CN219934031U - Preheating device for boiler - Google Patents
Preheating device for boiler Download PDFInfo
- Publication number
- CN219934031U CN219934031U CN202320474557.3U CN202320474557U CN219934031U CN 219934031 U CN219934031 U CN 219934031U CN 202320474557 U CN202320474557 U CN 202320474557U CN 219934031 U CN219934031 U CN 219934031U
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- boiler
- limiting
- preheating device
- heat collection
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- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 210000001503 joint Anatomy 0.000 claims abstract description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Air Supply (AREA)
Abstract
The utility model discloses a preheating device for a boiler, which comprises a boiler shell, wherein a butt joint cylinder and an air guide channel are arranged on one side of the boiler shell in a penetrating way, a heat collection cylinder is arranged at one end of the butt joint cylinder, an air guide pipe is arranged between the heat collection cylinder and the air guide channel in a penetrating way, a resistance heating wire is arranged in the air guide channel, limit hoops are arranged on two sides of the top of the heat collection cylinder, limit plates are arranged on two limit hoops, a mounting plate is arranged between the two limit plates, sealing strips are arranged at the bottoms of two sides of the mounting plate, a filter screen is arranged in the mounting plate, and limiting blocks are arranged inside two sides of the two limit hoops in a sliding way. Under the combined action of filter screen and sealing strip, the in-process of air inlet can filter the impurity in the air through the filter screen that sets up, prevents that it from causing the damage to resistance heating wire, increases preheating effect, and the leakproofness of this device air inlet can be increased to the cooperation sealing strip simultaneously.
Description
Technical Field
The utility model relates to the technical field of preheating devices, in particular to a preheating device for a boiler.
Background
The boiler is energy conversion equipment, fuel and air are input into the boiler, steam, high temperature water or an organic heat carrier with certain heat energy is output from a burner in the boiler, and a corresponding combustion-supporting device is arranged for auxiliary operation in order to better improve the combustion quality of the burner when the burner is operated;
the combustion-supporting air preheating device for the boiler burner disclosed in the prior art (publication number: CN 212108482U) comprises a shell and a base, wherein the top of the base is fixedly provided with the shell, one side of the shell is provided with a communicated installation cavity, the other side of the shell is provided with a heat collecting cylinder in a butt joint manner through a butt joint cylinder, the inside of the heat collecting cylinder is provided with a heat transfer cylinder communicated with the butt joint cylinder in a butt joint manner, the bottom of the heat collecting cylinder is fixedly provided with a communicated air inlet cavity, the shell below the butt joint cylinder is provided with a communicated air guide channel, and the inside of the air guide channel is provided with a resistance heating wire. According to the utility model, the heat emitted by the heat collection cylinder and the heat transfer cylinder can be conducted and collected during operation of the burner, so that the operation energy consumption of the burner is reduced, the consumption of fuel is reduced, the air guide channel enables the burner to still reach a good air preheating effect in the initial stage through the resistance heating wire, more heat energy and fuel consumption of the burner in the initial stage are avoided or reduced, the device heats air passing through the heat collection cylinder through the resistance heating wire, the heated air carries out auxiliary burner preheating in the boiler shell, and in the air inlet process of the heat collection cylinder, the air enters from the air inlet hole, however, the device is not provided with a filtering structure, impurities in the air are led in during the air inlet process, so that the preheating effect of the air guide channel is reduced, the solid impurities can damage the resistance heating wire, and the service life of the device is reduced.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a preheating device for a boiler.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a preheating device for boiler, includes the boiler casing, one side of boiler casing runs through and installs butt joint section of thick bamboo and air duct, heat collection section of thick bamboo is installed to one end of butt joint section of thick bamboo, run through between heat collection section of thick bamboo and the air duct and install the air duct, air duct's inside is provided with resistance heating wire, spacing hoop is all installed to heat collection section of thick bamboo's top both sides, two all install the limiting plate on the spacing hoop, two install the mounting panel between the limiting plate, the sealing strip is all installed to the both sides bottom of mounting panel, install the filter screen in the mounting panel, two the inside equal slidable mounting in both sides of spacing hoop has the stopper, four one side bottom of stopper touches four mutually with the both sides top of two limiting plates the slider is all installed, four all install the spring between one side of slider and the two spacing hoops.
Preferably, the bottom of the boiler shell is provided with a base, and one side of the boiler shell is provided with a timing switch.
Preferably, the resistance heating wire is electrically connected with the timing switch.
Preferably, the top of the heat collection cylinder is provided with an air inlet, and the positions of the filter screen and the air inlet are mutually corresponding.
Preferably, sealing grooves are formed in two sides of the top of the heat collection cylinder, and the two sealing strips are respectively connected in the corresponding sealing grooves.
Preferably, the four sliding blocks are respectively and slidably arranged on two sides of the two limiting hoops, the two sides of the two limiting hoops are provided with limiting grooves, and the two limiting plates are positioned in the corresponding limiting grooves.
The utility model has the following beneficial effects:
1. under the combined action of filter screen and sealing strip, the in-process of air inlet can filter the impurity in the air through the filter screen that sets up, prevents that it from causing the damage to resistance heating wire, increases preheating effect, and the leakproofness of this device air inlet can be increased to the cooperation sealing strip simultaneously.
2. Under the cooperation of limiting plate and stopper, when taking place to block up on the filter screen, the accessible outside slip slider makes the spring compression, and drives the stopper and roll off from the limiting plate, can take off two limiting plates and change or wash the filter screen this moment, and then be convenient for dismantle the change of filter screen, be convenient for to its washing, and then increased this device practicality.
Drawings
FIG. 1 is a schematic perspective view of a preheating device for a boiler according to the present utility model;
FIG. 2 is a schematic view showing the internal structure of an air guide channel of a preheating device for a boiler according to the present utility model;
FIG. 3 is a schematic diagram of an explosion structure at the junction of a heat collecting cylinder and a filter screen of a preheating device for a boiler according to the present utility model;
fig. 4 is a schematic diagram of an explosion structure at the joint of a limit clip and a limit plate of the preheating device for a boiler according to the present utility model.
In the figure: 1. a boiler housing; 101. a base; 102. a timing switch; 2. a butt joint barrel; 3. a heat collecting cylinder; 301. an air inlet hole; 4. an air duct; 5. an air guide channel; 6. a resistance heating wire; 7. a limit hoop; 8. a limiting plate; 9. a mounting plate; 10. a sealing strip; 11. a filter screen; 12. a limiting block; 13. a slide block; 14. and (3) a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a preheating device for a boiler comprises a boiler shell 1, wherein a combustion engine is arranged in the boiler shell 1, a flame outlet of the combustion engine is in butt joint with a butt joint barrel 2, one side of the boiler shell 1 is provided with a butt joint barrel 2 and an air guide channel 5 in a penetrating manner, one end of the butt joint barrel 2 is provided with a heat collection barrel 3, an air guide pipe 4 is provided between the heat collection barrel 3 and the air guide channel 5 in a penetrating manner, the inside of the air guide channel 5 is provided with a resistance heating wire 6, limit hoops 7 are arranged on two sides of the top of the heat collection barrel 3, limit plates 8 are arranged on two limit hoops 7, a mounting plate 9 is arranged between the two limit plates 8, sealing strips 10 are arranged on two side bottoms of the mounting plate 9, a filter screen 11 is arranged in the mounting plate 9, two limit blocks 12 are arranged in a sliding manner in two side bottoms of the limit hoops 7, four limit blocks 13 are arranged on two side bottoms of one side of the limit blocks 12 and two side tops of the two limit plates 8 in a penetrating manner, and a slider 13 is arranged on the top of the two side faces of the limit blocks 12, and a limit spring 14 is arranged between one side of the limit hoops 13 and the two limit springs.
Specifically, the base 101 is installed to the bottom of boiler casing 1, the timing switch 102 is installed to one side of boiler casing 1, and after the combustor operation certain time, through timing switch 102 timing closed resistance heating wire 6.
Specifically, the resistance heating wire 6 is electrically connected to the timing switch 102.
Specifically, the top of the heat collecting cylinder 3 is provided with an air inlet 301, and the positions of the filter screen 11 and the air inlet 301 correspond to each other.
Specifically, sealing grooves are formed in two sides of the top of the heat collection cylinder 3, and two sealing strips 10 are respectively connected in the corresponding sealing grooves.
Specifically, four sliders 13 are slidably mounted on two sides of two spacing hoops 7, and two spacing grooves are formed on two sides of two spacing hoops 7, and two spacing plates 8 are located in corresponding spacing grooves.
In the present utility model, as shown in FIG. 1-
As shown in fig. 4, the electric components inside the device are all externally connected with a power supply, when the device is used, air enters the air guide channel 5 from the air inlet 301 of the heat collection cylinder 3 through the air guide pipe 4, the air is heated by the resistance heating wire 6, and then is guided into the combustion machine of the boiler shell 1 to be preheated, and impurities in the air can be filtered through the filter screen 11 in the air inlet process, so that the damage to the resistance heating wire 6 is prevented, the preheating effect is improved, the sealing performance of the air inlet of the device can be improved by matching with the sealing strip 10, and when the filter screen 11 is blocked, the spring 14 is compressed by the sliding slide block 13 outwards, the limiting block 12 is driven to slide out from the limiting plate 8, at this time, the two limiting plates 8 can be taken down and replaced or cleaned by the filter screen 11, after the two limiting grooves of the two limiting plates 8 and the two limiting hoops 7 are respectively driven by the two sealing strips 10 to be respectively in the corresponding sealing grooves during installation, and then the two limiting blocks 12 are driven to limit the limiting plates 8 under the action of the spring 14 to be convenient to replace and disassemble the filter screen 11, so that the practicability of the device is improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a preheating device for boiler, includes boiler casing (1), its characterized in that, one side of boiler casing (1) runs through and installs butt joint section of thick bamboo (2) and air duct (5), heat collection section of thick bamboo (3) are installed to the one end of butt joint section of thick bamboo (2), run through between heat collection section of thick bamboo (3) and air duct (5) and install air duct (4), the inside of air duct (5) is provided with resistance heating wire (6), spacing hoop (7) are all installed on the top both sides of heat collection section of thick bamboo (3), two spacing hoop (7) are gone up and are all installed limiting plate (8), two install mounting panel (9) between limiting plate (8), sealing strip (10) are all installed to the both sides bottom of mounting panel (9), install filter screen (11) in mounting panel (9), two the both sides inside equal slidable mounting of limiting hoop (7) has stopper (12), four one side bottom of stopper (12) and two the both sides top of two limiting plate (8) contact four both sides top of each other limiting plate (12) and two sides are installed between slider (13) and two slider (13).
2. A preheating device for a boiler according to claim 1, characterized in that the bottom of the boiler housing (1) is provided with a base (101), and that one side of the boiler housing (1) is provided with a timing switch (102).
3. A preheating device for a boiler according to claim 1, wherein the resistance heating wire (6) is electrically connected to a timing switch (102).
4. The preheating device for the boiler according to claim 1, wherein the top of the heat collecting cylinder (3) is provided with an air inlet hole (301), and the positions of the filter screen (11) and the air inlet hole (301) are mutually corresponding.
5. The preheating device for the boiler according to claim 1, wherein sealing grooves are formed in two sides of the top of the heat collection cylinder (3), and two sealing strips (10) are respectively connected in the corresponding sealing grooves.
6. The preheating device for the boiler according to claim 1, wherein four sliding blocks (13) are respectively and slidably arranged on two sides of two limiting hoops (7), limiting grooves are formed on two sides of the two limiting hoops (7), and the two limiting plates (8) are positioned in the corresponding limiting grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320474557.3U CN219934031U (en) | 2023-03-13 | 2023-03-13 | Preheating device for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320474557.3U CN219934031U (en) | 2023-03-13 | 2023-03-13 | Preheating device for boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219934031U true CN219934031U (en) | 2023-10-31 |
Family
ID=88500043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320474557.3U Active CN219934031U (en) | 2023-03-13 | 2023-03-13 | Preheating device for boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219934031U (en) |
-
2023
- 2023-03-13 CN CN202320474557.3U patent/CN219934031U/en active Active
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