CN211393920U - Drying and solidifying device for zero discharge of wastewater - Google Patents
Drying and solidifying device for zero discharge of wastewater Download PDFInfo
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- CN211393920U CN211393920U CN201922118080.1U CN201922118080U CN211393920U CN 211393920 U CN211393920 U CN 211393920U CN 201922118080 U CN201922118080 U CN 201922118080U CN 211393920 U CN211393920 U CN 211393920U
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Abstract
The utility model relates to the technical field of energy conservation and environmental protection, in particular to a drying and solidifying device for zero discharge of waste water, which comprises a booster fan, a slurry booster pump, a dust remover and a solidifying tower, wherein the booster fan is communicated with a flue gas nozzle on a solidifying tower body; a plurality of flue gas nozzles are uniformly arranged around the tower body, and the outlet center line of each flue gas nozzle is tangent to an imaginary circle coaxial with the curing tower. The drying and curing tower for zero discharge of waste water enables the smoke entering the tower body of the curing tower to be in a rotating state through the arrangement mode of cutting circles at four corners, so that the smoke and the waste liquid are fully mixed, the wall adhesion of the waste liquid can be prevented, and the retention time of the waste liquid in the tower body can be prolonged; the investment cost of zero discharge of the waste water can be greatly reduced, and the development of the industry of zero discharge of the waste water is promoted.
Description
Technical Field
The utility model relates to an energy-concerving and environment-protective technical field is a dry solidification equipment for waste water zero release. The drying and curing tower for zero discharge of wastewater is mainly applied to high-temperature flue gas bypass drying and curing engineering of a power plant.
Background
With the rapid development of the industry in China, the discharge amount of industrial wastewater which is high in salt content and difficult to degrade is increased dramatically, so that the water pollution caused by the wastewater becomes a main problem of the environmental pollution in China. The high-salinity wastewater refers to wastewater with the total salt mass fraction of at least 1%, which is mainly from chemical plants, petroleum and natural gas collection and processing and the like, and contains various substances (including salt, oil, organic heavy metals and radioactive substances). At present, the water intake of national industry accounts for 20 percent of the water intake of national industry, wherein the main high water consumption industry is thermal power generation, textile, manufacturing, steel and petrochemical industry. The Chinese water-saving technical policy outline issued in 2005 clearly points out the development of discharged wastewater recycling and zero emission technology.
The development of the zero-discharge technology of the waste water in the current market encounters a bottleneck, and several technologies have certain problems. The investment cost of the flue evaporation technology is low, but the development of the technology is limited by later maintenance and corrosion prevention of the flue. The technical tower body of the double-fluid atomization drying tower is higher, and the condition of adherence of waste liquid is easy to exist in the operation process. Rotary spray drying techniques, while solving the problems previously encountered, have high capital costs. The market of zero release of waste water urgently needs a new technology with low investment, operation stability, in view of this, my utility model has been used for this drying and solidifying tower of zero release of waste water.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dry solidification tower for waste water zero release, the technical problem that solve is under the prerequisite of guaranteeing investment cost, builds a waste water zero release atomizing drying tower that moves stably.
The purpose of the utility model and the technical problem to be solved are realized by adopting the following technical scheme. A drying device for zero discharge of waste water comprises a booster fan, a slurry booster pump, a dust remover and a solidification tower, wherein the booster fan is communicated with a flue gas nozzle on a solidification tower body; a plurality of flue gas nozzles are uniformly arranged around the tower body, and the outlet center line of each flue gas nozzle is tangent to an imaginary circle coaxial with the curing tower.
Further, the upper part of the tower body is square.
Furthermore, four corners of the upper part of the tower body are respectively provided with a flue gas nozzle, wherein the diameter phi D of the imaginary circle is less than or equal to 1/10 of the side length C.
Furthermore, the tower body and the smoke nozzle are welded by steel plates. The side length C of the tower body is selected according to the atomizing diameter of the waste liquid nozzle, the height H of the tower body is determined according to the retention time of the flue gas in the tower, the retention time is selected to be 2-3 seconds, and the included angle of the cone section is larger than the included angle of the cone section according to the gravity flow angle of the crystal, and is selected to be 60 degrees
Furthermore, the liquid spraying parts are arranged on the waste liquid nozzle in the corresponding direction of the flue gas nozzle on the curing tower body.
Furthermore, the number of the liquid spraying parts is equal to that of the high-pressure water conveying pipes in the waste liquid nozzle.
Further, hydrojet spare includes the barrel, be provided with fan, water storage tank and set up four at least nozzles at the water storage tank front end in the barrel, wherein the water storage tank is connected with the delivery outlet of thick liquid booster pump through high-pressure raceway.
Further, the nozzle is a high-pressure ball valve.
Furthermore, a guide blade group for guiding the outlet water mist direction is welded at the outlet of the cylinder in an inclined mode.
The curing method of the drying and curing device is characterized in that the lift of the slurry booster pump (6) is at least 50 meters.
Advantageous effects
(1) The utility model discloses a dry curing tower can guarantee under the condition that the waste liquid is not adherent, makes flue gas and waste liquid intensive mixing to the dwell time of extension waste liquid in the body of the tower realizes the waste water zero release.
(2) The utility model discloses the strong striking of strong wind that the fan in the hydrojet spare was blown and the water smoke that the nozzle came out, further the more little water smoke of fineness becomes, and the time of keeping in the air is long, then recycles the high temperature flue gas and makes the water smoke evaporation be vapor, and vapor enters into the atmosphere along with the flue gas, and solidification discarded object such as salt that the crystallization came down is then caught by the dust remover together with the flying dust in the flue gas, is used as building material etc. after discharging into the ash storehouse.
Drawings
FIG. 1 is a dry cure flow diagram;
FIG. 2 is a top view of the drying and solidifying tower for zero discharge of waste water according to the present invention;
FIG. 3 is a front view of the drying and solidifying tower for zero discharge of waste water according to the present invention;
FIG. 4 is a top view of the waste liquid nozzle of the present invention;
FIG. 5 is a front view of the spray member;
in the figure: 1. solidifying the tower body of the tower; 2. A flue gas nozzle; 3. A waste liquid nozzle; 4. a dust remover; 5. a booster fan; 6. a slurry booster pump; 7. a curing tower; 8. a liquid spraying member; 9. a barrel; 10. a fan; 11. a water storage tank; 12. a nozzle; 13. a high-pressure water delivery pipe; 14. and a guide vane group.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the present invention, the following description will be made in conjunction with the accompanying drawings and preferred embodiments for further explaining the specific embodiments, structures, features and effects of the drying and solidifying tower for zero discharge of waste water according to the present invention.
Example 1
A drying and solidifying device for zero discharge of waste water comprises a booster fan 5, a slurry booster pump 6, a dust remover 4 and a solidifying tower 7, wherein the booster fan 5 is communicated with a flue gas nozzle 2 on a solidifying tower body 1, the slurry booster pump 6 is communicated with a liquid spraying part 8 on a waste liquid nozzle 3 through a high-pressure water conveying pipe 13, the bottom of the solidifying tower body 1 is communicated with the dust remover 4, and the waste liquid nozzle 3 is positioned at the upper part of the flue gas nozzle 2; the curing tower 7 is a hollow container with a square upper part and a conical lower part. Four corners of the upper part of the tower body 1 are respectively provided with a flue gas nozzle 2, and the central line of the outlet of each flue gas nozzle 2 is tangent to an imaginary circle which is coaxial with the curing tower. Wherein the diameter phi D of the imaginary circle is 1/10 of the side length C, and the central line of the outlet of each flue gas nozzle 2 is tangent to the imaginary circle which is coaxial with the curing tower. The tower body 1 and the smoke nozzle 2 are both welded by steel plates. The angle of the flue gas ejected from the flue gas nozzle 1 is shown in fig. 2 below, the diameter phi D of the imaginary circle is one tenth of the side length C, and the difference between the angle A and the angle B is 5 degrees.
In the drying and solidifying device, the liquid spraying parts 8 are arranged on the waste liquid nozzle 3 in the corresponding directions of the four flue gas nozzles 2 on the solidifying tower body 1. Wherein the number of the liquid spraying parts 8 is equal to that of the high-pressure water conveying pipes 13.
The liquid spraying part 8 in the drying and curing device comprises a barrel 9, wherein a fan 10, a water storage tank 11 and four nozzles 12 arranged at the front end of the water storage tank 11 are arranged in the barrel, and the water storage tank 11 is connected with an output port of the slurry booster pump 6 through a high-pressure water conveying pipe 13.
The nozzle 12 is a high pressure ball valve.
A guide blade group 14 for guiding the outlet water mist direction is welded at the outlet of the cylinder 9 in an inclined way.
The utility model discloses a dry solidification equipment gets into back in the drying tower body at waste liquid and flue gas, because the flue gas is the rotating condition because the flue gas is tangent circle, rotatory flue gas and waste liquid contact opening alright reach the intensive mixing state rapidly to can avoid the waste liquid to paste on the drying tower body inner wall, also prolong the dwell time of waste liquid in the body of the tower simultaneously.
And calculating the smoke quantity required by water in the evaporation concentration waste liquid according to the components and the quality of the concentration waste liquid and the smoke parameters. The booster fan 6 is started firstly, strong wind blown by the fan 10 collides with high-pressure water mist from the nozzle 12 strongly, the water mist is further refined into water mist with smaller particle size and is not kept in the air for a long time, then the booster pump 5 is started, the water mist atomized by the nozzle 11 is fully mixed with the flue gas entering from the flue gas nozzle 2, the water mist in the waste liquid is changed into steam by the high-temperature flue gas, so that wastes such as salts in the waste liquid are crystallized and separated out, the mixture of the flue gas, ash, steam, the wastes such as salts enters the dust remover, the solid wastes such as salts and the ash are captured by the dust remover 4, and the flue gas carries the steam and is finally discharged into the atmosphere from a chimney. Thus, the aim of zero discharge of waste water is fulfilled.
The above-mentioned embodiments are only described for the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by the ordinary engineers in the art should fall into the protection scope of the present invention, and the claimed technical content of the present invention is fully set forth in the appended claims.
Claims (7)
1. The drying and solidifying device for zero emission of wastewater is characterized by comprising a booster fan (5), a slurry booster pump (6), a dust remover (4) and a solidifying tower (7), wherein the booster fan (5) is communicated with a flue gas nozzle (2) on a solidifying tower body (1), the slurry booster pump (6) is communicated with a liquid spraying piece (8) on a waste liquid nozzle (3) through a high-pressure water conveying pipe (13), the bottom of the solidifying tower body (1) is communicated with the dust remover (4), and the waste liquid nozzle (3) is positioned at the upper part of the flue gas nozzle (2); a plurality of flue gas nozzles (2) are uniformly arranged around the tower body (1), and the outlet center line of each flue gas nozzle (2) is tangent to an imaginary circle coaxial with the curing tower.
2. The drying and curing device according to claim 1, wherein the upper part of the tower (1) is square.
3. The drying and curing device as claimed in claim 2, characterized in that the upper four corners of the tower body (1) are each provided with a flue gas nozzle (2), wherein the diameter Φ D of the imaginary circle is not more than 1/10 of the side length C.
4. The drying and curing device as claimed in claim 1, characterized in that the waste liquid nozzles (3) each have a liquid jet (8) in the direction of the flue gas nozzles (2) in the curing tower (1).
5. The drying and curing device as claimed in claim 4, wherein the liquid spraying member (8) comprises a cylinder (9), and a blower (10), a water storage tank (11) and at least four nozzles (12) arranged at the front end of the water storage tank (11) are arranged in the cylinder, wherein the water storage tank (11) is connected with the output port of the slurry booster pump (6) through a high-pressure water pipe (13).
6. The dry curing apparatus according to claim 5, wherein the nozzle (12) is a high pressure ball valve.
7. The drying and curing device according to claim 6, wherein a guide vane set (14) for guiding the direction of the outlet water mist is welded at the outlet of the cylinder (9) in an inclined manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922118080.1U CN211393920U (en) | 2019-11-29 | 2019-11-29 | Drying and solidifying device for zero discharge of wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922118080.1U CN211393920U (en) | 2019-11-29 | 2019-11-29 | Drying and solidifying device for zero discharge of wastewater |
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| CN211393920U true CN211393920U (en) | 2020-09-01 |
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| CN201922118080.1U Active CN211393920U (en) | 2019-11-29 | 2019-11-29 | Drying and solidifying device for zero discharge of wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803732A (en) * | 2019-11-29 | 2020-02-18 | 济南山源环保科技有限公司 | Drying and solidifying device for zero discharge of wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803732A (en) * | 2019-11-29 | 2020-02-18 | 济南山源环保科技有限公司 | Drying and solidifying device for zero discharge of wastewater |
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