CN212691831U - Heat pipe type air preheater - Google Patents
Heat pipe type air preheater Download PDFInfo
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- CN212691831U CN212691831U CN202021276040.6U CN202021276040U CN212691831U CN 212691831 U CN212691831 U CN 212691831U CN 202021276040 U CN202021276040 U CN 202021276040U CN 212691831 U CN212691831 U CN 212691831U
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- flue gas
- temperature flue
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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 a heat pipe type air preheater, which comprises a high-temperature flue gas bin and a low-temperature flue gas bin, wherein the low-temperature flue gas bin is arranged at the top of the high-temperature flue gas bin, one side of the high-temperature flue gas bin is provided with a high-temperature flue gas inlet, the other side of the high-temperature flue gas bin is provided with a high-temperature flue gas outlet, the other side of the low-temperature flue gas bin is provided with a low-temperature flue gas inlet, and one side of the low-temperature flue gas bin is; a steam inlet is arranged on one side of the bottom of the high-temperature flue gas inlet, and a drain port is arranged on the other side of the bottom of the high-temperature flue gas inlet; the inner bottom of the high-temperature flue gas bin is provided with a steam outlet bin, the steam outlet bin comprises a steam outlet bin body, the top of the steam outlet bin body is provided with a plurality of steam outlet nozzles, and a steam inlet is communicated with the steam outlet bin. The utility model can conveniently carry out steam heating treatment on the high-temperature flue gas bin; the high-temperature flue gas bin after the heating treatment can also indirectly heat the low-temperature flue gas bin.
Description
Technical Field
The utility model relates to a pre-heater, in particular to heat pipe formula air heater.
Background
The air preheater is a heating surface for preheating air before entering the boiler to a certain temperature by smoke in a flue at the tail part of the boiler through internal radiating fins, and is equipment for improving the heat exchange performance of the boiler and reducing energy consumption. Air preheaters are generally classified into plate type, rotary type and tubular type. The existing air preheater does not preheat the flue gas through steam, and has low operation efficiency of preheating the flue gas at high temperature and low temperature respectively.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problems in the prior art, thereby providing a steam heating treatment device which is convenient for the high-temperature flue gas bin; the high-temperature flue gas bin after heating treatment can also be used for indirectly heating the low-temperature flue gas bin.
The above technical problem of the present invention can be solved by the following technical solutions:
a heat pipe type air preheater comprises a high-temperature flue gas bin and a low-temperature flue gas bin, wherein the low-temperature flue gas bin is mounted at the top of the high-temperature flue gas bin, one side of the high-temperature flue gas bin is provided with a high-temperature flue gas inlet, the other side of the high-temperature flue gas bin is provided with a high-temperature flue gas outlet, the other side of the low-temperature flue gas bin is provided with a low-temperature flue gas inlet, and one side of the low-temperature flue gas bin is provided; a steam inlet is arranged on one side of the bottom of the high-temperature flue gas inlet, and a drain port is arranged on the other side of the bottom of the high-temperature flue gas inlet; the inner bottom of the high-temperature flue gas bin is provided with a steam outlet bin, the steam outlet bin comprises a steam outlet bin body, the top of the steam outlet bin body is provided with a plurality of steam outlet nozzles, and a steam inlet is communicated with the steam outlet bin.
Further, steam goes out the vapour lock and includes steam play vapour lock main part, and the upper end outer peripheral face that steam goes out the vapour lock main part is equipped with spacing dish, and the front of spacing dish is equipped with sealed dish, is out the steam cavity between sealed dish and the spacing dish, and the intermediate position of sealed dish is equipped with reset spring, and the inner peripheral surface that steam goes out the vapour lock main part is equipped with the fixed block, and reset spring's outer end is connected with the intermediate position of sealed dish, and reset spring installs the axial position at steam play vapour lock main part, and reset spring's the inner is connected with the fixed block.
Further, the front of high temperature flue gas air inlet is equipped with first steam and sweeps the mouth, and the front of low temperature flue gas air inlet is equipped with second steam and sweeps the mouth, and second steam sweeps the mouth and all is equipped with the mount with the inside wall that first steam sweeps the mouth, and the mount is equipped with the blowing pump to the face inwards, and the outer peripheral face of blowing pump is equipped with out the fan housing, goes out the fan housing and includes the air-out cover body, and the inner of the air-out cover body is equipped with the air outlet, and the outer end of the air-.
Further, the bottom of high temperature flue gas air inlet is equipped with first drain port, and the inside of first drain port is equipped with the ash falling mouth, and the ash falling mouth retrieves the box including the ash that falls, and the interior top that the box was retrieved to the ash that falls is equipped with the location chamber, and the filter screen is installed to the location intracavity, and the interior bottom that the box was retrieved to the ash that falls is equipped with retrieves the box, and the bottom surface of retrieving the box is network structure, and the lateral part that the box was retrieved to the ash that falls is equipped with sealing door, and sealing door lid closes the front at retrieving the.
Furthermore, a drain hole is formed in the bottom of the high-temperature flue gas inlet, a drainage pipeline is installed inside the drain hole, an inclined drainage plate is arranged at the inner bottom of the drainage pipeline, a drainage filter screen is arranged at the outer end of the drainage plate, and the drainage filter screen is of a net structure; the drainage filter screen is in the shape of an arc.
By adopting the heat pipe type air preheater in the technical scheme, the high-temperature flue gas bin is convenient for the entry of flue gas through the high-temperature flue gas inlet and is convenient for the output of the high-temperature flue gas through the high-temperature flue gas outlet; the low-temperature flue gas bin is convenient for flue gas to enter through a low-temperature flue gas inlet and is convenient for low-temperature flue gas to output through a low-temperature flue gas outlet; the steam inlet is provided with a steam pump, and steam can conveniently enter the high-temperature flue gas bin through the steam inlet through the steam pump, so that steam heating treatment can be conveniently carried out on the high-temperature flue gas bin; the high-temperature flue gas bin after heating treatment can also indirectly heat the low-temperature flue gas bin, so that the interior of the low-temperature flue gas bin is heated at low temperature; the flue gas in the high-temperature flue gas bin is conveniently subjected to high-temperature preheating treatment, and the flue gas in the low-temperature flue gas bin is conveniently subjected to indirect preheating treatment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the structural schematic diagram of the heat pipe type air preheater of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a schematic structural view of the air blowing pump of the present invention.
Fig. 5 is the structure schematic diagram of the air-out cover of the present invention.
Fig. 6 is a schematic structural view of the ash recovery box of the present invention.
Fig. 7 is a schematic structural view of the steam outlet cabin of the present invention.
Fig. 8 is a schematic structural view of the steam outlet of the present invention.
Fig. 9 is a schematic structural view of the drainage pipeline of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
As shown in fig. 1 to 9, a heat pipe type air preheater includes a high temperature flue gas bin 12 and a low temperature flue gas bin 13, the low temperature flue gas bin 13 is installed on the top of the high temperature flue gas bin 12, one side of the high temperature flue gas bin 12 is provided with a high temperature flue gas inlet 1, the other side of the high temperature flue gas bin 12 is provided with a high temperature flue gas outlet 2, the other side of the low temperature flue gas bin 13 is provided with a low temperature flue gas inlet 3, and one side of the low temperature flue gas bin 13 is provided with a low temperature flue gas outlet 4; a steam inlet 9 is arranged on one side of the bottom of the high-temperature flue gas inlet 1, and a drain port 10 is arranged on the other side of the bottom of the high-temperature flue gas inlet 1; the inner bottom of the high-temperature flue gas bin 12 is provided with a steam outlet bin 14, the steam outlet bin 14 comprises a steam outlet bin body 26, the top of the steam outlet bin body 26 is provided with a plurality of steam outlet nozzles 27, and a steam inlet 9 is communicated with the steam outlet bin 14.
The heat pipe type air preheater of the utility model has the advantages that the high-temperature flue gas bin 12 is convenient for the entering of the flue gas through the high-temperature flue gas inlet 1 and the outputting of the high-temperature flue gas through the high-temperature flue gas outlet 2; the low-temperature flue gas bin 13 is convenient for the entry of flue gas through the low-temperature flue gas inlet 3 and is convenient for the output of low-temperature flue gas through the low-temperature flue gas outlet 4; the steam inlet 9 is provided with a steam pump, and steam can conveniently enter the high-temperature flue gas bin 12 through the steam inlet 9 through the steam pump, so that steam heating treatment can be conveniently carried out on the high-temperature flue gas bin 12; the high-temperature flue gas bin 12 after the heating treatment can also indirectly heat the low-temperature flue gas bin 13, so that the interior of the low-temperature flue gas bin 13 is heated at a low temperature; the flue gas in the high-temperature flue gas bin 12 is conveniently subjected to high-temperature preheating treatment, and the flue gas in the low-temperature flue gas bin 13 is conveniently subjected to indirect preheating treatment.
Preferably, the steam outlet nozzle 27 comprises a steam outlet nozzle main body 28, a limiting disc 29 is arranged on the outer peripheral surface of the upper end of the steam outlet nozzle main body 28, a sealing disc 30 is arranged on the front surface of the limiting disc 29, a steam outlet cavity 31 is arranged between the sealing disc 30 and the limiting disc 29, a return spring 32 is arranged in the middle of the sealing disc 30, a fixing block 33 is arranged on the inner peripheral surface of the steam outlet nozzle main body 28, the outer end of the return spring 32 is connected with the middle of the sealing disc 30, the return spring 32 is arranged at the axial position of the steam outlet nozzle main body 28, and the inner end of the return spring 32 is connected with the fixing block; the steam inlet 9 is provided with a steam pump, steam can conveniently enter the steam outlet nozzle main body 28 through the steam pump, the steam in the steam outlet nozzle main body 28 is output from a steam outlet cavity 31 between the sealing disc 30 and the limiting disc 29 and enters the high-temperature flue gas bin 12, specifically, the steam gives outward impact force to the sealing disc 30, the sealing disc 30 is separated from the limiting disc 29, and the steam is output from the steam outlet cavity 31 between the sealing disc 30 and the limiting disc 29 and enters the high-temperature flue gas bin 12; however, when the steam pump stops operating, the outward impact force of the steam on the sealing disk 30 is eliminated, the sealing disk 30 is closed with the stopper disk 29 by the return spring 32, and the inside of the steam outlet main body 28 is protected by the sealing disk 30, thereby preventing dust from entering the steam outlet main body 28.
Preferably, the front surface of the high-temperature flue gas inlet 1 is provided with a first steam purging port 51, the front surface of the low-temperature flue gas inlet 3 is provided with a second steam purging port 52, the inner side walls of the second steam purging port 52 and the first steam purging port 51 are both provided with a fixing frame 15, the inward facing surface of the fixing frame 15 is provided with an air blowing pump 16, the outer peripheral surface of the air blowing pump 16 is provided with an air outlet cover 17, the air outlet cover 17 comprises an air outlet cover body 18, the inner end of the air outlet cover body 18 is provided with an air outlet 20, and the outer end of the air outlet cover; the air blowing pump 16 is started, the air blowing pump 16 outputs air through the air outlet cover 17, the air blowing pump 16 blows air outwards from the opening 19 through the air outlet cover body 18, air blowing treatment is carried out on smoke in the high-temperature smoke air inlet 1 and the low-temperature smoke air inlet 3, and blowing treatment can also be carried out on steam generated due to heat energy in the high-temperature smoke air inlet 1 and the low-temperature smoke air inlet 3.
Preferably, a first sewage discharge port 6 is arranged at the bottom of the high-temperature flue gas inlet 1, an ash falling port 7 is arranged inside the first sewage discharge port 6, the ash falling port 7 comprises an ash falling recovery box 21, a positioning cavity 22 is arranged at the inner top of the ash falling recovery box 21, a filter screen 23 is installed in the positioning cavity 22, a recovery box 24 is arranged at the inner bottom of the ash falling recovery box 21, the bottom surface of the recovery box 24 is of a net structure, a sealing door 25 is arranged at the side part of the ash falling recovery box 21, and the sealing door 25 covers the front surface of the recovery box 24; carry out filtration treatment through the waste liquid of filter screen 23 in to first drain 6, retrieve the convenient waste recovery of box 21 through the ash that falls, and retrieve the bottom surface of box 21 through the ash that falls and carry out filtration treatment to the waste liquid.
Preferably, the bottom of the high-temperature flue gas inlet 1 is provided with a water drainage port 10, a water drainage pipe 34 is installed inside the water drainage port 10, the inner bottom of the water drainage pipe 34 is provided with an inclined drainage plate 35, the outer end of the drainage plate 35 is provided with a drainage filter screen 36, and the drainage filter screen 36 is of a net structure; the drainage filter screen 36 is in the shape of an arc; make things convenient for the ponding of condensation in the high temperature flue gas air inlet 1 to outwards discharge through hydrophobic mouthful 10, outwards discharge ponding through drain bar 35, carry out filtration treatment to outside exhaust ponding through drainage filter screen 36.
Preferably, the front surface of the high-temperature flue gas bin 12 is provided with an access opening 8; the bottom of the low-temperature flue gas bin 13 is provided with a second sewage outlet 11; make things convenient for the operator to detect the inside in high temperature flue gas storehouse 12 through access hole 8, make things convenient for the inside in low temperature flue gas storehouse 13 to blowdown through second drain 11.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (5)
1. A heat pipe type air preheater comprises a high-temperature flue gas bin and a low-temperature flue gas bin, wherein the low-temperature flue gas bin is mounted at the top of the high-temperature flue gas bin, one side of the high-temperature flue gas bin is provided with a high-temperature flue gas inlet, the other side of the high-temperature flue gas bin is provided with a high-temperature flue gas outlet, the other side of the low-temperature flue gas bin is provided with a low-temperature flue gas inlet, and one side of the low-temperature flue gas bin is provided;
the method is characterized in that: a steam inlet is arranged on one side of the bottom of the high-temperature flue gas inlet, and a drain port is arranged on the other side of the bottom of the high-temperature flue gas inlet; the inner bottom of the high-temperature flue gas bin is provided with a steam outlet bin, the steam outlet bin comprises a steam outlet bin body, the top of the steam outlet bin body is provided with a plurality of steam outlet nozzles, and a steam inlet is communicated with the steam outlet bin.
2. A heat pipe air preheater according to claim 1, wherein: the steam goes out the vapour mouth and includes steam play vapour mouth main part, the upper end outer peripheral face that steam goes out the vapour mouth main part is equipped with spacing dish, the front of spacing dish is equipped with sealed dish, be out the steam cavity between sealed dish and the spacing dish, the intermediate position of sealed dish is equipped with reset spring, the inner peripheral surface that steam goes out the vapour mouth main part is equipped with the fixed block, reset spring's outer end is connected with the intermediate position of sealed dish, reset spring installs the axial position at steam play vapour mouth main part, reset spring's the inner is connected with the fixed block.
3. A heat pipe air preheater according to claim 1, wherein: the front of high temperature flue gas air inlet is equipped with first steam and sweeps the mouth, and the front of low temperature flue gas air inlet is equipped with second steam and sweeps the mouth, and second steam sweeps the mouth and all is equipped with the mount with the inside wall that first steam sweeps the mouth, and the mount is equipped with the blowing pump to the face inwards, and the outer peripheral face of blowing pump is equipped with out the fan housing, goes out the fan housing and includes the air-out cover body, and the inner of the air-out cover body is equipped with the air outlet, and the outer end of.
4. A heat pipe air preheater according to claim 1, wherein: the bottom of high temperature flue gas air inlet is equipped with first drain port, and the inside of first drain port is equipped with the ash falling mouth, and the ash falling mouth retrieves the box including the ash that falls, and the interior top that the box was retrieved to the ash that falls is equipped with the location chamber, and the filter screen is installed to the location intracavity, and the interior bottom that the box was retrieved to the ash that falls is equipped with retrieves the box, and the bottom surface of retrieving the box is network structure, and the lateral part that the box was retrieved to the ash that falls is equipped with sealing door, and sealing door lid closes the front.
5. A heat pipe air preheater according to claim 1, wherein: the bottom of the high-temperature flue gas inlet is provided with a drain opening, a drainage pipeline is arranged in the drain opening, the inner bottom of the drainage pipeline is provided with an inclined drainage plate, the outer end of the drainage plate is provided with a drainage filter screen, and the drainage filter screen is of a net structure; the drainage filter screen is in the shape of an arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021276040.6U CN212691831U (en) | 2020-07-03 | 2020-07-03 | Heat pipe type air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021276040.6U CN212691831U (en) | 2020-07-03 | 2020-07-03 | Heat pipe type air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212691831U true CN212691831U (en) | 2021-03-12 |
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ID=74895361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021276040.6U Active CN212691831U (en) | 2020-07-03 | 2020-07-03 | Heat pipe type air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212691831U (en) |
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2020
- 2020-07-03 CN CN202021276040.6U patent/CN212691831U/en active Active
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