CN210973961U - A prevent hanging wall type drying tower for terminal waste water zero release of power plant - Google Patents
A prevent hanging wall type drying tower for terminal waste water zero release of power plant Download PDFInfo
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- CN210973961U CN210973961U CN201922007523.XU CN201922007523U CN210973961U CN 210973961 U CN210973961 U CN 210973961U CN 201922007523 U CN201922007523 U CN 201922007523U CN 210973961 U CN210973961 U CN 210973961U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/141—Wind power
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Abstract
The utility model discloses a prevent hanging wall type drying tower for terminal waste water zero release of power plant, including casing and drying tower body, be provided with the heat preservation in the intermediate layer of casing, and the top intermediate position of casing installs hot flue gas inlet flue, the top inboard of casing is provided with double-layered wall wind chamber, and installs double-layered wall wind nozzle formula guide plate in the bottom in double-layered wall wind chamber, the drying tower body is installed in the tail end of hot flue gas inlet flue, and the bottom of drying tower body is provided with flying dust solid discharge port. The device utilizes double-walled wind import wind channel and external compressed gas to produce equipment and link to each other for double-walled wind intracavity can be full of compressed gas, utilizes double-walled wind nozzle formula guide plate to spout the compressed gas of double-walled wind intracavity to this internally of drying tower, makes the air curtain that has pressure of formation of drying tower body, thereby makes the unable inner wall that contacts the drying tower body behind the waste water atomizing, wall built-up when preventing to contain salt waste water drying.
Description
Technical Field
The utility model relates to a drying device technical field specifically is a prevent hanging wall type drying tower for terminal waste water zero release of power plant.
Background
With the increasing requirements of the country and the society on environmental protection and the higher requirements on thermal power plants, the wastewater of the power plants must achieve zero emission. In order to realize the aim of zero discharge of wastewater of a thermal power plant, the wastewater of the power plant needs to be subjected to a wastewater pretreatment process, a wastewater concentration treatment process and a tail end wastewater evaporation crystallization process.
The existing drying tower is used for drying salt-containing wastewater, and the atomized wastewater is likely to be adsorbed and gathered to form water drops on the inner wall of the drying tower when contacting the inner wall of the drying tower, so that the wall hanging phenomenon is easy to occur, and the service life and safety of the drying tower are influenced by long-time wall hanging.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent hanging wall type drying tower for terminal waste water zero release of power plant to solve the drying tower that proposes in the above-mentioned background art, when the drying contains salt waste water, the waste water after the atomizing is when contacting the drying tower inner wall, may adsorb the gathering and form the drop of water on the drying tower inner wall, appears the wall built-up phenomenon easily, long-time wall built-up influences drying tower life and safe problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent hanging wall type drying tower for terminal waste water zero release of power plant, includes casing and drying tower body, be provided with the heat preservation in the intermediate layer of casing, and the top intermediate position of casing installs hot flue gas inlet flue, the top inboard of casing is provided with double-layered wall wind chamber, and the bottom in double-layered wall wind chamber installs double-layered wall wind nozzle formula guide plate, the drying tower body is installed in the tail end of hot flue gas inlet flue, and the bottom of drying tower body is provided with flying dust solid discharge port, the outside of casing is provided with the waste pipe.
Preferably, the shell is of a double-layer structure, and the heat-insulating layers are uniformly distributed in the interlayer of the shell. The shell is a double-layer structure, the heat-insulating layer is distributed in the interlayer of the shell,
preferably, the right side of the double-wall air cavity is connected with a double-wall air inlet air duct, and a communicating structure is formed between the double-wall air cavity and the double-wall air inlet air duct.
Preferably, the inclination angle between the double-wall air nozzle type guide plate and the drying tower body is smaller than that, and the double-wall air nozzle type guide plates are uniformly distributed along the bottom of the double-wall air cavity.
Preferably, a cold flue gas outlet flue is installed on the right side of the bottom of the drying tower body, and a communicating structure is formed between the cold flue gas outlet flue and the drying tower body.
Preferably, a sealing valve is installed inside the waste water pipe, and a sealing structure is formed between the sealing valve and the waste water pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the device is provided with the heat insulation layer, the shell of the double-layer structure has a good heat insulation function, and the heat insulation layer in the interlayer of the shell enables the shell to have good heat insulation performance, so that the heat loss speed in the device is reduced, and the heat insulation performance of the device is improved; the sealing valve is arranged, wastewater flows into the wastewater pipe, and the sealing valve can control the wastewater to flow into the wastewater pipe;
2. the wall-clamping air cavity is formed on the inner wall of the whole drying equipment, and the wall-clamping air inlet air channel is connected with external compressed gas generating equipment, so that the wall-clamping air cavity can be filled with compressed gas, and an air curtain is formed to assist in preventing atomized wastewater from being hung on the wall;
3. the wall-clamping air nozzle type guide plate is arranged, compressed air in the wall-clamping air cavity is sprayed into the drying tower body by the wall-clamping air nozzle type guide plate, so that an air curtain with pressure is formed in the drying tower body, the waste water cannot contact the inner wall of the drying tower body after being atomized, and the salt-containing waste water is prevented from hanging on the wall when being dried; the device is provided with a cold flue gas outlet flue, waste water evaporated by high-temperature flue gas is discharged by the cold flue gas outlet flue, and generated solid dust is discharged through a fly ash solid discharge port.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;
fig. 3 is a schematic side view of the present invention.
In the figure: 1. a housing; 2. a heat-insulating layer; 3. a hot flue gas inlet flue; 4. a double-walled air cavity; 5. a double-walled air inlet duct; 6. a double-walled air nozzle type deflector; 7. drying the tower body; 8. a fly ash solids discharge port; 9. a cold flue gas outlet flue; 10. a waste pipe; 11. and sealing the valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a wall hanging prevention type drying tower for zero discharge of waste water at the tail end of a power plant comprises a shell 1 and a drying tower body 7, wherein a heat preservation layer 2 is arranged in an interlayer of the shell 1, a hot flue gas inlet flue 3 is arranged in the middle position of the top end of the shell 1, the shell 1 is of a double-layer structure, the heat preservation layer 2 is uniformly distributed in the interlayer of the shell 1, the shell 1 is of a double-layer structure, the heat preservation layer 2 is distributed in the interlayer of the shell 1, the device is provided with the heat preservation layer 2, the shell 1 of the double-layer structure has a good heat preservation function, the heat preservation layer 2 in the interlayer of the shell 1 enables the shell 1 to have good heat insulation performance, so that the heat loss speed in the device is reduced; the inner side of the top of the shell 1 is provided with a double-wall air cavity 4, the bottom of the double-wall air cavity 4 is provided with a double-wall air nozzle type guide plate 6, the right side of the double-wall air cavity 4 is connected with a double-wall air inlet air duct 5, a communication structure is formed between the double-wall air cavity 4 and the double-wall air inlet air duct 5, the double-wall air inlet air duct 5 is of a hollow structure, the double-wall air inlet air duct 5 is connected with the double-wall air cavity 4, the double-wall air inlet air duct 5 is communicated with the double-wall air cavity 4, compressed gas can flow into the double-wall air cavity 4 from the double-wall air inlet air duct 5, the double-wall air cavity 4 is provided, and the inner wall of the whole drying equipment forms the double-wall air cavity 4 and is connected with external compressed gas generating equipment by utilizing the double-wall air inlet air duct 5, so that the double-wall air cavity;
the drying tower body 7 is arranged at the tail end of the hot flue gas inlet flue 3, the bottom end of the drying tower body 7 is provided with a fly ash solid discharge port 8, the inclination angle between the wall-clamping air nozzle type guide plate 6 and the drying tower body 7 is less than 90 degrees, the double-wall air nozzle type guide plates 6 are uniformly distributed along the bottom of the double-wall air cavity 4, the included angle between the double-wall air nozzle type guide plates 6 and the drying tower body 7 is less than 90 degrees, the length of an air curtain formed by sprayed gas is ensured, the double-wall air nozzle type guide plates 6 are distributed at the bottom of the double-wall air cavity 4 and are provided with the double-wall air nozzle type guide plates 6, the compressed gas in the double-wall air cavity 4 is sprayed into the drying tower body 7 by the double-wall air nozzle type guide plates 6, so that the drying tower body 7 forms an air curtain with pressure, therefore, the waste water cannot contact the inner wall of the drying tower body 7 after being atomized, and the salt-containing waste water is prevented from being hung on the wall when being dried;
a cold flue gas outlet flue 9 is arranged on the right side of the bottom of the drying tower body 7, a communicating structure is formed between the cold flue gas outlet flue 9 and the drying tower body 7, the cold flue gas outlet flue 9 is of a hollow structure, the tail end of the cold flue gas outlet flue 9 is connected with the drying tower body 7, the drying tower body 7 is communicated with the cold flue gas outlet flue 9 and is provided with the cold flue gas outlet flue 9, waste water evaporated by high-temperature flue gas is discharged by using the cold flue gas outlet flue 9, and generated solid dust is discharged through a fly ash solid discharge port 8; a waste pipe 10 is arranged outside the shell 1, a sealing valve 11 is arranged inside the waste pipe 10, a sealing structure is formed between the sealing valve 11 and the waste pipe 10, the sealing valve 11 is closed, the waste pipe 10 is internally sealed, the sealing valve 11 is arranged, waste water flows into the waste pipe 10, and the sealing valve 11 can control the waste water to flow in.
The working principle is as follows: for the drying tower, firstly, the device is installed according to a certain specification and is connected with external equipment, the air duct 5 of the air inlet of the double-wall is connected with the external compressed gas generating equipment, the external compressed gas generating equipment is opened, the compressed gas is filled in the air cavity 4 of the double-wall, the compressed gas flows into the drying tower body 7 from the guide plate 6 of the air nozzle type of the double-wall, an air curtain with pressure is formed at the rated position of the drying tower body 7, the air curtain covers the whole side wall of the drying tower body 7, the sealing valve 11 in the waste water pipe 10 is opened, the waste water flows into the device from the waste water pipe 10, the hot flue 3 of the hot flue gas inlet is connected with the external high-temperature hot flue gas, the external high-temperature flue gas flows into the drying tower body 7 along the hot flue 3 of the hot flue gas inlet, the temperature in the drying tower body 7 is increased, the waste water in the drying tower body 7 is heated, and the evaporation speed, atomizing waste water, because the gas density after the atomizing is less, can be in drying tower body 7 free activity, when the water smoke after the atomizing is to the inner wall department diffusion of drying tower body 7, the air curtain of drying tower body 7 inner wall department can prevent water smoke contact drying tower body 7's inner wall department, with water smoke and drying tower body 7's inner wall separation, waste water after the evaporation can only leave the device along cold gas outlet flue 9, the solid dust that produces is from the device of 8 eduction gear of flying dust solid discharge port of device bottom side, double-deck casing 1 has better heat-insulating effect, casing 1 presss from both sides intraformational heat preservation 2 and increases the heat preservation performance of device, reduce thermal loss, just so accomplish the use of whole drying tower.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a prevent hanging wall type drying tower for terminal waste water zero release of power plant, includes casing (1) and drying tower body (7), its characterized in that: be provided with heat preservation (2) in the intermediate layer of casing (1), and the top intermediate position of casing (1) installs hot flue gas inlet flue (3), the top inboard of casing (1) is provided with double-layered wall wind chamber (4), and installs double-layered wall wind nozzle formula guide plate (6) bottom double-layered wall wind chamber (4), install in the tail end of hot flue gas inlet flue (3) drying tower body (7), and the bottom of drying tower body (7) is provided with flying dust solid discharge port (8), the outside of casing (1) is provided with waste pipe (10).
2. The anti-hanging wall type drying tower for zero discharge of waste water at the tail end of a power plant as claimed in claim 1, characterized in that: the shell (1) is of a double-layer structure, and the heat-insulating layers (2) are uniformly distributed in the interlayer of the shell (1).
3. The anti-hanging wall type drying tower for zero discharge of waste water at the tail end of a power plant as claimed in claim 1, characterized in that: the right side of the double-wall air cavity (4) is connected with a double-wall air inlet air duct (5), and a communicating structure is formed between the double-wall air cavity (4) and the double-wall air inlet air duct (5).
4. The anti-hanging wall type drying tower for zero discharge of waste water at the tail end of a power plant as claimed in claim 1, characterized in that: the inclination angle between the double-wall air nozzle type guide plate (6) and the drying tower body (7) is smaller than 90 degrees, and the double-wall air nozzle type guide plate (6) is uniformly distributed along the bottom of the double-wall air cavity (4).
5. The anti-hanging wall type drying tower for zero discharge of waste water at the tail end of a power plant as claimed in claim 1, characterized in that: and a cold flue gas outlet flue (9) is arranged on the right side of the bottom of the drying tower body (7), and a communicating structure is formed between the cold flue gas outlet flue (9) and the drying tower body (7).
6. The anti-hanging wall type drying tower for zero discharge of waste water at the tail end of a power plant as claimed in claim 1, characterized in that: a sealing valve (11) is installed inside the waste water pipe (10), and a sealing structure is formed between the sealing valve (11) and the waste water pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922007523.XU CN210973961U (en) | 2019-11-20 | 2019-11-20 | A prevent hanging wall type drying tower for terminal waste water zero release of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922007523.XU CN210973961U (en) | 2019-11-20 | 2019-11-20 | A prevent hanging wall type drying tower for terminal waste water zero release of power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210973961U true CN210973961U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922007523.XU Active CN210973961U (en) | 2019-11-20 | 2019-11-20 | A prevent hanging wall type drying tower for terminal waste water zero release of power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210973961U (en) |
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2019
- 2019-11-20 CN CN201922007523.XU patent/CN210973961U/en active Active
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