CN101886850A - Low-temperature steam exhaust recovery device - Google Patents

Low-temperature steam exhaust recovery device Download PDF

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Publication number
CN101886850A
CN101886850A CN 201010230132 CN201010230132A CN101886850A CN 101886850 A CN101886850 A CN 101886850A CN 201010230132 CN201010230132 CN 201010230132 CN 201010230132 A CN201010230132 A CN 201010230132A CN 101886850 A CN101886850 A CN 101886850A
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CN
China
Prior art keywords
low
temperature
pipe
recycling
steam exhaust
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Pending
Application number
CN 201010230132
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Chinese (zh)
Inventor
李树生
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李树生
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Publication date
Application filed by 李树生 filed Critical 李树生
Priority to CN 201010230132 priority Critical patent/CN101886850A/en
Publication of CN101886850A publication Critical patent/CN101886850A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a low-temperature steam exhaust recovery device which comprises a recovery tank and a jet pump, wherein the recovery tank is provided with an inlet and a condensation water outlet, a jet outlet of the jet pump is connected with the inlet of the recovery tank, a jet inlet of the jet pump is connected with a low-temperature hot water pipe by a water inlet pipe, a pumping inlet of the jet pump is connected with a steam exhaust pipe network by a steam exhaust transmission pipeline, the condensation water outlet of the recovery tank is connected with a high-temperature hot water pipe network by a water outlet pipe, and steam exhaust in the steam exhaust pipe network is low-temperature non-pressure or low-temperature low-pressure steam exhaust. The recovery device can effectively recover the steam exhaust in the steam exhaust pipe network, heat the low-temperature hot water from the low-temperature hot water pipe by using latent heat of vaporization of the steam exhaust in the steam exhaust pipe network and transmit the heated low-temperature hot water to the high-temperature hot water pipe having higher pressure for reutilization, and is mainly used for recovering steam exhaust of various facilities in the fields of electric power, petrochemical, metallurgy, chemical industry, light industry and the like.

Description

Low-temperature steam exhaust recovery device
Technical field
The present invention relates to a kind of low-temperature steam exhaust recovery device, the exhaust steam that mainly can be used for various devices such as electric power, petrochemical industry, metallurgy, chemical industry and light industry is recycled.
Background technology
Under the prior art, because occasions such as electric power, petrochemical industry, metallurgy, chemical industry and light industry, the exhaust steam that vapour system is discharged is that low temperature does not have pressure or low-temp low-pressure exhaust steam, can't continue to use as industrial steam, therefore many employings mode of directly being disposed to atmosphere is discharged, caused the waste of great amount of water resources and heat energy thus, on the other hand, the hot water of hot-water heating system uses the back, and temperature dropped to a certain extent, also lost the value of using as hot water, therefore need come back to boiler and heat, consume energy thus.
Summary of the invention
In order to overcome the above-mentioned defective of prior art, the invention provides a kind of low-temperature steam exhaust recovery device, adopt this high device, exhaust steam and the water at low temperature that loses use value can be used, under not catabiotic situation basically, formation is suitable for the high-temperature-hot-water that industry needs, to avoid the waste of the water resource and the energy.
The technical solution used in the present invention is: a kind of low-temperature steam exhaust recovery device, comprise recycling can and jet pump, described recycling can is provided with import and condensate water outlet, the jet exit of described jet pump connects the import of described recycling can, the jet import of described jet pump connects the low-temperature water heating pipe by water inlet pipe, the suction inlet of described jet pump connects the exhaust steam pipe network by the exhaust steam conveyance conduit, and the condensate water outlet of described recycling can connects the high-temperature-hot-water pipe network by outlet pipe.
Exhaust steam in the described exhaust steam pipe network is generally low temperature does not have pressure or low-temp low-pressure exhaust steam.
Described low-temperature steam exhaust recovery device can also comprise return pipe, and the water inlet of described return pipe can connect described outlet pipe, and the delivery port of described return pipe can connect described water inlet pipe or low-temperature water heating pipe.
Can be provided with stop valve on the described return pipe.
The condensate water outlet of described recycling can be arranged on the bottom of described recycling can, can be provided with the condensed water in high temperature pump on the outlet pipe between the condensate water outlet of described recycling can and the water inlet of described return pipe.
Outlet pipe between the condensate water outlet of described recycling can and the water inlet of described return pipe can be parallel with exit branch, can be provided with the condensed water in high temperature pump on the described exit branch.
The bottom of described recycling can be provided with blow-off pipe.
Described recycling can be provided with safety valve and air bleeding valve, and described safety valve and air bleeding valve can be connected to the top of described recycling can by pipeline.
Can be provided with water pump on the described water inlet pipe.
Manhole can be provided with on the sidewall of described recycling can, all stop valve can be provided with on described low-temperature water heating pipe and the exhaust steam conveyance conduit.
Operation principle of the present invention and beneficial effect are: the pressure that utilizes low-temperature water heating; swabbing action by jet pump; with the exhaust steam sucking-off jet pump in the exhaust steam pipeline; mix with low-temperature water heating with elevated pressures from the low-temperature water heating pipe; flow into recycling can by jet exit; utilize the latent heat of vaporization of exhaust steam to heat for low-temperature water heating; formation has the hot water of higher temperature; exhaust steam simultaneously also is converted into the part of high-temperature water; low-temperature water heating after will heating by the condensed water in high temperature pump is again sent into the high-temperature-hot-water pipe network or is returned the low-temperature water heating pipe by return pipe; make heat energy and water in the exhaust steam all obtain recycling thus; to there be the exhaust steam and the water at low temperature of use value to become high-temperature-hot-water with industrial use value; and do not need external impetus when carrying out the mixing of exhaust steam and water at low temperature or only need replenish a small amount of power; not only help environmental protection and protection of resources, but also can bring direct economic benefit.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Referring to Fig. 1, the invention provides a kind of low-temperature steam exhaust recovery device, comprise recycling can 1 and jet pump 2, described recycling can is provided with import and condensate water outlet, the jet exit of described jet pump connects the import of described recycling can, the jet import of described jet pump is passed through water inlet pipe 3 and is connected low-temperature water heating pipes 4, and the suction inlet of described jet pump connects the exhaust steam pipe networks by exhaust steam conveyance conduit 5, and the exhaust steam in the described exhaust steam pipe network is that low temperature does not have pressure or low-temp low-pressure exhaust steam.When entering described recycling can by described jet pump from the low-temperature water heating of described low-temperature water heating pipe, can form negative pressure in the suction porch of described jet pump, into described recycling can is aspirated in exhaust steam in the described exhaust steam pipe network, for having enough negative pressure, the suction porch that guarantees described jet pump the exhaust steam in the described exhaust steam pipe network successfully can be aspirated into described recycling can, under the lower situation of the pressure of water at low temperature, can on described water inlet pipe, be provided with control valve, stop valve, magnetic valve, motor-driven valve or water pump 6 enter the pressure and the flow velocity of the low-temperature water heating of described jet pump with raising.The outlet of the condensate water of described recycling can connects high-temperature-hot-water pipe networks 8 by outlet pipe 7, so that will utilize the low-temperature water heating from the low-temperature water heating pipe after the vaporization latent heat of exhaust steam to recycle.
The import of described recycling can be arranged on the top of its tank body, makes jet enter behind the described recycling can stream from up to down.The import of described recycling can also can be arranged on the side of tank body.
Described low-temperature steam exhaust recovery device can also comprise return pipe 9, the water inlet of described return pipe can connect described outlet pipe, the delivery port of described return pipe can connect described water inlet pipe or low-temperature water heating pipe, water inlet pipe forms jet and/or the low-temperature water heating pipe utilizes once more so that the condensate water of discharging from described recycling can be recycled to, and can be provided with stop valve on the described return pipe.
The condensate water outlet of described recycling can be arranged on the bottom of described recycling can usually, what guarantee thus to discharge from the outlet of described condensate water all is condensate water, can be provided with condensed water in high temperature pump 10 on the outlet pipe between the condensate water outlet of described recycling can and the water inlet of described return pipe, in order to improve, guarantee that the condensate water of discharging can enter described high-temperature-hot-water pipe network smoothly or be back to described low-temperature water heating pipe or water inlet pipe from the pressure of the condensate water of described condensate water outlet discharge.
Outlet pipe between the condensate water outlet of described recycling can and the water inlet of described return pipe can be parallel with exit branch 11, also can be provided with condensed water in high temperature pump 12 on the described exit branch, in order to guarantee when fault appears in the condensed water in high temperature pump on described outlet pipe or the outlet pipe, not influence the operation of system and device.
The bottom of described recycling can be provided with blow-off pipe 13, in order to when described low-temperature steam exhaust recovery device is stopped transport, discharges condensate water and/or pollutant in the described recycling can.
Described recycling can be provided with safety valve 14 and air bleeding valve 15, described safety valve and air bleeding valve can be connected to the top of described recycling can by pipeline, the gas that can not form condensate water regularly can be discharged described recycling can by described air bleeding valve, in order to avoid take the interior space of tank body too much, described safety valve can be in described recycling can internal pressure above releasing pressure automatically after the certain limit.
Manhole 16 can be provided with on the sidewall of described recycling can,, all stop valve can be provided with on described low-temperature water heating pipe and the exhaust steam conveyance conduit to maintain easily.
The present invention is by the swabbing action of jet pump; with the exhaust steam sucking-off in the exhaust steam pipeline; after exhaust steam enters jet pump; mix with low-temperature water heating with elevated pressures from the low-temperature water heating pipe; flow into recycling can by jet exit; utilize the latent heat of vaporization of exhaust steam to heat for low-temperature water heating; low-temperature water heating after will heating by the condensed water in high temperature pump is again sent into the high-temperature-hot-water pipe network or is returned the low-temperature water heating pipe by return pipe; medium with lower pressure can be imported in the medium with elevated pressures and utilize once again; realized recycling thus to water resource in the exhaust steam and heat energy; not only help the protection of environment and resource, but also can bring direct economic benefit.

Claims (10)

1. low-temperature steam exhaust recovery device, it is characterized in that comprising recycling can and jet pump, described recycling can is provided with import and condensate water outlet, the jet exit of described jet pump connects the import of described recycling can, the jet import of described jet pump connects the low-temperature water heating pipe by water inlet pipe, the suction inlet of described jet pump connects the exhaust steam pipe network by the exhaust steam conveyance conduit, and the condensate water outlet of described recycling can connects the high-temperature-hot-water pipe network by outlet pipe.
2. low-temperature steam exhaust recovery device as claimed in claim 1 is characterized in that the exhaust steam in the described exhaust steam pipe network is that low temperature does not have pressure or low-temp low-pressure exhaust steam.
3. low-temperature steam exhaust recovery device as claimed in claim 2 is characterized in that it also comprises return pipe, and the water inlet of described return pipe connects described outlet pipe, and the delivery port of described return pipe connects described water inlet pipe or low-temperature water heating pipe.
4. low-temperature steam exhaust recovery device as claimed in claim 3 is characterized in that described return pipe is provided with stop valve.
5. low-temperature steam exhaust recovery device as claimed in claim 4, it is characterized in that the condensate water outlet of described recycling can is arranged on the bottom of described recycling can, the outlet pipe between the condensate water outlet of described recycling can and the water inlet of described return pipe is provided with the condensed water in high temperature pump.
6. low-temperature steam exhaust recovery device as claimed in claim 5 is characterized in that the outlet pipe between the water inlet of the condensate water outlet of described recycling can and described return pipe is parallel with exit branch, and described exit branch is provided with the condensed water in high temperature pump.
7. low-temperature steam exhaust recovery device as claimed in claim 6 is characterized in that the bottom of described recycling can is provided with blow-off pipe.
8. low-temperature steam exhaust recovery device as claimed in claim 7 is characterized in that described recycling can is provided with safety valve and air bleeding valve, and described safety valve and air bleeding valve are connected to the top of described recycling can by pipeline.
9. low-temperature steam exhaust recovery device as claimed in claim 8 is characterized in that described water inlet pipe is provided with water pump.
10. as claim 1,2,3,4,5,6,7,8 or 9 described low-temperature steam exhaust recovery devices, it is characterized in that the sidewall of described recycling can is provided with manhole, be equipped with stop valve on described low-temperature water heating pipe and the exhaust steam conveyance conduit.
CN 201010230132 2010-07-19 2010-07-19 Low-temperature steam exhaust recovery device Pending CN101886850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010230132 CN101886850A (en) 2010-07-19 2010-07-19 Low-temperature steam exhaust recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010230132 CN101886850A (en) 2010-07-19 2010-07-19 Low-temperature steam exhaust recovery device

Publications (1)

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CN101886850A true CN101886850A (en) 2010-11-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102146813A (en) * 2011-03-16 2011-08-10 李树生 Waste steam heating, pressurizing and recycling system
CN102692090A (en) * 2012-06-03 2012-09-26 仁化县奥达胶合板有限公司 Hot press cooling water recycling method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58151307A (en) * 1982-03-04 1983-09-08 Sumitomo Heavy Ind Ltd Method for utilizing low pressure steam exhausted from sulfur recovering plant
CN2818794Y (en) * 2005-08-10 2006-09-20 杨君廷 Self-adjusting water-jetting dead steam recovering device
CN201121882Y (en) * 2007-11-30 2008-09-24 北京市自动化系统成套工程公司 Hot water producing units using exhaust heat steam to producing hot water
CN101334241A (en) * 2008-08-01 2008-12-31 李树生 Vacuum waste steam reclamation and utilization system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58151307A (en) * 1982-03-04 1983-09-08 Sumitomo Heavy Ind Ltd Method for utilizing low pressure steam exhausted from sulfur recovering plant
CN2818794Y (en) * 2005-08-10 2006-09-20 杨君廷 Self-adjusting water-jetting dead steam recovering device
CN201121882Y (en) * 2007-11-30 2008-09-24 北京市自动化系统成套工程公司 Hot water producing units using exhaust heat steam to producing hot water
CN101334241A (en) * 2008-08-01 2008-12-31 李树生 Vacuum waste steam reclamation and utilization system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《西安交通大学学报》 20100131 严俊杰; 杨建军; 张朋飞; 李小龙; 李 低温乏汽回收利用装置的结构参数研究 第1-5页 1-10 第44卷, 第1期 2 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102146813A (en) * 2011-03-16 2011-08-10 李树生 Waste steam heating, pressurizing and recycling system
CN102146813B (en) * 2011-03-16 2013-11-06 李树生 Waste steam heating, pressurizing and recycling system
CN102692090A (en) * 2012-06-03 2012-09-26 仁化县奥达胶合板有限公司 Hot press cooling water recycling method

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Application publication date: 20101117