CN217559874U - Thermostatic air preheating equipment - Google Patents
Thermostatic air preheating equipment Download PDFInfo
- Publication number
- CN217559874U CN217559874U CN202220930257.7U CN202220930257U CN217559874U CN 217559874 U CN217559874 U CN 217559874U CN 202220930257 U CN202220930257 U CN 202220930257U CN 217559874 U CN217559874 U CN 217559874U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- preheating
- pipe
- box
- smoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003546 flue gas Substances 0.000 claims abstract description 87
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000000779 smoke Substances 0.000 claims abstract description 31
- 238000009423 ventilation Methods 0.000 claims abstract description 16
- 230000007704 transition Effects 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002253 acid Substances 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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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- Air Supply (AREA)
Abstract
A thermostatic air preheating device comprises a preheating box, wherein both sides of the preheating box are provided with communicating boxes, the big end of each communicating box is communicated with the preheating box, the top surface of the upper communicating box is provided with an exhaust pipe, the bottom surface of the lower communicating box is provided with an air inlet pipe, and a preheating vent pipe penetrates through the preheating box; a smoke heat-conducting component is arranged in the preheating box, and a smoke leading-in component and a smoke leading-out component are respectively arranged at the leading-in end and the leading-out end of the smoke heat-conducting component; a constant temperature layer is filled among the side wall of the preheating box, the flue heat conducting assembly and the preheating ventilation pipe; the utility model discloses the advantage: the moving distance of the smoke is increased through the smoke heat conducting assembly, the smoke moves in the spiral heat conducting pipe, energy is transferred to the constant temperature layer from the spiral heat conducting pipe, the constant temperature layer is kept at a certain temperature, the energy is further transferred to the preheating ventilation pipe, and air is preheated through the preheating ventilation pipe; the flue gas energy transfer effect is better, the air preheating effect is good, and the acid dew point corrosion is avoided.
Description
Technical Field
The utility model relates to a preheating equipment especially relates to an air preheating equipment of thermostatic type.
Background
The air preheater is also called air preheater for short, and is a preheating device for improving heat exchange performance of boiler and reducing heat loss.
However, in the existing air preheater, the flue gas is directly fed in and directly discharged out, the heat transfer effect is insufficient, and a large amount of energy still exists in the flue gas.
In view of the above problems, a constant temperature type air preheating device is needed to meet the use requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a thermostatic air preheating device, the energy transfer effect in the flue gas is better.
The purpose of the utility model is realized like this:
a thermostatic type air preheating device comprises a preheating box, wherein the upper side and the lower side of the preheating box are both provided with communicating boxes, each communicating box is of a hollow quadrangular frustum structure, the large end of each communicating box is communicated with the preheating box, the top surface of the communicating box at the upper part is provided with an exhaust pipe, the bottom surface of the communicating box at the lower part is provided with an air inlet pipe, and a plurality of preheating ventilation pipes are arranged between the upper side wall and the lower side wall of the preheating box in a penetrating manner; a smoke heat conduction assembly is arranged in the preheating box, and a smoke leading-in assembly and a smoke leading-out assembly are respectively arranged at the leading-in end and the leading-out end of the smoke heat conduction assembly; and a constant temperature layer is filled between the side wall of the preheating box and the flue heat conduction assembly and between the side wall of the preheating box and the preheating ventilation pipe.
Further, the outer side of the preheating ventilation pipe is coated with a heat conduction layer.
Furthermore, the upper end and the lower end of the side wall of the preheating box are respectively provided with a lead-in pipe and a lead-out pipe.
Further, the inlet pipe and the outlet pipe are provided with switch valves.
Further, the flue gas heat conduction assembly comprises a flue gas inlet pipe, a flue gas outlet pipe and a spiral heat conduction pipe, the front side edge and the rear side edge of the preheating box are respectively provided with the flue gas inlet pipe and the flue gas outlet pipe, the flue gas inlet pipe and the flue gas outlet pipe are arranged between the spiral heat conduction pipes, and the flue gas inlet pipe, the spiral heat conduction pipe and the flue gas outlet pipe are sequentially communicated.
Further, the flue gas leading-in assembly and the flue gas leading-out assembly are identical in structure.
Further, the flue gas leading-in subassembly includes flue gas communicating pipe, flue gas transition pipe, the preheating cabinet front side sets up flue gas communicating pipe, the inside setting of flue gas communicating pipe the flue gas transition pipe, the flue gas transition pipe is the cavity frustum form, the tip of flue gas transition pipe with the leading-in end intercommunication of flue gas heat-conducting component.
The utility model discloses an advantage:
through flue gas heat conduction subassembly, greatly increased the migration distance of flue gas in equipment, the flue gas removes in the spiral heat pipe, and the energy transmits to the constant temperature layer from the spiral heat pipe, makes the constant temperature layer keep at the uniform temperature, and then gives the energy transfer and preheats the permeability cell, preheats the air through preheating the permeability cell. The flue gas energy transfer effect is better, the air preheating effect is good, and the acid dew point corrosion is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a thermostatic air preheating device.
Fig. 2 is a schematic sectional structure diagram of a thermostatic air preheating device.
Fig. 3 is a schematic structural diagram of a constant-temperature air preheating device.
Fig. 4 is an enlarged view of a part of the structure a.
In the figure: 1. the device comprises a preheating box, 11 preheating vent pipes, 12 heat conducting layers, 13 constant temperature layers, 14 introduction pipes, 15 discharge pipes, 16 switch valves, 2 communication boxes, 21 exhaust pipes, 22 air inlet pipes, 3 smoke heat conducting assemblies, 31 smoke introduction pipes, 32 smoke discharge pipes, 33 spiral heat conducting pipes, 4 smoke introduction assemblies, 41 smoke communicating pipes, 42 smoke transition pipes and 5 smoke discharge assemblies.
Detailed Description
In order to make the technical solutions in the embodiments of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a thermostatic air preheating device.
Example 1, as shown in FIGS. 1-4.
The utility model provides an air preheating equipment of thermostatic type, includes preheating cabinet 1, both sides all are provided with intercommunication case 2 about preheating cabinet 1, intercommunication case 2 is hollow quadrangular frustum pyramid structure, intercommunication case 2 the main aspects with preheating cabinet 1 intercommunication, upper portion 2 top surfaces of intercommunication case are provided with blast pipe 21, the lower part 2 bottom surfaces of intercommunication case are provided with intake pipe 22, what run through between the wall of preheating cabinet 1 upper and lower both sides is provided with a plurality of permeability cell 11 that preheat. Air enters the lower communication box 2 from the air inlet pipe 22, passes through the preheating box 1 through the preheating ventilation pipe 11, enters the upper communication box 2, and is finally discharged through the air outlet pipe 21. The air is heated by the transferred energy while passing through the preheating ventilation tube 11. The outside cladding of preheating permeability cell 11 has heat-conducting layer 12 for energy transfer effect is better, preheats the energy that permeability cell 11 can be better, again with energy transfer for the air.
The preheating box 1 is internally provided with a smoke heat conducting component 3, so that the moving distance of smoke in the preheating box 1 is increased, and more energy is transferred.
The flue gas heat conducting assembly 3 comprises a flue gas inlet pipe 31, a flue gas outlet pipe 32 and a spiral heat conducting pipe 33. The preheating chamber 1 front and back both sides limit sets up respectively flue gas inlet tube 31 flue gas eduction tube 32, flue gas inlet tube 31 with set up between the flue gas eduction tube 32 spiral heat pipe 33, flue gas inlet tube 31 spiral heat pipe 33 flue gas eduction tube 32 communicates in proper order. The moving distance of the flue gas in the preheating chamber 1 is greatly increased by the spiral heat conduction pipe 33, so that energy is transferred.
And a constant temperature layer 13 is filled between the side wall of the preheating box 1 and the flue heat conduction assembly and between the preheating ventilation pipe 11. The constant temperature layer 13 is preferably made of a material with high thermal conductivity, so that the energy of the flue gas can be more quickly transmitted from the spiral heat conduction pipe 33 to the preheating ventilation pipe 11 to heat the air.
The upper end and the lower end of the side wall of the preheating box 1 are respectively provided with an inlet pipe 14 and an outlet pipe 15. The inlet pipe 14 and the outlet pipe 15 are provided with an on-off valve 16. The substances required for the constant temperature layer 13 are introduced and discharged through the introduction pipe 14 and the discharge pipe 15.
And the leading-in end and the leading-out end of the smoke heat conduction assembly 3 are respectively provided with a smoke leading-in assembly 4 and a smoke leading-out assembly 5. And introducing the flue gas into the flue gas heat conduction assembly 3.
The structure of the smoke leading-in component 4 is the same as that of the smoke leading-out component 5.
The flue gas leading-in component 4 comprises a flue gas communicating pipe 41 and a flue gas transition pipe 42, the front side of the preheating box 1 is provided with the flue gas communicating pipe 41, the flue gas communicating pipe 41 is internally provided with the flue gas transition pipe 42, the flue gas transition pipe 42 is in a hollow frustum shape, and the small end of the flue gas transition pipe 42 is communicated with the leading-in end of the flue gas heat conducting component 3. The flue gas enters the flue gas inlet pipe 31 through the flue gas transition pipe 42. During the discharge, the flue gas is discharged from the flue gas discharge pipe 32 through the flue gas transition pipe 42.
The utility model discloses when using:
air enters the lower communication box 2 from the air inlet pipe 22, passes through the preheating box 1 through the preheating ventilation pipe 11, enters the upper communication box 2, and is finally discharged through the air outlet pipe 21.
The flue gas transition pipes 42 on the two sides are respectively communicated with the inlet end and the outlet end of the flue gas.
When the flue gas is introduced, the flue gas enters the flue gas introduction pipe 31 through the flue gas transition pipe 42. And then sequentially passes through the flue gas introduction pipe 31, the spiral heat transfer pipe 33 and the flue gas delivery pipe 32. Finally, the flue gases are discharged from the flue gas outlet duct 32 through the flue gas transition duct 42.
When the energy of the flue gas passes through the spiral heat conduction pipe 33, the energy is transmitted to the constant temperature layer 13 through the spiral heat conduction pipe 33, the constant temperature layer 13 transmits the energy to the preheating ventilation pipe 11, and finally the air is heated through the preheating ventilation pipe 11.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims. It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (7)
1. The utility model provides an air preheating equipment of thermostatic type, includes preheating cabinet, its characterized in that: the upper side and the lower side of the preheating box are both provided with communicating boxes, each communicating box is of a hollow quadrangular frustum structure, the large end of each communicating box is communicated with the preheating box, the top surface of the communicating box at the upper part is provided with an exhaust pipe, the bottom surface of the communicating box at the lower part is provided with an air inlet pipe, and a plurality of preheating ventilation pipes are arranged between the upper side wall and the lower side wall of the preheating box in a penetrating manner;
a smoke heat conduction assembly is arranged in the preheating box, and a smoke leading-in assembly and a smoke leading-out assembly are respectively arranged at the leading-in end and the leading-out end of the smoke heat conduction assembly;
and a constant temperature layer is filled between the side wall of the preheating box and the flue gas heat conduction assembly and between the side wall of the preheating box and the preheating ventilation pipe.
2. A thermostatic air preheater apparatus as set forth in claim 1 wherein: the outer side of the preheating ventilation pipe is coated with a heat conduction layer.
3. A thermostatic air preheater apparatus as set forth in claim 1 wherein: and the upper end and the lower end of the side wall of the preheating box are respectively provided with an inlet pipe and an outlet pipe.
4. A thermostatic air preheater apparatus as set forth in claim 3 wherein: and switch valves are arranged on the inlet pipe and the outlet pipe.
5. A thermostatic air preheater apparatus as set forth in claim 1, wherein: the flue gas heat conduction assembly comprises a flue gas inlet pipe, a flue gas outlet pipe and a spiral heat conduction pipe, wherein the front side and the rear side of the preheating box are respectively provided with the flue gas inlet pipe and the flue gas outlet pipe, the flue gas inlet pipe is arranged between the flue gas inlet pipe and the flue gas outlet pipe, and the flue gas inlet pipe is communicated with the spiral heat conduction pipe in sequence.
6. A thermostatic air preheating device according to any one of claims 1 to 5, characterized in that: the structure of the smoke leading-in component is the same as that of the smoke leading-out component.
7. A thermostatic air preheater apparatus as set forth in claim 6, wherein: the leading-in subassembly of flue gas includes flue gas communicating pipe, flue gas transition pipe, the preheating cabinet front side sets up flue gas communicating pipe, the inside setting of flue gas communicating pipe the flue gas transition pipe, the flue gas transition pipe is cavity frustum form, the tip of flue gas transition pipe with the leading-in end intercommunication of flue gas heat-conducting component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220930257.7U CN217559874U (en) | 2022-04-21 | 2022-04-21 | Thermostatic air preheating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220930257.7U CN217559874U (en) | 2022-04-21 | 2022-04-21 | Thermostatic air preheating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217559874U true CN217559874U (en) | 2022-10-11 |
Family
ID=83471704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220930257.7U Expired - Fee Related CN217559874U (en) | 2022-04-21 | 2022-04-21 | Thermostatic air preheating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217559874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116951440A (en) * | 2023-07-31 | 2023-10-27 | 包钢集团设计研究院（有限公司） | Boiler waste heat utilization device with heat conversion function |
-
2022
- 2022-04-21 CN CN202220930257.7U patent/CN217559874U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116951440A (en) * | 2023-07-31 | 2023-10-27 | 包钢集团设计研究院（有限公司） | Boiler waste heat utilization device with heat conversion function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221011 |