CN104848289A - Efficient heat-supply heating heat-exchange unit adopting steam heat source - Google Patents

Efficient heat-supply heating heat-exchange unit adopting steam heat source Download PDF

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Publication number
CN104848289A
CN104848289A CN201410592117.3A CN201410592117A CN104848289A CN 104848289 A CN104848289 A CN 104848289A CN 201410592117 A CN201410592117 A CN 201410592117A CN 104848289 A CN104848289 A CN 104848289A
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China
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pipe
heat exchanger
steam
water
moisturizing
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CN201410592117.3A
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Chinese (zh)
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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 CN201410592117.3A priority Critical patent/CN104848289A/en
Publication of CN104848289A publication Critical patent/CN104848289A/en
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Abstract

The invention discloses an efficient heat-supply heating heat-exchange unit adopting a steam heat source which is mainly composed of a steam temperature control valve, a shell and tube heat exchanger, an emergency shutdown valve, a plate heat exchanger, an expansion tank, a water supplement variable-frequency pump, a pressure-release electromagnetic valve, a circulating pump and a control cabinet, wherein a steam temperature-reduction pipe is arranged the primary outlet of the shell and tube heat exchanger and is connected with the primary inlet of the plate heat exchanger; the emergency shutdown valve is mounted on the steam temperature-reduction pipe; a temperature-reduction water-distribution pipe is connected with a secondary water return pie of the plate heat exchanger; the temperature-reduction water-distribution pipe is then connected with the secondary inlet of the shell and tube heat exchanger; and a temperature-reduction preheating pipe and the secondary outlet of the shell and tube heat exchanger are arranged on a secondary water supply pipe of the plate heat exchanger. The efficient heat-supply heating heat-exchange unit has the benefits as follows: the manner that the shell and tube heat exchanger and the plate heat exchanger are combined is adopted, so that running safety of the plate heat exchanger suitable for high-temperature steam is ensured, heat exchange efficiency is improved, the temperature of condensate is reduced, energy conservation and emission reduction are facilitated, and social and economic benefits are high.

Description

Utilize the efficient heat supply heating heat-exchange unit of steam source
Technical field
The present invention relates to heating heat-exchange machine set technology field, specifically one utilizes the efficient heat supply heating heat-exchange unit of steam source.
Background technology
Heating heat-exchange unit, owing to having the advantages such as compact conformation, reliable, temperature is easy to adjust, becomes the energy-efficient product of first-selection of current central heating heat supply.In heating heat-exchange unit, application plate type heat exchanger is maximum, and this is main because the heat exchange efficiency of plate type heat exchanger is the highest, and easy to install, takes up an area little.But in heating heat-exchange unit, adopt plate type heat exchanger to be often only suitable for water-water heat-exchange system, apply seldom at vapour-water heat-exchange system owing to being subject to plate type heat exchanger and arranging the impact of the factors such as the high temperature resistant condition difference of sealing strip, plate type heat exchanger heat resisting temperature must not require higher than 150 DEG C, otherwise will safety be jeopardized, but providing thermal source great majority to be the high-temperature steam of more than 150 DEG C at some cities and towns heat supply network, this will strongly limit and use plate type heat exchanger in heating heat-exchange unit.
Summary of the invention
The object of the present invention is to provide a kind of adopt plate type heat exchanger and shell-and-tube heat exchanger combined utilize the efficient heat supply heating heat-exchange unit of steam source.
The technical solution adopted for the present invention to solve the technical problems is: utilize the efficient heat supply heating heat-exchange unit of steam source primarily of steam temperature-sensing valve, shell-and-tube heat exchanger, emergency shutdown valve, plate type heat exchanger, expansion tank, moisturizing variable frequency pump, pressure release electromagnetic valve, circulating pump and switch board composition, shell-and-tube heat exchanger is connected in series with plate type heat exchanger and arranges, an import of shell-and-tube heat exchanger is connected with steam pipe, and steam temperature-sensing valve is housed on steam pipe, steam pipe was equipped with filter one before steam temperature-sensing valve, steam pipe is also provided with thermometer one, the once outlet of shell-and-tube heat exchanger is provided with steam temperature reducing pipe and is connected with an import of plate type heat exchanger, and on shell-and-tube heat exchanger, be provided with Pressure gauge one, steam temperature reducing pipe is equipped with emergency shutdown valve, steam temperature reducing pipe was provided with temperature sensor one before emergency shutdown valve, the once outlet of plate type heat exchanger is connected with condensed water discharge pipe, condensed water discharge pipe is connected with the expansion tank arranged again intakes, and condensed water discharge pipe is equipped with steam trap, condensed water discharge pipe was provided with thermometer two before steam trap, the secondary import of plate type heat exchanger is connected with secondary returning water pipe, secondary returning water pipe is equipped with filter two, secondary returning water pipe is equipped with circulating pump after filter two, secondary returning water pipe is after filter two, thermometer three is equiped with before circulating pump, safety valve and pressure sensor one, and be connected with moisturizing voltage-stabiliser tube, the other end of moisturizing voltage-stabiliser tube is connected with described expansion tank, and moisturizing voltage-stabiliser tube is connected to water outlet bottom expansion tank, moisturizing voltage-stabiliser tube is equipped with moisturizing variable frequency pump and check-valves, moisturizing voltage-stabiliser tube is also provided with relief tube and is connected with expansion tank after moisturizing variable frequency pump and check-valves, and relief tube is connected to the water inlet of expansion tank top, relief tube is equipped with pressure release electromagnetic valve, expansion tank also connects filling pipe water inlet in addition, at filling pipe, moisturizing magnetic valve is housed, filling pipe is equipped with demineralized water treating apparatus after moisturizing magnetic valve, level sensor and temperature sensor two is also equiped with in expansion tank, secondary returning water pipe is connected with desuperheat sparge pipe after circulating pump, be connected with the secondary import of shell-and-tube heat exchanger by desuperheat sparge pipe again, the secondary outlet of plate type heat exchanger is connected with secondary water-supply pipe, and on secondary water-supply pipe, be provided with temperature sensor three and pressure sensor two, secondary water-supply pipe is also provided with desuperheat economizer bank export with the secondary of shell-and-tube heat exchanger and be connected, desuperheat sparge pipe enters shell-and-tube heat exchanger preheating from the secondary returning water pipe water intaking after circulating pump, then import secondary water-supply pipe by desuperheat economizer bank to export, desuperheat sparge pipe is equipped with flow balance valve, desuperheat sparge pipe is provided with Pressure gauge three after flow balance valve, at the highest point of shell-and-tube heat exchanger and desuperheat economizer bank, air bleeding valve is housed, secondary returning water pipe is also provided with Pressure gauge two after circulating pump.Described steam temperature-sensing valve, temperature sensor one, emergency shutdown valve, moisturizing magnetic valve, demineralized water treating apparatus, level sensor, temperature sensor two, moisturizing variable frequency pump, pressure release electromagnetic valve, pressure sensor one, circulating pump, temperature sensor three are connected with switch board wiring separately respectively with pressure sensor two.
Operation principle of the present invention is, first shell-and-tube heat exchanger carries out heat exchange desuperheat to the steam source that steam pipe is carried, plate type heat exchanger is entered again by steam temperature reducing pipe, simultaneously a part of flow of secondary returning water pipe enters shell-and-tube heat exchanger by desuperheat sparge pipe and carries out preheating after flow equilibrium valve action, and then import the output of secondary water-supply pipe by desuperheat economizer bank, the temperature sensor three be contained on secondary water-supply pipe detects secondary water-supply pipe temperature, and be provided with out water termostat value, the automatic steam regulation pipe of water termostat value that goes out being contained in steam temperature-sensing valve foundation temperature sensor three setting on steam pipe enters the flow of shell-and-tube heat exchanger to plate type heat exchanger, make secondary water-supply pipe temperature maintain all the time temperature sensor three set go out in water termostat value, the temperature sensor one be contained on steam temperature reducing pipe detects steam temperature reducing pipe and enters the temperature of plate type heat exchanger and be provided with the highest protection temperature value, when temperature sensor one detects that the temperature that steam temperature reducing pipe enters plate type heat exchanger exceeds the highest protection temperature value of setting, emergency shutdown valve is closed and is cut off the thermal source entering plate type heat exchanger, be contained in pressure sensor one on secondary returning water pipe for detecting circulating pump intake pressure, and be provided with moisturizing and open pump pressure force value, moisturizing steady pressure value, super-pressure force value and water deprivation stress value four control points, when detecting that circulating pump intake pressure opens pump pressure force value lower than the moisturizing that pressure sensor one sets, moisturizing variable frequency pump starts and fetches water in expansion tank, and according to the moisturizing steady pressure value of setting, frequency-changing pressure stabilizing moisturizing is carried out to secondary returning water pipe, when moisturizing variable frequency pump runs, and secondary returning siphon pressure is stabilized in the moisturizing steady pressure value of setting, and when maintaining 30s ~ 60s, moisturizing variable frequency pump is shut down and is entered dormancy holding state, the moisturizing of moisturizing variable frequency pump terminates, when detect circulating pump intake pressure higher than setting moisturizing steady pressure value and reach setting super-pressure force value and above time, pressure release electromagnetic valve is opened sluicing to expansion tank and is stored, when pump suction supply pressure to be recycled returns to the moisturizing steady pressure value of setting, pressure release electromagnetic valve is closed, and relief tube cuts off, when detect circulating pump intake pressure lower than setting water deprivation stress value and following time, secondary returning water pipe lack of water will be judged, circulating pump stoppage protection, when pump suction supply pressure to be recycled returns to the moisturizing steady pressure value of setting, circulating pump automatically starts and recovers normal condition, meanwhile, steam carries out by shell-and-tube heat exchanger and plate type heat exchanger condensed water that heat exchange becomes and discharges water pipe by condensed water and enter expansion tank through steam trap, the level sensor be contained in expansion tank detects expansion tank water level, the temperature sensor two be contained in expansion tank detects expansion tank temperature, when detect expansion tank water level be in level sensor setting lack of water water level point and following time, moisturizing variable frequency pump is by stoppage protection, and report to the police, time until expansion tank water level rezime and more than the low water level point that sets higher than level sensor of water level, lack of water is reported to the police and is eliminated, moisturizing variable frequency pump is automatically restored to normal condition.
When running water filling first, expansion tank provides water source by filling pipe, moisturizing magnetic valve is opened, demineralized water treating apparatus obtains electric operation, enters expansion tank moisturizing to prepare demineralized water, the variable frequency pump of moisturizing is simultaneously fetched water in expansion tank, and to secondary returning water pipe, shell-and-tube heat exchanger, plate type heat exchanger and the water filling of secondary water-supply pipe.In the injecting process, when the low water level point that expansion tank water level decreasing to level sensor sets and following time, moisturizing magnetic valve is opened, demineralized water treating apparatus obtains electric operation, when expansion tank water level rise to level sensor setting high water level point and above time, moisturizing closed electromagnetic valve, demineralized water treating apparatus dead electricity is shut down, when pressure sensor one detects that circulating pump intake pressure reaches the moisturizing steady pressure value of setting, moisturizing closed electromagnetic valve, demineralized water treating apparatus dead electricity, steam temperature-sensing valve is opened, steam enters shell-and-tube heat exchanger through steam pipe and carries out heat exchange to plate type heat exchanger, steam becomes condensed water, and flow into storage in expansion tank, system will enter normal Heating State, and in heat transfer process, moisturizing magnetic valve closed condition all the time, demineralized water treating apparatus dead electricity.
The invention has the beneficial effects as follows, the present invention adopts shell-and-tube heat exchanger and plate type heat exchanger to combine mode, not only ensure that plate type heat exchanger is suitable for the security of operation of high-temperature steam, and can also heat exchange efficiency be improved, reduce condensate temperature, be conducive to energy-conservation row and subtract, social and economic benefits and 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, thermometer one, 5, Pressure gauge one, 6, shell-and-tube heat exchanger, 7, desuperheat economizer bank, 8, air bleeding valve, 9, steam temperature reducing pipe, 10, temperature sensor one, 11, emergency shutdown valve, 12, plate type heat exchanger, 13, thermometer two, 14, steam trap, 15, condensed water discharge pipe, 16, filling pipe, 17, moisturizing magnetic valve, 18, demineralized water treating apparatus, 19, expansion tank, 20, level sensor, 21, temperature sensor two, 22, moisturizing voltage-stabiliser tube, 23, moisturizing variable frequency pump, 24, check-valves, 25, pressure release electromagnetic valve, 26, relief tube, 27, secondary returning water pipe, 28, filter two, 29, thermometer three, 30, safety valve, 31, pressure sensor one, 32, circulating pump, 33, desuperheat sparge pipe, 34, Pressure gauge two, 35, temperature sensor three, 36, pressure sensor two, 37, secondary water-supply pipe, 38, Pressure gauge three, 39, flow balance valve, 40, switch board.
Detailed description of the invention
With regard to accompanying drawing 1, the efficient heat supply heating heat-exchange unit of steam source that utilizes of the present invention is described in detail below below.
As shown in Figure 1, the efficient heat supply heating heat-exchange unit of steam source that utilizes of the present invention is primarily of steam temperature-sensing valve 3, shell-and-tube heat exchanger 6, emergency shutdown valve 11, plate type heat exchanger 12, expansion tank 19, moisturizing variable frequency pump 23, pressure release electromagnetic valve 25, circulating pump 32 and switch board 40 form, shell-and-tube heat exchanger 6 is connected in series with plate type heat exchanger 12 and arranges, an import of shell-and-tube heat exchanger 6 is connected with steam pipe 1, and on steam pipe 1, steam temperature-sensing valve 3 is housed, steam pipe 1 was equipped with filter 1 before steam temperature-sensing valve 3, steam pipe 1 is also provided with thermometer 1, the once outlet of shell-and-tube heat exchanger 6 is provided with steam temperature reducing pipe 9 and is connected with an import of plate type heat exchanger 12, and Pressure gauge 1 is provided with on shell-and-tube heat exchanger 6, steam temperature reducing pipe 9 is equipped with emergency shutdown valve 11, steam temperature reducing pipe 9 was provided with temperature sensor 1 before emergency shutdown valve 11, the once outlet of plate type heat exchanger 12 is connected with condensed water discharge pipe 15, condensed water discharge pipe 15 is connected with the expansion tank 19 arranged again intakes, and condensed water discharge pipe 15 is equipped with steam trap 14, condensed water discharge pipe 15 was provided with thermometer 2 13 before steam trap 14, the secondary import of plate type heat exchanger 12 is connected with secondary returning water pipe 27, secondary returning water pipe 27 is equipped with filter 2 28, secondary returning water pipe 27 is equipped with circulating pump 32 after filter 2 28, secondary returning water pipe 27 is after filter 2 28, thermometer 3 29 is equiped with before circulating pump 32, safety valve 30 and pressure sensor 1, and be connected with moisturizing voltage-stabiliser tube 22, the other end of moisturizing voltage-stabiliser tube 22 is connected with described expansion tank 19, and moisturizing voltage-stabiliser tube 22 is connected to water outlet bottom expansion tank 19, moisturizing voltage-stabiliser tube 22 is equipped with moisturizing variable frequency pump 23 and check-valves 24, moisturizing voltage-stabiliser tube 22 is also provided with relief tube 26 and is connected with expansion tank 19 after moisturizing variable frequency pump 23 and check-valves 24, and relief tube 26 is connected to the water inlet of expansion tank 19 top, relief tube 26 is equipped with pressure release electromagnetic valve 25, expansion tank 19 also connects filling pipe 16 in addition and intakes, at filling pipe 16, moisturizing magnetic valve 17 is housed, filling pipe 16 is equipped with demineralized water treating apparatus 18 after moisturizing magnetic valve 17, level sensor 20 and temperature sensor 2 21 is also equiped with in expansion tank 19, secondary returning water pipe 27 is connected with desuperheat sparge pipe 33 after circulating pump 32, be connected with the secondary import of shell-and-tube heat exchanger 6 by desuperheat sparge pipe 33 again, the secondary outlet of plate type heat exchanger 12 is connected with secondary water-supply pipe 37, and on secondary water-supply pipe 37, be provided with temperature sensor 3 35 and pressure sensor 2 36, secondary water-supply pipe 37 is also provided with desuperheat economizer bank 7 export with the secondary of shell-and-tube heat exchanger 6 and be connected, desuperheat sparge pipe 33 enters shell-and-tube heat exchanger 6 preheating from secondary returning water pipe 27 water intaking after circulating pump 32, then import secondary water-supply pipe 37 by desuperheat economizer bank 7 to export, desuperheat sparge pipe 33 is equipped with flow balance valve 39, desuperheat sparge pipe 33 is provided with Pressure gauge 3 38 after flow balance valve 39, at the highest point of shell-and-tube heat exchanger 6 and desuperheat economizer bank 7, air bleeding valve 8 is housed, secondary returning water pipe 27 is also provided with Pressure gauge 2 34 after circulating pump 32.Described steam temperature-sensing valve 3, temperature sensor 1, emergency shutdown valve 11, moisturizing magnetic valve 17, demineralized water treating apparatus 18, level sensor 20, temperature sensor 2 21, moisturizing variable frequency pump 23, pressure release electromagnetic valve 25, pressure sensor 1, circulating pump 32, temperature sensor 3 35 are connected with switch board 40 wiring separately respectively with pressure sensor 2 36.
Operation principle of the present invention is, first the steam source that shell-and-tube heat exchanger 6 pairs of steam pipes 1 are carried carries out heat exchange desuperheat, plate type heat exchanger 12 is entered again by steam temperature reducing pipe 9, simultaneously a part of flow of secondary returning water pipe 27 enters shell-and-tube heat exchanger 6 by desuperheat sparge pipe 33 and carries out preheating after flow balance valve 39 acts on, and then import secondary water-supply pipe 37 by desuperheat economizer bank 7 and export, the temperature sensor 3 35 be contained on secondary water-supply pipe 37 detects secondary water-supply pipe 37 temperature, and be provided with out water termostat value, be contained in the automatic steam regulation pipe 1 of water termostat value that goes out that steam temperature-sensing valve 3 on steam pipe 1 sets according to temperature sensor 3 35 and enter the flow of shell-and-tube heat exchanger 6 to plate type heat exchanger 12, make secondary water-supply pipe 37 temperature maintain all the time temperature sensor 3 35 set go out in water termostat value, the temperature sensor 1 be contained on steam temperature reducing pipe 9 detects steam temperature reducing pipe 9 and enters the temperature of plate type heat exchanger 12 and be provided with the highest protection temperature value, when temperature sensor 1 detects that the temperature that steam temperature reducing pipe 9 enters plate type heat exchanger 12 exceeds the highest protection temperature value of setting, the thermal source entering plate type heat exchanger 12 is closed and cut off to emergency shutdown valve 11, be contained in pressure sensor 1 on secondary returning water pipe 27 for detecting circulating pump 32 intake pressure, and be provided with moisturizing and open pump pressure force value, moisturizing steady pressure value, super-pressure force value and water deprivation stress value four control points, when detecting that circulating pump 32 intake pressure opens pump pressure force value lower than the moisturizing that pressure sensor 1 sets, moisturizing variable frequency pump 23 starts and fetches water in expansion tank 19, and according to the moisturizing steady pressure value of setting, frequency-changing pressure stabilizing moisturizing is carried out to secondary returning water pipe 27, when moisturizing variable frequency pump 23 runs, and secondary returning water pipe 27 pressure stability is in the moisturizing steady pressure value of setting, and when maintaining 30s ~ 60s, dormancy holding state is shut down and entered to moisturizing variable frequency pump 23, moisturizing variable frequency pump 23 moisturizing terminates, when detect circulating pump 32 intake pressure higher than setting moisturizing steady pressure value and reach setting super-pressure force value and above time, pressure release electromagnetic valve 25 is opened sluicing to expansion tank 19 and is stored, when pump 32 intake pressure to be recycled returns to the moisturizing steady pressure value of setting, pressure release electromagnetic valve 25 is closed, and relief tube 26 cuts off, when detect circulating pump 32 intake pressure lower than setting water deprivation stress value and following time, secondary returning water pipe 27 lack of water will be judged, circulating pump 32 stoppage protection, when pump 32 intake pressure to be recycled returns to the moisturizing steady pressure value of setting, circulating pump 32 automatically starts and recovers normal condition, meanwhile, steam carries out by shell-and-tube heat exchanger 6 and plate type heat exchanger 12 condensed water that heat exchange becomes and discharges water pipe 15 by condensed water and enter expansion tank 19 through steam trap 14, the level sensor 20 be contained in expansion tank 19 detects expansion tank 19 water level, the temperature sensor 2 21 be contained in expansion tank 19 detects expansion tank 19 temperature, when detect expansion tank 19 water level be in level sensor 20 set lack of water water level point and following time, moisturizing variable frequency pump 23 is by stoppage protection, and report to the police, time until expansion tank 19 water level rezime and more than the low water level point that sets higher than level sensor 20 of water level, lack of water is reported to the police and is eliminated, moisturizing variable frequency pump 23 is automatically restored to normal condition.
When running water filling first, expansion tank 19 provides water source by filling pipe 16, moisturizing magnetic valve 17 is opened, demineralized water treating apparatus 18 obtains electric operation, enters expansion tank 19 moisturizing to prepare demineralized water, the variable frequency pump of moisturizing simultaneously 23 is fetched water in expansion tank 19, and to secondary returning water pipe 27, shell-and-tube heat exchanger 6, plate type heat exchanger 12 and secondary water-supply pipe 37 water filling.In the injecting process, when the low water level point that expansion tank 19 water level decreasing to level sensor 20 sets and following time, moisturizing magnetic valve 17 is opened, demineralized water treating apparatus 18 obtains electric operation, when expansion tank 19 water level rise to level sensor 20 set high water level point and above time, moisturizing magnetic valve 17 cuts out, demineralized water treating apparatus 18 dead electricity is shut down, when pressure sensor 1 detects that circulating pump 32 intake pressure reaches the moisturizing steady pressure value of setting, moisturizing magnetic valve 17 cuts out, demineralized water treating apparatus 18 dead electricity, steam temperature-sensing valve 3 is opened, steam enters shell-and-tube heat exchanger 6 to plate type heat exchanger 12 through steam pipe 1 and carries out heat exchange, steam becomes condensed water, and flow into storage in expansion tank 19, system will enter normal Heating State, and in heat transfer process, moisturizing magnetic valve 17 closed condition all the time, demineralized water treating apparatus 18 dead electricity.

Claims (6)

1. one kind utilizes the efficient heat supply heating heat-exchange unit of steam source primarily of steam temperature-sensing valve, shell-and-tube heat exchanger, emergency shutdown valve, plate type heat exchanger, expansion tank, moisturizing variable frequency pump, pressure release electromagnetic valve, circulating pump and switch board composition, it is characterized in that, an import of shell-and-tube heat exchanger is connected with steam pipe, and steam temperature-sensing valve is housed on steam pipe, the once outlet of shell-and-tube heat exchanger is provided with steam temperature reducing pipe and is connected with an import of plate type heat exchanger, steam temperature reducing pipe is equipped with emergency shutdown valve, steam temperature reducing pipe was provided with temperature sensor one before emergency shutdown valve, the once outlet of plate type heat exchanger is connected with condensed water discharge pipe, condensed water discharge pipe is connected with the expansion tank arranged again intakes, the secondary import of plate type heat exchanger is connected with secondary returning water pipe, secondary returning water pipe is equipped with circulating pump secondary returning water pipe after circulating pump, is connected with desuperheat sparge pipe, be connected with the secondary import of shell-and-tube heat exchanger by desuperheat sparge pipe again, the secondary outlet of plate type heat exchanger is connected with secondary water-supply pipe, and on secondary water-supply pipe, be provided with temperature sensor three and pressure sensor two, secondary water-supply pipe is also provided with desuperheat economizer bank export with the secondary of shell-and-tube heat exchanger and be connected.
2. according to claim 1ly utilize the efficient heat supply heating heat-exchange unit of steam source, it is characterized in that, secondary returning water pipe was equipped with filter two before circulating pump, secondary returning water pipe is provided with pressure sensor one and is connected with moisturizing voltage-stabiliser tube after filter two, before circulating pump, the other end of moisturizing voltage-stabiliser tube is connected with described expansion tank, moisturizing voltage-stabiliser tube is equipped with moisturizing variable frequency pump and check-valves, moisturizing voltage-stabiliser tube is also provided with relief tube and is connected with expansion tank after moisturizing variable frequency pump and check-valves, and relief tube is equipped with pressure release electromagnetic valve.
3. according to claim 1ly utilize the efficient heat supply heating heat-exchange unit of steam source, it is characterized in that, steam pipe was equipped with filter one before steam temperature-sensing valve, and steam pipe is also provided with thermometer one.
4. according to claim 1ly utilize the efficient heat supply heating heat-exchange unit of steam source, it is characterized in that, condensed water discharge pipe is equipped with steam trap, condensed water discharge pipe was provided with thermometer two before steam trap.
5. according to claim 1ly utilize the efficient heat supply heating heat-exchange unit of steam source, it is characterized in that, expansion tank also connects filling pipe water inlet in addition, at filling pipe, moisturizing magnetic valve is housed, filling pipe is equipped with demineralized water treating apparatus after moisturizing magnetic valve, is also equiped with level sensor and temperature sensor two in expansion tank.
6. according to claim 1ly utilize the efficient heat supply heating heat-exchange unit of steam source, it is characterized in that, desuperheat sparge pipe is equipped with flow balance valve, and desuperheat sparge pipe is provided with Pressure gauge three after flow balance valve.
CN201410592117.3A 2014-10-30 2014-10-30 Efficient heat-supply heating heat-exchange unit adopting steam heat source Pending CN104848289A (en)

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Application Number Priority Date Filing Date Title
CN201410592117.3A CN104848289A (en) 2014-10-30 2014-10-30 Efficient heat-supply heating heat-exchange unit adopting steam heat source

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Application Number Priority Date Filing Date Title
CN201410592117.3A CN104848289A (en) 2014-10-30 2014-10-30 Efficient heat-supply heating heat-exchange unit adopting steam heat source

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105783076A (en) * 2016-05-06 2016-07-20 周悦 Double-source double-backpressure multi-net residual and waste heat energy heating supply system of power plant
CN107327892A (en) * 2017-08-04 2017-11-07 内蒙古旭宸能源有限公司 Solar energy optical-thermal heat-collection heat-supply pipeline
CN110657480A (en) * 2019-09-30 2020-01-07 王建新 Energy saver of heat exchange unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105783076A (en) * 2016-05-06 2016-07-20 周悦 Double-source double-backpressure multi-net residual and waste heat energy heating supply system of power plant
CN105783076B (en) * 2016-05-06 2021-08-31 周悦 Power plant double-source double-backpressure multi-net waste heat energy heat supply system
CN107327892A (en) * 2017-08-04 2017-11-07 内蒙古旭宸能源有限公司 Solar energy optical-thermal heat-collection heat-supply pipeline
CN110657480A (en) * 2019-09-30 2020-01-07 王建新 Energy saver of heat exchange unit

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Application publication date: 20150819