CN208250045U - A kind of municipal wastewater processing unit - Google Patents

Abstract

The utility model provides a kind of municipal wastewater processing unit, including seal closure, blender, motor, centrifuge, silt basin and water purifying tank；Wherein, the silt basin is connected to by the second connecting tube of a setting water pump with silt basin, is provided with valve in the sewage inlet pipe, the filtrate delivery pipe, the filter residue delivery pipe, the channel, the sediment delivery pipe, first connecting tube and second connecting tube；It further include the vacuum machine for adjusting pressure in the silt basin.The utility model has the advantages that handling in conjunction with a variety of methods municipal wastewater, better processing effect can be made, and more efficient；It is arranged using solid, reduces occupied space, be appropriate for promoting；It is collected using negative pressure auxiliary device is miscellaneous to solid, improves treatment effeciency.

Description

A kind of municipal wastewater processing unit

Technical field

The utility model relates to municipal wastewater process fields, and in particular to a kind of municipal wastewater processing unit.

Background technique

Municipal wastewater processing receives always social great attention, and in Development of China's Urbanization, this problem will be more important.

In the prior art, to municipal wastewater processing generally using physics sedimentation, filtering and the methods of chemical settling, at these Reason method can be effectively treated municipal wastewater, still, still remain following problems:

1) processing equipment can only often realize single processing method, ineffective；

2) efficiency handled is lower, and occupied space is larger, is not suitable for being promoted.

Therefore, urgent need provides one kind in view of the above problems can more effectively handle municipal wastewater and the lesser dress of occupied space It sets.

Utility model content

The utility model provides a kind of municipal wastewater processing unit, solves single method processing sewage in the prior art Ineffective, equipment is often taken up an area larger, and is not easy the problem of promoting.

To achieve the above object, the utility model uses the following technical solution:

A kind of municipal wastewater processing unit, including a seal closure, are equipped with through a sewage inlet pipe in the seal closure Access the blender of source of sewage；Blender passes through motor driven；One centrifuge is installed, centrifuge passes through a filter below blender Liquid delivery pipe is connected to stirrer bottom；Centrifuge is mounted on a silt basin by base, and silt basin is conveyed by a filter residue Pipe is connected to blender；And the channel of connection centrifugation motor spindle and silt basin is provided in base；Centrifuge liquid outlet connection one Centrifugate delivery pipe, and be connected to by it with a settling tank, the sediment delivery pipe of one connection silt basin of sedimentation bottom of pond portion setting； Settling tank is connected to water purifying tank by one first connecting tube；

Wherein, the silt basin is connected to by the second connecting tube of a setting water pump with silt basin, the sewage inlet pipe, institute State filtrate delivery pipe, the filter residue delivery pipe, the channel, the sediment delivery pipe, first connecting tube and described Valve is provided in two connecting tubes；

It further include the vacuum machine for adjusting pressure in the silt basin；

The blender includes shell, and vertically-mounted in shell to have agitating shaft, the one end of the mixing shaft passes through the shell Bottom is connect with the motor output shaft, and the other end extends to case top；Agitating shaft lower end is equipped with one and turns with inner walls The filter plate of dynamic connection；Several stirring rods are axially installed with along agitating shaft on agitating shaft on filter plate.

In the technical program, municipal wastewater is handled in seal closure, can effective isolating device to ring around The influence in border；The stirring rod installed on filter plate and agitating shaft and agitating shaft is provided in blender, it can be in blender Sewage is stirred, and by being filtered to the sewage after stirring, to remove the larger impurity wherein contained, can reduce dress in this way Set the energy consumption for continuing with municipal wastewater；Filtrate enters centrifuge by filtrate delivery pipe and carries out centrifugal treating, to remove wherein The smaller impurity contained, particularly, filter residue is entered in silt basin by filter residue delivery pipe, and setting is in order in chemical settling in this way The preceding physical impurity more effectively removed in municipal wastewater, to improve the efficiency of processing；Filtrate is after centrifugation, lower layer's impurity Enter silt basin by the channel being arranged in base, centrifugate is entered in settling tank by centrifugate delivery pipe carries out chemical sink Drop is with final purification municipal wastewater；Last water purifying tank collects that treated water；Particularly, vacuum machine is adjusted in silt basin in negative Pressure condition is conducive to filter residue, impurity etc. and is easier to enter silt basin；Impurity in silt basin places accumulation by prolonged, It also occur that layering (water layer and impurity layer)；Particularly, the setting of the second connecting tube and water pump is in order to which realize can be by silt basin Present in a small amount of upper water be transferred in settling tank and carry out chemical settling processing.

Compared with the prior art, the utility model has the following beneficial effects:

1) municipal wastewater is handled in conjunction with a variety of methods, better processing effect can be made, and more efficient；

2) using three-dimensional arrangement, the occupied space of device is reduced, is appropriate for promoting；

3) it is collected using negative pressure auxiliary device is miscellaneous to solid, improves the treatment effeciency of device.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the structural schematic diagram of the utility model blender.

Appended drawing reference in Figure of description includes: seal closure 1, sewage inlet pipe 2, blender 3, motor 4, centrifuge 5, filter Liquid delivery pipe 6, base 7, silt basin 8, filter residue delivery pipe 9, centrifugate delivery pipe 10, settling tank 11, sediment delivery pipe 12, One connecting tube 13, water purifying tank 14, water pump 15, the second connecting tube 16, valve 17, vacuum machine 18, shell 19, agitating shaft 20, stirring Bar 21, filter plate 22, gas collecting tube 23.

Specific embodiment

Such as Fig. 1~2, the present embodiment proposes a kind of municipal wastewater processing unit, including a seal closure 1, in the sealing The blender 3 that source of sewage is accessed by a sewage inlet pipe 2 is installed in cover 1；Blender 3 is driven by motor 4；Under blender 3 Side is equipped with a centrifuge 5, and centrifuge 5 is connected to by a filtrate delivery pipe 6 with 3 bottom of blender；Centrifuge 5 passes through base 7 It is mounted on a silt basin 8, silt basin 8 is connected to by a filter residue delivery pipe 9 with blender 3；And be provided in base 7 connection from The channel (not shown) of 5 bottom of scheming and silt basin 8；5 liquid outlet of centrifuge connect a centrifugate delivery pipe 10, and by its with The connection of one settling tank 11, the sediment delivery pipe 12 of 11 bottom of settling tank setting, one connection silt basin 8；Settling tank 11 passes through one the One connecting tube 13 is connected to water purifying tank 14；

Wherein, the silt basin 8 is connected to by the second connecting tube 16 of a setting water pump 15 with silt basin 8, the sewage Inlet pipe 2, the filtrate delivery pipe 6, the filter residue delivery pipe 9, the channel, the sediment delivery pipe 12, described first connect Valve 17 is provided in adapter tube 13 and second connecting tube 16；

It further include the vacuum machine 18 for adjusting pressure in the silt basin 8；

The blender 3 includes shell 19, and vertically-mounted in shell 19 to have agitating shaft 20, described 20 one end of agitating shaft passes through 19 bottom of shell and the motor 4 export axis connection, and the other end is to extending at the top of shell 19；20 lower end of agitating shaft is equipped with One filter plate 22 being rotatablely connected with 19 inner wall of shell；It is axially installed on agitating shaft 20 on filter plate 22 along agitating shaft 20 several Stirring rod 21.

In above-described embodiment, municipal wastewater is handled in seal closure 1, can effective isolating device to ring around The influence in border；The stirring rod 21 installed on filter plate 22 and agitating shaft 20 and agitating shaft 20 is provided in blender 3, it can be to stirring The sewage mixed in device 3 is stirred, by being filtered to the sewage after stirring, to remove the larger impurity wherein contained, this Sample can reduce the energy consumption that device continues with municipal wastewater；Filtrate is carried out at centrifugation by filtrate delivery pipe 6 into centrifuge 5 Reason, to remove the smaller impurity wherein contained, particularly, filter residue is entered in silt basin 8 by filter residue delivery pipe 9, is arranged in this way It is in order to more effectively remove the physical impurity in municipal wastewater before chemical settling, to improve the efficiency of processing；Filtrate warp After crossing centrifugation, lower layer's impurity passes through the channel being arranged in base 7 and enters silt basin 8, and centrifugate passes through centrifugate delivery pipe 10 Into progress chemical settling in settling tank 11 with final purification municipal wastewater；Last water purifying tank 14 collects that treated water；Especially Ground, vacuum machine 18, which is adjusted, is in negative pressure state in silt basin 8, is conducive to filter residue, impurity etc. and is easier to enter silt basin 8；Mud Impurity in pond 8 places accumulation by prolonged, it also occur that layering (water layer and impurity layer)；Particularly, the second connecting tube 16 and water pump 15 setting, be in order to which a small amount of upper water present in silt basin 8 is transferred to re-starting in settling tank 11 Learn settlement treatment；The setting of agitating shaft 20 and stirring rod 21 is the rapid degree in order to increase municipal wastewater, so that filter effect is more It is good；Filter plate 22 and 19 inner wall of shell are rotatablely connected, and are to be able to achieve filter plate 22 under the driving of motor 4 with 20 turns of agitating shaft It is dynamic and rotate, particularly, in this way, can make filter residue equably respectively on filter plate 22, to improve filter efficiency.

Preferably, the filter plate 22 is between the filtrate delivery pipe 6 and the filter residue delivery pipe 9.Wherein, it sets in this way Set is to enable filter residue to pass through filter residue transfer passage and enter silt basin 8.

Preferably, the second connecting tube 16 of 15 input terminal of water pump extends to 8 upper layer of silt basin.Wherein, in this way Setting is in order to which the water pump 15 on 8 upper layer of silt basin is entered settling tank 11.

Preferably, 15 arrival end of water pump is provided with the strainer for stopping mud.Wherein, setting is in order to anti-in this way What sealing pump 15 was blocked by mud.

Preferably, device further includes one for collecting the gas collecting tube 23 of exhaust gas, and gas collecting tube 23 is connected to the seal closure 1 and uses In the processing unit of processing exhaust gas；And valve 17 is provided on gas collecting tube 23.Wherein, gas collecting tube 23 may also connect at exhaust gas Manage device.

The working principle of the present embodiment:

Municipal wastewater enters blender 3 by sewage inlet pipe 2, and starting motor 4 is stirred, while opening filtrate delivery pipe 6 and centrifuge 5, when centrifugate reaches maximum capacity in settling tank 11, close sewage inlet pipe 2, motor 4, filtrate delivery pipe 6 and Centrifuge 5；Sedimentation agent is added into settling tank 11, carries out chemical settling；Filter residue delivery pipe 9, channel and vacuum machine are opened simultaneously 18, blender 3 and the genuine impurity of centrifuge 5 are delivered to silt basin 8, close filter residue delivery pipe 9, channel and vacuum machine after the completion 18；After the completion of chemical settling, the first connecting tube 13 is opened, the water handled through settling tank 11 is delivered to water purifying tank 14, after the completion Sediment delivery pipe 12 and vacuum machine 18 are opened, the sediment in settling tank 11 is delivered to silt basin 8, closes sedimentation after the completion Object delivery pipe 12 and vacuum machine 18；Complete a municipal wastewater processing.Impurity in silt basin 8 is sent out through sedimentation after a period of time Layer estranged periodically turns on water pump 15 so that the water of silt basin 8 at the middle and upper levels is delivered to settling tank 11 and re-starts processing.

As illustrated in fig. 1 and 2, the present apparatus is handled sewage using the method that physical separation and chemical precipitation combine: Blender 3, centrifuge 5 and silt basin 8 are physical separating process, and chemical precipitation carries out in sedimentation basin 11.Sewage is in blender 3 In be stirred, and the filter plate 22 by being mounted in blender 3 realizes that wherein filter residue enters mud to the slag-liquid separation of sewage In pond 8, filtrate, which enters, carries out centrifugal treating in centrifuge 5；Centrifugate, which enters, carries out chemical precipitation, centrifugation in settling tank 11 It enters in silt basin 8；For centrifugate after chemical precipitation, precipitating enters silt basin 8, and clear liquid enters in water purifying tank 14；Into silt Also contain certain moisture in filtering filter residue, centrifugation filter residue and precipitating in mud sump 8, it will after standing a period of time in silt basin 8 Layering can be generated: supernatant liquor and the lower mud of bottom aqueous amount, wherein supernatant liquor comes back in sedimentation basin 11 and carries out Chemical precipitation.The present apparatus handles filter residue generated in whole process etc. containing more low-moisture substance again, moreover it is possible to mention The purifying rate of high sewage, while the processing cost to solid impurity is reduced, or can directly fill.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (5)

1. a kind of municipal wastewater processing unit, including a seal closure, which is characterized in that be equipped in the seal closure by one The blender of sewage inlet pipe access source of sewage；Blender passes through motor driven；A centrifuge, centrifuge are installed below blender It is connected to by a filtrate delivery pipe with stirrer bottom；Centrifuge is mounted on a silt basin by base, and silt basin passes through one Filter residue delivery pipe is connected to blender；And the channel of connection centrifugation motor spindle and silt basin is provided in base；Centrifuge goes out liquid Mouth one centrifugate delivery pipe of connection, and be connected to by it with a settling tank, sedimentation bottom of pond portion setting one is connected to the sedimentation of silt basin Object delivery pipe；Settling tank is connected to water purifying tank by one first connecting tube；

Wherein, the silt basin is connected to by the second connecting tube of a setting water pump with silt basin, the sewage inlet pipe, the filter Liquid delivery pipe, the filter residue delivery pipe, the channel, the sediment delivery pipe, first connecting tube and described second connect Valve is provided on adapter tube；

It further include the vacuum machine for adjusting pressure in the silt basin；

The blender includes shell, and vertically-mounted in shell to have agitating shaft, the one end of the mixing shaft passes through the housing bottom It is connect with the motor output shaft, the other end extends to case top；Agitating shaft lower end is equipped with one and connects with inner walls rotation The filter plate connect；Several stirring rods are axially installed with along agitating shaft on agitating shaft on filter plate.

2. a kind of municipal wastewater processing unit as described in claim 1, which is characterized in that it is defeated that the filter plate is located at the filtrate It send between pipe and the filter residue delivery pipe.

3. a kind of municipal wastewater processing unit as described in claim 1, which is characterized in that described the of the water pump input terminal Two connecting tubes extend to the silt basin upper layer.

4. a kind of municipal wastewater processing unit as claimed in claim 3, which is characterized in that the arrival end of the water pump is provided with For stopping the strainer of mud.

5. a kind of municipal wastewater processing unit as described in any one of claims 1 to 4, which is characterized in that further include a use In the gas collecting tube for collecting exhaust gas, gas collecting tube is connected to the seal closure and the processing unit for handling exhaust gas, and sets on gas collecting tube It is equipped with valve.