CN106524126B - Steam boiler heat recovery energy-saving utilizes system - Google Patents
Steam boiler heat recovery energy-saving utilizes system Download PDFInfo
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- CN106524126B CN106524126B CN201611176222.4A CN201611176222A CN106524126B CN 106524126 B CN106524126 B CN 106524126B CN 201611176222 A CN201611176222 A CN 201611176222A CN 106524126 B CN106524126 B CN 106524126B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/54—De-sludging or blow-down devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/56—Boiler cleaning control devices, e.g. for ascertaining proper duration of boiler blow-down
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
Steam boiler heat recovery energy-saving utilizes system, belongs to art of heat pumps, for solving the problems, such as heat recovery, has technical point that including steam boiler and heat recovery energy-saving unit；The steam boiler includes sequentially connected chimney, energy-saving appliance, steam boiler ontology；The energy-saving appliance, its energy-saving appliance entrance is connect with feed pump, and energy-saving appliance inlet pressure gauge is installed in connecting pipe, energy-saving appliance exit is equipped with energy-saving appliance delivery gauge, energy-saving appliance chimney breast sensor is installed in the connecting pipe of energy-saving appliance and chimney, energy-saving appliance chimney inlet sensor is installed in the connecting pipe of energy-saving appliance and steam boiler ontology, and there is steam boiler water-supply valve, and be connected to steam boiler admission port on the pipeline.
Description
Technical field
The invention belongs to art of heat pumps, are related to heat recovery system.
Background technique
Pressure steam boiler will carry out blowdown with pressure at least once daily, and high-temperature water be discharged takes away a large amount of heat,
Substantially it does not recycle.Under current overall situation, the production cost of enterprise need to be controlled from links；If can be by this part
Heat is recycled, then can save a large amount of thermal energy, can also reduce thermal pollution caused by discharge heat.
Summary of the invention
In order to solve the problems, such as above-mentioned heat recovery, the following technical solutions are proposed by the present invention:
A kind of steam boiler heat recovery energy-saving utilizes system, including steam boiler and heat recovery energy-saving unit；The steam
Boiler includes sequentially connected chimney, energy-saving appliance, steam boiler ontology；The energy-saving appliance, energy-saving appliance entrance and feed pump connect
It connects, and energy-saving appliance inlet pressure gauge is installed in connecting pipe, energy-saving appliance exit is equipped with energy-saving appliance delivery gauge, energy-saving appliance
With energy-saving appliance chimney breast sensor is installed in the connecting pipe of chimney, in the connecting pipe of energy-saving appliance and steam boiler ontology
Energy-saving appliance chimney inlet sensor is installed, and there is steam boiler water-supply valve, and be connected to steam boiler water supply on the pipeline
Mouthful, have on the steam boiler ontology steam boiler continuous blowdown mouth, steam boiler steam port, safety valve, two-colour fluviograph,
Monochromatic water-level gauge, and 1# sewage draining exit and 2# sewage draining exit are installed in the bottom of the steam boiler ontology, in steam boiler ontology
Side be combustion chamber；
The heat recovery energy-saving unit includes sewage draining exit container, heat-exchanging water tank, flash vessel；
The steam boiler continuous blowdown mouth is connected to the flash steam entrance of flash vessel, and flash steam steam (vapor) outlet connects steam
The first end of triple valve；
The high-temperature condensation water outlet of flash vessel is connected to the pipeline of 1# sewage draining exit and 2# sewage draining exit, and is commonly connected to blowdown
The entrance of the blowdown system of flash vessel；
The third end of the gas separating opening joint noise reduction device of blowdown system, steam triple valve connects another muffler；Blowdown
Mouth container outlet connects recuperation of heat entrance four-way valve, and the second end connection recuperation of heat of steam triple valve exports four-way valve；
Recuperation of heat entrance four-way valve is connect with recuperation of heat outlet four-way valve, and two four-way valves, passes through metal elastic respectively
Property connector is connected to the different both ends of pipe heat exchanger, and pipe heat exchanger, muffler are located in heat-exchanging water tank, heat-exchanging water tank
Boiler outlet is connect with energy-saving appliance entrance.
The heat-exchanging water tank is coated by boiler insulating layer, and the heat-exchanging water tank also has boiler sewage draining exit, boiler
Overflow port, boiler ventilation mouth, and add water motor-driven valve to connect with boiler, there is hotwell level meter in heat-exchanging water tank.
Recuperation of heat entrance four-way valve nearby installs recuperation of heat inlet temperature sensor, and recuperation of heat exports four-way valve and nearby installs
Recuperation of heat outlet temperature sensor.
The steam boiler heat recovery energy-saving utilizes system, further includes intelligent controller, is separately connected with each valve.
The utility model has the advantages that recycling of the present invention to boiler blowdown with pressure (periodical blowdown and continuous blowdown) heat be discharged；It returns
It receives and carries out heat exchange recycling using pipe heat exchanger；Pipe heat exchanger fouling in heat transfer process, periodically automatic cleaning；Using steam
High-temperature retorting scale removal, while heat is also absorbed recycling；The heat of energy saver for boiler chimney recycles benefit by feed pump water supply link
With.
The flue gas heat generated when in the present invention to heat and the boiler combustion of boiler periodical blowdown, continuous blowdown is filled
The recycling divided, system are equipped with dry combustion method scale removal mode.Intelligent controller detects the heat exchange state of tubular type heat-exchange system automatically, from
Dynamic instruction dry combustion method scaler system carries out the scale cleaning of heat recovery system.Moment guarantees heat exchange recycling unit stable and high effective operation,
Improve and ensure the heat exchange efficiency of waste-heat recovery device.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is partial enlargement Fig. 1 of the invention；
Fig. 3 is partial enlargement Fig. 2 of the invention.
Wherein:
1. chimney, 2. feed pumps, 3. energy-saving appliance inlet pressure gauges, 4. energy-saving appliances, 5. steam boiler ontologies, 6.1# blowdown,
7.2# sewage draining exit, 8. two-colour fluviographs, 9. monochromatic water-level gauges, 10. burners, 11. heat recovery energy-saving units, 12. blowdown dilatancies
Device entrance, 13. blowdown systems, the outlet of 14. blowdown systems, 15. vapour separating openings, 16. heat-exchanging water tanks, the water outlet of 17. boilers
Mouthful, 18. mufflers, 19. recuperation of heat entrance four-way valves, 20. recuperation of heat inlet temperature sensors, 21. recuperation of heat outlet temperatures biography
Sensor, 22. recuperations of heat outlet four-way valve, 23. metallic elastic connectors, 24. pipe heat exchangers, 25. boiler insulating layers, 26.
Boiler sewage draining exit, 27. hotwell level meters, 28. boiler overflow ports, 29. boilers add water motor-driven valve, and 30. boilers are saturating
Port, 31. steam triple valves, the outlet of 32. high-temperature condensation waters, 33. flash vessels, 34. flash vessel steam (vapor) outlets, 35. flash vessels enter
Mouthful, 36. safety valves, 37. steam boiler admission ports, 38. steam boiler steam ports, 39.. steam boiler continuous blowdown mouth, 40. steam
Boiler furnace water-supply valve, 41. energy-saving appliance chimney inlet sensors, 42. energy-saving appliance delivery gauges, the outlet of 43. energy-saving appliances, 44. sections
Energy device entrance, 45. energy-saving appliance chimney breast sensors, 46. intelligent controllers.
Specific embodiment
A kind of steam boiler heat recovery energy-saving utilizes system, including steam boiler and heat recovery energy-saving unit 11；The steaming
Boiler furnace includes sequentially connected chimney 1, energy-saving appliance 4, steam boiler ontology 5；The energy-saving appliance 4, energy-saving appliance entrance 44 with
Feed pump 2 connects, and energy-saving appliance inlet pressure gauge 3 is installed in connecting pipe, and energy-saving appliance outlet is equipped at energy-saving appliance outlet 43
Energy-saving appliance chimney breast sensor 45, energy-saving appliance 4 and steam are installed in the connecting pipe of pressure gauge 42, energy-saving appliance 4 and chimney 1
Energy-saving appliance chimney inlet sensor 41 is installed in the connecting pipe of boiler body 5, and there is steam boiler water supply on the pipeline
Valve 40, and it is connected to steam boiler admission port 37, there is steam boiler continuous blowdown mouth 39 on the steam boiler ontology 5, steam
Boiler furnace steam port 38, safety valve 36, two-colour fluviograph 8, monochromatic water-level gauge 9, and pacify in the bottom of the steam boiler ontology 5
It is combustion chamber 10 in the side of steam boiler ontology 5 equipped with 1# sewage draining exit 6 and 2# sewage draining exit 7；
The heat recovery energy-saving unit 11 includes sewage draining exit container 13, heat-exchanging water tank 16, flash vessel 33；
The steam boiler continuous blowdown mouth 39 is connected to the flash steam entrance 35 of flash vessel 33, flash steam steam (vapor) outlet 34
Connect the first end of steam triple valve 31；
The high-temperature condensation water outlet 32 of flash vessel 33 is connected to the pipeline of 1# sewage draining exit 6 and 2# sewage draining exit 7, and is connected jointly
In the entrance 12 of the blowdown system of blowdown system 13；
The third end of the 15 joint noise reduction device 18 of gas separating opening of blowdown system, steam triple valve 31 connects another muffler
18；Sewage draining exit container outlet 14 connects recuperation of heat entrance four-way valve 19, the second end connection recuperation of heat outlet of steam triple valve 31
Four-way valve 22,
Recuperation of heat entrance four-way valve 19 is connect with recuperation of heat outlet four-way valve 22, and two four-way valves, passes through gold respectively
Belong to the different both ends that flexible connector 23 is connected to pipe heat exchanger 24, pipe heat exchanger 24, muffler 18 are located at heat-exchanging water tank
In 16, the boiler outlet 17 of heat-exchanging water tank 16 is connect with energy-saving appliance entrance 44.
The heat-exchanging water tank 16 is coated by boiler insulating layer 25, and the heat-exchanging water tank 16 also has boiler sewage draining exit
26, boiler overflow port 28, boiler ventilation mouth 30, and add water motor-driven valve 29 to connect with boiler, have in heat-exchanging water tank 16
Hotwell level meter 27.
Recuperation of heat entrance four-way valve 19 nearby installs recuperation of heat inlet temperature sensor 20, and it is attached that recuperation of heat exports four-way valve 22
Nearly installation recuperation of heat outlet temperature sensor 21.
The steam boiler heat recovery energy-saving utilizes system, further includes intelligent controller, is separately connected with each valve.
Steam boiler heat recovery energy-saving is as follows using method:
1. when waste heat take-back model:
Boiler periodical blowdown heat recovery:
Boiler is required according to operations specification, needs periodical blowdown；Boiler 1# sewage draining exit 6,2# sewage draining exit 7, two-colour fluviograph 8,
The furnace water of the monochromatic draining of water-level gauge 9 discharge height temperate zone pressure, is entered by the blowdown system entrance 12 of heat recovery energy-saving unit 11
Blowdown system 13, vapour part are directly entered heat-exchanging water tank 16 by the discharge of vapour separating opening 15；High-temperature water passes through blowdown system
14 discharge of outlet, A1, A4 opening of recuperation of heat entrance four-way valve 19, A2, A3 are closed, and recuperation of heat exports B2, B4 of four-way valve 22
Opening, B1, B3 are closed, and high-temperature water carries out heat recovery heating to boiler by pipe heat exchanger 24.
Continuous blowdown system of boiler heat recovery:
It is continuously discharged from steam boiler steam port 38, by the flash vessel 33 in heat recovery energy-saving unit 11, continuous blowdown
Entering from flash vessel entrance 35, steam is discharged from flash vessel steam (vapor) outlet 34, and C1, C2 of steam triple valve 31 are opened, C3 is closed,
Steam enters boiler, directly uses steam heat hot water.In order to avoid steam direct heating tank hot water generate noise, this
Place has installed muffler 18 additional and has been handled.The high-temperature water being discharged after flash vessel steam-water separation recycles path by boiler periodical blowdown
It is recycled again.
Sewage is pressed to exhaust in low temperature after recuperation of heat；The steam that blowdown system is isolated, which enters in hot-water cylinder, to be continued to add
Heat.When water shortage in hot water tank system, opens running water pipe boiler and water motor-driven valve 29 is added to carry out moisturizing, intelligent control to water pot
Device passes through the sensor on heat recovering heat exchanger and hot-water cylinder, the efficient operation of intelligent control single unit system；
When 2 dry combustion method scale removal operational mode:
The sensor that intelligent controller is imported and exported by heat recovering heat exchanger, automatic detection compare heat transferring medium data ginseng
Number automatically switches to dry combustion method scale removal operational mode when occurring abnormal, and the steam of the outlet of flash vessel passes through steam triple valve C
C1, C3 open, C2 close, be redirected back into from sewerage media outlet, the entrance of heat recovering heat exchanger, exported by recuperation of heat
B3, B4 of four-way valve B is opened, and B1, B2 are closed, and is opened by A2, A4 of recuperation of heat entrance four-way valve A, and A1, A3 are closed, and are carried out
Scouring type dry combustion method scale removal, it is blocky scale piece that scale can be cracked in the form of sheets, granular due to scale and thermal expansion metal difference of coefficients
Impurity is simultaneously removed by purging, while dry combustion method steam heat is recycled by the heat exchanger in hot-water cylinder；Original is then switched back to change
Heat pattern, residual scale particles will continue to be rinsed out by high-pressure sewage, complete automatic dry combustion method scale removal process；
3. when thermal de-aeration operational mode: it is exchanged heat and is recycled by the heat energy conservation in sewage discharge, the height that flash vessel comes out
Warm condensed water carries out heat heat exchange energy conservation recycling with sewage, is improved water tank temperature；The steam that flash vessel comes out simultaneously is logical
C1, the C2 for crossing steam triple valve 31C are opened, and the steam that C3 is closed and blowdown system comes out, which respectively enters in hot-water cylinder, to be connected
Connect muffler, the water in hot-water cylinder heated --- i.e. completion overall process heating power energy conservation deoxygenation operational mode.
4. when residual heat from boiler fume recycling and energy saving water supply operational mode: water is recycled by thermal energy in hot-water cylinder and heating power removes
Oxygen elevates the temperature；High-temperature-hot-water takes out hot water by feed pump 2 when boiler control system issues instruction requirement and supplies water simultaneously
Hot water in case, by energy-saving appliance 4, and the reversed heat convection of flue gas, into steam boiler admission port 37；System improves pot again
Furnace water supply inflow temperature, the heat in abundant recovered flue gas reduce exhaust gas temperature, shorten the boiler for producing steam time, save pot
The supply of furnace fuel, reaches the more energy saving purpose of boiler system.
The preferable specific embodiment of the above, only the invention, but the protection scope of the invention is not
It is confined to this, anyone skilled in the art is in the technical scope that the invention discloses, according to the present invention
The technical solution of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection scope it
It is interior.
Claims (4)
1. a kind of steam boiler heat recovery energy-saving utilizes system, which is characterized in that including steam boiler and heat recovery energy-saving unit
(11)；The steam boiler includes sequentially connected chimney (1), energy-saving appliance (4), steam boiler ontology (5)；The energy-saving appliance
(4), energy-saving appliance entrance (44) is connect with feed pump (2), and installs energy-saving appliance inlet pressure gauge (3) in connecting pipe, energy conservation
It is equipped with energy-saving appliance delivery gauge (42) at device outlet (43), section is installed in the connecting pipe of energy-saving appliance (4) and chimney (1)
Energy-saving appliance chimney is installed in energy device chimney breast sensor (45), energy-saving appliance (4) and the connecting pipe of steam boiler ontology (5)
Inlet sensor (41), and there are steam boiler water-supply valve (40) on the pipeline, and be connected to steam boiler admission port (37), institute
State on steam boiler ontology (5) have steam boiler continuous blowdown mouth (39), steam boiler steam port (38), safety valve (36),
Two-colour fluviograph (8), monochromatic water-level gauge (9), and the bottom of the steam boiler ontology (5) be equipped with 1# sewage draining exit (6) and
2# sewage draining exit (7) is combustion chamber (10) in the side of steam boiler ontology (5)；
The heat recovery energy-saving unit (11) includes sewage draining exit container (13), heat-exchanging water tank (16), flash vessel (33)；
The steam boiler continuous blowdown mouth (39) is connected to the flash steam entrance (35) of flash vessel (33), flash steam steam (vapor) outlet
(34) first end of steam triple valve (31) is connected；
The high-temperature condensation water outlet (32) of flash vessel (33) is connected to the pipeline of 1# sewage draining exit (6) and 2# sewage draining exit (7), and common
It is connected to the entrance (12) of the blowdown system of blowdown system (13)；
The third end of gas separating opening (15) joint noise reduction device (18) of blowdown system, steam triple valve (31) connects another noise reduction
Device (18)；Sewage draining exit container outlet (14) connects recuperation of heat entrance four-way valve (19), the second end connection of steam triple valve (31)
Recuperation of heat exports four-way valve (22)；
Recuperation of heat entrance four-way valve (19) is connect with recuperation of heat outlet four-way valve (22), and two four-way valves, passes through gold respectively
Belong to the different both ends that flexible connector (23) are connected to pipe heat exchanger (24), pipe heat exchanger (24), muffler (18) are located at
In heat-exchanging water tank (16), the boiler outlet (17) of heat-exchanging water tank (16) is connect with energy-saving appliance entrance (44)；
Steam boiler heat recovery energy-saving is as follows using method:
When the first, waste heat take-back model:
Boiler periodical blowdown heat recovery:
Boiler is required according to operations specification, needs periodical blowdown；Boiler 1# sewage draining exit (6), 2# sewage draining exit (7), two-colour fluviograph
(8), monochromatic water-level gauge (9) drains the furnace water of discharge height temperate zone pressure, is entered by the blowdown system of heat recovery energy-saving unit (11)
Mouth (12) enters blowdown system (13), and vapour part is directly entered heat-exchanging water tank (16) by vapour separating opening (15) discharge；High temperature
Water is closed by blowdown system outlet (14) discharge, A1, A4 opening of recuperation of heat entrance four-way valve (19), A2, A3, recuperation of heat
B2, B4 opening, B1, B3 closing of four-way valve (22) are exported, high-temperature water carries out heat to boiler by pipe heat exchanger (24)
Recycling heating；
Continuous blowdown system of boiler heat recovery:
It is continuously discharged from steam boiler steam port (38), it is continuous to arrange by the flash vessel (33) in heat recovery energy-saving unit (11)
Dirt enters from flash vessel entrance (35), and steam is discharged from flash vessel steam (vapor) outlet (34), and C1, C2 of steam triple valve (31) are beaten
It opens, C3 closing, steam enters boiler, directly uses steam heat hot water, and the high-temperature water being discharged after flash vessel steam-water separation is logical
Boiler periodical blowdown recycling path is crossed to be recycled again；
Sewage is pressed to exhaust in low temperature after recuperation of heat；The steam that blowdown system is isolated, which enters, to be continued to heat in hot-water cylinder, when
In hot water tank system when water shortage, running water pipe is opened, boiler adds water motor-driven valve (29) to carry out moisturizing, intelligent controller to water pot
Pass through the sensor on heat recovering heat exchanger and hot-water cylinder, the operation of intelligent control single unit system；
When the 2nd, dry combustion method scale removal operational mode: the sensor that intelligent controller is imported and exported by heat recovering heat exchanger, it is automatic to examine
It surveys and compares heat transferring medium data parameters, when occurring abnormal, automatically switch to dry combustion method scale removal operational mode, the outlet of flash vessel
Steam passes through steam triple valve C, and C1, C3 are opened, and C2 is closed, anti-from sewerage media outlet, the entrance of heat recovering heat exchanger
To entrance, four-way valve B is exported by recuperation of heat, B3, B4 are opened, and B1, B2 are closed, by recuperation of heat entrance four-way valve A,
A2, A4 are opened, and A1, A3 are closed, and carry out scouring type dry combustion method scale removal, due to scale and thermal expansion metal difference of coefficients, scale can be in
The blocky scale piece of sheet cracking, particulate inclusions are simultaneously removed by purging, while dry combustion method steam heat passes through the heat exchange in hot-water cylinder
Device is recycled；Former heat exchange mode is then switched back to, residual scale particles will continue to be rinsed out by high-pressure sewage, complete automatic dry
Burn off dirt process；
When the 3rd, thermal de-aeration operational mode: it is exchanged heat and is recycled by the heat energy conservation in sewage discharge, the high temperature that flash vessel comes out
Condensed water carries out heat heat exchange energy conservation recycling with sewage, is improved water tank temperature；The steam that flash vessel comes out simultaneously passes through
Steam triple valve C, C1, C2 opening, the steam that C3 is closed and blowdown system comes out respectively enter connection in hot-water cylinder and disappear
Sound device heats the water in hot-water cylinder, completes overall process heating power energy conservation deoxygenation operational mode；
When the recycling of the 4th, residual heat from boiler fume and energy saving water supply operational mode: water is recycled by thermal energy in hot-water cylinder and heating power removes
Oxygen elevates the temperature；High-temperature-hot-water takes out heat by feed pump (2) when boiler control system issues instruction requirement and supplies water simultaneously
Hot water in water tank, by energy-saving appliance (4), and the reversed heat convection of flue gas, into steam boiler admission port (37)；System is again
Boiler feedwater inflow temperature is improved, the heat in abundant recovered flue gas reduces exhaust gas temperature, shortens the boiler for producing steam time,
Boiler oil supply is saved, the more energy saving purpose of boiler system is reached.
2. a kind of steam boiler heat recovery energy-saving as described in claim 1 utilizes system, which is characterized in that the heat-exchanging water tank
(16) it is coated by boiler insulating layer (25), and the heat-exchanging water tank (16) also has boiler sewage draining exit (26), boiler overflow
Mouth (28), boiler ventilation mouth (30), and add water motor-driven valve (29) to connect with boiler, there is boiler in heat-exchanging water tank (16)
Water-level gauge (27).
3. a kind of steam boiler heat recovery energy-saving as described in claim 1 utilizes system, which is characterized in that recuperation of heat entrance four
Port valve (19) nearby installs recuperation of heat inlet temperature sensor (20), and recuperation of heat outlet four-way valve (22) is nearby installed recuperation of heat and gone out
Mouth temperature sensor (21).
4. a kind of steam boiler heat recovery energy-saving as described in claims 1 or 2 or 3 utilizes system, which is characterized in that further include
Intelligent controller is separately connected with each valve.
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| CN201611176222.4A CN106524126B (en) | 2016-12-19 | 2016-12-19 | Steam boiler heat recovery energy-saving utilizes system |
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| CN107741010A (en) * | 2017-11-16 | 2018-02-27 | 陕西西咸新区博源能源工程有限公司 | A kind of boiler blowdown water waste heat and water resource recycling system |
| CN109990258A (en) * | 2019-04-03 | 2019-07-09 | 田子印 | A kind of gas fuel steam, hot-water boiler |
| CN110260289A (en) * | 2019-06-27 | 2019-09-20 | 闵含金 | A kind of steam boiler vapor recycling system and method |
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| US20100300658A1 (en) * | 2009-05-26 | 2010-12-02 | Vladimir Moldovanu | Method and system of recovering the heat wasted from the steam boilers continuous blow down to preheat the boiler combustion air |
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| CN201715490U (en) * | 2010-04-26 | 2011-01-19 | 河南中烟工业有限责任公司 | Waste heat comprehensive recovery system of fuel gas boiler |
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Denomination of invention: Energy saving and utilization system for steam boiler heat recovery Effective date of registration: 20230614 Granted publication date: 20190426 Pledgee: China Construction Bank Corporation Dalian Jinpu New Area Branch Pledgor: DALIAN SHENGDING INDUSTRY EQUIPMENT Co.,Ltd. Registration number: Y2023980043988 |