CN209507838U - A kind of sewage disposal system - Google Patents

Abstract

The utility model relates to a kind of sewage disposal systems, belong to technical field of sewage, including sequentially connected filtering ponds, collecting-tank, conditioning tank, clarifying basin, V-arrangement filter tank, intermediate pool A, active carbon filter, intermediate pool B, cartridge filter and counter-infiltration system, the counter-infiltration system is connected with industrial circulating water reservoir, is used as subsequent industrial circulating water；The concentrated water part of the counter-infiltration system is connected with concentrated water reservoir by pipeline, is used for blast furnace slag flushing；The bottom of the clarifying basin is connected with sludge concentration tank and plate and frame filter press in turn, and the sludge outward transport collected in the plate and frame filter press, the supernatant of the sludge concentration tank and the filtrate of plate and frame filter press pass through pipeline and is connected to collecting-tank.It can make full use of water resource, realization Resource Rationalization as far as possible utilizes, and reduces sewage discharge.

Description

A kind of sewage disposal system

Technical field

The utility model relates to a kind of sewage disposal systems, belong to technical field of sewage.

Background technique

China is the country of a serious water shortage, and occupying freshwater resources amount year per capita is about 2500m³, it is world's water per capita Flat 1/4 occupies 109, the world.

Sewage treatment refers to that the water quality requirement for being discharged into a certain water body to reach sewage or reusing purifies it Process.Sewage treatment is widely used in the every field such as industry, agricultural, medical treatment, food and drink, also comes into more and more ordinary The daily life of the common people.

In the prior art, main next such as the waste water being discharged in steel manufacture process especially for integrated mill's sewage Derived from production process water, equipment and product cooling water, flue gas washing and the ejected wash water in equipment place etc., 70% waste water That discharges in cooling water, production process only accounts for sub-fraction, unsatisfactory for waste water (sewage) processing, main It shows themselves in that first is that sewage treatment is not thorough enough, does not make full use of, cause water resource waste；Second is that sewage is through simple process It is just expelled directly out afterwards, environmental pollution is serious.

Summary of the invention

In view of the deficiencies of the prior art, the utility model provides a kind of sewage disposal system, can make full use of water resource, Realize that Resource Rationalization utilizes, and reduces sewage discharge as far as possible.

The utility model uses following technical scheme:

A kind of sewage disposal system, including sequentially connected filtering ponds, collecting-tank, conditioning tank, clarifying basin, V-arrangement filter tank, in Between pond A, active carbon filter, intermediate pool B, cartridge filter and counter-infiltration system, the counter-infiltration system is connected with work Industry recirculated water reservoir is used for subsequent industrial circulating water, and the effect of intermediate pool A, intermediate pool B are regulating pondage, are made Subsequent operation water inlet is stablized, and the impact to subsequent setting is reduced, and active carbon filter+security personnel are added before counter-infiltration system Filter is also a kind of guarantee well run to counter-infiltration system, active carbon filter mainly to peculiar smell in water body, organic matter, The performances such as colloid, iron and chlorine residue are distinguished, and it is (such as micro- that cartridge filter is mainly used to filter out the subtitle substance after multi-medium filtering Small quartz sand, active carbon particle etc.), to ensure water filtration precision and protect film filtering element not by the damage of large particulate matter Bad, chemical ion and bacterium, fungi, virion cannot pass through in counter-infiltration system, be discharged with waste water, only volume be allowed to be less than 0.0001 micron of hydrone and solvent passes through.

The concentrated water part of the counter-infiltration system is connected with concentrated water reservoir by pipeline, this part water is higher except salinity Outside, the indexs such as turbidity are all fine, can be used as blast furnace slag flushing water, if blast furnace slag flushing cannot be fully utilized, remainder can Discharge after up to standard；

The bottom of the clarifying basin is connected with sludge concentration tank and plate and frame filter press in turn, collects in the plate and frame filter press Sludge outward transport, if through detection iron-content it is higher, return sintering comprehensive utilization, if iron-content is lower, no recycle value, then The processing of the city Hou Song destructor plant is collected, the supernatant of the sludge concentration tank and the filtrate of plate and frame filter press are connected by pipeline It is connected to collecting-tank, carries out the processing of subsequent cycle.

Preferably, a upper side of the filtering ponds is provided with water inlet pipe, and other side middle and lower part is provided with outlet pipe, bottom It is provided with the first sewage draining exit, electric cylinder is provided on the top cover of the filtering ponds, screen pack, institute are provided in the filtering ponds Stating filtering ponds is rectangular parallelepiped structure, and screen pack is tilted and is slideably positioned in the two side walls of filtering ponds, and screen pack can be slided Dynamic contacting side wall, or sliding rail etc. is set on side wall and can be achieved, the piston rod of the electric cylinder gos deep into filtering ponds vertically, It is fixedly connected with screen pack, the side that the filtering ponds are in contact with screen pack lower end is provided with collection port, collection port Height is higher than the lowest part of outlet pipe, does not delay water outlet during collection is slagged tap.

When the utility model is used, the preferably upper and lower iterative motion of the piston rod of electric cylinder, when electric cylinder drives When screen pack moves downward, sewage is filtered by water inlet pipe through screen pack, when screen pack enters in filtering ponds Water storage, water storage have recoil cleaning action to screen pack, meanwhile, screen pack is inclined, passes through gravity and recoil Effect, filter residue will be located at screen pack bottom, when the residue collection on screen pack to a certain extent, reach collection port at When, electric cylinder can be closed, deslagging is carried out by collection port.

The filtering ponds of the utility model are divided into two parts up and down, and top is filter chamber, and lower part is precipitating chamber, carry out preliminary It slags tap and precipitates, to mitigate the pressure of subsequent sewage treatment.

Preferably, for convenience of sliding, resistance is reduced, is provided with vertical sliding rail in the two side walls of the filtering ponds, The both ends of the screen pack are provided with the sliding block matched with sliding rail.

Preferably, block, the screen pack lower end to receipts are provided in the filtering ponds side wall opposite with collection port The distance of the lower end Ji Kou is equidistant, i.e. H1=H2 with the upper end of screen pack upper end to block, and screen pack is in electric cylinder Continuous slide downward under driving, when screen pack upper end slides into the upper end of block, screen pack lower end is just at collection The lower end of mouth, facilitates deslagging.

Preferably, collection port is provided with door, and normal operating condition Xiamen is in off state, and in deslagging, door is opened, convenient The prior art can be used in deslagging, the set-up mode of door, preferably rotatable door, when needed Unscrew.

Preferably, it is provided with agitating device A in the conditioning tank, the agitating device A includes motor and agitating shaft, described Agitating shaft is located in the middle part of conditioning tank, and the motor is located on the top cover of conditioning tank, and the driving axis connection agitating shaft of motor drives institute Agitating shaft rotation is stated, multi-disc stirring blade is provided on the agitating shaft, discharge of wastewater is using intermittent unordered row mostly Mode is put, water and water quality are very uneven, and in order to guarantee the normal operation of subsequent processing structures or equipment, great Rong need to be arranged The conditioning tank of amount, under the action of hydraulic mixing, the water quality of each period of different component various concentration obtains in conditioning tank Equilibrium can satisfy the requirement of aftertreatment systems, precipitate in order to prevent, and stirring system is arranged in conditioning tank.

Preferably, the stirring blade is magnetic piece, when residual scrap iron in sewage for adsorbing iron filings, the collecting-tank Top cover be detachable top cover, it is convenient to collect iron filings in due course.

Preferably, the clarifying basin includes pond body, is set to pond intracorporal first flocculation reaction room, the second flocculation reaction room With clarified separation room, sewage inlet is connect with the bottom of the first flocculation reaction room, and first flocculation reaction is provided in room Agitating device B, agitating device B include driving motor and the propeller around the rotation of the first flocculation reaction chamber axis, first wadding Solidifying reaction chamber top is connected to the top of the second flocculation reaction room, the bottom of second flocculation reaction room bottom and clarified separation room Portion's connection, the clarified separation room middle part are provided with inclined plate, increase buffering and resistance by inclined plate, sedimentation effect is good, described clear Clear separation chamber top is connected with outlet pipe, and the pool bottom is infundibulate sedimentation basin, and the lowest part of infundibulate sedimentation basin is arranged There is the second sewage draining exit, sludge is discharged by sewage pipe, is additionally provided with mud scraper in the infundibulate sedimentation basin, it will by mud scraper Sludge collects, and into the second sewage draining exit, mud scraper uses the prior art, and reciprocating mud scraper, list such as can be used Rail mud scraper etc., and will not be described here in detail.

Wherein, the first flocculation reaction room, flocculant dosing dress may be provided with according to the prior art in the second flocculation reaction room It sets or flocculation aid chemicals dosing plant etc., may be provided at side or top surface etc., sewage enters first from the wastewater inlet of clarifying basin Flocculation reaction room, sewage and the flocculation reaction of flocculant sample introduction generate floccule body, are enclosed with impurity in floccule body, are stirring Under the action of device B, sewage reacts more thorough with flocculant, the second flocculation reaction room and the first flocculation reaction room top phase Logical, sewage subsequently enters the second flocculation reaction room, carries out secondary flocculation in the second solidifying reaction chamber, it is heavy that floccule body is deposited on infundibulate It is discharged in the pond of shallow lake by the second sewage draining exit, clarified solution is flowed out of the water outlet pipe through inclined plate.

Preferably, the quantity of second flocculation reaction room and clarified separation room is preferably all two, is symmetrically disposed on First flocculation reaction room two sides；

For inclined plate towards the direction for the second flocculation reaction room being adjacent to, tilt angle is 60 ° in the clarified separation room, Material is PEEK material；

To further increase deposition efficiency and speed to particulate matter, the inside feather plucking of the inclined plate or it is provided with wave Line.

Preferably, the filtering ponds and collecting-tank are multiple, and multiple collecting-tanks are connected to conditioning tank.

It is worth noting that, the V-arrangement filter tank of the utility model is a kind of air-water backwash filter, using common quartz sand The structure of filtering layer, V-arrangement filter tank can be designed by the prior art, and active carbon filter is steel tank and the active carbon shape positioned at tank body Use commercial product at, cartridge filter, filter core specification can flexible choice, filtering accuracy is preferably 3~10 μm, counter-infiltration system Including reverse osmosis membrane, permeable membrane can be for using cellulose acetate film etc., surface micropore diameter be preferably reverse osmosis between 2~5nm U.S.'s Hydranautics ESPAI-4040/8040 etc., the sludge concentration tank and plate compression that the utility model is mentioned can be selected in permeable system Machine technology also comparative maturity, it is possible to use ordinary commercial products, the WJK07 sludge such as Shanghai Jiang Ke experimental facilities Co., Ltd are dense Contracting pond, port rise environmental protection GS-B (X) plate and frame sludge filter press etc., and above structure can need flexible choice according to sewage treatment, The implementation of the utility model is not influenced.

The utility model has the following beneficial effects:

Sewage is carried out multistep treatment by the sewage disposal system of the utility model, successively passes through filtering ponds, collecting-tank, adjusting Pond, clarifying basin, V-arrangement filter tank, active carbon filter, cartridge filter and counter-infiltration system, can will treated that water can use workmanship Industry recirculated water, is recycled；The concentrated water part of counter-infiltration system is used as blast furnace slag flushing, and the sludge of clarifying basin then passes through sludge Concentration basin, plate and frame filter press are handled, and the supernatant of sludge concentration tank and the filtrate of plate and frame filter press are then recycled to collecting-tank, Carry out recycling processing, the sludge after the finally formed dehydration of plate and frame filter press is transported outward, the utility model it is entire Process can make full use of water resource, and realization Resource Rationalization as far as possible utilizes, and reduce sewage discharge.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the sewage disposal system of the utility model；

Fig. 2 is a kind of structural schematic diagram of filtering ponds in Fig. 1；

Fig. 3 is a kind of structural schematic diagram of clarifying basin in Fig. 1；

Wherein 1. filtering ponds, 2. collecting-tanks, 3. conditioning tanks, 4. clarifying basins, 5.V shape filter tank, 6. intermediate pool A, 7. activity Carbon filter, 8. intermediate pool B, 9. cartridge filters, 10. counter-infiltration systems, 11. industrial circulating water reservoirs, 12. concentrated waters store Pond, 13. sludge concentration tanks, 14. plate and frame filter press, 1-1. water inlet pipe, 1-2. outlet pipe, the first sewage draining exit of 1-3., 1-4. electricity Dynamic cylinder, 1-5. screen pack, 1.6- collection port, 1-7. baffle, the first flocculation reactor of 4-1., the second flocculation reactor of 4-2., 4-3. clarified separation room, 4-4. driving motor, 4-5. propeller, 4-6. inclined plate, 4-7. outlet pipe, the second sewage draining exit of 4-8., 4- 9. sewage pipe.

Specific embodiment:

In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing And specific embodiment is described in detail, but is not limited only to this, and what the utility model did not elaborated, press this field routine skill Art.

Embodiment 1:

A kind of sewage disposal system, as shown in Figure 1, including sequentially connected filtering ponds 1, collecting-tank 2, conditioning tank 3, clarification Pond 4, V-arrangement filter tank 5, intermediate pool A 6, active carbon filter 7, intermediate pool B 8, cartridge filter 9 and counter-infiltration system 10, Counter-infiltration system 10 is connected with industrial circulating water reservoir 11, can be used as subsequent industrial circulating water.

The concentrated water part of counter-infiltration system 10 is connected with concentrated water reservoir 12 by pipeline, this part water is higher except salinity Outside, the indexs such as turbidity are all fine, can be used as blast furnace slag flushing water, if blast furnace slag flushing cannot be fully utilized, remainder can Discharge after up to standard；

The bottom of clarifying basin 4 is connected with sludge concentration tank 13 and plate and frame filter press 14 in turn, collects in plate and frame filter press 14 Sludge outward transport, if through detection iron-content it is higher, return sintering comprehensive utilization, if iron-content is lower, no recycle value, then The processing of the city Hou Song destructor plant is collected, the supernatant of sludge concentration tank 13 and the filtrate of plate and frame filter press 14 are connected by pipeline It is connected to collecting-tank 2, carries out the processing of subsequent cycle.

Embodiment 2:

A kind of sewage disposal system, structure is as described in Example 1, the difference is that as shown in Fig. 2, the side of filtering ponds 1 Top is provided with water inlet pipe 1-1, and other side middle and lower part is provided with outlet pipe 1-2, and bottom is provided with the first sewage draining exit 1-3, filtering It is provided with electric cylinder 1-4 on the top cover in pond 1, screen pack 1-5 is provided in filtering ponds 1, filtering ponds 1 are rectangular parallelepiped structure, mistake Sieve plate 1-5 is tilted and is slideably positioned in the two side walls of filtering ponds 1, and the piston rod of electric cylinder 1-4 gos deep into filtering ponds 1 vertically It is interior, it is fixedly connected with screen pack 1-5, the side that filtering ponds 1 are in contact with the lower end screen pack 1-5 is provided with collection port 1-6, The height of collection port 1-6 is higher than the lowest part of outlet pipe 1-2, does not delay water outlet during collection is slagged tap.

Embodiment 3:

A kind of sewage disposal system, structure is as described in Example 2, the difference is that being all provided in the two side walls of filtering ponds 1 It is equipped with vertical sliding rail (not shown), the both ends of screen pack 1-5 are provided with the sliding block (not shown) matched with sliding rail；

Block 1-7, the lower end screen pack 1-5 to collection port 1- are provided in the side wall opposite with collection port 1-6 of filtering ponds 1 The distance H1 of 6 lower ends, equal with the upper end distance H2 of the upper end screen pack 1-5 to block 1-7, i.e. H1=H2, screen pack exists Continuous slide downward under the driving of electric cylinder, when screen pack upper end slides into the upper end of block, screen pack lower end is just It is in the lower end of collection port, facilitates deslagging.

Collection port 1-6 is provided with door, and normal operating condition Xiamen is in off state, and in deslagging, door is opened, and facilitates deslagging, Door is rotatable door, when needed Unscrew.

Embodiment 4:

A kind of sewage disposal system, structure is as described in Example 1, the difference is that being provided with agitating device in conditioning tank 3 A, agitating device A include motor and agitating shaft, and agitating shaft is located at 3 middle part of conditioning tank, and motor is located on the top cover of conditioning tank, motor The driving agitating shaft rotation of driving axis connection agitating shaft, be provided with multi-disc stirring blade on agitating shaft, discharge of wastewater is adopted mostly With intermittent unordered discharging modes, water and water quality are very uneven, in order to guarantee subsequent processing structures or equipment just Often operation, need to be arranged the conditioning tank of large capacity, under the action of hydraulic mixing, the water of each period of different component various concentration Matter is equalized in conditioning tank, be can satisfy the requirement of aftertreatment systems, is precipitated in order to prevent, setting stirring in conditioning tank System；

Stirring blade is magnetic piece, and when residual scrap iron in sewage for adsorbing iron filings, the top cover of the collecting-tank is can Detachable top cover, it is convenient to collect iron filings in due course.

Embodiment 5:

A kind of sewage disposal system, structure is as described in Example 1, the difference is that as shown in figure 3, clarifying basin 4 includes pond Body is set to intracorporal first flocculation reaction in pond room 4-1, the second flocculation reaction room 4-2 and clarified separation room 4-3, wastewater influent Mouth is connect with the bottom of the first flocculation reaction room 4-1, is provided with agitating device B, agitating device B in the first flocculation reaction room 4-1 Including driving motor 4-4 and around the propeller 4-5 of the first flocculation reaction room 4-1 axis rotation, the first flocculation reaction room top 4-1 It being connected to the top of the second flocculation reaction room 4-2, the second flocculation reaction room bottom 4-2 is connected to the bottom of clarified separation room 4-3, It is provided with inclined plate 4-6 in the middle part of the 4-3 of clarified separation room, buffering and resistance are increased by inclined plate, sedimentation effect is good, clarified separation room 4- 3 tops are connected with outlet pipe 4-7, and pool bottom is infundibulate sedimentation basin, and the lowest part of infundibulate sedimentation basin is provided with second row Dirty mouth 4-8 is discharged sludge by sewage pipe 4-9, is additionally provided with mud scraper (not shown) in infundibulate sedimentation basin, passes through mud scraper Sludge is collected, into the second sewage draining exit 4-8, mud scraper uses reciprocating mud scraper, using commercial product；

First flocculation reaction room 4-1, the second flocculation reaction room 4-2 are provided with flocculant chemicals dosing plant in its top surface or help Solidifying agent chemicals dosing plant.

Embodiment 6:

A kind of sewage disposal system, structure is as described in Example 5, the difference is that the second flocculation reaction room 4-2 and clarification The quantity of separation chamber 4-3 is two, is symmetrically disposed on the first flocculation reaction room two sides 4-1；

The direction for the second flocculating chamber 4-2 that 4-3 inner swash plate 4-6 direction in clarified separation room is adjacent to, tilt angle are 60 °, material is PEEK material；

To further increase deposition efficiency and speed to particulate matter, the inside feather plucking of inclined plate.

Filtering ponds 1 and collecting-tank 2 are 4, and 4 collecting-tanks are connected to conditioning tank 3.

Embodiment 7:

A kind of sewage disposal system, structure is as described in Example 1, the difference is that V-arrangement filter tank 5 uses quartzy sand filter blanket, Active carbon filter 7 is steel tank and is formed positioned at the active carbon of tank body that the filtering accuracy of cartridge filter 9 is 3~10 μm, Counter-infiltration system 10 selects U.S.'s Hydranautics ESPAI-4040/8040, and sludge concentration tank 13 selects Shanghai river section experimental facilities to have The WJK07 sludge concentration tank of limit company, plate and frame filter press 14 select port to rise environmental protection GS-B (X) plate and frame sludge filter press.

The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these improvement It also should be regarded as the protection scope of the utility model with retouching.

Claims (10)

1. a kind of sewage disposal system, which is characterized in that including sequentially connected filtering ponds, collecting-tank, conditioning tank, clarifying basin, V Shape filter tank, intermediate pool A, active carbon filter, intermediate pool B, cartridge filter and counter-infiltration system, the counter-infiltration system It is connected with industrial circulating water reservoir, is used as subsequent industrial circulating water；

The concentrated water part of the counter-infiltration system is connected with concentrated water reservoir by pipeline, is used for blast furnace slag flushing；

The bottom of the clarifying basin is connected with sludge concentration tank and plate and frame filter press, the dirt collected in the plate and frame filter press in turn Mud outward transport, the supernatant of the sludge concentration tank and the filtrate of plate and frame filter press pass through pipeline and are connected to collecting-tank.

2. sewage disposal system according to claim 1, which is characterized in that a upper side of the filtering ponds be provided with into Water pipe, other side middle and lower part are provided with outlet pipe, and bottom is provided with the first sewage draining exit, is provided with electricity on the top cover of the filtering ponds Cylinder is moved, screen pack is provided in the filtering ponds, the filtering ponds are rectangular parallelepiped structure, screen pack inclination and sliding setting In in the two side walls of filtering ponds, the piston rod of the electric cylinder gos deep into filtering ponds vertically, is fixedly connected with screen pack, institute It states the side that filtering ponds are in contact with screen pack lower end and is provided with collection port.

3. sewage disposal system according to claim 2, which is characterized in that be respectively provided in the two side walls of the filtering ponds There is vertical sliding rail, the both ends of the screen pack are provided with the sliding block matched with sliding rail.

4. sewage disposal system according to claim 3, which is characterized in that the filtering ponds side wall opposite with collection port Inside be provided with block, the distance of the screen pack lower end to collection port lower end, with the upper end of screen pack upper end to block away from From equal.

5. sewage disposal system according to claim 4, which is characterized in that collection port is provided with door.

6. sewage disposal system according to claim 1, which is characterized in that agitating device A is provided in the conditioning tank, The agitating device A includes motor and agitating shaft, and the agitating shaft is located in the middle part of conditioning tank, and the motor is located at the top of conditioning tank It covers, the driving axis connection agitating shaft of motor drives the agitating shaft rotation, is provided with multi-disc stirring blade on the agitating shaft.

7. sewage disposal system according to claim 6, which is characterized in that the stirring blade is magnetic piece, for inhaling Attached remaining iron filings, the top cover of the collecting-tank are detachable top cover.

8. sewage disposal system according to claim 1, which is characterized in that the clarifying basin includes pond body, is set to pond Intracorporal first flocculation reaction room, the second flocculation reaction room and clarified separation room, sewage inlet and the first flocculation reaction room Bottom connects, and agitating device B is provided in first flocculation reaction room, and agitating device B includes driving motor and wads a quilt with cotton around first The propeller of solidifying reaction chamber axis rotation, first flocculation reaction room top are connected to the top of the second flocculation reaction room, institute It states the second flocculation reaction room bottom to be connected to the bottom of clarified separation room, is provided with inclined plate in the middle part of the clarified separation room, it is described Clarified separation room top is connected with outlet pipe, and the pool bottom is infundibulate sedimentation basin, and the lowest part of infundibulate sedimentation basin is set It has been equipped with the second sewage draining exit, sludge is discharged by sewage pipe, is additionally provided with mud scraper in the infundibulate sedimentation basin.

9. sewage disposal system according to claim 8, which is characterized in that second flocculation reaction room and clarified separation The quantity of room is two, is symmetrically disposed on the first flocculation reaction room two sides；

Inclined plate is towards the direction for the second flocculation reaction room being adjacent in clarified separation room, and tilt angle is 60 °, and material is PEEK material；

The inside feather plucking of the inclined plate is provided with ripple.

10. sewage disposal system according to claim 1, which is characterized in that the filtering ponds and collecting-tank be it is multiple, Multiple collecting-tanks are connected to conditioning tank；

The V-arrangement filter tank is using quartzy sand filter blanket；

The active carbon filter is steel tank and is formed positioned at the active carbon of tank body；

The counter-infiltration system includes reverse osmosis membrane, and permeable membrane is using cellulose acetate film, and surface micropore diameter is 2~ Between 5nm.