CN112178605A - Integrated two-stage temperature-rising efficient energy-saving heat pipe steam generator - Google Patents
Integrated two-stage temperature-rising efficient energy-saving heat pipe steam generator Download PDFInfo
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- CN112178605A CN112178605A CN202010917450.2A CN202010917450A CN112178605A CN 112178605 A CN112178605 A CN 112178605A CN 202010917450 A CN202010917450 A CN 202010917450A CN 112178605 A CN112178605 A CN 112178605A
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 120
- 239000003546 flue gas Substances 0.000 claims abstract description 117
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 24
- 238000005086 pumping Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 239000002918 waste heat Substances 0.000 abstract description 13
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000005192 partition Methods 0.000 abstract description 5
- 238000001704 evaporation Methods 0.000 description 23
- 230000008020 evaporation Effects 0.000 description 23
- 239000012535 impurity Substances 0.000 description 8
- 239000000779 smoke Substances 0.000 description 5
- 241000883990 Flabellum Species 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 239000003651 drinking water Substances 0.000 description 4
- 235000020188 drinking water Nutrition 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1869—Hot gas water tube boilers not provided for in F22B1/1807 - F22B1/1861
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/08—Adaptations for driving, or combinations with, pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/04—Units comprising pumps and their driving means the pump being fluid driven
- F04D13/043—Units comprising pumps and their driving means the pump being fluid driven the pump wheel carrying the fluid driving means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
- F28D7/085—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
- F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F2013/001—Particular heat conductive materials, e.g. superconductive elements
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses an integrated two-stage heating high-efficiency energy-saving heat pipe steam generator which comprises a flue gas pipe, wherein an air inlet connecting pipe and an air outlet connecting pipe are respectively arranged at the upper end and the lower end of the flue gas pipe, a steam tank is arranged on the outer side wall of the flue gas pipe in a surrounding mode, a water inlet pipe is arranged at the lower end of the steam tank, a first-stage exhaust pipe and a safety pipe are arranged above the steam tank, a safety valve is arranged on the safety pipe, a partition plate is arranged in the steam tank, and a steam cavity and a water storage cavity are respectively arranged on. The invention has smart structure, increases the heat transfer efficiency and the utilization rate of the high-temperature flue gas waste heat through the spiral heat pipe and the secondary heating heat pipe, increases the waste heat utilization rate of low-temperature flue gas through the staged heating of a plurality of steam tanks, and pumps water through the pneumatic liquid pump by utilizing the kinetic energy of the flue gas, thereby reducing the energy consumption of equipment.
Description
Technical Field
The invention relates to the technical field of waste heat utilization, in particular to an integrated two-stage heating high-efficiency energy-saving heat pipe steam generator.
Background
The boiler produces the high temperature flue gas in the combustion operation process, and the direct emission of high temperature flue gas can lead to thermal loss and lead to the fact great pollution to air circumstance, consequently, need carry out pollution-free treatment after reducing boiler flue gas heat and discharge again, for the heat of not extravagant flue gas, discharges again after utilizing the flue gas heat.
The existing heat pipe steam generator generally adopts the traditional heat pipe to be vertically installed in a flue gas pipe and a steam boiler, the heat of the flue gas is transferred into water in the modes of evaporation heat absorption and condensation heat release, and water is heated to generate steam, but the traditional heat pipe is vertically installed to ensure that the heat transfer efficiency is lower, the steam temperature generated is lower, and the utilization rate of the heat of the flue gas is lower.
Disclosure of Invention
The invention aims to solve the defects of low heat transfer efficiency and low flue gas heat utilization rate in the prior art, and provides an integrated two-stage heating high-efficiency energy-saving heat pipe steam generator.
In order to achieve the purpose, the invention adopts the following technical scheme:
an integrated two-stage temperature-rising high-efficiency energy-saving heat pipe steam generator comprises a flue gas pipe, wherein an air inlet connecting pipe and an air outlet connecting pipe are respectively installed at the upper end and the lower end of the flue gas pipe, a steam tank is installed on the outer side wall of the flue gas pipe in a surrounding manner, an air inlet pipe is installed at the lower end of the steam tank, a primary exhaust pipe and a safety pipe are installed above the steam tank, a safety valve is installed on the safety pipe, a partition plate is installed in the steam tank, a steam cavity and a water storage cavity are respectively arranged on the upper layer and the lower layer of the partition plate, a plurality of fixing devices are symmetrically installed on the inner wall of the flue gas pipe, a plurality of spiral heat pipes are respectively installed on the fixing devices, the upper port and the lower port of each spiral heat pipe respectively extend into the steam cavity and the water storage cavity, the secondary heating pipe comprises a gas inlet and a gas outlet, a connecting pipe is installed on the primary exhaust pipe, the gas inlet of the secondary heating pipe extends to the outer side of the flue gas pipe and is connected with the connecting pipe, the spiral heat pipe comprises an outer pipe wall and an inner pipe wall, a vacuum cavity is arranged between the outer pipe wall and the inner pipe wall, superconductive heat powder is filled in the vacuum cavity, and a plurality of porous flow-slowing plates are installed on the inner pipe wall of the spiral heat pipe at equal intervals;
the spiral heat pipe is arranged in the flue gas pipe, so that the heat exchange area and the heat exchange time of water and high-temperature flue gas are increased, the water in the spiral heat pipe can be quickly heated to a critical state for evaporation, and the evaporation efficiency is increased;
the porous flow buffering plate can slow down the flowing speed of water in the spiral heat pipe, the influence on steam is small, the flow speed of the water is slowed down, high-temperature flue gas can quickly exchange heat with a small amount of water through the spiral heat pipe in unit time, the heat exchange speed and the evaporation speed are increased, and the water evaporation is more efficient;
the second grade intensifies heat pipe passes through U type structural mounting in the below of air inlet connection pipe for steam in the steam chamber can heat up once more through second grade intensification heat pipe, converts the vapor into, has improved the waste heat utilization to the high temperature flue gas promptly, also can avoid in pipeline transmission process temperature loss to lead to the pipeline in the long-pending liquid serious and cause danger or temperature loss to lead to thermal utilization ratio to reduce.
Preferably, the installation height of the guide plates decreases circularly, and a plurality of guide plates and a plurality of spiral heat pipes are installed in turn;
the high temperature flue gas forms the whirl flue gas through surrounding the guide plate of degressive installation, the flue gas of whirl flows through from the flue gas pipe and makes the high temperature flue gas increase at the intraductal dwell time of flue gas, heat transfer time and heat transfer temperature have been increased promptly, heat exchange efficiency has been increased promptly, and the flue gas of whirl makes the impurity that contains in the flue gas receive centrifugal force's influence at whirl flue gas outside whirl, impurity rotates along the inner wall of flue gas pipe promptly, reduce the striking and the friction of impurity in the flue gas to the spiral heat pipe, increase spiral heat pipe's life and spiral heat pipe's pressure resistance.
Preferably, the composition structure of the secondary heating heat pipe is the same as that of the spiral heat pipe;
the secondary heating heat pipe and the spiral heat pipe are used for conducting nanoparticle oscillation heat conduction through the superconducting heat powder, the heat conduction speed is high, the heat conduction efficiency is high, and the heat conduction and heat exchange efficiency is improved.
Preferably, a plurality of steam tanks are equidistantly mounted on the outer side wall of the flue gas pipe, an air inlet of the secondary heating pipe extends to the outer side of the flue gas pipe and is provided with a gas collecting pipe, a plurality of branch pipes are mounted on the gas collecting pipe and are respectively connected with a plurality of primary exhaust pipes, each branch pipe is provided with an electromagnetic valve, and the water inlet pipe on the upper layer is connected with the safety pipe on the lower layer;
the multiple steam tanks can evaporate water step by step, so that the heat utilization rate of high-temperature flue gas is increased, the water can be heated to a high-temperature critical state step by step in the flue gas with lower temperature, steam can be rapidly generated under the low-temperature flue gas through step heating, and the efficiency of the steam generator is increased;
the solenoid valve can select to open suitable quantity according to the height of gas temperature, and gas temperature is low promptly, needs multistage evaporation, then closes more solenoid valve, and gas temperature is high, can the rapid evaporation, then opens more solenoid valve for waste heat steam generator can all can high efficiency's output steam under different gas temperature.
Preferably, the inner wall of the lower end of the flue gas pipe is provided with a pneumatic liquid pump, the pneumatic liquid pump comprises an annular pump casing arranged on the inner wall of the flue gas pipe, an inner ring of the annular pump casing is provided with an inner annular wall ring in a sealing and rotating manner, the inner wall of the inner annular wall ring is provided with airflow fan blades, a plurality of pump blades are arranged on the outer wall of the inner annular wall ring in an annular and equidistant manner, the lower end of the water inlet pipe extends into the annular pump casing, a water pumping pipe is arranged on the annular pump casing, and one end, far away from the annular pump casing, of the water pumping;
when the intraductal flue gas that flows of flue gas passes through the air current flabellum, can make the air current flabellum drive annular pump case internal rotation under the inner ring wall circle, make and to get many pump blades at annular pump case internal rotation, make the rotatory air current of formation in the annular pump case, make promptly and produce the air current in drinking-water pipe and the water inlet pipe that communicate with the annular pump case, the drinking-water pipe can send into the inlet tube with the water suction from the annular pump case promptly, effectively utilized the kinetic energy of flue gas, reduced the energy consumption to steam drum internal pumping water, the energy consumption of equipment has been reduced promptly.
The invention has the following beneficial effects:
1. install in flue gas pipeline through spiral heat pipe, increase the area and the time of heat transfer of water in the spiral heat pipe and high temperature flue gas for the hydroenergy in the spiral heat pipe can heat to critical state evaporation fast, increases the speed of evaporation and the efficiency of evaporation.
2. Make the water velocity of the upward flow in the spiral heat pipe slow down through porous unhurried current board, can make in the unit interval high temperature flue gas carry out the rapid heat transfer with less water promptly for less water can be by the flash evaporation, increase the speed of evaporation, and porous unhurried current board is lower to the steam resistance that forms after the evaporation, and it is lower to the steam flow influence promptly, increases steam output and exhaust speed, increases steam generator's efficiency promptly.
3. The discharged water vapor is subjected to heat exchange in the smoke pipe again through the secondary heating pipe, so that the water vapor is converted into high-temperature water vapor in the secondary heating pipe, the waste heat utilization of high-temperature smoke is improved, and the phenomenon that the accumulated liquid in the pipeline is serious and dangerous or the temperature loss causes heat utilization rate reduction in the pipeline transmission process due to temperature loss can be avoided.
4. A plurality of guide plates through the annular height degressive installation make the high temperature flue gas form the whirl flue gas when passing through the flue gas pipe, the flue gas of whirl can increase the time of high temperature flue gas in the flue gas pipe, heat transfer time has been increased promptly, make the high temperature flue gas can fully pass through spiral heat pipe with heat transfer to aquatic product production steam, heat exchange efficiency has been increased promptly, and the flue gas of whirl produces centrifugal force and makes impurity in the flue gas discharge along flue gas pipe inner wall whirl, reduce striking and the friction of impurity to spiral heat pipe, increase spiral heat pipe's life-span and compressive property.
5. The secondary heating heat pipe and the spiral heat pipe are used for conducting nanoparticle oscillation heat conduction through the superconducting heat powder, the heat conduction speed is high, the heat conduction efficiency is high, and the heat transfer efficiency is improved.
6. Can evaporate water step by step through a plurality of steam drum, increase the heat utilization ratio to the high temperature flue gas, and can heat water to the high temperature critical state step by step in the lower flue gas of temperature, the steam can be put out fast to the step heating under the low temperature flue gas, increases steam generator's efficiency.
7. Can select to open suitable quantity according to the height of gas temperature through the solenoid valve, gas temperature is low promptly, needs multistage evaporation, then closes more solenoid valve, and gas temperature is high, can rapid evaporation, then opens more solenoid valve, can all be high efficiency's output steam under different gas temperature promptly.
8. The kinetic energy of the smoke flowing in the smoke pipe is converted into the rotary mechanical energy of the inner annular wall ring through the airflow fan blade of the pneumatic liquid pump, and then the rotary airflow is generated in the annular pump shell through the pump blade, so that the water pumping pipe is conveyed into the steam tank through the pneumatic liquid pump and the water inlet pipe, the kinetic energy of the smoke is effectively utilized, the electric energy consumption is saved,
in conclusion, the spiral heat pipe type water heater is ingenious in structure, heat transfer efficiency and utilization rate of high-temperature flue gas waste heat are increased through the spiral heat pipe and the secondary heating heat pipe, waste heat utilization rate of low-temperature flue gas is increased through staged heating of the plurality of steam tanks, water is pumped in through the pneumatic liquid pump by utilizing kinetic energy of the flue gas, and energy consumption of equipment is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an integrated two-stage temperature-raising high-efficiency energy-saving heat pipe steam generator according to the present invention;
FIG. 2 is an enlarged view of a flue gas pipe portion of the integrated two-stage temperature-raising high-efficiency energy-saving heat pipe steam generator provided by the invention;
FIG. 3 is an enlarged view of a spiral heat pipe portion of the integrated two-stage temperature-raising high-efficiency energy-saving heat pipe steam generator provided by the present invention;
FIG. 4 is a schematic structural diagram of the second embodiment;
FIG. 5 is a schematic structural diagram of the third embodiment;
FIG. 6 is an enlarged perspective view of a portion of the pneumatic liquid pump according to a third embodiment;
FIG. 7 is an enlarged plan view of a part of the pneumatic liquid pump according to the third embodiment.
In the figure: 1 flue gas pipe, 11 air inlet connecting pipe, 12 air outlet connecting pipe, 101 guide plate, 102 fixer, 2 steam tank, 21 division plate, 22 steam cavity, 221 safety pipe, 2211 safety valve, 222 primary exhaust pipe, 2221 connecting pipe, 23 water storage cavity, 231 water inlet pipe, 3 spiral heat pipe, 31 outer pipe wall, 32 inner pipe wall, 321 porous buffer plate, 33 vacuum cavity, 331 superconductive heat powder, 4 secondary heating heat pipe, 41 air inlet, 42 air outlet, 5 gas collecting pipe, 51 branch pipe, 511 electromagnetic valve, 6 pneumatic liquid pump, 61 annular pump shell, 62 inner ring wall ring, 621 airflow fan blade, 622 pump blade, 63 water pumping pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The first embodiment is as follows:
referring to fig. 1-3, the integrated two-stage temperature-rising high-efficiency energy-saving heat pipe steam generator comprises a flue gas pipe 1, wherein an air inlet connecting pipe 11 and an air outlet connecting pipe 12 are respectively installed at the upper end and the lower end of the flue gas pipe 1, a steam tank 2 is installed on the outer side wall of the flue gas pipe 1 in a surrounding manner, a water inlet pipe 231 is installed at the lower end of the steam tank 2, a first-stage exhaust pipe 222 and a safety pipe 221 are installed above the steam tank 2, a safety valve 2211 is installed on the safety pipe 221, a partition plate 21 is installed in the steam tank 2, a steam cavity 22 and a water storage cavity 23 are respectively arranged on the upper layer and the lower layer of the partition plate 21, a plurality of fixers 102 are symmetrically installed on the inner wall of the flue gas pipe 1, a plurality of spiral heat pipes 3 are respectively installed on the fixers, the upper port and the lower port of each spiral heat pipe 3 extend into the steam, the secondary heating heat pipe 4 comprises a gas inlet 41 and a gas outlet 42, a connecting pipe 2221 is installed on the primary exhaust pipe 222, the gas inlet 41 of the secondary heating heat pipe 4 extends to the outer side of the flue gas pipe 1 and is connected with the connecting pipe 2221, the spiral heat pipe 3 comprises an outer pipe wall 31 and an inner pipe wall 32, a vacuum cavity 33 is arranged between the outer pipe wall 31 and the inner pipe wall 32, the vacuum cavity 33 is filled with superconducting heat powder 331, and a plurality of porous flow-slowing plates 321 are equidistantly installed on the inner pipe wall 32 of the spiral heat pipe 3;
the spiral heat pipe 3 is arranged in the flue gas pipe 1, so that the heat exchange area and the heat exchange time of water and high-temperature flue gas are increased, the water in the spiral heat pipe 3 can be quickly heated to a critical state for evaporation, and the evaporation efficiency is increased;
the porous flow buffering plate 321 can slow down the flow speed of water in the spiral heat pipe 3, the influence on steam is small, the flow speed of the water is slowed down, high-temperature flue gas can quickly exchange heat with a small amount of water through the spiral heat pipe 3 in unit time, the heat exchange speed and the evaporation speed are increased, and water evaporation is more efficient;
second grade intensification heat pipe 4 passes through U type structural mounting in the below of air inlet connection pipe 11 for steam in the steam chamber 22 can heat up once more through second grade intensification heat pipe 4, converts the vapor into, has improved the waste heat utilization to the high temperature flue gas promptly, also can avoid in pipeline transmission process temperature loss to lead to the pipeline in the long-pending liquid serious and cause danger or temperature loss to lead to thermal utilization ratio to reduce.
The installation height of the guide plates 101 is reduced circularly, and a plurality of guide plates 101 and a plurality of spiral heat pipes 3 are installed for a plurality of times;
the high temperature flue gas forms the whirl flue gas through encircleing the guide plate 101 of degressive installation, the flue gas of whirl flows from flue gas pipe 1 and makes the high temperature flue gas dwell time increase in flue gas pipe 1, heat transfer time and heat transfer temperature have been increased, heat exchange efficiency has been increased promptly, and the flue gas of whirl makes the impurity that contains in the flue gas receive centrifugal force's influence at whirl flue gas outside whirl, impurity rotates along the inner wall of flue gas pipe 1 promptly, reduce the striking and the friction of impurity in the flue gas to spiral heat pipe 3, increase spiral heat pipe 3's life and spiral heat pipe 3's pressure resistance.
The composition structure of the secondary heating heat pipe 4 is the same as that of the spiral heat pipe 3;
the secondary heating heat pipe 4 and the spiral heat pipe 3 conduct nanoparticle oscillation heat conduction through the superconducting heat powder 331, the heat conduction speed is high, the heat conduction efficiency is high, and the heat conduction and heat exchange efficiency is improved.
In this embodiment, water is first added into the water storage cavity 23 through the water inlet pipe 231, then high temperature flue gas is introduced through the air inlet connection pipe 11, the water level in the water storage cavity 23 continuously rises, so that water flows upwards through the spiral heat pipe 3, the flowing water flow is blocked by the porous buffer plate 321 to slow down the flow rate of the water, the high temperature flue gas is guided by the guide plate 101 installed with the gradually decreasing heat exchange height in the flowing process to form a rotating flue gas flow, the rotating flue gas flow starts heat exchange through the spiral heat pipe 3, the heat of the flue gas is transferred to the superconducting heat powder 331, the superconducting heat powder 331 vibrates at high frequency and transfers the heat to the water in the spiral heat pipe 3 with extremely low loss, so that the water is rapidly heated and evaporated into steam, the steam flows upwards along the spiral heat pipe 3 into the steam cavity 22, then is discharged into the connection pipe 2221 through the primary exhaust pipe 222, and enters the secondary heating heat pipe, the water vapor entering the secondary heating pipe 4 is heated again, so that the water vapor is converted into the water vapor and is discharged from the gas outlet 42, the utilization rate of the flue gas waste heat is further increased, and the phenomenon that the temperature loss in the pipeline transmission process causes serious liquid accumulation in the pipeline to cause danger or the temperature loss causes reduction of the utilization rate of heat is avoided.
Example two:
referring to fig. 4, the integrated two-stage temperature-raising high-efficiency energy-saving heat pipe steam generator is substantially the same as the first embodiment except that:
a plurality of steam tanks 2 are equidistantly mounted on the outer side wall of the flue gas pipe 1, an air inlet 41 of the secondary heating heat pipe 4 extends to the outer side of the flue gas pipe 1 and is provided with a gas collecting pipe 5, a plurality of branch pipes 51 are mounted on the gas collecting pipe 5, the plurality of branch pipes 51 are respectively connected with a plurality of primary exhaust pipes 222, each branch pipe 51 is provided with an electromagnetic valve 511, and an upper water inlet pipe 231 is connected with a lower safety pipe 221;
the steam tanks 2 can evaporate water step by step, so that the heat utilization rate of high-temperature flue gas is increased, the water can be heated to a high-temperature critical state step by step in the flue gas with lower temperature, steam can be rapidly generated under the low-temperature flue gas through step heating, and the efficiency of the steam generator is increased;
the solenoid valve 511 can select to open suitable quantity according to the flue gas temperature, and flue gas temperature is low promptly, needs multistage evaporation, then closes more solenoid valve 511, and flue gas temperature is high, can rapid evaporation, then opens more solenoid valve 511 for waste heat steam generator can all can high efficiency's output steam under different flue gas temperature.
In this embodiment, during the low-temperature flue gas utilization, the first-stage exhaust pipes 222 on the plurality of steam cans 2 at the lower layer are closed, water flows enter the water storage cavity 23 of the steam can 2 at the lowest layer along the water inlet pipe 231, then the water evaporation part in the spiral heat pipe 3 enters the steam cavity 22 through the heat conduction of the spiral heat pipe 3, and due to the low temperature and the slow evaporation speed, part of the water flows enter the steam cavity 22 through the spiral heat pipe 3 after being heated up, then the steam is mixed with the steam in the steam cavity 22, the water vapor enters the water storage cavity 23 in the steam can 2 at the upper layer through the safety pipe 221, then the water vapor is reheated through the spiral heat pipe 3 and enters the steam cavity 22, and is continuously and gradually heated and evaporated in the plurality of steam cans 2, so that the temperature of the water vapor is continuously increased, that the waste heat utilization rate of the low-temperature flue gas is increased, and the heated water continuously rises and enters the steam can, further increasing the utilization rate of the low-temperature flue gas waste heat.
Example three:
referring to fig. 5-7, the integrated two-stage temperature-raising high-efficiency energy-saving heat pipe steam generator is substantially the same as the first embodiment except that:
the lower end inner wall of the flue gas pipe 1 is provided with the pneumatic liquid pump 6, the pneumatic liquid pump 6 comprises an annular pump shell 61 arranged on the inner wall of the flue gas pipe 1, the inner ring of the annular pump shell 61 is provided with an inner annular wall ring 62 in a sealing and rotating mode, the inner wall of the inner annular wall ring 62 is provided with airflow fan blades 621, the outer wall of the inner annular wall ring 62 is provided with a plurality of pump blades 622 in an annular and equidistant mode, the lower end of the water inlet pipe 231 extends into the annular pump shell 61, the annular pump shell 61 is provided with a water pumping pipe 63, and one end, far away from the annular pump shell 61;
when the flue gas that flows in flue gas pipe 1 passes through air current flabellum 621, can make air current flabellum 621 drive annular pump case 61 internal rotation under the inner ring wall circle 62, make and to have a plurality of pump leaf 622 internal rotation in annular pump case 61, make the interior rotatory air current that forms of annular pump case 61, make promptly produce the air current in drinking-water pipe 63 and the inlet tube 231 that communicate with annular pump case 61, drinking-water pipe 63 can be with the water suction and send into the inlet tube 231 from annular pump case 61 promptly, effectively utilized the kinetic energy of flue gas, the energy consumption to the 2 internal pumping of steam drum has been reduced, the energy consumption of equipment has been reduced promptly.
In this embodiment, the heat-exchanged flue gas is discharged to the air outlet connection pipe 12 through the air flow fan blade 621 of the pneumatic liquid pump 6, so that the air flow fan blade 621 rotates in the air flow, so that the inner annular wall ring 62 rotates in the annular pump housing 61, so that the plurality of pump blades 622 rotate in the annular pump housing 61 to generate a rotating air flow, the rotating air flow generates a suction force in the water pumping pipe 63 and generates a thrust force in the water inlet pipe 231, the rotating air flow sucks water through the water pumping pipe 63 and discharges the water into the water storage cavity 23 through the water inlet pipe 231, the kinetic energy of the flue gas is effectively utilized, and the electric energy in pumping water is saved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. Integral type second grade intensification energy-efficient heat pipe steam generator, including flue gas pipe (1), its characterized in that, encircle on the lateral wall of flue gas pipe (1) and install steam drum (2), inlet tube (231) are installed to the lower extreme of steam drum (2), one-level blast pipe (222) and safety pipe (221) are installed to the top of steam drum (2), install connecting pipe (2221) on one-level blast pipe (222), install division board (21) in steam drum (2), the upper and lower floor of division board (21) is steam chamber (22) and water storage chamber (23) respectively, a plurality of fixer (102) are installed to the symmetry on the inner wall of flue gas pipe (1), and is a plurality of install a plurality of spiral heat pipe (3) on the fixer respectively, the last port and the lower port of spiral heat pipe (3) extend to in steam chamber (22) and water storage chamber (23) respectively, the utility model discloses a flue gas pipe, including flue gas pipe (1), gas inlet (31), spiral heat pipe (3), gas inlet (41) of second grade intensification heat pipe (4), spiral heat pipe (3) include outer pipe wall (31) and interior pipe wall (32), be provided with vacuum cavity (33) between outer pipe wall (31) and interior pipe wall (32), vacuum cavity (33) intussuseption is filled with superconductive hot powder (331), a plurality of porous slow flow board (321) are installed to equidistant on interior pipe wall (32) of spiral heat pipe (3).
2. The steam generator with integrated two-stage temperature-raising high-efficiency energy-saving heat pipe as claimed in claim 1, wherein the installation height of the guide plate (101) decreases circularly, and a plurality of guide plates (101) and a plurality of spiral heat pipes (3) are installed in turn.
3. The steam generator of the integrated secondary heating efficient energy-saving heat pipe of claim 1, wherein the composition structure of the secondary heating heat pipe (4) is the same as that of the spiral heat pipe (3).
4. The integrated two-stage temperature-rising high-efficiency energy-saving heat pipe steam generator according to claim 1, wherein a plurality of steam tanks (2) are equidistantly installed on the outer side wall of the flue gas pipe (1), the air inlet (41) of the two-stage temperature-rising heat pipe (4) extends to the outer side of the flue gas pipe (1) and is provided with a gas collecting pipe (5), a plurality of branch pipes (51) are installed on the gas collecting pipe (5), the plurality of branch pipes (51) are respectively connected with a plurality of primary exhaust pipes (222), each branch pipe (51) is provided with an electromagnetic valve (511), and the water inlet pipe (231) on the upper layer is connected with the safety pipe (221) on the lower layer.
5. The integrated two-stage temperature-raising high-efficiency energy-saving heat pipe steam generator according to claim 1, wherein a pneumatic liquid pump (6) is installed on the inner wall of the lower end of the flue gas pipe (1), the pneumatic liquid pump (6) comprises an annular pump casing (61) installed on the inner wall of the flue gas pipe (1), an inner annular wall ring (62) is installed in the inner annular sealing rotation of the annular pump casing (61), airflow fan blades (621) are installed on the inner wall of the inner annular wall ring (62), a plurality of pump blades (622) are installed on the outer wall of the inner annular wall ring (62) in an annular equidistant mode, the lower end of the water inlet pipe (231) extends into the annular pump casing (61), a water pumping pipe (63) is installed on the annular pump casing (61), and one end, away from the annular pump casing (61), of the water pumping pipe (63) extends to the outer.
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| CN202010917450.2A CN112178605A (en) | 2020-09-03 | 2020-09-03 | Integrated two-stage temperature-rising efficient energy-saving heat pipe steam generator |
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| CN202010917450.2A CN112178605A (en) | 2020-09-03 | 2020-09-03 | Integrated two-stage temperature-rising efficient energy-saving heat pipe steam generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834048A (en) * | 2021-09-24 | 2021-12-24 | 无锡威圣泰节能环保有限公司 | Heat pipe type steam generator with high waste heat utilization rate and working method thereof |
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2020
- 2020-09-03 CN CN202010917450.2A patent/CN112178605A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834048A (en) * | 2021-09-24 | 2021-12-24 | 无锡威圣泰节能环保有限公司 | Heat pipe type steam generator with high waste heat utilization rate and working method thereof |
| CN113834048B (en) * | 2021-09-24 | 2023-09-19 | 无锡威圣泰节能环保有限公司 | Heat pipe type steam generator with high waste heat utilization rate and working method thereof |
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Application publication date: 20210105 |