CN113237077B - Condensation heat exchanger structure - Google Patents
Condensation heat exchanger structure Download PDFInfo
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- CN113237077B CN113237077B CN202110382307.2A CN202110382307A CN113237077B CN 113237077 B CN113237077 B CN 113237077B CN 202110382307 A CN202110382307 A CN 202110382307A CN 113237077 B CN113237077 B CN 113237077B
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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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
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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
Abstract
The invention relates to the field of condensers and discloses a condensing heat exchanger structure which is characterized by comprising a box body, wherein an air inlet pump is arranged on the outer side of the box body, an air outlet pipe is fixedly connected to the air outlet end of the air inlet pump, the air outlet pipe extends into the box body, an exhaust pipe is fixedly connected to the side surface of the box body, the exhaust pipe is communicated with the box body, the heat exchange boxes arranged at intervals can ensure that the flue gas flows from top to bottom between two adjacent heat exchange boxes, the water inlet pipe and the water outlet pipe are communicated with the heat exchange cavity, and the heat in the flue gas is taken away by ensuring that the water flows in the heat exchange cavity, the first heat exchange assembly is arranged to transfer heat in the flue gas close to the first connection surface to water in the heat exchange tank, thereby can be close to the second and connect the aquatic of heat conduction in the face flue gas to the heat transfer case so that carry out the heat transfer make full use of the heat that the burning produced the flue gas and burn the heat that produces through the second heat exchange assembly who sets up.
Description
Technical Field
The invention relates to the field of condensers, in particular to a condensing heat exchanger structure.
Background
The combustor is a device for converting substances into heat energy through a chemical reaction mode of combustion, namely, air and fuel are mixed by a premixing device according to a proper proportion so as to be fully combusted;
the fuel gas is generally input into the box body through the air inlet, after the fuel gas is ignited, the fuel gas is combusted in the box body to generate heat, the fuel gas can generate smoke in the combustion overcharge, the smoke is generally discharged through the pipeline, but the heat contained in the smoke can also be discharged along with the discharge of the smoke, and therefore the heat generated by combustion is wasted.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a condensation heat exchanger structure which is used for exchanging heat of flue gas generated by combustion and fully utilizing the heat generated by combustion.
In order to achieve the purpose, the invention provides the following technical scheme:
a condensation heat exchanger structure comprises a box body, wherein an air inlet pump is arranged on the outer side of the box body, an air outlet pipe is fixedly connected to the air outlet end of the air inlet pump, the air outlet pipe extends into the box body, an exhaust pipe is fixedly connected to the side face of the box body, the exhaust pipe is communicated with the box body, the exhaust pipe is positioned below the air outlet pipe, a plurality of heat exchange boxes are arranged in the box body and are arranged at intervals along the horizontal direction, the heat exchange boxes are positioned between the air outlet pipe and the exhaust pipe, a heat exchange cavity is arranged in each heat exchange box, a water pipe assembly is arranged in the box body and comprises a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are fixedly connected to the box body, the water inlet pipe is positioned above the water outlet pipe, and the water inlet pipe and the water outlet pipe are communicated with the heat exchange cavity, the heat exchange box comprises a first connecting surface and a second connecting surface, the first connecting surface on one of every two adjacent heat exchange boxes is arranged opposite to the second connecting surface on the other heat exchange box, a first heat exchange assembly is arranged on the first connecting surface and used for exchanging heat with the first connecting surface, a second heat exchange assembly is arranged on the second connecting surface and used for exchanging heat with the second connecting surface.
In the invention, preferably, two first clamping plates are fixedly connected to the first connecting surface, the first clamping plates are vertically arranged, two second clamping plates are fixedly connected to the second connecting surface, the second clamping plates are vertically arranged, the first clamping plates correspond to the second clamping plates one by one, the first clamping plates and the second clamping plates are arranged at intervals, the first heat exchange assembly comprises a plurality of first fins arranged in parallel, the first fins are arranged at intervals, the plurality of first fins are arranged between the two first clamping plates, the second heat exchange assembly comprises a plurality of second fins arranged in parallel, the second fins are arranged at intervals, the plurality of second fins are arranged between the two second clamping plates, and the first fins and the second fins are arranged at intervals.
In the present invention, preferably, the first fin includes a first parallel surface and a first inclined surface, the first parallel surface and the first inclined surface are integrally formed, the first parallel surface and the first inclined surface are both located on a side surface of the first fin away from the heat exchange box, the first parallel surface and the first connection surface are parallel to each other, the first parallel surface is located below the first inclined surface, a distance between the first inclined surface and the first connection surface gradually increases from one end away from the first parallel surface to the other end, the second fin includes a second parallel surface and a second inclined surface, the second parallel surface and the second inclined surface are integrally formed, the second parallel surface and the second inclined surface are both located on a side surface of the second fin away from the heat exchange box, and the second parallel surface and the second connection surface are parallel to each other, the second parallel surface is located below the second inclined surface, and the distance between the second inclined surface and the second connection surface gradually increases from one end far away from the second parallel surface to the other end.
In the present invention, preferably, an inclination angle between the first parallel surface and the first connecting surface is the same as an inclination angle between the second parallel surface and the second connecting surface, a distance from the first card board to the first connecting surface is the same as a distance from the first parallel surface to the first connecting surface, and a distance from the second card board to the second connecting surface is the same as a distance from the second parallel surface to the second connecting surface.
In the invention, preferably, a water inlet and a water outlet are formed in the outer side of the heat exchange box, the water inlet is located above the water outlet, the water inlet and the water outlet are communicated with the heat exchange cavity, a baffle assembly is arranged in the heat exchange cavity, the baffle assembly comprises eight baffles which are parallel to each other, the baffles separate the heat exchange cavity to form an S-shaped channel, the baffles are horizontally arranged, and the height of each baffle is one fourth of the distance between every two adjacent baffles.
In the present invention, preferably, a water inlet tank and a water outlet tank are respectively and fixedly connected to two opposite side surfaces of the tank body, a plurality of heat absorbing pipes are fixedly connected to the tank body, the plurality of heat absorbing pipes are arranged in an array along a circumferential direction of the air outlet pipe, the heat absorbing pipes are mutually communicated with the water inlet tank and the water outlet tank, the water inlet tank is mutually communicated with the water inlet pipe, the water pipe assembly further includes a connecting pipe, the connecting pipe is fixedly connected to the water outlet tank, the water outlet tank is mutually communicated with the connecting pipe, the connecting pipe is mutually communicated with each water inlet, and the water outlet pipe is mutually communicated with each water outlet.
In the invention, preferably, the outlet pipe is provided with a plurality of outlet holes, the outlet holes are arranged in an array along the circumferential direction of the outlet pipe, and the outlet holes are kidney-shaped holes.
In the invention, preferably, a first flange is fixedly connected to one end of the water inlet pipe, which is far away from the box body, and a second flange is fixedly connected to one end of the water outlet pipe, which is far away from the box body.
The invention has the beneficial effects that: the invention can ensure that the fuel gas is conveyed into the air outlet pipe by the air inlet pump and enters the box body through the arranged air inlet pipe, the operator can utilize the ignition device in the box body to burn the fuel gas flowing out of the air outlet pipe in the box body to generate heat, the exhaust pipe can ensure that gas generated by combustion is exhausted from the box body, the heat exchange boxes arranged at intervals can ensure that smoke gas flows from top to bottom between the two adjacent heat exchange boxes, the water inlet pipe and the water outlet pipe are communicated with the heat exchange cavity, and the heat in the flue gas is taken away by ensuring that the water flows in the heat exchange cavity, the first heat exchange assembly is arranged to transfer heat in the flue gas close to the first connection surface to water in the heat exchange tank, thereby can be close to the second and connect the aquatic of heat conduction in the face flue gas to the heat transfer case so that carry out the heat transfer make full use of the heat that the burning produced the flue gas and burn the heat that produces through the second heat exchange assembly who sets up.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of another aspect of the present invention;
FIG. 3 is a schematic perspective view of the present invention with a portion of the housing removed;
FIG. 4 is an enlarged schematic view of the invention at A in FIG. 3;
FIG. 5 is a schematic perspective view of a heat exchange box of the present invention;
FIG. 6 is a perspective view of another aspect of the heat exchange box of the present invention;
FIG. 7 is a perspective view of the outlet duct of the present invention;
FIG. 8 is a side view of the heat exchange box of the present invention;
fig. 9 is a schematic cross-sectional view taken at a-a of fig. 8 in accordance with the present invention.
Reference numerals: 1. a box body; 2. an intake pump; 3. an air outlet pipe; 4. an exhaust pipe; 5. a heat exchange box; 6. a heat exchange cavity; 7. a water inlet pipe; 8. a water outlet pipe; 9. a first connection face; 10. a second connection face; 11. a first clamping plate; 12. a second clamping plate; 13. a first fin; 14. a second fin; 15. a first parallel plane; 16. a first inclined surface; 17. a second parallel surface; 18. a second inclined surface; 19. a water inlet; 20. a water outlet; 21. a baffle plate; 22. a water inlet tank; 23. a water outlet tank; 24. a heat absorbing tube; 25. a connecting pipe; 26. an air outlet; 27. a first flange plate; 28. a second flange.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 9, the condensing heat exchanger structure of this embodiment includes a box 1, an air inlet pump 2 is disposed outside the box 1, the air inlet pump 2 includes an air outlet pipe 3, the air outlet pipe 3 extends into the box 1, and the air inlet pipe is disposed to ensure that fuel gas is conveyed into the air outlet pipe 3 by the air inlet pump 2 and enters the box 1, an operator can burn the fuel gas flowing out of the air outlet pipe 3 in the box 1 by using an ignition device in the box 1 to generate heat, the air outlet pipe 3 is disposed with a plurality of air outlet holes 26, the plurality of air outlet holes 26 are arranged in an array along a circumferential direction of the air outlet pipe 3, and the air outlet holes 26 are kidney-shaped holes, and the fuel gas can be ignited from the circumferential direction of the air outlet pipe 3 by the air outlet holes 26 arranged in an array, thereby ensuring that the heat absorbing pipe 24 can be uniformly heated after the gas is ignited in the box 1, the gas outlet 26 is a waist-shaped hole, the opening area of the common waist-shaped hole is the same as that of the circular through hole, the width of the waist-shaped hole is smaller than the diameter of the circular through hole, and after the width of the waist-shaped hole is narrowed, the gas spraying speed is increased, so that the combustion effect of the gas sprayed in the waist-shaped hole is better than that of the gas sprayed in the circular through hole;
the exhaust pipe 4 is fixedly connected on the side surface of the box body 1, the exhaust pipe 4 is communicated with the box body 1, the exhaust pipe 4 is positioned below the exhaust pipe 3, the exhaust pipe 4 can ensure that gas generated by combustion can be exhausted from the box body 1, the exhaust pipe 4 is positioned below the exhaust pipe 3, the water inlet pipe 7 is arranged above the water outlet pipe 8, so that the flow direction of water flow is from top to bottom, the smoke is absorbed by water through the first fins 13 and the second fins 14, the heat of the smoke is gradually reduced from top to bottom, the smoke flows downwards under the driving of the air inlet pump and is exhausted through the exhaust pipe 4 arranged below the exhaust pipe 3, the box body 1 is internally provided with a plurality of heat exchange boxes 5, the heat exchange boxes 5 are made of aluminum alloy, the aluminum alloy has better heat conductivity, the plurality of heat exchange boxes 5 are arranged at intervals along the horizontal direction, and the heat exchange boxes 5 are positioned between the exhaust pipe 3 and the exhaust pipe 4, a heat exchange cavity 6 is arranged in the heat exchange box 5, a water pipe assembly is arranged in the box body 1, the water pipe assembly comprises a water inlet pipe 7 and a water outlet pipe 8, the water inlet pipe 7 and the water outlet pipe 8 are fixedly connected to the box body 1, the water inlet pipe 7 is positioned above the water outlet pipe 8, the water inlet pipe 7 and the water outlet pipe 8 are communicated with the heat exchange cavity 6, the heat in the flue gas is absorbed and utilized by the heat exchange cavity 6 arranged at intervals after the flue gas passes through the space between two adjacent heat exchange boxes 5 through the water inlet pipe 7 entering the heat exchange cavity 6 and then absorbing the heat on the first connecting surface 9 and the second connecting surface 10 of the heat exchange boxes 5, and then the flue gas is discharged out of the box body 1 through the water outlet pipe 8, the end of the water inlet pipe 7 far away from the box body 1 is fixedly connected with a first flange 27, the end of the water outlet pipe 8 far away from the box body 1 is fixedly connected with a second flange 28, and the water outlet end of an operator on the water pump at the first flange 27 is convenient to connect through the first flange, the second flange 28 is convenient for an operator to externally connect a water pipe at the second flange 28 to convey the water absorbing the heat of the flue gas to a place appointed by the operator; the heat exchange boxes 5 comprise first connecting faces 9 and second connecting faces 10, the first connecting face 9 on one heat exchange box 5 in every two adjacent heat exchange boxes 5 is arranged opposite to the second connecting face 10 on the other heat exchange box 5, a first heat exchange assembly is arranged on the first connecting face 9 and used for exchanging heat with the first connecting face 9, heat in smoke close to the first connecting face 9 can be transmitted into water in the heat exchange boxes 5 through the arranged first heat exchange assembly, a second heat exchange assembly is arranged on the second connecting face 10 and used for exchanging heat with the second connecting face 10, and heat in the smoke close to the second connecting face 10 can be transmitted into the water in the heat exchange boxes 5 through the arranged second heat exchange assembly;
the two first clamping plates 11 are fixedly connected to the first connecting surface 9, the first clamping plates 11 are vertically arranged, the two second clamping plates 12 are fixedly connected to the second connecting surface 10, the second clamping plates 12 are vertically arranged, the first clamping plates 11 correspond to the second clamping plates 12 one by one, the first clamping plates 11 and the second clamping plates 12 are arranged at intervals, the first heat exchange assembly comprises a plurality of first fins 13 which are arranged in parallel, the first fins 13 are arranged at intervals, the first fins 13 are all positioned between the two first clamping plates 11, the first fins 13 and the second fins 14 are arranged at intervals, the second heat exchange assembly comprises a plurality of second fins 14 which are arranged in parallel, the second fins 14 are arranged at intervals, the first fins 13 and the second fins 14 are made of aluminum alloy materials, the first fins 13 and the second fins 14 made of the aluminum alloy materials have good heat conductivity, the first fins 13 and the second fins 14 are arranged at intervals, the heat exchange boxes 5 can be stacked, the distance between every two adjacent heat exchange boxes 5 can be reduced, the number of the heat exchange boxes 5 which can be stacked is more in the same space, the second fins 14 are located between the two second clamping plates 12, the first clamping plates 11 and the second clamping plates 12 are arranged, smoke cannot flow out of the space between every two adjacent heat exchange boxes 5 through the arranged first clamping plates 11 and the arranged second clamping plates 12, and pollution to the environment is prevented;
the first fin 13 comprises a first parallel surface 15 and a first inclined surface 16, the first parallel surface 15 and the first inclined surface 16 are integrally formed, the first parallel surface 15 and the second inclined surface 16 are both positioned on one side surface, away from the heat exchange box 5, of the first fin 13, the first parallel surface 15 is parallel to the first connecting surface 9, the first parallel surface 15 is positioned below the first inclined surface 16, the distance between the first inclined surface 16 and the first connecting surface 9 is gradually increased from one end, away from the first parallel surface 15, to the other end, the second fin 14 comprises a second parallel surface 17 and a second inclined surface 18, the second parallel surface 17 and the second inclined surface 18 are integrally formed, the second parallel surface 17 and the second inclined surface 18 are both positioned on one side surface, away from the heat exchange box, of the second fin 14, the second parallel surface 17 is parallel to the second connecting surface 10, the second parallel surface 17 is positioned below the second inclined surface 18, and the distance between the second inclined surface 18 and the second connecting surface 10 is gradually increased from one end, away from the second parallel surface 17, away from the other end, away from the second inclined surface 10 Additionally, between two adjacent heat exchange boxes 5, the arrangement of the first inclined surface 16 and the second inclined surface 18 enables the gap between the first inclined surface 16 and the second inclined surface 18 to be larger, the temperature of the flue gas just entering the first fin 13 and the second fin 14 is higher, so the volume is larger, the flue gas can more easily enter the first fin 13 and the second fin 14, the arrangement of the first parallel surface 15 and the second parallel surface 17 increases the area of the whole first fin 13 and the whole second fin 14, the contact area of the flue gas with the first fin 13 and the whole second fin 14 is increased, the heat conduction is easier, and the heat conduction efficiency is also improved;
the inclination angle between the first parallel surface 15 and the first connecting surface 9 is the same as the inclination angle between the second parallel surface 17 and the second connecting surface 10, so that the first fin 13 and the second fin 14 can be conveniently processed and installed, the first fin 13 and the second fin 14 do not need to be specifically set in the installation process, the distance from the first clamping plate 11 to the first connecting surface 9 is the same as the distance from the first parallel surface 15 to the first connecting surface 9, and the distance from the second clamping plate 12 to the second connecting surface 10 is the same as the distance from the second parallel surface 17 to the second connecting surface 10, so that the first clamping plate 11 and the second clamping plate 12 can seal smoke, and smoke leakage is prevented;
the outer side of the heat exchange box 5 is provided with a water inlet 19 and a water outlet 20, the water inlet 19 is positioned above the water outlet 20, the water inlet 19 and the water outlet 20 are communicated with the first heat exchange cavity 6, water enters the heat exchange cavity 6 through the water inlet 19 and then flows out of the water outlet 20, a baffle 21 assembly is arranged in the heat exchange cavity 6, the baffle 21 assembly comprises eight baffles 21 which are parallel to each other, the baffles 21 separate the heat exchange cavity 6 to form an S-shaped channel, the heat exchange cavity 6 is separated to form an S-shaped channel through the eight baffles 21 which are parallel to each other, nine layers of flow channels are formed in the heat exchange cavity 6, so that the flow distance of the water in the heat exchange cavity 6 is increased, the heat in the flue gas can be better conducted into the water, the heat conduction efficiency is improved, the first layer is positioned at the top of the heat exchange cavity 6, the ninth layer is positioned at the bottom of the heat exchange cavity 6, the absorbed heat close to the first layer is higher in temperature and needs to be larger than the absorbed heat of the ninth layer, the first layer height is higher, the great velocity of flow that consequently rivers enter into the second floor from the first layer of potential energy is very fast, thereby can guarantee that the rivers in the heat transfer case 5 will be close to the heat of 5 top flue gases of heat transfer case and take away fast, then because baffle 21 height progressively decreases, the velocity of flow reduces gradually, make the time extension that water dwells in heat transfer case 5, make the heat of the absorption flue gas that water can be more abundant in heat transfer chamber 6, baffle 21 level sets up, and baffle 21 highly be the quarter of distance between every two adjacent baffles 21, highly be the quarter of distance between every two adjacent baffles 21 through the baffle 21 that sets up, the height of baffle 21 upper strata rivers has further been increased, thereby further increase the velocity of flow on first layer to the second floor, improve the heat exchange efficiency of rivers.
The two opposite side surfaces of the box body 1 are respectively and fixedly connected with a water inlet box 22 and a water outlet box 23, a plurality of heat absorbing pipes 24 are fixedly connected in the box body 1, the plurality of heat absorbing pipes 24 are arranged in an array along the circumferential direction of the air outlet pipe 3, the heat absorbing pipes 24 are mutually communicated with the water inlet box 22 and the water outlet box 23, the water inlet box 22 is mutually communicated with the water inlet pipe 7, the water pipe assembly further comprises a connecting pipe 25, the connecting pipe 25 is fixedly connected to the water outlet box 23, the water outlet box 23 is mutually communicated with the connecting pipe 25, the connecting pipe 25 is mutually communicated with each water inlet 19, the water outlet pipe 8 is mutually communicated with each water outlet 20, the water inlet box 22 and the water outlet box 23 which are arranged can provide communicated places for the heat absorbing pipes 24 for water, the heat absorbing pipes 24 which are arranged along the circumferential direction of the air outlet pipe 3 are communicated, the heat absorbing pipes 24 which are arranged along the circumferential direction can fully ensure that heat generated by combustion can be absorbed by water after the air flowing out of the air outlet pipe 3 is combusted, through the connecting pipe 25 that sets up can guarantee that the water in the play water tank 23 all enters into heat transfer chamber 6 from water inlet 19, promote the efficiency that the water in the play water tank 23 got into in a plurality of heat transfer chamber 6, all communicate each other with outlet pipe 8 through the delivery port 20 that sets up, can improve during hydroenergy in the heat transfer chamber 6 can flow into outlet pipe 8 simultaneously to the outflow efficiency of water in the heat transfer chamber 6 has been improved, thereby increased the heat exchange efficiency to the flue gas.
The working principle is as follows: the fuel gas is delivered into the outlet pipe 3 by the inlet pump 2, and then enters the tank body 1 through the outlet hole 26, then the fuel gas is ignited, the fuel gas starts to burn, the fuel gas burns to generate smoke and heat, an operator utilizes a water pump to convey cold water into the water inlet pipe 7, the water in the water inlet pipe 7 firstly enters the water inlet tank 22, then flows to the water outlet tank 23 through the heat absorbing pipe 24, the cold water in the heat absorbing pipe 24 absorbs the heat generated by the combustion of the fuel gas, the water in the water outlet tank 23 flows to the connecting pipe 25, sequentially enters the water inlets 19 from the connecting pipe 25, flows out of the water outlet 20 after passing through the heat exchange cavity 6, flows out of the box body 1 through the water outlet pipe 8 after flowing out of the water outlet 20, the smoke passes through the first fins 13 and the second fins 14, flows between the first fins 13 and between the second fins 14, and the heat in the flue gas is absorbed by the water flow in the heat exchange chamber 6.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a condensation heat exchanger structure, includes box (1), box (1) outside is provided with air intake pump (2), air outlet end fixedly connected with outlet duct (3) on air intake pump (2), outlet duct (3) stretch into in box (1), fixedly connected with blast pipe (4) on the box (1) side, blast pipe (4) with box (1) communicates each other, just blast pipe (4) are located outlet duct (3) below, its characterized in that: be provided with a plurality of heat transfer case (5) in box (1), a plurality of heat transfer case (5) set up along the horizontal direction interval, heat transfer case (5) are located outlet duct (3) with between blast pipe (4), be provided with heat transfer chamber (6) in heat transfer case (5), be provided with water pipe assembly in box (1), water pipe assembly includes inlet tube (7) and outlet pipe (8), inlet tube (7) with outlet pipe (8) equal fixed connection be in on box (1), inlet tube (7) are located outlet pipe (8) top, just inlet tube (7) with outlet pipe (8) all with heat transfer chamber (6) communicate each other, heat transfer case (5) are including first connection face (9) and second connection face (10), every adjacent two one of them in heat transfer case (5) first connection face (9) and another on heat transfer case (5) trade face (9) and another Second on hot case (5) is connected face (10) and is just to setting up, be provided with first heat exchange assembly on first connection face (9), first heat exchange assembly is used for connecting first connection face (9) heat transfer, the second is connected and is provided with second heat exchange assembly on face (10), second heat exchange assembly is used for connecting face (10) heat transfer to the second.
2. A condensing heat exchanger structure according to claim 1, characterized in that: the first connecting surface (9) is fixedly connected with two first clamping plates (11), the first clamping plates (11) are vertically arranged, the second connecting surface (10) is fixedly connected with two second clamping plates (12), the second clamping plates (12) are vertically arranged, the first clamping plates (11) correspond to the second clamping plates (12) one by one, the first clamping plates (11) and the second clamping plates (12) are arranged at intervals, the first heat exchange assembly comprises a plurality of first fins (13) which are arranged in parallel, the first fins (13) are arranged at intervals, the plurality of first fins (13) are all positioned between the two first clamping plates (11), the second heat exchange assembly comprises a plurality of second fins (14) which are arranged in parallel, the second fins (14) are arranged at intervals, and the plurality of second fins (14) are all positioned between the two second clamping plates (12), the first fins (13) and the second fins (14) are arranged at intervals.
3. A condensing heat exchanger structure according to claim 2, characterized in that: the first fin (13) comprises a first parallel surface (15) and a first inclined surface (16), the first parallel surface (15) and the first inclined surface (16) are integrally formed, the first parallel surface (15) and the first inclined surface (16) are both positioned on one side surface of the first fin (13) far away from the heat exchange box (5), the first parallel surface (15) and the first connecting surface (9) are parallel to each other, the first parallel surface (15) is positioned below the first inclined surface (16), the distance between the first inclined surface (16) and the first connecting surface (9) gradually increases from one end far away from the first parallel surface (15) to the other end, the second fin (14) comprises a second parallel surface (17) and a second inclined surface (18), and the second parallel surface (17) and the second inclined surface (18) are integrally formed, the second parallel surface (17) and the second inclined surface (18) are both located on one side surface, away from the heat exchange box (5), of the second fin (14), the second parallel surface (17) is parallel to the second connection surface (10), the second parallel surface (17) is located below the second inclined surface (18), and the distance between the second inclined surface (18) and the second connection surface (10) gradually increases from one end, away from the second parallel surface (17), to the other end.
4. A condensing heat exchanger structure according to claim 3, characterized in that: the inclination angle between the first parallel surface (15) and the first connecting surface (9) is the same as the inclination angle between the second parallel surface (17) and the second connecting surface (10), the distance from the first clamping board (11) to the first connecting surface (9) is the same as the distance from the first parallel surface (15) to the first connecting surface (9), and the distance from the second clamping board (12) to the second connecting surface (10) is the same as the distance from the second parallel surface (17) to the second connecting surface (10).
5. A condensing heat exchanger structure according to claim 1, characterized in that: water inlet (19) and delivery port (20) have been seted up in heat transfer case (5) outside, water inlet (19) all are located delivery port (20) top, water inlet (19) with delivery port (20) all with heat transfer chamber (6) communicate each other, be provided with baffle (21) subassembly in heat transfer chamber (6), baffle (21) subassembly includes eight baffle (21) that are parallel to each other, baffle (21) will heat transfer chamber (6) are separated and are formed S type passageway, baffle (21) level sets up, just the height of baffle (21) is every adjacent two the quarter of distance between baffle (21).
6. A condensing heat exchanger structure according to claim 5, characterized in that: the water pipe assembly comprises a water inlet pipe (22) and a water outlet pipe (23), wherein a water inlet tank (22) and a water outlet tank (23) are fixedly connected to two opposite side faces of the box body (1) respectively, a plurality of heat absorbing pipes (24) are fixedly connected to the interior of the box body (1), the heat absorbing pipes (24) are arranged in an array mode along the circumferential direction of the air outlet pipe (3), the heat absorbing pipes (24) are communicated with the water inlet tank (22) and the water outlet tank (23), the water inlet tank (22) is communicated with the water inlet pipe (7), the water pipe assembly further comprises a connecting pipe (25), the connecting pipe (25) is fixedly connected to the water outlet tank (23), the water outlet tank (23) is communicated with the connecting pipe (25), the connecting pipe (25) is communicated with each water inlet (19), and the water outlet pipe (8) is communicated with each water outlet (20).
7. A condensing heat exchanger structure according to claim 1, characterized in that: a plurality of air outlet holes (26) are formed in the air outlet pipe (3), the air outlet holes (26) are arranged in an array mode in the circumferential direction of the air outlet pipe (3), and the air outlet holes (26) are waist-shaped holes.
8. A condensing heat exchanger structure according to claim 1, characterized in that: keep away from inlet tube (7) one of box (1) is served and is served first ring flange (27) of fixedly connected with, outlet pipe (8) are kept away from one of box (1) is served and is served fixedly connected with second ring flange (28).
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