CN213173902U - Harbour channel silt clearing device - Google Patents
Harbour channel silt clearing device Download PDFInfo
- Publication number
- CN213173902U CN213173902U CN202021857135.7U CN202021857135U CN213173902U CN 213173902 U CN213173902 U CN 213173902U CN 202021857135 U CN202021857135 U CN 202021857135U CN 213173902 U CN213173902 U CN 213173902U
- Authority
- CN
- China
- Prior art keywords
- silt
- collecting box
- sludge
- lifting
- communicated
- 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.)
- Expired - Fee Related
Links
- 239000010802 sludge Substances 0.000 claims abstract description 47
- 238000003756 stirring Methods 0.000 claims abstract description 24
- 206010024796 Logorrhoea Diseases 0.000 claims abstract description 18
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 abstract description 7
- 230000002349 favourable effect Effects 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000012216 screening Methods 0.000 abstract description 3
- 238000005360 mashing Methods 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Landscapes
- Treatment Of Sludge (AREA)
Abstract
A port channel sludge clearing device comprises a bottom plate, wherein a collecting box and a sludge pump are arranged at the upper end of the bottom plate, a support is fixedly connected to the right end of the bottom plate, a lifting assembly is arranged on the support, the right end of the lifting assembly is connected with a lifting transverse plate, a smashing assembly is arranged on the lifting transverse plate, and the lower ends of flow dividing pipes are communicated with a plurality of groups of sludge suction hoppers; drive through the lifting unit and stir garrulous subassembly and inhale the mud and fight and go up and down, be applicable to the silt of the different degree of depth and clear away, stir the breakage through stirring garrulous subassembly to silt, can break up the harder silt of caking, and smash great volume silt, the effect of clearing away to silt has been improved, avoid the harder silt of caking and the condition of the great impurity of volume and probably blockking up the pipeline, not only classified screening to silt through first filter screen and second filter screen, be favorable to the subsequent processing to silt, the effect of handling is improved, and separate silt and most ponding, can carry out recovery processing to ponding, also more be favorable to follow-up processing to silt.
Description
Technical Field
The utility model relates to a silt clears away equipment technical field specifically is a harbour channel silt clearing device.
Background
The channel is a ship navigation channel defined or set (including constructed) for ship navigation in water areas such as rivers, lakes, seas and the like. The navigation channel is provided with a navigation mark to ensure the safe navigation of the ship. The channels are divided into different classes and are respectively specified with minimum channel water depth, width, curvature radius and clearance (clear height and clear span) dimension above the water surface. The navigation channels can be divided into natural navigation channels and artificial navigation channels. According to the using conditions, the navigation system can be divided into a mountainous area navigation channel, a plain navigation channel, a canalized navigation channel, a harboring navigation channel, an economic navigation channel and the like. The water flow inevitably causes sludge accumulation to cause water level rising and the ship is difficult to operate due to the frequent passing of ships in the port channel, so that the dredging method is very important for dredging the port channel.
The existing sludge removing device in the market generally directly absorbs and removes sludge, and when sludge cakes are hard and contain large-volume impurities, the existing device cannot remove the sludge, an absorption pipeline can be blocked, and the sludge removing effect and efficiency are poor; meanwhile, the existing cleaning device cannot adjust the absorption of the device on the sludge according to different depths of the sludge in the channel, so that the device has high limitation on sludge cleaning and low practicability; the existing device does not screen the sludge and separate accumulated water after pumping the sludge, so that the subsequent treatment of the sludge is not facilitated, the accumulated water in the sludge cannot be recycled, and the device is not environment-friendly enough.
Disclosure of Invention
An object of the utility model is to provide a harbour channel silt clearing device to solve the problem that appears among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a harbour channel silt clearing device, includes the bottom plate, the bottom plate upper end is provided with collecting box and sludge pump, sludge pump output intercommunication has the mud pipe, the mud pipe other end runs through collecting box right side wall, sludge pump input intercommunication has the switching pipe, switching pipe right-hand member intercommunication has the hose, bottom plate right-hand member rigid coupling has the support, be provided with lifting unit on the support, the lifting unit right-hand member is connected with the lift diaphragm, be provided with on the lift diaphragm and stir garrulous subassembly, lift diaphragm lower extreme is provided with the shunt tubes, shunt tubes lower extreme intercommunication has the multiunit to inhale the mud bucket, shunt tubes upper end left side intercommunication has the mud pipe of taking out, the mud pipe upper end runs through the lift diaphragm and communicates in the other end of hose.
Preferably, a harbour channel silt clearing device, lifting unit includes the screw rod, the screw rod rotates to be connected in lower wall on the support, the support upper end is provided with first motor, first motor output rigid coupling is on the screw rod, the spiro union has the nut piece on the screw rod, nut piece left end rigid coupling has the slider, slider left end sliding connection has the slide rail, the slide rail sets up in support inner chamber left wall, lift diaphragm rigid coupling is in nut piece right-hand member.
Preferably, a harbour channel silt clearing device, stir garrulous subassembly and include that two stir garrulous pole, it rotates to connect in lift diaphragm both sides to stir garrulous pole, it is provided with broken blade to stir garrulous pole downside outer wall, it has first spur gear to stir garrulous pole upper end rigid coupling, lift diaphragm upper end is provided with the second motor, second motor output end rigid coupling has the second spur gear, and the first spur gear of both sides all meshes the transmission with the second spur gear.
Preferably, a harbour channel silt clearing device, collecting box inner chamber right wall is provided with first filter screen and second filter screen respectively, collecting box inner chamber bottom rigid coupling has the baffle, the blown down tank has been seted up at the baffle middle part, the rigid coupling has the baffle between baffle and the collecting box inner chamber left wall, collecting box right wall intercommunication has the outlet pipe.
Preferably, the port and channel sludge removing device is characterized in that the left wall of the collecting box is hinged with two cleaning doors, and a hasp is arranged between the lower ends of the cleaning doors and the left wall of the collecting box.
Preferably, a harbour channel silt clearing device, bottom plate lower extreme rigid coupling has two sets of pillars, pillar lower extreme rigid coupling has the mount pad, a plurality of mounting holes have been seted up on the mount pad.
The utility model has the advantages that:
1. the utility model has the advantages of reasonable design, start first motor and rotate through screw rod, nut piece, slider, slide rail cooperation, drive lift diaphragm, stir garrulous subassembly and inhale the mud fill and go up and down, can adjust the height that stirs garrulous subassembly and inhale the mud fill according to the different degree of depth of silt in the channel, the silt that is applicable to the different degree of depth is clear away, and application scope is wide, and the practicality is strong.
2. Start the second motor and rotate the cooperation through second straight-tooth gear, first straight-tooth gear and stirring garrulous pole, it is broken to drive broken blade to stir silt, can break up the harder silt of caking, and smash great volume impurity in the silt, improved the effect of cleaing away to silt, avoided the harder silt of caking and the condition of the great impurity of volume remaining and probably blockking up the pipeline, the cleaning effect and the efficiency of silt have not only been improved, the normal operating of device has still been guaranteed.
3. Not only classify the screening to silt through first filter screen and second filter screen, be favorable to the subsequent processing to silt, improved the effect of handling, separate silt and most ponding moreover, can carry out recovery processing to ponding, also more be favorable to the follow-up processing to silt, the practicality is strong.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used for describing the embodiments are briefly introduced below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the lifting assembly of the present invention;
fig. 3 is a schematic structural view of the mashing assembly of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-bottom plate, 2-collecting box, 3-sludge pump, 4-sludge discharge pipe, 5-adapter pipe, 6-hose, 7-support, 8-lifting component, 801-screw, 802-first motor, 803-nut block, 804-slide block, 805-slide rail, 9-lifting transverse plate, 10-stirring component, 1001-stirring rod, 1002-crushing blade, 1003-first straight gear, 1004-second motor, 1005-second straight gear, 11-shunt pipe, 12-sludge suction hopper, 13-sludge suction pipe, 14-first filter screen, 15-second filter screen, 16-partition plate, 17-discharge groove, 18-baffle, 19-cleaning door, 20-cleaning door, 21-hasp and 22-support, 23-mounting seat, 24-mounting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1:
please refer to fig. 1-3, this embodiment is a device for removing silt in a port channel, which includes a bottom plate 1, a collecting box 2 and a sludge pump 3 are disposed at the upper end of the bottom plate 1, an output end of the sludge pump 3 is communicated with a sludge discharge pipe 4, the other end of the sludge discharge pipe 4 penetrates through the right wall of the collecting box 2, an input end of the sludge pump 3 is communicated with a transfer pipe 5, a right end of the transfer pipe 5 is communicated with a hose 6, a support 7 is fixedly connected to the right end of the bottom plate 1, a lifting assembly 8 is disposed on the support 7, a lifting transverse plate 9 is connected to the right end of the lifting assembly 8, a crushing assembly 10 is disposed on the lifting transverse plate 9, a shunt pipe 11 is disposed at the lower end of the lifting transverse plate 9, a plurality of groups of sludge suction hoppers 12 are communicated with the lower end of the shunt pipe.
The lifting assembly 8 comprises a screw 801, the screw 801 is rotatably connected to the upper wall and the lower wall of the bracket 7, a first motor 802 is arranged at the upper end of the bracket 7, the output end of the first motor 802 is fixedly connected to the screw 801, a nut block 803 is screwed on the screw 801, a sliding block 804 is fixedly connected to the left end of the nut block 803, a sliding rail 805 is slidably connected to the left end of the sliding block 804, the sliding rail 805 is arranged on the left wall of the inner cavity of the bracket 7, and a lifting transverse plate 9 is fixedly connected to the right end of; the first motor 802 is started to rotate to drive the screw 801 to rotate, so that the nut block 803 is driven to move up and down along the sliding rail 805 through the sliding block 804, the lifting transverse plate 9, the mashing component 10 and the sludge suction hopper 12 are driven to lift, and the heights of the mashing component 10 and the sludge suction hopper 12 can be adjusted according to different depths of sludge in a channel.
The mashing assembly 10 comprises two mashing rods 1001, the mashing rods 1001 are rotatably connected to two sides of a lifting transverse plate 9, crushing blades 1002 are arranged on the outer wall of the lower side of the mashing rods 1001, a first straight gear 1003 is fixedly connected to the upper ends of the mashing rods 1001, a second motor 1004 is arranged at the upper ends of the lifting transverse plate 9, a second straight gear 1005 is fixedly connected to the output end of the second motor 1004, and the first straight gears 1003 on two sides are in meshing transmission with the second straight gear 1005; the second motor 1004 is started to rotate to drive the second spur gear 1005 to rotate, so that the first spur gear 1003 and the crushing rod 1001 on two sides can be driven to rotate simultaneously, and then sludge is stirred and crushed by driving the crushing blade 1002 to rotate.
The lower end of the bottom plate 1 is fixedly connected with two groups of struts 22, the lower ends of the struts 22 are fixedly connected with a mounting seat 23, and the mounting seat 23 is provided with a plurality of mounting holes 24; the present device can be fixed to the hull by fixing the struts 22 to the hull through the mounting holes 24 in the mounting seats 23.
The utility model discloses a theory of operation does:
in use, the device is first placed on the edge of the hull and then secured to the hull through the mounting holes 24 in the mounting 23. Then start first motor 802 and rotate and drive screw rod 801 and rotate to drive nut block 803 and reciprocate along slide rail 805 through slider 804, slider 804 can carry on spacingly to nut block 803, guarantee stability, thereby drive lift diaphragm 9, stir garrulous subassembly 10 and inhale the mud fill 12 and go up and down, can adjust the height that stirs garrulous subassembly 10 and inhale mud fill 12 according to the different degree of depth of silt in the channel, be applicable to the silt of the different degree of depth and clear away, application scope is wide, therefore, the clothes hanger is strong in practicability.
Starting sludge pump 3, silt is inhaled by inhaling mud bucket 12, then gets into sludge pump 3 through taking out mud pipe 13, hose 6 and switching pipe 5, then discharges to collecting box 2 through mud pipe 4 again in, can clear away the silt in the channel and inhale and collect in collecting box 2, and is effectual to the cleaing away of silt.
When silt in the channel has the bold caking or harder, and when probably containing some solid bulky impurity, rotate through starting second motor 1004 and drive second spur gear 1005 and rotate, thereby can drive the first spur gear 1003 and the rotation of stirring pole 1001 of both sides simultaneously, and then stir the breakage through driving broken blade 1002 rotation to silt, can break up the harder silt of caking, and smash great volume impurity in the silt, the effect of cleaing away to silt has been improved, avoid the harder silt of caking and the great impurity's of volume residue and the condition that probably blocks up the pipeline, the clear effect and the efficiency of silt have not only been improved, the normal operating of device has still been guaranteed, satisfy people's demand.
Example 2:
referring to fig. 1, on the basis of embodiment 1, a first filter screen 14 and a second filter screen 15 are respectively disposed on the right wall of the inner cavity of the collection box 2, a partition plate 16 is fixedly connected to the bottom of the inner cavity of the collection box 2, a discharge chute 17 is disposed in the middle of the partition plate 16, a baffle 18 is fixedly connected between the partition plate 16 and the left wall of the inner cavity of the collection box 2, and a water outlet pipe 19 is communicated with the right wall of the collection box 2.
The left wall of the collecting box 2 is hinged with two cleaning doors 20, and a hasp 21 is arranged between the lower ends of the cleaning doors 20 and the left wall of the collecting box 2.
Silt that discharges into collecting box 2 through mud pipe 4 at first carries out the prefilter to silt through first filter screen 14, the silt of great volume can be discharged from first filter screen 14 left end and fall to baffle 18 on, and less volume silt and ponding can fall to on second filter screen 15 from first filter screen 14, less volume silt can fall to collecting box 2 inner chamber left side bottom through blown down tank 17 from second filter screen 15, and water after the filtration can fall to collecting box 2 inner chamber right side bottom from second filter screen 15, accessible outlet pipe 19 discharges follow-up the processing, not only classified screening has been carried out to silt through first filter screen 14 and second filter screen 15, be favorable to the subsequent processing to silt, the effect of handling has been improved, and separate silt and most ponding, can carry out the recovery processing to ponding, also more be favorable to the follow-up processing to silt, therefore, the practicality is strong.
After the cleaning is finished, the two hasps 21 can be opened respectively, and then the two cleaning doors 20 are opened, so that sludge on the bottom of the left side of the inner cavity of the collecting box 2 and the baffle 18 can be cleaned, the cleaning is simple and convenient, and the existing requirements are met.
The electrical components are externally connected with a power supply, and the control mode is common knowledge, so that the detailed description is omitted in the specification.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Claims (6)
1. The utility model provides a harbour channel silt clearing device, includes bottom plate (1), its characterized in that: the upper end of the bottom plate (1) is provided with a collecting box (2) and a sludge pump (3), the output end of the sludge pump (3) is communicated with a sludge discharge pipe (4), the other end of the sludge discharge pipe (4) penetrates through the right wall of the collecting box (2), the input end of the sludge pump (3) is communicated with a switching tube (5), the right end of the switching tube (5) is communicated with a hose (6), a bracket (7) is fixedly connected at the right end of the bottom plate (1), a lifting component (8) is arranged on the bracket (7), the right end of the lifting component (8) is connected with a lifting transverse plate (9), the lifting transverse plate (9) is provided with a crushing component (10), the lower end of the lifting transverse plate (9) is provided with a shunt tube (11), the lower end of the shunt tube (11) is communicated with a plurality of groups of mud suction hoppers (12), the left side of the upper end of the shunt pipe (11) is communicated with a mud pumping pipe (13), and the upper end of the mud pumping pipe (13) penetrates through the lifting transverse plate (9) and is communicated with the other end of the hose (6).
2. The port and channel sludge removal device as claimed in claim 1, wherein: lifting unit (8) include screw rod (801), screw rod (801) rotate to be connected in lower wall on support (7), support (7) upper end is provided with first motor (802), first motor (802) output rigid coupling is on screw rod (801), the spiro union has nut piece (803) on screw rod (801), nut piece (803) left end rigid coupling has slider (804), slider (804) left end sliding connection has slide rail (805), slide rail (805) set up in support (7) inner chamber left wall, lift diaphragm (9) rigid coupling in nut piece (803) right-hand member.
3. The port and channel sludge removal device as claimed in claim 1, wherein: stir garrulous subassembly (10) and include that two stir garrulous pole (1001), stir garrulous pole (1001) and rotate to be connected in lift diaphragm (9) both sides, it is provided with crushing blade (1002) to stir garrulous pole (1001) downside outer wall, it has first spur gear (1003) to stir garrulous pole (1001) upper end rigid coupling, lift diaphragm (9) upper end is provided with second motor (1004), second motor (1004) output end rigid coupling has second spur gear (1005), and first spur gear (1003) of both sides all meshes the transmission with second spur gear (1005).
4. The port and channel sludge removal device as claimed in claim 1, wherein: the filter screen is characterized in that a first filter screen (14) and a second filter screen (15) are respectively arranged on the right wall of the inner cavity of the collecting box (2), a partition plate (16) is fixedly connected to the bottom of the inner cavity of the collecting box (2), a discharge chute (17) is formed in the middle of the partition plate (16), a baffle (18) is fixedly connected between the partition plate (16) and the left wall of the inner cavity of the collecting box (2), and a water outlet pipe (19) is communicated with the right wall of the collecting box (2).
5. The port and channel sludge removal device as claimed in claim 1, wherein: the left wall of the collecting box (2) is hinged with two cleaning doors (20), and a hasp (21) is installed between the lower end of each cleaning door (20) and the left wall of the collecting box (2).
6. The port and channel sludge removal device as claimed in claim 1, wherein: bottom plate (1) lower extreme rigid coupling has two sets of pillars (22), pillar (22) lower extreme rigid coupling has mount pad (23), a plurality of mounting holes (24) have been seted up on mount pad (23).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021857135.7U CN213173902U (en) | 2020-08-31 | 2020-08-31 | Harbour channel silt clearing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021857135.7U CN213173902U (en) | 2020-08-31 | 2020-08-31 | Harbour channel silt clearing device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213173902U true CN213173902U (en) | 2021-05-11 |
Family
ID=75768747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021857135.7U Expired - Fee Related CN213173902U (en) | 2020-08-31 | 2020-08-31 | Harbour channel silt clearing device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213173902U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113235686A (en) * | 2021-05-21 | 2021-08-10 | 广西乾坤环保科技有限公司 | Avoid portable draw-out device for river mud treatment of jam |
CN113431117A (en) * | 2021-07-02 | 2021-09-24 | 管秀娟 | Intelligent reservoir lane sand discharging equipment |
-
2020
- 2020-08-31 CN CN202021857135.7U patent/CN213173902U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113235686A (en) * | 2021-05-21 | 2021-08-10 | 广西乾坤环保科技有限公司 | Avoid portable draw-out device for river mud treatment of jam |
CN113431117A (en) * | 2021-07-02 | 2021-09-24 | 管秀娟 | Intelligent reservoir lane sand discharging equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN213173902U (en) | Harbour channel silt clearing device | |
CN110759588A (en) | Oil field well-flushing tank car cleaning tank filters edulcoration equipment | |
CN213112607U (en) | Multiple slag-discharging air-floating device | |
CN219932569U (en) | Automatic descaling water pump | |
CN220036157U (en) | Grouting machine | |
CN218115192U (en) | Sludge treatment device for water discharged by water treatment plant | |
CN110937718A (en) | Sewage filter with prevent blockking up structure | |
CN111039458A (en) | Ecological prosthetic devices in plateau lake fishery waters | |
CN214763587U (en) | Mud-water separation system for piling engineering | |
CN212309035U (en) | Oil-based detritus treatment and recovery device | |
CN218403752U (en) | Shallow air floatation machine for sewage treatment | |
CN209771440U (en) | Sedimentation tank for deep purification treatment of domestic sewage in large-scale cities and towns | |
CN220142772U (en) | Anti-blocking filter | |
CN112811637A (en) | Papermaking wastewater sedimentation recovery device | |
CN221045655U (en) | A advection sedimentation tank mud scraper for water treatment | |
CN111675458A (en) | River sludge treatment device for ecological environment protection | |
CN218491516U (en) | Air floatation machine for water treatment | |
CN220850175U (en) | Dredge pump for ship | |
CN219341789U (en) | Pretreatment device for catalyst production wastewater | |
CN211470848U (en) | Novel air supporting machine for sewage treatment | |
CN213537487U (en) | Industrial sewage treatment equipment based on Internet of things | |
CN221867497U (en) | Prevent blockking up sewage treatment plant of clearance of being convenient for | |
CN220225687U (en) | Suction type underground sewage pool cleaning device | |
CN221522224U (en) | Be used for mixing bed hydroecium bubble device that removes | |
CN215388130U (en) | Isotope purification and separation device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |