CN104848286A - Energy saving system of steam-water heat exchange station - Google Patents
Energy saving system of steam-water heat exchange station Download PDFInfo
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- CN104848286A CN104848286A CN201410561372.1A CN201410561372A CN104848286A CN 104848286 A CN104848286 A CN 104848286A CN 201410561372 A CN201410561372 A CN 201410561372A CN 104848286 A CN104848286 A CN 104848286A
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Abstract
The invention discloses an energy saving system of a steam-water heat exchange station. The system mainly consists of a steam-water heat exchanger, a condensed water storage tank, an inner circulating pump, a water replenishment variable-frequency pump, a heating circulation pump and a control cabinet, wherein a heat source inlet of the steam-water heat exchanger is connected with a steam pipe; a heat source outlet of the steam-water heat exchanger is connected with a condensed water outlet pipe; the other end of the condensed water outlet pipe is connected with the condensed water storage tank; a heating water return pipe is connected with a heating water inlet pipe; the other end of the heating water inlet pipe is connected with the condensed water storage tank; a heat exchange coil is arranged in the condensed water storage tank; the heating water inlet pipe is connected with an inlet of the heat exchange coil; an outlet of the heat exchange coil is connected with a heating water outlet pipe; the heating water outlet pipe is connected with a heating water return pipe; and outlet water of the condensed water storage tank is respectively connected with a condensed water recovery pipe and a water replenishment pressure pipe. The system can fully use steam condensed water afterheat, so that the system has the beneficial effects of possession of energy saving and emission reducing effects, complete system configurations, perfect protective function, low heating cost and good use effect.
Description
Technical field
The present invention relates to heat exchange station field of energy-saving technology, specifically a kind of steam-water heat exchange station energy conserving system.
Background technology
Steam in steam-water heat exchange station can become condensed water after heat exchanger, after these condensed waters are discharged from heat exchanger at present, directly thermal substation is recovered to often by condensate water recovery device, but 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, when direct recovery is then unfavorable for the UTILIZATION OF VESIDUAL HEAT IN of heat exchange station to steam condensate (SC), will cause that steam consumption quantity is large, energy consumption is high, run uneconomical.
Summary of the invention
The object of the present invention is to provide a kind of steam-water heat exchange station energy conserving system that can effectively utilize steam-condensation water surplus energy-conservation.
The technical solution adopted for the present invention to solve the technical problems is: a kind of steam-water heat exchange station energy conserving system is primarily of steam temperature-sensing valve, vapor-water heat exchanger, steam trap, reclaim variable frequency pump, condensed water storage tank, internal circulation pump, moisturizing variable frequency 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 condensed water storage tank, steam pipe is equipped with steam temperature-sensing valve, steam pipe was provided with filter one before steam temperature-sensing valve, 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 pressurization water inlet pipe, pressurization water inlet pipe is connected with heat supply return pipe again, and pressurization water inlet pipe is provided with Pressure gauge two, 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 safety valve in turn along water (flow) direction after filter two, temperature sensor two, pressure sensor three, check-valves one, pressure sensor four and heat circulation pump, heat circulation pump water outlet is connected with the pressurization water inlet pipe of vapor-water heat exchanger, heat supply return pipe is also connected with heating water inlet pipe between pressure sensor three and check-valves one, the other end of heating water inlet pipe is connected with condensed water storage tank, heat exchange coil is provided with in condensed water storage tank, heating water inlet pipe is connected with the import of heat exchange coil, heat exchange coil outlet is connected with heating outlet pipe, heating outlet pipe is connected with heat supply return pipe again, and heating outlet pipe is connected between the check-valves one of heat supply return pipe and pressure sensor four, level sensor and temperature sensor three is also provided with in condensed water storage tank, the water inlet of condensed water storage tank is also 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 condensed water storage tank is connected with condensing hot air furnace pipe and supplementing water pressure pipe respectively, supplementing water pressure Guan Zaiyu heat supply return pipe connects, and supplementing water pressure pipe be connected to heat circulation pump before heat supply return pipe on, condensing hot air furnace pipe is equipped with recovery variable frequency pump, condensing hot air furnace pipe is provided with pressure sensor two after recovery variable frequency pump, supplementing water pressure pipe is equipped with moisturizing variable frequency pump, also tapping pipe is connected with at heat supply return pipe, the other end of tapping pipe is connected with condensed water storage tank, tapping pipe is provided with magnetic valve two, walk around heat circulation pump to be also provided with bypass pipe and to be connected with heat supply return pipe and the water inlet pipe that pressurizes respectively, and on bypass pipe, be provided with check-valves two.
Described steam temperature-sensing valve, pressure sensor one, temperature sensor one, water softening device, magnetic valve one, level sensor, recovery variable frequency pump, pressure sensor two, temperature sensor two, pressure sensor three, internal circulation pump, temperature sensor three, pressure sensor four, moisturizing variable frequency pump, magnetic valve two and heat circulation pump separately cabling line are connected with switch board, also separately communication interface is provided with in switch board, described communication interface is used for remote monitoring and connects, and also can be connected with upper machine communication.
Described water softening device is used for softening the filling pipe water inlet of condensed water storage 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 condensed water storage tank by condensed water outlet pipe after steam trap, level sensor detects condensed water water storage tank water level, and be provided with high water level point, low water level point and lack of water water level point, when level sensor detect condensed water water storage 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 condensed water storage tank to be exported, when level sensor detect condensed water water storage tank water level be in low water level point and following time, recovery variable frequency pump stops, when level sensor detect condensed water water storage 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 heat supply return pipe temperature, temperature sensor three detects condensed water storage tank temperature, when temperature sensor three detects that condensed water storage tank temperature detects heat supply return pipe temperature more than 5 DEG C higher than temperature sensor two, internal circulation pump starts, a recirculated water part in heat supply return pipe flows through heating water inlet pipe, internal circulation pump, heat exchange coil, heat supply return pipe is back to after heating outlet pipe, condensed water storage tank temperature reduces, when temperature sensor three detects that condensed water storage tank temperature detects within heat supply return pipe temperature 2 DEG C higher than temperature sensor two, internal circulation pump stops, pressure sensor three and pressure sensor four detect heat supply return pipe pressure respectively, when pressure sensor three detects heat supply return pipe pressure lower than the anhydrous force value set, the internal circulation pump stoppage protection run, treat pressure sensor three detect heat supply return pipe pressure higher than setting anhydrous force value and more than, internal circulation pump recovers normal automatically, when pressure sensor four detects heat supply return pipe pressure lower than the backwater constant voltage value set, moisturizing variable frequency pump automatically starts and implements frequency-changing pressure stabilizing moisturizing to heat supply return pipe, to keep heat supply return pipe pressure stability in the backwater constant voltage value of setting, and when heat supply return pipe pressure stability is 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 four detects the constant voltage value of heat supply return pipe pressure higher than setting, and reach setting super-pressure force value and above time, magnetic valve two opens sluicing automatically, pressure release, when heat supply return pipe pressure recover is to the backwater constant voltage value set, magnetic valve two cuts out, moisturizing variable frequency pump is fetched water in condensed water storage tank, when level sensor detect condensed water water storage 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, water water storage tank water level to be condensed return to setting low water level point 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, condensed water storage 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 condensed water storage 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 condensed water water storage tank water level drops to the low water level point of setting, magnetic valve one is opened, and water softening device obtains electric, when condensed water water storage tank water level rise to setting high water level point and above time, magnetic valve one cuts out, water softening device dead electricity.When pressure sensor four detects that heat supply return pipe pressure reaches the backwater constant voltage value of setting, magnetic valve one cuts out, water softening device dead electricity, 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 condensed water storage tank, system will enter normal Heating State, and in the normal heat supplying process of vapor-water heat exchanger, magnetic valve one closed condition all the time, water softening device dead electricity.
The invention has the beneficial effects as follows, the present invention can make full use of steam condensed water waste heat, has effects of energy saving and emission reduction, and system configuration is complete, and defencive function is perfect, and heat cost is low, and result of use is good.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
In figure, 1, steam pipe, 2, filter one, 3, steam temperature-sensing valve, 4, Pressure gauge one, 5, thermometer one, 6, vapor-water heat exchanger, 7, condensed water outlet pipe, 8, steam trap, 9, thermometer two, 10, pressure sensor one, 11, temperature sensor one, 12, for hot water supplying pipe, 13, water softening device, 14, magnetic valve one, 15, filling pipe, 16, level sensor, 17, reclaim variable frequency pump, 18, pressure sensor two, 19, condensing hot air furnace pipe, 20, heat supply return pipe, 21, filter two, 22, safety valve, 23, temperature sensor two, 24, pressure sensor three, 25, heat exchange coil, 26, condensed water storage tank, 27, internal circulation pump, 28, heating water inlet pipe, 29, check-valves one, 30, temperature sensor three, 31, heating outlet pipe, 32, pressure sensor four, 33, moisturizing variable frequency pump, 34, supplementing water pressure pipe, 35, cable, 36, magnetic valve two, 37, tapping pipe, 38, bypass pipe, 39, heat circulation pump, 40, check-valves two, 41, Pressure gauge two, 42, pressurization water inlet pipe, 43, communication interface, 44, switch board.
Detailed description of the invention
With regard to accompanying drawing 1, a kind of steam-water heat exchange station energy conserving system of the present invention is described in detail below below.
As shown in Figure 1, a kind of steam-water heat exchange station energy conserving system of the present invention is primarily of steam temperature-sensing valve 3, vapor-water heat exchanger 6, steam trap 8, reclaim variable frequency pump 17, condensed water storage tank 26, internal circulation pump 27, moisturizing variable frequency pump 33, heat circulation pump 39 and switch board 44 form, the thermal source import of vapor-water heat exchanger 6 is connected with steam pipe 1, the thermal source outlet of vapor-water heat exchanger 6 is connected with condensed water outlet pipe 7, the other end of condensed water outlet pipe 7 is connected with condensed water storage tank 26, steam pipe 1 is equipped with steam temperature-sensing valve 3, steam pipe 1 was provided with filter 1 before steam temperature-sensing valve 3, steam pipe 1 is provided with Pressure gauge 1 and thermometer 1 after steam temperature-sensing valve 3, condensed water outlet pipe 7 is equipped with steam trap 8, condensed water outlet pipe 7 was provided with thermometer 29 before steam trap 8, the secondary side import of vapor-water heat exchanger 6 is connected with pressurization water inlet pipe 42, pressurization water inlet pipe 42 is connected with heat supply return pipe 20 again, and pressurization water inlet pipe 42 is provided with Pressure gauge 2 41, the secondary side outlet of vapor-water heat exchanger 6 is connected with for hot water supplying pipe 12, pressure sensor 1 and temperature sensor 1 is being provided with on hot water supplying pipe 12, heat supply return pipe 20 is provided with filter 2 21, heat supply return pipe 20 is equiped with safety valve 22 in turn along water (flow) direction after filter 2 21, temperature sensor 2 23, pressure sensor 3 24, check-valves 1, pressure sensor 4 32 and heat circulation pump 39, heat circulation pump 39 water outlet is connected with the pressurization water inlet pipe 42 of vapor-water heat exchanger 6, heat supply return pipe 20 is also connected with and heats water inlet pipe 28 between pressure sensor 3 24 and check-valves 1, the other end of heating water inlet pipe 28 is connected with condensed water storage tank 26, heat exchange coil 25 is provided with in condensed water storage tank 26, heating water inlet pipe 28 is connected with the import of heat exchange coil 25, heat exchange coil 25 exports and is connected with heating outlet pipe 31, heating outlet pipe 31 is connected with heat supply return pipe 20 again, and heating outlet pipe 31 is connected between the check-valves 1 of heat supply return pipe 20 and pressure sensor 4 32, level sensor 16 and temperature sensor 3 30 is also provided with in condensed water storage tank 26, condensed water storage tank 26 is intake and is also 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 13 after magnetic valve 1, condensed water storage tank 26 water outlet is connected with condensing hot air furnace pipe 19 and supplementing water pressure pipe 34 respectively, supplementing water pressure pipe 34 is connected with heat supply return pipe 20 again, and supplementing water pressure pipe 34 is connected on the heat supply return pipe 20 before heat circulation pump 39, condensing hot air furnace pipe 19 is equipped with and reclaims variable frequency pump 17, condensing hot air furnace pipe 19 is provided with pressure sensor 2 18 after recovery variable frequency pump 17, supplementing water pressure pipe 34 is equipped with moisturizing variable frequency pump 33, tapping pipe 37 is also connected with at heat supply return pipe 20, the other end of tapping pipe 37 is connected with condensed water storage tank 26, tapping pipe 37 is provided with magnetic valve 2 36, walk around heat circulation pump 39 to be also provided with bypass pipe 38 and to be connected with heat supply return pipe 20 and the water inlet pipe 42 that pressurizes respectively, and check-valves 2 40 is provided with on bypass pipe 38.
Described steam temperature-sensing valve 3, pressure sensor 1, temperature sensor 1, water softening device 13, magnetic valve 1, level sensor 16, recovery variable frequency pump 17, pressure sensor 2 18, temperature sensor 2 23, pressure sensor 3 24, internal circulation pump 27, temperature sensor 3 30, pressure sensor 4 32, moisturizing variable frequency pump 33, magnetic valve 2 36 and heat circulation pump 39 separately cabling line 35 are connected with switch board 44, also communication interface 43 is separately provided with in switch board 44, described communication interface 43 connects for remote monitoring, also can be connected with upper machine communication.
Described water softening device 13 is for softening filling pipe 15 water inlet of condensed water storage tank 26, to reduce Ca
2+, Mg
2+hardness.
Operation principle of the present invention is, during normal heat supply, steam enters vapor-water heat exchanger 6 quantity of heat given up through steam pipe 1, and the circulating water heating flowed through in vapor-water heat exchanger 6 is exported to the leaving water temperature set for hot water supplying pipe 12, temperature sensor 1 detects for hot water supplying pipe 12 temperature, pressure sensor 1 detects for hot water supplying pipe 12 pressure, when temperature sensor 1 detects the leaving water temperature value supplying hot water supplying pipe 12 temperature lower than setting, large steam pipe 1 flow opened by steam temperature-sensing valve 3, until standard-sized sheet, when temperature sensor 1 detects the leaving water temperature value supplying hot water supplying pipe 12 temperature higher than setting, steam temperature-sensing valve 3 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 12 temperature, vapor stream is after vapor-water heat exchanger 6 simultaneously, condensed water will be become, and condensed water enters condensed water storage tank 26 by condensed water outlet pipe 7 after steam trap 8 stores, level sensor 16 detects condensed water storage tank 26 water level, and be provided with high water level point, low water level point and lack of water water level point, when level sensor 16 detect condensed water storage tank 26 water level be in high water level point and above time, start and reclaim variable frequency pump 17, reclaim variable frequency pump 17 relative to pressure sensor 2 18, the condensed water frequency-changing pressure stabilizing in condensed water storage tank 26 to be exported, when level sensor 16 detect condensed water storage tank 26 water level be in low water level point and following time, reclaim variable frequency pump 17 to stop, when level sensor 16 detect condensed water storage tank 26 water level be in lack of water water level point and following time, recovery variable frequency pump 17 in out of service,
Temperature sensor 2 23 detects heat supply return pipe 20 temperature, temperature sensor 3 30 detects condensed water storage tank 26 temperature, when temperature sensor 3 30 detects that condensed water storage tank 26 temperature detects heat supply return pipe 20 temperature more than 5 DEG C higher than temperature sensor 2 23, internal circulation pump 27 starts, a recirculated water part in heat supply return pipe 20 flows through heating water inlet pipe 28, internal circulation pump 27, heat exchange coil 25, heat supply return pipe 20 is back to after heating outlet pipe 31, condensed water storage tank 26 temperature reduces, when temperature sensor 3 30 detects that condensed water storage tank 26 temperature detects within heat supply return pipe 20 temperature 2 DEG C higher than temperature sensor 2 23, internal circulation pump 27 stops, pressure sensor 3 24 and pressure sensor 4 32 detect heat supply return pipe 20 pressure respectively, when pressure sensor 3 24 detects heat supply return pipe 20 pressure lower than the anhydrous force value set, internal circulation pump 27 stoppage protection run, treat pressure sensor 3 24 detect heat supply return pipe 20 pressure higher than the anhydrous force value of setting and more than, internal circulation pump 27 automatically recovers normal, when pressure sensor 4 32 detects heat supply return pipe 20 pressure lower than the backwater constant voltage value set, moisturizing variable frequency pump 33 automatically starts and implements frequency-changing pressure stabilizing moisturizing to heat supply return pipe 20, to keep heat supply return pipe 20 pressure stability in the backwater constant voltage value of setting, and when heat supply return pipe 20 pressure stability is 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 33, when pressure sensor 4 32 detects the constant voltage value of heat supply return pipe 20 pressure higher than setting, and reach setting super-pressure force value and above time, magnetic valve 2 36 opens sluicing automatically, pressure release, when heat supply return pipe 20 pressure recover is to the backwater constant voltage value set, magnetic valve 2 36 cuts out, moisturizing variable frequency pump 33 is from water intaking in condensed water storage tank 26, when level sensor 16 detect condensed water storage tank 26 water level be in setting lack of water water level point and following time, moisturizing variable frequency pump 33 in out of service is also reported to the police, water storage tank 26 water level rezime to be condensed to setting low water level point and above time, lack of water is reported to the police and is eliminated, and moisturizing variable frequency pump 33 recovers normal condition.
When debugging first, condensed water storage tank 26 provides water source by filling pipe 15, and magnetic valve 1 is opened, and water softening device 13 obtains electric operation, the variable frequency pump of moisturizing simultaneously 33 from water intaking in condensed water storage tank 26, and carries out water filling to heat supply return pipe 20, vapor-water heat exchanger 6 and confession hot water supplying pipe 12.In the injecting process, when condensed water storage tank 26 water level decreasing is to the low water level point set, magnetic valve 1 is opened, water softening device 13 obtains electric, when condensed water storage tank 26 water level rise to setting high water level point and above time, magnetic valve 1 close, water softening device 13 dead electricity.When pressure sensor 4 32 detects that heat supply return pipe 20 pressure reaches the backwater constant voltage value of setting, magnetic valve 1 cuts out, water softening device 13 dead electricity, steam temperature-sensing valve 3 is opened, and steam enters vapor-water heat exchanger 6 through steam pipe 1, steam becomes condensed water, and flow into condensed water storage tank 26 and store, system will enter normal Heating State, and in the normal heat supplying process of vapor-water heat exchanger 6, magnetic valve 1 closed condition all the time, water softening device 13 dead electricity.
Claims (5)
1. a steam-water heat exchange station energy conserving system is primarily of steam temperature-sensing valve, vapor-water heat exchanger, steam trap, reclaim variable frequency pump, condensed water storage tank, internal circulation pump, moisturizing variable frequency 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 condensed water storage tank, steam pipe is equipped with steam temperature-sensing valve, condensed water outlet pipe is equipped with steam trap, the secondary side import of vapor-water heat exchanger is connected with pressurization water inlet pipe, pressurization water inlet pipe is connected with heat supply return pipe again, 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, it is characterized in that, heat supply return pipe is equiped with safety valve in turn along water (flow) direction after filter two, temperature sensor two, pressure sensor three, check-valves one, pressure sensor four and heat circulation pump, heat circulation pump water outlet is connected with the pressurization water inlet pipe of vapor-water heat exchanger, heat supply return pipe is also connected with heating water inlet pipe between pressure sensor three and check-valves one, the other end of heating water inlet pipe is connected with condensed water storage tank, heat exchange coil is provided with in condensed water storage tank, heating water inlet pipe is connected with the import of heat exchange coil, heat exchange coil outlet is connected with heating outlet pipe, heating outlet pipe is connected with heat supply return pipe again, and heating outlet pipe is connected between the check-valves one of heat supply return pipe and pressure sensor four, the water outlet of condensed water storage tank is connected with condensing hot air furnace pipe and supplementing water pressure pipe respectively, supplementing water pressure Guan Zaiyu heat supply return pipe connects, and supplementing water pressure pipe be connected to heat circulation pump before heat supply return pipe on, supplementing water pressure pipe is equipped with moisturizing variable frequency pump, also tapping pipe is connected with at heat supply return pipe, the other end of tapping pipe is connected with condensed water storage tank, tapping pipe is provided with magnetic valve two.
2. a kind of steam-water heat exchange station energy conserving system according to claim 1, it is characterized in that, steam pipe was provided with filter one before steam temperature-sensing valve, and steam pipe is provided with Pressure gauge one and thermometer one after steam temperature-sensing valve.
3. a kind of steam-water heat exchange station energy conserving system according to claim 1, it is characterized in that, level sensor and temperature sensor three is also provided with in condensed water storage tank, the water inlet of condensed water storage tank is also 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.
4. a kind of steam-water heat exchange station energy conserving system according to claim 1, is characterized in that, condensing hot air furnace pipe is equipped with recovery variable frequency pump, and condensing hot air furnace pipe is provided with pressure sensor two after recovery variable frequency pump.
5. a kind of steam-water heat exchange station energy conserving system according to claim 1, is characterized in that, walks around heat circulation pump and is also provided with bypass pipe and is connected with heat supply return pipe and the water inlet pipe that pressurizes respectively, and on bypass pipe, be provided with check-valves two.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410561372.1A CN104848286A (en) | 2014-10-22 | 2014-10-22 | Energy saving system of steam-water heat exchange station |
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| CN201410561372.1A CN104848286A (en) | 2014-10-22 | 2014-10-22 | Energy saving system of steam-water heat exchange station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2014
- 2014-10-22 CN CN201410561372.1A patent/CN104848286A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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