CN112405850A - Indoor assembled pipeline groove filler device for water and electricity installation - Google Patents
Indoor assembled pipeline groove filler device for water and electricity installation Download PDFInfo
- Publication number
- CN112405850A CN112405850A CN202011295224.1A CN202011295224A CN112405850A CN 112405850 A CN112405850 A CN 112405850A CN 202011295224 A CN202011295224 A CN 202011295224A CN 112405850 A CN112405850 A CN 112405850A
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- China
- Prior art keywords
- box body
- stirring
- supporting box
- motor
- filler
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/04—General arrangement or layout of plant the plant being mobile, e.g. mounted on a carriage or a set of carriages
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses an indoor assembled pipeline groove filling device for hydroelectric installation, which comprises a vehicle base, a supporting box body and a stirring barrel body, wherein the supporting box body is welded above the vehicle base, one side above the supporting box body is fixedly connected with a tool box, a PLC (programmable logic controller) is fixedly connected above the tool box, and the stirring barrel body is arranged on one side of the tool box. Scrape the flitch through setting up material scraping motor and L type, can scrape flitch antiport through scraping the material motor drive, the material of stirring barrel inner wall and bottom is scraped, avoid the material deposit on the stirring barrel inner wall, the washing degree of difficulty of material that can greatly reduced, the cleaning efficiency is improved, constant head tank through adopting the locating piece and will provide directional installation to the top cap, can provide the support for agitator motor stirring process, top cap and agitator motor can conveniently be said, the convenient dismantlement and the installation of the stirring subassembly of (mixing) shaft and stirring rod constitution, and then can conveniently carry out the cleaning operation to stirring barrel, and is extremely practical.
Description
Technical Field
The invention belongs to the technical field of hydropower construction, and particularly relates to an indoor assembly type pipeline groove filler device for hydropower installation.
Background
The pipeline engineering in the project construction is very important, and like the 'blood vessel' of a building, the pipeline engineering provides guarantee for water and electricity heating engineering. In the water, electricity and water construction process, a pipeline groove is required to be formed to pre-embed the pipeline, and in the pre-embedding process of the pipeline, materials are required to be backfilled inside the pipeline groove to level the wall surface, so that later-stage decoration operation is facilitated.
But current wall chase filling device when the stirring mixes the concrete, the concrete can be in the inside deposit of agitating unit, and the later stage clearance is comparatively inconvenient, and simultaneously, current agitating unit is not enough open, and each subassembly mostly all fixed mounting together, and it is comparatively inconvenient to dismantle, influences abluent efficiency, and at the mechanical packing in-process moreover, there is certain construction potential safety hazard because the packing instrument is harder and injures the pipeline easily.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide an indoor assembled pipeline trough filling device for hydroelectric installation, in order to solve the technical problem, the basic concept of the technical scheme adopted by the invention is as follows:
the utility model provides an indoor assembled water and electricity is wall chase filler device for installation, includes car base, supporting box and stirring barrel, the welding of car base top has the supporting box, supporting box top one side fixedly connected with toolbox, toolbox top fixedly connected with PLC controller, toolbox one side is provided with stirring barrel, stirring barrel with supporting box passes through bolted connection, the welding of the relative two outer wall tops of stirring barrel has the locating piece, the stirring barrel top is provided with the top cap, there is agitator motor at top cap top middle part through bolted connection, there is the (mixing) shaft through the key-type connection on the agitator motor output shaft, fixedly connected with stirring rod on the (mixing) shaft, the (mixing) shaft with the top cap rotates to be connected, be located above the top cap agitator motor one side fixedly connected with feeder hopper.
The four corners of car base below is located fixed mounting has the universal wheel, car base below top is located the welding of supporting box one side has the handle.
The stirring barrel inner wall and the bottom are provided with scraping plates which are of L-shaped structures, the lower portions of the scraping plates penetrate through the stirring barrel and the supporting box body and then are connected with scraping motors through keys, and the scraping motors are connected with the supporting box body through bolts.
The supporting box is characterized in that a storage battery is arranged on one side of the scraping motor inside the supporting box, a material conveying pump is arranged on the other side of the scraping motor, the material conveying pump is connected with the bottom of the supporting box through screws, and a discharging pipe is connected between the material conveying pump and the stirring barrel.
The feeding pipe is welded with the material conveying pump, the feeding pipe is connected with the stirring barrel through threads, the feeding pipe penetrates through the supporting box body, the output end of the material conveying pump is connected with a discharging pipe through a flange, and the discharging pipe penetrates through the supporting box body.
The discharge pipe tip is pegged graft and is had defeated material hose, the defeated material hose other end is connected with the packing box, the welding has the handrail on a packing box lateral wall, the handrail is U type structure.
The packing box body is located the equal fixedly connected with filler push rod in handrail both sides, packing box body with handrail relative lateral wall periphery articulates there is the sealed leather packing.
The material pressing box body is connected with the material pressing box body through a screw after the filler push rod penetrates through the filler box body, the material pressing box body is connected with the inner wall of the filler box body in a sliding mode, guide holes which are evenly distributed are formed in one side wall of the material pressing box body, and a guide sliding block is connected inside the guide holes in a sliding mode.
One end of the guide sliding block is fixedly connected with a material pressing rod, one side of the material pressing rod is connected with a shock pad in a glued mode, and the guide sliding block is far away from one side of the material pressing rod and the bottom of the guide hole and is fixed with a pressure spring in a clamping and pressing mode.
The sealing leather pad and the shock pad are made of rubber.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. By arranging the scraping motor and the L-shaped scraping plate, the scraping plate can be driven by the scraping motor to rotate reversely to scrape the materials on the inner wall and the bottom of the stirring cylinder, so that the materials are prevented from being deposited on the inner wall of the stirring cylinder, the cleaning difficulty of the materials can be greatly reduced, and the cleaning efficiency is improved;
2. the positioning block and the positioning groove are adopted to provide directional installation for the top cover, so that support can be provided for the stirring process of the stirring motor, the top cover, the stirring motor, the stirring shaft and the stirring rod can be conveniently detached and installed, the stirring assembly can be conveniently cleaned, and the stirring cylinder is extremely practical;
3. through setting up the pressure spring and filling push rod combined action, material pole and shock pad removal are pressed in the control, carry out the compaction to the material of filling in the wall chase inside, and the setting of pressure spring can be so that press the material pole when the harder pipeline of contact, can stretch out and draw back, avoids damaging the pipeline, promotes the factor of safety of use.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front cross-sectional view of the support housing, mixing drum and tool box portion of the present invention;
FIG. 3 is a right side sectional view of the stuffing box of the present invention;
FIG. 4 is a bottom view of the top cover of the present invention;
fig. 5 is a structural view of the scraper plate in the present invention.
In the figure: 1-vehicle base; 2-universal wheels; 3-a handle; 4-supporting the box body; 5-a tool box; 6-a PLC controller; 7-stirring the cylinder; 8-a top cover; 9-positioning grooves; 10-positioning blocks; 11-a stirring motor; 12-a feed hopper; 13-stirring shaft; 14-a stirring rod; 15-scraping plate; 16-a scraper motor; 17-a blanking pipe; 18-a delivery pump; 19-a discharge pipe; 20-a storage battery; 21-a delivery hose; 22-a stuffing box; 23-sealing leather gaskets; 24-a handrail; 25-a filler pusher; 26-a pressing box body; 27-a pilot hole; 28-a guide slide block; 29-pressure spring; 30-a swaging rod; 31-shock pad.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
Example one
As shown in fig. 1, 2 and 4, an indoor-assembled pipeline trough filling device for hydroelectric installation comprises a vehicle base 1, supporting box 4 and agitator tank 7, the welding of 1 top of car base has supporting box 4, 4 top one side fixedly connected with toolbox 5 of supporting box, 5 top fixedly connected with PLC controller 6 of toolbox, 5 one side of toolbox is provided with agitator tank 7, agitator tank 7 passes through bolted connection with supporting box 4, the welding of two relative outer wall tops of agitator tank 7 has locating piece 10, agitator tank 7 top is provided with top cap 8, there is agitator motor 11 at 8 top middle parts of top cap through bolted connection, there is (mixing) shaft 13 through the key-type connection on the 11 output shafts of agitator motor, fixedly connected with stirring rod 14 on the (mixing) shaft 13, stirring shaft 13 rotates with top cap 8 to be connected, 8 tops of top cap are located agitator motor 11 one side fixedly connected with feeder.
In this example, will provide directional installation to top cap 8 through the constant head tank 9 that adopts locating piece 10 and, can provide the support for agitator motor 11 stirring process, can conveniently say convenient dismantlement and the installation of the stirring subassembly that top cap 8 and agitator motor 11, (mixing) shaft 13 and stirring rod 14 constitute, and then can conveniently wash the operation to agitator barrel 7, and is extremely practical.
As shown in figure 1, universal wheels 2 are fixedly mounted at four corners below a vehicle base 1, a handle 3 is welded at one side of a supporting box body 4 above the lower portion of the vehicle base 1, and the handrail 24 and the universal wheels 2 can facilitate the movement of the device.
As shown in fig. 2 and 5, stirring barrel 7 inner wall and bottom are provided with scrapes flitch 15, it is L type structure to scrape flitch 15, it has scrapes material motor 16 to scrape through the key-type connection after running through stirring barrel 7 and supporting box 4 to scrape flitch 15 below, it passes through bolted connection with supporting box 4 to scrape material motor 16, can scrape flitch 15 antiport through scraping the drive of material motor 16, can be in through stirring motor 11 to the article stirring in-process, scrape the flitch 15 and scrape the material of stirring barrel 7 inner wall and bottom, avoid the material deposit on stirring barrel 7 inner wall, the washing degree of difficulty that can greatly reduced material, improve cleaning efficiency.
As shown in fig. 2, a storage battery 20 is disposed inside the supporting box 4 at one side of the scraping motor 16, a material delivery pump 18 is disposed at the other side of the scraping motor 16, the material delivery pump 18 is connected to the bottom of the supporting box 4 through a screw, a discharging pipe 17 is connected between the material delivery pump 18 and the stirring cylinder 7, the storage battery 20 can provide a standby power support for the device, and the material delivery pump 18 provides power for the delivery of the stirred material.
As shown in fig. 2, the feeding pipe 17 is welded to the feeding pump 18, the feeding pipe 17 is connected to the stirring cylinder 7 through a thread, the feeding pipe 17 penetrates through the supporting box 4, the output end of the feeding pump 18 is connected to the discharging pipe 19 through a flange, the discharging pipe 19 penetrates through the supporting box 4, and both the feeding pipe 17 and the feeding hose 21 are used for conveying materials.
As shown in fig. 1, fig. 2 and fig. 3, a material delivery hose 21 is inserted into an end of a material discharge pipe 19, the other end of the material delivery hose 21 is connected with a filler box 22, a handrail 24 is welded on a side wall of the filler box 22, the handrail 24 is of a U-shaped structure, the filler box 22 is located on two sides of the handrail 24 and is fixedly connected with a filler push rod 25, a sealing leather pad 23 is hinged to the periphery of one side wall of the filler box 22 opposite to the handrail 24, the handrail 24 can facilitate the handheld filler box 22 to perform a filling operation, and the sealing leather pad 23 can play a role in sealing a joint surface of the filler box 22 and a.
As shown in fig. 1 and fig. 3, a material pressing box 26 is connected to the filler push rod 25 through a screw after penetrating through the filler box 22, the material pressing box 26 is connected to the inner wall of the filler box 22 in a sliding manner, a guide hole 27 is formed in the side wall of the material pressing box 26 and is uniformly distributed, a guide slider 28 is connected to the inside of the guide hole 27 in a sliding manner, a material pressing rod 30 is fixedly connected to one end of the guide slider 28, a shock pad 31 is connected to one side of the material pressing rod 30 in a gluing manner, a pressure spring 29 is fixed to one side of the guide slider 28, which is far away from the material pressing rod 30, and the bottom of the guide hole 27.
In the embodiment, the pressing rod 30 and the shock pad 31 are controlled to move under the combined action of the pressure spring 29 and the packing push rod 25, so that materials filled in the pipeline groove are compacted, the pressing rod 30 can stretch back when contacting a hard pipeline due to the arrangement of the pressure spring 29, the pipeline is prevented from being damaged, and the safety factor of use is improved.
The working principle is as follows: when the automatic filling device is used, cement, sand and water with a certain proportion outside can be added into the stirring cylinder 7 through the feed hopper 12, the stirring motor 11 is started to drive the stirring shaft 13 and the stirring rod 14 to rotate, materials are uniformly stirred, the scraping motor 16 rotates to drive the scraping plate 15 to reversely rotate in the stirring process, the materials on the inner wall and the bottom of the stirring cylinder 7 are scraped, the materials are prevented from being deposited on the inner wall of the stirring cylinder 7, the cleaning difficulty of the materials can be greatly reduced, the cleaning efficiency is improved, the positioning block 10 and the positioning groove 9 are adopted to provide directional installation for the top cover 8, support can be provided for the stirring process of the stirring motor 11, the top cover 8, the stirring motor 11, the stirring assembly formed by the stirring shaft 13 and the stirring rod 14 can be conveniently disassembled and conveniently installed, and further the cleaning operation of the stirring cylinder 7 can be conveniently carried out, extremely practical, treat behind the material stirring misce bene, hand handrail 24, press the stuffing box in the outside of wall chase, filler push rod 25 moves, promote to press material box 26 and press material pole 30 to think wall chase one side and remove, carry out the compaction packing with the material, accomplish the operation of packing to the wall chase, through setting up pressure spring 29 and filler push rod 25 combined action, control is pressed material pole 30 and shock pad 31 and is removed, carry out the compaction to the material of packing in the wall chase inside, the setting of pressure spring 29, can be so that press material pole 30 when the harder pipeline of contact, can be flexible backward, avoid damaging the pipeline, factor of safety who promotes the use.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides an indoor assembled pipeline groove filler device for water and electricity installation, includes car base (1), supporting box (4) and agitator tank (7), its characterized in that, the welding of car base (1) top has supporting box (4), fixedly connected with toolbox (5) in supporting box (4) top one side, fixedly connected with PLC controller (6) in toolbox (5) top, toolbox (5) one side is provided with agitator tank (7), agitator tank (7) with supporting box (4) pass through bolted connection, the welding of agitator tank (7) relative two outer wall tops has locating piece (10), agitator tank (7) top is provided with top cap (8), there is agitator motor (11) through bolted connection in top middle part of top cap (8), there is (mixing) shaft (13) through the key-type connection on agitator motor (11) output shaft, fixedly connected with stirring rod (14) on (mixing) shaft (13), (mixing) shaft (13) with top cap (8) rotate to be connected, top cap (8) top is located agitator motor (11) one side fixedly connected with feeder hopper (12).
2. The line chase filler apparatus for indoor assembly type hydroelectric installation as claimed in claim 1, wherein the universal wheels (2) are fixedly mounted at four corners below the vehicle base (1), and the handle (3) is welded at one side of the supporting box body (4) above and below the vehicle base (1).
3. An indoor assembled type pipeline trough filling device for hydroelectric installation according to claim 1, wherein the inner wall and the bottom of the stirring cylinder (7) are provided with a scraping plate (15), the scraping plate (15) is of an L-shaped structure, a scraping motor (16) penetrates through the stirring cylinder (7) and the supporting box body (4) below the scraping plate (15) through a key, and the scraping motor (16) is connected with the supporting box body (4) through a bolt.
4. An indoor assembled pipeline chase filler device for water and electricity installation as claimed in claim 3, characterized in that the supporting box body (4) is internally located and is provided with the battery (20) on one side of the scraping motor (16), the other side of the scraping motor (16) is provided with the material conveying pump (18), the material conveying pump (18) is connected with the bottom of the supporting box body (4) through screws, and a discharging pipe (17) is connected between the material conveying pump (18) and the stirring cylinder body (7).
5. An indoor assembled water and electricity installation is with chase filler device of claim 4, characterized in that, unloading pipe (17) with defeated material pump (18) welding, unloading pipe (17) with stirring barrel (7) pass through threaded connection, unloading pipe (17) run through support box (4) set up, there is discharging pipe (19) defeated material pump (18) output through flange joint, discharging pipe (19) run through support box (4) set up.
6. An indoor assembled pipeline chase filler device for hydroelectric installation as claimed in claim 5, characterized in that the discharging pipe (19) tip is pegged graft and is had defeated material hose (21), defeated material hose (21) other end is connected with packing box (22), the welding has handrail (24) on packing box (22) a lateral wall, handrail (24) are the U type structure.
7. The line chase packing device for indoor assembled hydroelectric installation as claimed in claim 6, wherein the packing box body (22) is located at both sides of the armrest (24) and is fixedly connected with packing push rods (25), and a sealing leather gasket (23) is hinged on the periphery of one side wall of the packing box body (22) opposite to the armrest (24).
8. The line chase filling device for indoor assembly type hydroelectric installation as claimed in claim 7, wherein the filler push rod (25) is connected with a swaging box body (26) through a screw after passing through the filler box body (22), the swaging box body (26) is connected with the inner wall of the filler box body (22) in a sliding manner, one side wall of the swaging box body (26) is provided with guide holes (27) which are uniformly distributed, and the guide holes (27) are connected with guide sliders (28) in a sliding manner.
9. The line chase packing device for indoor assembly type hydroelectric installation as claimed in claim 8, wherein a swaging rod (30) is fixedly connected to one end of the guide slider (28), a shock pad (31) is glued to one side of the swaging rod (30), and a pressure spring (29) is fixed to the bottom of the guide hole (27) in a clamping and pressing manner on one side of the guide slider (28) away from the swaging rod (30).
10. An indoor assembled pipeline chase packing apparatus for hydroelectric installation as claimed in claim 9, wherein the sealing leather pad (23) and the shock absorbing pad (31) are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011295224.1A CN112405850A (en) | 2020-11-18 | 2020-11-18 | Indoor assembled pipeline groove filler device for water and electricity installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011295224.1A CN112405850A (en) | 2020-11-18 | 2020-11-18 | Indoor assembled pipeline groove filler device for water and electricity installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112405850A true CN112405850A (en) | 2021-02-26 |
Family
ID=74773342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011295224.1A Pending CN112405850A (en) | 2020-11-18 | 2020-11-18 | Indoor assembled pipeline groove filler device for water and electricity installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112405850A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398881A (en) * | 2021-05-27 | 2021-09-17 | 贵阳学院 | Sludge biochar preparation equipment for water pollution control |
| CN114931871A (en) * | 2021-07-20 | 2022-08-23 | 上海宏茂璞建设工程有限公司 | Pipeline groove filler device for indoor assembly type hydropower installation |
-
2020
- 2020-11-18 CN CN202011295224.1A patent/CN112405850A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398881A (en) * | 2021-05-27 | 2021-09-17 | 贵阳学院 | Sludge biochar preparation equipment for water pollution control |
| CN113398881B (en) * | 2021-05-27 | 2022-12-09 | 贵阳学院 | Sludge biochar preparation equipment for water pollution control |
| CN114931871A (en) * | 2021-07-20 | 2022-08-23 | 上海宏茂璞建设工程有限公司 | Pipeline groove filler device for indoor assembly type hydropower installation |
| CN114931871B (en) * | 2021-07-20 | 2024-03-08 | 上海宏茂璞建设工程有限公司 | Indoor assembled water and electricity installation is with pipeline groove filler device |
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