CN107687775B - Hot water supply device for reutilizing residual steam of boiler - Google Patents
Hot water supply device for reutilizing residual steam of boiler Download PDFInfo
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- CN107687775B CN107687775B CN201710910314.9A CN201710910314A CN107687775B CN 107687775 B CN107687775 B CN 107687775B CN 201710910314 A CN201710910314 A CN 201710910314A CN 107687775 B CN107687775 B CN 107687775B
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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
- F28D7/10—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 arranged one within the other, e.g. concentrically
- F28D7/103—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 arranged one within the other, e.g. concentrically consisting of more than two coaxial conduits or modules of more than two coaxial conduits
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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
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
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- 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)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a boiler residual steam recycling type hot water supply device, which comprises: a residual steam discharge pipe for receiving residual steam generated from the boiler; the filter assembly comprises an outer cylinder, a filter element positioned in the outer cylinder and a driving unit for driving the filter element to rotate; the heat absorption assembly comprises a shell, a transverse air duct, a plurality of vertical air ducts, a collecting pipe and a water guide pipe, wherein one end of the transverse air duct is communicated with a residual steam discharge pipe, the other end of the transverse air duct is closed, a plurality of groups of air guide holes are formed in the transverse air duct, a plurality of inclined partition boards are arranged in the vertical air duct, the upper surface of each inclined partition board is corrugated, and each inclined partition board is provided with a fan-shaped notch; a medicine box divided into an upper cavity and a lower cavity by a screen; a water storage tank provided on the roof or the support table; the water storage tank is communicated with one end of the downstream of the water guide pipe in the water flow direction through the conveying pipe and is communicated to the water terminal through the water supply pipeline. The invention has the beneficial effects of high heat energy conversion efficiency of residual steam and high hot water supply speed.
Description
Technical Field
The invention relates to the field of thermal engineering. More particularly, the present invention relates to a boiler residual steam reuse type hot water supply apparatus.
Background
Waste heat refers to heat energy that can be utilized but not utilized. Because of the lag of industrial equipment in China, the energy utilization rate is low. Such as chemical industry, petrochemical industry, building materials, light spinning, metallurgy, power, food, paper making, electronic and electric appliances and the like, a large amount of heat energy is directly emptied in production, so that energy sources are wasted and the environment is polluted. Most of the prior waste heat recovery devices return to the original steam supply boiler to heat the boiler, and the temperature difference is small, so that the heat conversion efficiency is low, and when the device stops using, the residual steam is inevitably discharged from the boiler and is not recycled.
Disclosure of Invention
It is an object of the present invention to solve at least the above problems and to provide at least the advantages to be described later.
The invention also aims to provide a boiler residual steam recycling type hot water supply device, which has high heat energy conversion efficiency of residual steam and high speed, and can directly drink hot water.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a boiler residual steam reuse type hot water supply apparatus including:
a residual steam discharge pipe for receiving residual steam generated from the boiler;
the filter assembly comprises an outer cylinder, a filter element positioned in the outer cylinder and a driving unit for driving the filter element to rotate, wherein two ends of the outer cylinder are fixedly connected with a water inlet pipe and a water outlet pipe respectively, one end of the water inlet pipe is communicated with a tap water pipe, the filter element comprises a carbon rod, a first hollow fiber membrane, an ABS pipe and a second hollow fiber membrane which are coaxially arranged and are sequentially connected in series, the free end of the carbon rod is in sealing communication with the other end of the water inlet pipe through a first rotating member, the free end of the second hollow fiber membrane is in sealing communication with one end of the water outlet pipe through a second rotating member, the aperture of the first hollow fiber membrane is larger than that of the second hollow fiber membrane, the first rotating member and the second rotating member are cylindrical, the first rotating member and the second rotating member are coaxially arranged with the ABS pipe, gear teeth which are parallel to the radial direction of the ABS pipe are arranged on the outer wall, the driving unit is positioned inside the outer cylinder, and comprises a pair of bearings, two gears, two bearings, two forward and reverse rotation speeds of the two gears and two gears, the two gears and the two gears are coaxially arranged on the bearings are respectively meshed with the first gear and the second gear, and the two gears are respectively driven to rotate at a first speed and the second speed and the two gears are meshed with the first gear and the second gear and rotate;
the heat absorbing component comprises a shell, a transverse air duct, a plurality of vertical air ducts, a collecting pipe and an air duct, wherein the transverse air duct is horizontally arranged in the shell, one end of the transverse air duct penetrates out of the shell to be communicated with the residual air discharge pipe, the other end of the transverse air duct is closed, a plurality of groups of downward air duct is arranged on the transverse air duct at equal intervals, the number of each group of air duct is 9, 8 air ducts form a circular ring, the other air duct is positioned at the center of the circular ring formed by 8 air ducts, the vertical air duct is vertically arranged in the shell and positioned below the transverse air duct, the upper end of each vertical air duct is connected to the outer wall of the transverse air duct and communicated with one group of air ducts, the lower end of each vertical air duct is communicated with the collecting pipe, one end of the collecting pipe penetrates out of the shell, a plurality of inclined partition plates are sequentially arranged in the vertical air duct at intervals from top to bottom, the downward projection of each inclined baffle plate is fan-shaped, the projected area is equal to 3/4 of the radial cross-sectional area of the vertical air duct, the downward projections of two adjacent inclined baffle plates are centrally symmetrical, the inclined baffle plates are inclined downwards to the inner wall of the vertical air duct, the upper surface of each inclined baffle plate is corrugated, wave grooves are parallel to the connecting line of the middle point of the arc line of each inclined baffle plate and the circle center, fan-shaped notches are arranged at the circle center of each inclined baffle plate, the radius of each notch is different, the air duct is coaxially arranged in the vertical air duct in a penetrating manner, the lower part of the air duct is positioned in the collecting pipe, one end of the air duct is communicated with the water outlet pipe of the filtering assembly, the inner diameter of the part of the air duct in the vertical air duct in the water flow direction is sequentially increased, the side wall of the air duct is abutted to the arc line of the notch, the water guide pipe and the collecting pipe are respectively provided with a pump and a valve, and the transverse air guide pipe is provided with a valve;
the medicine box is divided into an upper cavity and a lower cavity through a screen, a medicine feeding port and a liquid outlet pipe are arranged on the lower cavity, a liquid inlet pipe is arranged on the upper cavity, the liquid inlet pipe is communicated with one end of the water guide pipe, which is arranged upstream, in the water flow direction, the liquid outlet pipe is communicated with one end of the water guide pipe, which is arranged downstream, in the water flow direction, a valve and a pump are arranged on the liquid outlet pipe, and the screen is detachably connected to the medicine box;
the water storage tank is arranged on a roof or a supporting table, the water storage tank is communicated with one end of the downstream of the water flow direction of the water guide pipe through a conveying pipe, the water storage tank is communicated with a water supply terminal through a water supply pipeline, the outer wall of the water storage tank, the outer wall of the conveying pipe and the outer wall of the water supply pipeline are all provided with heat preservation layers, and the conveying pipe and the water supply pipeline are all provided with valves and pumps.
Preferably, the outer wall of the ABS tube is provided with gear teeth with tooth surfaces parallel to the radial direction of the ABS tube, the inner wall of the outer tube is provided with a plurality of support frames at intervals in the circumferential direction, the end parts of the support frames are convexly provided with a pair of fixed rings, a rotating rod is arranged on the pair of fixed rings in a penetrating manner, a limit nut is arranged on the part of the rotating rod positioned outside the pair of fixed rings, a rotating gear is arranged on the part of the rotating rod positioned between the pair of fixed rings in a penetrating manner, the axis of the rotating rod is parallel to the axis of the ABS tube, and the rotating gear is meshed with the gear teeth of the ABS tube.
Preferably, the inclined baffle plate has an inclined angle of 30-60 degrees with the horizontal direction.
Preferably, the first speed and the second speed are 0.5r/min and 1r/min, respectively.
Preferably, the diameter of the air guide hole is 0.5-1.5 mm, and the diameter of the vertical air guide pipe is 20-40 mm.
Preferably, the mesh size of the screen is 0.5-1 mm.
Preferably, the heat preservation layer comprises a foam layer, a vacuum glass layer, a plastic layer and a foam layer which are sequentially laid by the outer wall of the water storage tank, the outer wall of the conveying pipe and the outer wall of the water supply pipeline along the radial outward direction.
Preferably, the pore diameters of the first hollow fiber membrane and the second hollow fiber membrane are 0.01 μm and 0.005 μm, respectively, and the number of membrane filaments of the first hollow fiber membrane and the second hollow fiber membrane is 1600 and 1200, respectively.
The invention at least comprises the following beneficial effects:
the first and the residual steam discharge pipes receive residual steam after the steam using equipment is used, the heat absorption component guides the residual steam into the heat absorption component, meanwhile, the heat absorption component guides water filtered by the filter component into the heat absorption component to perform heat exchange, so that heat energy in the residual steam is converted into heat energy in the water, the temperature of the water is raised, the heated water is conveyed into the water storage tank with a heat preservation function for storage so as to be supplied to a water using terminal, the heat energy of the residual steam can be recycled efficiently, the filter efficiency of the filter component is high, the filter quality is good, the water can be directly drunk, the heat energy conversion rate of the heat absorption component is high, the generation of scale is less, and even if the scale is generated, the scale can be removed conveniently and rapidly;
the second, carbon rod can filter residual chlorine, rust and microorganism in the tap water, the first hollow fiber membrane can filter carbon powder possibly brought in when the carbon rod filters, the second hollow fiber membrane can filter smaller particle impurities, thus reducing solid matters in the tap water, in the filtering process, because the aperture of the carbon rod, the first hollow fiber membrane and the aperture of the second hollow fiber membrane are smaller, the blocking is easy to cause, or the filtering is too slow, the relative movement direction of the tap water and the filter core is changed, and meanwhile, an ABS tube is arranged between the first hollow fiber membrane and the second hollow fiber membrane, so that the blocking condition is reduced after the first hollow fiber membrane filters, and substances with larger particle size are filtered in front, and substances with smaller particle size are filtered in back, so that the filtering speed can be increased;
third, the motor is started to drive the worm to rotate, the worm drives the two driving gears to synchronously rotate, the two driving gears respectively drive the first rotating piece and the second rotating piece to synchronously rotate, and the first rotating piece and the second rotating piece respectively drive the carbon rod and the second hollow fiber membrane to synchronously rotate, so that the whole filter element is driven to rotate, and the whole filter element is enabled not to twist and deform during rotation;
fourthly, the water in the water guide pipe is filtered by the filtering component, so that the generation of scale can be reduced due to the removal of residual chlorine, rust, microorganisms, carbon powder and other solid impurities with smaller particles, the high heat conductivity coefficient of the water guide pipe is kept, the heat conduction efficiency is improved, meanwhile, the filtered water can be directly drunk, and when the water passes through the water guide pipe, the water enters the large diameter from the small diameter, the impact force of impurities which are not filtered out on the inner wall of the water guide pipe is reduced, the residence time of the impurities and the inner wall of the water guide pipe is reduced, and the generation of scale is further reduced;
fifth, the residual steam enters from the horizontal air duct and evenly enters into the vertical air duct from each group of air ducts, so that the temperature of the residual steam entering into each vertical air duct is more consistent, then the residual steam in the vertical air duct is divided into small spaces which are mutually communicated through each inclined partition plate in sequence, the outer wall of the air duct in each small space is surrounded, only the small channel formed by each inclined partition plate and the vertical air duct can enter into the next small space, the small channel of the next small space is arranged on the other side, the residual steam has enough time to contact with the air duct, heat is transferred into water in the air duct, after the residual steam reaches the lower end of the vertical air duct, the residual steam directly enters into the collecting pipe, part of the residual steam in the collecting pipe is changed into condensed water, and the residual steam entering from the horizontal air duct from top to bottom in the adjacent vertical air duct is new, so that the temperature is above 150 ℃, the heat can be efficiently transferred to the water in the air duct, finally the residual steam enters into the collecting pipe, and is uniformly discharged from the collecting pipe.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a detail view of an axial section through a first direction of a filter assembly according to the present invention;
FIG. 3 is a detail view of an axial section through a second direction of the filter assembly of the present invention;
FIG. 4 is a detail view of a three-directional axial cross-section of a filter assembly according to the present invention;
FIG. 5 is a schematic view of a heat sink assembly according to the present invention;
FIG. 6 is a partial schematic view of a lateral airway according to the present invention;
FIG. 7 is a partial schematic view of a vertical airway according to the present invention;
fig. 8 is a detailed view of the inclined partition plate according to the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
It should be noted that, in the description of the present invention, the terms "transverse," "longitudinal," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1 to 8, the present invention provides a boiler residual steam reuse type hot water supply apparatus, comprising:
a residual steam discharge pipe for receiving residual steam generated from the boiler; in factories, power plants and other places adopting boilers for supplying steam, the temperature of the residual steam discharged by the residual steam discharge pipe after the steam using equipment is used up is up to more than 150 ℃;
the filter component 1 comprises an outer cylinder 11, a filter element positioned in the outer cylinder 11 and a driving unit for driving the filter element to rotate, wherein two ends of the outer cylinder 11 are fixedly connected with a water inlet pipe 111 and a water outlet pipe 112 respectively, one end of the water inlet pipe 111 is communicated with a tap water pipe, the filter element comprises a carbon rod 121, a first hollow fiber membrane 122, an ABS pipe 123 and a second hollow fiber membrane 124 which are coaxially arranged and sequentially communicated in series, the free end of the carbon rod 121 is in sealing communication with the other end of the water inlet pipe 111 through a first rotating member 125, the free end of the second hollow fiber membrane 124 is in sealing communication with one end of the water outlet pipe 112 through a second rotating member 126, the aperture of the first hollow fiber membrane 122 is larger than that of the second hollow fiber membrane 124, the first rotating member 125 and the second rotating member 126 are cylindrical, are coaxially arranged with the ABS pipe 123, tooth surfaces parallel to the radial gear teeth of the ABS pipe 123 are arranged on the outer wall, the driving unit is positioned in the outer cylinder 11, and comprises a pair of bearing frames 127, bearings arranged on the bearing frames 127, a worm 131 with an axis parallel to the axis of the ABS tube 123, two driving gears 133 coaxially arranged, and a motor 132 for driving the worm 131 to rotate, wherein the first rotating member 125 is coaxially arranged on one of the bearings, the second rotating member 126 is coaxially arranged on the other bearing in a penetrating way, the worm 131 is meshed with the two driving gears 133, the two driving gears 133 are respectively meshed with the gear teeth of the first rotating member 125 and the second rotating member 126, the motor 132 drives the worm 131 to rotate in a forward direction for two circles at a first speed and then rotate in a reverse direction for two circles at a second speed, and the first speed is smaller than the second speed; tap water enters a filter element from a water inlet pipe 111 to be filtered, firstly enters a carbon rod 121 to remove residual chlorine, rust and microorganisms in the tap water, then passes through a first hollow fiber membrane 122 to remove carbon powder possibly brought in during the filtration of the carbon rod 121, passes through a second hollow fiber membrane 124 to remove impurities with smaller particles, so that solid matters in the tap water are reduced.
The motor 132 is started to drive the worm 131 to rotate, the worm 131 drives the two driving gears 133 to synchronously rotate, the two driving gears 133 respectively drive the first rotating member 125 and the second rotating member 126 to synchronously rotate, and the first rotating member 125 and the second rotating member 126 respectively drive the carbon rod 121 and the second hollow fiber membrane 124 to synchronously rotate, so that the whole filter element is driven to rotate; the heat absorbing component 2 comprises a shell 21, a transverse air duct 22, a plurality of vertical air ducts 23, a collecting pipe 24 and a water guide pipe 25, wherein the transverse air duct 22 is horizontally arranged in the shell 21, one end of the transverse air duct 22 penetrates out of the shell 21 to be communicated with the residual air discharge pipe, the other end of the transverse air duct 22 is closed, a plurality of groups of downward air outlet air ducts 221 are arranged on the transverse air duct 22 at equal intervals, the number of each group of air ducts 221 is 9, 8 air ducts 221 form a circular ring, the other air duct 221 is positioned at the center of the circular ring formed by 8 air ducts 221, the vertical air duct 23 is vertically arranged in the shell 21 and positioned below the transverse air duct 22, the upper end of each vertical air duct 23 is connected to the outer wall of the transverse air duct 22, is communicated with one group of air ducts 221, and the lower end of each vertical air duct 23 is communicated with the collecting pipe 24, one end of the collecting pipe 24 penetrates out of the shell 21, a plurality of inclined partition boards 222 are sequentially arranged in the vertical air duct 23 at intervals from top to bottom, the downward projection of each inclined partition board 222 is fan-shaped, the projected area is equal to 3/4 of the radial cross-sectional area of the vertical air duct 23, the downward projections of two adjacent inclined partition boards 222 are centrally symmetrical, the inclined partition boards 222 are inclined downwards to the inner wall of the vertical air duct 23, the upper surface of each inclined partition board 222 is corrugated, the wave grooves are parallel to the connecting line of the middle point of the arc line of each inclined partition board 222 and the center of the circle, the center of each inclined partition board 222 is provided with a fan-shaped notch 223, the radius of each notch 223 is different, the water guide pipes 25 are coaxially arranged in the vertical air duct 23, the lower part of the water guide pipes 25 are positioned in the collecting pipe 24, one end of each water guide pipe 25 is communicated with the water outlet pipe 112 of the filter assembly 1, the inner diameter of the part of the water conduit 25 located in the vertical air conduit 23 along the water flow direction is sequentially increased, and the side wall of the water conduit 25 is abutted against the arc line of the notch 223, wherein pumps and valves are arranged on the water conduit 25 and the collecting pipe 24, and the valve is arranged on the transverse air conduit 22;
the residual steam enters from the transverse air guide pipes 22 and uniformly enters into the vertical air guide pipes 23 from each group of air guide holes 221, so that the temperature of the residual steam entering into each vertical air guide pipe 23 is more uniform, then the residual steam sequentially passes through the mutually communicated small spaces divided by each inclined partition plate 222 in the vertical air guide pipes 23, the outer wall of the air guide pipe 25 in each small space is surrounded, only the small channel formed by each inclined partition plate 222 and the vertical air guide pipe 23 can enter into the next small space, the small channel of the next small space is arranged on the other side, the residual steam has enough time to contact with the air guide pipes 25, heat is transferred into water in the air guide pipes 25, after the residual steam reaches the lower end of the vertical air guide pipes 23, the residual steam directly enters into the collecting pipe 24, part of the adjacent vertical air guide pipes 23 is changed into condensed water, and the residual steam entering from the transverse air guide pipes 22 from top to bottom is new, so that the temperature is more than 150 ℃, the residual steam can be efficiently transferred into the water in the air guide pipes 25, and finally enters into the collecting pipe 24 and is discharged from the collecting pipe 24;
the water in the water guide pipe 25 is filtered by the filtering component 1, so that the generation of scale can be reduced due to the removal of residual chlorine, rust, microorganisms, carbon powder and other solid impurities with smaller particles, the high heat conductivity coefficient of the water guide pipe 25 is maintained, the heat conductivity is improved, and meanwhile, the filtered water can be directly drunk;
when water passes through the water guide pipe 25, the water enters the large diameter from the small diameter, so that the impact force of impurities which are not filtered out on the inner wall of the water guide pipe 25 is reduced, the residence time of the impurities and the inner wall of the water guide pipe 25 is shortened, and the generation of scale is further reduced;
a medicine box 3, which is divided into an upper cavity and a lower cavity by a screen 31, wherein the lower cavity is provided with a medicine feeding port and a liquid outlet pipe 32, the upper cavity is provided with a liquid inlet pipe 33, the liquid inlet pipe 33 is communicated with one end of the water guide pipe 25, which is upstream in the water flow direction, the liquid outlet pipe 32 is communicated with one end of the water guide pipe 25, which is downstream in the water flow direction, the liquid outlet pipe 32 is provided with a valve and a pump, and the screen 31 is detachably connected to the medicine box 3; when the heat absorbing component 2 runs for a long time, micro scale can be formed in the water guide pipe 25, at the moment, the heat absorbing component 2 can be suspended, valves and pumps on the water guide pipe 25 and the transverse air guide pipe 22 are closed, a liquid outlet pipe 32 is opened, the valves and pumps are arranged on the liquid outlet pipe 32, liquid medicine in the medicine box 3 enters from a large-diameter place of the water guide pipe 25 and comes out from a small-diameter place, the liquid medicine is easy to strike the inner wall of the water guide pipe 25 and acts on the inner wall of the water guide pipe 25, so that the scale is beneficial to removing the scale, the scale flows into an upper cavity along with the liquid medicine through a liquid inlet pipe 33, and the large-particle scale is filtered out by a screen 31 and enters into a lower cavity, so that the inner wall of the water guide pipe 25 can be repeatedly cleaned, the scale can be effectively removed, and after the cleaning is finished, the screen 31 can be taken out for the next use;
the water storage tank 4, it sets up on the roof, or brace table, water storage tank 4 pass through the conveyer pipe with the one end intercommunication of the rivers direction low reaches of aqueduct 25, water storage tank 4 passes through the supply line intercommunication to the water terminal, water storage tank 4 outer wall conveyer pipe outer wall and all be equipped with the heat preservation on the supply line outer wall, conveyer pipe with all be equipped with valve and pump on the supply line. After the heat energy is absorbed by the heat absorbing component 2, the water reaches the water storage tank 4 through the conveying pipe and can be communicated to the water using terminal through the water supply pipeline, the water storage tank is arranged on the roof or is placed at a high position by adopting the supporting table, water taking of the user terminal is facilitated, and the heat insulating layer can better keep the temperature of the water which has absorbed the heat energy.
In the above technical scheme, the residual steam discharge pipe receives the residual steam after the steam using equipment is used, the heat absorption component 2 guides the residual steam into the heat absorption component 2, meanwhile, the heat absorption component 2 guides the water filtered by the filter component 1 into the heat absorption component 2, heat exchange is carried out inside the heat absorption component 2, heat energy in the residual steam is converted into heat energy in the water, the temperature of the water is raised, the heated water is conveyed into the water storage tank 4 with a heat preservation function for storage so as to be supplied to a water using terminal, the heat energy of the residual steam can be recycled effectively, the filter component 1 has high filtering efficiency and good filtering quality, the water can be directly drunk, the heat energy conversion rate of the heat absorption component 2 is high, scale generation is small, and even if scale is generated, the water can be removed conveniently and rapidly.
In another technical scheme, the outer wall of the ABS tube 123 is provided with gear teeth with tooth surfaces parallel to the radial direction of the ABS tube 123, the inner wall of the outer tube 11 is circumferentially provided with a plurality of supporting frames 51 at intervals, the end parts of the supporting frames 51 are convexly provided with a pair of fixing rings, a rotating rod 52 is arranged on the pair of fixing rings in a penetrating manner, a limiting nut is arranged on the part of the rotating rod 52 located outside the pair of fixing rings, a rotating gear 53 is arranged on the part of the rotating rod 52 located between the pair of fixing rings in a penetrating manner, the axis of the rotating rod 52 is parallel to the axis of the ABS tube 123, and the rotating gear 53 is meshed with the gear teeth of the ABS tube 123. The support frame 51 can enable the ABS pipe 123 to be stably fixed in the outer cylinder 11, and meanwhile, the rotating gear 53 is meshed with gear teeth of the ABS pipe 123, and rotation of the ABS pipe 123 is not affected.
In another embodiment, the inclined partition 222 has an inclined angle of 30 ° to 60 ° with respect to the horizontal direction. The preferred angle of inclination ensures the contact time of the residual steam with the water guide pipe 25, and obtains optimal heat conversion efficiency, and is also beneficial to the formation of condensed water places and the outflow of the condensed water.
In another aspect, the first speed and the second speed are 0.5r/min and 1r/min, respectively. The filter element can be rotated forward or reversely uniformly, the filter element rotates too fast to consume more electric energy, the filtering speed can be influenced, the filter element rotates too slowly, and the effect of accelerating the filtering speed can not be obtained.
In another technical scheme, the diameter of the air guide hole 221 is 0.5-1.5 mm, and the diameter of the vertical air guide pipe 23 is 20-40 mm. The speed of entering residual steam is matched with the speed of entering water of the water guide pipe 25, so that the temperature of condensed water or steam discharged from the final water collection pipe is low, the temperature of water in the water guide pipe 25 rises faster, the flowing speed of water in the water guide pipe 25 is also faster, and three parameters can be balanced better.
In another embodiment, the mesh size of the screen 31 is 0.5-1 mm. The screen 31 has better filtering speed and is not easy to be blocked, and simultaneously, the large-particle scale is ensured not to repeatedly enter the water guide pipe 25.
In another technical scheme, the heat preservation layer comprises a foam layer, a vacuum glass layer, a plastic layer and a foam layer which are sequentially laid by the outer wall of the water storage tank 4, the outer wall of the conveying pipe and the outer wall of the water supply pipeline along the radial direction outwards. Firstly, a foam layer is adopted to wholly absorb heat, but a material with slow heat conduction is in contact with the outer wall of the water storage tank 4, the outer wall of the conveying pipe and the water supply pipeline, a semi-heat-insulation state is obtained, then, a vacuum glass layer is adopted, a structure with good heat insulation performance is adopted, personnel are prevented from being scalded when touching the outer wall of the water storage tank 4, the outer wall of the conveying pipe and the water supply pipeline, a plastic layer and a foam layer are recycled to protect the vacuum glass layer, and meanwhile, the foam layer also has a heat insulation effect, the heat transfer efficiency is low, and heat can be further prevented from being transferred outwards.
In another embodiment, the pore diameters of the first hollow fiber membrane 122 and the second hollow fiber membrane 124 are 0.01 μm and 0.005 μm, respectively, and the number of membrane filaments of the first hollow fiber membrane 122 and the second hollow fiber membrane 124 is 1600 and 1200, respectively. The pore size of 0.01 μm can filter most of carbon powder, and can filter finer microorganisms, while 0.005 μm can filter more fine solid substances, and the filtering speed is slow because more substances are filtered out, 1600 pores are adopted in the front, so that the filtering area is increased to improve the filtering speed to match the filtering speed at the rear.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (8)
1. A boiler residual steam recycling type hot water supply device, comprising:
a residual steam discharge pipe for receiving residual steam generated from the boiler;
the filter component comprises an outer cylinder, a filter element positioned in the outer cylinder, and a driving unit for driving the filter element to rotate, wherein the two ends of the outer cylinder are fixedly connected with a water inlet pipe and a water outlet pipe respectively, one end of the water inlet pipe is communicated with a tap water pipe, the filter element comprises a carbon rod, a first hollow fiber membrane, an ABS pipe and a second hollow fiber membrane which are coaxially arranged and are sequentially communicated in series, the free end of the carbon rod is communicated with the other end of the water inlet pipe in a sealing way through a first rotating member, the free end of the second hollow fiber membrane is communicated with one end of the water outlet pipe in a sealing way through a second rotating member, the aperture of the first hollow fiber membrane is larger than that of the second hollow fiber membrane, the first rotating member and the second rotating member are cylindrical, are coaxially arranged with the ABS pipe, and gear teeth parallel to the radial direction of the ABS pipe are arranged on the outer wall, the driving unit is positioned in the outer cylinder and comprises a pair of bearing frames, bearings arranged on the bearing frames, a worm with the axis parallel to the axis of the ABS tube, two driving gears coaxially arranged and a motor for driving the worm to rotate, wherein a first rotating member is coaxially arranged on one bearing in a penetrating manner, a second rotating member is coaxially arranged on the other bearing in a penetrating manner, the worm is meshed with the two driving gears, the two driving gears are respectively meshed with gear teeth of the first rotating member and the second rotating member, the motor drives the worm to rotate forwards for two circles at a first speed, then rotate reversely for two circles at a second speed, and the first speed is smaller than the second speed;
the heat absorbing component comprises a shell, a transverse air duct, a plurality of vertical air ducts, a collecting pipe and an air duct, wherein the transverse air duct is horizontally arranged in the shell, one end of the transverse air duct penetrates out of the shell to be communicated with the residual air discharge pipe, the other end of the transverse air duct is closed, a plurality of groups of downward air duct is arranged on the transverse air duct at equal intervals, the number of each group of air duct is 9, 8 air ducts form a circular ring, the other air duct is positioned at the center of the circular ring formed by 8 air ducts, the vertical air duct is vertically arranged in the shell and positioned below the transverse air duct, the upper end of each vertical air duct is connected to the outer wall of the transverse air duct and communicated with one group of air ducts, the lower end of each vertical air duct is communicated with the collecting pipe, one end of the collecting pipe penetrates out of the shell, a plurality of inclined partition plates are sequentially arranged in the vertical air duct at intervals from top to bottom, the downward projection of each inclined baffle plate is fan-shaped, the projected area is equal to 3/4 of the radial cross-sectional area of the vertical air duct, the downward projections of two adjacent inclined baffle plates are centrally symmetrical, the inclined baffle plates are inclined downwards to the inner wall of the vertical air duct, the upper surface of each inclined baffle plate is corrugated, wave grooves are parallel to the connecting line of the middle point of the arc line of each inclined baffle plate and the circle center, fan-shaped notches are arranged at the circle center of each inclined baffle plate, the radius of each notch is different, the air duct is coaxially arranged in the vertical air duct in a penetrating manner, the lower part of the air duct is positioned in the collecting pipe, one end of the air duct is communicated with the water outlet pipe of the filtering assembly, the inner diameter of the part of the air duct in the vertical air duct in the water flow direction is sequentially increased, the side wall of the air duct is abutted to the arc line of the notch, the water guide pipe and the collecting pipe are respectively provided with a pump and a valve, and the transverse air guide pipe is provided with a valve;
the medicine box is divided into an upper cavity and a lower cavity through a screen, a medicine feeding port and a liquid outlet pipe are arranged on the lower cavity, a liquid inlet pipe is arranged on the upper cavity, the liquid inlet pipe is communicated with one end of the water guide pipe, which is arranged upstream, in the water flow direction, the liquid outlet pipe is communicated with one end of the water guide pipe, which is arranged downstream, in the water flow direction, a valve and a pump are arranged on the liquid outlet pipe, and the screen is detachably connected to the medicine box;
the water storage tank is arranged on a roof or a supporting table, the water storage tank is communicated with one end of the downstream of the water flow direction of the water guide pipe through a conveying pipe, the water storage tank is communicated to a water terminal through a water supply pipeline, an insulating layer is arranged on the outer wall of the water storage tank, the outer wall of the conveying pipe and the outer wall of the water supply pipeline, and a valve and a pump are arranged on the conveying pipe and the water supply pipeline.
2. The boiler residual steam recycling type hot water supply device according to claim 1, wherein gear teeth with tooth surfaces parallel to the radial direction of the ABS tube are arranged on the outer wall of the ABS tube, a plurality of supporting frames are arranged on the inner wall of the outer tube at intervals in the circumferential direction, a pair of fixing rings are convexly arranged at the end parts of the supporting frames, a rotating rod penetrates through the pair of fixing rings, a limit nut is arranged on the part, located outside the pair of fixing rings, of the rotating rod, a rotating gear penetrates through the part, located between the pair of fixing rings, of the rotating rod, the axis of the rotating rod is parallel to the axis of the ABS tube, and the rotating gear is meshed with the gear teeth of the ABS tube.
3. The boiler residual steam recycling type hot water supply device according to claim 1, wherein the inclined partition plate has an inclined angle of 30-60 degrees with respect to the horizontal direction.
4. The boiler residual steam re-use type hot water supply apparatus according to claim 1, wherein the first speed and the second speed are 0.5r/min and 1r/min, respectively.
5. The boiler residual steam recycling type hot water supply apparatus according to claim 1, wherein the diameter of the air guide hole is 0.5-1.5 mm, and the diameter of the vertical air guide pipe is 20-40 mm.
6. The boiler residual steam recycling type hot water supply apparatus according to claim 1, wherein the aperture of the screen is 0.5-1 mm.
7. The boiler residual steam recycling type hot water supply device according to claim 1, wherein the heat preservation layer comprises a foam layer, a vacuum glass layer, a plastic layer and a foam layer which are sequentially laid out from the outer wall of the water storage tank, the outer wall of the conveying pipe and the outer wall of the water supply pipeline along the radial direction.
8. The boiler residual steam recycling type hot water supply apparatus according to claim 1, wherein the pore diameters of the first hollow fiber membrane and the second hollow fiber membrane are 0.01 μm and 0.005 μm, respectively, and the number of membrane filaments of the first hollow fiber membrane and the second hollow fiber membrane is 1600 and 1200, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710910314.9A CN107687775B (en) | 2017-09-29 | 2017-09-29 | Hot water supply device for reutilizing residual steam of boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710910314.9A CN107687775B (en) | 2017-09-29 | 2017-09-29 | Hot water supply device for reutilizing residual steam of boiler |
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| Publication Number | Publication Date |
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| CN107687775A CN107687775A (en) | 2018-02-13 |
| CN107687775B true CN107687775B (en) | 2023-08-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673732A (en) * | 2013-12-27 | 2014-03-26 | 无锡佳龙换热器制造有限公司 | Heat exchanger |
| CN203880924U (en) * | 2014-03-22 | 2014-10-15 | 张子春 | Multifunctional efficient energy-saving and environment-friendly heating and steaming dual-purpose boiler |
| CN106813290A (en) * | 2016-12-30 | 2017-06-09 | 广西芮芽科技有限公司 | Household heating device |
| CN106813411A (en) * | 2017-03-24 | 2017-06-09 | 东晨干热岩热力有限公司 | Useless geothermal well reutilization system and its construction method |
| CN207439213U (en) * | 2017-09-29 | 2018-06-01 | 广西昊薪来新能源有限公司 | Boiler residual steam recycles formula hot-water supply device |
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2017
- 2017-09-29 CN CN201710910314.9A patent/CN107687775B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673732A (en) * | 2013-12-27 | 2014-03-26 | 无锡佳龙换热器制造有限公司 | Heat exchanger |
| CN203880924U (en) * | 2014-03-22 | 2014-10-15 | 张子春 | Multifunctional efficient energy-saving and environment-friendly heating and steaming dual-purpose boiler |
| CN106813290A (en) * | 2016-12-30 | 2017-06-09 | 广西芮芽科技有限公司 | Household heating device |
| CN106813411A (en) * | 2017-03-24 | 2017-06-09 | 东晨干热岩热力有限公司 | Useless geothermal well reutilization system and its construction method |
| CN207439213U (en) * | 2017-09-29 | 2018-06-01 | 广西昊薪来新能源有限公司 | Boiler residual steam recycles formula hot-water supply device |
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| CN107687775A (en) | 2018-02-13 |
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