CN212537808U - Energy-saving boiler with steam condensate waste heat recovery function - Google Patents
Energy-saving boiler with steam condensate waste heat recovery function Download PDFInfo
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- CN212537808U CN212537808U CN202021151818.0U CN202021151818U CN212537808U CN 212537808 U CN212537808 U CN 212537808U CN 202021151818 U CN202021151818 U CN 202021151818U CN 212537808 U CN212537808 U CN 212537808U
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- energy
- boiler
- condenser
- steam condensate
- branch pipe
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- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 239000002918 waste heat Substances 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 239000007789 gas Substances 0.000 claims description 15
- 239000010865 sewage Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses an energy-saving boiler with steam condensate waste heat recovery, which comprises a connecting piece, an outer frame, a first branch pipe and a second branch pipe, wherein the first branch pipe and the second branch pipe are arranged on the inner wall of the outer frame, and the connecting piece is arranged in the outer frame through the first branch pipe and the second branch pipe; the connecting piece comprises a connecting body and a connecting piece fixing device, the connecting piece fixing device is arranged on the connecting body, and the connecting body is connected with the first branch pipe and the second branch pipe through the connecting piece fixing device. The utility model belongs to the technical field of building door and window, specifically indicate a take energy-saving boiler of steam condensate waste heat recovery, wherein the connecting piece that adopts has intensity firmly to have fluffy degree simultaneously, plays elasticity inflation effect when connecting piece and frame are connected, does not influence the use yet when the frame internal diameter has the error, is favorable to the finished product equipment.
Description
Technical Field
The utility model belongs to the technical field of gas boiler is energy-conserving, specifically indicate an energy-conserving boiler of water waste heat recovery is congealed to area steam.
Background
The combustion efficiency of the gas boiler is about 90%, about 10% of heat enters the environment through the exhaust smoke, and if the latent heat of vaporization of water vapor in the exhaust smoke is considered, the energy is huge. In general, the exhaust gas temperature of the natural gas boiler is generally 120-180 ℃, the exhaust gas temperature is reduced by 10 ℃, the waste heat resource loss of the exhaust gas is reduced by 0.6-1%, the energy consumption is correspondingly saved by 1.2-2.4%, and the economic benefit is obvious.
The existing fresh air preheating of the gas boiler is to exchange heat between fresh air and flue gas of the boiler, so that preheating of the fresh air is realized, but practical application proves that the efficiency of the gas and gas heat exchange mode is not high, the effect is not obvious enough, and therefore a new device needs to be designed to realize high-efficiency heat exchange.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a take energy-conserving boiler of steam condensate waste heat recovery, air water air preheater adopt the air water heat transfer, arrange in the combustor air intake, arrange the compactness, save boiler room area, steam condensate water is advanced boiler simultaneously and is cooled down through air water air preheater heat transfer, has reduced boiler exhaust gas temperature, improves boiler thermal efficiency, has better application and energy-conserving effect.
In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: an energy-saving boiler with steam condensate waste heat recovery comprises a boiler body, a sewage discharge pipeline, a condenser water inlet pipeline, a condenser, an economizer water inlet pipeline, a boiler water inlet pipeline, a burner and a gas-water air preheater, wherein the sewage discharge pipeline is connected with the bottom wall of the boiler body and discharges impurities in the boiler body, the condenser and the economizer are arranged on the upper wall of the boiler body, the condenser is connected with the economizer, the condenser water inlet pipeline is connected with the condenser, water enters the condenser from the condenser water inlet pipeline, the economizer water inlet pipeline is respectively connected with the condenser and the economizer, water in the condenser enters the economizer through the economizer water inlet pipeline, the boiler water inlet pipeline is respectively connected with the economizer and the boiler body, water in the economizer enters the boiler body through the boiler water inlet pipeline, the burner is arranged on the side wall of the boiler body, the gas-water air preheater is arranged at an air inlet of the combustor, and an air outlet of the gas-water air preheater is connected with the air inlet of the combustor and is used for exchanging heat between high-temperature steam condensate in a workshop and air required by combustion; generally speaking, the recovery temperature of steam condensate water in a workshop is 80-90 ℃, the steam condensate water is cooled to 40-50 ℃ after heat exchange is carried out by a gas-water air preheater at an air inlet of a combustor, the steam condensate water returns to a softened water tank in a boiler body, then the steam condensate water is pressurized by a feed pump of the boiler body, and the steam condensate water is heated to 100-110 ℃ after heat exchange is carried out by a condenser and an energy saver in sequence, so that the steam condensate water enters the boiler, namely a boiler water feeding; after heat exchange of normal temperature air is carried out through the air-water preheater, the temperature of the air is raised and then the air is mixed with fuel in the combustor to be fed into the hearth for combustion, high-temperature flue gas generated by combustion is discharged to the atmosphere after heat exchange of the boiler body, the economizer and the condenser in sequence, and in addition, the flue gas is combusted in a return stroke.
Furthermore, an explosion vent is arranged on the other side wall of the boiler body.
The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a take energy-conserving boiler of steam condensate waste heat recovery, workshop steam condensate recovery temperature is 80 ~ 90 ℃, after the heat transfer of the air water air preheater in combustor air intake department, the temperature drops to 40 ~ 50 ℃ and gets back to and softens the water tank in the boiler body, and then pressurizes through boiler body feed pump, after condenser, the heat transfer of energy-saving appliance in proper order, the temperature promotes to 100 ~ 110 ℃ and enters into the boiler, this is the boiler water supply flow; normal temperature air is sent into furnace burning with the fuel mixture in the combustor after the heat transfer of gas water air preheater, the temperature rises, the produced high temperature flue gas of burning discharges to atmosphere after boiler body, energy-saving appliance, the condenser heat transfer in proper order, in addition the burning flue gas return stroke, gas water air preheater adopts gas water heat transfer, arrange in the combustor air intake, arrange compactly, save boiler room area, compare with ordinary boiler, steam condensate water is cooled down through gas water air preheater heat transfer before entering boiler body, boiler exhaust gas temperature has been reduced, improve boiler thermal efficiency, has better application and energy-conserving effect.
Drawings
FIG. 1 is a schematic view of the overall structure of an energy-saving boiler with steam condensate waste heat recovery of the present invention;
fig. 2 is a right side view of the energy-saving boiler with steam condensate waste heat recovery of the utility model.
The system comprises a boiler body 1, a boiler body 2, a sewage pipeline 3, a condenser water inlet pipeline 4, a condenser 5, an economizer 6, an economizer water inlet pipeline 7, a boiler water inlet pipeline 8, a combustor 9, an air-water preheater 10 and an explosion door.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model relates to a take energy-saving boiler of steam condensate waste heat recovery, including boiler body 1, sewage pipes 2, condenser inlet channel 3, condenser 4, energy-saving appliance 5, energy-saving appliance inlet channel 6, boiler inlet channel 7, combustor 8 and air water air preheater 9, sewage pipes 2 links to each other with 1 diapire of boiler body, boiler body 1 upper wall is located to condenser 4 and energy-saving appliance 5, condenser 4 links to each other with energy-saving appliance 5, condenser inlet channel 3 links to each other with condenser 4, energy-saving appliance inlet channel 6 links to each other with condenser 4 and energy-saving appliance 5 respectively, boiler inlet channel 7 links to each other with energy-saving appliance 5 and boiler body 1 respectively, on boiler body 1 lateral wall is located to combustor 8, 8 air water air preheater 9 locates 8 air intake department.
And the other side wall of the boiler body 1 is provided with an explosion-proof door 10.
When the system is used specifically, the recovery temperature of steam condensate in a workshop is 80-90 ℃, the steam condensate is cooled to 40-50 ℃ after heat exchange is carried out by the air-water air preheater 9 at the air inlet of the combustor 8, the steam condensate returns to the softened water tank in the boiler body 1, the steam condensate is pressurized by the water supply pump of the boiler body 1, the steam condensate is heated to 100-110 ℃ after heat exchange is carried out by the condenser 4 and the energy saver 5 in sequence, and the steam condensate enters the boiler, namely a boiler water supply flow; after heat exchange of normal temperature air is carried out through the air-water preheater 9, the temperature of the air is raised and then the air is mixed with fuel in the combustor 8 and sent into the hearth for combustion, high temperature flue gas generated by combustion is discharged to the atmosphere after heat exchange through the boiler body 1, the economizer 5 and the condenser 4 in sequence, and in addition, the combustion flue gas returns.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (2)
1. The utility model provides a take energy-conserving boiler of steam condensate waste heat recovery which characterized in that: including boiler body, sewage pipes, condenser inlet channel, condenser, energy-saving appliance inlet channel, boiler inlet channel, combustor and gas water air preheater, sewage pipes links to each other with the boiler body diapire, the boiler body upper wall is located to condenser and energy-saving appliance, the condenser links to each other with the energy-saving appliance, the condenser inlet channel links to each other with the condenser, the energy-saving appliance inlet channel links to each other with condenser and energy-saving appliance respectively, the boiler inlet channel links to each other with energy-saving appliance and boiler body respectively, the combustor is located on the boiler body lateral wall, combustor air water air preheater locates combustor air intake department.
2. The energy-saving boiler with the steam condensate waste heat recovery function according to claim 1, is characterized in that: and an explosion-proof door is arranged on the other side wall of the boiler body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021151818.0U CN212537808U (en) | 2020-06-19 | 2020-06-19 | Energy-saving boiler with steam condensate waste heat recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021151818.0U CN212537808U (en) | 2020-06-19 | 2020-06-19 | Energy-saving boiler with steam condensate waste heat recovery function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212537808U true CN212537808U (en) | 2021-02-12 |
Family
ID=74548962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021151818.0U Active CN212537808U (en) | 2020-06-19 | 2020-06-19 | Energy-saving boiler with steam condensate waste heat recovery function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212537808U (en) |
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2020
- 2020-06-19 CN CN202021151818.0U patent/CN212537808U/en active Active
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