CN218435486U - Spiral shell stacking dehydrator for sludge-containing sewage treatment - Google Patents
Spiral shell stacking dehydrator for sludge-containing sewage treatment Download PDFInfo
- Publication number
- CN218435486U CN218435486U CN202222855656.4U CN202222855656U CN218435486U CN 218435486 U CN218435486 U CN 218435486U CN 202222855656 U CN202222855656 U CN 202222855656U CN 218435486 U CN218435486 U CN 218435486U
- Authority
- CN
- China
- Prior art keywords
- spiral
- sludge
- sewage treatment
- flow regulating
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 43
- 239000010865 sewage Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 230000001105 regulatory effect Effects 0.000 claims abstract description 37
- 238000003756 stirring Methods 0.000 claims abstract description 31
- 238000005507 spraying Methods 0.000 claims abstract description 30
- 239000007921 spray Substances 0.000 claims abstract description 27
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 5
- 230000001276 controlling effect Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000002893 slag Substances 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Abstract
The application discloses a spiral shell-overlapping dehydrator for sludge-containing sewage treatment, which comprises a base, a stirring device, a plurality of spiral separation devices, a spraying device and a distribution box; the stirring device is arranged on the base; the spraying device comprises a main path and a branch path, the main path comprises a conveying section and a spraying section, and the spraying section is arranged in the spiral separation device and used for washing sludge in the spiral device; the branch is communicated with the conveying section, and the tail end of the branch is provided with a high-pressure water gun; the stirring device comprises a box body, a water outlet pipe piece, a speed reducer, a stirring shaft and a flow regulating device, wherein the box body is communicated with the spiral separation device through the flow regulating device and the water outlet pipe piece in sequence, and the flow regulating device is used for controlling the water inflow of the spiral separation device. The water inlet quantity of the spiral separation device is controlled by arranging the flow regulation device, so that the equipment can stably run; set up the spray set branch road, adopt the high-pressure squirt of branch road to replace the main road and spray, go out the problem of water jam when avoiding the main road trouble.
Description
Technical Field
The application relates to a sludge-containing sewage treatment spiral shell-overlapping dehydrator, belonging to the technical field of sewage treatment equipment.
Background
Sewage treatment refers to a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. The spiral-stacked dehydrator is integrated equipment for flocculating sewage and separating solid from liquid, and is characterized in that a flocculating agent is added and stirred to be fused with the sewage, so that impurities, suspended matters and the like are flocculated into colloid flocs, and then the flocs move between a movable plate and a fixed plate of a spiral device to separate mud and water.
The existing spiral shell stacking dehydrator has a plurality of problems in the actual use process. For example, the water amount entering the spiral device in the stacked spiral dehydrator cannot be controlled, so that the shaft of the stacked spiral dehydrator is full of time and space, and the water content of discharged mud is inconsistent; the maintenance of individual screw shafts requires the operation stop of the whole equipment; when the spraying device breaks down, the stacked screw shaft cannot be cleaned in time, and water outlet blockage occurs, so that the problems of increasing of the water content of the discharged mud and the like are caused. Chinese patent CN215049642U discloses a high-precision stacked screw dehydrator which is provided with a liquid level meter and a water turbidity detector, but still has the problems that the water inflow of each screw shaft of a screw device cannot be controlled, a spray device is lacked, and the water outlet blockage is easily caused by the failure of the spray device.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the application provides a stacked spiral dewatering machine for sludge-containing sewage treatment, wherein a flow regulating device is arranged to control the water inflow of a spiral separating device, so that the problem that when the water inflow is too small, the water inflow of each spiral shaft is inconsistent or water is fed intermittently, the shaft of the stacked spiral dewatering machine is full of time and space, and the water content of discharged sludge is inconsistent is solved; through dividing into main road and branch road with spray set, when the main road breaks down or overhauls, can adopt the high-pressure squirt of branch road to replace the main road and spray, avoid going out the problem that the water blockage leads to the increase of mud water content.
According to one aspect of the application, a screw-stacking dehydrator for sludge-containing sewage treatment is provided, which comprises a base, a stirring device, a plurality of screw separating devices, a spraying device and a distribution box; the stirring device is arranged on the base;
the spraying device comprises a main path and a branch path, the main path comprises a conveying section and a spraying section, and the spraying section is arranged in the spiral separation device and used for flushing sludge in the spiral device; the branch is communicated with the conveying section, and a high-pressure water gun is arranged at the tail end of the branch;
the stirring device comprises a box body, a water outlet pipe, a speed reducer, a stirring shaft and a flow regulating device, the box body is communicated with the spiral separating device sequentially through the flow regulating device and the water outlet pipe, and the flow regulating device is used for controlling the water inflow of the spiral separating device; the distribution box is respectively electrically connected with the stirring device, the spiral separation device and the spraying device.
Optionally, the flow regulating device comprises a flow regulating groove, a flow regulating plate and a bolt, and the flow regulating groove is connected with the flow regulating plate through the bolt.
Optionally, the spiral separation device comprises a spiral device, a shield and a slag collecting plate; the protective cover and the slag collecting plate are both arranged on the spiral device.
Optionally, the screw device comprises a movable fixed plate, a screw shaft, a sludge hopper and a water outlet, and the movable fixed plate is fixed on the screw shaft to realize separation of sludge and water.
Optionally, the outlet pipe spare includes outlet pipe and inside lining steel wire PU pipe, inside lining steel wire PU pipe one end and the fixed intercommunication of outlet pipe, the other end and screw means intercommunication.
Optionally, the spraying device further comprises a PVC pipe, a PVC ball valve, a spray header, a filter valve and an electric valve; the spray header is arranged at the main path spray section of the spray device.
Optionally, the spraying device further comprises a pipeline support, and the spraying device is arranged on the stirring device and the screw device through the pipeline support.
Optionally, the shield is fixed to the outside of the screw means to prevent water splashing; the slag collecting plate is fixed at the mud outlet end of the spiral device to control the mud outlet direction.
Optionally, a feed inlet and an evacuation port are arranged at the lower end of the box body; the upper end of the box body is provided with an overflow port.
Optionally, the base is made of channel steel for supporting.
Benefits that can be produced by the present application include, but are not limited to:
1. according to the stacked spiral dewatering machine for sludge-containing sewage treatment, the water inflow of the spiral separating device is controlled by the flow regulating device, so that the problem that when the water inflow is too small, the water inflow of each spiral shaft is inconsistent or water is intermittently fed, the shaft of the stacked spiral dewatering machine is full of time and space, and the water content of discharged sludge is inconsistent is solved; through dividing into main road and branch road with spray set, when the main road breaks down or overhauls, can adopt the high-pressure squirt of branch road to replace the main road and spray, avoid going out the problem that the water blockage leads to the increase of mud water content.
2. According to the screw-overlapping dehydrator for treating sludge-containing sewage, the flow regulating groove is connected with the flow regulating plate through the bolts, the flow regulating plate can be regulated by loosening the bolts to control the water inflow, and the bolts are fastened after regulation, so that the operation is convenient; if one of them screw axis damages can be realized through the inflow of controlling each screw means respectively, the maintenance only needs to stop this screw means and intakes alone, need not to stop whole spiral shell hydroextractor that folds.
3. According to the screw-overlapping dehydrator for sludge-containing sewage treatment, the protective cover is arranged on the screw device, so that the condition that water flow splashes in the working process of the screw device is effectively prevented; through set up the collection sediment board at a mud end to control the direction of mud, thereby be convenient for collect and handle mud.
4. The application provides a contain mud sewage treatment with folding spiral shell hydroextractor, through setting up the shower head in spray set's main road, sets up high-pressure squirt in spray set's branch road, breaks down when the main road, can close main road PVC ball valve, opens branch road PVC ball valve, uses high-pressure squirt to wash screw means in order to replace to spray and wash screw means.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic sectional front view of a stack screw dehydrator for sludge-containing sewage treatment according to an embodiment of the present application;
FIG. 2 is a schematic top sectional view of a stack screw dehydrator for sludge-containing wastewater treatment according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional front view of a stirring device according to an embodiment of the present disclosure;
FIG. 4 is a schematic top sectional view of a stirring device according to an embodiment of the present disclosure;
FIG. 5 is a schematic left side sectional view of a stirring device according to an embodiment of the present application
List of parts and reference numerals:
1. a speed reducer; 2. a flow regulating plate; 3. a bolt; 4. a flow regulating tank; 5. a water outlet pipe; 6. a box body;
7. a stirring shaft; 8. a base; 9. a screw device; 10. a distribution box; 11. a spraying device; 12. a protective cover;
13. a slag collecting plate; 14. a water outlet; 15. lining with a steel wire PU pipe; 16. a feed inlet; 17. an evacuation port;
18. an overflow port; 19. a high-pressure water gun.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In order that the above objects, features and advantages of the present application can be more clearly understood, the present application will be described in further detail below with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1 to 5, an embodiment of the present application discloses a stacked spiral dehydrator for sludge-containing sewage treatment, comprising a base 8, a stirring device, a plurality of spiral separating devices, a spraying device 11 and a distribution box 10; the stirring device is arranged on the base 8;
the spraying device 11 comprises a main path and a branch path, the main path comprises a conveying section and a spraying section, and the spraying section is arranged in the spiral separation device and used for flushing sludge in the spiral device 9; the branch is communicated with the conveying section, and the tail end of the branch is provided with a high-pressure water gun 19;
the stirring device comprises a box body 6, a water outlet pipe, a speed reducer 1, a stirring shaft 7 and a flow regulating device, wherein the box body 6 is communicated with the spiral separation device through the flow regulating device and the water outlet pipe in sequence, and the flow regulating device is used for controlling the water inflow of the spiral separation device; the distribution box 10 is electrically connected with the stirring device, the spiral separation device and the spraying device 11 respectively.
According to the stacked spiral dewatering machine for sludge-containing sewage treatment, the water inflow of the spiral separating device is controlled by arranging the flow regulating device, so that the problem that when the water inflow is too small, the water inflow of each spiral shaft is inconsistent or water is intermittently fed, the shaft of the stacked spiral dewatering machine is full of time and space, and the water content of discharged sludge is inconsistent is solved; through dividing spray set 11 into main road and branch road, when the main road breaks down or overhauls, can adopt the high-pressure squirt 19 of branch road to replace the main road and spray, avoid going out the problem that the water blockage leads to going out the mud water content increase.
Specifically, the stirring shaft 7 is provided with stirring blades, and the stirring blades are driven to rotate by the rotation of the stirring shaft 7, so that the full mixing reaction of the medicament and the sewage is realized.
As an embodiment, the flow regulating device comprises a flow regulating groove 4, a flow regulating plate 2 and a bolt 3, wherein the flow regulating groove 4 is connected with the flow regulating plate 2 through the bolt 3.
As an embodiment, the spiral separation device comprises a spiral device 9, a protective cover 12 and a slag collecting plate 13; the shield 12 and the slag collecting plate 13 are both arranged on the screw device 9.
Specifically, the shield 12 and the slag collecting plate 13 are fixed to the screw 9 by bolts.
As an embodiment not shown, the screw means 9 comprise a mobile stator, a screw shaft, a sludge hopper and a water outlet 14, the mobile stator being fixed to the screw shaft to achieve separation of the sludge and water.
As an implementation mode, the water outlet pipe piece comprises a water outlet pipe 5 and a lining steel wire PU pipe 15, one end of the lining steel wire PU pipe 15 is fixedly communicated with the water outlet pipe 5, and the other end of the lining steel wire PU pipe is communicated with the spiral device 9.
Specifically, the lining steel wire PU pipe 15 is connected with the water outlet pipe 5 and the screw device 9 through pipe clamps.
As an embodiment not shown, the spraying device 11 further comprises PVC pipe, PVC ball valve, spray header, filter valve and electric valve; the spray header is arranged at the main spray section of the spray device 11.
As an embodiment not shown, the spray device 11 further comprises a pipe support, by means of which the spray device 11 is arranged on the stirring device and the screw device 9.
As an embodiment, a protective cover 12 is fixed on the outside of the screw means 9 to prevent water from splashing outside; the slag collecting plate 13 is fixed at the mud outlet end of the screw device 9 to control the mud outlet direction.
Specifically, the shield 12 and the mud collecting plate are both made of 304 stainless steel.
In one embodiment, the lower end of the box body 6 is provided with a feed inlet 16 and an emptying port 17; the upper end of the box body 6 is provided with an overflow port 18.
As an embodiment, the base 8 is composed of channel steel for supporting.
The working flow of the spiral shell overlapping dehydrator for sludge-containing sewage treatment in the embodiment is as follows: after a stacked screw dehydrator for sludge-containing sewage treatment is started, sewage and a medicament are mixed and reacted in a stirring device, when a certain flow is reached, the sewage enters a water outlet pipe fitting through a flow regulating device and enters a screw device 9, sludge flocculation is further compressed under the action of the screw device 9, separation of sludge and water is realized, in the process, a spraying device 11 operates to clean the screw device 9, water flows out from a gap of a driven stator plate through a water outlet 14, and the sludge is discharged from a sludge outlet end through a sludge collecting plate; when the main road of the spraying device 11 breaks down or needs to be overhauled, the main road PVC ball valve can be closed, the branch road PVC ball valve is opened, and the high-pressure water gun 19 of the branch road is adopted for cleaning.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A spiral shell-overlapping dehydrator for sludge-containing sewage treatment is characterized by comprising a base, a stirring device, a plurality of spiral separation devices, a spraying device and a distribution box; the stirring device is arranged on the base;
the spraying device comprises a main path and a branch path, the main path comprises a conveying section and a spraying section, and the spraying section is arranged in the spiral separation device and used for flushing sludge in the spiral separation device; the branch is communicated with the conveying section, and a high-pressure water gun is arranged at the tail end of the branch;
the stirring device comprises a box body, a water outlet pipe, a speed reducer, a stirring shaft and a flow regulating device, the box body is communicated with the spiral separating device sequentially through the flow regulating device and the water outlet pipe, and the flow regulating device is used for controlling the water inflow of the spiral separating device; the distribution box is electrically connected with the stirring device, the spiral separation device and the spraying device respectively.
2. The spiral shell-stacked dehydrator for sludge-containing sewage treatment as claimed in claim 1, wherein the flow regulating device comprises a flow regulating groove, a flow regulating plate and a bolt, wherein the flow regulating groove is connected with the flow regulating plate through the bolt.
3. The screw-stacking dehydrator for sludge-containing sewage treatment according to claim 1, wherein the screw separating device comprises a screw device, a protective cover and a slag collecting plate; the protective cover and the slag collecting plate are both arranged on the spiral device.
4. The stacked spiral dewatering machine for sludge-containing sewage treatment as claimed in claim 3, wherein the spiral device comprises a movable fixed plate, a spiral shaft, a sludge hopper and a water outlet, and the movable fixed plate is fixed on the spiral shaft to realize separation of sludge and water.
5. The screw-stacking dehydrator for sludge-containing sewage treatment as claimed in claim 1, wherein the water outlet pipe comprises a water outlet pipe and a lining steel wire PU pipe, one end of the lining steel wire PU pipe is fixedly communicated with the water outlet pipe, and the other end of the lining steel wire PU pipe is communicated with the screw device.
6. The stacked spiral dewatering machine for sludge-containing sewage treatment as claimed in claim 1, wherein the spraying device further comprises a PVC pipe fitting, a PVC ball valve, a spray header, a filter valve and an electric valve; the spray header is arranged at the main path spray section of the spray device.
7. The stacked spiral dewatering machine for sludge-containing sewage treatment according to claim 1, wherein the spraying device further comprises a pipeline support, and the spraying device is arranged on the stirring device and the spiral device through the pipeline support.
8. A spiral shell stacking dehydrator for sludge-containing sewage treatment as claimed in claim 3, wherein said protecting cover is fixed outside the spiral device to prevent water from splashing outside; the slag collecting plate is fixed at the mud outlet end of the spiral device to control the mud outlet direction.
9. The stacked spiral dewatering machine for sludge-containing sewage treatment according to claim 1, wherein a feed inlet and a drain outlet are formed at the lower end of the box body; the upper end of the box body is provided with an overflow port.
10. The stacked screw dehydrator for sludge-containing sewage treatment as claimed in claim 1, wherein the base comprises channel steel for supporting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222855656.4U CN218435486U (en) | 2022-10-28 | 2022-10-28 | Spiral shell stacking dehydrator for sludge-containing sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222855656.4U CN218435486U (en) | 2022-10-28 | 2022-10-28 | Spiral shell stacking dehydrator for sludge-containing sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218435486U true CN218435486U (en) | 2023-02-03 |
Family
ID=85073252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222855656.4U Active CN218435486U (en) | 2022-10-28 | 2022-10-28 | Spiral shell stacking dehydrator for sludge-containing sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218435486U (en) |
-
2022
- 2022-10-28 CN CN202222855656.4U patent/CN218435486U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101580322B (en) | Sewage processing method and sewage processing device | |
| CN113245292B (en) | Assembly line type activated carbon pickling and washing integrated machine | |
| CN213652125U (en) | Can promote effluent treatment plant of flocculation efficiency | |
| CN212334700U (en) | High-efficient clarification separator | |
| CN201458889U (en) | Sewage treatment device | |
| CN108503070A (en) | A kind of anticlogging sewage-treatment plant | |
| CN218435486U (en) | Spiral shell stacking dehydrator for sludge-containing sewage treatment | |
| CN109019856A (en) | Cyclic hardening outgassing anaerobic reactor in a kind of centrifugation | |
| CN212924482U (en) | Efficient deoiling and dehydrating device for oily sludge treatment | |
| CN114380479A (en) | Fold spiral shell formula sludge dewatering system | |
| CN108793514A (en) | A kind of integrated oil-containing waste water treating device | |
| CN109851077A (en) | A kind of easy to clean sanitary sewage quick treatment device | |
| CN205990270U (en) | A kind of Multifunctional centralized water pot | |
| CN214528421U (en) | Pretreatment process system before zero discharge of desulfurization wastewater | |
| CN213803155U (en) | Lead removing device for lead storage battery wastewater | |
| CN209010319U (en) | A kind of purification of waste water device | |
| CN205995087U (en) | A kind of sludge water separating purifying device | |
| CN219603272U (en) | Molybdenum ore dressing effluent treatment plant | |
| CN219314687U (en) | Raw water treatment device | |
| CN217398517U (en) | High-efficient solid-liquid separation integration equipment | |
| CN216946516U (en) | Solid-liquid separation device for waste liquid treatment | |
| CN217398620U (en) | Wastewater treatment and recovery equipment | |
| CN220351843U (en) | Efficient precipitation device | |
| CN213652035U (en) | Coal chemical industry sewage treatment device | |
| CN214634581U (en) | Primary filtering system for urban sewage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240119 Address after: Room 1-03, Building 12, No. 2, North Section of Qilihe Road, Licheng District, Jinan City, Shandong Province, 250000 Patentee after: Shandong Benyuan Environmental Technology Co.,Ltd. Address before: 250000 characteristic equipment manufacturing industrial park, Shanghe Economic Development Zone, Jinan City, Shandong Province Patentee before: Shandong Tongguang Environmental Protection Equipment Co.,Ltd. |