CN218544399U - Ultra-low temperature economizer applied to power station - Google Patents
Ultra-low temperature economizer applied to power station Download PDFInfo
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- CN218544399U CN218544399U CN202222792727.0U CN202222792727U CN218544399U CN 218544399 U CN218544399 U CN 218544399U CN 202222792727 U CN202222792727 U CN 202222792727U CN 218544399 U CN218544399 U CN 218544399U
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Abstract
The utility model relates to the technical field of power station economizers, in particular to an ultra-low temperature economizer applied to a power station, which can effectively improve the waste heat recovery effect, improve the waste heat recovery rate, effectively prevent dust in flue gas from entering the economizer, is more convenient to clean and reduces the use limitation; including the shell, snap ring and snakelike heat exchange tube, the shell bottom is connected and is equipped with four group's landing legs, shell right-hand member intercommunication is equipped with the air intake fill, the air intake fill right-hand member is equipped with circular draw-in groove, the snap ring is installed on the air intake fill through the cooperation detachable with circular draw-in groove, equidistance is equipped with the multiunit fin on the circumference outer wall of snakelike heat exchange tube, shell top right side is equipped with the inlet tube, shell top left side is equipped with the outlet pipe, and the output of inlet tube and the input intercommunication of snakelike heat exchange tube, the input of outlet pipe and the output intercommunication of snakelike heat exchange tube, be equipped with water inlet flange and play water flange on inlet tube and the outlet pipe respectively.
Description
Technical Field
The utility model relates to a technical field of power station economizer especially relates to an ultra-low temperature economizer who is applied to power station.
Background
In a coal-fired power plant, coal powder is fully combusted in a hearth to generate a large amount of flue gas, the flue gas contains a large amount of waste heat, and in order to recover the waste heat and reduce energy loss, an economizer is usually arranged at the lower part of a tail flue of a boiler and used for recovering the waste heat of exhausted smoke.
The economizer heats boiler feed water into a heated surface of saturated water under the pressure of a steam drum, and absorbs the heat of high-temperature flue gas, so that the exhaust gas temperature of the flue gas is reduced, the energy is saved, and the efficiency is improved, so that the economizer is called.
However, the existing economizer is single in structure, poor in waste heat recovery effect and low in recovery rate when being used, and dust in flue gas easily enters the economizer, so that the economizer is inconvenient to clean and high in use limitation.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a can effectively improve waste heat recovery effect, improve waste heat recovery and prevent effectively that the dust in the flue gas from advancing in the picture economizer, it is more convenient that the clearance gets up, reduces the ultra-low temperature economizer who is applied to the power station who uses the limitation.
The utility model discloses a be applied to ultra-low temperature economizer in power station, which comprises an outer shell, snap ring and snakelike heat exchange tube, the shell bottom is connected and is equipped with four group's landing legs, shell right-hand member intercommunication is equipped with the air intake fill, the air intake fill right-hand member is equipped with circular draw-in groove, the snap ring is installed on the air intake fill through the cooperation detachable with circular draw-in groove, the snap ring left end is equipped with the filter screen, shell left end intercommunication is equipped with out the air scoop, the output connection that goes out the air scoop is equipped with the flange of giving vent to anger, snakelike heat exchange tube fixed mounting is in the inside of shell, the equidistance is equipped with the multiunit fin on the circumference outer wall of snakelike heat exchange tube, shell top right side is equipped with the inlet tube, and the output of inlet tube communicates with the input of snakelike heat exchange tube, be equipped with water inlet flange and water outlet flange on inlet tube and the outlet tube respectively.
The utility model discloses a be applied to ultra-low temperature economizer in power station still includes four group's bases and four group's adjusting screw, four group's base tops and four group's adjusting screw bottom fixed connection, four group's landing leg bottoms all are equipped with the screw hole, four group's adjusting screw through with the cooperation of screw hole respectively the spiral shell dress on four group's landing legs.
The utility model discloses a be applied to ultra-low temperature economizer in power station, four base tops of group are all connected and are equipped with fixed knob to four fixed knobs of group suit respectively on four adjusting screw bolts of group.
The utility model discloses a be applied to ultra-low temperature economizer in power station still includes two sets of carrying handle, the fixed mounting of two sets of carrying handle symmetry on the snap ring.
The utility model discloses a be applied to ultra-low temperature economizer in power station, equal fixed cover is equipped with anti-skidding handle cover on the circumference outer wall of two sets of handlebars.
The utility model discloses a be applied to ultra-low temperature economizer in power station, the cover is equipped with the seal cover on the snap ring.
The utility model discloses a be applied to ultra-low temperature economizer in power station, the inboard of four group's landing legs is all connected and is equipped with the reinforcing plate to four group's reinforcing plate tops all are connected with the shell bottom.
The utility model discloses a be applied to ultra-low temperature economizer in power station, snakelike heat exchange tube and fin all adopt the copper alloy material.
Compared with the prior art, the beneficial effects of the utility model are that: when the waste heat recovery type energy-saving coal economizer is used, the water inlet flange and the water outlet flange are communicated with an external water pipeline, the air inlet hopper and the air outlet flange are communicated with a flue, water enters the serpentine heat exchange tube from the water inlet tube and is discharged from the water outlet tube to form a circulation, when smoke with waste heat enters the shell from the air inlet hopper, the serpentine heat exchange tube and the fins absorb heat and transfer the water in the serpentine heat exchange tube to heat the water, the serpentine heat exchange tube adopts a plurality of serpentine elbows which are fully distributed in the shell, the heat exchange area is further increased through the fins, the contact area of the smoke and the serpentine heat exchange tube is enlarged, the flowing time of the water in the serpentine heat exchange tube is prolonged, the heat is fully absorbed, the waste heat recovery effect can be effectively improved, the waste heat recovery rate is improved, dust in the smoke is removed through the filter screen before the smoke enters the shell, and during cleaning, the clamping ring is directly taken down for cleaning, so that the dust in the smoke can be effectively prevented from entering the coal economizer, the waste heat recovery type energy-saving coal economizer is more convenient to clean, and the use limitation is reduced.
Drawings
Fig. 1 is a front schematic view of the present invention;
fig. 2 is a schematic front side sectional structure of the present invention;
fig. 3 is a schematic diagram of the left side cross-sectional structure of the present invention;
fig. 4 is a schematic view of the enlarged structure of the part a of the present invention;
FIG. 5 is a schematic view of the right side of the snap ring of the present invention;
in the drawings, the reference numbers: 1. a housing; 2. a support leg; 3. an air inlet hopper; 4. a snap ring; 5. filtering with a screen; 6. an air outlet hopper; 7. an air outlet flange; 8. a serpentine heat exchange tube; 9. a fin; 10. a water inlet pipe; 11. a water outlet pipe; 12. a water inlet flange; 13. a water outlet flange; 14. a base; 15. adjusting the stud; 16. fixing the knob; 17. a carrying handle; 18. an anti-slip handle sleeve; 19. sealing sleeves; 20. a reinforcing plate.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the utility model discloses an ultra-low temperature economizer applied to power station, including shell 1, snap ring 4 and snakelike heat exchange tube 8, shell 1 bottom is connected and is equipped with four groups of landing legs 2, shell 1 right-hand member intercommunication is equipped with air inlet hopper 3, air inlet hopper 3 right-hand member is equipped with circular draw-in groove, snap ring 4 is installed on air inlet hopper 3 through the cooperation detachable with circular draw-in groove, snap ring 4 left end is equipped with filter screen 5, shell 1 left end intercommunication is equipped with air outlet hopper 6, the output of air outlet hopper 6 is connected and is equipped with air outlet flange 7, snakelike heat exchange tube 8 is fixed mounting in shell 1's inside, equidistant multiunit fin 9 that is equipped with on the circumference outer wall of snakelike heat exchange tube 8, shell 1 top right side is equipped with inlet tube 10, shell 1 top left side is equipped with outlet pipe 11, and the output of inlet tube 10 communicates with the input of snakelike heat exchange tube 8, the input of outlet pipe 11 communicates with the output of snakelike heat exchange tube 8, inlet tube 10 and outlet flange 12 and outlet flange 13 are equipped with on inlet tube 11 respectively; firstly, when the heat-exchange type waste heat recovery device is used, a water inlet flange 12 and a water outlet flange 13 are communicated with an external water pipeline, an air inlet hopper 3 and an air outlet flange 7 are communicated with a flue, water enters a snake-shaped heat exchange tube 8 from a water inlet tube 10 and is discharged from a water outlet tube 11 to form a circulation, when smoke with waste heat enters a shell 1 from the air inlet hopper 3, the snake-shaped heat exchange tube 8 and fins 9 absorb heat and transfer the heat to the water in the snake-shaped heat exchange tube 8, so that the water is heated, the snake-shaped heat exchange tube 8 adopts a plurality of snake-shaped bent tubes and is fully distributed in the shell 1, the heat exchange area is further increased through the fins 9, the contact area between the smoke and the snake-shaped heat exchange tube 8 is enlarged, the flowing time of the water in the snake-shaped heat exchange tube 8 is prolonged, the heat is fully absorbed, the waste heat can be effectively improved, the waste heat recovery rate is improved, the dust in the smoke is removed through a filter screen 5 before entering the shell 1, and during the cleaning, the snap ring 4 is directly taken down for cleaning, so that the dust in the smoke can be effectively prevented from entering the coal economizer, the waste heat recovery device, the cleaning is more convenient and the use limitation is reduced.
The utility model discloses an ultra-low temperature economizer who is applied to power station still includes four group's bases 14 and four group's adjusting screw 15, and four group's bases 14 top and four group's adjusting screw 15 bottom fixed connection, and 2 bottoms of four group's landing legs all are equipped with the screw hole, and four group's adjusting screw 15 are respectively the spiral shell dress on four group's landing legs 2 through the cooperation with the screw hole; through rotating adjusting stud 15, can adjust the level of equipment, make equipment place more steadily, reduce and use the limitation.
In the ultra-low temperature economizer applied to the power station, the top ends of the four groups of bases 14 are respectively connected with the fixing knobs 16, and the four groups of fixing knobs 16 are respectively sleeved on the four groups of adjusting studs 15; by arranging the fixing knob 16, the adjusting stud 15 can be rotated more conveniently, and the use reliability is improved.
The utility model discloses an ultra-low temperature economizer applied to a power station, which also comprises two groups of carrying handles 17, wherein the two groups of carrying handles 17 are symmetrically and fixedly arranged on the snap ring 4; through setting up handle 17, can make getting of snap ring 4 put more conveniently, improve the reliability in utilization.
The utility model relates to an ultra-low temperature economizer applied to a power station, the outer walls of the circumferences of two groups of handles 17 are both fixedly sleeved with anti-skid handle sleeves 18; through setting up antiskid handle cover 18, can prevent effectively when getting to put snap ring 4 pulling handle 17, the condition of slipping and taking off the hand appears, improves the use reliability.
The utility model relates to an ultra-low temperature economizer applied to a power station, a seal sleeve 19 is sleeved on a snap ring 4; by arranging the sealing sleeve 19, the clamping of the clamping ring 4 and the air inlet hopper 3 can be more tight, and the use reliability is improved.
In the ultra-low temperature economizer applied to the power station, the inner sides of the four groups of supporting legs 2 are respectively connected with the reinforcing plates 20, and the top ends of the four groups of reinforcing plates 20 are respectively connected with the bottom end of the shell 1; by arranging the reinforcing plate 20, the connection between the supporting leg 2 and the shell 1 can be firmer and more stable, and the use reliability can be improved.
In the ultra-low temperature economizer applied to the power station, the serpentine heat exchange tube 8 and the fins 9 are both made of copper alloy; by adopting the copper alloy material, the serpentine heat exchange tube 8 and the fins 9 can absorb heat more easily, the heat transfer is faster, and the use reliability is improved.
The utility model discloses an ultra-low temperature economizer for power station, at first when using, with the water pipe switch-on of water inlet flange 12 and play water flange 13 and outside, fight 3 and give vent to anger flange 7 and flue switch-on will admit air, make water get into snakelike heat exchange tube 8 from inlet tube 10, discharge by outlet pipe 11 again, form the circulation, when the flue gas that has the waste heat gets into in shell 1 by the fill of admitting air 3, snakelike heat exchange tube 8 and fin 9 absorb the heat, and the water in snakelike heat exchange tube 8 has been given off to the transmission, make water intensification, snakelike heat exchange tube 8 adopts multisection snakelike return bend, be covered with 1 inside the shell, rethread fin 9 further increases heat transfer area, enlarge flue gas and snakelike heat exchange tube 8 area of contact, and make the flow time extension of water in heat exchange tube 8, make the heat fully absorbed, the flue gas is before getting into shell 1, get rid of the dust in the flue gas through filter screen 5, during the clearance, fight 3 and flue that will admit air break away from, then directly take off snap ring 4 to clear up can.
The utility model discloses an ultra-low temperature economizer applied to power station, the installation mode, the connection mode or the setting mode are all common mechanical modes, and the implementation can be carried out as long as the beneficial effects can be achieved; those skilled in the art can install and operate the device according to the attached instructions.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a be applied to ultra-low temperature economizer in power station, a serial communication port, including shell (1), snap ring (4) and snakelike heat exchange tube (8), shell (1) bottom is connected and is equipped with four groups landing leg (2), shell (1) right-hand member intercommunication is equipped with air intake fill (3), air intake fill (3) right-hand member is equipped with circular draw-in groove, snap ring (4) are installed on air intake fill (3) through the cooperation detachable with circular draw-in groove, snap ring (4) left end is equipped with filter screen (5), shell (1) left end intercommunication is equipped with air outlet fill (6), the output connection of air outlet fill (6) is equipped with air outlet flange (7), snakelike heat exchange tube (8) fixed mounting is in the inside of shell (1), equidistance on the circumference outer wall of snakelike heat exchange tube (8) is equipped with multiunit fin (9), shell (1) top right side is equipped with inlet tube (10), shell (1) top left side is equipped with outlet pipe (11), and the output of inlet tube (10) and the input intercommunication of snakelike heat exchange tube (8), the input of outlet pipe (11) communicate, the input of outlet pipe (11) and the flange (12) respectively, inlet pipe (13).
2. The ultra-low temperature coal economizer applied to the power station as claimed in claim 1, further comprising four groups of bases (14) and four groups of adjusting studs (15), wherein the top ends of the four groups of bases (14) are fixedly connected with the bottom ends of the four groups of adjusting studs (15), the bottom ends of the four groups of supporting legs (2) are respectively provided with a threaded hole, and the four groups of adjusting studs (15) are respectively screwed on the four groups of supporting legs (2) through matching with the threaded holes.
3. The ultra-low temperature economizer applied to the power station is characterized in that the top ends of the four groups of bases (14) are respectively provided with a fixing knob (16), and the four groups of fixing knobs (16) are respectively sleeved on the four groups of adjusting studs (15).
4. An ultra-low temperature economizer applied to a power plant as claimed in claim 3, characterized by further comprising two sets of carrying handles (17), wherein the two sets of carrying handles (17) are symmetrically and fixedly arranged on the snap ring (4).
5. An ultra-low temperature economizer applied to a power station as claimed in claim 4, characterized in that the outer walls of the circumferences of the two sets of carrying handles (17) are fixedly sleeved with anti-skid handle sleeves (18).
6. An ultra-low temperature economizer applied to a power station as claimed in claim 5, characterized in that a sealing sleeve (19) is sleeved on the snap ring (4).
7. An ultra-low temperature economizer applied to a power plant of claim 6, characterized in that the inner sides of the four sets of legs (2) are connected with reinforcing plates (20), and the top ends of the four sets of reinforcing plates (20) are connected with the bottom end of the casing (1).
8. An ultra-low temperature economizer applied to a power station as claimed in claim 7, characterized in that the serpentine heat exchange tube (8) and the fins (9) are made of copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222792727.0U CN218544399U (en) | 2022-10-21 | 2022-10-21 | Ultra-low temperature economizer applied to power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222792727.0U CN218544399U (en) | 2022-10-21 | 2022-10-21 | Ultra-low temperature economizer applied to power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218544399U true CN218544399U (en) | 2023-02-28 |
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ID=85280070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222792727.0U Active CN218544399U (en) | 2022-10-21 | 2022-10-21 | Ultra-low temperature economizer applied to power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218544399U (en) |
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2022
- 2022-10-21 CN CN202222792727.0U patent/CN218544399U/en active Active
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