994-05-09 | 1997-04-23 | 克瓦纳尔工程有限公司 | Heat exchanger |
| WO1997018023A1 (en) * | 1995-11-14 | 1997-05-22 | Erik Jensen | Rotative heat transmission body for evaporating liquids or drying pumpable products |
| WO2001007846A1 (en) * | 1999-07-28 | 2001-02-01 | Iskerfi Hf | Ice machine |
| JP3873933B2 (en) * | 2003-06-10 | 2007-01-31 | 栗田工業株式会社 | Dioxin reduction method in incinerator |
| CN201166532Y (en) * | 2008-01-02 | 2008-12-17 | 陶建中 | Heat exchanger structure |
| EP2103892A2 (en) * | 2008-03-18 | 2009-09-23 | HRS Spiratube S.L. | Machine for heat exchange with a product |
| CN201520664U (en) * | 2009-08-28 | 2010-07-07 | 多元水环保技术产业(中国)有限公司 | Circulation cooling water descaling apparatus |
| CN202947150U (en) * | 2012-10-09 | 2013-05-22 | 上海誉福能源设备有限公司 | Smoke heat energy recovery heat exchanger |
| CN103528080A (en) * | 2013-10-25 | 2014-01-22 | 马鞍山马钢表面工程技术有限公司 | Dust collector of plate heat exchanger |
| CN203908366U (en) * | 2014-06-24 | 2014-10-29 | 中国神华能源股份有限公司 | Heat exchanger |
-
2014
- 2014-06-24 CN CN201410289059.7A patent/CN104034186A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148429A (en) * | 1994-05-09 | 1997-04-23 | 克瓦纳尔工程有限公司 | Heat exchanger |
| WO1997018023A1 (en) * | 1995-11-14 | 1997-05-22 | Erik Jensen | Rotative heat transmission body for evaporating liquids or drying pumpable products |
| WO2001007846A1 (en) * | 1999-07-28 | 2001-02-01 | Iskerfi Hf | Ice machine |
| JP3873933B2 (en) * | 2003-06-10 | 2007-01-31 | 栗田工業株式会社 | Dioxin reduction method in incinerator |
| CN201166532Y (en) * | 2008-01-02 | 2008-12-17 | 陶建中 | Heat exchanger structure |
| EP2103892A2 (en) * | 2008-03-18 | 2009-09-23 | HRS Spiratube S.L. | Machine for heat exchange with a product |
| CN201520664U (en) * | 2009-08-28 | 2010-07-07 | 多元水环保技术产业(中国)有限公司 | Circulation cooling water descaling apparatus |
| CN202947150U (en) * | 2012-10-09 | 2013-05-22 | 上海誉福能源设备有限公司 | Smoke heat energy recovery heat exchanger |
| CN103528080A (en) * | 2013-10-25 | 2014-01-22 | 马鞍山马钢表面工程技术有限公司 | Dust collector of plate heat exchanger |
| CN203908366U (en) * | 2014-06-24 | 2014-10-29 | 中国神华能源股份有限公司 | Heat exchanger |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20140910 |