CN212356881U - Photocatalysis fenton effluent treatment plant - Google Patents

Abstract

The utility model discloses a belong to effluent treatment plant technical field, specifically be a photocatalysis fenton effluent treatment plant, including frame, PH regulation district, main settling zone, catalysis district, reaction zone, coagulation district and vice settling zone, the inner chamber bottom of frame is cut apart through the baffle the PH regulation district the main settling zone the catalysis district the reaction zone the coagulation district with vice settling zone, this kind of photocatalysis fenton effluent treatment plant, through the combination application of accessory, realize the photocatalysis and the photocatalysis fenton oxidation method of Fe2+ synergism, better than simple fenton method or photocatalysis oxidation effect, the oxidizing power is stronger, goes out water quality of water more stable; the amount of sludge generated by Fenton can be greatly reduced, and on the other hand, the amount of sulfate radical or chloride radical ions brought into the Fenton is reduced, so that the influence on the subsequent biological treatment is greatly reduced; the operation cost is obviously reduced compared with that of single-existence photocatalytic oxidation or Fenton oxidation treatment.

Description

Photocatalysis fenton effluent treatment plant

Technical Field

The utility model relates to a waste water treatment device technical field specifically is a fragrant effluent treatment plant of photocatalysis.

Background

Wastewater treatment refers to a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and advanced oxidation technology is included in the sewage treatment.

However, the existing biological treatment method is difficult to treat substances with poor biodegradability and relative molecular mass from thousands to tens of thousands, and the advanced oxidation method can directly mineralize or improve the biodegradability of pollutants through oxidation, has great advantages in the treatment of trace harmful chemical substances such as environmental hormones and the like, can completely mineralize or decompose most organic substances, and has good application prospect.

Common advanced oxidation technologies include fenton oxidation, ozone oxidation, wet oxidation and electrocatalytic oxidation, and the fenton oxidation is widely applied to treatment of refractory high-concentration organic wastewater due to the advantages of stable treatment effect, low investment cost and the like.

The existing method which simply adopts Fenton oxidation has poor treatment effect on high-concentration wastewater, and a large amount of ferrous sulfate and H2O2 medicaments are required to be added in the Fenton reaction process to generate a large amount of sludge, and simultaneously, a large amount of sulfate ions are added to greatly influence the effect of the subsequent biochemical treatment process; in addition, the Fenton reaction time is longer, and the investment of the reaction tank body is also larger.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a photocatalysis Fenton wastewater treatment device, which solves the problems that the existing device proposed in the background art adopts Fenton oxidation to treat high-concentration wastewater with poor effect, and a large amount of ferrous sulfate and H2O2 medicament are required to be added in the process of Fenton reaction, so that a large amount of sludge is produced, and simultaneously, because a large amount of sulfate ions are added, the effect of the subsequent biochemical treatment process is greatly influenced; in addition, the Fenton reaction time is longer, and the investment of the reaction tank body is also larger.

In order to achieve the above object, the utility model provides a following technical scheme: a photocatalysis Fenton wastewater treatment device comprises an outer frame, a PH adjusting area, a main sedimentation area, a catalysis area, a reaction area, a coagulation area and an auxiliary sedimentation area, wherein the inner cavity bottom of the outer frame is divided by a partition plate into the PH adjusting area, the main sedimentation area, the catalysis area, the reaction area, the coagulation area and the auxiliary sedimentation area, round holes are formed in the left side wall and the right side wall of the outer frame, the circumferential inner wall of each round hole is connected with a water inlet pipe and a water outlet pipe through flanges, through holes are formed in the PH adjusting area, the main sedimentation area, the catalysis area, the reaction area, the coagulation area and the auxiliary sedimentation area, central guide cylinders are fixedly connected in the main sedimentation area and the auxiliary sedimentation area through bolts, aeration stirring pipes are fixedly connected among the PH adjusting area, the catalysis area, the reaction area and the coagulation area through bolts, the bottom of the inner cavity of the catalytic zone is fixedly connected with a photocatalyst filter screen and a UV (ultraviolet) lamp tube frame through screws.

Preferably, the water inlet pipe and the water outlet pipe are arranged diagonally, and wastewater sequentially enters from top to bottom and enters from bottom to top in a baffling mode to flow forward.

Preferably, the photocatalyst filter screen with the quantity of UV ultraviolet lamp pipe support is four, four photocatalyst filter screen and four the UV ultraviolet lamp pipe support sets up the interval unanimously.

Preferably, the side surfaces of the reaction zone and the coagulation zone are both provided with water through holes.

Preferably, the bottom of the main settling zone and the bottom of the auxiliary settling zone are connected with a sludge discharge pipe through flanges, and the sludge discharge pipe adopts a pumping mode to discharge sludge.

Compared with the prior art, the beneficial effects of the utility model are that: the photocatalytic Fenton wastewater treatment device realizes a photocatalytic Fenton oxidation method with the synergistic effect of photocatalysis and Fe2+ through the combined application of accessories, and has better effect, stronger oxidation capability and more stable effluent quality compared with a pure Fenton method or a photocatalytic oxidation method; the amount of sludge generated by Fenton can be greatly reduced, and on the other hand, the amount of sulfate radical or chloride radical ions brought into the Fenton is reduced, so that the influence on the subsequent biological treatment is greatly reduced; the operation cost is obviously reduced compared with that of single-existence photocatalytic oxidation or Fenton oxidation treatment.

Drawings

FIG. 1 is a schematic front plan view of the present invention;

fig. 2 is a schematic main sectional view of the present invention.

Fig. 3 is a schematic view of the auxiliary section of the present invention.

In the figure: 100 outer frames, 101 water inlet pipes, 102 water outlet pipes, 110 PH adjusting areas, 120 main settling areas, 121 central guide cylinders, 122 aeration stirring pipes, 130 catalytic areas, 131 photocatalyst filter screens, 132 UV lamp tube racks, 140 reaction areas, 141 water passing holes, 150 coagulation areas and 160 auxiliary settling areas.

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.

The utility model provides a photocatalysis Fenton wastewater treatment device, which is convenient for improving efficiency, reducing sludge amount and having low influence on small cost by the combined application of accessories, please refer to fig. 1-3, and comprises an outer frame 100, a PH adjusting zone 110, a main settling zone 120, a catalysis zone 130, a reaction zone 140, a coagulation zone 150 and an auxiliary settling zone 160;

referring to fig. 1 again, a water inlet pipe 101 and a water outlet pipe 102 are installed at two sides of the outer frame 100, specifically, the water inlet pipe 101 and the water outlet pipe 102 are arranged diagonally, and wastewater is pushed forward in a baffling manner of sequentially going up and down and going up and down;

referring to fig. 1 again, the outer sides of the PH adjusting zone 110, the main settling zone 120, the catalytic zone 130, the reaction zone 140, the coagulation zone 150 and the auxiliary settling zone 160 are fixedly connected with the outer frame 100, specifically, the left and right side walls of the outer frame 100 are both provided with circular holes, the circumferential inner walls of the circular holes are connected with the water inlet pipe 101 and the water outlet pipe 102 through flanges, through holes are respectively formed between the PH adjusting zone 110, the main settling zone 120, the catalytic zone 130, the reaction zone 140, the coagulation zone 150 and the auxiliary settling zone 160, the interiors of the main settling zone 120 and the auxiliary settling zone 160 are both fixedly connected with the central draft tube 121 through bolts, the aeration stirring tubes 122 are fixedly connected among the PH adjusting zone 110, the catalytic zone 130, the reaction zone 140 and the coagulation zone 150 through bolts, and the bottom of the inner cavity of the catalytic zone 130 is fixedly connected with the photocatalyst filter screen 131 and;

when the device is used specifically, firstly, the inside of the outer frame 100 is spatially divided by a partition board to form a pH adjusting area 110, a main precipitation area 120, a catalytic area 130, a reaction area 140, a coagulation area 150 and an auxiliary precipitation area 160, a water inlet pipe 101 and a water outlet pipe 102 are combined on two sides of the outer frame 100 to facilitate water inlet and outlet, the added catalytic area 130 is matched, and a photocatalyst filter screen 131 and a UV ultraviolet lamp tube frame 132 are combined in the catalytic area 130 to realize a photocatalytic Fenton oxidation method with the synergistic effect of photocatalysis and Fe2+, the photocatalytic Fenton oxidation method has better effect and stronger oxidation capability compared with a pure Fenton method or a photocatalytic oxidation method, can greatly reduce the amount of sludge generated by Fenton, and on the other hand, reduces the amount of brought sulfate radicals or chloride radical ions and greatly reduces the influence on subsequent biological treatment; the operation cost is obviously reduced compared with that of single-existence photocatalytic oxidation or Fenton oxidation treatment.

Referring to fig. 1 again, in order to realize the photocatalysis of the synergy of the photocatalysis and the Fe2+, specifically, the number of the photocatalyst filter screens 131 and the UV lamp tube racks 132 is four, and the four photocatalyst filter screens 131 and the four UV lamp tube racks 132 are arranged at the same distance.

Referring to fig. 1 again, in order to ensure the communication effect between the reaction zone 140 and the coagulation zone 150, specifically, the side surfaces of the reaction zone 140 and the coagulation zone 150 are both provided with water through holes 141.

Referring to fig. 1 again, in order to ensure the sludge discharge efficiency, specifically, the bottoms of the main settling zone 120 and the auxiliary settling zone 160 are connected to a sludge discharge pipe by flanges, and the sludge discharge pipe discharges sludge by a pumping method.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (5)

1. The utility model provides a photocatalysis fenton effluent treatment plant which characterized in that: the device comprises an outer frame (100), a PH adjusting area (110), a main sedimentation area (120), a catalysis area (130), a reaction area (140), a coagulation area (150) and an auxiliary sedimentation area (160), wherein the PH adjusting area (110), the main sedimentation area (120), the catalysis area (130), the reaction area (140), the coagulation area (150) and the auxiliary sedimentation area (160) are arranged at the bottom of an inner cavity of the outer frame (100) in a dividing way through a partition plate, round holes are respectively formed in the left side wall and the right side wall of the outer frame (100), a water inlet pipe (101) and a water outlet pipe (102) are connected to the circumferential inner walls of the round holes through flanges, the PH adjusting area (110), the main sedimentation area (120), the catalysis area (130), the reaction area (140), the coagulation area (150) and the auxiliary sedimentation area (160) are respectively provided with through holes, and a central guide cylinder (121) is fixedly connected to the insides of the main sedimentation area (120) and the auxiliary sedimentation area (160), PH regulation district (110) catalytic zone (130) reaction zone (140) with all there is aeration stirring pipe (122) through bolt fixedly connected with between coagulating zone (150), the inner chamber bottom of catalytic zone (130) is through screw fixed connection have photocatalyst filter screen (131) and UV ultraviolet lamp pipe support (132).

2. The photocatalytic Fenton's waste water treatment apparatus according to claim 1, characterized in that: the water inlet pipe (101) and the water outlet pipe (102) are arranged diagonally, and wastewater sequentially enters from top to bottom and enters from bottom to top in a baffling mode to flow forwards.

3. The photocatalytic Fenton's waste water treatment apparatus according to claim 1, characterized in that: photocatalyst filter screen (131) with the quantity of UV ultraviolet lamp pipe support (132) is four, four photocatalyst filter screen (131) and four UV ultraviolet lamp pipe support (132) set up the interval unanimously.

4. The photocatalytic Fenton's waste water treatment apparatus according to claim 1, characterized in that: and water passing holes (141) are formed in the side surfaces of the reaction zone (140) and the coagulation zone (150).

5. The photocatalytic Fenton's waste water treatment apparatus according to claim 1, characterized in that: the bottom of main settling zone (120) with vice settling zone (160) has the mud pipe through flange joint, the mud pipe adopts the mode of pump pumping to carry out the row mud.

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