CN112791495A - Drilling mud negative pressure sieve - Google Patents
Drilling mud negative pressure sieve Download PDFInfo
- Publication number
- CN112791495A CN112791495A CN202011568241.8A CN202011568241A CN112791495A CN 112791495 A CN112791495 A CN 112791495A CN 202011568241 A CN202011568241 A CN 202011568241A CN 112791495 A CN112791495 A CN 112791495A
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- screen
- negative pressure
- winding drum
- mud
- vibrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/29—Filters with filtering elements which move during the filtering operation the movement of the filter elements being a combination of movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/41—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
- B01D33/42—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/803—Accessories in which the filtering elements are moved between filtering operations ; Particular measures for removing or replacing the filtering elements; Transport systems for filters
Abstract
The invention discloses a drilling mud negative pressure screen, which comprises a screen body shell, wherein the upper end of the screen body shell is provided with a slurry inlet, a screening device is arranged below the slurry inlet, the screening device comprises a horizontal soft screen, two ends of the screen are respectively wound on a first winding drum and a second winding drum, a plurality of vibrating drums are arranged between the first winding drum and the second winding drum, the vibrating drums are positioned between two layers of screen meshes, a plurality of negative pressure exhaust pipes are arranged among the vibrating drums in a crossed manner, and the negative pressure exhaust pipes are connected with the first negative pressure device; a first water pan is arranged below the vibrating cylinder and the negative pressure exhaust pipe and communicated with a slurry discharge port on the screen body shell; the conveyer belt is arranged below the first winding drum and is positioned above the discharge hole. This scheme can strengthen oil well control, reduces the environmental risk. The processing is carried out in a completely closed mode, the air negative pressure principle and the conveying belt are adopted, oil mist is not discharged, noise caused by low-frequency vibration is avoided, and the working environment can be effectively improved.
Description
Technical Field
The invention relates to the technical field of drilling, in particular to a drilling mud negative pressure screen.
Background
Conventional shakers use pre-tensioned screens in the frame, with G up to 7.5G, resulting in separation of fluid from debris. However, the application of such a large G force to the pre-tensioned screen results in particles larger than the screen openings also being pushed through the screen openings and also results in degradation of the particles, leaving more particles small enough to pass through the screen openings, thus contaminating the otherwise clean slurry.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a drilling mud negative pressure screen for performing solid-liquid separation by using air negative pressure.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the drilling mud negative pressure screen comprises a screen body shell, wherein a mud inlet is formed in the upper end of the screen body shell, a screening device is arranged below the mud inlet and comprises a horizontal soft screen, two ends of the screen are respectively wound on a first winding drum and a second winding drum, the first winding drum is installed on the screen body shell through a rotating shaft, and the rotating shaft at one end of the first winding drum is connected with a screening motor; the two second winding drums are respectively positioned at two sides of the screen, the two second winding drums are respectively arranged on the screen shell through transmission shafts, and the transmission shafts are connected with a rotating shaft on the first winding drum through the matching of a chain wheel and a chain; a mud scraping device is arranged between the two second winding drums, a mud receiving disc is arranged below the mud scraping device, and the mud receiving disc is connected with a mud discharging channel of the screen body shell;
a plurality of vibrating drums are arranged between the first winding drum and the second winding drum, the vibrating drums are positioned between two layers of screens, a plurality of top columns are arranged on the outer circumference of each vibrating drum, the plurality of top columns are distributed on the vibrating drums in a diagonal manner along the length direction, and the length of each top column is greater than the height of each vibrating drum from the screen; the vibration cylinder is connected with a vibration motor; the vibrating cylinders are arranged side by side, a plurality of negative pressure exhaust pipes are arranged among the vibrating cylinders in a crossed mode, a plurality of exhaust holes facing the bottom of the upper-layer screen are formed in the negative pressure exhaust pipes, and the negative pressure exhaust pipes are all connected with the first negative pressure device;
a first water pan is arranged below the vibrating cylinder and the negative pressure exhaust pipe, the length of the first water pan is equal to the span of the first winding drum and the second winding drum, and the first water pan is communicated with a slurry discharge port on the screen body shell; a tensioning wheel for tensioning the screen is arranged below the first water receiving tray, and the tensioning wheel is in contact with the lower layer of the screen; the below of first reel is provided with the conveyer belt, and the conveyer belt is installed on two third reels, and the third reel is connected with conveying motor, and the conveyer belt is located the top of discharge gate.
The invention has the beneficial effects that: this scheme can strengthen oil well control, reduces the environmental risk. The processing is carried out in a completely closed mode, the air negative pressure principle and the conveying belt are adopted, oil mist is not discharged, noise caused by low-frequency vibration is avoided, and the working environment can be effectively improved. The drilling cuttings containing solid phase and liquid phase are mechanically separated by using negative pressure, chemicals required for maintaining the performance of the drilling fluid are reduced, and the environment is effectively protected. When drilling mud is actually processed, the volume content of the mud in the separated drill cuttings can be reduced to below 40%; the oil content can be reduced by 54-69% relative to the common vibrating screen and reduced to 6-8%. The average residence time of the drilling mud on the screen surface is short, and the time is greatly reduced compared with the time of the traditional separation method, so that the treatment fluid amount in unit time can be obviously improved. The scheme does not need the auxiliary action of equipment such as a centrifugal machine and a dryer (oil-based mud), and is also beneficial to reducing the cost.
Drawings
FIG. 1 is a schematic front view of a drilling mud negative pressure screen.
FIG. 2 is a schematic diagram of a top view of a drilling mud negative pressure screen.
Figure 3 is a block diagram of the filter belt and the third reel.
Fig. 4 is a structural view of the screen.
Fig. 5 is a structural view of the mud scraping device.
Fig. 6 is a structural view of an air knife pipe.
The device comprises a slurry inlet 1, a slurry inlet 2, a first camera 3, an observation window 4, a handle 5, a fifth winding drum 6, a conveying belt 7, a discharge port 8, a second camera 9, a first winding drum 10, a screen 11, a chain 12, a first water pan 13, a tensioning wheel 14, an air knife pipe 15, a negative pressure exhaust pipe 16, a vibration drum 17, a joint 18, an air outlet groove 19, a second winding drum 20, a mud pan 21, a screen body shell 22, a third winding drum 23, a filter belt 24, a second water pan 25, a first adhesive strip 26, a second adhesive strip 27, a fourth winding drum 28, a top column 29, a first negative pressure device 30, a mud scraping motor 31, a transmission shaft 32, a mud scraping shaft 33, a bearing 34, a fixed wheel 35, a mud scraping blade 36, a rib 37, a rolling strip 38 and a connecting block.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
As shown in fig. 1 to 6, the drilling mud negative pressure screen of the scheme comprises a screen body shell 21, a mud inlet 1 is arranged at the upper end of the screen body shell 21, a screening device is arranged below the mud inlet 1, the screening device comprises a horizontal soft screen 10, two ends of the screen 10 are respectively wound on a first winding drum 9 and a second winding drum 19, the first winding drum 9 is installed on the screen body shell 21 through a rotating shaft, and the rotating shaft at one end of the first winding drum 9 is connected with a screening motor; the two second winding drums 19 are respectively positioned at two sides of the screen cloth 10, the two second winding drums 19 are respectively arranged on the screen body shell 21 through transmission shafts 31, the transmission shafts 31 are connected with rotating shafts on the first winding drums 9 through the matching of chain wheels and chains 11, and the rotating shafts drive the transmission shafts 31 to rotate; a mud scraping device is arranged between the two second winding drums 19 and used for scraping residual mud on the screen cloth 10, a mud receiving disc 20 is arranged below the mud scraping device, and the mud receiving disc 20 is connected with a mud discharging channel of the screen body shell 21.
A plurality of vibrating drums 16 are arranged between the first winding drum 9 and the second winding drum 19, the vibrating drums 16 are positioned between two layers of screen cloth 10, a plurality of top columns 28 are arranged on the outer circumference of the vibrating drums 16, the plurality of top columns 28 are distributed on the vibrating drums 16 in an oblique line along the length direction, and the length of each top column 28 is greater than the height of each vibrating drum 16 from the screen cloth 10; the vibration cylinder 16 is connected with a vibration motor; the plurality of vibration barrels 16 are arranged side by side, the plurality of negative pressure exhaust pipes 15 are arranged among the plurality of vibration barrels 16 in a crossed mode, a plurality of exhaust holes towards the bottom of the upper screen 10 are formed in the negative pressure exhaust pipes 15, and the plurality of negative pressure exhaust pipes 15 are all connected with the first negative pressure device 29.
A first water pan 12 is arranged below the vibrating cylinder 16 and the negative pressure exhaust pipe 15, the length of the first water pan 12 is equal to the span of the first winding cylinder 9 and the second winding cylinder 19, and the first water pan 12 is communicated with a slurry discharge port on the screen body shell 21; a tension wheel 13 for tensioning the screen cloth 10 is arranged below the first water pan 12, and the tension wheel 13 is in contact with the lower layer of the screen cloth 10; the conveyer belt 6 is arranged below the first winding drum 9, the conveyer belt 6 is arranged on two fourth winding drums 27, the fourth winding drums 27 are connected with a conveyer motor, and the conveyer belt 6 is positioned above the discharge hole 7.
During operation, the stock solution of drilling mud is discharged into screen cloth 10 through advancing thick liquid mouth 1 on, and screen cloth 10 separates solid and liquid in the stock solution, and the liquid that separates falls into first drain pan 12 in, the solid is stayed on screen cloth 10 simultaneously, is driven by screen cloth 10 and falls into on conveyer belt 6, discharges into discharge gate 7 and discharges. The vibration cylinder 16 below the screen 10 rolls to drive different positions of the screen 10 to vibrate slightly, so that solids move slightly on the screen 10, liquid attached to the solids can fall off, meanwhile, the negative pressure exhaust pipe 15 blows air from bottom to top, the liquid attached to the solids is further ensured to fall off, the solids clamped on the screen 10 fall off, and the solid-liquid separation effect of the screen 10 is promoted.
A filter belt 23 is arranged below the lower layer of the screen mesh 10, two ends of the filter belt 23 are respectively wound on a third winding drum 22, and the third winding drum 22 at one end is connected with a filter motor; a second water pan 24 is arranged below the filter belt 23, and the second water pan 24 is communicated with a slurry discharge port on the screen body shell 21; the conveyor belt 6 is located below one end of the filter belt 23.
In the conveying process of the screen 10, solids clamped on the screen 10 can directly fall onto the filter belt 23, the filter belt 23 can convey the residual solids onto the conveying belt 6 again, the loss of the solids is avoided, the residual water on the solids can be filtered again, the effect of solid-liquid separation is promoted, and the completeness of the separation of drilling mud is ensured.
The filter belt 23 comprises a plurality of parallel rolling strips 37, the rolling strips 37 are connected through soft connecting blocks 38, the upper end and the lower end of each rolling strip 37 are both convex arc-shaped surfaces, and the upper end and the lower end of each connecting block 38 are both concave arc-shaped surfaces; the third drum 22 is provided with a plurality of uniformly distributed ribs 36 on the circumference, the ribs 36 are embedded into the connecting blocks 38 between the rolling strips 37 to realize matching, and the connecting blocks 38 are provided with a plurality of water leakage holes. The filter belt 23 is matched with the third winding drum 22 for transmission, so that the transmission is stable while water filtration is realized, and solids are not easy to roll out of the filter belt 23 and fall off.
An air knife pipe 14 is arranged above the lower layer of the screen mesh 10, a strip-shaped air outlet groove 18 is formed in the air knife pipe 14, one end of the air knife pipe 14 is sealed, the other end of the air knife pipe 14 is connected with a second negative pressure device, and the air knife pipe 14 is fixedly installed in a screen shell 21. The air knife pipe 14 blows strong air downwards to blow off solids clamped on the screen mesh 10, and the solids are conveyed to the discharge hole 7 through the filter belt 23, so that the solids are prevented from blocking the screen mesh 10.
The mud scraping device comprises a plurality of fixed wheels 34, the fixed wheels 34 are installed on the mud scraping shaft 32, the mud scraping shaft 32 is arranged in the transmission shaft 31, the mud scraping shaft 32 penetrates through the transmission shaft 31, one end of the mud scraping shaft 32 is connected with the mud scraping motor 30, the inner wall of the mud scraping shaft 32 and the inner wall of the transmission shaft 31 are connected through a bearing 33, mud scraping blades 35 are arranged on the fixed wheels 34, the mud scraping blades 35 are inserted into slots formed in the fixed wheels 34, and the mud scraping blades 35 are connected with the fixed wheels 34 through bolts.
When the screen cloth 10 needs to scrape mud, the mud scraping motor 30 is started to rotate, so that the mud scraping blade 35 contacts with the surface of the screen cloth 10, the attached mud on the screen cloth 10 is scraped, and meanwhile, the mud falls on the mud receiving disc 20 and is discharged, and the mud is prevented from blocking holes of the screen cloth 10.
The two sides of the screen mesh 10 are provided with soft first adhesive strips 25, the edges of the second reel 19 and the second reel 19 are both provided with second adhesive strips 26, the first adhesive strips 25 are adhered to the second adhesive strips 26, and the joints 17 at the two ends of the screen mesh 10 are also adhered through the first adhesive strips 25 and the second adhesive strips 26. The screen cloth 10 is bonded through the matching of the first adhesive strip 25 and the second adhesive strip 26, and is convenient to detach and mount. The screen 10 is replaced in time when damage to the screen 10 occurs.
A first camera 2 is arranged above the upper layer of the screen 10, a second camera 8 is arranged above the conveying belt 6, and the first camera 2 and the second camera 8 collect images and working conditions to judge the effect quality of solid-liquid separation.
Be provided with the observation window 3 that can open on the screen frame shell 21, the other fifth reel 5 that is provided with of observation window 3, the winding has screen cloth 10 on the fifth reel 5, is provided with the handle 4 that conveniently opens on the observation window 3, has the raw materials of changing screen cloth 10 on the fifth reel 5, can directly get new screen cloth 10 on the fifth reel 5 and change, alone can operate the completion. The staff can open observation window 3 and get the raw materials and detect.
This scheme can strengthen oil well control, reduces the environmental risk. The processing is carried out in a completely closed mode, the air negative pressure principle and the conveying belt 6 are adopted, oil mist is not discharged, noise caused by low-frequency vibration is avoided, and the working environment can be effectively improved. The drilling cuttings containing solid phase and liquid phase are mechanically separated by using negative pressure, chemicals required for maintaining the performance of the drilling fluid are reduced, and the environment is effectively protected. When drilling mud is actually processed, the volume content of the mud in the separated drill cuttings can be reduced to below 40%; the oil content can be reduced by 54-69% relative to the common vibrating screen and reduced to 6-8%. The average residence time of the drilling mud on the screen 10 surface is short and the time is considerably reduced compared to conventional separation methods, so that the amount of treatment fluid per unit time can be considerably increased. The scheme does not need the auxiliary action of equipment such as a centrifugal machine and a dryer (oil-based mud), and is also beneficial to reducing the cost.
Claims (8)
1. The drilling mud negative pressure screen is characterized by comprising a screen body shell, wherein a mud inlet is formed in the upper end of the screen body shell, a screening device is arranged below the mud inlet, the screening device comprises a horizontal soft screen, two ends of the screen are respectively wound on a first winding drum and a second winding drum, the first winding drum is installed on the screen body shell through a rotating shaft, and the rotating shaft at one end of the first winding drum is connected with a screening motor; the two second winding drums are respectively positioned at two sides of the screen, the two second winding drums are respectively arranged on the screen shell through transmission shafts, and the transmission shafts are connected with a rotating shaft on the first winding drum through the matching of chain wheels and chains; a mud scraping device is arranged between the two second winding drums, a mud receiving disc is arranged below the mud scraping device, and the mud receiving disc is connected with a mud discharging channel of the screen body shell;
a plurality of vibrating drums are arranged between the first winding drum and the second winding drum, the vibrating drums are positioned between two layers of screens, a plurality of top pillars are arranged on the outer circumference of each vibrating drum, the plurality of top pillars are distributed on each vibrating drum in a diagonal manner along the length direction, and the length of each top pillar is greater than the height of each vibrating drum from each screen; the vibration cylinder is connected with a vibration motor; the vibrating cylinders are arranged side by side, a plurality of negative pressure exhaust pipes are arranged among the vibrating cylinders in a crossed mode, a plurality of exhaust holes facing the bottom of the upper-layer screen are formed in the negative pressure exhaust pipes, and the negative pressure exhaust pipes are all connected with a first negative pressure device;
a first water pan is arranged below the vibrating cylinder and the negative pressure exhaust pipe, the length of the first water pan is equal to the span of the first winding drum and the second winding drum, and the first water pan is communicated with a pulp discharge port on the screen body shell; a tensioning wheel for tensioning the screen is arranged below the first water receiving tray, and the tensioning wheel is in contact with the lower layer of the screen; the conveyer belt is arranged below the first winding drum and is installed on two fourth winding drums, the fourth winding drums are connected with the conveying motor, and the conveyer belt is located above the discharge port.
2. The drilling mud negative pressure screen of claim 1, wherein a filter belt is arranged below the lower layer of the screen mesh, two ends of the filter belt are respectively wound on a third winding drum, and one end of the third winding drum is connected with a filter motor; a second water pan is arranged below the filter belt and is communicated with a slurry discharge port on the screen body shell; the conveyer belt is positioned below one end of the filter belt.
3. The negative pressure drilling mud screen of claim 2, wherein the filter belt comprises a plurality of parallel rolling strips, the rolling strips are connected through a soft connecting block, the upper end and the lower end of each rolling strip are both convex arc-shaped surfaces, and the upper end and the lower end of each connecting block are both concave arc-shaped surfaces; the circumference of the third winding drum is provided with a plurality of uniformly distributed convex edges, the convex edges are embedded into the connecting blocks between the rolling strips to realize matching, and the connecting blocks are provided with a plurality of water leakage holes.
4. The negative pressure screen for drilling mud of claim 1, wherein an air knife pipe is arranged above the lower layer of the screen mesh, a strip-shaped air outlet groove is formed in the air knife pipe, one end of the air knife pipe is sealed, the other end of the air knife pipe is connected with the second negative pressure device, and the air knife pipe is fixedly arranged in the screen body shell.
5. The negative pressure drilling mud screen of claim 1, wherein the mud scraping device comprises a plurality of fixed wheels, the fixed wheels are mounted on a mud scraping shaft, the mud scraping shaft is arranged in the transmission shaft and passes through the transmission shaft, one end of the mud scraping shaft is connected with a mud scraping motor, the mud scraping shaft is connected with the inner wall of the transmission shaft through a bearing, a plurality of mud scraping blades are arranged on the fixed wheels and inserted into slots formed in the fixed wheels, and the mud scraping blades are connected with the fixed wheels through bolts.
6. The negative pressure screen for drilling mud of claim 1, wherein soft first adhesive strips are arranged on two sides of the screen, second adhesive strips are arranged on the edges of the second winding drum and the second winding drum, the first adhesive strips are adhered to the second adhesive strips, and joints at two ends of the screen are also adhered through the first adhesive strips and the second adhesive strips.
7. The negative pressure drilling mud screen of claim 1, wherein a first camera is positioned above the upper layer of the screen and a second camera is positioned above the conveyor belt.
8. The negative pressure screen for drilling mud of claim 1, wherein the screen body casing is provided with an openable observation window, a fifth winding drum is arranged beside the observation window, a screen mesh is wound on the fifth winding drum, and a handle which is convenient to open is arranged on the observation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568241.8A CN112791495A (en) | 2020-12-25 | 2020-12-25 | Drilling mud negative pressure sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568241.8A CN112791495A (en) | 2020-12-25 | 2020-12-25 | Drilling mud negative pressure sieve |
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| CN112791495A true CN112791495A (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011568241.8A Pending CN112791495A (en) | 2020-12-25 | 2020-12-25 | Drilling mud negative pressure sieve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113737759A (en) * | 2021-08-11 | 2021-12-03 | 山东科技大学 | Water surface suspension viscous liquid collecting and processing device |
| CN113750615A (en) * | 2021-08-26 | 2021-12-07 | 中煤（北京）环保工程有限公司 | Vacuum drying type filter press tool and filter pressing method thereof |
| CN114392602A (en) * | 2022-01-20 | 2022-04-26 | 四川轻化工大学 | Shale shaker for solid-liquid separation |
| CN114515463A (en) * | 2022-01-27 | 2022-05-20 | 山东省冶金设计院股份有限公司 | Automatic deslagging device for full-flow slot for gas purification and working method |
| CN115445289A (en) * | 2022-10-20 | 2022-12-09 | 山东科瑞油气装备有限公司 | Negative pressure self-cleaning screen device |
Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020088746A1 (en) * | 2001-01-05 | 2002-07-11 | Cyclone Surface Cleaning, Inc | Fluid reclamation system |
| JP2003275508A (en) * | 2002-03-22 | 2003-09-30 | Taiheiyo Cement Corp | Belt filter |
| CN2633396Y (en) * | 2003-07-17 | 2004-08-18 | 马昭东 | Press filter |
| CN2643976Y (en) * | 2003-09-12 | 2004-09-29 | 成立良 | Belt pressing filter |
| CN200960505Y (en) * | 2006-10-26 | 2007-10-17 | 韩强 | Self-cleaning vibrating sieve |
| CN101522280A (en) * | 2006-10-09 | 2009-09-02 | 莱特拉姆有限责任公司 | Water screen system with compressible boot seal |
| CN202012388U (en) * | 2011-03-01 | 2011-10-19 | 四川华英化工有限责任公司 | Negative pressure exhaust apparatus |
| CN204395598U (en) * | 2014-12-30 | 2015-06-17 | 天津市鑫泽精细化工有限责任公司 | The anti-vacuum leak device of crawler type vacuum filtration machine Patting type |
| CN204447503U (en) * | 2014-11-25 | 2015-07-08 | 湖州核宏机械有限公司 | A kind of drive mechanism of filter cloth |
| CN105392541A (en) * | 2013-06-03 | 2016-03-09 | 贝尔芬格水技术有限公司 | Continuous belt screen |
| CN205516808U (en) * | 2016-02-03 | 2016-08-31 | 吕英 | Press filter |
| CN105999812A (en) * | 2016-07-07 | 2016-10-12 | 曹健 | Garbage sorting machine |
| CN205760043U (en) * | 2016-05-19 | 2016-12-07 | 禄丰天宝磷化工有限公司 | A kind of crawler type phosphate ore pulp solid-liquid separating machine |
| CN206152461U (en) * | 2016-11-03 | 2017-05-10 | 安徽特威达水电设备有限公司 | Automatic solid -liquid separation equipment |
| CN107902339A (en) * | 2017-11-21 | 2018-04-13 | 湖州昱泰物流科技有限公司 | A kind of filter-type conveyer belt structure |
| CN207838429U (en) * | 2017-12-16 | 2018-09-11 | 连云港中海生物科技有限公司 | A kind of chondroitin sulfate alcohol hypostasis filter device |
| CN208177068U (en) * | 2018-03-31 | 2018-12-04 | 付珊珊 | A kind of environmental project equipment for separating liquid from solid |
| CN208911588U (en) * | 2018-10-12 | 2019-05-31 | 邢台江清宇环保科技有限责任公司 | A kind of full-automatic Microfilter |
| CN209092849U (en) * | 2018-11-10 | 2019-07-12 | 包头市天尔正矿山设备有限公司 | A kind of environment protection energy-saving efficient plate chain type ceramic filter |
| CN209307199U (en) * | 2018-11-09 | 2019-08-27 | 湖北华耀生物科技有限公司 | A kind of sludge crawler belt filter press |
| CN210675467U (en) * | 2019-05-08 | 2020-06-05 | 武汉百信环保能源科技有限公司 | Feeding mechanism for kitchen waste treatment |
| CN211987428U (en) * | 2020-03-30 | 2020-11-24 | 徐州云创物业服务有限公司 | Chain bucket type sand removing machine for sewage treatment |
| CN212039318U (en) * | 2020-04-29 | 2020-12-01 | 春晖(南通)环保科技有限公司 | Dewatering screen is retrieved to fine sand |
-
2020
- 2020-12-25 CN CN202011568241.8A patent/CN112791495A/en active Pending
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020088746A1 (en) * | 2001-01-05 | 2002-07-11 | Cyclone Surface Cleaning, Inc | Fluid reclamation system |
| JP2003275508A (en) * | 2002-03-22 | 2003-09-30 | Taiheiyo Cement Corp | Belt filter |
| CN2633396Y (en) * | 2003-07-17 | 2004-08-18 | 马昭东 | Press filter |
| CN2643976Y (en) * | 2003-09-12 | 2004-09-29 | 成立良 | Belt pressing filter |
| CN101522280A (en) * | 2006-10-09 | 2009-09-02 | 莱特拉姆有限责任公司 | Water screen system with compressible boot seal |
| CN200960505Y (en) * | 2006-10-26 | 2007-10-17 | 韩强 | Self-cleaning vibrating sieve |
| CN202012388U (en) * | 2011-03-01 | 2011-10-19 | 四川华英化工有限责任公司 | Negative pressure exhaust apparatus |
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