CN111544956B - Sand-water separation device of sewage pump station - Google Patents
Sand-water separation device of sewage pump station Download PDFInfo
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- CN111544956B CN111544956B CN202010409212.0A CN202010409212A CN111544956B CN 111544956 B CN111544956 B CN 111544956B CN 202010409212 A CN202010409212 A CN 202010409212A CN 111544956 B CN111544956 B CN 111544956B
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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Abstract
The invention discloses a sand-water separation device of a sewage pump station, relates to the field of sand-water separation devices, solves the problem that the separation effect of the sand-water separation device in the prior art is not ideal, and has the technical key points that: the sand scraping device comprises a shell, wherein a liner with a precipitation function is arranged in the shell, an overflow pipe with an overflow effect is arranged in the middle of the liner, the overflow pipe penetrates through the shell and the liner, a filter screen for filtering sand and stone is arranged at the upper port part of the liner, a sand scraping block for scraping sand and stone off the filter screen is arranged on the filter screen, the sand scraping block is arranged in the shell through a sand scraping block driving unit, and the sand scraping block driving unit drives the sand scraping block to reciprocate on the filter screen; a guide plate for guiding water falling from the filter screen to the inner wall of the inner container is also arranged in the inner container; the invention separates the sand and stone twice by filtering and depositing, which reduces the water attached to the sand and stone and improves the sand and stone separating effect.
Description
Technical Field
The invention relates to the field of sand-water separation devices, in particular to a sand-water separation device for a sewage pump station.
Background
At present, in the sewage treatment process of a sewage plant, solid particles in sludge slurry need to be separated from gravel during sewage pretreatment, and a sand-water separator in sewage treatment is used for separating sand from water in the water inlet process, so that the impact of the sand on a biochemical system is reduced.
Chinese patent publication No. CN208599235U discloses a two-stage sand-water separator, which comprises a mixing tank, a settling hopper and a spiral sand-water separator, wherein the top end of the settling hopper is communicated with the mixing tank, and the bottom end of the settling hopper is communicated with the spiral sand-water separator; a slurry inlet pipe is arranged on one side of the mixing tank, and a water outlet pipe is arranged at the top of the mixing tank; a spiral shaft is arranged in the spiral sand-water separator, and a spiral blade is arranged on the spiral shaft; one end of the spiral sand-water separator, which is connected with the sedimentation hopper, is a feeding end, the other end of the spiral sand-water separator is a discharging end, the discharging end of the spiral sand-water separator is connected with a driving motor, and the driving motor is in transmission connection with the spiral shaft; the discharge end of the spiral sand-water separator is provided with a sand outlet, and the feed end of the spiral sand-water separator is provided with a water outlet. According to the two-stage sand-water separator, sludge slurry is subjected to twice sand-water separation through the mixing tank and the spiral sand-water separation, separated sand can be effectively recycled, and the two-stage sand-water separator is high in separation efficiency and convenient to install. However, when the device is used for separating sand water, a large amount of water is mixed when sand is taken out by the spiral shaft, and if holes are formed in the spiral blades, water leaks into the settling hopper, sand with small particles cannot be separated, so that the separation effect is not ideal.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a sand-water separation device for a sewage pump station, which comprises a shell, wherein an inner container with a precipitation function is arranged in the shell, an overflow pipe with an overflow function is arranged in the middle of the inner container, the overflow pipe penetrates through the shell and the inner container, a filter screen for filtering sand and stone is arranged at the upper port part of the inner container, a sand scraping block for scraping sand and stone off the filter screen is arranged on the filter screen, the sand scraping block is arranged in the shell through a sand scraping block driving unit, and the sand scraping block driving unit drives the sand scraping block to reciprocate on the filter screen; the inner container is also internally provided with a guide plate for guiding water falling from the filter screen to the inner wall of the inner container, so as to solve the problem that the separation effect of the sand-water separation device in the prior art is not ideal.
In order to achieve the purpose, the invention provides the following technical scheme:
a sand-water separation device of a sewage pump station comprises a shell, wherein an inner container with a precipitation function is arranged in the shell, an overflow pipe with an overflow effect is arranged in the middle of the inner container, the overflow pipe penetrates through the shell and the inner container, a filter screen for filtering sand and stone is arranged at the upper port part of the inner container, a scraping block for scraping the sand and stone off the filter screen is arranged on the filter screen, the scraping block is arranged in the shell through a scraping block driving unit, and the scraping block driving unit drives the scraping block to reciprocate on the filter screen; a guide plate for guiding the water falling from the filter screen to the inner wall of the inner container is also arranged in the inner container.
As a further scheme of the invention, the shell is cylindrical, the bottom of the shell is obliquely arranged, and the lowest point of the bottom of the shell is provided with a first slag outlet.
As a further scheme of the invention, the bottom of the inner container is also provided with a second slag outlet which is in a circular cylinder shape and penetrates through the bottom of the shell, and the second slag outlet is provided with a slag valve at the bottom of the shell, wherein the slag valve is in a normally closed state.
As a further scheme of the invention, the side wall of the inner container is also provided with a sediment observation tube, the sediment observation tube is communicated with the inner container, one end of the sediment observation tube, which is far away from the inner container, penetrates through the side wall of the shell and is arranged on the outer side of the shell, the sediment observation tube is a transparent tube, the sediment observation tube is arranged below the overflow tube, and one end of the sediment observation tube, which is far away from the inner container, is provided with a sealing cover.
As a further scheme of the invention, the filter screen is an arc filter screen, the sand scraping block is a strip block, and one end of the sand scraping block, which is in contact with the filter screen, is an arc surface.
As a further scheme of the invention, the sand scraping block driving unit is provided with a driving motor at the top of the shell, an output shaft of the driving motor penetrates through the top, the output shaft of the driving motor is fixedly connected with a crank, two ends of the crank are respectively provided with a first connecting column and a second connecting column, the first connecting column and the second connecting column are respectively arranged at two sides of the crank, the first connecting column is fixedly connected to the output shaft of the driving motor, the second connecting column is connected with the driving block, the driving block is provided with a square groove, the second connecting column is arranged in the square groove, a fixed pipe is fixedly connected below the driving block, the outer side of the fixed pipe is provided with a sliding block, the sliding block is provided with a mounting hole and a guide hole for mounting the fixed pipe, the axes of the mounting hole and the guide hole are vertically arranged, a guide rod is arranged in the guide hole, two ends of the guide, the telescopic link is the round bar, and the telescopic link can slide in fixed intraductal, and the one end fixed connection that fixed pipe was kept away from to the telescopic link scrapes on the sand piece.
As a further proposal of the invention, springs are arranged on the fixed tube and the telescopic rod.
As a further scheme of the invention, the filter screen is mounted on the inner container through the filter screen mounting frame, the filter screen mounting frame is in a cylindrical shape with openings at two ends, the filter screen mounting frame is provided with the filter screen mounting plate at one end far away from the inner container, the filter screen mounting plate is an arc-shaped plate, the filter screen mounting plate is provided with through holes with the same shape as the inner wall of the filter screen mounting frame, the side wall of the filter screen mounting frame is also provided with waist-shaped holes, the side wall of the inner container is provided with fastening screws, the filter screen mounting frame is fixed on the outer wall of the inner container through the.
In conclusion, compared with the prior art, the invention has the following beneficial effects:
the invention separates the sand and stone twice by filtering and depositing, which reduces the water attached to the sand and stone and improves the sand and stone separating effect.
Drawings
FIG. 1 is a schematic structural diagram of a sand-water separation device of a sewage pumping station.
Fig. 2 is a schematic structural diagram of a crank in the sand-water separation device of the sewage pumping station.
Fig. 3 is a schematic structural diagram of a driving block in the sand-water separation device of the sewage pumping station.
FIG. 4 is a schematic structural diagram of a sand scraping block in a sand-water separation device of a sewage pumping station.
FIG. 5 is a schematic structural diagram of a slide block in the sand-water separation device of the sewage pumping station.
Fig. 6 is a schematic structural diagram of a screen frame in the sand-water separation device of the sewage pumping station.
Reference numerals: 1-shell, 11-first slag hole, 12-supporting foot, 13-bottom support, 14-side support, 2-inner container, 21-second slag hole, 22-sediment observation tube, 23-guide plate, 3-water inlet tube, 4-slag valve, 41-valve tube, 42-piston, 43-hand wheel, 44-slag outlet tube, 5-overflow tube, 6-filter screen, 7-sand scraping block, 8-sand scraping block driving unit, 81-driving motor, 82-crank, 83-driving block, 84-slide block, 85-fixing tube, 86-telescopic rod, 87-spring, 9-filter screen mounting rack and 91-filter screen mounting board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the sand-water separation device for the sewage pumping station comprises a shell 1, wherein an inner container 2 with a precipitation function is arranged in the shell 1, an overflow pipe 5 with an overflow function is arranged in the middle of the inner container 2, the overflow pipe 5 penetrates through the shell 1 and the inner container 2, a filter screen 6 for filtering sand and stone is arranged at the upper port part of the inner container 2, a sand scraping block 7 for scraping sand and stone off the filter screen 6 is arranged on the filter screen 6, the sand scraping block 7 is installed in the shell 1 through a sand scraping block driving unit 8, and the sand scraping block driving unit 8 drives the sand scraping block 7 to reciprocate on the filter screen 6; a guide plate 23 which guides water falling from the filter screen 6 to the inner wall of the inner container 2 is also arranged in the inner container 2;
the shell 1 is cylindrical, the bottom of the shell 1 is obliquely arranged, a first slag outlet 11 is formed in the lowest point of the bottom of the shell 1, the first slag outlet 11 is used for discharging sand and stones in the shell 1, supporting legs 12 are further arranged on the outer side of the bottom of the shell 1, and the supporting legs 12 are used for supporting the shell 1;
the inner container 2 is fixedly connected into the shell 1 through the bottom support 13 and the side support 14, the bottom support 13 and the side support 14 are round rods, sand can be prevented from being blocked by the bottom support 13 and the side support 14 due to the round rod structures, the bottom support 13 is fixedly connected to the inner wall of the shell 1 and the outer side of the inner container 2, and the side support 14 is fixedly connected to the bottoms of the shell 1 and the inner container 2;
the bottom of the inner container 2 is also provided with a second slag outlet 21, the second slag outlet 21 is in a circular cylinder shape, the second slag outlet 21 penetrates through the bottom of the shell 1, the second slag outlet 21 is provided with a slag valve 4 at the bottom of the shell 1, the slag valve 4 is in a normally closed state, the second slag outlet 21 is used for discharging sediments in the inner container 2, the guide plate 23 is in a spherical structure, the guide plate 23 is fixedly connected to the inner wall of the inner container 2, the guide plate 23 is arranged above the overflow pipe 5, gaps are formed between the guide plate 23 and the inner wall of the inner container 2, water falling from the filter screen 6 falls onto the guide plate 23 and then flows into the inner container 2 from the gap between the guide plate 23 and the inner wall of the inner container 2, and as sewage flows in from the inner wall of the inner container 2, the sewage 2 cannot stir the water in the inner container 2, so that the sediments are;
preferably, the side wall of the inner container 2 is further provided with a sediment observation tube 22, the sediment observation tube 22 is communicated with the inside of the inner container 2, one end, far away from the inner container 2, of the sediment observation tube 22 penetrates through the side wall of the shell 1 and is arranged on the outer side of the shell 1, the sediment observation tube 22 is a transparent tube, and when sediment in the sediment observation tube 22 is accumulated, the sediment enters the sediment observation tube 22, so that a worker can be reminded to discharge the sediment in the inner container 2; the sediment observation tube 22 is arranged below the overflow tube 5; a sealing cover is arranged at one end of the sediment observation tube 22 far away from the inner container 2 and is used for preventing the sediment in the inner container 2 from flowing out and intermittently discharging the sediment in the inner container 2;
the water inlet pipe 3 is arranged above the filter screen 6, sewage containing sand and stone discharged by the water inlet pipe 3 falls onto the filter screen 6, and primary separation is completed on the filter screen 6;
the slag discharging valve 4 comprises a valve pipe 41 and a piston 42, the valve pipe 41 is in a cylindrical shape with an opening at one end, an internal thread is arranged at the opening of the valve pipe 41, an external thread is arranged on the second slag outlet 21, the second slag outlet 21 is connected with the valve pipe 41 through the thread, a slag discharging pipe 44 is arranged on the side edge of the valve pipe 41, the slag discharging pipe 44 is communicated with the inner wall of the valve pipe 41, and the slag discharging pipe 44 is used for discharging sediment and connecting a sediment collecting device; the piston 42 is of a step structure, a threaded rod is arranged on the piston 42 and is in threaded connection with the closed end of the valve pipe 41, a hand wheel 43 is arranged at one end, far away from the piston 42, of the threaded rod, and when the hand wheel 43 is rotated, the piston 42 is separated from the opening of the second slag outlet 21, so that the slag outlet pipe 44 is communicated with the inner container 2;
one end of the overflow pipe 5 arranged in the inner container 2 is a bent pipe, and the opening part of the overflow pipe 5 is opposite to the bottom of the inner container 2;
the filter screen 6 is an arc filter screen, and the filter screen 6 is fixedly connected to the inner container 2;
as shown in fig. 4, the scraping block 7 is a bar-shaped block, and one end of the scraping block 7, which is in contact with the filter screen 6, is an arc-shaped surface;
the sand scraping block driving unit 8 is provided with a driving motor 81 at the top of the housing 1, an output shaft of the driving motor 81 penetrates through the top of the housing 1, and an output shaft of the driving motor 81 is fixedly connected with a crank 82, as shown in fig. 2, the crank 82 is a square strip, two ends of the crank 82 are respectively provided with a first connecting column and a second connecting column, the first connecting column and the second connecting column are respectively arranged at two sides of the crank 82, the first connecting column is fixedly connected to the output shaft of the driving motor 81, the second connecting column is connected with a driving block 83, as shown in fig. 3, the driving block 83 is a square block, the driving block 83 is provided with a square groove, the second connecting column is arranged in the square groove, a fixing pipe 85 is fixedly connected below the driving block 83, the fixing pipe 85 is in a cylindrical shape with an opening at one end, a sliding block 84 is arranged at the outer side of the fixing pipe 85, as shown in fig. 5, the sliding block 84, the axes of the installation hole and the guide hole are vertically arranged, a guide rod is arranged in the guide hole, two ends of the guide rod are fixedly connected to the inner wall of the shell 1, an expansion rod 86 is arranged in the fixed pipe 85, the expansion rod 86 is a round rod, the expansion rod 86 can slide in the fixed pipe 85, and one end, far away from the fixed pipe 85, of the expansion rod 86 is fixedly connected to the sand scraping block 7; when the driving motor 81 rotates, the driving motor 81 drives the crank 82 to rotate, the crank 82 drives the driving block 83 to slide on the guide rod, and the driving block 83 drives the sand scraping block 7 to slide on the filter screen 6, so that sand on the filter screen 6 is scraped;
preferably, the fixed tube 85 and the telescopic rod 86 are further provided with a spring 87, and the spring 87 can press the sand scraping block 7 to be attached to the filter screen 6, so that sand is prevented from being mixed in front of the filter screen 6 and the sand scraping block 7.
Example 2
As shown in fig. 1, the sand-water separation device for the sewage pumping station comprises a shell 1, wherein an inner container 2 with a precipitation function is arranged in the shell 1, an overflow pipe 5 with an overflow function is arranged in the middle of the inner container 2, the overflow pipe 5 penetrates through the shell 1 and the inner container 2, a filter screen 6 for filtering sand and stone is arranged at the upper port part of the inner container 2, a sand scraping block 7 for scraping sand and stone off the filter screen 6 is arranged on the filter screen 6, the sand scraping block 7 is installed in the shell 1 through a sand scraping block driving unit 8, and the sand scraping block driving unit 8 drives the sand scraping block 7 to reciprocate on the filter screen 6; a guide plate 23 which guides water falling from the filter screen 6 to the inner wall of the inner container 2 is also arranged in the inner container 2;
preferably, in this embodiment, the filter screen 6 is mounted on the inner container 2 through the filter screen mounting bracket 9, as shown in fig. 6, the filter screen mounting bracket 9 is a cylinder with openings at both ends, the filter screen mounting bracket 9 is provided with a filter screen mounting plate 91 at one end away from the inner container 2, the filter screen mounting plate 91 is an arc-shaped plate, the filter screen mounting plate 91 is provided with a through hole having the same shape as the inner wall of the filter screen mounting bracket 9, the side wall of the filter screen mounting bracket 9 is further provided with a kidney-shaped hole, the side wall of the inner container 2 is provided with a fastening screw, the filter screen mounting bracket 9 is fixed on the outer wall of the inner container 2 through the fastening screw, so as to facilitate replacement of the filter screen 6, the side wall of the housing 1 is provided with a maintenance door, the filter screen 6 is fixedly connected with the filter screen mounting plate 91 through the screw, when, lifting the filter screen 6 to enable the filter screen 6 to be attached to the sand scraping block 7;
other structures in this embodiment are the same as those in embodiment 1.
In summary, the working principle of the invention is as follows:
sewage flows onto the filter screen 6 from the water inlet pipe 3, primary sand-water separation is completed on the filter screen 6, gravels with larger particles are left on the filter screen 6, gravels with smaller particles and sewage flow into the inner container 2, and the gravels with smaller particles are precipitated in the inner container 2, when water in the inner container 2 is accumulated, clean water on the upper layer flows out from the overflow pipe 5, gravels with smaller particles are left at the bottom of the inner container 2 and intermittently discharged from the second slag outlet 21, the sand scraping block 7 reciprocates on the filter screen 6, the gravels on the filter screen 6 can be scraped off by the sand scraping block 7, and the scraped gravels are discharged from the first slag outlet 11;
the invention separates the sand and stone twice by filtering and depositing, which reduces the water attached to the sand and stone and improves the sand and stone separating effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A sand-water separation device of a sewage pump station comprises a shell (1), wherein a liner (2) with a precipitation function is arranged in the shell (1), an overflow pipe (5) with an overflow function is arranged in the middle of the liner (2), the overflow pipe (5) penetrates through the shell (1) and the liner (2), a filter screen (6) for filtering sand and stone is arranged at the upper end opening of the liner (2), a sand scraping block (7) for scraping sand and stone off the filter screen (6) is arranged on the filter screen (6), the sand scraping block (7) is installed in the shell (1) through a sand scraping block driving unit (8), and the sand scraping block driving unit (8) drives the sand scraping block (7) to reciprocate on the filter screen (6); it is characterized in that a guide plate (23) which guides water falling from the filter screen (6) to the inner wall of the inner container (2) is also arranged in the inner container (2); the filter screen (6) is an arc filter screen, the sand scraping block (7) is a strip-shaped block, and one end of the sand scraping block (7) which is in contact with the filter screen (6) is an arc surface;
the sand scraping block driving unit (8) is provided with a driving motor (81) at the top of a shell (1), an output shaft of the driving motor (81) penetrates through the top of the shell (1), an output shaft of the driving motor (81) is fixedly connected with a crank (82), two ends of the crank (82) are respectively provided with a first connecting column and a second connecting column, the first connecting column and the second connecting column are respectively arranged at two sides of the crank (82), the first connecting column is fixedly connected to the output shaft of the driving motor (81), the second connecting column is connected with a driving block (83), a square groove is arranged on the driving block (83), the second connecting column is arranged in the square groove, a fixed pipe (85) is fixedly connected to the lower part of the driving block (83), a sliding block (84) is arranged on the outer side of the fixed pipe (85), a mounting hole and a guide hole for mounting the fixed pipe (85) are arranged on the sliding block (84), and the axes of the mounting, a guide rod is arranged in the guide hole, two ends of the guide rod are fixedly connected to the inner wall of the shell (1), an expansion rod (86) is arranged in the fixed pipe (85), the expansion rod (86) is a round rod, the expansion rod (86) can slide in the fixed pipe (85), and one end, far away from the fixed pipe (85), of the expansion rod (86) is fixedly connected to the sand scraping block (7); springs (87) are also arranged on the fixed tube (85) and the telescopic rod (86).
2. The sand-water separation device of the sewage pumping station according to the claim 1, characterized in that the outer shell (1) is cylindrical, the bottom of the outer shell (1) is inclined, and the lowest point of the bottom of the outer shell (1) is provided with a first slag outlet (11).
3. The sand-water separation device of the sewage pump station according to claim 1, wherein a second slag hole (21) is further formed in the bottom of the inner container (2), the second slag hole (21) is in a circular cylindrical shape, the second slag hole (21) penetrates through the bottom of the outer shell (1), a slag valve (4) is arranged at the bottom of the outer shell (1) of the second slag hole (21), and the slag valve (4) is in a normally closed state.
4. The sand-water separation device of the sewage pump station according to claim 3, wherein a sediment observation tube (22) is further disposed on the side wall of the inner container (2), the sediment observation tube (22) is communicated with the inside of the inner container (2), one end of the sediment observation tube (22), which is far away from the inner container (2), penetrates through the side wall of the housing (1) and is disposed on the outer side of the housing (1), the sediment observation tube (22) is a transparent tube, the sediment observation tube (22) is disposed below the overflow tube (5), and a sealing cover is disposed at one end of the sediment observation tube (22), which is far away from the inner container (2).
5. The sand-water separation device of the sewage pump station according to claim 1, wherein the filter screen (6) is mounted on the inner container (2) through a filter screen mounting frame (9), the filter screen mounting frame (9) is in a cylindrical shape with openings at two ends, a filter screen mounting plate (91) is arranged at one end of the filter screen mounting frame (9) far away from the inner container (2), the filter screen mounting plate (91) is an arc-shaped plate, through holes with the same shape as the inner wall of the filter screen mounting frame (9) are formed in the filter screen mounting plate (91), waist-shaped holes are further formed in the side wall of the filter screen mounting frame (9), fastening screws are arranged on the side wall of the inner container (2), the filter screen mounting frame (9) is fixed on the outer wall of the inner container (2) through the fastening screws, and the filter screen (6) is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010409212.0A CN111544956B (en) | 2020-05-14 | 2020-05-14 | Sand-water separation device of sewage pump station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010409212.0A CN111544956B (en) | 2020-05-14 | 2020-05-14 | Sand-water separation device of sewage pump station |
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| CN111544956A CN111544956A (en) | 2020-08-18 |
| CN111544956B true CN111544956B (en) | 2020-11-27 |
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| CN202010409212.0A Active CN111544956B (en) | 2020-05-14 | 2020-05-14 | Sand-water separation device of sewage pump station |
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| CN112538733B (en) * | 2020-12-01 | 2022-11-01 | 宁波金帅集团有限公司 | Inlet water filtering mechanism and double-drum washing machine |
| CN112553842B (en) * | 2020-12-01 | 2023-06-23 | 长沙市文良洗涤服务有限公司 | Water inlet filter device and washing machine |
| CN113842697B (en) * | 2021-09-10 | 2023-04-18 | 江苏京川水设备有限公司 | Sand-water separation device for pretreatment of sewage pumping station |
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| US8741133B2 (en) * | 2009-01-05 | 2014-06-03 | Abanaki Corporation | Appratus for hydrocarbon removal |
| CN205627332U (en) * | 2016-04-08 | 2016-10-12 | 高深 | Waste liquid treatment device of live pig plant |
| CN107470143A (en) * | 2017-08-31 | 2017-12-15 | 李小强 | A kind of construction screens cleaning device with sandstone |
| CN107670397B (en) * | 2017-11-20 | 2023-09-29 | 广州励美环保科技有限公司 | Sewage treatment device |
| CN110270403A (en) * | 2019-06-24 | 2019-09-24 | 蒙正欢 | A kind of portable type flour mill with dredging function for ore dressing |
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