CN219956236U - Exhaust steam waste heat recovery device - Google Patents
Exhaust steam waste heat recovery device Download PDFInfo
- Publication number
- CN219956236U CN219956236U CN202321458192.1U CN202321458192U CN219956236U CN 219956236 U CN219956236 U CN 219956236U CN 202321458192 U CN202321458192 U CN 202321458192U CN 219956236 U CN219956236 U CN 219956236U
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- inner shell
- exhaust steam
- plate
- flow guide
- cavity
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- 238000011084 recovery Methods 0.000 title claims abstract description 14
- 239000002918 waste heat Substances 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 239000002699 waste material Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 102000004129 N-Type Calcium Channels Human genes 0.000 claims description 7
- 108090000699 N-Type Calcium Channels Proteins 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims 3
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model belongs to the field of energy conservation and emission reduction, and particularly relates to a waste steam waste heat recovery device which comprises an outer shell, an inner shell, a flow guide piece and a coiled pipe row, wherein the inner shell is embedded in the outer shell and forms a cooling cavity with the outer shell; compared with the prior art, after passing through the inner shell, the liquid formed by the exhaust steam and the residual exhaust steam enter the serpentine tube row, further heat exchange and cooling are realized in the zigzag serpentine tube, and finally the formed liquid is collected and utilized.
Description
Technical Field
The utility model relates to the field of energy conservation and emission reduction, in particular to a waste heat recovery device for exhaust steam.
Background
With the development of the society economy and the city of China and the increase of population, the quantity of urban household garbage is continuously increased in recent years, so that the garbage treatment method mainly comprises incineration treatment; the purpose of reducing and harmless garbage can be achieved by incinerating garbage, and meanwhile, power generation and heat supply can be performed by utilizing heat generated by garbage incineration.
In the garbage incineration process, the boiler heats water to form steam in the working process, and then the steam is utilized to do work; after acting, the steam is generally not directly converted into water, but is converted into steam with lower temperature and pressure, namely exhaust steam; the white water vapor generated by the directly discharged fixed exhaust steam causes visual pollution to the environment, and has good economic and environmental benefits for recovering the fixed exhaust steam.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a waste steam and waste heat recovery device for solving the technical problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the exhaust steam waste heat recovery device comprises an outer shell, an inner shell and a flow guide piece, wherein the inner shell is embedded in the outer shell and forms a cooling cavity with the outer shell, the flow guide piece is fixed in the inner shell,
the upper part of the outer shell is provided with a water outlet communicated with the cooling cavity, the bottom of the outer shell is provided with a water inlet communicated with the cooling cavity,
an air inlet is arranged on the top of the inner shell, an air outlet is arranged on the bottom of the inner shell, a negative pressure cavity which is communicated with the air inlet and the flow guide piece is arranged in the inner shell,
the guide piece is composed of a guide plate and a guide pipe which are connected with each other, the guide plate is in a conical plate shape, the top of the guide plate corresponds to the negative pressure cavity, the guide pipe and the inner shell form a guide cavity, and the air outlet is communicated with the guide cavity.
Further, the guide cavity is internally provided with a spiral plate, the spiral plate is coiled on the guide pipe, and the spiral plate is connected with the inner shell and the guide pipe.
Further, the recovery device further comprises a serpentine tube row communicated with the air outlet.
Further, a division plate and a sealing plate are arranged in the guide pipe, the division plate and the sealing plate are matched to enable the space in the guide pipe to form an n-type channel, and an air inlet and an air outlet which are communicated with the n-type channel are formed in the sealing plate.
Further, the sealing plate is arranged at the bottom of the flow guide pipe, and the separation plate is arranged at the middle part of the flow guide pipe.
By adopting the technical scheme, the utility model has the beneficial effects that:
1. leading exhaust steam into the inner shell from the outside through an air inlet, reducing the temperature of the exhaust steam after passing through the negative pressure cavity, and finally liquefying the exhaust steam by pumping cooling water into the cooling cavity and carrying out heat exchange on the exhaust steam; after passing through the inner shell, the liquid formed by the exhaust steam and the residual exhaust steam enter a serpentine tube row, further heat exchange and cooling are realized in a zigzag serpentine tube, and finally the formed liquid is collected and utilized;
2. the cooling water flows from bottom to top in the cooling cavity, so that the exhaust steam in the diversion cavity can be comprehensively subjected to heat exchange treatment, and the heat exchange efficiency of the exhaust steam is greatly enhanced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
FIG. 2 is a schematic view of a partial cross-sectional structure of a waste steam recovery device.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The exhaust steam waste heat recovery device comprises an outer shell 1, an inner shell 2, a guide piece 3 and a serpentine tube bank 4, wherein the inner shell 2 is embedded in the outer shell 1 and forms a cooling cavity 101 with the outer shell 1, the guide piece 3 is fixed in the inner shell 2, a water outlet 102 communicated with the cooling cavity 101 is formed in the upper portion of the outer shell 1, a water inlet 103 communicated with the cooling cavity 101 is formed in the bottom of the outer shell 1, an air inlet 201 is formed in the top of the inner shell 2, an air outlet 202 is formed in the bottom of the inner shell 2, a negative pressure cavity 203 communicated with the air inlet 201 and the guide piece 3 is formed in the inner shell 2, the guide piece 3 is formed by a guide plate 31 and a guide tube 32 which are connected with each other, the guide plate 31 is in a conical plate shape, the top of the guide plate 31 corresponds to the negative pressure cavity 203, the guide tube 32 and the inner shell 2 form a guide cavity 301, the air outlet 202 is communicated with the guide cavity 301, the serpentine tube bank 4 is communicated with the air outlet 202, a spiral plate 33 is arranged in the guide cavity 301, the spiral plate 33 is coiled on the guide tube 32, and the spiral plate 33 is connected with the inner shells 2 and the guide tube 32.
The exhaust steam enters the negative pressure cavity 203 from the air inlet 201, and the diameter of the negative pressure cavity 203 is gradually smaller from top to bottom, so that the temperature of the exhaust steam is greatly reduced under the action of pressure difference after the exhaust steam passes through the negative pressure cavity 203;
the exhaust steam is guided by the conical plate-shaped guide plate 31 after passing through the negative pressure cavity 203, and then uniformly dispersed and flowed into the guide cavity 301; the guide plate 31 can be arranged to be a cone shape protruding upwards, exhaust steam can be dispersed and guided to the periphery in the inner shell 2, or can be arranged to be a cone shape recessed in the guide plate 31, the exhaust steam is quickly sprayed into the cone-shaped space, and finally flows upwards and then enters the guide cavity 301;
cooling water is pumped into the cooling cavity 101 from the water inlet 103 and flows from bottom to top, so that the cooling water is distributed in the space of the cooling cavity 101, and heat exchange treatment can be performed in the diversion cavity 301; the exhaust steam flows through the spiral pipeline formed by the spiral plate 33, the inner body and the guide pipe 32, so that the cooling path of the exhaust steam is longer and the heat exchange of the exhaust steam is more comprehensive;
the serpentine tube bank 4 carries out heat exchange treatment again on the exhaust steam discharged from the diversion cavity 301, so as to ensure that the residual exhaust steam is liquefied.
The honeycomb duct 32 is internally provided with a division plate 34 and a sealing plate 35, the division plate 34 and the sealing plate 35 are matched to enable the space in the honeycomb duct 32 to form an n-type channel 302, an air inlet 303 and an air outlet 304 which are communicated with the n-type channel 302 are formed in the sealing plate 35, the sealing plate 35 is arranged at the bottom of the honeycomb duct 32, and the division plate 34 is arranged in the middle of the honeycomb duct 32.
Cooling air is pumped into the air inlet 303 by the fan, flows through the n-type channel 302 and is discharged from the air outlet 304, and the cooling air can exchange heat with exhaust steam in the diversion cavity 301, so that the heat exchange effect of the exhaust steam is further improved.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model, but one skilled in the art can make common changes and substitutions within the scope of the technical solution of the present utility model.
Claims (5)
1. The exhaust steam waste heat recovery device is characterized by comprising an outer shell (1), an inner shell (2) and a flow guide piece (3), wherein the inner shell (2) is embedded in the outer shell (1) and forms a cooling cavity (101) with the outer shell (1), the flow guide piece (3) is fixed in the inner shell (2),
the upper part of the outer shell (1) is provided with a water outlet (102) communicated with the cooling cavity (101), the bottom of the outer shell (1) is provided with a water inlet (103) communicated with the cooling cavity (101),
an air inlet (201) is arranged on the top of the inner shell (2), an air outlet (202) is arranged on the bottom of the inner shell (2), a negative pressure cavity (203) which is communicated with the air inlet (201) and the flow guide member (3) is arranged in the inner shell (2),
the flow guide piece (3) is composed of a flow guide plate (31) and a flow guide pipe (32) which are connected with each other, the flow guide plate (31) is in a conical plate shape, the top of the flow guide plate (31) corresponds to the negative pressure cavity (203), the flow guide pipe (32) and the inner shell (2) form a flow guide cavity (301), and the air outlet (202) is communicated with the flow guide cavity (301).
2. The exhaust steam waste heat recovery device according to claim 1, wherein a spiral plate (33) is arranged in the diversion cavity (301), the spiral plate (33) is coiled on the diversion pipe (32), and the spiral plate (33) is connected with the inner shell (2) and the diversion pipe (32).
3. The exhaust steam waste heat recovery device according to claim 1, further comprising a serpentine tube bank (4) in communication with the air outlet (202).
4. A waste steam waste heat recovery device according to claim 2 or 3, wherein a partition plate (34) and a sealing plate (35) are arranged in the guide pipe (32), the partition plate (34) and the sealing plate (35) are matched to enable an n-type channel (302) to be formed in the space in the guide pipe (32), and an air inlet (303) and an air outlet (304) which are communicated with the n-type channel (302) are formed in the sealing plate (35).
5. The exhaust steam waste heat recovery device according to claim 4, wherein the sealing plate (35) is arranged at the bottom of the guide pipe (32), and the partition plate (34) is arranged at the middle part of the guide pipe (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321458192.1U CN219956236U (en) | 2023-06-08 | 2023-06-08 | Exhaust steam waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321458192.1U CN219956236U (en) | 2023-06-08 | 2023-06-08 | Exhaust steam waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219956236U true CN219956236U (en) | 2023-11-03 |
Family
ID=88534882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321458192.1U Active CN219956236U (en) | 2023-06-08 | 2023-06-08 | Exhaust steam waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219956236U (en) |
-
2023
- 2023-06-08 CN CN202321458192.1U patent/CN219956236U/en active Active
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