CN114307729A - Device for preparing concrete admixture by drilling water-based rock debris - Google Patents

Device for preparing concrete admixture by drilling water-based rock debris Download PDF

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Publication number
CN114307729A
CN114307729A CN202111408885.5A CN202111408885A CN114307729A CN 114307729 A CN114307729 A CN 114307729A CN 202111408885 A CN202111408885 A CN 202111408885A CN 114307729 A CN114307729 A CN 114307729A
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CN
China
Prior art keywords
stirring
box
water
preparing
fixing plate
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Pending
Application number
CN202111408885.5A
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Chinese (zh)
Inventor
汪廷洪
施硕
周礼
夏涛
代小军
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Sichuan Dashan River Environmental Protection Engineering Co ltd
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Sichuan Dashan River Environmental Protection Engineering Co ltd
Priority date (The priority date 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 date listed.)
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Application filed by Sichuan Dashan River Environmental Protection Engineering Co ltd filed Critical Sichuan Dashan River Environmental Protection Engineering Co ltd
Priority to CN202111408885.5A priority Critical patent/CN114307729A/en
Publication of CN114307729A publication Critical patent/CN114307729A/en
Pending legal-status Critical Current

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Abstract

The invention provides a device for preparing a concrete additive from drilling water-based rock debris, and belongs to the technical field of water-based rock debris. The device for preparing the concrete admixture by the drilling water-based cuttings comprises a stirring assembly and a cleaning assembly. The stirring assembly comprises a stirring box, a speed reducing motor and a stirring rod, a sewage draining door is movably inserted into the side part of the bottom of the stirring box, the speed reducing motor is fixedly installed on the upper surface of the stirring box, the stirring rod is rotatably connected into the stirring box, a scraping plate is arranged on one side of the stirring rod, and the scraping plate is attached to the inner wall of the stirring box. Through the setting, can drive whole material and rotate for it is better to mix the effect, can also strike off the material on the section of thick bamboo wall at the stirring in-process moreover, avoids the material to remain, causes the waste, simultaneously, conveniently washs equipment, can also improve the device's practicality to resource recovery after the abluent.

Description

Device for preparing concrete admixture by drilling water-based rock debris
Technical Field
The invention relates to the technical field of water-based rock debris, in particular to a device for preparing a concrete admixture from drilling water-based rock debris.
Background
At present, in China, some wastes are left after drilling production, such as: water base detritus, these water base detritus are if unreasonable processing, can cause certain influence to the environment after piling up, increase environmental pollution, generally be used for water base detritus in producing concrete admixture, agitated vessel need be used in concrete admixture's production, refer to relevant setting, at the stirring in-process, the puddler is the stirring mid portion generally, it is not good to cause the stirring effect, and still there is the material to remain on the section of thick bamboo wall, cause the wasting of resources, and simultaneously, after agitated vessel used the completion, do not wash agitated vessel well, agitated vessel's practicality has been reduced.
Disclosure of the invention
In order to make up for the defects, the invention provides a device for preparing a concrete admixture by drilling water-based rock debris, aiming at solving the problems of poor stirring effect, material residue and poor cleaning.
The embodiment of the invention provides a device for preparing a concrete admixture by drilling water-based rock debris.
The stirring assembly comprises a stirring box, a speed reducing motor and a stirring rod, a sewage draining door is movably inserted into the side part of the bottom of the stirring box, the speed reducing motor is fixedly installed on the upper surface of the stirring box, the stirring rod is rotatably connected into the stirring box, one end of the stirring rod is fixedly connected with the output end of the speed reducing motor, a scraper is arranged on one side of the stirring rod, the scraper is attached to the inner wall of the stirring box, the cleaning assembly comprises a recovery box, a sewage treatment box, a coarse filtering net, an activated carbon filtering net, an elastic piece, a water pump and a spraying head, the recovery box is movably inserted into the side part of the bottom of the stirring box, the recovery box is communicated with the stirring box through the sewage draining door, the sewage treatment box is fixedly connected with the lower surface of the stirring box, the sewage treatment box is communicated with the recovery box, the coarse filtering net and the activated carbon filtering net are sequentially movably inserted into the sewage treatment box, and the water pump is arranged on one side of the stirring box, the water inlet end of the water pump is communicated with the sewage treatment box, the sprinkler head is arranged on the inner top surface of the stirring box, and the sprinkler head is communicated with the water outlet end of the water pump.
In the implementation process, through the arrangement of the stirring component, under the coordination of the speed reduction motor, the stirring rod and the scraper, when stirring, the scraper is always attached to the inner wall of the stirring box, so that materials adhered to the inner wall of the stirring box can be scraped, and simultaneously, the materials in the whole stirring box can be driven to rotate, so that the stirring efficiency is higher, the stirring effect is better, through the arrangement of the cleaning component, the stirring box can be automatically cleaned, through the arrangement of the recovery box, the materials which are cleaned and can be reused can be recovered, the resource waste is avoided, the sewage after cleaning can be reused through the treatment of the coarse filter screen and the activated carbon filter screen, so that the water resource waste is reduced, through the arrangement, the whole materials can be driven to rotate, the mixing effect is better, and the materials on the wall of the cylinder can be scraped in the stirring process, avoid the material to remain, cause the waste, simultaneously, conveniently wash equipment, can also improve the device's practicality to resource recovery after the abluent.
In a specific embodiment, the speed reducing motor is provided with a protective cover which is fixedly connected to the upper surface of the stirring box.
In the implementation process, the protective cover is arranged, so that the speed reduction motor can be well protected.
In a specific embodiment, the stirring box is provided with a mounting groove, and the recovery box is slidably arranged in the mounting groove.
In the above-mentioned realization process, through the setting of mounting groove, the convenience is placed retrieving the box, can be so that retrieve the box and be convenient for take.
In a specific embodiment, the stirring box is provided with a first through hole, the recycling box is provided with a second through hole, and the first through hole and the second through hole are correspondingly arranged.
In the implementation process, the first through hole and the second through hole are arranged, so that the cleaned water can conveniently flow into the sewage treatment tank.
In a specific embodiment, the stirring box is provided with a sewage draining outlet, and the sewage draining door is arranged on the sewage draining outlet.
In the implementation process, the cleaning sewage in the stirring box is conveniently discharged through the arrangement of the sewage draining outlet.
In a specific embodiment, the stirring box is provided with a support frame, and the water pump is arranged on the upper surface of the support frame.
In the implementation process, the supporting frame is arranged, so that the stirring box and the water pump can be supported.
In a specific embodiment, the elastic member includes a first fixing plate, a second fixing plate, a fixing rod and a spring, the first fixing plate is fixedly connected to one side of the sewage treatment tank, the second fixing plate is slidably connected to one side of the sewage treatment tank, the fixing rod slidably penetrates through the first fixing plate, the fixing rod is fixedly penetrated through the second fixing plate, and the spring is disposed between the first fixing plate and the second fixing plate.
In the implementation process, the elastic piece is arranged, and the coarse filter screen and the activated carbon filter screen can be conveniently fixed under the matching of the first fixing plate, the second fixing plate, the fixing rod and the spring.
In a specific embodiment, the lower surface of the sewage treatment tank is fixedly connected with a supporting leg.
In the implementation process, the supporting legs are arranged, so that the sewage treatment box can be supported and fixed.
In a specific embodiment, the sewage treatment tank is provided with a sliding groove, and the second fixing plate is provided with a sliding block which is slidably connected in the sliding groove.
In the implementation process, the sliding groove and the sliding block are arranged, so that the second fixing plate can slide conveniently, and meanwhile, the second fixing plate can be limited.
In a specific embodiment, a feed inlet is arranged on one side of the stirring box.
In the implementation process, the raw materials are conveniently added into the stirring box through the arrangement of the feeding hole.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a first perspective view of an apparatus for preparing a concrete admixture from drilling water-based cuttings according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic view of a part of a cleaning assembly according to an embodiment of the present invention;
fig. 4 is an enlarged schematic structural diagram at B in fig. 3 according to an embodiment of the present invention.
In the figure: 100-a stirring assembly; 110-a stirring box; 111-a waste gate; 112-mounting grooves; 113-a first via; 114-a sewage draining outlet; 115-a support frame; 116-a feed inlet; 120-a reduction motor; 121-a shield; 130-a stirring rod; 131-a scraper; 200-cleaning the assembly; 210-a recovery box; 211-second via hole; 220-sewage treatment tank; 221-a leg support; 222-a chute; 230-coarse filter screen; 240-activated carbon filter screen; 250-an elastic member; 251-a first fixing plate; 252-a second fixation plate; 2521-a slider; 253-fixing the rod; 254-a spring; 260-a water pump; 270-sprinkler head.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
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 invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, the present invention provides an apparatus for preparing a concrete admixture from drilling water-based cuttings, comprising a stirring assembly 100 and a cleaning assembly 200.
Wherein, through the setting of stirring subassembly 100, can be so that the stirring effect is better, can also strike off the material on the section of thick bamboo wall, through the setting of wasing subassembly 200, can wash this equipment.
Referring to fig. 1 and 2, the stirring assembly 100 includes a stirring box 110, a speed reduction motor 120 and a stirring rod 130, a sewage discharge door 111 is movably inserted into the bottom side of the stirring box 110, the stirring box 110 is provided with a mounting groove 112, a recovery box 210 is slidably disposed in the mounting groove 112, in the specific arrangement, the recovery box 210 is convenient to place through the arrangement of the installation groove 112, the recycling box 210 can be conveniently taken, the stirring box 110 is provided with a first through hole 113, the recycling box 210 is provided with a second through hole 211, the first through hole 113 and the second through hole 211 are correspondingly arranged, in this document, the first through hole 113 and the second through hole 211 are arranged to facilitate the flow of the cleaned water into the sewage treatment tank 220, the stirring tank 110 is provided with a sewage discharge outlet 114, the sewage discharge door 111 is arranged at the sewage discharge outlet 114, in this embodiment, the cleaning wastewater in the stirring tank 110 is conveniently discharged through the sewage discharge outlet 114.
In the specific arrangement, the stirring tank 110 is provided with a support frame 115, and the water pump 260 is arranged on the upper surface of the support frame 115, and it should be noted that, through the arrangement of the support frame 115, can support the stirring box 110 and the water pump 260, the feeding hole 116 is arranged at one side of the stirring box 110, and it should be noted that, the raw materials are conveniently added into the stirring box 110 through the arrangement of the feeding hole 116, the speed reducing motor 120 is fixedly arranged on the upper surface of the stirring box 110, the speed reducing motor 120 is provided with a protective cover 121, the protective cover 121 is fixedly connected to the upper surface of the stirring box 110, and what needs to be mentioned, through the arrangement of the protective cover 121, the speed reducing motor 120 can be well protected, the stirring rod 130 is rotatably connected in the stirring box 110, and puddler 130 one end fixed connection is in gear motor 120 output, and puddler 130 one side is provided with scraper blade 131, and scraper blade 131 laminates and sets up in agitator tank 110 inner wall.
Referring to fig. 1, 2, 3 and 4, the cleaning assembly 200 includes a recycling box 210, a sewage treatment box 220, a coarse filter screen 230, an activated carbon filter screen 240, an elastic member 250, a water pump 260 and a spraying head 270, the recycling box 210 is movably inserted into a bottom side portion of the stirring box 110, the recycling box 210 is communicated with the stirring box 110 through a blow-down door 111, the sewage treatment box 220 is fixedly connected to a lower surface of the stirring box 110, the sewage treatment box 220 is communicated with the recycling box 210, and a leg 221 is fixedly connected to a lower surface of the sewage treatment box 220.
In this embodiment, the elastic member 250 includes a first fixing plate 251, a second fixing plate 252, a fixing rod 253 and a spring 254, the first fixing plate 251 is fixedly connected to one side of the sewage treatment tank 220, the second fixing plate 252 is slidably connected to one side of the sewage treatment tank 220, the fixing rod 253 slidably penetrates through the first fixing plate 251, the fixing rod 253 fixedly penetrates through the second fixing plate 252, the spring 254 is disposed between the first fixing plate 251 and the second fixing plate 252, when the elastic member 250 is specifically disposed, the coarse filter 230 and the activated carbon filter 240 can be conveniently fixed by the cooperation of the first fixing plate 251, the second fixing plate 252, the slider 2521 is slidably connected in the slider 222, in this embodiment, by the arrangement of the slider 222 and the slider 2521, the second fixing plate 252 can be conveniently slid, and meanwhile, the second fixing plate 252 can be limited, the water pump 260 is arranged on one side of the stirring box 110, the water inlet end of the water pump 260 is communicated with the sewage treatment box 220, the sprinkler head 270 is arranged on the inner top surface of the stirring box 110, and the sprinkler head 270 is communicated with the water outlet end of the water pump 260.
The working principle of the device for preparing the concrete admixture by the drilling water-based rock debris is as follows: when the device is used, raw materials are added into the stirring box 110 through the feeding hole 116, the speed reducing motor 120 is started, the stirring rod 130 is driven to rotate through the speed reducing motor 120, the scraper 131 is driven to rotate on the inner wall of the stirring box 110, so that materials in the stirring box 110 are stirred and mixed, when the device needs to be cleaned after stirring is completed, the water pump 260 is started, water in the sewage treatment box 220 is pumped through the water pump 260 and conveyed into the sprinkler head 270, so that the stirring box 110 is washed, after washing is completed, the sewage discharge door 111 is opened, sewage flows into the recovery box 210, the sewage flows into the sewage treatment box 220 through the first through hole 113 and the second through hole 211, the materials are left in the recovery box 210, the sewage flows into the sewage treatment box 220, is treated through the coarse filter screen 230 and the activated carbon filter screen 240 and then is stored at the bottom of the sewage treatment box 220, and the whole materials can be driven to rotate through the arrangement, the mixing effect is better, the materials on the cylinder wall can be scraped off in the stirring process, the materials are prevented from remaining, waste is caused, and meanwhile, the equipment is convenient to clean, and the resource can be recovered after cleaning, so that the practicability of the device is improved.
It should be noted that the specific model specifications of the reduction motor 120 and the water pump 260 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the reduction motor 120 and the water pump 260 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.
The above description is only an example of the present invention, and is not intended to limit the scope of the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The device for preparing the concrete admixture by using the drilling water-based rock debris is characterized by comprising a stirring assembly (100), wherein the stirring assembly (100) comprises a stirring box (110), a speed reducing motor (120) and a stirring rod (130), a sewage discharge door (111) is movably inserted at the bottom side of the stirring box (110), the speed reducing motor (120) is fixedly installed on the upper surface of the stirring box (110), the stirring rod (130) is rotatably connected in the stirring box (110), one end of the stirring rod (130) is fixedly connected to the output end of the speed reducing motor (120), a scraping plate (131) is arranged on one side of the stirring rod (130), and the scraping plate (131) is attached to the inner wall of the stirring box (110);
the cleaning assembly (200) comprises a recovery box (210), a sewage treatment box (220), a coarse filter screen (230), an activated carbon filter screen (240), an elastic piece (250), a water pump (260) and a sprinkler head (270), wherein the recovery box (210) is movably inserted into the bottom side part of the stirring box (110), the recovery box (210) is communicated with the stirring box (110) through a sewage discharge door (111), the sewage treatment box (220) is fixedly connected to the lower surface of the stirring box (110), the sewage treatment box (220) is communicated with the recovery box (210), the coarse filter screen (230) and the activated carbon filter screen (240) are movably inserted into the sewage treatment box (220) in sequence and are fixed through the elastic piece (250), the water pump (260) is arranged on one side of the stirring box (110), and the water inlet end of the water pump (260) is communicated with the sewage treatment box (220), the sprinkler head (270) is arranged on the inner top surface of the stirring box (110), and the sprinkler head (270) is communicated with the water outlet end of the water pump (260).
2. The apparatus for preparing concrete admixture for water-based cuttings for drilling well according to claim 1, wherein the speed reduction motor (120) is provided with a shield (121), and the shield (121) is fixedly connected to the upper surface of the stirring tank (110).
3. The apparatus for preparing the concrete admixture for the drilling water-based cuttings as claimed in claim 1, wherein the stirring tank (110) is provided with an installation groove (112), and the recovery box (210) is slidably disposed in the installation groove (112).
4. The apparatus for preparing the concrete admixture for the water-based drill cuttings as claimed in claim 1, wherein the agitator tank (110) is formed with a first through hole (113), the recovery box (210) is formed with a second through hole (211), and the first through hole (113) and the second through hole (211) are correspondingly formed.
5. The apparatus for preparing the concrete admixture for the drilling water-based cuttings as claimed in claim 1, wherein the agitator tank (110) is provided with a sewage outlet (114), and the sewage discharge door (111) is arranged at the sewage outlet (114).
6. The apparatus for preparing concrete admixture for water-based cuttings for drilling well according to claim 1, wherein the stirring tank (110) is provided with a support frame (115), and the water pump (260) is provided on an upper surface of the support frame (115).
7. The apparatus of claim 1, wherein the elastic member (250) comprises a first fixing plate (251), a second fixing plate (252), a fixing rod (253) and a spring (254), the first fixing plate (251) is fixedly connected to one side of the wastewater treatment tank (220), the second fixing plate (252) is slidably connected to one side of the wastewater treatment tank (220), the fixing rod (253) slidably penetrates through the first fixing plate (251), and the fixing rod (253) is fixedly penetrated through the second fixing plate (252), the spring (254) is disposed between the first fixing plate (251) and the second fixing plate (252).
8. The apparatus for preparing the concrete admixture for the drilling water-based cuttings as claimed in claim 1, wherein the lower surface of the sewage treatment tank (220) is fixedly connected with the legs (221).
9. The apparatus for preparing the concrete admixture for the drilling water-based rock debris as claimed in claim 7, wherein the sewage treatment tank (220) is provided with a chute (222), the second fixing plate (252) is provided with a sliding block (2521), and the sliding block (2521) is slidably connected in the chute (222).
10. The apparatus for preparing the concrete admixture for the drilling water-based cuttings according to claim 1, wherein a feed inlet (116) is formed at one side of the stirring tank (110).
CN202111408885.5A 2021-11-25 2021-11-25 Device for preparing concrete admixture by drilling water-based rock debris Pending CN114307729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111408885.5A CN114307729A (en) 2021-11-25 2021-11-25 Device for preparing concrete admixture by drilling water-based rock debris

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111408885.5A CN114307729A (en) 2021-11-25 2021-11-25 Device for preparing concrete admixture by drilling water-based rock debris

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CN114307729A true CN114307729A (en) 2022-04-12

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Citations (9)

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Publication number Priority date Publication date Assignee Title
EP0911130A2 (en) * 1997-06-13 1999-04-28 Vervant Limited A blender
US5908240A (en) * 1994-06-30 1999-06-01 Hood; Max George Apparatus for cement blending capable of forming a thick slurry
CN207290508U (en) * 2017-09-13 2018-05-01 安徽华城兴建材科技有限公司 A kind of energy saving calcium carbonate plate process equipment
CN209065579U (en) * 2018-11-07 2019-07-05 王泓凯 A kind of environmental protection sewage-treatment plant
CN211333962U (en) * 2019-12-18 2020-08-25 江西永宏新型建材有限公司 High-efficient concrete mixing equipment
CN211384718U (en) * 2019-12-20 2020-09-01 常州市聚美干燥设备有限公司 A belt cleaning device for compounding equipment
CN212525208U (en) * 2020-05-06 2021-02-12 申隐杰 Fine sand separating device of concrete sand-stone separator
CN213834896U (en) * 2020-11-26 2021-07-30 河南恒基环境技术有限公司 Novel sewage treatment device
CN214076130U (en) * 2020-10-29 2021-08-31 瑞德佑业科技发展(天津)有限公司 Mixing arrangement of adhesive production facility

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5908240A (en) * 1994-06-30 1999-06-01 Hood; Max George Apparatus for cement blending capable of forming a thick slurry
EP0911130A2 (en) * 1997-06-13 1999-04-28 Vervant Limited A blender
CN207290508U (en) * 2017-09-13 2018-05-01 安徽华城兴建材科技有限公司 A kind of energy saving calcium carbonate plate process equipment
CN209065579U (en) * 2018-11-07 2019-07-05 王泓凯 A kind of environmental protection sewage-treatment plant
CN211333962U (en) * 2019-12-18 2020-08-25 江西永宏新型建材有限公司 High-efficient concrete mixing equipment
CN211384718U (en) * 2019-12-20 2020-09-01 常州市聚美干燥设备有限公司 A belt cleaning device for compounding equipment
CN212525208U (en) * 2020-05-06 2021-02-12 申隐杰 Fine sand separating device of concrete sand-stone separator
CN214076130U (en) * 2020-10-29 2021-08-31 瑞德佑业科技发展(天津)有限公司 Mixing arrangement of adhesive production facility
CN213834896U (en) * 2020-11-26 2021-07-30 河南恒基环境技术有限公司 Novel sewage treatment device

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Application publication date: 20220412

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