CN207175694U - Sump mud cleaning treatment system - Google Patents

Abstract

The utility model discloses a kind of sump mud cleaning treatment system, including：Tube settler, the solidifying pool being connected with the tube settler, the aeration tank being connected with the tube settler and the eco-filtration pond being connected with the aeration tank, the tube settler include sedimentation tank body, be arranged in the sedimentation tank body middle part of sliding channel feed pipe, be connected with the feed pipe cloth tube, be arranged above the cloth tube the first filter screen, be arranged above first filter screen inclined tube, be arranged at the arc mud-collecting slot of the sedimentation tank body bottom and the discharge pipeline being arranged in the arc mud-collecting slot.Sump mud cleaning treatment system environmental protection and energy saving of the present utility model, the Recovery Purifying of sump mud and sewage, energy saving water resource, environment purification can be realized.

Description

Sewage pond sludge purification treatment system

technical field

The utility model relates to the technical field of sludge treatment, in particular to a sewage pond sludge purification treatment system.

Background technique

At present, the common treatment methods for sewage pond sludge are mainly to concentrate, digest, mechanically dehydrate the sludge, and finally landfill or incinerate the sludge. Silt thickening is mainly to reduce the pore water of silt, and physical methods are often used. The mechanical dehydration of sludge will consume a lot of energy, and the landfill of sludge will occupy a large amount of open space and easily cause pollution and damage to the surrounding environment, while incineration disposal will also damage the environment, and the sewage in the sludge cannot be effectively purified and recycled, not only polluting environment and waste precious water resources. Therefore, there is a need for a treatment system that can effectively purify the sludge in the sewage pond to recycle the sludge and water therein.

Utility model content

The technical problem to be solved by the utility model is to provide a sewage pond sludge purification treatment system for the deficiencies in the above-mentioned prior art.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a sewage pond sludge purification treatment system, including: an inclined tube sedimentation tank, a solidification tank connected with the inclined tube sedimentation tank, and the inclined tube sedimentation tank A connected aeration tank and an ecological filter tank connected with the aeration tank,

The inclined tube sedimentation tank includes a sedimentation tank body, a feed pipe arranged on the side wall of the middle part of the sedimentation tank body, a distribution pipe connected with the feed pipe, and a first filter screen arranged above the distribution pipe , the inclined pipe arranged above the first filter screen, the arc-shaped mud collecting tank arranged at the bottom of the sedimentation tank body, and the mud discharge pipe arranged in the arc-shaped mud collecting groove.

Preferably, the ecological filter includes a filter body and an anti-seepage membrane, a water collection pipe, a filter layer, a purification layer, a transition layer and a planting layer arranged sequentially in the filter body from bottom to top.

Preferably, the thickness of the filter layer is 15-35cm, and its filler is zeolite with a particle size of 5-20mm; the thickness of the purification layer is 10-30cm, and its filler is dolomite with a particle size of 2-10mm The thickness of the transition layer is 20-50cm, and its filler is gravel with a particle size of 2-5mm; the thickness of the planting layer is 30-60cm, and its filler is planting soil with a particle size of 3-8mm.

Preferably, wetland plants are planted on the planting layer.

Preferably, the sludge discharge pipe is connected to the solidification tank.

Preferably, an overflow outlet is provided on the side wall of the surface of the sedimentation tank body, and a second filter screen is arranged on the overflow outlet.

Preferably, the bottom of the aeration tank is provided with a first water distribution pipe and an aeration pipe, the water distribution pipe communicates with the overflow outlet through a pipe, and an intercepting net is provided above the water distribution pipe.

Preferably, a water outlet is provided on the side wall of the surface of the aeration tank, a water inlet pipe and a second water distribution pipe communicated with the water inlet pipe are arranged above the ecological filter tank, and the other end of the water inlet pipe is connected to the The water outlet of the aeration tank is connected.

Preferably, the second water distribution pipe is laid on the surface of the planting layer in the shape of "Feng",

Preferably, the water collecting pipes are laid on the anti-seepage membrane in a net shape, and water collecting holes are opened on the water collecting pipes, and the drain ends of the water collecting pipes are connected with clear water drainage pipes.

Beneficial effects of the present utility model: the sewage pond sludge purification treatment system of the present utility model can precipitate sewage pond sludge by setting an inclined tube sedimentation tank, and initially separate sewage and sludge, which is highly efficient and environmentally friendly; Coagulation and hardening into blocks, discharge system, energy saving and environmental protection, can realize the recycling of sludge; by setting up an aeration tank, a large amount of organic matter in the sewage can be removed; by setting up an ecological filter tank, the sewage can be purified ecologically and environmentally Obtain clear water that meets production or irrigation water standards, with high treatment efficiency and good purification effect. The sewage pond sludge purification treatment system of the utility model is environmentally friendly and energy-saving, can realize purification and recovery of sewage pond sludge and sewage, can save water resources, and purify the environment.

Description of drawings

Fig. 1 is the structural representation of sewage pond sludge purification treatment system of the present utility model;

Fig. 2 is the structural representation of the inclined tube settling tank of the present utility model;

Fig. 3 is the structural representation of the aeration tank of the present utility model;

Fig. 4 is a structural schematic diagram of the ecological filter tank of the present invention.

Explanation of reference signs:

1—incline tube sedimentation tank; 2—solidification tank; 3—aeration tank; 4—ecological filter tank; 5—clear water drainage pipe; 10—sedimentation tank body; 11—feeding pipe; A filter screen; 14—inclined pipe; 15—curved mud collection tank; 16—silt discharge pipe; 17—overflow drain; 18—second filter screen; 30—first water distribution pipe; 31—aeration pipe; 32—Interception net; 33—Water outlet; 40—Filtration tank body; 41—Impervious membrane; 42—Water collection pipe; 43—Filtration layer; 44—Purification layer; 45—Transition layer; 46—Planting layer; 47—Wetland Plant; 48—water inlet pipe; 49—the second water distribution pipe.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it by referring to the description.

It should be understood that terms such as "having", "comprising" and "including" as used herein do not entail the presence or addition of one or more other elements or combinations thereof.

As shown in Figures 1-4, a sewage pond sludge purification treatment system of the present embodiment includes: inclined pipe 14 sedimentation tank 1, solidification pond 2 connected with inclined pipe 14 sedimentation tank 1, and inclined pipe 14 sedimentation tank 1 The connected aeration tank 3 and the ecological filter tank 4 connected with the aeration tank 3,

Inclined pipe 14 The sedimentation tank 1 includes a sedimentation tank body 10, a feed pipe 11 arranged on the side wall of the middle part of the sedimentation tank body 10, a distribution pipe 12 connected to the feed pipe 11, and a first filter screen arranged above the distribution pipe 12 13. The inclined pipe 14 arranged above the first filter screen 13 , the arc-shaped mud collecting tank 15 arranged at the bottom of the sedimentation tank body 10 , and the mud discharge pipe 16 arranged in the arc-shaped mud collecting tank 15 . An overflow drain 17 is arranged on the side wall of the pool surface of the sedimentation tank body 10 , and a second filter screen 18 is arranged on the overflow drain 17 .

Wherein, the silt in the sewage pond is drawn out by the mud pump, and is introduced into the distribution pipe 12 arranged in the middle of the inclined pipe 14 sedimentation tank 1 through the feed pipe 11, and enters in the inclined pipe 14 sedimentation tank 1, and the silt is under the action of the inclined pipe 14 It sinks efficiently and enters the arc-shaped mud collecting tank 15 at the bottom of the sedimentation tank 1 through the inclined pipe 14, and then is collected and discharged to the solidification tank 2 by the mud discharge pipe 16; The overflow outlet 17 provided above is discharged into the aeration tank 3.

Among them, the inclined tube 14 sedimentation tank 1 utilizes the principle of laminar flow, the water flows between the plates or in the tube, and the hydraulic radius is very small, so the Reynolds number is low, and the water flow presents a laminar flow state, which is extremely beneficial to sedimentation; in addition, the inclined tube 14 increases The area of the sedimentation tank improves the sedimentation efficiency; and shortens the particle sedimentation distance, greatly shortening the sedimentation time. The feeding position of the distribution pipe 12 is easy to generate turbulent flow, and it is easy to make the particles in the sludge float up. By setting the first filter screen 13 above the distribution pipe 12, the floating particles can be effectively intercepted and the sedimentation effect is improved. The second filter screen 18 provided on the overflow outlet 17 is used to filter the particulate matter in the overflow, reduce the amount of solid particles entering the aeration tank 3, and ensure the treatment effect of subsequent sewage.

The sludge discharge pipe 16 is connected to the solidification tank 2, and the settled sludge enters the solidification tank 2 for further treatment. Soil curing agent is added in the curing pool 2 to coagulate and harden the silt into blocks, which are transported out for engineering backfill soil, agricultural and garden purposes or building materials.

The bottom of the aeration tank 3 is provided with a first water distribution pipe 30 and an aeration pipe 31, the water distribution pipe communicates with the overflow outlet 17 through a pipe, and an intercepting net 32 is arranged above the water distribution pipe. The side wall of the aeration tank 3 pool surface is provided with a water outlet 33, and the top of the ecological filter tank 4 is provided with a water inlet pipe 48 and a second water distribution pipe 49 connected with the water inlet pipe 48. The water outlet 33 is connected.

The overflow of the sedimentation tank 1 through the inclined pipe 14 enters the bottom of the aeration tank 3 through the first water distribution pipe 30, and the aeration tube 31 is connected with the external air supply equipment. The aeration tank 3 can remove a large amount of organic matter in the sewage, and the sewage Perform initial purification. The intercepting net 32 is used to intercept the floating particulate matter, preventing it from entering the ecological filter tank 4 of the next section.

The ecological filter 4 includes a filter body 40 and an anti-seepage membrane 41 , a water collection pipe 42 , a filter layer 43 , a purification layer 44 , a transition layer 45 and a planting layer 46 arranged in the filter body 40 from bottom to top. The thickness of filter layer 43 is 15-35cm, and its filler is the zeolite that particle diameter is 5-20mm; The thickness of purification layer 44 is 10-30cm, and its filler is the dolomite that particle diameter is 2-10mm; The thickness of the planting layer 46 is 30-60cm, and the filler is planting soil with a particle size of 3-8mm. Wetland plants 47 are planted on the planting layer 46 .

The second water distribution pipe 49 is laid on the surface of the planting layer 46 in the shape of "Feng", and the water collection pipe 42 is laid on the anti-seepage membrane 41 in a mesh shape. cloth to prevent the water collection hole from being blocked. The water discharge end of the water collection pipe 42 is connected with a clean water drain pipe 5, and the clean water drain pipe 5 is connected to a water or water storage device outside the system.

Wherein, the sewage treated by the aeration tank 3 enters the second water distribution pipe 49 laid on the surface of the planting layer 46 through the water inlet pipe 48, and is evenly guided on the surface of the planting layer 46 by the second water distribution pipe 49, and permeates freely downward. Perform purification filtration.

Among them, the wetland plants 47 planted on the planting layer 46 can absorb a large amount of organic substances such as phosphorus in the treated water; the transition layer 45 plays a preliminary filtering role to remove part of the suspended matter in the water; the dolomite in the purification layer 44 contains a large amount of calcium Ions can absorb a large amount of organic substances such as phosphorus in the water, and effectively purify the water; the zeolite in the filter layer 43 has a porous structure, which can absorb a large amount of suspended particles, further filter the water, and remove the suspended particles in the water. Purification of sewage. The purified water flows down, enters the water collecting pipe 42 from the water collecting hole, and then flows into the clear water drain pipe 5, and is discharged from the system to be used as water for irrigation or production.

In one embodiment, the thickness of filter layer 43 is 30cm, and its filler is the zeolite that particle diameter is 10mm; The thickness of purification layer 44 is 20cm, and its filler is the dolomite that particle diameter is 5mm; The thickness of transition layer 45 is The thickness of the planting layer 46 is 55 cm, and its filler is planting soil with a particle diameter of 4 mm.

The sludge in the sewage pond is pumped out by the mud pump and enters the system from the feed pipe 11. The sludge first settles through the inclined pipe 14 sedimentation tank 1, and the sludge at the bottom is pumped by the mud pump through the mud discharge pipe 16 to the solidification tank 2 for solidification, and finally forms a coagulated and hardened block, which is transported out for engineering backfill soil, agricultural and garden purposes or building materials etc.; the overflow enters the aeration tank 3 for treatment and then is introduced into the ecological filter tank 4. After further purification treatment, a large amount of organic matter and other harmful substances are removed and then discharged from the clear water drain pipe 5, which is used as irrigation or production water, and completes the treatment of sewage. Purification and recycling of pond sludge.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" The orientation or positional relationship indicated by , "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying the referred device Or elements must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and implementation. It can be applied to various fields suitable for the utility model. Additional modifications can readily be made by those skilled in the art. Therefore, the invention should not be limited to the specific details and examples shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (10)

1. A sewage pond sludge purification treatment system, is characterized in that, comprises: inclined tube sedimentation tank, the solidification pond that is connected with described inclined tube sedimentation tank, the aeration tank that is connected with described inclined tube sedimentation tank and with described inclined tube sedimentation tank The ecological filter tank connected to the aeration tank, The inclined tube sedimentation tank includes a sedimentation tank body, a feed pipe arranged on the side wall of the middle part of the sedimentation tank body, a distribution pipe connected with the feed pipe, and a first filter screen arranged above the distribution pipe , the inclined pipe arranged above the first filter screen, the arc-shaped mud collecting tank arranged at the bottom of the sedimentation tank body, and the mud discharge pipe arranged in the arc-shaped mud collecting groove. 2. sewage pond silt purification treatment system according to claim 1, is characterized in that, described ecological filter tank comprises filter tank body and is arranged on the anti-seepage film in described filter tank body successively from bottom to top, water collecting pipe, Filter layer, purification layer, transition layer and planting layer. 3. sewage pond sludge purification treatment system according to claim 2, is characterized in that, the thickness of described filtration layer is 15-35cm, and its filler is the zeolite that particle diameter is 5-20mm; The thickness of described purification layer is 10-30cm, the filler is dolomite with a particle size of 2-10mm; the thickness of the transition layer is 20-50cm, and the filler is gravel with a particle size of 2-5mm; the thickness of the planting layer is 30-60cm , the filler is planting soil with a particle size of 3-8mm. 4. The sewage pond sludge purification treatment system according to claim 3, characterized in that wetland plants are planted on the planting layer. 5. The sewage pond sludge purification treatment system according to claim 1, wherein the sludge discharge pipe is connected to the solidification tank. 6. The sewage pond sludge purification treatment system according to claim 2, wherein an overflow drain is provided on the side wall of the body of the sedimentation tank, and a second filter screen is arranged on the overflow drain . 7. The sewage pond sludge purification treatment system according to claim 6, characterized in that, the bottom of the aeration tank is provided with a first water distribution pipe and an aeration pipe, and the water distribution pipe passes through the pipeline and the overflow outlet Connected, and an intercepting net is arranged above the water distribution pipe. 8. The sewage pond sludge purification treatment system according to claim 7, characterized in that, a water outlet is provided on the side wall of the pool surface of the aeration tank, and a water inlet pipe is provided above the ecological filter tank and connected with the The second water distribution pipe communicated with the water inlet pipe, and the other end of the water inlet pipe communicates with the water outlet of the aeration tank. 9. The sewage pond sludge purification treatment system according to claim 8, characterized in that, the second water distribution pipe is laid on the surface of the planting layer in the shape of "Feng". 10. The sewage pond sludge purification treatment system according to claim 2, characterized in that, the water collection pipe is laid on the anti-seepage membrane in a mesh shape, and a water collection hole is provided on the water collection pipe, and the water collection pipe The drain end of the water pipe is connected with a clear water drain pipe.