CN220552110U - Vertical premixed combustion type direct-current hot water boiler - Google Patents
Vertical premixed combustion type direct-current hot water boiler Download PDFInfo
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- CN220552110U CN220552110U CN202322212389.3U CN202322212389U CN220552110U CN 220552110 U CN220552110 U CN 220552110U CN 202322212389 U CN202322212389 U CN 202322212389U CN 220552110 U CN220552110 U CN 220552110U
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- water tank
- water
- boiler
- flame
- premixed combustion
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 14
- 239000011148 porous material Substances 0.000 description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000006229 carbon black Substances 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The utility model discloses a premixed combustion vertical type once-through water heating boiler, which comprises a boiler main body and a mixing chamber, wherein the mixing chamber is arranged at the bottom of the boiler main body. The beneficial effects are that: according to the utility model, the heating pipe and the capillary are adopted, when water is heated, the water enters the second water tank through the water inlet pipe, passes through the capillary and enters the first water tank, passes through the heating pipe and enters the third water tank, and is discharged along the hot water pipe, the heating pipe is distributed above the flame plate and is positioned at the outer side of the inner flame of the flame and is positioned in the outer flame of the flame, and is directly contacted with the outer flame of the flame.
Description
Technical Field
The utility model relates to the technical field of once-through hot water boilers, in particular to a premixed combustion vertical once-through hot water boiler.
Background
After search, the publication number is found as follows: CN215675815U, entitled full premix water cooled once-through boiler, this application proposes a cast aluminum condensing hot water boiler, which uses a metal fiber surface burner, has low NOx emissions and high boiler thermal efficiency compared to conventional boilers; however, the flame stability is poor and the flame is easy to temper; meanwhile, the environment adaptability is poor, impurities in air or fuel gas are easy to block surface fiber holes, manual regular cleaning is needed, and otherwise, the combustion head is easy to burn; the main material of the boiler body is cast aluminum, and the defect rate of the cast aluminum is high due to the limitation of the manufacturing process; the protruding structures in the water channel and the flue are easy to damage; when quality of water is relatively poor, the problem that the water course is easy to block is solved, through setting up steady flame pipe in the inner flame department of flame to cool down steady flame pipe, fire row through cold water, take away its heat fast, effectively reduce flame temperature, reduce harmful gas's production.
However, it is known that the temperature of the flame inner flame is low, the temperature of the flame outer flame is high, the application reduces the temperature of the flame inner flame, the cooling and heating effects are not high, the cooling and heating efficiency is affected, further improvement can be made, meanwhile, no matter what fuel is, even natural gas, insufficient combustion phenomenon can occur, carbon black is adhered to the surface of a pipeline, the heat conduction efficiency is affected, a condensing tube bundle with fins is adopted, although the heat exchange efficiency is improved, the carbon black is extremely easy to adhere, the heat exchange efficiency is affected, frequent cleaning is needed, the condensing tube bundle with fins is troublesome to clean compared with a smooth pipeline, the later cleaning and maintenance are difficult, and further improvement can be made.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a premixed combustion vertical direct-current water heating boiler, which has the advantages of high working efficiency and convenient cleaning and maintenance, thereby solving the problems in the prior art.
(II) technical scheme
In order to achieve the advantages of high working efficiency and convenient cleaning and maintenance, the utility model adopts the following specific technical scheme:
the utility model provides a vertical once-through hot water boiler of premixed combustion, includes boiler body and mixing chamber, the mixing chamber is installed to boiler body bottom, and mixing chamber top is above the inside fixed mounting of boiler body has the fire board to flame outer flame department mount is equipped with the heating pipe, the inside mount of boiler body top is equipped with the capillary, and is located the welding of boiler body inner wall between capillary and the heating pipe has the inside casing to inside grafting has the orifice plate, orifice plate one end welding has the closure plate, and the closure plate passes through bolt and boiler body fixed connection, boiler body one side surface is from last to having second water tank and third water tank down in proper order, and boiler body opposite side surface fixed mounting has first water tank, second water tank opposite side surface through connection has the inlet tube, third water tank opposite side surface through connection has the hot-water line.
Further, the two ends of the capillary tube penetrate through the boiler main body and respectively extend into the first water tank and the second water tank.
Further, two ends of the heating pipe penetrate through the boiler main body and extend into the first water tank and the third water tank respectively.
Further, the capillary cross-sectional area sum is equal to the heating tube cross-sectional area sum.
Further, the air inlet end of the mixing chamber is respectively connected with an air inlet pipe and an air inlet pipe in a penetrating way.
Further, the top surface of the boiler main body is connected with a smoke outlet in a penetrating way.
Further, the capillaries are arranged in a plurality of rows, and the capillaries of two adjacent rows are staggered.
Furthermore, the capillary tube and the heating tube are round tubes with smooth surfaces.
(III) beneficial effects
Compared with the prior art, the utility model provides the premixed combustion vertical direct-current hot water boiler, which has the following beneficial effects:
(1) The utility model adopts the heating pipe and the capillary, when heating water, the water enters the second water tank through the water inlet pipe, enters the first water tank after passing through the capillary, enters the third water tank after passing through the heating pipe, is discharged along the hot water pipe, and is distributed above the fire plate, is positioned outside the inner flame of the flame and is positioned inside the outer flame of the flame, and is directly contacted with the outer flame of the flame.
(2) The utility model adopts the pore plate and the capillary, the surface of the capillary is of a smooth structure, the structure is simple, the production and the installation are convenient, the pore plate is inserted into the boiler main body, when flue gas passes through the pore plate, part of carbon black impurities can be adsorbed on the surface of the pore plate, the adhesion of carbon black and other impurities to the capillary is reduced, the cleaning times of the capillary are reduced, and when the pore plate is cleaned, the pore plate can be pulled out for cleaning by only removing bolts for connecting the blocking plate and the boiler main body, thereby being convenient for later cleaning and maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first construction of a premixed combustion vertical once-through hot water boiler according to the present utility model;
FIG. 2 is a schematic diagram of a second construction of a premixed combustion vertical once-through hot water boiler according to the present utility model;
FIG. 3 is a front view of a vertical once-through premixed combustion hot water boiler according to the present utility model;
fig. 4 is a schematic diagram of the structure of the orifice plate according to the present utility model.
In the figure:
1. a boiler body; 2. a mixing chamber; 3. an air inlet pipe; 4. an air inlet pipe; 5. a capillary tube; 6. heating pipes; 7. a fire plate; 8. an inner frame; 9. an orifice plate; 10. a closure plate; 11. a smoke outlet; 12. a first water tank; 13. a second water tank; 14. a water inlet pipe; 15. a third water tank; 16. a hot water pipe.
Detailed Description
For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to an embodiment of the present utility model, a premixed combustion vertical once-through water boiler is provided.
The utility model will now be further described with reference to the accompanying drawings and the detailed description, as shown in fig. 1-4, a premixed combustion vertical type once-through hot water boiler according to an embodiment of the utility model comprises a boiler body 1 and a mixing chamber 2, wherein the mixing chamber 2 is installed at the bottom of the boiler body 1, which is a disclosed technology for mixing natural gas and air to improve combustion efficiency, a fire plate 7 is fixedly installed inside the boiler body 1 above the mixing chamber 2, which is a common structure, a heating pipe 6 is arranged at a fixing frame above the fire plate 7 at a flame outer flame, the heating pipe 6 is arranged outside the flame inner flame, a capillary tube 5 is arranged above the heating pipe 6 at the fixing frame inside the boiler body 1, an inner frame 8 is welded between the capillary tube 5 and the heating pipe 6 at the inner wall of the boiler body 1, the inner frame 8 is a groove track arranged at the periphery of the inner wall of the boiler body 1, and an orifice plate 9 is inserted inside the inner frame 8, the surface of the orifice plate 9 is densely provided with through holes, one end of the orifice plate 9 is welded with a blocking plate 10, the blocking plate 10 is fixedly connected with the boiler main body 1 through bolts, a second water tank 13 and a third water tank 15 are sequentially and fixedly arranged on one side surface of the boiler main body 1 from top to bottom, a first water tank 12 is fixedly arranged on the other side surface of the boiler main body 1, a water inlet pipe 14 is connected on the other side surface of the second water tank 13 in a penetrating way, a hot water pipe 16 is connected on the other side surface of the third water tank 15 in a penetrating way, two ends of a capillary tube 5 penetrate through the boiler main body 1 and respectively extend into the first water tank 12 and the second water tank 13, two ends of a heating tube 6 penetrate through the boiler main body 1 and respectively extend into the first water tank 12 and the third water tank 15, when water is heated, the water enters into the second water tank 13 through the water inlet pipe 14, passes through the capillary tube 5 and then enters into the first water tank 12, the heating pipe 6 is arranged in the third water tank 15 after passing through the heating pipe 6, the heating pipe is discharged along the hot water pipe 16, the heating pipe 6 is distributed above the fire plate 7, the heating pipe is positioned on the outer side of flame inner flame, the heating pipe is positioned in flame outer flame, the heating pipe is directly contacted with the outer flame of flame, the principle that the temperature of the flame outer flame is high is utilized, the flame temperature is rapidly reduced when the heating efficiency is improved, the water heating effect and the flame cooling effect are more obvious, the working efficiency is higher, meanwhile, the capillaries 5 are distributed above the flame in a staggered mode, the heat exchange area is improved through reducing the pipe diameter, the flue gas waste heat is convenient to heat, meanwhile, the cooling effect on flue gas is improved, the working efficiency is further improved, meanwhile, the surface of the capillaries 5 is of a smooth structure, the structure is simple, the production and installation are convenient, impurities of part of carbon black can be adsorbed on the surface of the pore plate 9 when the flue gas passes through the pore plate 9, the adhesion of the impurities such as carbon black is reduced, the cleaning times of the capillaries 5 are reduced, and the pore plate 9 can be cleaned only by dismantling bolts of the connecting plate 10 and the boiler main body 1 when the pore plate is cleaned, and the pore plate is convenient for cleaning and later cleaning and maintenance.
In one embodiment, the capillary tube 5 cross-sectional area sum equals the heating tube 6 cross-sectional area sum, in order to keep the water flow stable.
In one embodiment, the air inlet end of the mixing chamber 2 is respectively connected with an air inlet pipe 4 and an air inlet pipe 3 in a penetrating way, so that air inlet and air inlet are facilitated.
In one embodiment, the top surface of the boiler body 1 is connected with a smoke outlet 11 in a penetrating way, so as to facilitate smoke discharge.
In one embodiment, the capillaries 5 are arranged in a plurality of rows, and the capillaries 5 of two adjacent rows are staggered, so that the contact efficiency with the flue gas is improved.
In one embodiment, the capillary tube 5 and the heating tube 6 are round tubes with smooth surfaces, so that the installation and cleaning are convenient.
Working principle:
when heating water, water enters into the second water tank 13 through the inlet tube 14, enter into the first water tank 12 after passing through the capillary 5, enter into the third water tank 15 after passing through the heating tube 6, discharge along the hot water pipe 16, the heating tube 6 distributes in the top of the flame plate 7, be located the outside of flame inner flame, be located the inside of flame outer flame, direct and the outer flame contact of flame, the principle that flame outer flame temperature is high is utilized, the quick flame temperature reduction is carried out when improving heating efficiency, water heating and flame cooling effect is more obvious, work efficiency is higher, simultaneously, capillary 5 staggered distribution is above the flame, through reducing pipe diameter and improving heat exchange area, be convenient for flue gas waste heat to heat, simultaneously, cooling effect to the flue gas is improved, and then further improved work efficiency, simultaneously, capillary 5 surface is smooth structure, and simple structure, be convenient for production and installation, orifice plate 9 is pegged graft in boiler main part when flue gas passes orifice plate 9, part forms the impurity of carbon black can adsorb the surface of orifice plate 9, reduce the adhesion of impurity such as carbon black to capillary 5, reduce capillary 5's clearance number of times, when cleaning 9, only need to take out the orifice plate 9 and take out when the boiler main part 10 and only need to take out the clearance bolt to be cleaned after the orifice plate 1, the maintenance stage is convenient for cleaning.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a vertical once-through hot water boiler of premixed combustion, its characterized in that, including boiler body (1) and mixing chamber (2), mixing chamber (2) are installed to boiler body (1) bottom, and mixing chamber (2) top is inside fixed mounting has fire board (7) of boiler body (1), and fire board (7) top is located flame outer flame department mount and is equipped with heating pipe (6), heating pipe (6) top is located boiler body (1) inside mount and is equipped with capillary (5), and lies in boiler body (1) inner wall welding between capillary (5) and heating pipe (6) and have inside casing (8) to inside grafting of inside casing (8) has orifice plate (9), orifice plate (9) one end welding has closure plate (10), and closure plate (10) are through bolt and boiler body (1) fixed connection, boiler body (1) one side surface is from last to being in proper order fixed mounting have second water tank (13) and third water tank (15), and boiler body (1) opposite side surface fixed mounting has first water tank (12), second water tank (13) opposite side surface connection has inlet tube (14), third water tank (16) opposite side surface connection.
2. The premixed combustion vertical once-through water heater boiler according to claim 1, wherein the two ends of the capillary tube (5) penetrate through the boiler body (1) and extend into the first water tank (12) and the second water tank (13), respectively.
3. The premixed combustion vertical once-through water heater boiler according to claim 1, wherein the two ends of the heating pipe (6) penetrate through the boiler body (1) and extend into the first water tank (12) and the third water tank (15), respectively.
4. A premixed combustion vertical once-through water boiler according to claim 1, characterized in that the capillary tube (5) cross-sectional area sum is equal to the heating tube (6) cross-sectional area sum.
5. The premixed combustion vertical type direct current hot water boiler according to claim 1, wherein an air inlet end of the mixing chamber (2) is respectively connected with an air inlet pipe (4) and an air inlet pipe (3) in a penetrating manner.
6. The premixed combustion vertical once-through water heater boiler according to claim 1, wherein the top surface of the boiler body (1) is connected with a smoke outlet (11) in a penetrating way.
7. The premixed combustion vertical once-through water heating boiler according to claim 1, wherein the capillaries (5) are arranged in a plurality of rows, and the capillaries (5) of adjacent two rows are staggered.
8. The premixed combustion vertical once-through water heating boiler according to claim 1, wherein the capillary tube (5) and the heating tube (6) are round tubes with smooth surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212389.3U CN220552110U (en) | 2023-08-17 | 2023-08-17 | Vertical premixed combustion type direct-current hot water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212389.3U CN220552110U (en) | 2023-08-17 | 2023-08-17 | Vertical premixed combustion type direct-current hot water boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220552110U true CN220552110U (en) | 2024-03-01 |
Family
ID=90008334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322212389.3U Active CN220552110U (en) | 2023-08-17 | 2023-08-17 | Vertical premixed combustion type direct-current hot water boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220552110U (en) |
-
2023
- 2023-08-17 CN CN202322212389.3U patent/CN220552110U/en active Active
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