CN205782821U - High steam recovery system - Google Patents

High steam recovery system Download PDF

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Publication number
CN205782821U
CN205782821U CN201620642213.9U CN201620642213U CN205782821U CN 205782821 U CN205782821 U CN 205782821U CN 201620642213 U CN201620642213 U CN 201620642213U CN 205782821 U CN205782821 U CN 205782821U
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CN
China
Prior art keywords
heat exchanger
steam recovery
steam
hot air
air furnace
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Withdrawn - After Issue
Application number
CN201620642213.9U
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Chinese (zh)
Inventor
徐华
黄旭然
林云
蔡晓洲
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HUAFENG GROUP CORP Ltd
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HUAFENG GROUP CORP Ltd
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Priority to CN201620642213.9U priority Critical patent/CN205782821U/en
Application granted granted Critical
Publication of CN205782821U publication Critical patent/CN205782821U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

This utility model relates to a kind of environmental protection recovery system, particularly to a kind of high steam recovery system.This utility model provides following technical scheme: a kind of high steam recovery system, including by being connected the condensation water tank that recyclable flash vessel processes the Steam Recovery heat exchanger of steam of generation and the condensing hot air furnace heat exchanger of condensed water, is connected with Steam Recovery heat exchanger and condensing hot air furnace heat exchanger respectively with flash vessel;Being provided with at described condensation water tank and can export to the post bake pipeline of condensing hot air furnace heat exchanger and Steam Recovery heat exchanger by the condensed water secondary that it is interior, Steam Recovery heat exchanger is provided with the post bake outfan being connected with external steam generator.Use technique scheme, it is provided that a kind of heat energy condensed in water enforcement collection, use, environmental protection, high steam recovery system of saving energy vapour system can discharged.

Description

High steam recovery system
Technical field
The present invention relates to a kind of environmental protection recovery system, particularly to a kind of high steam recovery system.
Background technology
In the manufacture field of pharmacy, biology, metallurgy and chemical industry, its process equipment all needs to use the height in steam boiler Pressure steam implements heating or heating.But, high steam can produce substantial amounts of condensation water after carrying out heat exchange use, condenses water quilt It is immediately discharged in condensate-water polishing groove, although the heat energy condensed in water can be used in a vapor generator, but condenses in water Steam but cannot effectively utilize, steam has substantial amounts of heat energy equally, this heat energy cannot reasonably be used, no Environmental protection only not, and waste the energy.
Summary of the invention
The deficiency existed for prior art, the invention provides a kind of heat condensed in water that can vapour system be discharged Collection, use, environmental protection, the high steam recovery system of the saving energy can be implemented.
For achieving the above object, the technical scheme is that a kind of high steam recovery system, its feature exists In: include by Steam Recovery heat exchanger and the condensation of condensed water being connected the steam that the process of recyclable flash vessel produces with flash vessel Water Sproading heat exchanger, the condensation water tank being connected with Steam Recovery heat exchanger and condensing hot air furnace heat exchanger respectively;Described condensation It is provided with at water tank and the condensed water secondary that it is interior can be exported to condensing hot air furnace heat exchanger and the secondary of Steam Recovery heat exchanger Adding pipe line, Steam Recovery heat exchanger is provided with the post bake outfan being connected with external steam generator.
Using technique scheme, in use, the high pressure condensed water with heat energy discharged in vapour system enters Entering in flash vessel, condensed water is implemented vapor-liquid separation by flash vessel.The isolated steam with heat energy enters into Steam Recovery In heat exchanger, isolated condensed water then enters in condensing hot air furnace heat exchanger, then produces in Steam Recovery heat exchanger Condensed water and condensing hot air furnace heat exchanger in condensed water drain into respectively in condensation water tank;Finally, by post bake pipe Condensed water in condensation water tank is back in condensing hot air furnace heat exchanger by road again, the vapour separated due to flash vessel, liquid Two-way is respectively provided with high pressure, and the temperature thus into the time condensation water in condensing hot air furnace heat exchanger is improved, it is achieved one Secondary heat exchange, this, after the time condensation water of heat exchange enters in Steam Recovery heat exchanger, carries out heat exchange with steam, it is achieved two Secondary heat exchange, now the temperature of time condensation water has been higher than the temperature entering flash vessel under atmospheric pressure state, is then passed through secondary heat exchange Time condensation water enter in steam generator.Above-mentioned setting makes the steam in the condensed water discharged by equipment obtain reasonably Utilize, not only saved the energy, and environmental protection.
The present invention is further arranged to: be provided with surplus steam output circuit at Steam Recovery heat exchanger, and this surplus steam is defeated Go out pipeline and be provided with stop valve.
Use technique scheme, the service efficiency that further improve steam is so set, prevents the waste of the energy; After i.e. implementing secondary heat exchange in Steam Recovery heat exchanger, also can remain the steam of surplus, this steam can be exported by surplus steam Pipeline exports, and uses as miscellaneous equipment or user.
The present invention is further set to: post bake pipeline is provided with and can extract the condensed water in condensation water tank to condensation Centrifugal pump in Water Sproading heat exchanger and Steam Recovery heat exchanger.
Use technique scheme, so arrange and be easy to the extraction of condensed water in condensation water tank.
The present invention is further set to: Steam Recovery heat exchanger is connected with the top of flash vessel by pipeline, condensed water Reclaim heat exchanger to be connected with the bottom of flash vessel by pipeline.
Use technique scheme, the vapor-liquid separation being easy to flash vessel is so set.
The invention will be further described for Structure Figure below.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the embodiment of the present invention.
Detailed description of the invention
A kind of high steam recovery system as shown in Figure 1, include recyclable external high pressure condensed water flash vessel 1, Be connected with flash vessel 1 recyclable processed by flash vessel 1 after condensed water in the Steam Recovery heat exchanger 2 of steam and condensed water cold Solidifying Water Sproading heat exchanger 3, the condensation water tank 4 being connected with Steam Recovery heat exchanger 2 and condensing hot air furnace heat exchanger 3 respectively;Condensation It is provided with at water tank 4 and the condensed water secondary that it is interior can be exported to condensing hot air furnace heat exchanger 3 and the two of Steam Recovery heat exchanger 2 The secondary pipe line 41 that adds, Steam Recovery heat exchanger 2 is provided with the post bake outfan 21 being connected with external steam generator 5.On Stating scheme in use, the condensed water with heat energy that equipment is discharged enters in flash vessel 1, and flash vessel 1 is to condensed water Implement vapor-liquid separation.The isolated steam with heat energy enters in Steam Recovery heat exchanger 2, and isolated condensed water is then Enter in condensing hot air furnace heat exchanger 3, the condensed water then produced in Steam Recovery heat exchanger 2 and condensing hot air furnace heat exchange Condensed water in device 3 drains in condensation water tank 4 respectively;Finally, by post bake pipeline 41 by the condensed water in condensation water tank 4 Again it is back in condensing hot air furnace heat exchanger 3, owing to there is high pressure in pipeline and condensing hot air furnace heat exchanger 3, hence into The temperature of the condensed water in condensing hot air furnace heat exchanger 3 is improved, it is achieved a heat exchange, and this enters through the condensed water of heat exchange After entering in Steam Recovery heat exchanger 2, carrying out heat exchange with steam, it is achieved secondary heat exchange, now the temperature of condensed water is higher than Entering the temperature of flash vessel 1 under atmospheric pressure state, the condensed water being then passed through secondary heat exchange enters in steam generator 5.Above-mentioned Arranging makes the steam in the condensed water discharged by equipment be reasonably utilized, and has not only saved the energy, and environmental protection.
In embodiments of the present invention, in order to improve the service efficiency of steam, the waste of the energy is prevented.Steam Recovery heat exchanger Being provided with surplus steam output circuit 6 at 2, this surplus steam output circuit 6 is provided with stop valve 61.Post bake pipeline 41 is provided with Condensed water in condensation water tank 4 can be extracted the centrifugal pump 42 to condensing hot air furnace heat exchanger 3 and Steam Recovery heat exchanger 2. So arrange and be easy to the extraction of condensed water in condensation water tank 4.
In embodiments of the present invention.In order to the operation making flash vessel 1 is more stable, Steam Recovery heat exchanger 2 passes through pipeline Being connected with the top of flash vessel 1, condensing hot air furnace heat exchanger 3 is connected with the bottom of flash vessel 1 by pipeline.
Mentality of designing and the specific embodiment of the present invention are as follows: one, by the condensation of 5500kg/h, 10ba of output in equipment Water advanced person's flash vessel 1, carries out vapor-liquid separation, and flashing pressure controls at 4bar;So can ensure that flash vessel 1 has richness after heat exchange In the case of Yu, low-pressure steam pipeline can be supplemented to;Two, after flash distillation, remaining condensed water is carried out with the boiler feed water of 100 DEG C Heat exchange, fully absorbs the heat in condensed water, is emitted in steam generator 2 after heat exchange;Three, do vapour-liquid through flash vessel 1 to divide Flash-off steam after from, a part is for again improving the temperature of boiler feedwater, and a part is for low-pressure line (other user) Supplementing of steam.
Experimentation: after condensed water flash, remaining condensation water quantity is 5132kg/h, the temperature looking into 4bar saturated vapor is 152 DEG C, therefore the condensate temperature after flash vessel drain valve can be at about 150 DEG C.The temperature of two kinds of different mediums of heat exchanger Difference is general just can be with the presence of effective heat exchange more than 3 DEG C, because the reason of heat exchange temperature gradient to be considered etc..Therefore condense Temperature after the abundant heat exchange of water necessarily be greater than 100 DEG C of secondary side water inlet, can be set to 106 DEG C herein.According to heat conservation law: Q1=Q2;Cm1(t1-t2)=cm2(t3-t4).
Wherein: m1 is boiler feed water flow 5500kg/h;T1 is leaving water temperature of boiler water;T2 is boiler feed water temperature 100℃;M2 is residue condensate flow 5132kg/h after flash distillation;T3 is residue condensate temperature 150 DEG C after flash distillation;T4 is heat exchange Rear condensate temperature 106 DEG C;Can be calculated from above, after heat exchange of boiler water, temperature is promoted to 140 DEG C.
Boiler water and flash-off steam carry out secondary heat exchange, and ibid Steam Recovery heat exchanger and condensing hot air furnace heat exchanger are not The temperature difference with medium typically just can be with the presence of effective heat exchange more than 3 DEG C, because heat exchange temperature gradient to be considered etc. is former Cause.Therefore the temperature after boiler feed water secondary heat exchange have to be lower than 152 DEG C, is designed here as 148 DEG C.
According to heat conservation law: Q3=Q4;Cm3(t5-t1)=m4h4.
Wherein: m3 is boiler feed water flow 5500kg/h;T1 is heat exchange leaving water temperature of boiler water 140 DEG C;T5 is pot Stove water secondary heat exchange leaving water temperature 148 DEG C;M4 is the quantity of steam that heat exchange needs to consume;H4 is the 4bar saturated vapor for heat exchange Latent heat 2108kj/kg.
Be can be calculated by above formula, need for the quantity of steam of heat exchange be 88kg/h.Then remaining quantity of steam after heat exchange Also has 280kg/h.

Claims (5)

1. a high steam recovery system, it is characterised in that: include the flash vessel of recyclable external high pressure condensed water and dodge Steaming device connect recyclable flash vessel process the Steam Recovery heat exchanger of steam produced and the condensing hot air furnace heat exchanger of condensed water, The condensation water tank being connected with Steam Recovery heat exchanger and condensing hot air furnace heat exchanger respectively;Being provided with at described condensation water tank can Exporting the condensed water secondary that it is interior to the post bake pipeline of condensing hot air furnace heat exchanger and Steam Recovery heat exchanger, steam returns Receive heat exchanger and be provided with the post bake outfan being connected with external steam generator.
High steam recovery system the most according to claim 1, it is characterised in that: set at described Steam Recovery heat exchanger Having surplus steam output circuit, this surplus steam output circuit is provided with stop valve.
High steam recovery system the most according to claim 1 and 2, it is characterised in that: described post bake pipeline sets Have and the condensed water in condensation water tank can be extracted the centrifugal pump to condensing hot air furnace heat exchanger and Steam Recovery heat exchanger.
High steam recovery system the most according to claim 1 and 2, it is characterised in that: described Steam Recovery heat exchanger Being connected with the top of flash vessel by pipeline, condensing hot air furnace heat exchanger is connected with the bottom of flash vessel by pipeline.
High steam recovery system the most according to claim 3, it is characterised in that: described Steam Recovery heat exchanger passes through Pipeline is connected with the top of flash vessel, and condensing hot air furnace heat exchanger is connected with the bottom of flash vessel by pipeline.
CN201620642213.9U 2016-06-23 2016-06-23 High steam recovery system Withdrawn - After Issue CN205782821U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620642213.9U CN205782821U (en) 2016-06-23 2016-06-23 High steam recovery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620642213.9U CN205782821U (en) 2016-06-23 2016-06-23 High steam recovery system

Publications (1)

Publication Number Publication Date
CN205782821U true CN205782821U (en) 2016-12-07

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CN201620642213.9U Withdrawn - After Issue CN205782821U (en) 2016-06-23 2016-06-23 High steam recovery system

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CN (1) CN205782821U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105972573A (en) * 2016-06-23 2016-09-28 华峰集团有限公司 High pressure steam recovering system
CN109316774A (en) * 2018-11-23 2019-02-12 威海双信节能环保设备有限公司 Low temperature and low pressure steam recycling device and method
CN110947345A (en) * 2019-11-21 2020-04-03 韩亚半导体材料(贵溪)有限公司 Novel copper processing equipment that anti-leakage steam cycle used

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105972573A (en) * 2016-06-23 2016-09-28 华峰集团有限公司 High pressure steam recovering system
CN105972573B (en) * 2016-06-23 2018-07-27 华峰集团有限公司 High steam recovery system
CN109316774A (en) * 2018-11-23 2019-02-12 威海双信节能环保设备有限公司 Low temperature and low pressure steam recycling device and method
CN109316774B (en) * 2018-11-23 2023-09-26 威海双信节能环保设备有限公司 Low-temperature low-pressure steam regeneration recovery device and method
CN110947345A (en) * 2019-11-21 2020-04-03 韩亚半导体材料(贵溪)有限公司 Novel copper processing equipment that anti-leakage steam cycle used

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20161207

Effective date of abandoning: 20180727

AV01 Patent right actively abandoned