CN104848283A - Heat exchange and recovery balancing device saving energy through waste heat of steam condensate - Google Patents

Heat exchange and recovery balancing device saving energy through waste heat of steam condensate Download PDF

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Publication number
CN104848283A
CN104848283A CN201410566964.2A CN201410566964A CN104848283A CN 104848283 A CN104848283 A CN 104848283A CN 201410566964 A CN201410566964 A CN 201410566964A CN 104848283 A CN104848283 A CN 104848283A
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China
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pipe
heat
steam
water
hot air
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不公告发明人
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Qingdao Wanli Technology Co Ltd
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Qingdao Wanli Technology Co Ltd
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Priority to CN201410566964.2A priority Critical patent/CN104848283A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

Abstract

The invention discloses a heat exchange and recovery balancing device saving energy through the waste heat of steam condensate. The heat exchange and recovery balancing device mainly comprises a steam-water heat exchanger, a condensate recovery tank, a recovery frequency-conversion pump, a water supplement frequency-conversion pump, a heating circulation pump, a heat supply circulation pump and a control cabinet. A heat exchange coil, a column magnetic reversible level meter and a second temperature sensor are arranged in the condensate recovery tank, the inlet of the heat exchange coil is connected with a heating water distribution pipe, and the other end of the heating water distribution pipe is connected with a heat-supply water return pipe. The heating water distribution pipe is provided with the heating circulation pipe. The outlet of the heat exchange coil is connected with a heating water return pipe. The heat exchange and recovery balancing device has the advantages that the waste heat of the steam condensate can be fully utilized, the condensate can be recovered in time, energy conversion and recovery balance are facilitated, the energy conversation and emission reduction effect is good, and the economical efficiency and the practicality are high. The heat exchange and recovery balancing device can be widely applied to central heating systems adopting steam heat exchange and has high popularization value and economic and social benefits.

Description

The heat exchange utilizing steam condensed water waste heat energy-conservation and recovery bascule
Technical field
The present invention relates to heating energy-saving technical field, specifically a kind of heat exchange utilizing steam condensed water waste heat energy-conservation and recovery bascule.
Background technology
It is large that heat load due to steam source compares hot water, and it is also fast to take effect, and it is little that pipe network invests relative hot water, relates to heat exchange in vapor collection and be often employed in a lot of fields of industry with civil buildings.When utilizing steam source to concentrate heat exchange, steam can become condensed water after heat exchanger quantity of heat given up, after these condensed waters are discharged from heat exchanger at present, directly deliver to market often by condensate water recovery device and reclaim pipe network, some then directly discharges and causes significant wastage, because the temperature of steam condensate (SC) is general all at 60 DEG C ~ 80 DEG C, the even more high energy had reaches more than 90 DEG C, direct recovery is unfavorable for the UTILIZATION OF VESIDUAL HEAT IN of condensed water, by large for steam consumption quantity when causing heat exchange, energy consumption is high, runs uneconomical; And condensed water directly discharges and will certainly increase the production cost of steam and the significant wastage of condensation water residual heat.
Summary of the invention
The object of the present invention is to provide a kind of energy-conservation, efficient, economy and the good heat exchange utilizing steam condensed water waste heat energy-conservation of result of use and reclaim bascule.
The technical solution adopted for the present invention to solve the technical problems is: the heat exchange utilizing steam condensed water waste heat energy-conservation and recovery bascule are primarily of vapor-water heat exchanger, condensing hot air furnace tank, reclaim variable frequency pump, moisturizing variable frequency pump, heat cycles pump, heat circulation pump and switch board composition, the thermal source import of vapor-water heat exchanger is connected with steam pipe, the thermal source outlet of vapor-water heat exchanger is connected with condensed water outlet pipe, the other end of condensed water outlet pipe is connected with the condensing hot air furnace tank of setting, at condensing hot air furnace tank built with heat exchange coil, magnetic turning column liquid level meter and temperature sensor two is also provided with in condensing hot air furnace tank, steam pipe is equipped with steam temperature-sensing valve, steam pipe was provided with steam-flow meter before steam temperature-sensing valve, steam pipe was provided with filter one before steam-flow meter, steam pipe is provided with Pressure gauge one and thermometer one after steam temperature-sensing valve, condensed water outlet pipe is equipped with steam trap, condensed water outlet pipe was provided with thermometer two before steam trap, the secondary side import of vapor-water heat exchanger is connected with heat supply return pipe, the secondary side outlet of vapor-water heat exchanger is connected with for hot water supplying pipe, pressure sensor one and temperature sensor one is being provided with on hot water supplying pipe, heat supply return pipe is provided with filter two, heat supply return pipe is equiped with temperature sensor three in turn along water (flow) direction after filter two, check-valves one, pressure sensor three, heat circulation pump, check-valves two and Pressure gauge three, the water inlet of condensing hot air furnace tank is connected with filling pipe, and filling pipe is provided with magnetic valve one control water inlet, filling pipe is equipped with water softening device after magnetic valve one, the water outlet of condensing hot air furnace tank is connected with condensed water outlet pipe, again by condensed water outlet pipe respectively with condensing hot air furnace pipe and supplementing water pressure pipe, condensing hot air furnace pipe is used for condensing hot air furnace to reclaim pipe network to municipal administration, and on condensing hot air furnace pipe, recovery variable frequency pump is housed, condensing hot air furnace pipe is equiped with flow detector and pressure sensor two after recovery variable frequency pump, supplementing water pressure pipe is equipped with moisturizing variable frequency pump, the other end of supplementing water pressure pipe is connected with heat supply return pipe, and after supplementing water pressure pipe is connected to check-valves one, on heat supply return pipe before heat circulation pump, the heat exchange coil import be installed in condensing hot air furnace tank is connected with heating sparge pipe, the other end of heating sparge pipe is connected with heat supply return pipe, and heating is before sparge pipe is connected to check-valves one, on heat supply return pipe after filter two, heating sparge pipe is equipped with heat cycles pump, heating sparge pipe was equipped with magnetic valve two before heat cycles pump, heating sparge pipe is provided with Pressure gauge two after heat cycles pump, heat exchange coil outlet is connected with heating return pipe, the other end of heating return pipe is connected with heat supply return pipe, and heating is after return pipe is connected to check-valves one, on heat supply return pipe before heat circulation pump, heat supply return pipe is after check-valves one, also be provided with tapping pipe before heat circulation pump to be connected with condensing hot air furnace tank, and magnetic valve three tapping pipe is equipped with.
Described steam-flow meter, steam temperature-sensing valve, pressure sensor one, temperature sensor one, magnetic valve one, water softening device, magnetic turning column liquid level meter, temperature sensor two, pressure sensor two, flow detector, recovery variable frequency pump, moisturizing variable frequency pump, heat cycles pump, magnetic valve two, temperature sensor three, magnetic valve three, pressure sensor three and heat circulation pump separately cabling line are connected with switch board.
Described steam-flow meter uses steam flow amount for what measure steam pipe, and flow detector, for measuring condensing hot air furnace amount, is intended to control vapour and condensing hot air furnace balances, and is convenient to cost analysis.
Described water softening device is used for softening the filling pipe water inlet of condensing hot air furnace tank, to reduce Ca 2+, Mg 2+hardness.
Operation principle of the present invention is, during normal heat supply, steam enters vapor-water heat exchanger quantity of heat given up through steam pipe, and the circulating water heating flowed through in vapor-water heat exchanger is exported to the leaving water temperature for hot water supplying pipe setting, temperature sensor one detects for hot water supplying pipe temperature, pressure sensor one detects for hot water supplying pipe pressure, when temperature sensor one detects the leaving water temperature value supplying hot water supplying pipe temperature lower than setting, large steam pipe flow opened by steam temperature-sensing valve, until standard-sized sheet, when temperature sensor one detects the leaving water temperature value supplying hot water supplying pipe temperature higher than setting, steam temperature-sensing valve turns down steam pipe flow, until close, thus make to maintain in the leaving water temperature value of setting all the time for hot water supplying pipe temperature, vapor stream is after vapor-water heat exchanger simultaneously, condensed water will be become, and condensed water enters the storage of condensing hot air furnace tank by condensed water outlet pipe after steam trap, magnetic turning column liquid level meter detects condensing hot air furnace tank water level, and be provided with high water level point, low water level point and lack of water water level point, when magnetic turning column liquid level meter detect condensing hot air furnace tank water level be in high water level point and above time, start and reclaim variable frequency pump, reclaim variable frequency pump relative to pressure sensor two, the condensed water frequency-changing pressure stabilizing in condensing hot air furnace tank to be exported, when magnetic turning column liquid level meter detect condensing hot air furnace tank water level be in low water level point and following time, recovery variable frequency pump stops, when magnetic turning column liquid level meter detect condensing hot air furnace tank water level be in lack of water water level point and following time, recovery variable frequency pump in out of service,
Temperature sensor two detects condensing hot air furnace tank temperature, temperature sensor three detects heat supply return pipe temperature, when temperature sensor two detects that condensing hot air furnace tank temperature detects heat supply return pipe temperature more than 5 DEG C higher than temperature sensor three, magnetic valve two is opened, heat cycles pump startup, a recirculated water part in heat supply return pipe flows through heating sparge pipe, magnetic valve two, heat cycles pump, heat exchange coil, heat supply return pipe is back to after heating return pipe, condensing hot air furnace tank temperature reduces, when temperature sensor two detects that condensing hot air furnace tank temperature detects within heat supply return pipe temperature 2 DEG C higher than temperature sensor three, heat cycles pump stops, magnetic valve two cuts out,
Pressure sensor three detects heating cycle pump suction supply pressure, and be provided with backwater constant voltage value, super-pressure force value and anhydrous force value three control points, and the anhydrous force value preferably 0.1 ~ 0.2MPa of setting, when pressure sensor three detects heating cycle pump suction supply pressure lower than the backwater constant voltage value set, moisturizing variable frequency pump starts and frequency-changing pressure stabilizing moisturizing automatically, be stabilized in the backwater constant voltage value of setting to keep heating cycle pump suction supply pressure, and when heating cycle pump suction supply pressure is stabilized in the backwater constant voltage value of setting, and when maintaining 30s ~ 60s, moisturizing variable frequency pump is shut down and is entered dormancy holding state, when pressure sensor three detects the backwater constant voltage value of heating cycle pump suction supply pressure higher than setting, and reach setting super-pressure force value and above time, magnetic valve three opens sluicing automatically, pressure release, when heating cycle pump suction supply pressure returns to the backwater constant voltage value of setting, magnetic valve three cuts out, when pressure sensor three detects heating cycle pump suction supply pressure lower than the anhydrous force value set, the heat circulation pump stoppage protection run, until pressure sensor three detect heating cycle pump suction supply pressure return to setting backwater constant voltage value and above time, heat circulation pump recovers normal automatically.When moisturizing variable frequency pump is fetched water operation in condensing hot air furnace tank, magnetic turning column liquid level meter detect condensing hot air furnace tank water level be in setting lack of water water level point and following time, moisturizing variable frequency pump in out of service is also reported to the police, the low water level point that water recovery tank water level rezime to be condensed sets to magnetic turning column liquid level meter and above time, lack of water is reported to the police and is eliminated, and moisturizing variable frequency pump recovers normal condition.
When debugging first, condensing hot air furnace tank provides water source by filling pipe, and magnetic valve one is opened, and water softening device obtains electric operation, and the variable frequency pump of moisturizing is simultaneously fetched water in condensing hot air furnace tank, and carries out water filling to heat supply return pipe, vapor-water heat exchanger and confession hot water supplying pipe.In the injecting process, when condensing hot air furnace tank water level decreasing is to the low water level point set, magnetic valve one is opened, water softening device obtain electric prepare demineralized water enter condensing hot air furnace tank supplement, when condensing hot air furnace tank water level rise to setting high water level point and above time, magnetic valve one cuts out, and water softening device dead electricity is shut down; When pressure sensor three detects that heating cycle pump suction supply pressure reaches the backwater constant voltage value of setting; magnetic valve one cuts out; water softening device dead electricity is shut down, and steam temperature-sensing valve is opened, and steam enters vapor-water heat exchanger through steam pipe; steam becomes condensed water; and flowing into the storage of condensing hot air furnace tank, system will enter normal Heating State, and in the normal heat supplying process of vapor-water heat exchanger; magnetic valve one cuts out all the time, and water softening device is in dead electricity stopped status.
The invention has the beneficial effects as follows, the present invention can make full use of steam condensed water waste heat and reclaim in time condensed water, be conducive to energy-conservation and reclaim balance, and effects of energy saving and emission reduction is good, economical and practical, extensively can be suitable for adopting vapor heated central heating system, and there are good promotional value and economic and social benefits.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
In figure, 1, steam pipe, 2, filter one, 3, steam-flow meter, 4, steam temperature-sensing valve, 5, Pressure gauge one, 6, thermometer one, 7, vapor-water heat exchanger, 8, condensed water outlet pipe, 9, steam trap, 10, thermometer two, 11, pressure sensor one, 12, temperature sensor one, 13, for hot water supplying pipe, 14, magnetic valve one, 15, filling pipe, 16, water softening device, 17, magnetic turning column liquid level meter, 18, temperature sensor two, 19, pressure sensor two, 20, flow detector, 21, condensing hot air furnace pipe, 22, heat exchange coil, 23, condensing hot air furnace tank, 24, reclaim variable frequency pump, 25, condensed water outlet pipe, 26, supplementing water pressure pipe, 27, Pressure gauge two, 28, heating sparge pipe, 29, moisturizing variable frequency pump, 30, heat cycles pump, 31, magnetic valve two, 32, temperature sensor three, 33, filter two, 34, heat supply return pipe, 35, check-valves one, 36, heating return pipe, 37, magnetic valve three, 38, tapping pipe, 39, pressure sensor three, 40, heat circulation pump, 41, check-valves two, 43, Pressure gauge three, 44, switch board.
Detailed description of the invention
With regard to accompanying drawing 1, the heat exchange utilizing steam condensed water waste heat energy-conservation of the present invention and recovery bascule are described in detail below below.
As shown in Figure 1, the heat exchange utilizing steam condensed water waste heat energy-conservation of the present invention and recovery bascule are primarily of vapor-water heat exchanger 7, condensing hot air furnace tank 23, reclaim variable frequency pump 24, moisturizing variable frequency pump 29, heat cycles pump 30, heat circulation pump 40 and switch board 44 form, the thermal source import of vapor-water heat exchanger 7 is connected with steam pipe 1, the thermal source outlet of vapor-water heat exchanger 7 is connected with condensed water outlet pipe 8, the other end of condensed water outlet pipe 8 is connected with the condensing hot air furnace tank 23 of setting, at condensing hot air furnace tank 23 built with heat exchange coil 22, magnetic turning column liquid level meter 17 and temperature sensor 2 18 is also provided with in condensing hot air furnace tank 23, steam pipe 1 is equipped with steam temperature-sensing valve 4, steam pipe 1 was provided with steam-flow meter 3 before steam temperature-sensing valve 4, steam pipe 1 was provided with filter 1 before steam-flow meter 3, steam pipe 1 is provided with Pressure gauge 1 and thermometer 1 after steam temperature-sensing valve 4, condensed water outlet pipe 8 is equipped with steam trap 9, condensed water outlet pipe 8 was provided with thermometer 2 10 before steam trap 9, the secondary side import of vapor-water heat exchanger 7 is connected with heat supply return pipe 34, the secondary side outlet of vapor-water heat exchanger 7 is connected with for hot water supplying pipe 13, pressure sensor 1 and temperature sensor 1 is being provided with on hot water supplying pipe 13, heat supply return pipe 34 is provided with filter 2 33, heat supply return pipe 34 is equiped with temperature sensor 3 32 in turn along water (flow) direction after filter 2 33, check-valves 1, pressure sensor 3 39, heat circulation pump 40, check-valves 2 41 and Pressure gauge 3 42, condensing hot air furnace tank 23 water inlet is connected with filling pipe 15, and filling pipe 15 is provided with magnetic valve 1 control water inlet, filling pipe 15 is equipped with water softening device 16 after magnetic valve 1, condensing hot air furnace tank 23 water outlet is connected with condensed water outlet pipe 25, again by condensed water outlet pipe 25 respectively with condensing hot air furnace pipe 21 and supplementing water pressure pipe 26, condensing hot air furnace pipe 21 is for reclaiming pipe network by condensing hot air furnace to municipal administration, and recovery variable frequency pump 24 is housed on condensing hot air furnace pipe 21, condensing hot air furnace pipe 21 is equiped with flow detector 20 and pressure sensor 2 19 after recovery variable frequency pump 24, supplementing water pressure pipe 26 is equipped with moisturizing variable frequency pump 29, the other end of supplementing water pressure pipe 26 is connected with heat supply return pipe 34, and after supplementing water pressure pipe 26 is connected to check-valves 1, on heat supply return pipe 34 before heat circulation pump 40, heat exchange coil 22 import be installed in condensing hot air furnace tank 23 is connected with heating sparge pipe 28, the other end of heating sparge pipe 28 is connected with heat supply return pipe 34, and heating is before sparge pipe 28 is connected to check-valves 1, on heat supply return pipe 34 after filter 2 33, heating sparge pipe 28 is equipped with heat cycles pump 30, heating sparge pipe 28 was equipped with magnetic valve 2 31 before heat cycles pump 30, heating sparge pipe 28 is provided with Pressure gauge 2 27 after heat cycles pump 30, heat exchange coil 22 exports and is connected with heating return pipe 36, the other end of heating return pipe 36 is connected with heat supply return pipe 34, and heating is after return pipe 36 is connected to check-valves 1, on heat supply return pipe 34 before heat circulation pump 40, heat supply return pipe 34 is after check-valves 1, also be provided with tapping pipe 38 before heat circulation pump 40 to be connected with condensing hot air furnace tank 23, and tapping pipe 38 is equipped with magnetic valve 3 37.
Described steam-flow meter 3, steam temperature-sensing valve 4, pressure sensor 1, temperature sensor 1, magnetic valve 1, water softening device 16, magnetic turning column liquid level meter 17, temperature sensor 2 18, pressure sensor 2 19, flow detector 20, recovery variable frequency pump 24, moisturizing variable frequency pump 29, heat cycles pump 30, magnetic valve 2 31, temperature sensor 3 32, magnetic valve 3 37, pressure sensor 3 39 and heat circulation pump 40 separately cabling line 43 are connected with switch board 44.
Described steam-flow meter 3 uses steam flow amount for what measure steam pipe 1, and flow detector 20, for measuring condensing hot air furnace amount, is intended to control vapour and condensing hot air furnace balances, and is convenient to cost analysis.
Described water softening device 16 is for softening filling pipe 15 water inlet of condensing hot air furnace tank 23, to reduce Ca 2+, Mg 2+hardness.
Operation principle of the present invention is, during normal heat supply, steam enters vapor-water heat exchanger 7 quantity of heat given up through steam pipe 1, and the circulating water heating flowed through in vapor-water heat exchanger 7 is exported to the leaving water temperature set for hot water supplying pipe 13, temperature sensor 1 detects for hot water supplying pipe 13 temperature, pressure sensor 1 detects for hot water supplying pipe 13 pressure, when temperature sensor 1 detects the leaving water temperature value supplying hot water supplying pipe 13 temperature lower than setting, large steam pipe 1 flow opened by steam temperature-sensing valve 4, until standard-sized sheet, when temperature sensor 1 detects the leaving water temperature value supplying hot water supplying pipe 13 temperature higher than setting, steam temperature-sensing valve 4 turns down steam pipe 1 flow, until close, thus make to maintain in the leaving water temperature value of setting all the time for hot water supplying pipe 13 temperature, vapor stream is after vapor-water heat exchanger 7 simultaneously, condensed water will be become, and condensed water enters condensing hot air furnace tank 23 by condensed water outlet pipe 8 after steam trap 9 stores, the magnetic turning column liquid level meter 17 being installed in condensing hot air furnace tank 23 detects condensing hot air furnace tank 23 water level, and be provided with high water level point, low water level point and lack of water water level point, when magnetic turning column liquid level meter 17 detect condensing hot air furnace tank 23 water level be in high water level point and above time, start and reclaim variable frequency pump 24, reclaim variable frequency pump 24 and export the condensed water frequency-changing pressure stabilizing in condensing hot air furnace tank 23 to municipal administration recovery pipe network relative to pressure sensor 2 19, when magnetic turning column liquid level meter 17 detect condensing hot air furnace tank 23 water level be in low water level point and following time, reclaim variable frequency pump 24 to stop, when magnetic turning column liquid level meter 17 detect condensing hot air furnace tank 23 water level be in lack of water water level point and following time, recovery variable frequency pump 24 in out of service,
Temperature sensor 2 18 detects condensing hot air furnace tank 23 temperature, temperature sensor 3 32 detects heat supply return pipe 34 temperature, when temperature sensor 2 18 detects that condensing hot air furnace tank 23 temperature detects heat supply return pipe 34 temperature more than 5 DEG C higher than temperature sensor 3 32, magnetic valve 2 31 is opened, heat cycles pump 30 starts, a recirculated water part in heat supply return pipe 34 flows through heating sparge pipe 28, magnetic valve 2 31, heat cycles pump 30, heat exchange coil 22, heat supply return pipe 34 is back to after heating return pipe 36, condensing hot air furnace tank 23 temperature reduces, when temperature sensor 2 18 detects that condensing hot air furnace tank 23 temperature detects within heat supply return pipe 34 temperature 2 DEG C higher than temperature sensor 3 32, heat cycles pump 30 stops, magnetic valve 2 31 cuts out,
Pressure sensor 3 39 detects heat circulation pump 40 intake pressure, and be provided with backwater constant voltage value, super-pressure force value and anhydrous force value three control points, and the anhydrous force value preferably 0.1 ~ 0.2MPa of setting, when pressure sensor 3 39 detects heat circulation pump 40 intake pressure lower than the backwater constant voltage value set, moisturizing variable frequency pump 29 starts and frequency-changing pressure stabilizing moisturizing automatically, be stabilized in the backwater constant voltage value of setting to keep heat circulation pump 40 intake pressure, and when heat circulation pump 40 intake pressure is stabilized in the backwater constant voltage value of setting, and when maintaining 30s ~ 60s, dormancy holding state is shut down and entered to moisturizing variable frequency pump 29, when pressure sensor 3 39 detects the backwater constant voltage value of heat circulation pump 40 intake pressure higher than setting, and reach setting super-pressure force value and above time, magnetic valve 3 37 opens sluicing automatically, pressure release, when heat circulation pump 40 intake pressure returns to the backwater constant voltage value of setting, magnetic valve 3 37 cuts out, when pressure sensor 3 39 detects heat circulation pump 40 intake pressure lower than the anhydrous force value set, heat circulation pump 40 stoppage protection run, until pressure sensor 3 39 detect heat circulation pump 40 intake pressure return to setting backwater constant voltage value and above time, heat circulation pump 40 recovers normal automatically.When moisturizing variable frequency pump 29 is fetched water operation in condensing hot air furnace tank 23, magnetic turning column liquid level meter 17 detect condensing hot air furnace tank 23 water level be in setting lack of water water level point and following time, moisturizing variable frequency pump 29 in out of service is also reported to the police, the low water level point that water recovery tank 23 water level rezime to be condensed sets to magnetic turning column liquid level meter 17 and above time, lack of water is reported to the police and is eliminated, and moisturizing variable frequency pump 29 recovers normal condition.
When debugging first, condensing hot air furnace tank 23 provides water source by filling pipe 15, and magnetic valve 1 is opened, and water softening device 16 obtains electric operation, the variable frequency pump of moisturizing simultaneously 29 from water intaking in condensing hot air furnace tank 23, and carries out water filling to heat supply return pipe 34, vapor-water heat exchanger 7 and confession hot water supplying pipe 13.In the injecting process, when condensing hot air furnace tank 23 water level decreasing is to the low water level point set, magnetic valve 1 is opened, water softening device 16 electric demineralized water of preparing enters condensing hot air furnace tank 23 and supplements, when condensing hot air furnace tank 23 water level rise to setting high water level point and above time, magnetic valve 1 cuts out, and water softening device 16 dead electricity is shut down; When pressure sensor 3 39 detects that heat circulation pump 40 intake pressure reaches the backwater constant voltage value of setting; magnetic valve 1 cuts out; water softening device 16 dead electricity is shut down, and steam temperature-sensing valve 4 is opened, and steam enters vapor-water heat exchanger 7 through steam pipe 1; steam becomes condensed water; and flow into condensing hot air furnace tank 23 and store, system will enter normal Heating State, and in the normal heat supplying process of vapor-water heat exchanger 7; magnetic valve 1 cuts out all the time, and water softening device 16 is in dead electricity stopped status.

Claims (7)

1. the heat exchange utilizing steam condensed water waste heat energy-conservation and recovery bascule are primarily of vapor-water heat exchanger, condensing hot air furnace tank, reclaim variable frequency pump, moisturizing variable frequency pump, heat cycles pump, heat circulation pump and switch board composition, the thermal source import of vapor-water heat exchanger is connected with steam pipe, the thermal source outlet of vapor-water heat exchanger is connected with condensed water outlet pipe, the other end of condensed water outlet pipe and the condensing hot air furnace tank of setting, it is characterized in that, at condensing hot air furnace tank built with heat exchange coil, magnetic turning column liquid level meter and temperature sensor two is also provided with in condensing hot air furnace tank, the secondary side import of vapor-water heat exchanger is connected with heat supply return pipe, heat supply return pipe is provided with filter two, heat supply return pipe is equiped with temperature sensor three in turn along water (flow) direction after filter two, check-valves one, pressure sensor three, heat circulation pump, check-valves two and Pressure gauge three, the heat exchange coil import be installed in condensing hot air furnace tank is connected with heating sparge pipe, the other end of heating sparge pipe is connected with heat supply return pipe, and heating is before sparge pipe is connected to check-valves one, on heat supply return pipe after filter two, heating sparge pipe is equipped with heat cycles pump, heat exchange coil outlet is connected with heating return pipe, the other end of heating return pipe is connected with heat supply return pipe, and heating is after return pipe is connected to check-valves one, on heat supply return pipe before heat circulation pump, heat supply return pipe is after check-valves one, also be provided with relief tube before heat circulation pump to be connected with condensing hot air furnace tank, and magnetic valve three relief tube is equipped with.
2. the heat exchange utilizing steam condensed water waste heat energy-conservation according to claim 1 and recovery bascule, it is characterized in that, steam pipe is equipped with steam temperature-sensing valve, steam pipe was provided with steam-flow meter before steam temperature-sensing valve, steam pipe was provided with filter one before steam-flow meter, and steam pipe is provided with Pressure gauge one and thermometer one after steam temperature-sensing valve.
3. the heat exchange utilizing steam condensed water waste heat energy-conservation according to claim 1 and recovery bascule, it is characterized in that, condensed water outlet pipe is equipped with steam trap, and condensed water outlet pipe was provided with thermometer two before steam trap.
4. the heat exchange utilizing steam condensed water waste heat energy-conservation according to claim 1 and recovery bascule, it is characterized in that, the secondary side outlet of vapor-water heat exchanger is connected with for hot water supplying pipe, is being provided with pressure sensor one and temperature sensor one on hot water supplying pipe.
5. the heat exchange utilizing steam condensed water waste heat energy-conservation according to claim 1 and recovery bascule, it is characterized in that, the water inlet of condensing hot air furnace tank is connected with filling pipe, and filling pipe is provided with magnetic valve one, and filling pipe is equipped with water softening device after magnetic valve one.
6. the heat exchange utilizing steam condensed water waste heat energy-conservation according to claim 1 and recovery bascule, it is characterized in that, the water outlet of condensing hot air furnace tank is connected with condensed water outlet pipe, again by condensed water outlet pipe respectively with condensing hot air furnace pipe and supplementing water pressure pipe, and on condensing hot air furnace pipe, recovery variable frequency pump is housed, condensing hot air furnace pipe is equiped with flow detector and pressure sensor two after recovery variable frequency pump, supplementing water pressure pipe is equipped with moisturizing variable frequency pump, the other end of supplementing water pressure pipe is connected with heat supply return pipe, and after supplementing water pressure pipe is connected to check-valves one, on heat supply return pipe before heat circulation pump.
7. the heat exchange utilizing steam condensed water waste heat energy-conservation according to claim 1 and recovery bascule, it is characterized in that, heating sparge pipe was equipped with magnetic valve two before heat cycles pump, and heating sparge pipe is provided with Pressure gauge two after heat cycles pump.
CN201410566964.2A 2014-10-23 2014-10-23 Heat exchange and recovery balancing device saving energy through waste heat of steam condensate Pending CN104848283A (en)

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CN201410566964.2A CN104848283A (en) 2014-10-23 2014-10-23 Heat exchange and recovery balancing device saving energy through waste heat of steam condensate

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Application Number Priority Date Filing Date Title
CN201410566964.2A CN104848283A (en) 2014-10-23 2014-10-23 Heat exchange and recovery balancing device saving energy through waste heat of steam condensate

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105359823A (en) * 2015-10-28 2016-03-02 江苏久禾生物科技发展有限公司 Steam type heat supply system for mushroom fruiting rooms and application method for same
CN110332580A (en) * 2019-07-09 2019-10-15 山东省环能设计院股份有限公司 Secondary station steam-water heat exchanging condensed-water recovering device and recovery method
CN112179018A (en) * 2020-10-19 2021-01-05 重庆市合川区麒麟畜产品有限责任公司 Food refrigeration system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105359823A (en) * 2015-10-28 2016-03-02 江苏久禾生物科技发展有限公司 Steam type heat supply system for mushroom fruiting rooms and application method for same
CN110332580A (en) * 2019-07-09 2019-10-15 山东省环能设计院股份有限公司 Secondary station steam-water heat exchanging condensed-water recovering device and recovery method
CN112179018A (en) * 2020-10-19 2021-01-05 重庆市合川区麒麟畜产品有限责任公司 Food refrigeration system

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