CN104848305A - Unit for heat exchange through steam and condensate water recovery - Google Patents
Unit for heat exchange through steam and condensate water recovery Download PDFInfo
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- CN104848305A CN104848305A CN201410661801.2A CN201410661801A CN104848305A CN 104848305 A CN104848305 A CN 104848305A CN 201410661801 A CN201410661801 A CN 201410661801A CN 104848305 A CN104848305 A CN 104848305A
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Abstract
Disclosed is a unit for heat exchange through steam and condensate water recovery. The unit mainly comprises a shell and tube heat exchanger, a condensate water storage tank, a condensate water variable-frequency pump, a plate heat exchanger, a waste heat circulating pump, a water supplementing variable-frequency pump, a circulating variable-frequency pump and a control cabinet. A third pressure sensor, the circulating variable-frequency pump, a second check valve and a fourth pressure sensor are installed on a secondary water return pipe of the shell and tube heat exchanger. The waste heat circulating pump and a waste heat water supply pipe are connected to the portions, in front of and behind the second check valve, of the secondary water return pipe, and connected with a secondary inlet and a secondary outlet of the plate heat exchanger. A primary inlet and a primary outlet of the plate heat exchanger are connected with a condensate water heating pipe and a condensate water drain pipe respectively, and then the condensate water heating pipe is connected with an outlet formed in the bottom of the condensate water storage tank. The unit has the advantages that the system configuration is complete, the heat exchange efficiency is high, the occupied area is small, the investment is saved, full-automatic control is achieved, the heat utilization ratio is high, the heat supply cost is low, the effects of energy conservation and emission reduction are good, and popularization and application are convenient.
Description
Technical field
The present invention relates to steam heat-exchanging technical field, specifically one utilizes steam heat-exchanging and condensing hot air furnace unit.
Background technology
Heat exchange station is arranged conveniently owing to having, flexibly, the advantage such as energy-saving and emission-reduction, widely use in the occasions such as residential quarters, factory, hospital, school, hotel at present.Heat exchange station thermal source used comprises high temperature water and steam two kinds, in the heat exchange station taking steam as thermal source, continuously will produce condensed water, and the temperature of these condensed waters is general all at 60 DEG C ~ 80 DEG C, it is directly reclaimed or is discharged all there is a large amount of thermal waste.How Appropriate application will become steam heat-exchanging station to improve heat utilization efficiency with recovery condensed water, reduce the key of heat cost.
Summary of the invention
The object of the present invention is to provide that a kind of heat utilization efficiency is high, heat cost is low utilizes steam heat-exchanging and condensing hot air furnace unit.
The technical solution adopted for the present invention to solve the technical problems is: utilize steam heat-exchanging and condensing hot air furnace unit primarily of shell-and-tube heat exchanger, condensed water water storage tank, condensed water variable frequency pump, plate type heat exchanger, waste heat circulation pump, moisturizing variable frequency pump, circulation variable frequency pump and switch board composition, an import of shell-and-tube heat exchanger and once export and be connected to steam pipe and drain pipe respectively, drain pipe is connected with condensed water water storage tank again, steam pipe is equipped with steam temperature-sensing valve, drain pipe is equipped with steam trap, the secondary import of shell-and-tube heat exchanger is connected with secondary returning water pipe and secondary water-supply pipe respectively with secondary outlet, secondary water-supply pipe is equipped with temperature control transmitter, secondary returning water pipe is equipped with filter, secondary returning water pipe is equipped with circulation variable frequency pump after the filters, secondary returning water pipe is before circulation variable frequency pump, pressure sensor three is provided with after filter, and be connected to relief tube and moisturizing voltage-stabiliser tube respectively, moisturizing voltage-stabiliser tube is connected with the lower part outlet of condensed water water storage tank again, moisturizing voltage-stabiliser tube is equipped with moisturizing variable frequency pump, relief tube is equipped with pressure release electromagnetic valve, secondary returning water pipe is equipped with check-valves two after circulation variable frequency pump, secondary returning water pipe is before check-valves two, waste heat circulation pipe is connected to after circulation variable frequency pump, secondary returning water pipe is connected to waste heat feed pipe after check-valves two, waste heat circulation pipe and waste heat feed pipe export with the secondary import of plate type heat exchanger and secondary respectively and are connected, an import of plate type heat exchanger and once export and be connected to condensed water heating tube and condensed water discharge pipe respectively, condensed water heating tube is connected with the outlet at bottom of condensed water water storage tank again, and on waste heat circulation pipe, waste heat circulation pump is housed, waste heat circulation pipe was equipped with switching solenoid valve before waste heat circulation pump, waste heat circulation pipe is after switching solenoid valve, pressure sensor two is provided with before waste heat circulation pump, waste heat feed pipe is equipped with check-valves one, condensed water heating tube is equipped with condensed water variable frequency pump, condensed water discharge pipe is provided with pressure sensor one, level sensor and temperature sensor is also provided with in described condensed water water storage tank, also filling pipe is connected on condensed water water storage tank top, filling pipe is equipped with moisturizing magnetic valve.Described condensed water variable frequency pump, waste heat circulation pump, moisturizing variable frequency pump, circulation variable frequency pump, steam temperature-sensing valve, moisturizing magnetic valve, level sensor, temperature sensor, pressure sensor one, pressure sensor two, switching solenoid valve, pressure release electromagnetic valve, pressure sensor three, pressure sensor four is connected with switch board wiring respectively with temperature control transmitter, switch board is also connected with the outdoor temperature sensor for detecting outdoor environment temperature disposed in the outdoor, GPRS transceiver terminal is also equiped with in switch board, described GPRS transceiver terminal mainly carries out real-time radio transmission and reception to relevant data signal, be convenient to realize wireless remote monitering.
Operation principle of the present invention is, shell-and-tube heat exchanger carries out heat exchange to the steam source that steam pipe is carried, steam becomes condensed water at shell-and-tube heat exchanger, then after steam trap resistance vapour is hydrophobic, the storage of condensed water water storage tank is entered by drain pipe, condensed water water storage tank water level rises, the level sensor be contained in condensed water water storage tank detects condensed water water storage tank water level, when detect condensed water water storage tank water level rise to the fixed high water level point of systemic presupposition and above time, condensed water variable frequency pump starts and fetches water in condensed water water storage tank, and carry out frequency-changing pressure stabilizing operation relative to pressure sensor one according to the recovery constant voltage value of systemic presupposition, condensed water in condensed water water storage tank is by entering plate type heat exchanger after condensed water variable frequency pump, then plate type heat exchanger is that thermal source carries out UTILIZATION OF VESIDUAL HEAT IN and heat exchange again again with condensed water, cooling, and reclaimed eventually through condensed water discharge pipe access heating power outer net, and in condensed water variable frequency pump startup optimization process, the switching solenoid valve be contained on waste heat circulation pipe is opened, waste heat circulation pump suction supply pressure raises, when pressure sensor two detect waste heat circulation pump suction supply pressure higher than systemic presupposition open pump pressure force value time, waste heat circulation pump starts immediately and puts into operation, now, first a part of flow of secondary returning water pipe will enter plate type heat exchanger by waste heat circulation pipe and heat, preheating, then be back to secondary returning water pipe by waste heat feed pipe and enter shell-and-tube heat exchanger, simultaneously, condensed water water storage tank water level decreasing, when the low water level point of condensed water water storage tank water level lower than systemic presupposition being detected, condensed water variable frequency pump autostop, cut off closed electromagnetic valve, waste heat circulation pump suction supply pressure reduces, when pressure sensor two detects that waste heat circulation pump suction supply pressure has a termination of pumping force value lower than systemic presupposition, waste heat circulation pump will be shut down immediately with out of service, plate type heat exchanger stops heating, so repeatedly run, the condensed water realized in condensed water water storage tank of the present invention can be discharged in time, and carry out cooling process and UTILIZATION OF VESIDUAL HEAT IN by plate type heat exchanger, thus improve heat utilization efficiency and reach energy-conservation object, meanwhile, circulation variable frequency pump carries out frequency-changing pressure stabilizing operation relative to pressure sensor four according to the water outlet constant voltage value of systemic presupposition, described pressure sensor four is for detecting the discharge pressure of circulation variable frequency pump, when the water outlet constant voltage value of the discharge pressure of circulation variable frequency pump lower than systemic presupposition being detected, circulation variable frequency pump will improve rotating speed to increase circular flow, the discharge pressure of circulation variable frequency pump will increase, otherwise reduce circulation variable frequency pump rotating speed to reduce circular flow, the discharge pressure of circulation variable frequency pump will decline, adjustment like this, the water outlet constant voltage value that the discharge pressure realizing circulation variable frequency pump of the present invention maintains systemic presupposition is run, reach energy-conservation, safe effect, and the pressure being conducive to regulating the start and stop of waste heat circulation pump to cause changes, simultaneously, the leaving water temperature of the temperature control transmitters sense secondary water-supply pipe on secondary water-supply pipe is housed, the outdoor environment temperature that switch board system detects according to outdoor temperature sensor provides secondary water-supply pipe water outlet temperature setting value adaptively, then the secondary water-supply pipe water outlet temperature setting value provided according to system relative to temperature control transmitter by steam temperature-sensing valve regulates its aperture automatically, when the water outlet temperature setting value that secondary water-supply pipe leaving water temperature provides lower than system being detected, steam temperature-sensing valve will tune up its aperture, steam pipe flow is increased, secondary water-supply pipe leaving water temperature increases, otherwise, then turn steam temperature-sensing valve aperture down and reduce steam pipe flow, secondary water-supply pipe leaving water temperature reduces, adjustment like this, in secondary water-supply pipe leaving water temperature is maintained water outlet temperature setting value that system provides, realize the present invention energy-conservation, comfortable heating effect, the pressure sensor three be contained on secondary returning water pipe detects circulation variable frequency pump intake pressure, when the pressure of return water steady state value of circulation variable frequency pump intake pressure lower than systemic presupposition being detected, moisturizing variable frequency pump will start and fetches water in condensed water water storage tank automatically, and moisturizing variable frequency pump carries out frequency-changing pressure stabilizing moisturizing relative to pressure sensor three according to the pressure of return water steady state value of systemic presupposition, voltage regulation operation, be stabilized on the pressure of return water steady state value of systemic presupposition to make circulation variable frequency pump intake pressure, when detecting that circulation variable frequency pump intake pressure is stabilized in the pressure of return water steady state value of systemic presupposition, and when maintaining 30s ~ 60s, moisturizing variable frequency pump is by autostop and enter dormancy holding state, so repeatedly, realize voltage stabilizing of the present invention, level pressure and termination of pumping energy-saving effect, when the pressure of return water steady state value of circulation variable frequency pump intake pressure higher than systemic presupposition being detected, and reach systemic presupposition super-pressure force value and above time, the pressure release electromagnetic valve be contained on relief tube will open sluicing automatically, pressure release, until when circulation variable frequency pump intake pressure falls back to the pressure of return water steady state value of systemic presupposition, pressure release electromagnetic valve will be closed automatically, when the anhydrous force value of circulation variable frequency pump intake pressure lower than systemic presupposition being detected, circulation variable frequency pump is by stoppage protection, variable frequency pump intake pressure to be recycled recovers, and detect circulation variable frequency pump intake pressure systemic presupposition pressure of return water steady state value and above time, circulation variable frequency pump automatically starts and reverts to normal operating condition, equally, when being contained in the level sensor in condensed water water storage tank and the lack of water water level point of condensed water water storage tank water level lower than systemic presupposition being detected, moisturizing variable frequency pump in out of service and condensed water variable frequency pump are reported to the police, water water storage tank water level rezime to be condensed and when the low water level point of condensed water water storage tank water level higher than systemic presupposition being detected, report to the police and automatically eliminate, system will be automatically restored to normal condition.When utilizing moisturizing variable frequency pump to carry out water filling to secondary returning water pipe system, due to evaporated condensation water storage in condensed water water storage tank, the moisturizing magnetic valve being contained in filling pipe will be opened into water automatically, the temperature sensor be contained in condensed water water storage tank detects condensed water water storage tank temperature, when filling water at secondary returning water pipe system, and when detecting that circulation variable frequency pump intake pressure reaches the pressure of return water steady state value of systemic presupposition by pressure sensor three, circulation variable frequency pump starts, steam temperature-sensing valve is opened and is automatically regulated, condensed water enters condensed water water storage tank through steam trap, condensed water water storage tank temperature raises, when the condensation aquatic products coolant-temperature gage value of condensed water water storage tank temperature higher than systemic presupposition being detected, moisturizing magnetic valve will automatically cut out and cut off filling pipe, now, system will be automatically converted to condensed water water storage, moisturizing, the running status of UTILIZATION OF VESIDUAL HEAT IN and recovery.
Described switch board is according to described outdoor temperature sensor, temperature sensor, temperature control transmitter, level sensor, pressure sensor one, pressure sensor two, each related temperature signals that pressure sensor three and pressure sensor four detect, water level signal, pressure signal, to circulation variable frequency pump, waste heat circulation pump, moisturizing variable frequency pump, condensed water variable frequency pump, steam temperature-sensing valve, moisturizing magnetic valve, switching solenoid valve and pressure release electromagnetic valve carry out Automatic Control and protection respectively, switch board also receives and sends relevant wireless data signal by GPRS transceiver terminal in GPRS mode simultaneously, realize the unattended remote wireless monitoring of the present invention and management.
The invention has the beneficial effects as follows, the present invention has that system configuration is complete, heat exchange efficiency is high, takes up an area less, the advantage such as reduced investment and Automatic Control, and heat utilization efficiency is high, and heat cost is low, and effects of energy saving and emission reduction is good, easy to utilize.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
In figure, 1, shell-and-tube heat exchanger, 2, condensed water water storage tank, 3, condensed water variable frequency pump, 4, plate type heat exchanger, 5, waste heat circulation pump, 6, moisturizing variable frequency pump, 7, circulation variable frequency pump, 8, switch board, 9, GPRS transceiver terminal, 10, outdoor temperature sensor, 11, steam pipe, 12, steam temperature-sensing valve, 13, steam trap, 14, drain pipe, 15, filling pipe, 16, moisturizing magnetic valve, 17, level sensor, 18, temperature sensor, 19, condensed water heating tube, 20, condensed water discharge pipe, 21, pressure sensor one, 22, pressure sensor two, 23, waste heat circulation pipe, 24, waste heat feed pipe, 25, check-valves one, 26, switching solenoid valve, 27, moisturizing voltage-stabiliser tube, 28, pressure release electromagnetic valve, 29, relief tube, 30, secondary returning water pipe, 31, filter, 32, pressure sensor three, 33, check-valves two, 34, pressure sensor four, 35, secondary water-supply pipe, 36, temperature control transmitter.
Detailed description of the invention
With regard to accompanying drawing 1, steam heat-exchanging and the condensing hot air furnace unit of utilizing of the present invention is described in detail below below.
As shown in Figure 1, steam heat-exchanging and the condensing hot air furnace unit of utilizing of the present invention is primarily of shell-and-tube heat exchanger 1, condensed water water storage tank 2, condensed water variable frequency pump 3, plate type heat exchanger 4, waste heat circulation pump 5, moisturizing variable frequency pump 6, circulation variable frequency pump 7 and switch board 8 form, an import of shell-and-tube heat exchanger 1 and once export and be connected to steam pipe 11 and drain pipe 14 respectively, drain pipe 14 is connected with condensed water water storage tank 2 again, steam pipe 11 is equipped with steam temperature-sensing valve 12, drain pipe 14 is equipped with steam trap 13, the secondary import of shell-and-tube heat exchanger 1 is connected with secondary returning water pipe 30 and secondary water-supply pipe 35 respectively with secondary outlet, secondary water-supply pipe 35 is equipped with temperature control transmitter 36, secondary returning water pipe 30 is equipped with filter 31, secondary returning water pipe 30 is equipped with circulation variable frequency pump 7 after filter 31, secondary returning water pipe 30 is before circulation variable frequency pump 7, pressure sensor 3 32 is provided with after filter 31, and be connected to relief tube 29 and moisturizing voltage-stabiliser tube 27 respectively, moisturizing voltage-stabiliser tube 27 is connected with the lower part outlet of condensed water water storage tank 2 again, moisturizing voltage-stabiliser tube 27 is equipped with moisturizing variable frequency pump 6, relief tube 29 is equipped with pressure release electromagnetic valve 28, secondary returning water pipe 30 is equipped with check-valves 2 33 after circulation variable frequency pump 7, secondary returning water pipe 30 is before check-valves 2 33, waste heat circulation pipe 23 is connected to after circulation variable frequency pump 7, secondary returning water pipe 30 is connected to waste heat feed pipe 24 after check-valves 2 33, waste heat circulation pipe 23 and waste heat feed pipe 24 export with the secondary import of plate type heat exchanger 4 and secondary respectively and are connected, an import of plate type heat exchanger 4 and once export and be connected to condensed water heating tube 19 and condensed water discharge pipe 20 respectively, condensed water heating tube 19 is connected with the outlet at bottom of condensed water water storage tank 2 again, and on waste heat circulation pipe 23, waste heat circulation pump 5 is housed, waste heat circulation pipe 23 was equipped with switching solenoid valve 26 before waste heat circulation pump 5, waste heat circulation pipe 23 is after switching solenoid valve 26, pressure sensor 2 22 is provided with before waste heat circulation pump 5, waste heat feed pipe 24 is equipped with check-valves 1, condensed water heating tube 19 is equipped with condensed water variable frequency pump 3, condensed water discharge pipe 20 is provided with pressure sensor 1, level sensor 17 and temperature sensor 18 is also provided with in described condensed water water storage tank 2, filling pipe 15 is also connected on condensed water water storage tank 2 top, filling pipe 15 is equipped with moisturizing magnetic valve 16.Described condensed water variable frequency pump 3, waste heat circulation pump 5, moisturizing variable frequency pump 6, circulation variable frequency pump 7, steam temperature-sensing valve 12, moisturizing magnetic valve 16, level sensor 17, temperature sensor 18, pressure sensor 1, pressure sensor 2 22, switching solenoid valve 26, pressure release electromagnetic valve 28, pressure sensor 3 32, pressure sensor 4 34 and temperature control transmitter 36 are connected with switch board 8 wiring respectively, switch board 8 is also connected with the outdoor temperature sensor 10 for detecting outdoor environment temperature disposed in the outdoor, GPRS transceiver terminal 9 is also equiped with in switch board 8, described GPRS transceiver terminal 9 mainly carries out real-time radio transmission and reception to relevant data signal, be convenient to realize wireless remote monitering.
Operation principle of the present invention is, the steam source that shell-and-tube heat exchanger 1 pair of steam pipe 11 is carried carries out heat exchange, steam becomes condensed water at shell-and-tube heat exchanger 1, then by drain pipe 14 through steam trap 13 hinder vapour hydrophobic after enter condensed water water storage tank 2 and store, condensed water water storage tank 2 water level rises, the level sensor 17 be contained in condensed water water storage tank 2 detects condensed water water storage tank 2 water level, when detect condensed water water storage tank 2 water level rise to the fixed high water level point of systemic presupposition and above time, condensed water variable frequency pump 3 starts and fetches water in condensed water water storage tank 2, and carry out frequency-changing pressure stabilizing operation relative to pressure sensor 1 according to the recovery constant voltage value of systemic presupposition, condensed water in condensed water water storage tank 2 enters plate type heat exchanger 4 by after condensed water variable frequency pump 3, then plate type heat exchanger 4 is that thermal source carries out UTILIZATION OF VESIDUAL HEAT IN and heat exchange again again with condensed water, cooling, and access heating power outer net eventually through condensed water discharge pipe 20 and reclaimed, and in condensed water variable frequency pump 3 startup optimization process, the switching solenoid valve 26 be contained on waste heat circulation pipe 23 is opened, waste heat circulation pump 5 intake pressure raises, when pressure sensor 2 22 detect waste heat circulation pump 5 intake pressure higher than systemic presupposition open pump pressure force value time, waste heat circulation pump 5 starts immediately and puts into operation, now, first a part of flow of secondary returning water pipe 30 will enter plate type heat exchanger 4 by waste heat circulation pipe 23 and heat, preheating, then be back to secondary returning water pipe 30 by waste heat feed pipe 24 and enter shell-and-tube heat exchanger 1, simultaneously, condensed water water storage tank 2 water level decreasing, when the low water level point of condensed water water storage tank 2 water level lower than systemic presupposition being detected, condensed water variable frequency pump 3 autostop, cut off magnetic valve 26 to close, waste heat circulation pump 5 intake pressure reduces, when pressure sensor 2 22 detects that waste heat circulation pump 5 intake pressure has a termination of pumping force value lower than systemic presupposition, waste heat circulation pump 5 will be shut down immediately with out of service, plate type heat exchanger 4 stops heating, so repeatedly run, the condensed water realized in condensed water water storage tank 2 of the present invention can be discharged in time, and carry out cooling process and UTILIZATION OF VESIDUAL HEAT IN by plate type heat exchanger 4, thus improve heat utilization efficiency and reach energy-conservation object, meanwhile, circulation variable frequency pump 7 carries out frequency-changing pressure stabilizing operation relative to pressure sensor 4 34 according to the water outlet constant voltage value of systemic presupposition, described pressure sensor 4 34 is for detecting the discharge pressure of circulation variable frequency pump 7, when the water outlet constant voltage value of the discharge pressure of circulation variable frequency pump 7 lower than systemic presupposition being detected, circulation variable frequency pump 7 will improve rotating speed to increase circular flow, the discharge pressure of circulation variable frequency pump 7 will increase, otherwise reduce circulation variable frequency pump 7 rotating speed to reduce circular flow, the discharge pressure of circulation variable frequency pump 7 will decline, adjustment like this, the water outlet constant voltage value that the discharge pressure realizing circulation variable frequency pump 7 of the present invention maintains systemic presupposition is run, reach energy-conservation, safe effect, and the pressure being conducive to regulating the start and stop of waste heat circulation pump 5 to cause changes, simultaneously, the temperature control transmitter 36 be equipped with on secondary water-supply pipe 35 detects the leaving water temperature of secondary water-supply pipe 35, the outdoor environment temperature that switch board 8 system detects according to outdoor temperature sensor 10 provides secondary water-supply pipe 35 water outlet temperature setting value adaptively, then the secondary water-supply pipe 35 water outlet temperature setting value provided according to system relative to temperature control transmitter 36 by steam temperature-sensing valve 12 regulates its aperture automatically, when the water outlet temperature setting value that secondary water-supply pipe 35 leaving water temperature provides lower than system being detected, steam temperature-sensing valve 12 will tune up its aperture, steam pipe 11 flow is increased, secondary water-supply pipe 35 leaving water temperature increases, otherwise, then turn steam temperature-sensing valve 12 aperture down and reduce steam pipe 11 flow, secondary water-supply pipe 35 leaving water temperature reduces, adjustment like this, in secondary water-supply pipe 35 leaving water temperature is maintained water outlet temperature setting value that system provides, realize the present invention energy-conservation, comfortable heating effect, the pressure sensor 3 32 be contained on secondary returning water pipe 30 detects circulation variable frequency pump 7 intake pressure, when the pressure of return water steady state value of circulation variable frequency pump 7 intake pressure lower than systemic presupposition being detected, moisturizing variable frequency pump 6 automatically will start and fetch water in condensed water water storage tank 2, and moisturizing variable frequency pump 6 carries out frequency-changing pressure stabilizing moisturizing relative to pressure sensor 3 32 according to the pressure of return water steady state value of systemic presupposition, voltage regulation operation, be stabilized on the pressure of return water steady state value of systemic presupposition to make circulation variable frequency pump 7 intake pressure, when detecting that circulation variable frequency pump 7 intake pressure is stabilized in the pressure of return water steady state value of systemic presupposition, and when maintaining 30s ~ 60s, moisturizing variable frequency pump 6 is by autostop and enter dormancy holding state, so repeatedly, realize voltage stabilizing of the present invention, level pressure and termination of pumping energy-saving effect, when the pressure of return water steady state value of circulation variable frequency pump 7 intake pressure higher than systemic presupposition being detected, and reach systemic presupposition super-pressure force value and above time, the pressure release electromagnetic valve 28 be contained on relief tube 29 will open sluicing automatically, pressure release, until when circulation variable frequency pump 7 intake pressure falls back to the pressure of return water steady state value of systemic presupposition, pressure release electromagnetic valve 28 will be closed automatically, when the anhydrous force value of circulation variable frequency pump 7 intake pressure lower than systemic presupposition being detected, circulation variable frequency pump 7 is by stoppage protection, variable frequency pump 7 intake pressure to be recycled recovers, and detect circulation variable frequency pump 7 intake pressure systemic presupposition pressure of return water steady state value and above time, circulation variable frequency pump 7 automatically starts and reverts to normal operating condition, equally, when the level sensor 17 be contained in condensed water water storage tank 2 detects the lack of water water level point of condensed water water storage tank 2 water level lower than systemic presupposition, moisturizing variable frequency pump 6 in out of service and condensed water variable frequency pump 3 are reported to the police, water water storage tank 2 water level rezime to be condensed and when the low water level point of condensed water water storage tank 2 water level higher than systemic presupposition being detected, report to the police and automatically eliminate, system will be automatically restored to normal condition.When utilizing moisturizing variable frequency pump 6 pairs of secondary returning water pipe 30 systems to carry out water filling, due to evaporated condensation water storage in condensed water water storage tank 2, the moisturizing magnetic valve 16 being contained in filling pipe 15 will be opened into water automatically, the temperature sensor 18 be contained in condensed water water storage tank 2 detects condensed water water storage tank 2 temperature, when filling water in secondary returning water pipe 30 system, and when detecting that circulation variable frequency pump 7 intake pressure reaches the pressure of return water steady state value of systemic presupposition by pressure sensor 3 32, circulation variable frequency pump 7 starts, steam temperature-sensing valve 12 is opened and is automatically regulated, condensed water enters condensed water water storage tank 2 through steam trap 13, condensed water water storage tank 2 temperature raises, when the condensation aquatic products coolant-temperature gage value of condensed water water storage tank 2 temperature higher than systemic presupposition being detected, moisturizing magnetic valve 16 will cut out and cut off filling pipe 15 automatically, now, system will be automatically converted to condensed water water storage, moisturizing, the running status of UTILIZATION OF VESIDUAL HEAT IN and recovery.
Described switch board is according to described outdoor temperature sensor 10, temperature sensor 18, temperature control transmitter 36, level sensor 17, pressure sensor 1, pressure sensor 2 22, each related temperature signals that pressure sensor 3 32 and pressure sensor 4 34 detect, water level signal, pressure signal, to circulation variable frequency pump 7, waste heat circulation pump 5, moisturizing variable frequency pump 6, condensed water variable frequency pump 3, steam temperature-sensing valve 12, moisturizing magnetic valve 16, switching solenoid valve 26 and pressure release electromagnetic valve 28 carry out Automatic Control and protection respectively, switch board 8 also receives and sends relevant wireless data signal by GPRS transceiver terminal 9 in GPRS mode simultaneously, realize the unattended remote wireless monitoring of the present invention and management.
Claims (1)
1. one kind utilizes steam heat-exchanging and condensing hot air furnace unit primarily of shell-and-tube heat exchanger, condensed water water storage tank, condensed water variable frequency pump, plate type heat exchanger, waste heat circulation pump, moisturizing variable frequency pump, circulation variable frequency pump and switch board composition, an import of shell-and-tube heat exchanger and once export and be connected to steam pipe and drain pipe respectively, drain pipe is connected with condensed water water storage tank again, steam pipe is equipped with steam temperature-sensing valve, drain pipe is equipped with steam trap, the secondary import of shell-and-tube heat exchanger is connected with secondary returning water pipe and secondary water-supply pipe respectively with secondary outlet, secondary water-supply pipe is equipped with temperature control transmitter, secondary returning water pipe is equipped with filter, secondary returning water pipe is equipped with circulation variable frequency pump after the filters, it is characterized in that, secondary returning water pipe is before circulation variable frequency pump, pressure sensor three is provided with after filter, and be connected to relief tube and moisturizing voltage-stabiliser tube respectively, moisturizing voltage-stabiliser tube is connected with the lower part outlet of condensed water water storage tank again, moisturizing voltage-stabiliser tube is equipped with moisturizing variable frequency pump, secondary returning water pipe is equipped with check-valves two after circulation variable frequency pump, secondary returning water pipe is before check-valves two, waste heat circulation pipe is connected to after circulation variable frequency pump, secondary returning water pipe is connected to waste heat feed pipe after check-valves two, waste heat circulation pipe and waste heat feed pipe export with the secondary import of plate type heat exchanger and secondary respectively and are connected, an import of plate type heat exchanger and once export and be connected to condensed water heating tube and condensed water discharge pipe respectively, condensed water heating tube is connected with the outlet at bottom of condensed water water storage tank again, and on waste heat circulation pipe, waste heat circulation pump is housed, waste heat circulation pipe was equipped with switching solenoid valve before waste heat circulation pump, waste heat circulation pipe is after switching solenoid valve, pressure sensor two is provided with before waste heat circulation pump, condensed water heating tube is equipped with condensed water variable frequency pump, condensed water discharge pipe is provided with pressure sensor one, described switch board is connected with the outdoor temperature sensor for detecting outdoor environment temperature disposed in the outdoor, GPRS transceiver terminal is also equiped with in switch board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410661801.2A CN104848305A (en) | 2014-11-19 | 2014-11-19 | Unit for heat exchange through steam and condensate water recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410661801.2A CN104848305A (en) | 2014-11-19 | 2014-11-19 | Unit for heat exchange through steam and condensate water recovery |
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| Publication Number | Publication Date |
|---|---|
| CN104848305A true CN104848305A (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410661801.2A Pending CN104848305A (en) | 2014-11-19 | 2014-11-19 | Unit for heat exchange through steam and condensate water recovery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110998191A (en) * | 2017-08-03 | 2020-04-10 | 格兰富控股联合股份公司 | Circulating pump unit |
| CN112361838A (en) * | 2020-11-11 | 2021-02-12 | 招商局金陵船舶(威海)有限公司 | Condensate water lightering electric control system and use method thereof |
-
2014
- 2014-11-19 CN CN201410661801.2A patent/CN104848305A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110998191A (en) * | 2017-08-03 | 2020-04-10 | 格兰富控股联合股份公司 | Circulating pump unit |
| CN112361838A (en) * | 2020-11-11 | 2021-02-12 | 招商局金陵船舶(威海)有限公司 | Condensate water lightering electric control system and use method thereof |
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