CN208948920U - A kind of settler of environmental protection treatment sewage - Google Patents
A kind of settler of environmental protection treatment sewage Download PDFInfo
- Publication number
- CN208948920U CN208948920U CN201821697840.8U CN201821697840U CN208948920U CN 208948920 U CN208948920 U CN 208948920U CN 201821697840 U CN201821697840 U CN 201821697840U CN 208948920 U CN208948920 U CN 208948920U
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- Prior art keywords
- fixedly connected
- pipe
- sewage
- far
- sedimentation basin
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- 239000010865 sewage Substances 0.000 title claims abstract description 79
- 238000004062 sedimentation Methods 0.000 claims abstract description 46
- 238000003756 stirring Methods 0.000 claims abstract description 41
- 239000010802 sludge Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000126 substance Substances 0.000 claims abstract description 21
- 238000005086 pumping Methods 0.000 claims abstract description 16
- 239000004927 clay Substances 0.000 claims abstract description 11
- 229910052570 clay Inorganic materials 0.000 claims abstract description 11
- 230000001376 precipitating Effects 0.000 claims abstract description 9
- 238000007790 scraping Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 240000004282 Grewia occidentalis Species 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 208000002925 Dental Caries Diseases 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 11
- 238000001556 precipitation Methods 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000005189 flocculation Methods 0.000 abstract description 6
- 230000016615 flocculation Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 229940079593 drugs Drugs 0.000 description 3
- 238000005188 flotation Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000000249 desinfective Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000001112 coagulant Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a kind of settlers of environmental protection treatment sewage, it is related to technical field of sewage treatment equipment, specially a kind of settler of environmental protection treatment sewage, including sewage pumping pipe, one end of the sewage pumping pipe is fixedly connected with suction pump, the suction pump is fixedly connected with outlet pipe far from the side of sewage pumping pipe, and the outlet pipe is fixedly connected with water inlet pipe far from the side of suction pump.The settler of the environmental protection treatment sewage, pass through the setting of sedimentation basin, chemical feed pipe, stirring rod and the first sludge pipe, to when sewage pre-process and is finished, stirring rod is driven to be stirred sewage by chemical feed pipe dosing flocculation and stirring motor again, it is then allowed to stand, make in the sludge isolated falls into and graft clay and struggle against, sludge is discharged by the first sludge pipe again, and then settlement of sewage process terminates, it is completed in same device so that sewage carries out precipitation reaction device, reduces the occupied area of settler, furthermore, by secondary precipitation, the effect of precipitating is improved.
Description
Technical field
The utility model relates to technical field of sewage treatment equipment, specially a kind of settler of environmental protection treatment sewage.
Background technique
Sewage treatment is to reach sewage to drain a certain water body or mistake that the water quality requirement that reuses purifies it
Journey, it is each that sewage treatment is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment and food and drink etc.
A field, also comes into the daily life of common people more and more, and most small towns domestic sewage treatment process continue to use city
The treatment process of city's sewage plant, wherein sedimentation basin is a kind of structures that suspended matter in water removal is removed using precipitation, purified water
The equipment of matter removes the suspended matter in water using the natural sedimentation of water or the effect of coagulating sedimentation, and sedimentation basin presses water (flow) direction
It is divided into horizontal sedimentation basin and vertical sedimentation basin, when sedimentation effect is decided by the stop of the flow velocity of water and water in sedimentation basin in pond
Between, and the settler in general sewage treatment needs to pre-process precipitating, just precipitating and secondary precipitation so that occupied area compared with
Greatly.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of settler of environmental protection treatment sewage, solves
The problems mentioned above in the background art.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of environmental protection treatment sewage
Settler, including sewage pumping pipe, one end of the sewage pumping pipe are fixedly connected with suction pump, and the suction pump is far from pumping sewage
The side of pipe is fixedly connected with outlet pipe, and the outlet pipe is fixedly connected with water inlet pipe, the water inlet pipe far from the side of suction pump
One end far from outlet pipe is fixedly connected with sedimentation basin, and the four corners of the sedimentation basin lower surface are fixedly connected with support column, described
It is fixedly connected with the bucket that grafts clay in the middle part of sedimentation basin lower surface, the side far from sedimentation basin of struggling against of grafting clay is fixedly connected with first row
Mud pipe, the back side of the sedimentation basin are provided with chemical feed pipe, and the positive bottom of sedimentation basin is fixedly connected with air inlet pipe, described heavy
The positive middle part in shallow lake pond is fixedly connected with stirring motor, and the output end of the stirring motor is fixedly connected with bull stick, the precipitating
The upper surface in pond is fixedly connected with mud-scraping apparatus fixed plate, and the sedimentation basin is fixedly connected with second row far from the side of water inlet pipe
Mud pipe, the sedimentation basin are internally provided with partition, and the inside division of sedimentation basin is that the first cavity and second are empty by the partition
Chamber, the inner bottom wall of first cavity are fixedly connected with annular air bearing pipe, and the side of the annular air bearing pipe is fixedly connected with gas
Over draft pipe, the bull stick are fixedly connected with turntable far from one end of stirring motor, and side of the turntable far from bull stick is fixed to be connected
It is connected to stirring rod.
Optionally, fluted, the fixed company in the side of the groove is opened up at the top of the mud-scraping apparatus fixed plate inner sidewall
It is connected to support plate, the upper surface of the support plate is fixedly connected with mobile motor support frame, and the mobile motor support frame is separate
The side of support plate is fixedly connected with mobile motor, and the output end of the mobile motor is fixedly connected with shaft, and the shaft is remote
One end from mobile motor is fixedly connected with mud-scraping apparatus.
Optionally, the mud-scraping apparatus includes gear fixed link, and the surface of the gear fixed link is fixedly connected with driven
Gear, the driven gear are engaged with transmission belt, and the transmission belt is engaged with driving gear far from one end of driven gear, described
The side of transmission belt is fixedly connected with connecting plate, and the lower surface of the connecting plate is fixedly connected with cleaning shoe.
Optionally, the gear fixed link is fixedly connected on the inner sidewall of groove far from one end of driven gear.
Optionally, the quantity of the stirring rod is four, and the fixed company of form of four stirring rod circular arrays
It is connected to the side of turntable.
Optionally, the side of the outlet pipe, the first sludge pipe, chemical feed pipe and the second sludge pipe is provided with valve.
(3) beneficial effect
The utility model provides a kind of settler of environmental protection treatment sewage, have it is following the utility model has the advantages that
1, the settler of the environmental protection treatment sewage, by chemical feed pipe, annular air bearing pipe, air bearing branch pipe and mud-scraping apparatus it
Between be equipped with, to extract sewage out from sewage pumping pipe by suction pump, sewage is guided to heavy by outlet pipe and water inlet pipe
In the pond of shallow lake, then the stirring rod passed through on chemical feed pipe and stirring motor carries out dosing flocculation and stirring to sewage, passes through air inlet pipe, ring
The gentle over draft pipe of shape air bearing pipe carries out air-flotation process to sewage, so that partial sludge and impurity is floated on the surface with bubble, by scraping
Sludge is discharged in the sludge scraping on the water surface to the second cavity, then by the second sludge pipe in mud device, and then reaches sewage and locate in advance
The effect of reason.
2, the settler of the environmental protection treatment sewage passes through setting for sedimentation basin, chemical feed pipe, stirring rod and the first sludge pipe
It sets, to drive stirring rod to sewage when sewage pre-process and finished, then through chemical feed pipe dosing flocculation and stirring motor
It is stirred, keeps the reaction of drug and sewage more abundant, be then allowed to stand, make in the sludge isolated falls into and graft clay and struggle against, then lead to
The first sludge pipe discharge sludge is crossed, and then settlement of sewage process terminates, so that sewage carries out precipitation reaction device in same device
Interior completion reduces the occupied area of settler, in addition, improving the effect of precipitating by secondary precipitation.
Detailed description of the invention
Fig. 1 is the utility model positive structure diagram；
Fig. 2 is the utility model overlooking structure diagram；
Fig. 3 is the utility model mud-scraping apparatus structural schematic diagram.
In figure: 1- sewage pumping pipe, 2- suction pump, 3- outlet pipe, 4- water inlet pipe, 5- sedimentation basin, 6- graft clay bucket, 7- first row
Mud pipe, 8- chemical feed pipe, 9- air inlet pipe, 10- stirring motor, 11- bull stick, 12- fixed plate, the second sludge pipe of 13-, 14- partition,
The first cavity of 15-, the second cavity of 16-, 17- annular air bearing pipe, 18- air bearing branch pipe, 19- turntable, 20- stirring rod, 21- groove,
22- support plate, 23- mobile motor support frame, 24- mobile motor, 25- mud-scraping apparatus, 2501- gear fixed link, 2502- are driven
Gear, 2503- transmission belt, 2504- driving gear, 2505- connecting plate, 2506- cleaning shoe, 26- valve, 27- support column, 28-
Shaft.
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.
It please refers to Fig.1 to Fig.3, the utility model provides a kind of technical solution: a kind of settler of environmental protection treatment sewage,
Including sewage pumping pipe 1, one end of sewage pumping pipe 1 is fixedly connected with suction pump 2, by the setting of suction pump 2, thus by drawing water
It pumps 2 pairs of sedimentation basins 5 and carries out supply sewage and handle, and then play the role of providing power and supply sewage, suction pump 2 is separate
The side of sewage pumping pipe 1 is fixedly connected with outlet pipe 3, and outlet pipe 3 is fixedly connected with water inlet pipe 4 far from the side of suction pump 2, water inlet
Pipe 4 is fixedly connected with sedimentation basin 5 far from one end of outlet pipe 3, and the four corners of 5 lower surface of sedimentation basin are fixedly connected with support column 27,
By the setting of support column 27, thus the effect for the support sedimentation basin 5 for keeping support column 27 firm, the middle part of 5 lower surface of sedimentation basin
It is fixedly connected with the bucket 6 that grafts clay, 6 sides far from sedimentation basin 5 of bucket of grafting clay are fixedly connected with the first sludge pipe 7, the back side of sedimentation basin 5
It is provided with chemical feed pipe 8, the positive bottom of sedimentation basin 5 is fixedly connected with air inlet pipe 9, and the positive middle part of sedimentation basin 5 is fixedly connected with
Stirring motor 10, the output end of stirring motor 10 are fixedly connected with bull stick 11, and the upper surface of sedimentation basin 5, which is fixedly connected with, scrapes mud dress
Fixed plate 12 is set, fluted 21 are opened up at the top of 12 inner sidewall of mud-scraping apparatus fixed plate, the side of groove 21 is fixedly connected with branch
Fagging 22, the upper surface of support plate 22 are fixedly connected with mobile motor support frame 23, and mobile motor support frame 23 is far from support plate
22 side is fixedly connected with mobile motor 24, and the output end of mobile motor 24 is fixedly connected with shaft 28, and shaft 28 is far from shifting
One end of dynamic motor 24 is fixedly connected with mud-scraping apparatus 25, and mud-scraping apparatus 25 includes gear fixed link 2501, gear fixed link
2501 one end far from driven gear 2502 are fixedly connected on the inner sidewall of groove 21, and the surface of gear fixed link 2501 is fixed to be connected
Be connected to driven gear 2502, driven gear 2502 is engaged with transmission belt 2503, transmission belt 2503 far from driven gear 2502 one
End is engaged with driving gear 2504, and the side of transmission belt 2503 is fixedly connected with connecting plate 2505, the lower surface of connecting plate 2505
It is fixedly connected with cleaning shoe 2506, passes through matching between chemical feed pipe 8, annular air bearing pipe 17, air bearing branch pipe 18 and mud-scraping apparatus 25
Setting is closed, to extract sewage out from sewage pumping pipe 1 by suction pump 2, sewage is guided to precipitating by outlet pipe 3 and water inlet pipe 4
In pond 5, then the stirring rod 20 passed through on chemical feed pipe 8 and stirring motor 10 carries out dosing flocculation and stirring to sewage, passes through air inlet
Pipe 9, the gentle over draft pipe 18 of annular air bearing pipe 17 carry out air-flotation process to sewage, and partial sludge and impurity is made to keep afloat with bubble
On, by mud-scraping apparatus 25 in the sludge scraping on the water surface to the second cavity 16, then sludge is discharged by the second sludge pipe 13, into
And achieving the effect that sewage disinfection treatment, sedimentation basin 5 is fixedly connected with the second sludge pipe 13, outlet pipe far from the side of water inlet pipe 4
3, the side of the first sludge pipe 7, chemical feed pipe 8 and the second sludge pipe 13 is provided with valve 26, sedimentation basin 5 be internally provided with every
The inside division of sedimentation basin 5 is the first cavity 15 and the second cavity 16 by plate 14, partition 14, and the inner bottom wall of the first cavity 15 is fixed
It is connected with annular air bearing pipe 17, the side of annular air bearing pipe 17 is fixedly connected with air bearing branch pipe 18, and bull stick 11 is far from stirring motor
10 one end is fixedly connected with turntable 19, and turntable 19 is fixedly connected with stirring rod 20 far from the side of bull stick 11, stirring rod 20
Quantity is four, and the form of four 20 circular arrays of stirring rod is fixedly connected on the side of turntable 19, by sedimentation basin 5,
The setting of chemical feed pipe 8, stirring rod 20 and the first sludge pipe 7, thus when sewage pre-process and finished, then pass through chemical feed pipe 8
Dosing flocculation and stirring motor 10 drive stirring rod 20 to be stirred sewage, keep the reaction of drug and sewage more abundant, so
After stand, fall into the sludge isolated and graft clay in bucket 6, then sludge, and then settlement of sewage process are discharged by the first sludge pipe 7
Terminate, is completed in same device so that sewage carries out precipitation reaction device, reduce the occupied area of settler, in addition,
By secondary precipitation, the effect of precipitating is improved.
A kind of optimal technical scheme as the utility model: the side of outlet pipe 3 is provided with flowmeter.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
In conclusion the settler of the environmental protection treatment sewage, in use, passing through chemical feed pipe 8, annular air bearing pipe 17, gas
Being equipped between over draft pipe 18 and mud-scraping apparatus 25, so that sewage is extracted out from sewage pumping pipe 1 by suction pump 2, by being discharged
Pipe 3 and water inlet pipe 4 guide sewage to sedimentation basin 5, then by the stirring rod 20 on chemical feed pipe 8 and stirring motor 10 to sewage
Dosing flocculation and stirring are carried out, air-flotation process is carried out to sewage by air inlet pipe 9, the gentle over draft pipe 18 of annular air bearing pipe 17, is made
Partial sludge and impurity float on the surface with bubble, by mud-scraping apparatus 25 in the sludge scraping on the water surface to the second cavity 16,
Sludge is discharged by the second sludge pipe 13 again, and then achievees the effect that sewage disinfection treatment, passes through sedimentation basin 5, chemical feed pipe 8, stirring
The setting of bar 20 and the first sludge pipe 7, to flocculate and stir when sewage pre-process and finished, then through 8 dosing of chemical feed pipe
Mixing motor 10 drives stirring rod 20 to be stirred sewage, keeps the reaction of drug and sewage more abundant, is then allowed to stand, makes to separate
Sludge out, which is fallen into, to graft clay in bucket 6, then sludge is discharged by the first sludge pipe 7, and then settlement of sewage process terminates, so that sewage
It carries out precipitation reaction device to complete in same device, reduces the occupied area of settler, in addition, by secondary precipitation,
Improve the effect of precipitating.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connects " installation "
Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, can be directly connected, can also can be inside two elements indirectly connected through an intermediary
The interaction relationship of connection or two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second spy
It can be that the first and second features directly contact or the first and second features are connect indirectly by intermediary "above" or "below" sign
Touching.Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or
Oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section "
" following " can be fisrt feature and be directly under or diagonally below the second feature, or is merely representative of first feature horizontal height and is less than
Second feature.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of settler of environmental protection treatment sewage, including sewage pumping pipe (1), it is characterised in that: the sewage pumping pipe (1)
One end is fixedly connected with suction pump (2), and the suction pump (2) is fixedly connected with outlet pipe far from the side of sewage pumping pipe (1)
(3), the outlet pipe (3) is fixedly connected water inlet pipe (4) far from the side of suction pump (2), and the water inlet pipe (4) is far from outlet pipe
(3) one end is fixedly connected with sedimentation basin (5), and the four corners of sedimentation basin (5) lower surface are fixedly connected with support column (27), institute
It states and is fixedly connected with graft clay bucket (6) in the middle part of sedimentation basin (5) lower surface, the described side of bucket (6) far from sedimentation basin (5) of grafting clay is solid
Surely it is connected with the first sludge pipe (7), the back side of the sedimentation basin (5) is provided with chemical feed pipe (8), and the sedimentation basin (5) is positive
Bottom is fixedly connected with air inlet pipe (9), and the positive middle part of the sedimentation basin (5) is fixedly connected with stirring motor (10), described to stir
The output end for mixing motor (10) is fixedly connected with bull stick (11), and the upper surface of the sedimentation basin (5) is fixedly connected with mud-scraping apparatus
Fixed plate (12), the sedimentation basin (5) are fixedly connected with the second sludge pipe (13), the precipitating far from the side of water inlet pipe (4)
Pond (5) is internally provided with partition (14), and the inside division of sedimentation basin (5) is the first cavity (15) and the by the partition (14)
Two cavitys (16), the inner bottom wall of first cavity (15) are fixedly connected with annular air bearing pipe (17), the annular air bearing pipe
(17) side is fixedly connected with air bearing branch pipe (18), and the bull stick (11) is fixedly connected with far from the one end of stirring motor (10)
Turntable (19), the turntable (19) are fixedly connected with stirring rod (20) far from the side of bull stick (11).
2. a kind of settler of environmental protection treatment sewage according to claim 1, it is characterised in that: the mud-scraping apparatus is solid
It is opened up fluted (21) at the top of fixed board (12) inner sidewall, the side of the groove (21) is fixedly connected with support plate (22), institute
The upper surface for stating support plate (22) is fixedly connected with mobile motor support frame (23), and the mobile motor support frame (23) is far from branch
The side of fagging (22) is fixedly connected with mobile motor (24), and the output end of the mobile motor (24) is fixedly connected with shaft
(28), the shaft (28) is fixedly connected with mud-scraping apparatus (25) far from the one end of mobile motor (24).
3. a kind of settler of environmental protection treatment sewage according to claim 2, it is characterised in that: the mud-scraping apparatus
It (25) include gear fixed link (2501), the surface of the gear fixed link (2501) is fixedly connected with driven gear (2502),
The driven gear (2502) is engaged with transmission belt (2503), the one end of the transmission belt (2503) far from driven gear (2502)
It is engaged with driving gear (2504), the side of the transmission belt (2503) is fixedly connected with connecting plate (2505), the connecting plate
(2505) lower surface is fixedly connected with cleaning shoe (2506).
4. a kind of settler of environmental protection treatment sewage according to claim 3, it is characterised in that: the gear fixed link
(2501) one end far from driven gear (2502) is fixedly connected on the inner sidewall of groove (21).
5. a kind of settler of environmental protection treatment sewage according to claim 1, it is characterised in that: the stirring rod (20)
Quantity be four, and the form of four stirring rod (20) circular arrays is fixedly connected on the side of turntable (19).
6. a kind of settler of environmental protection treatment sewage according to claim 1, it is characterised in that: the outlet pipe (3),
The side of first sludge pipe (7), chemical feed pipe (8) and the second sludge pipe (13) is provided with valve (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821697840.8U CN208948920U (en) | 2018-10-18 | 2018-10-18 | A kind of settler of environmental protection treatment sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821697840.8U CN208948920U (en) | 2018-10-18 | 2018-10-18 | A kind of settler of environmental protection treatment sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208948920U true CN208948920U (en) | 2019-06-07 |
Family
ID=66742092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821697840.8U Active CN208948920U (en) | 2018-10-18 | 2018-10-18 | A kind of settler of environmental protection treatment sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208948920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902942A (en) * | 2019-11-20 | 2020-03-24 | 中冶华亚建设集团有限公司 | A sewage sludge integration processing system for urban pipe network |
-
2018
- 2018-10-18 CN CN201821697840.8U patent/CN208948920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902942A (en) * | 2019-11-20 | 2020-03-24 | 中冶华亚建设集团有限公司 | A sewage sludge integration processing system for urban pipe network |
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