CN115520953A - Coal chemical industry advanced wastewater treatment CoSD reaction tower - Google Patents
Coal chemical industry advanced wastewater treatment CoSD reaction tower Download PDFInfo
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- CN115520953A CN115520953A CN202210752389.XA CN202210752389A CN115520953A CN 115520953 A CN115520953 A CN 115520953A CN 202210752389 A CN202210752389 A CN 202210752389A CN 115520953 A CN115520953 A CN 115520953A
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- 239000000126 substance Substances 0.000 title claims abstract description 29
- 239000003245 coal Substances 0.000 title claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 26
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 214
- 239000002351 wastewater Substances 0.000 claims abstract description 74
- 239000003054 catalyst Substances 0.000 claims abstract description 70
- 238000005273 aeration Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 11
- 210000003437 trachea Anatomy 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 10
- 230000001965 increasing effect Effects 0.000 description 10
- 230000003647 oxidation Effects 0.000 description 10
- 238000007254 oxidation reaction Methods 0.000 description 10
- 230000003197 catalytic effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000005276 aerator Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/23—O3
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to the technical field of coal chemical industry wastewater treatment, in particular to a CoSD reaction tower for advanced treatment of coal chemical industry wastewater; a tower body; one end of the ozone pipe is communicated with the bottom of the tower body; the feeding pipe is positioned on one side far away from the tower body, and an opening at the bottom of the feeding pipe is communicated with the outer wall of the ozone pipe; the ozone booster pump is positioned on one side far away from the tower body, and a first air inlet of the ozone booster pump is communicated with the other end of the ozone pipe; the ozone generator is positioned at one side close to the ozone booster pump; a feeding unit positioned in the feeding pipe and used for controlling the feeding of the catalyst; according to the invention, the ozone and the ozone catalyst are mixed into the wastewater, so that the ozone and the ozone catalyst are fully mixed, the reaction efficiency of the ozone and the wastewater is improved, and the ozone-wastewater mixed reactor has the characteristics of high efficiency, convenience in operation, economy and practicability.
Description
Technical Field
The invention relates to the technical field of coal chemical wastewater treatment, in particular to a CoSD reaction tower for advanced treatment of coal chemical wastewater.
Background
The coal chemical industry wastewater mainly comprises high-concentration coal gas washing wastewater, wherein the high-concentration coal gas washing wastewater contains toxic and harmful substances such as phenols, alkanes, aromatics, cyanogen and the like. The main working flow of the coal chemical wastewater treatment comprises pretreatment, biochemical treatment and advanced treatment.
The treatment of organic matters in the coal chemical industry wastewater is a very complicated and difficult-to-treat process, so that the organic matters in the wastewater can be reduced only by carrying out advanced treatment on the wastewater, and meanwhile, the ozone catalytic oxidation technology has a better treatment effect than the ozone oxidation technology in the advanced treatment process. The coal chemical industry waste water is handled in the reaction tower and is guaranteed that the treatment effect of ozone catalytic oxidation technique is good, need under the prerequisite of ozone and ozone catalyst misce bene, otherwise the ozone is convenient for the waste water reaction before receiving ozone catalyst catalysis, has reduced the utilization ratio of ozone.
The ozone catalytic oxidation technology is used in the coal chemical industry wastewater advanced treatment scheme in the prior art, has better treatment effect compared with ozone oxidation, and is an optimal technology in the coal chemical industry wastewater advanced treatment. However, in the prior art, the ozone catalyst needs to be added from the side wall above the outer wall of the tower body once before ozone is introduced, and cannot be continuously added, otherwise, the addition of the ozone catalyst when ozone reacts with wastewater causes unreacted ozone in the tower body to enter from the ozone catalyst feed port, and the ozone catalyst gradually accumulates at the bottom after entering the tower body, which causes uneven distribution of the ozone catalyst in the tower body, so that the ozone and the ozone catalyst are mixed unevenly, and therefore, ozone reacts with wastewater before catalyzing ozone by the ozone catalyst, and the ozone utilization rate is too low, thereby increasing the use cost and the wastewater treatment duration when catalyzing ozone oxidation.
In view of this, in order to overcome the technical problems, the invention provides a CoSD reaction tower for advanced treatment of coal chemical wastewater, which solves the technical problems.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides the coal chemical industry wastewater advanced treatment CoSD reaction tower, and the utilization rate of ozone is improved by enhancing the mixing of ozone and an ozone catalyst in wastewater, so that the invention has the characteristics of high efficiency, convenience in operation, economy and practicability.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a coal chemical industry wastewater advanced treatment CoSD reaction tower, which comprises:
a tower body;
one end of the ozone pipe is communicated with the bottom of the tower body;
the feeding pipe is positioned on one side far away from the tower body, and an opening at the bottom of the feeding pipe is communicated with the outer wall of the ozone pipe;
the ozone booster pump is positioned on one side far away from the tower body, and a first air inlet of the ozone booster pump is communicated with the other end of the ozone pipe;
the ozone generator is positioned on one side close to the ozone booster pump, and a third air outlet of the ozone generator is communicated with a first air inlet of the ozone booster pump;
and the feeding unit is positioned in the feeding pipe and is used for controlling the feeding of the catalyst.
Preferably, the feeding unit includes motor, electric putter, check valve, feed inlet, piston, the motor is located the inlet pipe top, the motor is used for the drive electric putter, electric putter is located inside the inlet pipe, electric putter's one end has linked firmly the piston, the piston with inlet pipe inner wall sliding connection, the check valve is located the lower extreme opening of inlet pipe, the feed inlet with inlet pipe upper portion outer wall intercommunication.
Preferably, the feeding unit comprises an air pump, a feeding cover and a one-way valve; the air pump is located the tower body with between the inlet pipe just No. two outlet ducts of air pump with the inlet pipe lateral wall intercommunication, the feeding lid with the inlet pipe top is connected, is used for control the circulation of gas in the trachea.
Preferably, the lateral wall intercommunication of inlet pipe has tracheal one end, tracheal other end with the ozone pipe intercommunication, the intraductal control valve that is equipped with of trachea, ozone detector is installed to the inlet pipe inner wall.
Preferably, the second air outlet of the air pump is communicated with the outer wall of the tower body through an air outlet pipe, and the feeding cover is provided with a vacuum pressure release valve.
Preferably, the inside bottom surface central point of tower body puts and is equipped with the intake pipe, the intake pipe with the one end intercommunication of ozone pipe, intake pipe outer wall intercommunication has a plurality of aeration pipes, the outer wall of intake pipe bottom links firmly a plurality of row's material pipes, just arrange the material pipe with the inside intercommunication of intake pipe, the inner wall of intake pipe lower part has linked firmly the filter screen, the filter screen is used for filtering the catalyst, prevents the catalyst is stopped up the aeration pipe.
Preferably, the center position of the end face of the bottom of the filter screen bulges downwards.
Preferably, the opening direction of the discharge pipe is inclined upwards.
Preferably, including a plurality of rotating tubes and a plurality of fixed pipes in the intake pipe, it is a plurality of fixed pipe links firmly through a plurality of U type poles, the rotating tube is located between two fixed pipes, the rotating tube with the lower terminal surface of fixed pipe is equipped with annular T type groove, the rotating tube with the up end of fixed pipe is equipped with annular T type piece, annular T type piece with close annular T type groove rotates sealing connection.
Preferably, the inner wall of the rotating pipe is fixedly connected with a plurality of fan blades, and the aeration pipe is positioned on the outer wall of the rotating pipe.
The invention has the following beneficial effects:
1. according to the invention, the ozone and the ozone catalyst are mixed into the wastewater, so that the ozone and the ozone catalyst are fully mixed, the reaction efficiency of the ozone and the wastewater is improved, and the ozone-wastewater mixed reactor has the characteristics of high efficiency, convenience in operation, economy and practicability.
2. The ozone catalyst is discharged from the discharge port by the upward force of the pressurized ozone gas, the ozone catalyst continuously moves upwards under the action of the pressurized ozone gas in the wastewater, the rotating pipe in the air inlet pipe rotates to drive the aerator pipe to rotate in the wastewater, the aerator pipe can stir the wastewater when rotating to drive the wastewater to move in the tower body, and the ozone bubbles generated by the aerator pipe slightly drive the ozone catalyst to move, so that the ozone catalyst can break the ozone bubbles in the wastewater, the ozone catalyst and the ozone are uniformly mixed, the utilization rate of the ozone is increased, and the ozone and the wastewater can react more fully.
3. According to the invention, the feeding unit in the feeding pipe is used for controlling the ozone catalyst to enter the ozone pipe to be mixed with the ozone, and meanwhile, the utilization rate of the ozone gas is further utilized, so that the ozone pushes the ozone catalyst to be discharged from the feeding pipe, and an additional power source is reduced.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of one embodiment of FIG. 1;
FIG. 3 is a cross-sectional view of another embodiment of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 2 at C;
FIG. 5 is a partial cross-sectional view taken at B-B of FIG. 6;
FIG. 6 is an enlarged view of a portion of FIG. 2 at A;
in the figure: 1. a tower body; 2. an ozone tube; 21. an ozone booster pump; 211. a first air outlet; 212. a first air inlet; 22. an ozone generator; 221. a third air outlet; 3. a feed pipe; 31. a feed unit; 311. a motor; 312. an electric push rod; 313. a one-way valve; 314. a feed inlet; 315. a piston; 321. an air pump; 322. a feeding cover; 323. an ozone detector; 324. a vacuum relief valve; 325. a second air inlet; 326. a second air outlet; 327. an air outlet pipe; 33. an air pipe; 331. a control valve; 4. an air inlet pipe; 41. an aeration pipe; 42. a filter screen; 43. a discharge pipe; 44. rotating the tube; 45. a fixed tube; 46. a fan blade; 47. an annular T-shaped block; 48. a U-shaped rod; 49. an annular T-shaped groove; 5. a water inlet.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described in the following combined with the specific embodiments.
As shown in fig. 1-6;
example 1;
a coal chemical industry advanced wastewater treatment CoSD reaction tower comprises:
a tower body 1;
one end of the ozone pipe 2 is communicated with the bottom of the tower body 1;
the feeding pipe 3 is positioned on one side far away from the tower body 1, and an opening at the bottom of the feeding pipe 3 is communicated with the outer wall of the ozone pipe 2;
the ozone booster pump 21 is positioned on one side far away from the tower body 1, and a first air inlet 212 of the ozone booster pump 21 is communicated with the other end of the ozone pipe 2;
the ozone generator 22 is positioned at one side close to the ozone booster pump 21, and a third air outlet 221 of the ozone generator 22 is communicated with a first air inlet 212 of the ozone booster pump 21;
a feeding unit 31, said feeding unit 31 being located within said feeding pipe 3 for controlling the feeding of catalyst.
During operation, use ozone catalytic oxidation technique among the coal chemical industry advanced waste treatment scheme among the prior art, ozone catalytic oxidation has better treatment effect, preferred technique among the coal chemical industry advanced waste treatment than ozone oxidation. However, in the prior art, the ozone catalyst is required to be added from the side wall above the outer wall of the tower body once before ozone is introduced, and the ozone catalyst cannot be continuously added, and can be gradually accumulated at the bottom after entering the tower body, so that the ozone catalyst is not uniformly distributed in the tower body, and the ozone catalyst are not uniformly mixed, so that the ozone reacts with wastewater before the ozone catalyst catalyzes the ozone, the ozone utilization rate is too low, and the use cost and the wastewater treatment time during catalytic oxidation of the ozone are increased.
Therefore, the present invention provides a method for treating wastewater by introducing wastewater into the tower body 1 from the water inlet 5, opening the ozone generator 22 to provide ozone, allowing the ozone to enter the ozone pipe 2 through the ozone booster pump 21, allowing the ozone catalyst in the feed pipe 3 to enter the ozone pipe 2 under the action of the feed unit 31, allowing the ozone to carry the ozone catalyst into the air inlet pipe 4, allowing a part of the ozone and a part of the ozone to enter the tower body 1 from the discharge outlet to react with the wastewater, allowing another part of the ozone to circulate in the air inlet pipe 4 and to be discharged from the aeration pipe 41, allowing the ozone catalyst to have an excessively large bubble diameter in the wastewater and a small contact area with the water, allowing the ozone catalyst to be discharged from the discharge outlet by the upward force of the pressurized ozone gas and continuously moving upward, allowing the ozone catalyst to break the bubbles, increasing the contact area between the ozone and the wastewater, allowing the ozone catalyst to catalyze the acceleration of the reaction between the ozone and the wastewater, allowing the ozone to flow in the air inlet pipe 4, allowing the ozone pressurized ozone to drive the fixed to rotate 46 on the inner wall of the rotation pipe 44, allowing the blade 46 to drive the rotation pipe 44 to rotate, thereby allowing the aeration pipe 41 to stir in the wastewater, and the wastewater to move, and allowing the blade 43 to further increasing the effect of the wastewater discharged from the tower body, and the wastewater, thereby allowing the wastewater to be treated by the wastewater to be discharged from the wastewater.
The invention controls the feeding speed of the ozone catalyst by controlling the feeding unit 31, so that the ozone and the ozone catalyst enter the wastewater together, and the pressurized ozone gas drives the rotating pipe 44 to rotate, so that the aeration pipe 41 fixedly connected to the rotating pipe 44 is stirred in the wastewater, the sufficient contact between the ozone and the ozone catalyst is ensured, and the ozone and the wastewater are fully reacted.
In this embodiment, referring to the attached drawing 2 in the specification, the feeding unit 31 includes a motor 311, an electric push rod 312, a check valve 313, a feeding port 314, and a piston 315, the motor 311 is located the top of the feeding pipe 3, the motor 311 is used for driving the electric push rod 312, the electric push rod 312 is located inside the feeding pipe 3, one end of the electric push rod 312 is fixedly connected with the piston 315, the piston 315 is connected to an inner wall of the feeding pipe 3 in a sliding manner, the check valve 313 is located at a lower end opening of the feeding pipe 3, and the feeding port 314 is communicated with an upper outer wall of the feeding pipe 3.
When the ozone generator works, a worker opens the motor 311, so that the piston 315 moves upwards to leak out of the feeding hole 314, the ozone catalyst enters from the feeding hole 314, then the piston 315 moves downwards, the air pressure in the feeding pipe 3 is changed through the piston 315, the ozone catalyst enters into the ozone pipe 2 through the check valve 313 in the opening at the lower end of the feeding hole 314, the ozone gas after the ozone catalyst is pressurized is brought into the tower body 1 to react with wastewater, the ozone and the wastewater can be fully mixed and reacted when the ozone and the wastewater react, and the utilization rate of the ozone is increased.
Example 2;
the difference from example 1 is that:
in this embodiment, referring to fig. 3 of the specification, the feeding unit 31 includes an air pump 321, a feeding cover 322, and a one-way valve 313; the air pump 321 is located the tower body 1 with between the inlet pipe 3 just No. two air inlets 325 of air pump 321 with the 3 lateral walls of inlet pipe intercommunication, feeding lid 322 with the 3 top of inlet pipe are connected, are used for control the interior gas circulation of trachea 33.
When the ozone generator works, a worker opens the feeding cover 322, pours the ozone catalyst into the feeding pipe 3 from the feeding cover 322, covers the feeding cover 322, opens the air pump 321, and increases the pressure inside the feeding pipe 3 by adding air into the feeding pipe 3 through the second air inlet 325 by the air pump 321, so that the ozone catalyst enters the ozone pipe 2 from the one-way valve 313, and the pressurized ozone gas of the ozone catalyst is brought into the tower body 1 to react with wastewater, so that the ozone can be fully mixed and reacted with the wastewater when reacting, and the utilization rate of the ozone is increased.
Example 3;
the difference from example 2 is that:
in this embodiment, referring to fig. 3 of the specification, the side wall of the feeding pipe 3 is communicated with one end of an air pipe 33, the other end of the air pipe 33 is communicated with the ozone pipe 2, a control valve 331 is arranged in the air pipe 33, and an ozone detector 323 is arranged on the inner wall of the feeding pipe 3.
When the ozone generator works, a worker opens the feeding cover 322, pours the ozone catalyst into the feeding pipe 3 from the feeding cover 322, covers the feeding cover 322, opens the control valve 331 in the air pipe 33, enables a part of ozone in the ozone pipe 2 to enter the feeding pipe 3 from the air pipe 33, enables the internal pressure of the feeding pipe 3 to be increased, enables the ozone catalyst to enter the ozone pipe 2 from the one-way valve 313, and brings the ozone gas after the ozone catalyst is pressurized into the tower body 1 to react with wastewater; when the staff need add the ozone catalyst, close control valve 331 in the trachea 33, open air pump 321 and discharge the ozone in the inlet pipe 3 from inlet pipe 3 lower extreme opening part, can open feed cover 322 after ozone detector 323 detects that ozone content approaches to 0 or is very harmless to the environment human body, pour the ozone catalyst into inlet pipe 3 from feed cover 322 and can supply the ozone catalyst, increased the utilization ratio of ozone, this simple structure is convenient simultaneously, the actual service behavior of machine has been improved.
In this embodiment, referring to fig. 3 in the specification, the second air outlet 326 of the air pump 321 is communicated with the outer wall of the tower body 1 through an air outlet pipe 327, and the feeding cover 322 is provided with a vacuum pressure relief valve 324.
When the device works, a worker directly discharges ozone in the feeding pipe 3 into the tower body 1 through the air pump 321 until the ozone detector 323 detects that the ozone content in the feeding pipe 3 approaches to 0 or the ozone content in the feeding pipe 3 is harmless to a human body or the environment, so that the ozone reacts with wastewater, and the utilization rate of the ozone is increased; meanwhile, after ozone in the feeding pipe 3 enters the tower body 1, the pressure inside the feeding pipe 3 is reduced, so that the pressure in the air inlet pipe 4 is equal to the atmospheric pressure through the vacuum pressure relief valve 324 arranged on the feeding cover 322, and the ozone catalyst can be supplemented by opening the feeding cover 322, so that the safety and the practical use effect of the machine are improved.
Example 4;
the difference from example 1 is that:
in this embodiment, refer to description attached drawing 2 or 3, the bottom surface central point of tower body 1 inside puts and is equipped with intake pipe 4, intake pipe 4 with ozone pipe 2's one end intercommunication, 4 outer wall intercommunications of intake pipe have a plurality of aeration pipes 41, the outer wall of 4 bottoms of intake pipe links firmly a plurality of row material pipes 43, just arrange material pipe 43 with the inside intercommunication of intake pipe 4, the inner wall of 4 lower parts of intake pipe has linked firmly filter screen 42, filter screen 42 is used for filtering the catalyst, prevents the catalyst from plugging up aeration pipe 41.
During operation, intake pipe 4 includes aeration pipe 41, filter screen 42, arrange material pipe 43, the bottom surface central point of tower body 1 inside puts and is equipped with intake pipe 4, intake pipe 4 communicates with the one end of ozone pipe 2, 4 outer wall intercommunications in the intake pipe have a plurality of aeration pipes 41, the outer wall of intake pipe 4 bottom links firmly a plurality of row material pipes 43, and arrange material pipe 43 and the inside intercommunication of intake pipe 4, the inner wall of intake pipe 4 lower part has linked firmly filter screen 42, the staff discharges ozone and ozone catalyst from ozone pipe 2 into intake pipe 4 together, filter screen 42 in the intake pipe 4 prevents that ozone catalyst from passing through, make it discharge to in the waste water from the bin outlet, prevent that ozone catalyst from plugging up aeration pipe 41, ozone gas through filter screen 42 moves towards intake pipe 4 top, discharge in the waste water in the aeration pipe on the lateral wall of intake pipe 4, ozone gas stirring rivers that comes out through the aeration pipe, the abundant reaction of ozone and waste water has been guaranteed.
In this embodiment, referring to fig. 6 of the specification, the central position of the bottom end surface of the filter screen 42 is bulged downward.
When the ozone generator works, ozone drives the ozone catalyst to enter the air inlet pipe together, the center of the end face of the bottom of the filter screen 42 is bulged downwards, the downward bulged filter screen 42 separates the ozone catalyst to the periphery when the ozone catalyst reaches the position of the filter screen 42, and the ozone enters the fixed pipe 45 and the rotating pipe 44 from the middle of the filter screen 42, so that the ozone catalyst is prevented from blocking the filter screen 42, and the full reaction of the ozone and the wastewater is ensured.
Example 5;
the difference from example 4 is that:
in this embodiment, referring to fig. 6 of the specification, the opening direction of the discharge pipe 43 is inclined upward.
During operation, the ozone catalyst is discharged from the discharge opening of the arc-shaped pipeline through the filter screen 42 under the action of the pressurized ozone, so that the ozone catalyst is smoothly discharged, the ozone catalyst is prevented from being blocked at the discharge opening, and the sufficient reaction of the ozone and the wastewater is ensured.
In this embodiment, referring to fig. 6 in the specification, the air inlet pipe 4 includes a plurality of rotating pipes 44 and a plurality of fixed pipes 45, the plurality of fixed pipes 45 are fixedly connected through a plurality of U-shaped rods 48, the rotating pipe 44 is located between the two fixed pipes 45, an annular T-shaped groove 49 is formed in the lower end surfaces of the rotating pipe 44 and the fixed pipes 45, an annular T-shaped block 47 is formed in the upper end surfaces of the rotating pipe 44 and the fixed pipes 45, and the annular T-shaped block 47 is connected with the adjacent annular T-shaped groove 49 in a rotating and sealing manner.
During operation, the intake pipe 4 includes the aeration pipe 41, the filter screen 42, arrange the material pipe 43, the rotating tube 44, the fixed pipe 45, annular T type piece 47, U type pole 48, annular T type groove 49, it links firmly with the ground inside the tower body 1 to arrange the material pipe 43 bottom, the staff is equipped with annular T type groove 49 at the lower terminal surface of rotating tube 44 and fixed pipe 45, the upper end of rotating tube 44 and fixed pipe 45 is equipped with annular T type piece 47, annular T type piece 47 and annular T type groove 49 rotate the sealing connection, make between rotating tube 44 and the fixed pipe 45 reach sealed effect through annular T type piece 47, prevent that waste water from getting into inside intake pipe 4 between rotating tube 44 and the fixed pipe 45 connection face, cause waste water to fall inside intake pipe 4, reduce ozone gas's velocity of movement in intake pipe 4, along with the time increase, the waste water that gets into in intake pipe 4 increases gradually and can block up the inside intake pipe 4, make ozone gas can's unable discharge through aeration pipe 41, therefore prevent that waste water intake pipe is necessary, so the structure has improved the practicality of equipment, and the staff passes through the fixed pipe 45 connection, make the pressure of the fixed pipe 45 influence on the rotating pipe 44 and can not reduce the effect of the gravity of this rotation, thereby when the utility of this structure has improved.
In this embodiment, referring to fig. 6 of the specification, the inner wall of the rotating pipe 44 is fixedly connected with a plurality of fan blades 46, and the aeration pipe 41 is located on the outer wall of the rotating pipe 44.
During operation, intake pipe 4 includes aeration pipe 41, the filter screen 42, arrange material pipe 43, rotating tube 44, fixed pipe 45, flabellum 46, annular T type piece 47, U type pole 48, annular T type groove 49, aeration pipe 41 is located the outer wall of rotating tube 44, and aeration pipe 41 and the inside intercommunication of rotating tube 44, ozone that gets into in intake pipe 4 drives the flabellum 46 that the inner wall of rotating tube 44 linked firmly and rotates, make rotating tube 44 rotate, rotating tube 44 drives aeration pipe 41 and stirs waste water simultaneously, the bubble that aeration pipe 41 produced also can produce certain vortex effect to waste water simultaneously, make ozone catalyst constantly move in tower body 1, increase the mixed degree of ozone catalyst in tower body 1, the utilization ratio of ozone has been improved.
Claims (10)
1. A coal chemical industry advanced wastewater treatment CoSD reaction tower comprises:
a tower body (1);
one end of the ozone pipe (2) is communicated with the bottom of the tower body (1);
the feeding pipe (3) is positioned on one side far away from the tower body (1), and an opening in the bottom of the feeding pipe (3) is communicated with the outer wall of the ozone pipe (2);
the ozone booster pump (21) is positioned on one side far away from the tower body (1), and a first air inlet (212) of the ozone booster pump (21) is communicated with the other end of the ozone pipe (2);
the ozone generator (22) is positioned at one side close to the ozone booster pump (21), and a third air outlet (221) of the ozone generator (22) is communicated with a first air inlet (212) of the ozone booster pump (21);
it is characterized by also comprising:
a feed unit (31), the feed unit (31) being located within the feed pipe (3) for controlling the feeding of ozone catalyst.
2. The coal chemical industry wastewater advanced treatment CoSD reaction tower according to claim 1, characterized in that: feed unit (31) includes motor (311), electric putter (312), check valve (313), feed inlet (314), piston (315), motor (311) are located inlet pipe (3) top, motor (311) are used for the drive electric putter (312), electric putter (312) are located inside inlet pipe (3), the one end of electric putter (312) has linked firmly piston (315), piston (315) with inlet pipe (3) inner wall sliding connection, check valve (313) are located the lower extreme opening of inlet pipe (3), feed inlet (314) with inlet pipe (3) upper portion outer wall intercommunication.
3. The coal chemical industry wastewater advanced treatment CoSD reaction tower according to claim 1, characterized in that: the feeding unit (31) comprises an air pump (321), a feeding cover (322) and a one-way valve (313); air pump (321) are located tower body (1) with between inlet pipe (3) just No. two air inlets (325) of air pump (321) with inlet pipe (3) lateral wall intercommunication, feeding lid (322) with inlet pipe (3) top is connected, is used for control gaseous circulation in trachea (33).
4. The coal chemical industry wastewater advanced treatment CoSD reaction tower according to claim 3, characterized in that: the lateral wall intercommunication of inlet pipe (3) has the one end of trachea (33), the other end of trachea (33) with ozone pipe (2) intercommunication, be equipped with control valve (331) in trachea (33), ozone detector (323) are installed to inlet pipe (3) inner wall.
5. The coal chemical industry wastewater advanced treatment CoSD reaction tower according to claim 4, characterized in that: no. two gas outlets (326) of air pump (321) with tower body (1) outer wall passes through outlet duct (327) intercommunication, install vacuum relief valve (324) on feeding lid (322).
6. The coal chemical industry wastewater advanced treatment CoSD reaction tower according to claim 4, characterized in that: tower body (1) inside bottom surface central point puts and is equipped with intake pipe (4), intake pipe (4) with the one end intercommunication of ozone pipe (2), intake pipe (4) outer wall intercommunication has a plurality of aeration pipe (41), the outer wall of intake pipe (4) bottom links firmly a plurality of row and expects pipe (43), just arrange material pipe (43) with intake pipe (4) inside intercommunication, intake pipe (4) lower part's inner wall has linked firmly filter screen (42), filter screen (42) are used for filtering the catalyst, prevent the catalyst blocks up aeration pipe (41).
7. The coal chemical industry wastewater advanced treatment CoSD reaction tower according to claim 6, characterized in that: the center of the end face of the bottom of the filter screen (42) is bulged downwards.
8. The coal chemical industry wastewater advanced treatment CoSD reaction tower according to claim 6 or 7, characterized in that: the opening direction of the discharge pipe (43) is inclined upwards.
9. The coal chemical industry wastewater advanced treatment CoSD reaction tower according to claim 6, characterized in that: intake pipe (4) are gone up including a plurality of rotating tubes (44) and a plurality of fixed pipe (45), and are a plurality of fixed pipe (45) link firmly through a plurality of U type poles (48), rotating tube (44) are located between two fixed pipe (45), rotating tube (44) with the lower terminal surface of fixed pipe (45) is equipped with annular T type groove (49), rotating tube (44) with the up end of fixed pipe (45) is equipped with annular T type piece (47), annular T type piece (47) and close annular T type groove (49) rotate sealing connection.
10. The coal chemical industry wastewater advanced treatment CoSD reaction tower according to claim 9, wherein: the inner wall of the rotating pipe (44) is fixedly connected with a plurality of fan blades (46), and the aeration pipe (46) is positioned on the outer wall of the rotating pipe (44).
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