CN213237478U - Shell-and-tube boiler energy saver - Google Patents
Shell-and-tube boiler energy saver Download PDFInfo
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- CN213237478U CN213237478U CN202021841302.9U CN202021841302U CN213237478U CN 213237478 U CN213237478 U CN 213237478U CN 202021841302 U CN202021841302 U CN 202021841302U CN 213237478 U CN213237478 U CN 213237478U
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Abstract
The utility model discloses a tube-shell boiler economizer, which comprises a smoke tube (1) and a shell (2), wherein the smoke tube (1) is a corrugated tube and is horizontally arranged and transversely passes through the shell (2); the shell (2) is of a hollow structure, a water inlet pipe (3) is arranged below the shell, and a water outlet pipe (4) is arranged above the shell; a water inlet flow equalizing plate (7) is arranged above the water inlet pipe (3), and the water inlet flow equalizing plate (7) is of a porous flat plate structure. The utility model discloses a shell-and-tube boiler economizer has heat transfer efficiency height, flue gas resistance is low, energy utilization is rateed highly, be difficult for appearing flue gas deposition, compact structure, a great deal of advantages such as metal utilization ratio height.
Description
Technical Field
The utility model relates to a boiler energy-saving appliance, especially a shell and tube boiler energy-saving appliance belongs to the industrial boiler field.
Background
Most of the traditional boiler energy-saving devices are in the form that water pipes are wound with fins, the outside of the pipe is a flue gas side, the flue gas resistance of the boiler energy-saving device is high, and the fins are possibly polluted and deposited dust causes heat transfer deterioration.
In addition, if all the feed water of the boiler enters the boiler after entering the boiler economizer, the boiler economizer is limited by the flow rate of the water, the water flow rate is too high, and the resistance is too large.
In the prior art, a structure for increasing the number of water pipes to improve the performance of the energy saver is adopted, but the volume of the boiler energy saver is larger due to too many water pipes, and the number of welded junctions is increased, so that the boiler cost is higher.
Therefore, there is a need for an energy station that is flexible, space efficient, and energy efficient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above problems, the present inventors have conducted intensive studies to design a tube and shell type boiler economizer, which comprises a smoke tube 1 and a shell 2,
the smoke tube 1 is a corrugated tube, and the smoke tube 1 is horizontally arranged and transversely penetrates through the shell 2;
the shell 2 is of a hollow structure, a water inlet pipe 3 is arranged below the shell, a water outlet pipe 4 is arranged above the shell, and the smoke pipe 1 penetrates through the shell 2;
in the shell 2, a water inlet flow equalizing plate 7 is arranged above the water inlet pipe 3, and the water inlet flow equalizing plate 7 is of a porous flat plate structure.
The smoke tube 1 is a stainless steel corrugated tube, the outer diameter of the wave crest of the smoke tube 1 is 30-46 mm, the outer diameter of the wave trough is 24-34 mm, and the wave pitch is 20-25 mm.
The wall thickness of the smoke tube 1 is 0.5-1 mm.
The smoke tube 1 is provided with a plurality of smoke tubes which are arranged in parallel.
The two sides of the shell 2 are provided with a front tube plate 5 and a rear tube plate 6, the front tube plate 5 and the rear tube plate 6 are provided with a smoke tube hole, the smoke tube 1 is inserted into the smoke tube hole, and the smoke tube 1 is fixed in the shell 2 through the front tube plate 5 and the rear tube plate 6.
The shell 2 is annular, and the sections of the front tube plate 5 and the rear tube plate 6 are circular.
The axes of the water inlet pipe 3 and the water outlet pipe 4 are coincided with the perpendicular bisector of the shell 2.
The housing 2 is provided with an inspection hole tube 8.
The manhole tube 8 is located above the housing 2.
The water inlet pipe 3, the water outlet pipe 4 and/or the inspection hole pipe 8 are provided with flange bases.
The utility model provides a shell and tube boiler economizer has following beneficial effect:
(1) the pipe shell type boiler energy saver provided by the utility model has low smoke resistance and saves energy;
(2) the utility model provides a shell and tube boiler economizer, the flue gas stream in the flue pipe is the equal diameter stream type and arc stream type, makes the velocity of flow and the pressure of flue gas present periodic change, and the flue gas stream is outdated produces the disturbance swirl, constantly erodes the boundary layer, very big destruction boundary layer and the actual thickness on dirt layer, improves heat transfer efficiency;
(3) the pipe shell type boiler energy saver provided by the utility model can not be limited by the water flow speed, and the energy utilization rate is high;
(4) the shell-and-tube boiler economizer provided by the utility model generates disturbance vortex when smoke flows, and smoke dust accumulation is not easy to occur;
(5) the utility model provides a shell and tube boiler energy-saving appliance can become integral type condensation boiler with the boiler body, compact structure, and the metal utilization rate is high.
Drawings
FIG. 1 shows a schematic structural view of a shell and tube boiler economizer according to a preferred embodiment of the present invention;
FIG. 2 shows a schematic structural view of a shell and tube boiler economizer according to a preferred embodiment of the present invention;
fig. 3 shows a schematic structural view of a shell-and-tube boiler economizer according to a preferred embodiment of the present invention.
The reference numbers illustrate:
1-smoke tube;
2-a shell;
3-water inlet pipe;
4-water outlet pipe;
5-a tube plate;
6-a tube plate;
7-inflow water flow equalizing plate;
8-inspection of the well tube.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. The features and advantages of the present invention will become more apparent from the description.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
According to the utility model, the energy saver for the tube-shell boiler comprises a smoke tube 1 and a shell 2,
the shell 2 is a hollow structure, a water inlet pipe 3 is arranged below the shell, a water outlet pipe 4 is arranged above the shell, and the smoke pipe 1 penetrates through the shell 2, as shown in figure 1.
According to the utility model discloses, the flue gas passes casing 2 through tobacco pipe 1, and the boiler water flows out from outlet pipe 4 in getting into casing 2 from inlet tube 3, and the flue gas carries out the heat exchange with water in casing 2, realizes the boiler energy-saving appliance function.
Compare in the boiler energy-saving appliance design of traditional intraductal rivers, outside of tubes fin formula flue, the utility model discloses well flue gas resistance is lower, can reduce the power of boiler fan, reaches the effect of practicing thrift the energy consumption.
Furthermore, the heat exchange mode of the water flow outside the pipe also ensures that the water flow is not limited by the diameter of the pipe, and solves the problem that the pipe resistance is too large and a high-power water pressure device is needed due to the overhigh flow speed of the water flow.
The utility model discloses in, tobacco pipe 1 is corrugated metal pipe, preferably adopts corrugated stainless steel pipe, more preferably, and the crest external diameter of tobacco pipe 1 is 30 ~ 46mm, and the trough external diameter is 24 ~ 34mm, and the wave pitch is 20 ~ 25 mm.
The utility model discloses a tobacco pipe 1's structure for the flue gas stream in the tobacco pipe 1 is equal diameter stream type and arc stream type, makes the velocity of flow and the pressure of flue gas present periodic change, and the flue gas stream produces the disturbance swirl outdated, constantly erodees the boundary layer, very big destruction the actual thickness on boundary layer and dirt layer, improves heat transfer efficiency, makes the difficult scale deposit deposition of tobacco pipe 1 simultaneously.
Furthermore, the design of the stainless steel pipe ensures that the smoke pipe 1 has strong corrosion resistance, and can effectively prolong the service life of the boiler energy saver.
Furthermore, the wall thickness of the smoke tube 1 is 0.5-1 mm, so that the mechanical strength of the smoke tube 1 is met, the heat transfer efficiency is considered, and the applicability of the energy saver is improved.
Furthermore, the plurality of smoke pipes 1 are arranged in parallel, and the plurality of smoke pipes 1 are arranged in parallel, so that the exchange area between the smoke pipes 1 and water is increased, and meanwhile, the phenomena that water passes through the plurality of smoke pipes 1 and generates turbulence and the like are avoided, and the heat exchange is more stable and effective.
In a preferred embodiment, the smoke tube 1 is horizontally arranged and transversely penetrates through the shell 2, and the smoke tube 1 is horizontally arranged so that the smoke tube is vertically contacted with water flowing from bottom to top, so that the smoke tube 1 is uniformly stressed, and the problem that the end part of the smoke tube 1 is easily damaged due to uneven impact force of the water flow is avoided.
In a preferred embodiment, inlet tube 3, outlet pipe 4 axis and casing 2 perpendicular bisector coincidence for behind rivers flow into casing 2 through inlet tube 3, can be fast even fill casing 2, avoid rivers to appear the end flow in casing 2, thereby lead to the uneven problem of heat transfer.
According to a preferred embodiment of the present invention, an inspection hole pipe 8 is further provided on the housing 2, and maintenance work can be performed on the inside of the housing through the inspection hole pipe 8 at the time of inspection.
In a preferred embodiment, the inspection hole pipe 8 is located above the housing 2 to reduce the water pressure applied to the inspection hole pipe 8 and reduce the water leakage probability of the inspection hole pipe 8.
In a preferred embodiment, the inlet pipe 3, outlet pipe 4 and/or inspection hole pipe 8 have flanged bases to facilitate quick installation.
According to the utility model discloses, casing 2's both sides are provided with preceding tube sheet 5 and back tube sheet 6, are provided with the cigarette tube hole in the front on tube sheet 5 and the back tube sheet 6, and cigarette tube 1 inserts the cigarette tube hole, fixes cigarette tube 1 inside casing 2 through preceding tube sheet 5 and back tube sheet 6.
Furthermore, the front tube plate 5 and the rear tube plate 6 are tightly attached to the shell 2 to form a closed space together, so that water can flow in from the water inlet pipe 3, and an energy saver is reserved from the water outlet pipe 4 after heat exchange with the smoke tube 1.
In a preferred embodiment, the shell 2 is annular, and the front tube plate 5 and the rear tube plate 6 are circular in cross section, as shown in fig. 2 and 3, so that the contact specific surface area of the water in the shell 2 and the flue tube 1 is maximized, thereby increasing the heat exchange efficiency.
In a preferred embodiment, the front tube plate 5 and the rear tube plate 6 are connected with the shell 2 through threads, and sealing rings are further arranged between the front tube plate 5 and the shell 2 and between the rear tube plate 6 and the shell 2 to ensure air tightness.
In a preferred embodiment, a water inlet flow equalizing plate 7 is arranged inside the shell 2 above the water inlet pipe 3, and the water inlet flow equalizing plate 7 is of a porous flat plate structure and disperses water flow more quickly through multiple holes, so that a uniform heat exchange effect is better realized.
The present invention has been described above in connection with preferred embodiments, which are merely exemplary and illustrative. On this basis, can be right the utility model discloses carry out multiple replacement and improvement, these all fall into the utility model discloses a protection scope.
Claims (10)
1. A tube-shell boiler economizer comprises a smoke tube (1) and a shell (2), and is characterized in that,
the smoke tube (1) is a corrugated tube, and the smoke tube (1) is horizontally arranged and transversely penetrates through the shell (2);
the shell (2) is of a hollow structure, a water inlet pipe (3) is arranged below the shell, and a water outlet pipe (4) is arranged above the shell;
a water inlet flow equalizing plate (7) is arranged above the water inlet pipe (3), and the water inlet flow equalizing plate (7) is of a porous flat plate structure.
2. A shell and tube boiler economizer, as claimed in claim 1,
the smoke tube (1) is a stainless steel corrugated tube, the outer diameter of the wave crest of the smoke tube (1) is 30-46 mm, the outer diameter of the wave trough is 24-34 mm, and the wave pitch is 20-25 mm.
3. A shell and tube boiler economizer as claimed in claim 1 wherein the wall thickness of the flue tube (1) is 0.5-1 mm.
4. A shell and tube boiler economizer as claimed in claim 1 characterized in that said flue tubes (1) are provided in plurality, arranged in parallel with each other.
5. A shell and tube boiler economizer, as claimed in claim 1,
the novel smoke tube is characterized in that a front tube plate (5) and a rear tube plate (6) are arranged on two sides of the shell (2), smoke tube holes are formed in the front tube plate (5) and the rear tube plate (6), the smoke tube (1) is inserted into the smoke tube holes, and the smoke tube (1) is fixed inside the shell (2) through the front tube plate (5) and the rear tube plate (6).
6. A shell and tube boiler economizer according to claim 5 wherein,
the shell (2) is annular, and the sections of the front tube plate (5) and the rear tube plate (6) are circular.
7. A shell and tube boiler economizer, as claimed in claim 1,
the axes of the water inlet pipe (3) and the water outlet pipe (4) are coincided with the perpendicular bisector of the shell (2).
8. A shell and tube boiler economizer, as claimed in claim 1,
an inspection hole pipe (8) is arranged on the shell (2).
9. A shell and tube boiler economizer according to claim 8 wherein,
the inspection hole pipe (8) is positioned above the shell (2).
10. A shell and tube boiler economizer according to claim 8 wherein,
the water inlet pipe (3), the water outlet pipe (4) and/or the inspection hole pipe (8) are/is provided with flange bases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021841302.9U CN213237478U (en) | 2020-08-28 | 2020-08-28 | Shell-and-tube boiler energy saver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021841302.9U CN213237478U (en) | 2020-08-28 | 2020-08-28 | Shell-and-tube boiler energy saver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213237478U true CN213237478U (en) | 2021-05-18 |
Family
ID=75902833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021841302.9U Active CN213237478U (en) | 2020-08-28 | 2020-08-28 | Shell-and-tube boiler energy saver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213237478U (en) |
-
2020
- 2020-08-28 CN CN202021841302.9U patent/CN213237478U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220120 Address after: 214000 room 2022, building 10, first financial street, Wuxi Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Jiangsu Xinbo Energy Technology Co.,Ltd. Address before: 215500 building 11, 208 Huangpujiang Road, Changshu hi tech Industrial Development Zone, Changshu City, Suzhou City, Jiangsu Province Patentee before: SUZHOU BOEHMER THERMAL ENERGY PRODUCTS Co.,Ltd. |
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| TR01 | Transfer of patent right |