CN208187203U - A kind of heat-exchanger rig with honeycomb - Google Patents
A kind of heat-exchanger rig with honeycomb Download PDFInfo
- Publication number
- CN208187203U CN208187203U CN201820314134.4U CN201820314134U CN208187203U CN 208187203 U CN208187203 U CN 208187203U CN 201820314134 U CN201820314134 U CN 201820314134U CN 208187203 U CN208187203 U CN 208187203U
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- heat
- honeycomb
- exchanger rig
- cold
- hot
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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
Abstract
The utility model discloses a kind of heat-exchanger rigs with honeycomb, vertical honeycomb pipe is disposed in heat-exchanger rig, concave hole is distributed on the vertical honeycomb pipe, hot fume enters tube side from the heat-exchanger rig top of honeycomb, cold air enters the heat-exchanger rig shell side forced turbulent heat exchange of honeycomb, completes heat transfer process after cold air heating.The vertical flow path of hot fume effectively prevents heating surface flying dust deposition and corrosion, and honeycomb duct structure considerably increases heating surface area and reduces heat transfer resistance, effectively increases heat exchange efficiency.The utility model has the advantages that at low cost, applied widely, can meet the heat transfer requirements of different cold fluid and hot fluids.
Description
Technical field
The utility model belongs to technical field of heat exchange, in particular to a kind of heat-exchanger rig with honeycomb.
Background technique
Coal quality ash content used in coal-burning boiler is high, calorific value is low so that boiler heat exchange face is also easy to produce dust stratification, abrasion, blocking, corruption
A series of problems, such as erosion.Since the grieshoch thermal insulation of heat-exchanger rig outer wall deposition is very strong, heating surface heat-transfer capability can be made substantially to drop
It is low.In addition, dust stratification can make back-end ductwork heating surface that blocking, heat transfer deterioration occur, increase exhaust gas temperature, reduces boiler operatiopn economy
Property.The heating surface of blocking can reduce the circulation area of flue gas, and cigarette speed is made to improve the abrasion for increasing heating surface.Blocking also results in
Heat-exchanger rig fluid resistance becomes larger, and increases fan energy consumption, and station service power consumption rate is caused to increase.The corrosion of heat-exchanger rig will cause cold and hot
The leakage of side medium, influences the economical and reliability of system operation, causes boiler exhaust heat loss to increase, under the efficiency of boiler
Drop increases the discharge of the pernicious gases such as pollutant GHG carbon dioxide, sulfur dioxide, nitrogen oxides.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the purpose of this utility model is to provide a kind of with honeycomb
Heat-exchanger rig can greatly improve heat exchange efficiency, save blower power consumption, effectively prevent heat-exchanger rig dust stratification, solve the stifled of heat-transfer surface
Plug, abrasion and etching problem.It can effectively reduce boiler exhaust heat loss simultaneously, reduce station service power consumption rate, improve coal resources and utilize
Rate and conversion ratio.
To achieve the goals above, the technical solution adopted in the utility model is:
A kind of heat-exchanger rig with honeycomb, including hot fume entrance 1, cold flue gas export 2,3 and of cold fluid inlet
Hot fluid outlet ports 4, which is characterized in that the inside of heat-exchanger rig be vertical honeycomb pipe 6, hot fume entrance 1, cold flue gas outlet 2 with
Vertical honeycomb pipe 6 is connected to, and cold fluid inlet 3, hot fluid outlet ports 4 are connected to the pipe external space of vertical honeycomb pipe 6.
The vertical honeycomb pipe 6 have inside heat-exchanger rig it is multiple, it is parallel with one another to be arranged in parallel.
The heat-exchanger rig is hexahedron structure, and hot fume entrance 1 is in top surface, and in bottom surface, cold fluid enters for cold flue gas outlet 2
Mouth 3 has the work of sealing cold fluid and hot fluid in rear end face, left and right side in front end face, hot fluid outlet ports 4 with the sealing of shell 5, shell 5
With.
The hot fume entrance 1, cold flue gas export 2 sealing device that is surrounded by, and guarantee that flue gas is smooth and enter heat exchange dress
It sets, while avoiding the leakage of flue gas.
The cold fluid inlet 3, hot fluid outlet ports 4 are surrounded by sealing device, avoid the leakage of flue gas and hot and cold
The leakage of fluid.
The medium that the hot fume entrance 1 enters is high temperature fluid, such as hot water, steam water interface, steam or flue gas；Institute
The medium for stating the entrance of cold fluid inlet 3 is cryogen to be heated, such as water or air.That is, the flowing in vertical honeycomb pipe 6
Working medium is high temperature fluid, and the flow working medium outside vertical honeycomb pipe 6 is cryogen to be heated.
The cold flue gas outlet 2 is equipped with the blow device that can inversely purge vertical honeycomb pipe 6, and keep from heat face covering flying dust
Equal impurity, influence heat exchange efficiency.
6 wall thickness of vertical honeycomb pipe is 2~5mm, and cellular concave hole 9,9 shape of concave hole is distributed on outer tube wall 7
Shape is polygon or round.
The heat-exchange system containing the heat-exchanger rig with honeycomb is also claimed in the utility model.
Compared with prior art, the utility model has the beneficial effects that
1. the utility model has the heat-exchanger rig vertical of honeycomb, avoids existing heat-exchanger rig dust stratification, blocks up
The shortcomings such as plug, corrosion.
2. the utility model improves heat exchange area with the heat-exchanger rig of honeycomb, thermal resistance, heat exchange effect are reduced
Rate can be improved 20% or more.
3. the utility model can effectively reduce fluid resistance with the heat-exchanger rig of honeycomb, fan energy consumption substantially drops
It is low.
4. heat-exchanger rig of the utility model with honeycomb, which is used as air preheater, can reduce boiler exhaust heat loss, improve
Boiler efficiency and energy utilization rate.
5. the utility model with honeycomb heat-exchanger rig structure it is simple, it is reliable for operation, have wide application prospect.
Detailed description of the invention
Fig. 1 is the utility model heat-exchanger rig structural schematic diagram.
Fig. 2 is the structure chart of the utility model vertical honeycomb pipe.
Specific embodiment
The embodiments of the present invention is described in detail with reference to the accompanying drawings and examples.
With reference to Fig. 1, a kind of heat-exchanger rig with honeycomb of the utility model uses hexahedron structure (to be long in figure
Cube), hot fume entrance 1 is in top surface, and cold flue gas outlet 2 is in bottom surface, and cold fluid inlet 3 is in front end face, and hot fluid outlet ports 4 are rear
End face, with the sealing of shell 5, shell 5 has the function of sealing cold fluid and hot fluid for left and right side.The inside of heat-exchanger rig is multiple mutual
The vertical honeycomb pipe 6 of in-parallel setting, hot fume entrance 1, cold flue gas outlet 2 are connected to vertical honeycomb pipe 6, cold fluid inlet
3, hot fluid outlet ports 4 are connected to the pipe external space (in heat-exchanger rig) of vertical honeycomb pipe 6.That is, the flowing work in vertical honeycomb pipe 6
Matter is high temperature fluid, and the flow working medium outside vertical honeycomb pipe 6 is cryogen to be heated.
Hot fume entrance 1, cold flue gas export 2 sealing device that is surrounded by, and guarantee that flue gas is smooth and enter heat-exchanger rig, together
When avoid the leakage of flue gas.Cold fluid inlet 3, hot fluid outlet ports 4 are surrounded by sealing device, avoid flue gas leakage and
The leakage of cold and hot fluid.
Cold flue gas outlet 2 is equipped with the blow device that can inversely purge vertical honeycomb pipe 6, and the face covering flying dust etc. that keeps from heat is miscellaneous
Matter influences heat exchange efficiency.Steam can be used in blow device or compressed air is the soot blower of gas source.
Structural reference Fig. 2 of vertical honeycomb pipe 6 is tubular structure, and wall thickness is 2~5mm, and inner tubal wall 8 is smooth, outer tube
Cellular concave hole 9 is distributed on wall 7,9 shape of concave hole is polygon or round, it is therefore apparent that concave hole 9 is not penetrating
Hole.
It is several specific examples using different working medium below.
Embodiment one:
As shown in Figure 1, boiler hot flue gas is entered by hot fume entrance 1 in the vertical honeycomb pipe 6 of heat-exchanger rig, hot cigarette
Gas is discharged after completing heat exchange from cold flue gas outlet 2, and cold air enters heat-exchanger rig, 6 surface of vertical honeycomb pipe from cold fluid inlet 3
Honeycomb reinforces turbulence intensity and reduces thermal resistance, and cold air completes the raising of high efficient heat exchanging temperature, hot-air in heat-exchanger rig
It is discharged from hot fluid outlet ports 4, completes the heat transfer process of hot fume cooling and cold air heating.
Embodiment two:
As shown in Figure 1, boiler hot flue gas is entered by hot fume entrance 1 in the vertical honeycomb pipe 6 of heat-exchanger rig, hot cigarette
Gas is discharged after completing heat exchange from cold flue gas outlet 2, and water at low temperature enters heat-exchanger rig, 6 surface of vertical honeycomb pipe from cold fluid inlet 3
Honeycomb reinforces turbulence intensity and reduces thermal resistance, and water at low temperature completes the raising of high efficient heat exchanging temperature, high-temperature water in heat-exchanger rig
It is discharged from hot fluid outlet ports 4, completes the heat transfer process of hot fume cooling and water at low temperature heating.
Embodiment three:
As shown in Figure 1, enterprise's steam discharge is entered by hot fume entrance 1 in the vertical honeycomb pipe 6 of heat-exchanger rig, steam discharge is completed
From 2 discharge of cold flue gas outlet after heat exchange, water at low temperature enters heat-exchanger rig, 6 surface honeycomb knot of vertical honeycomb pipe from cold fluid inlet 3
Structure reinforces turbulence intensity and reduces thermal resistance, and water at low temperature completes the raising of high efficient heat exchanging temperature in the heat-exchanger rig of honeycomb, high
Warm water is discharged from hot fluid outlet ports 4, completes the heat transfer process of water at low temperature heating, and high-temperature water can be used for industry or resident's heat supply.
To sum up, it is disposed with vertical honeycomb pipe in the utility model heat-exchanger rig, concave hole is distributed on vertical honeycomb pipe, heat
Flue gas enters tube side from the heat-exchanger rig top of honeycomb, and cold air enters the heat-exchanger rig shell side forced turbulent of honeycomb
Heat exchange completes heat transfer process after cold air heating.The vertical flow path of hot fume effectively prevents heating surface flying dust deposition and corrosion,
Honeycomb duct structure considerably increases heating surface area and reduces heat transfer resistance, effectively increases heat exchange efficiency.The utility model has
Advantage at low cost, applied widely can meet the heat transfer requirements of different cold fluid and hot fluids.
Specific embodiment described in the utility model is done to the spirit of the present invention for example, only listing
Heat source is hot fume, enterprise's exhaust, and cold source is the embodiment of water and air, but as known to those skilled in the art, the utility model
It is equally applicable to the heat exchange of other cold sources and heat source, and suitable cold and heat source can be selected according to actual needs, and can be changed
The tube side of honeycomb heat exchanger and the structure of shell side, to improve the operational efficiency of system.
Although the utility model has more used hot fume entrance 1, cold flue gas to export 2, cold fluid inlet 3, hot fluid
A possibility that exporting the terms such as 4, shell 5, vertical honeycomb pipe 6, but being not precluded using other terms.Only using these terms
It is the essence for describing and explaining the utility model for convenience, being construed as any additional limitation all is and this
Utility model spirit is disagreed.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model
Utility model, within the spirit and principle of the utility model, any modification for being made, equivalent replacement, technology extend or again
Create etc., it should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of heat-exchanger rig with honeycomb, including hot fume entrance (1), cold flue gas export (2), cold fluid inlet
(3) and hot fluid outlet ports (4), which is characterized in that the inside of heat-exchanger rig is vertical honeycomb pipe (6), hot fume entrance (1), cold
Exhanst gas outlet (2) is connected to vertical honeycomb pipe (6), the pipe of cold fluid inlet (3), hot fluid outlet ports (4) and vertical honeycomb pipe (6)
External space connection.
2. having the heat-exchanger rig of honeycomb according to claim 1, which is characterized in that the vertical honeycomb pipe (6) exists
Have inside heat-exchanger rig it is multiple, it is parallel with one another to be arranged in parallel.
3. having the heat-exchanger rig of honeycomb according to claim 1, which is characterized in that the heat-exchanger rig is hexahedron
Structure, hot fume entrance (1) is in top surface, and cold flue gas exports (2) in bottom surface, and cold fluid inlet (3) is in front end face, hot fluid outlet ports
(4) in rear end face, left and right side is with shell (5) sealing.
4. according to claim 1 have honeycomb heat-exchanger rig, which is characterized in that the hot fume entrance (1) into
The medium entered is high temperature fluid；The medium that the cold fluid inlet (3) enters is cryogen to be heated.
5. according to claim 4 have honeycomb heat-exchanger rig, which is characterized in that the high temperature fluid be hot water,
Steam water interface, steam or flue gas；The cryogen to be heated is water or air.
6. having the heat-exchanger rig of honeycomb according to claim 1, which is characterized in that the cold flue gas outlet (2) sets
There is the blow device that can inversely purge vertical honeycomb pipe (6).
7. having the heat-exchanger rig of honeycomb according to claim 1, which is characterized in that on the vertical honeycomb pipe (6)
The concave hole (9) of polygon or round is distributed with.
8. having the heat-exchanger rig of honeycomb according to claim 1, which is characterized in that vertical honeycomb pipe (6) wall
Thickness is 2~5mm.
9. having the heat-exchanger rig of honeycomb according to claim 1, which is characterized in that the hot fume entrance (1), cold
Exhanst gas outlet (2), cold fluid inlet (3) and hot fluid outlet ports (4) are surrounded by sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820314134.4U CN208187203U (en) | 2018-03-07 | 2018-03-07 | A kind of heat-exchanger rig with honeycomb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820314134.4U CN208187203U (en) | 2018-03-07 | 2018-03-07 | A kind of heat-exchanger rig with honeycomb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208187203U true CN208187203U (en) | 2018-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820314134.4U Active CN208187203U (en) | 2018-03-07 | 2018-03-07 | A kind of heat-exchanger rig with honeycomb |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267032A (en) * | 2018-03-07 | 2018-07-10 | 中国华能集团清洁能源技术研究院有限公司 | A kind of heat-exchanger rig and system with honeycomb |
-
2018
- 2018-03-07 CN CN201820314134.4U patent/CN208187203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267032A (en) * | 2018-03-07 | 2018-07-10 | 中国华能集团清洁能源技术研究院有限公司 | A kind of heat-exchanger rig and system with honeycomb |
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