CN214990516U

CN214990516U - Get rid of effectual inner loop ozone catalytic oxidation sewage treatment device

Info

Publication number: CN214990516U
Application number: CN202120200882.1U
Authority: CN
Inventors: 李丰登; 孙长城; 桑书梅
Original assignee: Henan Hongkang Environmental Protection Technology Co ltd
Current assignee: Henan Hongkang Environmental Protection Technology Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-12-03
Anticipated expiration: 2031-01-25

Abstract

The utility model provides a get rid of effectual inner loop ozone catalytic oxidation sewage treatment device, which comprises a reactor, the reactor bottom sets up the mixed entry of aqueous vapor, the mixed entry of aqueous vapor and feed liquor pipe intercommunication, it adds the mechanism to set up ozone on the feed liquor pipe, reactor upper portion sets up gas circulation mechanism and sewage circulation mechanism, gas circulation mechanism and the lower part intercommunication of reactor, the lower part intercommunication of sewage circulation mechanism and reactor, the upper end of reactor sets up the gas vent, the upper portion of reactor sets up the outlet, set up the catalyst bed in the reactor. The utility model discloses make sewage and ozone mix in advance, prolong reaction time to with the sewage and the waste gas recirculation at reactor top, make sewage pass through the catalyst bed many times, reaction time prolongs, and is higher to the result of use of ozone.

Description

Get rid of effectual inner loop ozone catalytic oxidation sewage treatment device

Technical Field

The utility model relates to a sewage treatment device technical field, concretely relates to get rid of effectual inner loop ozone catalytic oxidation sewage treatment device.

Background

With the increasing national environmental standards and the requirement of sewage recycling, the traditional sewage treatment technology is difficult to meet the technical requirement, so that the technical requirement of sewage advanced treatment is provided. The advanced oxidation technology is a new water treatment technology, can generate strong oxidation free radicals such as hydroxyl free radicals and the like in the reaction process, greatly improves the oxidation capacity, and effectively degrades pollutants in water. As one of the advanced oxidation technologies, ozone oxidation or catalytic ozone oxidation has been developed rapidly due to its good treatment effect and simple operation, and there are industrial cases in which ozone oxidation or catalytic ozone oxidation is performed.

Ozone oxidation or ozone catalytic oxidation mainly adopts perforated pipe or micropore aeration mode at present to let in ozone in the sewage, because ozone forms the bubble great in the sewage, and the dissolution rate is lower to lead to ozone low-usage, the ozone content is more in the exhaust tail gas.

The existing ozone catalytic oxidation reactor has the main problems that: 1. The ozone which is not dissolved and reacted in the tail gas after the reaction is not recovered is discharged after being treated by the ozone decomposer, so that the waste of the ozone is caused, and the utilization rate of the ozone is lower. 2. Dissolved ozone which is not available for reaction in the sewage is directly discharged, and if the subsequent sewage treatment is connected with a biological treatment unit, the sewage needs to be subjected to treatments such as ozone stripping and the like, so that the treatment procedures are increased on one hand, and the ozone waste is caused on the other hand. 3. The residence time of the sewage in the reactor is generally 0.5-1.0 hour, part of substances which are difficult to oxidize in the sewage are discharged without being oxidized in time, and the reaction depth is not enough, so that the sewage treatment efficiency is not high.

Therefore, an internal circulation ozone catalytic oxidation sewage treatment device with good removal effect is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a get rid of effectual inner loop ozone catalytic oxidation sewage treatment device for sewage and ozone mix in advance, extension reaction time, and with the sewage and the waste gas recirculation at reactor top, make sewage pass through the catalyst bed many times, the reaction time extension, it is higher to the result of use of ozone.

For solving the technical problem, the utility model provides a get rid of effectual inner loop ozone catalytic oxidation sewage treatment device, which comprises a reactor, the reactor bottom sets up the mixed entry of aqueous vapor, the mixed entry of aqueous vapor and feed liquor pipe intercommunication, it adds the mechanism to set up ozone on the feed liquor pipe, reactor upper portion sets up gas circulation mechanism and sewage circulation mechanism, gas circulation mechanism and the lower part intercommunication of reactor, the lower part intercommunication of sewage circulation mechanism and reactor, the upper end of reactor sets up the gas vent, the upper portion of reactor sets up the outlet, set up the catalyst bed in the reactor.

Further, ozone adds the hybrid tube that the mechanism includes setting up on the feed liquor pipe, the hybrid tube inboard sets up the first gas shower nozzle of a plurality of, first gas shower nozzle and high pressure mechanism intercommunication of admitting air, high pressure mechanism and ozone generator intercommunication of admitting air.

Further, the air injection direction of the first air nozzle is opposite to the sewage flow direction.

Further, high pressure mechanism of admitting air includes the first pipeline with ozone generator intercommunication, first pipeline tip intercommunication sets up the gasbag, the other end of gasbag sets up the second pipeline, set up first check valve on the second pipeline, second pipeline and air feed cylinder bottom intercommunication, air feed cylinder bottom still communicates with the third pipeline, third pipeline and first gas nozzle intercommunication, set up the second check valve on the third pipeline, set up piston plate and piston rod in the air feed cylinder, the piston rod is connected with telescopic push rod.

Further, set up mixing mechanism on the feed liquor pipe, mixing mechanism is located ozone and adds the low reaches of mechanism, mixing mechanism is including setting up the mixing box on the feed liquor pipe, set up the support in the mixing box, the rotation sets up the pivot on the support, set up stirring vane in the pivot, the pivot is connected with the actuating mechanism transmission.

Furthermore, the driving mechanism comprises a transmission hole formed in the mixing box, a driving shaft is inserted into the transmission hole and is in transmission connection with the rotating shaft through a bevel gear, a sealing ring is arranged in the transmission hole, and the outer end of the driving shaft is in transmission connection with the motor.

Further, the gas circulation mechanism comprises a gas pump arranged at the upper end in the reactor, the gas pump is communicated with the first circulation pipeline, and the lower end of the first circulation pipeline extends into the lower part of the reactor and is provided with a second gas nozzle.

Furthermore, a first outlet is arranged at the upper end of the reactor, the first circulating pipeline is inserted into the reactor through the first outlet, the first outlet and the first circulating pipeline are welded and sealed, a first inlet is arranged at the lower part of the reactor, the first circulating pipeline is inserted into the reactor through the first inlet and is provided with a second gas nozzle, and the first inlet and the first circulating pipeline are welded and sealed.

Further, the sewage circulating mechanism comprises a water pump arranged in the reactor, the water pump is communicated with a second circulating pipeline, and the lower end of the second circulating pipeline is communicated with the lower part of the reactor.

Furthermore, a second outlet is arranged at the upper end of the reactor, the second circulating pipeline is inserted into the reactor through the second outlet, the second outlet and the second circulating pipeline are sealed through welding, a second inlet is arranged at the lower part of the reactor, and the lower end of the second circulating pipeline is communicated with the second inlet through welding.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

water gas mixing inlet and feed liquor pipe intercommunication, sewage enters into through water gas mixing inlet from the feed liquor pipe and enters into the reactor like this, and ozone on the feed liquor pipe adds the mechanism and can add ozone when sewage enters into, can accelerate the mixing time of ozone and sewage like this and let both contact more evenly. The reactor is provided with a gas circulation mechanism and a sewage circulation mechanism, the gas circulation mechanism can send the gas at the upper part of the reactor into the lower part of the reactor again to react with the sewage, and the gas contains a large amount of ozone, so that the utilization rate of the ozone can be increased. And the sewage circulating mechanism can pump the sewage at the top out and send the sewage into the lower part of the reactor, so that the sewage can circularly flow in the reactor and pass through the catalyst bed layer for many times, and the effect of the catalyst is better. The upper part of the reactor is provided with an exhaust port from which residual waste gas can be discharged after ozone is recycled for multiple times, the exhaust port can be communicated with a waste gas pipeline, a valve is arranged on the waste gas pipeline to control opening and closing, a water outlet of the reactor discharges treated sewage, the water outlet is positioned above the catalyst bed layer, and the valve is also arranged to control opening and closing.

The utility model discloses make sewage and ozone mix in advance, prolong reaction time to with the sewage and the waste gas recirculation at reactor top, make sewage pass through the catalyst bed many times, reaction time prolongs, and is higher to the result of use of ozone.

Drawings

FIG. 1 is a schematic structural view of an internal circulation ozone catalytic oxidation sewage treatment device with a good removal effect;

fig. 2 is a schematic structural diagram of the ozone adding mechanism and the mixing mechanism of the present invention.

1. A first circulation line; 2. a first outlet; 3. an air pump; 4. a reactor; 5. an exhaust port; 6. a water pump; 7. a second outlet; 8. a second circulation line; 9. a water outlet; 10. a catalyst bed layer; 11. a second inlet; 12. a second gas showerhead; 13. a first inlet; 14. a water-gas mixing inlet; 15. a liquid inlet pipe; 16. a mixing mechanism; 17. an ozone adding mechanism; 18. a mixing box; 19. a stirring blade; 20. a rotating shaft; 21. a support; 22. a bevel gear; 23. a motor; 24. a drive bore; 25. a drive shaft; 26. a mixing tube; 27. a first gas showerhead; 28. an ozone generator; 29. a second one-way valve; 30. a third pipeline; 31. a piston plate; 32. an air supply cylinder; 33. a piston rod; 34. a telescopic push rod; 35. a second conduit; 36. a first check valve; 37. an air bag; 38. a first conduit.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1-2 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

As shown in fig. 1-2: the utility model provides a get rid of effectual inner loop ozone catalytic oxidation sewage treatment device, includes reactor 4, 4 bottoms of reactor set up water-gas mixture entry 14, water-

gas mixture entry

14 and 15 intercommunications of feed liquor pipe, it adds mechanism 17 to set up ozone on the feed liquor pipe 15, 4 upper portions of reactor set up gas circulation mechanism and sewage circulation mechanism, gas circulation mechanism and reactor 4's lower part intercommunication, sewage circulation mechanism and reactor 4's lower part intercommunication, the upper end of reactor 4 sets up gas vent 5, the upper portion of reactor 4 sets up outlet 9, set up catalyst bed 10 in the reactor 4.

Particularly, the water-gas mixing inlet enables sewage to be mixed with ozone before entering, contact time is prolonged in the pipeline, and the pipeline is rolled inwards to enable the mixing to be more sufficient, so that the dissolving effect of the ozone is better. The water vapor enters from the bottom of the reactor, and finally the sewage and the ozone pass through the catalyst bed layer together, so that the reaction speed and the reaction efficiency are improved. The gas circulation mechanism extracts ozone at the upper end of the reactor and injects the ozone into the bottom of the reactor, so that the ozone continuously participates in the reaction, and the utilization rate of the ozone is improved. In addition, sewage circulation mechanism takes upper portion sewage out once more and pours into the reactor lower part into, and sewage can pass through the catalyst bed layer many times like this for inside sewage circulates from top to bottom, improves greatly like this to the rate of utilization of ozone for the oxidation effect can be better. The water outlet and the air outlet are conventionally arranged, are closed during the reaction, are closed by other mechanisms after the reaction is finished, are opened, and finally discharge waste gas and sewage. It should be noted that the reactor is provided with a pressure gauge which can observe the internal pressure, thereby adjusting the ozone injection amount.

According to one embodiment of the present invention, as shown in figures 1 and 2,

the ozone adding mechanism 17 comprises a mixing pipe 26 arranged on the liquid inlet pipe 15, a plurality of first gas nozzles 27 are arranged on the inner side of the mixing pipe 26, the first gas nozzles 27 are communicated with a high-pressure gas inlet mechanism, and the high-pressure gas inlet mechanism is communicated with an ozone generator 28. The air injection direction of the first air nozzle 27 is opposite to the sewage flow direction. The hybrid tube intercommunication sets up on the feed liquor pipe, and the hybrid tube passes through screw thread sealing connection with the feed liquor pipe in the picture, and first gas shower nozzle has adopted one, sets up in the center of hybrid tube, and its gaseous spun direction is relative with sewage flow direction for gaseous and sewage collision are broken up, and the effect of mixing can be better. The high-pressure air inlet mechanism is communicated with the ozone generator, the ozone generator leads the generated ozone into the high-pressure air inlet mechanism, and the high-pressure air inlet mechanism can pressurize to send the ozone into the liquid inlet pipe.

The high pressure mechanism of admitting air includes the first pipeline 38 with ozone generator 28 intercommunication, first pipeline 38 tip intercommunication sets up gasbag 37, the other end of gasbag 37 sets up second pipeline 35, set up first check valve 36 on the second pipeline 35, second pipeline 35 and air feed cylinder 32 bottom intercommunication, air feed cylinder 32 bottom still communicates with third pipeline 30, third pipeline 30 and first gas shower nozzle 27 intercommunication, set up second check valve 29 on the third pipeline 30, set up piston plate 31 and piston rod 33 in the air feed cylinder 32, piston rod 33 is connected with telescopic push rod 34. The main part of high pressure mechanism of admitting air relies on the air feed cylinder to realize, and ozone of mechanism takes place in ozone at first enters into the gasbag, and the gasbag volume can change, can prestore a large amount of ozone like this, and flexible push rod outwards pulls out the piston plate during bleeding for ozone enters into the air feed cylinder in following the gasbag, and first check valve is the open mode this moment, and the second check valve is the closed mode. After air suction is finished, the telescopic push rod pushes the piston plate inwards, ozone of the ozone generator is gathered in the air bag at the moment, the first one-way valve is closed, the ozone in the air supply cylinder enters the third pipeline, the second one-way valve is opened, and the ozone enters the first gas nozzle, so that the ozone is sprayed out at a high speed. The pumping cycle then continues. The third pipeline welds or sets up the sealing ring with the reservation hole on the hybrid tube for the hybrid tube is sealed abundant, and sewage can not spill over.

set up mixing mechanism 16 on feed liquor pipe 15, mixing mechanism 16 is located ozone and adds the low reaches of mechanism 17, mixing mechanism 16 is including setting up mixing box 18 on feed liquor pipe 15, set up support 21 in the mixing box 18, the rotatory pivot 20 that sets up on the support 21, set up stirring vane 19 in the pivot 20, pivot 20 is connected with the actuating mechanism transmission. The mixing mechanism can increase the mixing contact effect of the ozone and the sewage by stirring after the ozone is in contact with and mixed with the sewage, so the mixing mechanism is positioned at the downstream of the ozone adding mechanism. The mixing box is arranged on the liquid inlet pipe and can be connected in a sealing way by threads. After sewage and ozone got into the mixing box, the pivot on the support passed through actuating mechanism and drives for stirring vane fast revolution, thereby stirs sewage, breaks up ozone and sewage, carries out the mixing.

The driving mechanism comprises a transmission hole 24 arranged on the mixing box 18, a driving shaft 25 is inserted into the transmission hole 24, the driving shaft 25 is in transmission connection with the rotating shaft 20 through a bevel gear 22, a sealing ring is arranged in the transmission hole 24, and the outer end of the driving shaft 25 is in transmission connection with a motor 23. The driving mechanism is realized by a motor, a driving shaft is arranged on the motor, the driving shaft is inserted into the mixing box from a transmission hole on the mixing box and is connected with the rotating shaft through bevel gear transmission, and the rotating shaft can be driven to rotate when the motor rotates. A sealing ring is arranged in the transmission shaft, and rotary sealing can be adopted, so that the transmission hole can be sealed while the driving shaft can rotate.

In one embodiment of the present invention, as shown in figure 1,

the gas circulation mechanism comprises a gas pump 3 arranged at the upper end in the reactor 4, the gas pump 3 is communicated with the first circulation pipeline 1, and the lower end of the first circulation pipeline 1 extends into the lower part of the reactor 4 and is provided with a second gas nozzle 12. The upper end of reactor 4 sets up first export 2, inside first circulation pipeline 1 inserted reactor 4 through first export 2, first export 2 and first circulation pipeline 1 welded seal, the lower part of reactor 4 sets up first entry 13, first circulation pipeline 1 inserts reactor 4 through first entry 13 inside second gas shower nozzle 12 that sets up, first entry 13 passes through welded seal with first circulation pipeline 1. The air pump is positioned at the upper end in the reactor, and sewage is not hidden by the air pump, so that the air pump can pressurize ozone and feed the ozone to the lower part of the reactor, and the ozone participates in the reaction again. The upper end of the first circulating pipeline is inserted into the reactor, and the joint of the first circulating pipeline and the reactor can be welded or the first circulating pipeline and the reactor are directly cast integrally. The lower end of the first circulating pipeline is also inserted into the reactor and is provided with a second gas nozzle, and the pressurized ozone is sprayed out from the second gas nozzle at a high speed, so that the effect is better.

In one embodiment of the present invention, as shown in figure 1,

the sewage circulating mechanism comprises a water pump 6 arranged in the reactor 4, the water pump 6 is communicated with a second circulating pipeline 8, and the lower end of the second circulating pipeline 8 is communicated with the lower part of the reactor 4. The upper end of the reactor 4 is provided with a second outlet 7, the second circulating pipeline 8 is inserted into the reactor 4 through the second outlet 7, the second outlet 7 and the second circulating pipeline 8 are sealed through welding, the lower part of the reactor 4 is provided with a second inlet 11, and the lower end of the second circulating pipeline 8 is communicated with the second inlet 11 through welding. The sewage circulating mechanism makes sewage circulate up and down in the reactor, and the water pump is arranged at the upper end of the reactor, but the sewage is hidden by the water pump, so that the water pump is used for sending the sewage into the second circulating pipeline and to the lower part of the reactor. The lower end of the second circulating pipeline is directly communicated with a second inlet at the lower part of the reactor, and the water injection pressure of the water pump does not need to be too large, so that the sewage can be circulated up and down.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a get rid of effectual inner loop ozone catalytic oxidation sewage treatment device which characterized in that: including reactor (4), reactor (4) bottom sets up aqueous vapor mixing inlet (14), aqueous vapor mixing inlet (14) and feed liquor pipe (15) intercommunication, it adds mechanism (17) to set up ozone on feed liquor pipe (15), reactor (4) upper portion sets up gas circulation mechanism and sewage circulation mechanism, the lower part intercommunication of gas circulation mechanism and reactor (4), the lower part intercommunication of sewage circulation mechanism and reactor (4), the upper end of reactor (4) sets up gas vent (5), the upper portion of reactor (4) sets up outlet (9), set up catalyst bed (10) in reactor (4).

2. The internal circulation ozone catalytic oxidation sewage treatment device with good removal effect as claimed in claim 1, wherein: ozone adds mechanism (17) and includes mixing tube (26) that set up on feed liquor pipe (15), mixing tube (26) inboard sets up a plurality of first gas shower nozzle (27), first gas shower nozzle (27) and high pressure mechanism's intercommunication of admitting air, high pressure mechanism and ozone generator (28) intercommunication of admitting air.

3. The internal circulation ozone catalytic oxidation sewage treatment device with good removal effect as claimed in claim 2, wherein: high pressure mechanism of admitting air includes first pipeline (38) with ozone generator (28) intercommunication, first pipeline (38) tip intercommunication sets up gasbag (37), the other end of gasbag (37) sets up second pipeline (35), set up first check valve (36) on second pipeline (35), second pipeline (35) and air feed cylinder (32) bottom intercommunication, air feed cylinder (32) bottom still communicates with third pipeline (30), third pipeline (30) and first gas shower nozzle (27) intercommunication, set up second check valve (29) on third pipeline (30), set up piston plate (31) and piston rod (33) in air feed cylinder (32), piston rod (33) are connected with flexible push rod (34).

4. The internal circulation ozone catalytic oxidation sewage treatment device with good removal effect as claimed in claim 3, wherein: set up mixing mechanism (16) on feed liquor pipe (15), mixing mechanism (16) are located the low reaches that ozone adds mechanism (17), mixing mechanism (16) are including setting up mixing box (18) on feed liquor pipe (15), set up support (21) in mixing box (18), rotation sets up pivot (20) on support (21), set up stirring vane (19) on pivot (20), pivot (20) are connected with the actuating mechanism transmission.

5. The internal circulation ozone catalytic oxidation sewage treatment device with good removal effect as claimed in claim 4, wherein: the driving mechanism comprises a transmission hole (24) formed in the mixing box (18), a driving shaft (25) is inserted into the transmission hole (24), the driving shaft (25) is in transmission connection with the rotating shaft (20) through a bevel gear (22), a sealing ring is arranged in the transmission hole (24), and the outer end of the driving shaft (25) is in transmission connection with a motor (23).

6. The internal circulation ozone catalytic oxidation sewage treatment device with good removal effect as claimed in claim 5, wherein: the gas circulation mechanism comprises a gas pump (3) arranged at the upper end in the reactor (4), the gas pump (3) is communicated with the first circulation pipeline (1), and the lower end of the first circulation pipeline (1) extends into the lower part of the reactor (4) and is provided with a second gas nozzle (12).

7. The internal circulation ozone catalytic oxidation sewage treatment device with good removal effect as claimed in claim 6, wherein: the upper end of reactor (4) sets up first export (2), inside first circulation pipeline (1) inserted reactor (4) through first export (2), first export (2) and first circulation pipeline (1) welded seal, the lower part of reactor (4) sets up first entry (13), first circulation pipeline (1) inserts reactor (4) through first entry (13) inside second gas shower nozzle (12) that sets up, first entry (13) are sealed through the welding with first circulation pipeline (1).

8. The internal circulation ozone catalytic oxidation sewage treatment device with good removal effect as claimed in claim 7, wherein: the sewage circulating mechanism comprises a water pump (6) arranged in the reactor (4), the water pump (6) is communicated with a second circulating pipeline (8), and the lower end of the second circulating pipeline (8) is communicated with the lower part of the reactor (4).

9. The internal circulation ozone catalytic oxidation sewage treatment device with good removal effect as claimed in claim 8, wherein: the upper end of reactor (4) sets up second export (7), second circulation pipeline (8) insert the inside of reactor (4) through second export (7), second export (7) are sealed through the welding with second circulation pipeline (8), the lower part of reactor (4) sets up second entry (11), the lower extreme and the second entry (11) of second circulation pipeline (8) are through welding intercommunication.