CN209081579U - A kind of sewage-treatment plant based on metal-organic framework material - Google Patents

Abstract

The utility model discloses a kind of sewage-treatment plants based on metal-organic framework material, pretreated screening pond is executed to sewage including what is be sequentially communicated, rectangular sedimentation tank, flotation tank, coagulative precipitation pond and metal-organic framework material packed absorber, wherein water inlet is arranged in metal-organic framework material packed absorber side, end is equipped with water outlet under the other side, tower top upper end is equipped with gas vent, water outlet is equipped with phegma water inlet with upper lateral part, and tower body lower part and tower bottom junction are provided with gas access；The inside of tower body is provided with overflow plate along the direction of water flow, and with the cascade component that at least one level is successively formed with the first liquid distribution trough and the first metal-organic framework material packing layer, water outlet is connected to liquid cyclone.According to sewage-treatment plant of the utility model, and it is tower-shaped to combine metal framework organic material characteristic to be designed as, and can come into full contact with sewage and then improve sewage treating efficiency and effect.

Description

A kind of sewage-treatment plant based on metal-organic framework material

Technical field

The utility model belongs to sewage treatment field, in particular to be to be handled with metal-organic framework material (MOFs) The device of sewage.

Background technique

Water is primary condition for the survival of mankind, but in the past few decades, and due to mankind's activity, population increases, city City, industrialization and cause global water quality heavily contaminated using natural water resources without limitation.The pollution and dirt of water resource The discharge of water is global environmental issue urgently to be resolved in recent years.The concentration raising of toxic pollutant leads to the mankind's in water body Health is on the hazard, therefore develops strong, economically feasible, the environmental-friendly sewage water treatment method of one kind and compel in eyebrow Eyelash.

Water pollution speed is inevitably accelerated in industrialization, the urbanization that China carries out rapidly.Wherein the overwhelming majority is dirty Water is without the row's of being effectively treated people's rivers,lakes and seas.The urban waters in 90% or more the whole nation are by different degrees of pollution, and nearly 50% It is difficult that the concentration drinking water of key cities does not meet water intaking mark.Therefore, field of water pollution control is in the urgent need to address, will have important Environment protection significance.

The physico-chemical process of traditional sewage treatment mainly have ion-exchange, lime softening method, sand filtering, precipitating, The methods of extraction, ultrafiltration, reverse osmosis, electrodialysis, activated carbon adsorption.These traditional methods have certain application limitation, deposit Treatment effeciency is low, service condition is stringent, it is at high cost, generate secondary sludge and its high, the difficult regeneration of disposal costs etc. and ask Topic.

For current widely used active carbon adsorption, since active carbon has the thin of porous hydrophobic and prosperity Pore structure and huge specific surface area are considered as all-round absorbent, commonly used in the various pollutants gone in water removal, still, by Difficulty is regenerated in addition in its use cost height limits its being widely used in field of water pollution control.Therefore it is a kind of suitable to find Adsorbent material, to reach the coordination of economy and efficiency, this also becomes the emphasis studied at present.

Metal-organic framework material (MOFs) is formed by connecting by metal node and organic ligand with infinite network knot The framework material of structure has the characteristics that bigger serface, high porosity, it is most important that, metal-organic framework material (MOFs) The aperture of material and topological structure have very flexible Modulatory character, can answer for the specific adsorption of dirty water pollutant Its corresponding optimal material is prepared for designing, therefore metal-organic framework material (MOFs) material is considered as before most having popularization The sewage treatment adsorbent of scape and application value.And metal-organic framework material (MOFs) is combined to handle the dirt of trade effluent Water treatment facilities is there is presently no relevant research is carried out, so that designing with metal-organic framework material (MOFs) corresponding Device can be applied in all kinds of making apparatus sewage disposal devices, effectively solve the problems, such as sewage treatment.

Utility model content

Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of with metal organic frame The device of material (MOFs) Lai Jinhang sewage treatment.The device uses the form of packed tower, with metal-organic framework material (MOFs) adsorption function is that main processing means carry out large scale processing trade effluent.The sewage-treatment plant that the device proposes, Solve the problems, such as large-scale application of the metal-organic framework material (MOFs) on Industrial Waste Water Treatments.

To achieve the above object, according to the utility model proposes a kind of sewage treatments based on metal-organic framework material Device, which is characterized in that pretreated screening pond, rectangular sedimentation tank are executed to sewage including what is be sequentially communicated, flotation tank coagulates Thus poly- sedimentation basin and metal-organic framework material packed absorber successively realize the precipitating solid content in sewage, solid The processing of grain, grease, colloidal ion and heavy metal ion, wherein

Water inlet is arranged in metal-organic framework material packed absorber side, and end is equipped with water outlet under the other side, Tower top upper end is equipped with gas vent, and the water outlet is equipped with phegma water inlet with upper lateral part, in tower body lower part in conjunction with tower bottom Place is provided with gas access；The inside of the tower body is provided with overflow plate along the direction of water flow, at least one level successively with The cascade component of one liquid distribution trough and the first metal-organic framework material packing layer composition, the water outlet are connected to separating liquid Device.

Further, concentration of heavy metal ion detector and electric control valve are set in the liquid cyclone to switch The next stage of sewage flows into.

Further, liquid storage tank is additionally provided with after the liquid cyclone, the liquid cyclone and the liquid storage tank connect It is logical.

Further, the metal-organic framework material packing layer is by metal-organic framework material gasket packing along water flow It is close to inner wall of tower and arranges in direction.

Further, grid and sieve are mounted in the screening pond, the grid includes grille mounting, rake teeth, transmission Chain, screens pond capstan, lower tumbler, and screening pond cleans dress；

The bottom of the grille mounting is fixed on bottom of pond and equipped with lower tumbler, and the grille mounting top is higher than the water surface, high The screening pond capstan is installed with screening pond cleaning dress and by its tangent placement side by side, so that can in the part of the water surface It dismantles the rake teeth being arranged on the driving chain and takes away water-bed solid content, mistake of the screening pond capstan in transmission Contact screening pond cleans dress in journey, so that the driving chain is cleaned.

Further, sieve is also set up between the grid and screening pond water outlet, and is fixed with sieve fixed frame In the screening pond, wherein the mesh number of the sieve is not less than 100.

Further, the rectangular sedimentation tank is provided with rectangular sedimentation tank capstan, cleans toothed chain, supporting roller, institute State clean toothed chain under the driving of rectangular sedimentation tank capstan and supporting roller with liquid level in maximized surface contact area setting, So that being suspended in liquid level or liquid, partial size takes in bucket in 100 microns or more of particulate matter.

Further, the exit of the rectangular sedimentation tank is additionally provided with overflow weir, and the overflow weir enters in sewage Front end also set up mud guard, during preventing pool water within violent flow, the solid particles pour in overflow weir with water In.

Further, the flotation tank is provided with flotation tank guide wheel, and grease adsorption chain, flotation tank cleans dress, the oil Rouge adsorption chain, to be arranged with liquid level in maximized surface contact area, drives the grease adsorption chain under the driving of flotation tank guide wheel Grease on liquid level is taken away.

Further, the flotation tank is provided at least one air induction conduit, by the ventilation into water so that the oil in water Rouge floats.

In general, have the above technical solutions conceived by the present invention are compared with the prior art, with following Beneficial effect:

(1) the utility model has been put forward for the first time a kind of based on organic metal framework (MOFs) progress sewage-treatment plant, energy It is enough to improve sewage treating efficiency significantly, and effectively remove the harmful heavy metal ions in sewage；

(2) utility model device uses the form of packed tower, and the tower diameter of tower equipment is big, and tower height is high, is suitable for big rule Mould production or processing；

(3) in utility model device, there will be the metal organic frame material of bigger serface, high porosity Material (MOFs) filler is made, can by filler because shape design due to itself have the characteristics that bigger serface, high porosity into One step is brought into play, can be come into full contact with sewage and then be improved sewage treating efficiency；

(4) in utility model device, gasket packing is made in metal-organic framework material (MOFs), gasket packing can To be directly installed in packed tower, support frame and other support devices are not necessarily to, therefore easy to removal and installation；

(5) sewage treatmentmethod is to launch adsorbent in processing pond to handle waste water at present, this mode can generate largely Silt, subsequent work is caused greatly to bear, and only need in packed tower to replace filler on time i.e. in the utility model Can, it is more convenient.

Detailed description of the invention

Fig. 1 is the overall structure diagram according to sewage-treatment plant of the utility model；

Fig. 2 is the detailed schematic according to the rectangular sedimentation tank in sewage-treatment plant of the utility model；

Fig. 3 is the detailed schematic according to the flotation tank in sewage-treatment plant of the utility model；

Fig. 4 is the detailed schematic according to the coagulative precipitation pond in sewage-treatment plant of the utility model；

Fig. 5 is to inhale according to metal-organic framework material (MOFs) filler in sewage-treatment plant of the utility model Receive the detailed schematic of tower；

In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:

1, screen pond, 2, rectangular sedimentation tank, 3, flotation tank, 4, coagulative precipitation pond, the 5, first centrifugal pump, 6, metal it is organic Frame material (MOFs) packed absorber, 7, liquid cyclone, the 8, second centrifugal pump, 9, liquid storage tank；

1-1, screening pond water inlet, 1-2, screening pond water outlet, 1-3, sieve, 1-4, sieve fixed frame, 1-5, grid Bracket, 1-6, rake teeth, 1-7, screening pond capstan, 1-8, screening pond clean dress, 1-9, lower tumbler, 1-10, driving chain；

2-1, rectangular sedimentation tank water inlet, 2-2, rectangular sedimentation tank water outlet, 2-3, overflow weir, 2-4, mud guard, 2-5, toothed chain, 2-6, rectangular sedimentation tank capstan, 2-7, supporting roller, 2-8, bucket are cleaned；

3-1, flotation tank water inlet, 3-2, flotation tank water outlet, 3-3, air induction conduit, 3-4, grease adsorption chain, 3-5, gas Floating pond guide wheel, 3-6, flotation tank clean dress, 3-7, grease treatment trough, 3-8, water stream channel；

6-1, metal-organic framework material (MOFs) packed absorber water inlet, 6-2, metal-organic framework material (MOFs) Packed absorber water outlet, 6-3 gas vent, 6-4 demister, 6-5 overflow plate, the first metal-organic framework material of 6-6 (MOFs) packing layer, 6-7 manhole, the first liquid distribution trough of 6-8,6-9 second liquid distributor, 6-10, the second metal have machine frame Frame material (MOFs) packing layer, the gas access 6-11,6-12 phegma water inlet, 6-13 conical skirt support.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.

The utility model first proposed a kind of sewage-treatment plant of metal-organic framework material (MOFs), the device Sewage treatment substep device includes following part, as shown in fig. 1:

Including the screening pond 1 being sequentially communicated, rectangular sedimentation tank 2, flotation tank 3, coagulative precipitation pond 4, the first centrifugal pump 5, Metal-organic framework material (MOFs) packed absorber 6, liquid cyclone 7, the second centrifugal pump 8, liquid storage tank 9.

Wherein, the water outlet for screening pond 1 is connected to the water inlet of rectangular sedimentation tank 2, the water outlet of rectangular sedimentation tank 2 It is connected to the water inlet of flotation tank 3, the water outlet of flotation tank 3 is connected to the water inlet in coagulative precipitation pond 4, coagulative precipitation pond 4 Water outlet is connected to 5 water inlet of the first centrifugal pump, and 5 water outlet of the first centrifugal pump and metal-organic framework material (MOFs) filler are inhaled Receive the water inlet connection of tower 6, the water outlet of metal-organic framework material (MOFs) packed absorber 6 and entering for liquid cyclone 7 Mouth of a river connection, the phegma water outlet of liquid cyclone 7 are connected to the second centrifugal pump 8, the water outlet and metal of the second centrifugal pump 8 The phegma water inlet of organic framework materials (MOFs) packed absorber 6 is connected to, the water outlet and liquid storage tank 9 of liquid cyclone 7 Water inlet connection.

Wherein as shown in Figure 2, the water inlet 1-1 in screening pond 1 is located at pond side, and wherein treatment sewage is directly therefrom Screening pond 1 is poured into, and screens the water outlet 1-2 in pond then in the other side in screening pond.In order to complete level-one sewage treatment, screen Grid and sieve 1-3 are mounted in pond 1, wherein grid screens pond master by grille mounting 1-5, rake teeth 1-6, driving chain 1-10 Guide wheel 1-7, lower tumbler 1-9, screening pond clean dress 1-8 composition.The bottom of entire grille mounting 1-5 is fixed on bottom of pond and is equipped with down Guide wheel 1-9, top be higher than the water surface, higher than the water surface part be equipped with screening pond capstan 1-7 and screening pond clean dress 1-8 and By its tangent placement side by side, so that contact screening pond during driving transmission screening pond capstan 1-7 cleans dress 1-8, Sprocket wheel is effectively cleaned, wherein it cleans dress hairbrush setting predominantly equal with the width of chain.

Driving chain 1-10 is centered around on screening pond capstan 1-7 and lower tumbler 1-9, and is installed on driving chain 1-10 Rake teeth 1-6.It screens pond capstan 1-7 and drives driving chain 1-10 rotation, to drive rake teeth 1-6 that will screen the big of 1 bottom of pond Block solids, such as stone, soil etc are taken out of.Screening pond is set simultaneously and cleans dress 1-8 for the solid between remaining in rake teeth 1-6 Object cleans up.

Sieve 1-3 is also set up between grid and water outlet 1-2, and is fixed on screening pond 1 with sieve fixed frame 1-4 In, wherein sieve mesh number cannot be less than 100.

Further, because the object filtered out is bulk solid object, rake teeth 1-6 can have certain contact surface Long-pending and rigidity, can drive bulk solid object, and rake teeth 1-6 needs to be removably mounted on driving chain 1-10, one at The set-up mode of pattern can increase puzzlement instead for replacement or maintenance.

Further, the solids of grid cleaning gaps and omissions and the solids stopped by sieve 1-3 can be in the water flows of sieve Always side accumulation, it is contemplated that treating capacity and cost problem can assist solving by the way of manually pulling out.Quilt simultaneously The bulk solid object and above-mentioned object that grid transports take in collection raising middle flask together and transport.

Further, above-mentioned 1 internal environment pH value of screening pond will not be stablized 7 or so, can generally be slightly above 7 or be slightly below 7, therefore many dresses including lower tumbler 1-9, driving chain 1-10, rake teeth 1-6, including sieve 1-3, sieve fixed frame 1-4 It sets and needs to have certain antiacid caustic corrosion ability, but screen pond 1 simultaneously and belong to level-one sewage treatment step, handle big solid The material of object, selection should be able to shock resistance.Therefore preferably stainless in the wherein specific embodiment of above-mentioned preparation facilities Steel.

In the detail view of rectangular sedimentation tank 2 shown in Fig. 3,2 side of rectangular sedimentation tank enters for rectangular sedimentation tank Mouth of a river 2-1, and its other side is rectangular sedimentation tank water outlet 2-2, rectangular sedimentation tank water outlet 2-2 is in overflow weir 2-3 In, avoid fraction solids sediment from pouring in rectangular sedimentation tank water outlet 2-2 with water flowing.

Further, rectangular sedimentation tank capstan 2-6 is installed in above-mentioned rectangular sedimentation tank 2, cleans toothed chain 2- 5, supporting roller 2-7, rectangular sedimentation tank capstan 2-6 installation close at the water surface, make to be more convenient when its maintenance in water.The structure It will can largely be suspended in liquid level or liquid, partial size takes in bucket 2-8 in 100 microns or more of particulate matter.Simultaneously Mud guard 2-4 is set far from the rectangular sedimentation tank side water outlet 2-2 in rectangular sedimentation tank overflow weir 2-3, prevents pool water within During violent flow, solid particle pours in overflow weir 2-3 with water.

Further, the present apparatus mainly removes particulate matter of the partial size at 100 microns or more, therefore cleans on toothed chain 2-5 Tooth need small and dense, organic material can be selected to be made, as one such embodiment, preferably polyamide (PA), poly- Phenylate (PPO).

In the detail view of flotation tank 3 as shown in Figure 4, the side of flotation tank 3 is flotation tank water inlet 3-1, and flotation tank is another Outer side is flotation tank water outlet 3-2, is equipped with an air inlet close to the side flotation tank water inlet 3-1 in 3 inside of flotation tank and leads Pipe 3-3, by the ventilation into water so that the light contaminants such as grease in water float.

Further, it is equipped on the top of flotation tank 3 including flotation tank guide wheel 3-5, grease adsorption chain 3-4, flotation tank It cleans devices, the flotation tank guide wheel 3-5 such as dress 3-6 to rotate counterclockwise, grease adsorption chain 3-4 is driven to take away the grease on liquid level, And dress 3-6 is cleaned by flotation tank and is cleared up to grease treatment trough 3-7.Meanwhile grease does not take liquid level to by gas in order to prevent , need to be separated by flotation tank with regard to flowing into flotation tank water outlet 3-2, only retain water stream channel 3-8.

Further, grease adsorption chain 3-4 purpose is to drive grease into grease treatment trough 3-7, adsorbs chained list Face is wrapped up with lax porous material, on the one hand can adsorb grease, on the other hand, the promotion of more grease water flows and grease Enter in grease treatment trough 3-7 under the drive of adsorption chain 3-4.It is swept even if grease adsorption chain 3-4 has flotation tank to clean dress 3-6, Also it should replace in time.

4 side of coagulative precipitation pond is water inlet, and it is water outlet in overflow weir that other side, which is equipped with overflow weir,.Overflow weir Effect is to prevent sediment from pouring in water outlet with water flow.It is added a large amount of flocculants in coagulative precipitation pond 4, colloid is destroyed with this Stability, make colloidal particle occur flocks, generate flocculate and suction-operated occurs, formed precipitating.After forming precipitating, generally Precipitating is salvaged in a manner of being manually preferably machine auxiliary.

The water inlet of first centrifugal pump 5 is in the side that it is connected to coagulative precipitation pond, water outlet side disposed thereon, effect It is that sewage to be processed is sent to metal-organic framework material (MOFs) packed absorber 6.

In metal-organic framework material (MOFs) packed absorber 6, water inlet 6-1 is connected at it with the first centrifugal pump 5 Side, packed tower tower bottom lower end be equipped with water outlet 6-2, tower top upper end be equipped with gas vent 6-3, a upper lateral part be equipped with phegma Gas access 6-11 is arranged in tower body lower part and tower bottom junction in water inlet 6-12.The inside main device of tower body has overflow plate 6-5, the first liquid distribution trough 6-8, the first MOFs packing layer 6-6, second liquid distributor 6-9, the 2nd MOFs packing layer 6-10. Sewage to be processed passes through overflow plate 6-5, is allowed on gentle the first liquid distribution trough of inflow 6-8, and the first liquid distribution trough Sewage is uniformly flowed into the first MOFs packing layer 6-6 by 6-8, after the processing of MOFs filling adsorption, is distributed by second liquid Device 6-9, its object is to redistribute several strands formed under graviational interaction thicker water columns at uniform and fine and closely woven water flow, Adsorption treatment is carried out again into the 2nd MOFs packing layer 6-10, and the water finally handled enters liquid point by water outlet 6-2 Flow device 7.

Further, in general packed absorber, using the gas with adsorption property, the effect of filler is to allow liquid Body forms careful liquid film with gas and solid packing in packing layer, then increases the response area of liquid and gas, makes it It is more efficient.And in the present apparatus, basic principle is constant, but the liquid film formed can make the same metal-organic framework material of liquid (MOFs) filler contact surface is bigger, thus treatment effeciency is also higher.

Further, it is passed through gas to gas access 6-11, when gas and liquid contact in packing layer, will form liquid film And be in close contact with metal-organic framework material (MOFs) filler, increase contact area, improves sewage treating efficiency.While in order to It avoids least a portion of moisture from being brought into tower top by air-flow, therefore is equipped with demister 6-4 inside tower top.

Further, metal-organic framework material (MOFs) is colourless cubic crystal, has the rigidity of inorganic material and has The flexible characteristic of machine material, therefore various shape can be made.In utility model device, it is made into the shape of gasket packing Shape.

Further, packing layer is made of gasket packing, the gasket packing made of metal-organic framework material (MOFs) It can be directly installed in packed tower, the close installation of metal-organic framework material (MOFs) gasket packing in layer is arranged Form a packing layer.

Further, it needs that manhole 6-7 is arranged inside packed tower, its purpose is to easily load and unload and replace to fill out Material.

Further, metal-organic framework material (MOFs) packed absorber 6 uses conical skirt support 6-13, and purpose exists In lower part, forced area is bigger, and wind load is big, keeps entire tower apparatus more secured.

In liquid cyclone 7, the side being connected to 6 water outlet of metal-organic framework material (MOFs) packed absorber is Water inlet, the other side are water outlet, and lower end is phegma water outlet, and water inlet is normally opened, and two water outlets are respectively set one can The valve closed at any time detects that Cr (VI) is exceeded, closes immediately it is possible to further which a detector is arranged in water inlet Outlet valve is closed, opens phegma outlet valve, and even if this process should maintain one section then and not exceeded Time.

Further, detector is concentration of heavy metal ion detector, can detecte out heavy metal ion content, the detection Device and outlet valve and phegma outlet valve are controlled using electric signal, i.e., can make instead when heavy metal ion is exceeded It answers, may further determine that in sewage and be discharged after heavy metal free pollutant.

Further, which avoids exceeded water from flowing into liquid storage tank as a safeguard procedures, and corresponding some protection are arranged It applies, for example the filter device made of metal-organic framework material (MOFs) powder all may be used.

The water inlet of second centrifugal pump 8 is in the side that the second centrifugal pump 8 is connected to the water outlet of liquid cyclone 7, water outlet The effect in mouth portion disposed thereon, the second centrifugal pump 8 is organic for that will detect that underproof water is delivered to metal by liquid cyclone 7 Processing is reuptaked in frame material (MOFs) packed absorber 6.

The water inlet of liquid storage tank 9 is in the side that it is connected to liquid cyclone 7, for storing the water after handling qualification.

Wherein, the specific steps process for executing sewage treatment according to the utility model is as follows:

(1) sewage is passed through in screening pond 1 by screening pond water inlet 1-1, consolidating for bulk is removed by grid and sieve 1-3 Body particle is to carry out primary filtration.

(2) rectangular sedimentation tank 2 is entered by rectangular sedimentation tank water inlet 2-1 by the sewage that screening pond 1 is handled, by grain Diameter is removed in 100 microns or more of particulate matter.

(3) flotation tank 3 is entered by flotation tank water inlet 3-1 by the sewage that rectangular sedimentation tank 2 is handled, by institute in sewage The grease removal contained, so far completes sewage coagulation.

(4) by flotation tank 3, treated that sewage enters coagulative precipitation pond 4, while putting into a large amount of flocculants thereto, makes Flocks occur for colloidal particle, generate precipitating, complete sewage second-level processing by this method.

(5) metal-organic framework material (MOFs) is passed by the first centrifugal pump 5 by treated in coagulative precipitation pond 4 water In packed absorber 6, adsorption treatment is carried out.

(6) sewage enters in metal-organic framework material (MOFs) packed absorber 6, by the first overflow plate 6-5 and After the liquid distribution of first liquid distribution trough 6-8, liquid enter the first metal-organic framework material (MOFs) packing layer 6-6 and with The gasket packing made of metal-organic framework material (MOFs) comes into full contact with, so that the Cr (VI) in water is adsorbed, connects down Enter second liquid distributor 6-9, the second metal-organic framework material (MOFs) packing layer 6-10 repeats aforesaid operations, finally Into water outlet 6-2, liquid cyclone 7 is flowed to.

(7) by metal-organic framework material (MOFs) packed absorber 6, treated that water is needed by liquid cyclone 7 Detection, it is qualified that liquid storage tank 9 is entered by its water outlet, it is underproof that second centrifugal pump 8 is entered by phegma water outlet, then It is back in metal-organic framework material (MOFs) packed absorber 6 and reuptakes processing.

It is worth noting that, water outlet and water inlet and its valve, pipeline in above-mentioned sewage-treatment plant etc. is specific Equipment is that can be realized the conventional arrangement of big flow and the controllable inflow and outflow of flow in the prior art, no longer right herein Its concrete form is repeated, in addition, in automation generating process industrially, it can be in conjunction with computer technology to above-mentioned valve Time folding time of door is controlled, so that above-mentioned sewage-treatment plant, which can pass through above-mentioned process, completes sewage Treatment process, wherein in this not go into detail there are commonly industrial personal computer technology etc..

As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change Into etc., it should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of sewage-treatment plant based on metal-organic framework material, which is characterized in that including being sequentially communicated to sewage Execute pretreated screening pond (1), rectangular sedimentation tank (2), flotation tank (3), coagulative precipitation pond (4) and metal organic frame The precipitating solid content in sewage, solid particles, grease, colloidal ion and a huge sum of money are thus successively realized in filling material absorption tower (6) Belong to the processing of ion, wherein

Water inlet (6-1) is arranged in metal-organic framework material packed absorber (6) side, and end is equipped with water outlet under the other side Mouth (6-2), tower top upper end are equipped with gas vent (6-3), and the water outlet (6-2) is equipped with phegma water inlet (6- with upper lateral part 12) tower body lower part and tower bottom junction, are provided with gas access (6-11)；The inside of the tower body is set along the direction of water flow It is equipped with overflow plate (6-5), at least one level successively with the first liquid distribution trough (6-8) and the first metal-organic framework material filler The cascade component of layer (6-6) composition, the water outlet (6-2) are connected to liquid cyclone (7).

2. as described in claim 1 based on the sewage-treatment plant of metal-organic framework material, which is characterized in that the liquid Setting concentration of heavy metal ion detector and electric control valve are flowed into current divider (7) with the next stage for switching sewage.

3. as described in claim 1 based on the sewage-treatment plant of metal-organic framework material, which is characterized in that the liquid It is additionally provided with after current divider (7) liquid storage tank (9), the liquid cyclone (7) is connected to the liquid storage tank (9).

4. as described in claim 1 based on the sewage-treatment plant of metal-organic framework material, which is characterized in that the metal Organic framework materials packing layer (6-6) by metal-organic framework material gasket packing along water flow direction be close to inner wall of tower arrangement and At.

5. the sewage-treatment plant based on metal-organic framework material as described in any one of claim 1-4, feature It is, grid and sieve (1-3) are mounted in the screening pond (1), and the grid includes grille mounting (1-5), rake teeth (1- 6), driving chain (1-10) is screened pond capstan (1-7), lower tumbler (1-9), and screening pond cleans dress (1-8)；

The bottom of the grille mounting (1-5) is fixed on bottom of pond and equipped with lower tumbler (1-9), grille mounting (1-5) top Higher than the water surface, the screening pond capstan (1-7) is installed higher than the part of the water surface and screening pond clean dress (1-8) and by its Tangent placement arranged side by side, so that the rake teeth (1-6) being detachably arranged on the driving chain (1-10) takes away the bottom Solid content, the screening pond capstan (1-7) contacts screening pond during transmission and cleans dress (1-8), so that the transmission Chain (1-10) is cleaned.

6. as claimed in claim 5 based on the sewage-treatment plant of metal-organic framework material, which is characterized in that in the grid It is also set up sieve (1-3) between lattice and screening pond water outlet, and is fixed on the screening pond (1) with sieve fixed frame (1-4) It is interior, wherein the mesh number of the sieve (1-3) is not less than 100.

7. the sewage-treatment plant based on metal-organic framework material as described in any one of claim 1-4, feature It is, the rectangular sedimentation tank (2) is provided with rectangular sedimentation tank capstan (2-6), cleans toothed chain (2-5), supporting roller (2- 7), cleaning toothed chain (2-5) is under the driving of rectangular sedimentation tank capstan (2-6) and supporting roller (2-7) to be in liquid level The setting of maximized surface contact area, so that being suspended in liquid level or liquid, partial size takes mud in 100 microns or more of particulate matter In bucket 2-8.

8. as described in claim 7 based on the sewage-treatment plant of metal-organic framework material, which is characterized in that described flat The exit of flow settling pond (2) is additionally provided with overflow weir (2-3), and the overflow weir (2-3) also sets in the front end that sewage enters Mud guard (2-4) is set, during preventing pool water within violent flow, the solid particles pour in overflow weir (2-3) with water In.

9. the sewage-treatment plant based on metal-organic framework material as described in any one of claim 1-4, feature It is, the flotation tank (3) is provided with flotation tank guide wheel (3-5), grease adsorption chain (3-4), and flotation tank cleans dress (3-6), The grease adsorption chain (3-4) under the driving of flotation tank guide wheel (3-5) with liquid level in maximized surface contact area be arranged, band The grease adsorption chain (3-4) is moved to take away the grease on liquid level.

10. as claimed in claim 9 based on the sewage-treatment plant of metal-organic framework material, which is characterized in that the gas Floating pond (3) are provided at least one air induction conduit (3-3), by ventilating into water so that the grease in water floats.