CN102563609B - Condensate-recycling system - Google Patents

Condensate-recycling system Download PDF

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Publication number
CN102563609B
CN102563609B CN201010619502.4A CN201010619502A CN102563609B CN 102563609 B CN102563609 B CN 102563609B CN 201010619502 A CN201010619502 A CN 201010619502A CN 102563609 B CN102563609 B CN 102563609B
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condensate
steam
water tank
water
order
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CN102563609A (en
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李春强
毛溪林
赵厉罡
黄清利
任波
朱建中
伍良社
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China Tobacco Guizhou Industrial Co Ltd
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China Tobacco Guizhou Industrial Co Ltd
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Abstract

The invention discloses a condensate-recycling system. A top soft water tank is connected with a boiler through a boiler feed pump, a condensate collector is connected with steam-consuming equipment through a steam trap, the top soft water tank is connected with the water inlet of a steam-water heater through a water-circulating pump, the water outlet of the steam-water heater is connected with the top soft water tank, the exhaust outlet of the condensate collector is connected with the steam inlet of the steam-water heater, the condensate discharge outlet of the steam-water heater is connected with the water inlet of the condensate collector, and the water outlet of the condensate collector is connected with the top soft water tank through a condensate-recovering pump. Consequently, the heat of flash steam and leaked steam can be sufficiently utilized, so that the waste of energy can be effectively prevented, meanwhile, the condensate which is produced after steam is cooled can flow into the top soft water tank and is recycled by the boiler, so that the water resource is also effectively utilized and the waste of the water resource is reduced, and therefore the condensate-recycling system can meet the requirement for energy saving and environment-friendliness.

Description

Condensate-recycling system
Technical field
The present invention relates to a kind of condensate-recycling system, particularly a kind of recycling system for cigarette factory condensate water.
Background technology
Cigar mill is in production of cigarettes process, in order to ensure the normal operation of scrap prodn. line process equipment and heating and ventilating equipment, need with a large amount of steam, after steam releases the latent heat of vaporization as a kind of heat energy carrier in various gas utilization unit, the saturated condensate water of intimate equality of temperature with pressure can be become, because the use pressure of steam is greater than atmospheric pressure, so the heat that condensate water has can reach the 20%-30% of the full heat of steam, and pressure, temperature is higher, the heat that condensate water has is more, the ratio accounting for steam total amount of heat is also larger, this shows, the heat of the recovery condensate water of 100% and in addition effectively utilization there is very large energy-saving potential.
The condensate water that current cigar mill production line heat transmission equipment produces generally all can get back to Condensate recovery device by buried pipe, but due to each production technology by steam pressure difference, (maximum steam pressure is not less than 0.8MPa at scrap prodn. line cut-tobacco drier place, and the operating pressure of Condensate recovery device only has 0.125MPa), therefore condensate water is easy to the flash-off steam that produces in condensing water conduit, the leaked steam of part hydrophobic valve also can enter into condensing water conduit, a large amount of flash-off steams and leaked steam will be made like this to think highly of at condensate-water polishing gather, back pressure in Condensate recovery device is raised, and then cause gas equipment blocked drain, in order to ensure that gas equipment is hydrophobic unimpeded, usually airtight Condensate recovery device is changed into open system, Condensate recovery device increases evacuated tube and emits flash-off steam, the a large amount of heat being so is just wasted, cause energy waste.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved in the present invention is to provide a kind of condensate-recycling system that the heat of condensation water flashing steam can be made to be fully used.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of condensate-recycling system, comprise boiler, low level softened water tank, high-order softened water tank, Condensate recovery device, described low level softened water tank is connected with described high-order softened water tank by elevated tank feed pump, described high-order softened water tank is connected with described boiler by boiler feed pump, described Condensate recovery device is connected with gas utilization unit by steam trap, it also comprises a steam water heater, described high-order softened water tank is connected with the water inlet of described steam water heater by a water circulating pump, the delivery port of described steam water heater is connected with described high-order softened water tank, the exhaust outlet of described Condensate recovery device is connected with the air inlet of described steam water heater, the condensate water discharging mouth of described steam water heater is connected with the water inlet of described Condensate recovery device, the delivery port of described Condensate recovery device is connected with described high-order softened water tank by condensate transfer pump.
Preferably, the connecting line of described high-order softened water tank and described boiler is provided with temperature detector.
Preferably, the pipeline that described Condensate recovery device is connected with described high-order softened water tank is provided with tramp iron separator, Water quality detector and flowmeter.
Preferably, the pipeline that described Condensate recovery device is connected with described high-order softened water tank is provided with draining valve.
Preferably, the pipeline that described low level softened water tank is connected with described high-order softened water tank is provided with normal temp. deaerator.
Technique scheme has following beneficial effect: this condensate-recycling system is provided with a steam water heater, flash-off steam in Condensate recovery device and the leaked steam of drain valve enter into steam water heater by exhaust outlet, soft water simultaneously in high-order softened water tank also passes through this steam water heater, soft like this water and steam just can carry out heat exchange in steam water heater, the temperature of soft water is raised, make steam-condensation simultaneously and be back in Condensate recovery device, the heat of steam so just can be made to be fully utilized, effectively can avoid the waste of the energy, the condensed water produced after steam cooling simultaneously can flow in high-order softened water tank and be re-used by boiler, water resource is also utilized effectively, reduce the waste of water resource, meet the requirement of energy-conserving and environment-protective.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail.
As shown in Figure 1, this condensate-recycling system comprises boiler 8, low level softened water tank 1, high-order softened water tank 5, Condensate recovery device 11 and steam water heater 12, low level softened water tank 1 is connected with high-order softened water tank 5 by elevated tank feed pump 2, and the pipeline that low level softened water tank 1 is connected with high-order softened water tank 2 is provided with normal temp. deaerator 3.High-order softened water tank 5 is connected with boiler by boiler feed pump 7, and the connecting line of high-order softened water tank and described boiler is provided with temperature detector 6.Condensate recovery device 11 is connected with gas utilization unit 9 by steam trap 10.
High-order softened water tank 5 is connected with the water inlet of steam water heater 12 by a water circulating pump 4, the delivery port of steam water heater 12 is connected with high-order softened water tank 5, the exhaust outlet of Condensate recovery device 11 is connected with the air inlet of steam water heater 12, the condensate water discharging mouth of steam water heater 12 is connected with the water inlet of Condensate recovery device 11, and the delivery port of Condensate recovery device 11 is connected with high-order softened water tank by condensate transfer pump 13.The pipeline that Condensate recovery device is connected with high-order softened water tank is also provided with tramp iron separator 14, Water quality detector 16, flowmeter 15 and draining valve 17.
In use, running water enters low level softened water tank 1 to this condensate-recycling system after softening equipment process, by elevated tank feed pump 2, the water in low level softened water tank is being evacuated to high-order softened water tank 5, and is carrying out deoxygenation process by normal temp. deaerator 3.Water in high-order softened water tank 5 is delivered to boiler by boiler feed pump 7 and is detected by temperature detector 6 pairs of water temperatures, to prevent the too low use affecting boiler of water temperature.
The condensate water that each gas equipment 9 produces enters in Condensate recovery device 11 through steam trap 10, due to flash-off steam and the reason revealing steam, a large amount of steam can be gathered in Condensate recovery device 11, steam enters in steam water heater 12 through the exhaust outlet of Condensate recovery device 11, soft water simultaneously in high temperature softened water tank 5 also enters in steam water heater 12 through water circulating pump 4, steam and soft water carry out heat exchange in steam water heater 12, the water temperature of soft water is increased and backflows in the high-order softened water tank of meeting, steam condensation forms condensed water and flows back in Condensate recovery device simultaneously.Steam carries out heat exchange by this steam water heater 12 and is used for heating soft water, the heat of steam is fully utilized, effectively can avoids the waste of the energy.
In Condensate recovery device 11, condensate water is evacuated in high-order softened water tank 5 by condensate transfer pump 13, in order to the requirement making the water quality of condensate water meet boiler soft water, deironing process is carried out by tramp iron separator 14 pairs of condensate water, and detected by Water quality detector 16 pairs of condensate water, the flow of condensate water is detected by flowmeter 15, when when condensate water is more, boiler can not use completely, discharge by draining valve 17.The condensation flow that this system produces after steam can be made to cool is re-used by boiler to high-order softened water tank, and water resource is also utilized effectively, thus effectively reduces the waste of water resource, meets the requirement of energy-conserving and environment-protective.
Above the condensate-recycling system that the embodiment of the present invention provides is described in detail; for one of ordinary skill in the art; according to the thought of the embodiment of the present invention; all can change to some extent in specific embodiments and applications; therefore this description is only used in being described the embodiment of the present invention; should not be construed as limitation of the present invention, all any changes made according to design philosophy of the present invention are all within protection scope of the present invention.

Claims (5)

1. a condensate-recycling system, comprise boiler, low level softened water tank, high-order softened water tank, Condensate recovery device, described low level softened water tank is connected with described high-order softened water tank by elevated tank feed pump, described high-order softened water tank is connected with described boiler by boiler feed pump, described Condensate recovery device is connected with gas utilization unit by steam trap, it is characterized in that: it also comprises a steam water heater, described high-order softened water tank is connected with the water inlet of described steam water heater by a water circulating pump, the delivery port of described steam water heater is connected with described high-order softened water tank, the exhaust outlet of described Condensate recovery device is connected with the air inlet of described steam water heater, the condensate water discharging mouth of described steam water heater is connected with the water inlet of described Condensate recovery device, the delivery port of described Condensate recovery device is connected with described high-order softened water tank by condensate transfer pump, described Condensate recovery device is closed Condensate recovery device.
2. condensate-recycling system according to claim 1, is characterized in that: the connecting line of described high-order softened water tank and described boiler is provided with temperature detector.
3. condensate-recycling system according to claim 1, is characterized in that: the pipeline that described Condensate recovery device is connected with described high-order softened water tank is provided with tramp iron separator, Water quality detector and flowmeter.
4. condensate-recycling system according to claim 1, is characterized in that: the pipeline that described Condensate recovery device is connected with described high-order softened water tank is provided with draining valve.
5. condensate-recycling system according to claim 1, is characterized in that: the pipeline that described low level softened water tank is connected with described high-order softened water tank is provided with normal temp. deaerator.
CN201010619502.4A 2010-12-31 2010-12-31 Condensate-recycling system Active CN102563609B (en)

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103017127A (en) * 2012-12-14 2013-04-03 江苏长三角精细化工有限公司 Utilization method and device for waste heat of waste steam
CN104358060A (en) * 2014-10-24 2015-02-18 浙江美欣达印染集团股份有限公司 Printing and dyeing workshop condensate recycling device
CN104501130B (en) * 2014-11-25 2016-06-01 河南中烟工业有限责任公司 Tobacco workshop steam utilization condensate recovery system
CN106275911A (en) * 2016-08-24 2017-01-04 武汉天龙饲料有限公司 Storage facilities deposited by oils and fats
CN108167801A (en) * 2018-02-01 2018-06-15 苏州迪森能源技术有限公司 Boiler carbonated drink processing system
CN109813136A (en) * 2019-02-27 2019-05-28 深圳粤通新能源环保技术有限公司 A kind of heavy duty detergent temperature control vapor recovery energy-saving appliance
CN215909025U (en) * 2021-11-04 2022-02-25 青岛新奥能源有限公司 Industrial steam condensate water recycle system

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