CN216384250U - Air inlet connecting structure of steam pump heating boiler - Google Patents
Air inlet connecting structure of steam pump heating boiler Download PDFInfo
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- CN216384250U CN216384250U CN202121989154.XU CN202121989154U CN216384250U CN 216384250 U CN216384250 U CN 216384250U CN 202121989154 U CN202121989154 U CN 202121989154U CN 216384250 U CN216384250 U CN 216384250U
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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 air inlet connecting structure of a steam pump heating boiler, which comprises a primary air duct, a secondary air duct, a heater, a steam turbine exhaust steam outlet, a deaerator exhaust steam outlet, a condensate water collecting device and a boiler flue, wherein the steam turbine exhaust steam outlet is connected with one end of a first pipeline, the other end of the first pipeline is connected with an inlet of a heat exchange pipeline of the heater, the deaerator exhaust steam outlet is connected with one end of a second pipeline, the other end of the second pipeline is connected with the first pipeline, the primary air duct and the secondary air duct are connected with the heater, an outlet of the heat exchange pipeline of the heater is connected with one end of a third pipeline, the other end of the third pipeline is connected with a water inlet of the condensate water collecting device, one end of the circulating pipeline is connected with a water outlet of the condensate water collecting device, the other end of the circulating pipeline is connected with the first pipeline, and waste steam resources which need to be discharged originally are fully utilized to be used as a heating heat source for heating and warming, energy conservation and environmental protection, and improves the economic efficiency.
Description
Technical Field
The utility model relates to the technical field of boilers, in particular to an air inlet connecting structure of a steam pump heating boiler.
Background
The primary air of the boiler refers to air which is fed into a hearth together with pulverized coal when the air pulverized coal fed from the lower part of a grate is combusted in the grate-fired boiler, and the primary air plays a leading role in the combustion of the boiler. The secondary air of the boiler is a name of air supply for providing oxygen for pulverized coal, and the air volume of the secondary air is the largest of the primary air and the tertiary air and occupies a considerable proportion of the total air volume.
The primary air and the secondary air of the boiler need to be heated by the heater in the prior art, the heat exchange pipeline of the heater is usually heated by the flue gas exhausted by the pipeline boiler, and the heat exchange pipeline is easy to accumulate dust to cause temperature rise after long-time operation, so that the heat efficiency of the boiler is reduced, and the economic efficiency of a company is caused, and therefore, the air inlet connecting structure of the steam pump heating boiler is necessary to be designed to solve the technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model relates to an air inlet connecting structure of a steam pump heating boiler, which has a simple and reliable structure, effectively solves the technical problems and is suitable for popularization and application, and in order to realize the purposes, the utility model is realized by the following technical scheme:
an air inlet connecting structure of a steam pump heating boiler comprises a primary air channel, a secondary air channel, a heater, a steam turbine exhaust steam outlet, a deaerator exhaust steam outlet, a condensate water collecting device, a boiler flue, a first pipeline, a second pipeline, a third pipeline and a circulating pipeline, wherein the steam turbine exhaust steam outlet is connected with one end of the first pipeline, the other end of the first pipeline is connected with an inlet of a heat exchange pipeline of the heater, the deaerator exhaust steam outlet is connected with one end of the second pipeline, the other end of the second pipeline is connected with the first pipeline, the primary air channel and the secondary air channel are connected with the heater and respectively enable primary air and secondary air to pass through the heater to exchange heat with the heat exchange pipeline, an outlet of the heat exchange pipeline of the heater is connected with one end of the third pipeline, and the other end of the third pipeline is connected with a water inlet of the condensate water collecting device, one end of the circulating pipeline is connected with a water outlet of the condensed water collecting device, the other end of the circulating pipeline is connected with the first pipeline, and the circulating pipeline penetrates through a boiler flue.
On the basis of the above scheme and as a preferable scheme of the scheme: the heater comprises fixing plates which are oppositely arranged up and down, and the heat exchange pipeline is fixedly arranged between the two fixing plates.
On the basis of the above scheme and as a preferable scheme of the scheme: a plurality of heat exchange pipelines are arranged in a rectangular array structure in a row-by-row mode.
On the basis of the above scheme and as a preferable scheme of the scheme: the heat exchange pipeline is a three-dimensional pipe.
On the basis of the above scheme and as a preferable scheme of the scheme: and a circulating pump is arranged in the circulating pipeline.
Compared with the prior art, the utility model has the outstanding and beneficial technical effects that: the exhaust steam of the steam turbine and the exhaust steam of the deaerator are finally guided into the heat exchange pipeline by the first pipeline to heat the heat exchange pipeline, and the primary air duct and the secondary air duct respectively enable primary air and secondary air to pass through the heater to exchange heat with the heat exchange pipeline so as to complete heating, so that the exhaust steam resource which needs to be discharged outwards originally is fully utilized to be used as a heating source to heat and heat, energy is saved, the environment is protected, dust accumulation in the heat exchange pipeline caused by guiding flue gas is avoided, the maintenance is convenient, and the economic efficiency is improved;
drawings
FIG. 1 is a schematic view of the connection structure of the present invention;
fig. 2 is a schematic heater diagram.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, however, the specific embodiments and embodiments described below are only for illustrative purposes and are not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the directions or positional relationships shown in fig. 1, are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
As shown in fig. 1-2, the present invention relates to an air inlet connection structure of a steam pump heating boiler, which comprises a primary air duct 1, a secondary air duct 2, a heater 3, a steam turbine exhaust steam outlet 4, a deaerator exhaust steam outlet 5, a condensed water collecting device 6, a boiler flue 7, a first pipeline 8, a second pipeline 9, a third pipeline 10 and a circulating pipeline 11, specifically, the steam turbine exhaust steam outlet 4 is connected with one end of the first pipeline 8, the other end of the first pipeline 8 is connected with an inlet of a heat exchange pipeline 302 of the heater 3, the deaerator exhaust steam outlet 5 is connected with one end of the second pipeline 9, the other end of the second pipeline 9 is connected with the first pipeline 8, the primary air duct 1 and the secondary air duct 2 are connected with the heater 3, the exhaust steam refers to steam discharged from the steam turbine and the deaerator and having released heat energy and being not polluted, the exhaust steam of steam turbine and the exhaust steam of oxygen-eliminating device make heat transfer pipeline 302 intensifies in leading-in heat transfer pipeline 302 by first pipeline 8, thereby primary air duct 1 and secondary air duct 2 make primary air, secondary air pass heater 3 and heat transfer pipeline 302 respectively and carry out the heat transfer and accomplish and heat up, make full use of originally need outer exhaust steam resource make it heat the intensification as the heating source, energy-concerving and environment-protective, avoid leading-in flue gas to lead to the interior deposition of heat transfer pipeline 302, and the maintenance of being convenient for has improved economic efficiency.
An outlet of a heat exchange pipeline 302 of the heater 3 is connected with one end of the third pipeline 10, the other end of the third pipeline 10 is connected with a water inlet of the condensed water collecting device 6, when steam passes through the heat exchange pipeline 302, the steam is condensed into water due to heat exchange with primary air and secondary air, so that the condensed water is collected and guided to the condensed water collecting device 6 through the third pipeline 10, one end of the circulating pipeline 11 is connected with a water outlet of the condensed water collecting device 6, the other end of the circulating pipeline 11 is connected with the first pipeline 8, the circulating pipeline 11 passes through the boiler flue 7, furthermore, a circulating pump 12 is installed in the circulating pipeline 11, the condensed water flows in the circulating pipeline 11 through the circulating pump 12, and because the circulating pipeline 11 passes through the boiler flue 7, the waste heat of flue gas discharged by the boiler heats the water in the circulating pipeline 11 to form high-temperature steam, thereby high-temperature water vapor is finally reintroduced into first pipeline 8 by the other end of circulating line 11 and is used for heating primary air and overgrate air, and cyclic utilization steam heats, and make full use of waste resources further improves economic efficiency.
It is further preferable in this embodiment that the heater 3 includes fixing plates 301 disposed opposite to each other, the heat exchange pipe 302 is fixedly installed between the two fixing plates 301, two end ports of the heat exchange pipe 302 respectively penetrate through the two fixing plates 301 so that the steam can flow in the vertical direction, and the primary air and the secondary air can transversely pass through the preheater to complete heat conduction. Preferably, heat transfer pipeline 302 is three-dimensional pipe, has the outer fin, the effectual heat transfer area that has increased, under same promotion temperature condition, makes the heater 3 whole area significantly reduce, the installation of being convenient for does not increase tuber pipe resistance, and heat exchange efficiency promotes by a wide margin, and a plurality of heat transfer pipelines 302 determinant are arranged into the rectangular array structure, forms low windage heat exchange wind channel between the heat transfer pipeline 302, and primary air and overgrate air are through passing three-dimensional pipe and accomplish heat conduction fast.
It should be noted that the technical features of the circulation pump and the like related to the present patent application should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of the technical features may be selected conventionally in the field, and should not be regarded as the utility model point of the present patent, and the present patent is not further specifically described in detail.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes in structure, shape and principle of the utility model should be covered by the protection scope of the utility model.
Claims (5)
1. The utility model provides a steam pump heating boiler air inlet connection structure which characterized in that: including primary air duct, secondary air duct, heater, steam turbine exhaust steam port, oxygen-eliminating device exhaust steam port, comdenstion water collection device, boiler flue, first pipeline, second pipeline, third pipeline, circulating line, steam turbine exhaust steam port with the one end of first pipeline is connected, the other end of first pipeline is connected with the import of the heat transfer pipeline of heater, oxygen-eliminating device exhaust steam port with the one end of second pipeline is connected, the other end of second pipeline with first pipeline is connected, primary air duct reaches secondary air duct with the heater is connected and makes primary air, overgrate air pass the heater respectively and carry out the heat transfer with heat transfer pipeline, the export of the heat transfer pipeline of heater with the one end of third pipeline is connected, the other end of third pipeline with the water inlet of comdenstion water collection device is connected, one end of the circulating pipeline is connected with a water outlet of the condensed water collecting device, the other end of the circulating pipeline is connected with the first pipeline, and the circulating pipeline penetrates through a boiler flue.
2. The air inlet connection structure of the steam pump heating boiler of claim 1, characterized in that: the heater comprises fixing plates which are oppositely arranged up and down, and the heat exchange pipeline is fixedly arranged between the two fixing plates.
3. The air inlet connection structure of the steam pump heating boiler of claim 2, characterized in that: a plurality of heat exchange pipelines are arranged in a rectangular array structure in a row-by-row mode.
4. The air inlet connection structure of the steam pump heating boiler of claim 3, characterized in that: the heat exchange pipeline is a three-dimensional pipe.
5. The air inlet connection structure of the steam pump heating boiler of claim 1, characterized in that: and a circulating pump is arranged in the circulating pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121989154.XU CN216384250U (en) | 2021-08-23 | 2021-08-23 | Air inlet connecting structure of steam pump heating boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121989154.XU CN216384250U (en) | 2021-08-23 | 2021-08-23 | Air inlet connecting structure of steam pump heating boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216384250U true CN216384250U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121989154.XU Active CN216384250U (en) | 2021-08-23 | 2021-08-23 | Air inlet connecting structure of steam pump heating boiler |
Country Status (1)
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|---|---|
| CN (1) | CN216384250U (en) |
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2021
- 2021-08-23 CN CN202121989154.XU patent/CN216384250U/en active Active
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