CN209411955U - A kind of sewage treatment settling tank - Google Patents

Abstract

The utility model discloses a kind of sewage treatment settling tank, including settling tank ontology and the first filtering tank, first filtering tank is set in settling tank ontology, settling tank body bottom portion offers sewage draining exit, water inlet and injecting mouth are offered on the side wall of settling tank ontology, multiple baffles are provided in the lateral wall circumferential direction of first filtering tank, a mounting ring is fixedly connected with by connection frame on the inner sidewall of settling tank ontology, a bearing is arranged in mounting ring, the upper end of first filtering tank is sheathed in bearing, the lower end of first filtering tank is provided with a water inlet pipe, stirring blade is provided on water inlet pipe lateral wall, water inlet pipe is connected to settling tank ontology and the first filtering tank, the first filter assemblies are provided in first filtering tank, first filtering tank, which is located on the tank skin above the first filter assemblies, is connected with the first outlet pipe, first outlet pipe stretches out settling tank ontology.The sewage treatment settling tank, can be effectively isolated sediment and clear liquid, avoid sediment and clear liquid from mixing, and improve settling velocity.

Description

A kind of sewage treatment settling tank

Technical field

The utility model relates to technical field of sewage, more particularly to a kind of sewage treatment settling tank.

Background technique

It is also more and more along with sewage caused by human lives' production activity with the continuous development of human society, Settling tank is very important a kind of processing equipment in sewage treatment.And existing settling tank, it is heavy in water inlet, draining and removing During starch matter, deposit has often easily been agitated and has been entered in settled clear liquid, to influence sedimentation effect. And in sewage disposal process, need to be added flocculant and carry out magazine precipitation and separation, in existing settling tank, flocculant is often not It can sufficiently be mixed with liquid, settling velocity is lower.

Utility model content

The purpose of the utility model is to provide a kind of sewage treatment settling tank, to solve above-mentioned of the existing technology ask Topic, is effectively isolated sediment and clear liquid, avoids sediment and clear liquid from mixing, and improve settling velocity.

To achieve the above object, the utility model provides following scheme:

The utility model provides a kind of sewage treatment settling tank, including settling tank ontology and the first filtering tank, and described first Filtering tank is set in the settling tank ontology, and the settling tank body bottom portion offers sewage draining exit, the settling tank ontology Water inlet and injecting mouth are offered on side wall, and multiple baffles are provided in the lateral wall circumferential direction of first filtering tank, it is described heavy A mounting ring is fixedly connected with by connection frame on the inner sidewall of shallow lake tank ontology, a bearing is arranged in the mounting ring, it is described The upper end of first filtering tank is sheathed in the bearing, and the lower end of first filtering tank is provided with a water inlet pipe, the water inlet It is provided with stirring blade on pipe lateral wall, the water inlet pipe is connected to the settling tank ontology and first filtering tank, and described the The first filter assemblies are provided in one filtering tank, first filtering tank is located on the tank skin above first filter assemblies and connects It is connected to the first outlet pipe, first outlet pipe stretches out the settling tank ontology.

Preferably, further include the second filtering tank, the second filter assemblies are provided in second filtering tank, described first goes out Water pipe is connected to the bottom of second filtering tank and is connected to first filtering tank and second filtering tank, second mistake Filter tank, which is located on the tank skin above second filter assemblies, is connected with the second outlet pipe.

Preferably, sealing wears a connecting tube in the injecting mouth, and reagent shut-off valve is provided in the connecting tube, described Connecting tube stretches in the settling tank ontology and is connected with a reagent filler pipe, and the reagent filler pipe is from the settling tank sheet The bottom of the settling tank ontology is extended at the top of body, offers multiple filler ports on the reagent filler pipe.

It preferably, further include an inflator pump, the inflator pump is connected with an appendix, is provided with gas transmission on the appendix Valve offers an air inlet on the settling tank ontology, an aeration tube is provided in the settling tank ontology, the appendix is close Envelope is connected to across the air inlet and with the aeration tube, and the aeration tube extends to described from the top of the settling tank ontology The bottom of settling tank ontology offers multiple solarization air caps in the aeration tube.

Preferably, first filter assemblies include being disposed with the first impurity filtering net and biomembrane mistake from the bottom to top Strainer, the biofilm filtration net include supporting network and the biomembrane that is attached on the supporting network.

Preferably, the impurity filtering net includes the coarse filtration net set gradually from the bottom to top and smart filter screen.

Preferably, second filter assemblies include being disposed with activated carbon filter layer, glass fibre mistake from the bottom to top Filtering layer and reverse osmosis membrane.

Preferably, the sewage draining exit has a sludge collecting box by the first piping connection, is provided with blowdown valve at the sewage draining exit, The sludge collecting box is connect by the second pipeline with a header tank, and the sludge collecting box and second line connection are provided with second Impurity filtering net.

Preferably, the stirring blade is helical blade, and the settling tank body bottom portion is provided with an observation window.

Preferably, sealing is equipped with a sewage inlet pipe in the water inlet, and a sewage pump is provided in the sewage inlet pipe.

The utility model achieves following technical effect compared with the existing technology:

Sewage treatment settling tank provided by the utility model, sewage are entered in settling tank ontology by water inlet, and can be led to It crosses injecting mouth and injects the progress sewage treatment of the reagent treatments such as flocculant, pH adjusting agent into settling tank ontology, water inlet face is set It is equipped with the side wall setting of the first filtering tank of baffle, the intrinsic Sewage shock baffle of settling tank is entered to by water inlet, thus The first filtering tank is pushed to rotate；The rotation of first filtering tank drives the water inlet pipe rotation of the first filtering tank lower end, so that outside water inlet pipe Stirring blade on side wall stirs the intrinsic liquid of settling tank, is sufficiently mixed liquid with sewage treatment reagent, accelerates sewage Every reaction of processing, and it is not necessarily to additionaling power, it is energy saving；Then, sewage enters in the first filtering tank, by the first filtering Component obtains clear liquid after being filtered, the side wall of the first filter assemblies is closely connect with the inner sidewall of the first filtering tank, clear liquid Settling tank ontology is discharged by the first outlet pipe.Since sediment can not be by the first filter assemblies, so the first filtering group Part just keeps apart filtered clear liquid and sediment, avoids sediment and mixes with clear liquid, improves settling velocity.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.

Fig. 1 is the structural schematic diagram of sewage treatment settling tank provided by the utility model；

In figure: 1- settling tank ontology；11- blowdown valve；12- connection frame；13- mounting ring；14- bearing；15- connecting tube；16- Reagent filler pipe；161- filler port；17- observation window；18- sewage inlet pipe；19- sewage pump；The first filtering tank of 2-；21- baffle； 22- water inlet pipe；221- stirring blade；The first outlet pipe of 23-；24- coarse filtration net；25- essence filter screen；26- biofilm filtration net； The second filtering tank of 3-；The second outlet pipe of 31-；32- activated carbon filter layer；33- glass fiber filters；34- reverse osmosis membrane；41- Inflator pump；42- appendix；43- gas valve；44- aeration tube；441- solarization air cap；5- sludge collecting box；The first pipeline of 51-；52- second Impurity filtering net；6- header tank；The second pipeline of 61-.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The purpose of the utility model is to provide a kind of sewage treatment settling tank, to solve above-mentioned of the existing technology ask Topic, is effectively isolated sediment and clear liquid, avoids sediment and liquid is asked to mix, and improve settling velocity.

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have Body embodiment is described in further detail the utility model.

As shown in Figure 1, the utility model provides a kind of sewage treatment settling tank, in one specific embodiment of the utility model In, sewage treatment settling tank includes settling tank ontology 1 and the first filtering tank 2, and the first filtering tank 2 is set in settling tank ontology 1, 1 bottom of settling tank ontology offers sewage draining exit, and water inlet and injecting mouth, the first filtering are offered on the side wall of settling tank ontology 1 It is provided with multiple baffles 21 in the lateral wall circumferential direction of tank 2, is fixedly connected on the inner sidewall of settling tank ontology 1 by connection frame 12 One mounting ring 13, a bearing 14 is arranged in mounting ring 13, and the upper end of the first filtering tank 2 is sheathed in bearing 14 and can be in bearing It is inside freely rotated, the lower end of the first filtering tank 2 is provided with a water inlet pipe 22, is provided with stirring blade on 22 lateral wall of water inlet pipe 221, water inlet pipe 22 is connected to settling tank ontology 1 and the first filtering tank 2, is provided with the first filter assemblies in the first filtering tank 2, and first Filtering tank 2 is connected with the first outlet pipe 23 on the tank skin being located above the first filter assemblies, and the first outlet pipe 23 stretches out precipitating Tank ontology 1.

Sewage treatment settling tank provided by the utility model, sewage are entered in settling tank ontology 1 by water inlet, and can be led to It crosses injecting mouth and injects the progress sewage treatment of the reagent treatments such as flocculant, pH adjusting agent into settling tank ontology 1, water inlet face is set It is equipped with the side wall setting of the first filtering tank 2 of baffle 21, baffle 21 and the angle of horizontal plane are 70 °~80 °, and multiple baffles 21 exist The outer surface of first filtering tank 2 is circumferentially equidistant from arranging and being located at sustained height, is entered in settling tank ontology 1 by water inlet Sewage shock baffle 21, to push the rotation of the first filtering tank 2；The rotation of first filtering tank 2, drives 2 lower end of the first filtering tank Water inlet pipe 22 rotates, so that the stirring blade 221 on 22 lateral wall of water inlet pipe stirs the liquid in settling tank ontology 1, makes liquid It is sufficiently mixed with sewage treatment reagent, accelerates every reaction of sewage treatment, and be not necessarily to additionaling power, it is energy saving；Then, dirty Water enters in the first filtering tank 2, obtains clear liquid after being filtered by the first filter assemblies, the side wall of the first filter assemblies with The inner sidewall of first filtering tank 2 closely connects, and settling tank ontology 1 is discharged by the first outlet pipe 23 in clear liquid.Not due to sediment It can be avoided by the first filter assemblies so the first filter assemblies just keep apart filtered clear liquid and sediment Sediment is mixed with clear liquid, improves settling velocity.

In another specific embodiment of the utility model, in order to further increase clean-up effect, sewage treatment settling tank Further include the second filtering tank 3, the second filter assemblies are provided in the second filtering tank 3, the first outlet pipe 23 is connected to the second filtering The bottom of tank 3 is simultaneously connected to the first filtering tank 2 and the second filtering tank 3, and the second filtering tank 3 is in the tank being located above the second filter assemblies The second outlet pipe 31 is connected on wall.Clear liquid after the first filter assemblies filtration, purification is entered to by the first outlet pipe 23 It in second filtering tank 3, and is further purified by the second filter assemblies, improves the clean-up effect to sewage.

In another specific embodiment of the utility model, in order to make sewage contact more abundant, raising sewage with reagent Settling efficiency, sealing wears a connecting tube 15 in the injecting mouth of sewage treatment settling tank, and reagent is provided in connecting tube 15 and is cut Only valve, connecting tube 15 stretch in settling tank ontology 1 and are connected with a reagent filler pipe 16,16 autoprecipitation tank sheet of reagent filler pipe The top of body 1 extends to the bottom of settling tank ontology 1, and multiple filler ports 161 are offered on reagent filler pipe 16, so as to when it is dirty Water process reagent is uniformly distributed in settling tank ontology 1, and acceleration sewage is reacted with reagent, improves sewage treating efficiency and effect Fruit.

In another specific embodiment of the utility model, sewage treatment settling tank further includes an inflator pump 41, inflator pump 41 are connected with an appendix 42, and gas valve 43 is provided on appendix 42, an air inlet is offered on settling tank ontology 1, precipitating An aeration tube 44 is provided in tank ontology 1,42 hermetically passing air inlet of appendix is simultaneously connected to aeration tube 44, and aeration tube 44 is drowned oneself The top of shallow lake tank ontology 1 extends to the bottom of settling tank ontology 1, and multiple solarization air caps 441 are offered on aeration tube 44.Inflator pump 41 Gas is conveyed into aeration tube 44 by appendix 42, gas is entered in settling tank ontology 1 by solarization air cap 441, further The mixing and reaction for promoting various sewage treatment reagents and sewage, further increases sewage treating efficiency and effect.

In another specific embodiment of the utility model, the first filter assemblies of sewage treatment settling tank include by down toward On be disposed with the first impurity filtering net and biofilm filtration net 26, biofilm filtration net 26 includes supporting network and is attached to branch Support online biomembrane.Biofilm filtration net 26 carries out biological film process to sewage, and the air that aeration tube 44 exports also can simultaneously Enough supplied oxygen for biomembrane filter screen 26.

In another specific embodiment of the utility model, the impurity filtering net of sewage treatment settling tank includes from the bottom to top The coarse filtration net 24 and smart filter screen 25 set gradually.Coarse filtration net 24 and smart filter screen 25 are respectively to the miscellaneous of different-grain diameter size Matter is filtered, and the impurity partial size that smart filter screen 25 can filter out is less than coarse filtration net 24, can select to meet according to demand The impurity filtering net that filter requires is filtered the impurity in sewage.

In another specific embodiment of the utility model, in order to reinforce filter effect, the second of sewage treatment settling tank Filter assemblies include being disposed with activated carbon filter layer 32, glass fiber filters 33 and reverse osmosis membrane 34 from the bottom to top.

In another specific embodiment of the utility model, the sewage draining exit of sewage treatment settling tank is connected by the first pipeline 51 It is connected to a sludge collecting box 5, blowdown valve 11 is provided at sewage draining exit, sludge collecting box 5 is connect by the second pipeline 61 with a header tank 6, is collected Dirty case 5 and 61 junction of the second pipeline are provided with the second impurity filtering net 52.It is miscellaneous to sludge in settling tank ontology 1 etc. when needing When matter is cleared up, blowdown valve 11 can be opened, by settling tank ontology 1 liquid and impurity be discharged, due to sludge collecting box 5 with Second pipeline, 61 junction is provided with the second impurity filtering net 52, and liquid enters to header tank after passing through the second impurity filtering net 52 It, can be to handle in next step in 6；Solid impurity is then intercepted in sludge collecting box 5 by the second impurity filtering net 52, carries out to sludge collecting box 5 It removes contamination processing, it is convenient and efficient, and the liquid in settling tank ontology 1 will not be wasted.It removes contamination in the side wall setting one of sludge collecting box 5 Door, soil-shifting door is opened, can be to clearing up inside sludge collecting box 5.

In another specific embodiment of the utility model, the stirring blade 221 of sewage treatment settling tank is helical blade, 1 bottom of settling tank ontology is provided with an observation window 17, the contamination precipitation amount in settling tank ontology 1 can be observed in time, in time to it It is cleared up.

In another specific embodiment of the utility model, sealing is equipped with a dirt in the water inlet of sewage treatment settling tank Water inlet pipe 18 is provided with a sewage pump 19 in sewage inlet pipe 18.

Specific case is applied in the utility model to be expounded the principles of the present invention and embodiment, it is above The explanation of embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for the one of this field As technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up Described, the content of the present specification should not be construed as a limitation of the present invention.

Claims (10)

1. a kind of sewage treatment settling tank, it is characterised in that: including settling tank ontology and the first filtering tank, first filtering tank It is set in the settling tank ontology, the settling tank body bottom portion offers sewage draining exit, on the side wall of the settling tank ontology Water inlet and injecting mouth are offered, multiple baffles, the settling tank sheet are provided in the lateral wall circumferential direction of first filtering tank A mounting ring is fixedly connected with by connection frame on the inner sidewall of body, a bearing, first mistake are arranged in the mounting ring The upper end of filter tank is sheathed in the bearing, and the lower end of first filtering tank is provided with a water inlet pipe, the water inlet pipe outside Stirring blade is provided on wall, the water inlet pipe is connected to the settling tank ontology and first filtering tank, first filtering The first filter assemblies are provided in tank, first filtering tank, which is located on the tank skin above first filter assemblies, is connected with One outlet pipe, first outlet pipe stretch out the settling tank ontology.

2. sewage treatment settling tank according to claim 1, it is characterised in that: it further include the second filtering tank, described second The second filter assemblies are provided in filtering tank, first outlet pipe is connected to described in the bottom of second filtering tank and connection First filtering tank and second filtering tank, second filtering tank, which is located on the tank skin above second filter assemblies, to be connected There is the second outlet pipe.

3. sewage treatment settling tank according to claim 1, it is characterised in that: sealing wears a connection in the injecting mouth It manages, reagent shut-off valve is provided in the connecting tube, the connecting tube stretches in the settling tank ontology and is connected with an examination Agent filler pipe, the reagent filler pipe extends to the bottom of the settling tank ontology from the top of the settling tank ontology, described Multiple filler ports are offered on reagent filler pipe.

4. sewage treatment settling tank according to claim 1, it is characterised in that: further include an inflator pump, the inflator pump It is connected with an appendix, gas valve is provided on the appendix, an air inlet is offered on the settling tank ontology, it is described heavy An aeration tube is provided in the tank ontology of shallow lake, air inlet described in the appendix hermetically passing is simultaneously connected to the aeration tube, described Aeration tube extends to the bottom of the settling tank ontology from the top of the settling tank ontology, offers in the aeration tube multiple Solarization air cap.

5. sewage treatment settling tank according to claim 1 or 4, it is characterised in that: first filter assemblies include by Under it is supreme be disposed with the first impurity filtering net and biofilm filtration net, the biofilm filtration net includes supporting network and attachment Biomembrane on the supporting network.

6. sewage treatment settling tank according to claim 5, it is characterised in that: the impurity filtering net includes from the bottom to top The coarse filtration net and smart filter screen set gradually.

7. sewage treatment settling tank according to claim 2, it is characterised in that: second filter assemblies include by down toward On be disposed with activated carbon filter layer, glass fiber filters and reverse osmosis membrane.

8. sewage treatment settling tank according to claim 1, it is characterised in that: the sewage draining exit passes through the first piping connection There is a sludge collecting box, blowdown valve is provided at the sewage draining exit, the sludge collecting box is connect by the second pipeline with a header tank, described Sludge collecting box and second line connection are provided with the second impurity filtering net.

9. sewage treatment settling tank according to claim 1, it is characterised in that: the stirring blade is helical blade, institute It states settling tank body bottom portion and is provided with an observation window.

10. sewage treatment settling tank according to claim 1, it is characterised in that: sealing is equipped with one in the water inlet Sewage inlet pipe is provided with a sewage pump in the sewage inlet pipe.