CN104061810A - Waste heat recovery system - Google Patents
Waste heat recovery system Download PDFInfo
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- CN104061810A CN104061810A CN201410321781.4A CN201410321781A CN104061810A CN 104061810 A CN104061810 A CN 104061810A CN 201410321781 A CN201410321781 A CN 201410321781A CN 104061810 A CN104061810 A CN 104061810A
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- branch road
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Abstract
The invention relates to a waste heat recovery system. The waste heat recovery system comprises an ash heat exchanger and a plate heat exchanger, wherein the ash heat exchanger is used for conducting primary heat exchange, and the plate heat exchanger is used for conducting secondary heat exchange. The ash heat exchanger comprises an outer cylinder and an inner cylinder, wherein the outer cylinder and the inner cylinder are coaxially arranged, the outer cylinder can rotate around the axis, ash is contained in the outer cylinder, and a first liquid heat exchange medium used for exchanging heat with the ash is contained in the inner cylinder. The inner cylinder is provided with an inner cylinder inlet and an inner cylinder outlet. The inner cylinder outlet is connected with an inlet of a gas-liquid separator. One outlet of the gas-liquid separator is connected with an electric generator through a steam turbine. The other outlet of the gas-liquid separator is connected with the plate heat exchanger. The waste heat recovery system is simple in structure, capable of effectively using waste heat of the ash and high in utilization efficiency. Due to the fact that the ash heat exchanger comprises the outer cylinder and the inner cylinder which are coaxially arranged and the outer cylinder can rotate around the axis, the ash makes sufficient contact with the heat exchange medium in heat exchange fins in the inner cylinder, and the heat exchange efficiency is higher.
Description
Technical field
The present invention relates to heat recovery technology field, relate in particular to a kind of residual neat recovering system.
Background technology
Waste heat refers to the limitation of factors such as being subject to history, technology, theory, in the industrial enterprise's energy-dissipating device having put into operation, and the sensible heat that original design is not used appropriately and latent heat.In prior art, waste heat mainly comprises following several: high-temp waste gas waste heat, cooling medium waste heat, waste vapour waste water residual heat, high-temperature product and afterheat of slags, chemical reaction waste heat, combustible exhaust gas waste liquid and waste material waste heat etc.
Show according to investigation, the waste heat total resources of every profession and trade account for 17%-67% of its fuel consumption total amount, and the residual heat resources of recoverable are about 60% of waste heat total resources, therefore, will cause great waste if waste heat total resources are not utilized in process of production.
In prior art, a lot of boilers, the such as burning such as station boiler, Industrial Boiler use be colm mostly, thereby more than the grey quantity of slag of discharging and the temperature of lime-ash generally higher.Therefore, lime-ash carries a large amount of heats while discharge, if lime-ash is not processed, heat loss is very serious so.In order to address the above problem, a lot of factories adopt slag cooler to process lime-ash, to reduce heat loss, but use slag cooler to carry out heat exchange, conventionally use the water of industry water, rivers,lakes and seas or the condensation flow side through slag cooler, can only absorption portion heat, Btu utilization is abundant not.
Therefore, a kind of residual neat recovering system is needed in market badly, the heat in the lime-ash producing can be recycled efficiently in industrial production, increases substantially UTILIZATION OF VESIDUAL HEAT IN efficiency, reduces waste heat waste.
Summary of the invention
The object of the invention is to propose a kind of residual neat recovering system, to solve exist in prior art not high to lime-ash UTILIZATION OF VESIDUAL HEAT IN efficiency, the type of cooling is single, the inefficient problem of heat absorption.
For reaching this object, the present invention by the following technical solutions:
A kind of residual neat recovering system, comprises lime-ash heat exchanger for carrying out heat exchange successively and for carrying out the plate type heat exchanger of secondary heat exchange; Described lime-ash heat exchanger comprises urceolus and the inner core of coaxial setting, and described urceolus can rotate around axis, in described urceolus, lime-ash is housed, and the first liquid heat transferring medium for carrying out heat exchange with described lime-ash is housed in described inner core; Described inner core has inner core import and inner core outlet, described inner core outlet is connected with the import of gas-liquid separator, an outlet of described gas-liquid separator is connected with generator by the first outlet of steam turbine, and another outlet of described gas-liquid separator is connected with plate type heat exchanger.
Further, described plate type heat exchanger comprises the first branch road and the second branch road, and described the first branch road is for passing through for the first liquid heat transferring medium, and described the second branch road is for passing through for the second heat transferring medium; The flow direction of described the first liquid heat transferring medium is contrary with the flow direction of the second heat transferring medium.
Further, first of described the first branch road way outlet is connected with described inner core import by water circulating pump; Between described inner core import and first way outlet, be connected with supply entrance by pipeline, for passing into the first liquid heat transferring medium.
Further, second of described steam turbine the outlet is connected with the first branch road import; Described the first liquid heat transferring medium circulates between water circulating pump, inner core, gas-liquid separator, the first branch road.
Further, described the second branch road comprises the second branch road import and second way outlet; Between described the second branch road import and second way outlet, be provided with supply branch road and heating branch road.
Further, described supply branch road comprises condensate pump and the gas trap of series connection successively, and described supply branch road is for being delivered to described the second branch road by condensate water; Described gas trap is used for generating condensate water.
Further, described heating branch road comprises low-pressure heater and the oxygen-eliminating device of series connection successively.
Preferably, described plate type heat exchanger is full-welding plate-type heat exchanger; Pipeline in described the first branch road and the second branch road is formed by stainless steel substrates compacting, adopts the mode of laser argon arc welding to be welded to connect between described stainless steel substrates.
Preferably, the thickness of described stainless steel substrates is 0.5mm-1mm.
Preferably, the diameter of described pipeline is 4mm-10mm.
Beneficial effect of the present invention is: the residual neat recovering system in the present invention is simple in structure, can effectively utilize the waste heat of lime-ash, and utilization ratio is high.
The present invention carries out altogether twice heat exchange, and a heat exchange is carried out in lime-ash heat exchanger, and secondary heat exchange carries out in plate type heat exchanger, can make the waste heat of lime-ash be utilized more fully.Because lime-ash heat exchanger comprises urceolus and the inner core of coaxial setting, urceolus can rotate around axis, and therefore lime-ash contacts more fully with the heat transferring medium in inner core heat exchange fin, and heat exchange efficiency is higher.
Brief description of the drawings
Fig. 1 is the syndeton schematic diagram of the residual neat recovering system that provides of the specific embodiment of the invention.
In figure:
1, lime-ash entrance; 2, water circulating pump; 3, inner core import; 4, urceolus; 5, inner core; 6, heat exchange fin; 7, lime-ash outlet; 8, inner core outlet; 9, gas-liquid separator; 10, first way outlet; 11, the second branch road import; 12, plate type heat exchanger; 13, steam turbine; 14, generator; 15, condensate pump; 16, gas trap; 17, low-pressure heater; 18, oxygen-eliminating device; 19, supply entrance; 20, the first branch road import; 21, second way outlet.
Detailed description of the invention
Further illustrate technical scheme of the present invention below in conjunction with accompanying drawing and by detailed description of the invention.
As shown in Figure 1, be a kind of residual neat recovering system that the present invention proposes, comprise lime-ash heat exchanger for carrying out a heat exchange and for carrying out the plate type heat exchanger of secondary heat exchange.Wherein, lime-ash heat exchanger comprises urceolus 4 and the inner core 5 of coaxial setting, and urceolus 4 can rotate around axis, in urceolus 4, lime-ash is housed, and the first liquid heat transferring medium for carrying out heat exchange with lime-ash is housed in inner core 5.In the time carrying out heat exchange, urceolus 4 is rotated, and the lime-ash in the first liquid heat transferring medium and urceolus 4 in inner core 5 carries out heat exchange, and in the liquid heat transferring medium of transfer of heat to the first of lime-ash, the temperature of the first liquid heat transferring medium raises, and the temperature of lime-ash reduces.Urceolus 4 has lime-ash entrance 1 and lime-ash outlet 7, and lime-ash enters into urceolus 4 from lime-ash entrance 1, and after heat exchange is carried out, lime-ash is discharged from lime-ash outlet 7.Because urceolus 5 can be rotated, can better promote that the first liquid heat transferring medium in lime-ash and inner core 5 carries out heat exchange, as one preferred embodiment, the first liquid heat transferring medium is water, inner core 5 is provided with heat exchange fin 6, after heat exchange, after part water is heated, is vaporized.
Inner core 5 has inner core import 3 and inner core outlet 8, inner core outlet 8 is connected with the import of gas-liquid separator 9, an outlet of gas-liquid separator 9 is connected with generator 14 by the first outlet of steam turbine 13, and another outlet of gas-liquid separator 9 is connected with plate type heat exchanger 12.
Plate type heat exchanger 12 comprises the first branch road and the second branch road, and the first branch road is for passing through for the first liquid heat transferring medium, and the second branch road is for passing through for the second heat transferring medium; The flow direction of the first liquid heat transferring medium is contrary with the flow direction of the second heat transferring medium, flows to and can make on the contrary two media heat exchange more abundant.Wherein, first way outlet 10 is connected with inner core import 3 by water circulating pump 2; Between inner core import 3 and first way outlet 10, be connected with supply entrance 19 by pipeline, for passing into the first liquid heat transferring medium.The second outlet of steam turbine 13 is connected with the first branch road import 20; The first liquid heat transferring medium circulates between water circulating pump 2, inner core 4, gas-liquid separator 9, the first branch road.
The second branch road comprises the second branch road import 11 and second way outlet 21; Between the second branch road import 11 and second way outlet 21, be provided with supply branch road and heating branch road.Wherein, supply branch road comprises condensate pump 15 and the gas trap 16 of series connection successively, and supply branch road is for being delivered to the second branch road by condensate water, and gas trap 16 is for generating condensate water.Heating branch road comprises low-pressure heater 17 and the oxygen-eliminating device 18 of series connection successively.
As one preferred embodiment, plate type heat exchanger 12 is full-welding plate-type heat exchanger, and the pipeline in the first branch road and the second branch road is formed by stainless steel substrates compacting, adopts the mode of laser argon arc welding to be welded to connect between stainless steel substrates.The thickness of stainless steel substrates is 0.5mm-1mm, and the diameter of pipeline is 4mm-10mm.
Residual neat recovering system in the present invention is simple in structure, can effectively utilize the waste heat of lime-ash, and utilization ratio is high.
In the present invention, carry out altogether twice heat exchange, a heat exchange is carried out in lime-ash heat exchanger, and secondary heat exchange carries out in plate type heat exchanger, can make the waste heat of lime-ash be utilized more fully.Because lime-ash heat exchanger comprises urceolus and the inner core of coaxial setting, urceolus can rotate around axis, and therefore lime-ash contacts more fully with the heat transferring medium in inner core heat exchange fin, and heat exchange efficiency is higher.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, within these modes all will fall into protection scope of the present invention.
Claims (10)
1. a residual neat recovering system, is characterized in that: comprise lime-ash heat exchanger for carrying out a heat exchange and for carrying out the plate type heat exchanger of secondary heat exchange;
Described lime-ash heat exchanger comprises urceolus and the inner core of coaxial setting, and described urceolus can rotate around axis, in described urceolus, lime-ash is housed, and the first liquid heat transferring medium for carrying out heat exchange with described lime-ash is housed in described inner core;
Described inner core has inner core import and inner core outlet, described inner core outlet is connected with the import of gas-liquid separator, an outlet of described gas-liquid separator is connected with generator by the first outlet of steam turbine, and another outlet of described gas-liquid separator is connected with plate type heat exchanger.
2. residual neat recovering system according to claim 1, is characterized in that: described plate type heat exchanger comprises the first branch road and the second branch road, and described the first branch road is for passing through for the first liquid heat transferring medium, and described the second branch road is for passing through for the second heat transferring medium;
The flow direction of described the first liquid heat transferring medium is contrary with the flow direction of the second heat transferring medium.
3. residual neat recovering system according to claim 2, is characterized in that: first way outlet of described the first branch road is connected with described inner core import by water circulating pump;
Between described inner core import and first way outlet, be connected with supply entrance by pipeline, for passing into the first liquid heat transferring medium.
4. residual neat recovering system according to claim 3, is characterized in that: the second outlet of described steam turbine is connected with the first branch road import;
Described the first liquid heat transferring medium circulates between water circulating pump, inner core, gas-liquid separator, the first branch road.
5. residual neat recovering system according to claim 2, is characterized in that: described the second branch road comprises the second branch road import and second way outlet;
Between described the second branch road import and second way outlet, be provided with supply branch road and heating branch road.
6. residual neat recovering system according to claim 5, is characterized in that: described supply branch road comprises condensate pump and the gas trap of series connection successively, and described supply branch road is for being delivered to described the second branch road by condensate water;
Described gas trap is used for generating condensate water.
7. residual neat recovering system according to claim 5, is characterized in that: described heating branch road comprises low-pressure heater and the oxygen-eliminating device of series connection successively.
8. residual neat recovering system according to claim 2, is characterized in that: described plate type heat exchanger is full-welding plate-type heat exchanger;
Pipeline in described the first branch road and the second branch road is formed by stainless steel substrates compacting, adopts the mode of laser argon arc welding to be welded to connect between described stainless steel substrates.
9. residual neat recovering system according to claim 8, is characterized in that: the thickness of described stainless steel substrates is 0.5mm-1mm.
10. residual neat recovering system according to claim 8, is characterized in that: the diameter of described pipeline is 4mm-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321781.4A CN104061810A (en) | 2014-07-08 | 2014-07-08 | Waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321781.4A CN104061810A (en) | 2014-07-08 | 2014-07-08 | Waste heat recovery system |
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| Publication Number | Publication Date |
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| CN104061810A true CN104061810A (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410321781.4A Pending CN104061810A (en) | 2014-07-08 | 2014-07-08 | Waste heat recovery system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288882A (en) * | 2016-08-03 | 2017-01-04 | 镇江飞利达电站设备有限公司 | Plate type heat exchanger |
| CN116182615A (en) * | 2023-04-26 | 2023-05-30 | 四川优浦达科技有限公司 | High-efficiency recovery device and method for waste liquid and waste heat of wastewater treatment plant |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51147474A (en) * | 1975-06-13 | 1976-12-17 | Kawasaki Heavy Ind Ltd | A process and apparatus for heat recovery from molten slag |
| CN2107004U (en) * | 1991-09-19 | 1992-06-10 | 烟台经济技术开发区热电站工程指挥部 | Boiler cinders cooler |
| CN201670845U (en) * | 2010-05-11 | 2010-12-15 | 中钢集团鞍山热能研究院有限公司 | High temperature solid slag sensible heat recovery device |
| CN202166051U (en) * | 2011-05-27 | 2012-03-14 | 北京格尔合力能源科技发展有限公司 | Front closed circulating heat exchange system |
| CN203298314U (en) * | 2013-03-18 | 2013-11-20 | 马超 | Secondary slag cooler and ash waste heat recovery system |
| CN204007253U (en) * | 2014-07-08 | 2014-12-10 | 李小红 | A kind of residual neat recovering system |
-
2014
- 2014-07-08 CN CN201410321781.4A patent/CN104061810A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51147474A (en) * | 1975-06-13 | 1976-12-17 | Kawasaki Heavy Ind Ltd | A process and apparatus for heat recovery from molten slag |
| CN2107004U (en) * | 1991-09-19 | 1992-06-10 | 烟台经济技术开发区热电站工程指挥部 | Boiler cinders cooler |
| CN201670845U (en) * | 2010-05-11 | 2010-12-15 | 中钢集团鞍山热能研究院有限公司 | High temperature solid slag sensible heat recovery device |
| CN202166051U (en) * | 2011-05-27 | 2012-03-14 | 北京格尔合力能源科技发展有限公司 | Front closed circulating heat exchange system |
| CN203298314U (en) * | 2013-03-18 | 2013-11-20 | 马超 | Secondary slag cooler and ash waste heat recovery system |
| CN204007253U (en) * | 2014-07-08 | 2014-12-10 | 李小红 | A kind of residual neat recovering system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288882A (en) * | 2016-08-03 | 2017-01-04 | 镇江飞利达电站设备有限公司 | Plate type heat exchanger |
| CN106288882B (en) * | 2016-08-03 | 2019-01-29 | 镇江旭世机械设备有限公司 | Plate heat exchanger |
| CN116182615A (en) * | 2023-04-26 | 2023-05-30 | 四川优浦达科技有限公司 | High-efficiency recovery device and method for waste liquid and waste heat of wastewater treatment plant |
| CN116182615B (en) * | 2023-04-26 | 2023-06-27 | 四川优浦达科技有限公司 | High-efficiency recovery device and method for waste liquid and waste heat of wastewater treatment plant |
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Application publication date: 20140924 |