CN213950799U

CN213950799U - Sand removing device

Info

Publication number: CN213950799U
Application number: CN202023042553.3U
Authority: CN
Inventors: 张珂铭; 孙海滨
Original assignee: Shaanxi Bicheng Jiuzhou Industrial Co ltd
Current assignee: Shaanxi Bicheng Jiuzhou Industrial Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-13
Anticipated expiration: 2030-12-15

Abstract

The application relates to the field of sewage treatment, in particular to a desanding device which comprises a sewage pipe, a temporary sewage storage tank, a desanding mechanism and a sand tank, wherein the desanding mechanism comprises a support, a conveying mesh belt, a driving part and two belt wheels, the two belt wheels are arranged in parallel and are rotationally connected to the support, the conveying mesh belt is sleeved on the two belt wheels and can rotate along with the two belt wheels, the driving part is arranged on the support and can drive the two belt wheels to synchronously rotate; the outlet end of the sewage pipe is arranged above the conveying mesh belt and close to any belt wheel, the temporary sewage storage tank and the sand tank are respectively arranged below the conveying mesh belt and close to two ends of the conveying mesh belt, and the temporary sewage storage tank is arranged below the outlet end of the sewage pipe. This application has the effect of the sand-water separation of being convenient for.

Description

Sand removing device

Technical Field

The application relates to the field of sewage treatment, in particular to a sand removing device.

Background

The urban sewage mainly comprises domestic sewage, domestic wastewater, rainwater and the like, and various kinds of sewage are mixed and transported to a sewage treatment station through a sewer to be treated and realize water circulation. The sewage flows and collects the in-process, can avoid sneaking into silt particle, and the existence of silt particle can be worn and torn facilities such as pipeline, valve, pump machine, reduces the life of equipment, consequently just needs set up the degritting system in advance to handle, avoids producing influence and loss to follow-up equipment operation.

The application number is 201820730399.2's chinese patent discloses a sewage treatment degritting stone structure, include, including the inlet tube, the grit separator who meets with the inlet tube, the play water connection head that links to each other with grit separator, grit separator includes the cistern, and the cistern oral area is equipped with the screen cloth that is used for filtering the inlet tube output sewage that can reciprocate vibrations, and the screen cloth sets up the slope form that the grit rolls off for being convenient for. When sewage flowed to screen cloth department from the inlet tube, filtered liquid by the screen cloth, the grit granule was stayed on the screen cloth, and the screen cloth can reciprocating vibration simultaneously, shakes the grit granule and falls. Therefore, the sand and stone on the screen are not always remained on the screen surface and accumulated to the state of obstructing the subsequent sewage filtration in the process of continuous flowing of the sewage, so as to achieve the purpose of continuously and uninterruptedly working.

In the related art, when the inclined screen is vibrated back and forth, part of sewage slides along the screen along with sand, and the inventor thinks that the defect of incomplete sand-water separation exists.

SUMMERY OF THE UTILITY MODEL

In order to facilitate sand-water separation, the application provides a sand removal device.

The application provides a sand removing device adopts following technical scheme:

a desanding device comprises a sewage pipe, a temporary sewage storage tank, a desanding mechanism and a sand tank, wherein the desanding mechanism comprises a support, a conveying mesh belt, a driving part and two belt wheels, the two belt wheels are arranged in parallel and are both rotatably connected to the support, the conveying mesh belt is sleeved on the two belt wheels and can rotate along with the two belt wheels, and the driving part is arranged on the support and can drive the two belt wheels to synchronously rotate; the outlet end of the sewage pipe is arranged above the conveying mesh belt and close to any belt wheel, the temporary sewage storage tank and the sand tank are respectively arranged below the conveying mesh belt and close to two ends of the conveying mesh belt, and the temporary sewage storage tank is arranged below the outlet end of the sewage pipe.

By adopting the technical scheme, when sewage is desanded, the adjusting driving part is opened, so that the two belt wheels synchronously rotate and simultaneously drive the conveying net belt to rotate; sewage flows out from the outlet end of the sewage pipe and falls on the conveying mesh belt under the action of gravity, the sewage with the grain size smaller than that of the conveying mesh belt continues to fall under the action of gravity until the sewage falls into a temporary sewage storage tank, sand grains with the large grain size of the conveying mesh belt fall on the conveying mesh belt and gradually move towards the direction far away from the sewage pipe along with the conveying mesh belt until the sewage moves to a belt wheel at one end of the conveying mesh belt far away from the sewage pipe, and the sewage is thrown out of the conveying mesh belt under the action of rotating inertia and falls into a sand tank, so that the sand removing operation of the sewage is completed; the sewage pipe, the temporary sewage storage tank, the sand removing mechanism and the sand tank are arranged, so that sand grains in sewage can be separated from water and are respectively stored and treated in a centralized manner, and the sand grains are conveniently recycled in the centralized manner; the sand-water separation device comprises a support, a conveying mesh belt, a driving part and two belt wheels, wherein the conveying mesh belt is used for separating sand from water through a screen, sand is conveyed to a position far away from sewage through a conveying belt, the time for filtering water can be prolonged during conveying, the effect and the efficiency of filtering water are convenient to improve, and the sand-water separation is convenient.

Optionally, the conveying mesh belt is obliquely arranged, and one end of the belt wheel close to the temporary sewage storage tank is arranged along a vertical height lower than the other end of the belt wheel.

Through adopting above-mentioned technical scheme, under the action of gravity, sewage whereabouts, and the sand grain overcomes gravity and moves along with conveying mesh belt under the effect of friction, reduces the sewage that stays on conveying mesh belt, strengthens sewage separation's effect.

Optionally, two baffles are arranged on the support and on two sides of the conveying mesh belt.

Through adopting above-mentioned technical scheme, the baffle that sets up reduces the sewage that splashes all around when sewage falls on conveying mesh belt, avoids sewage to fall outside conveying mesh belt, the polluted environment.

Optionally, the width of the mesh belt is larger than the diameter of the sewer pipe.

By adopting the technical scheme, sewage in the sewage pipe can completely fall on the conveying mesh belt, the maximum water yield of the sewage pipe can be adapted, and the applicability of the conveying mesh belt is improved.

Optionally, the sand groove roof is kept away from sewage pipe one side is provided with connects the material net, connect the slope of material net to set up, connect material net one end to set up on the sand groove, the other end is followed conveying guipure length direction keeps away from the sand groove sets up, and along vertical height with conveying guipure top keeps level.

By adopting the technical scheme, sewage is thrown out of the conveying mesh belt under the action of rotating inertia and moves along a parabolic track until the sewage falls on the inclined material receiving mesh, residual sewage passes through the material receiving mesh to be filtered out, sand grains are left on the material receiving mesh and fall into a sand tank along the material receiving mesh under the action of gravity; the material net that connects that sets up can carry out secondary filter to the sand grain, carries out sand-water separation once more, is convenient for improve sand-water separation's effect.

Optionally, the desanding mechanism further comprises a scraper, the scraper is arranged on one side, close to the sewage pipe, of the top wall of the sand tank, and one end, far away from the sand tank, of the scraper is abutted against the bottom end of the conveying mesh belt.

Through adopting above-mentioned technical scheme, the scraper blade of setting can strike off the sand grain of staying on the conveying mesh belt, is convenient for clear up the conveying mesh belt, and the collection of the sand grain of being convenient for simultaneously avoids sand grain and sewage to mix once more.

Optionally, the top wall of the temporary sewage storage tank is close to one side of the sand tank, a chute is arranged on one side of the sand tank, one end of the temporary sewage storage tank is arranged on the side wall of the scraper far away from one side of the sand tank, and the chute is far away from one end of the temporary sewage storage tank.

Through adopting above-mentioned technical scheme, the chute that sets up can collect the sewage that conveying mesh belt flowed down at the conveying sand grain in-process, avoids sewage to fall subaerially, causes environmental pollution.

Optionally, the chute slope sets up, just the chute is close to scraper blade one end is higher than and is close to groove one end setting is kept in to sewage.

Through adopting above-mentioned technical scheme, the sewage of being convenient for falls into the sewage groove of keeping in for keep unobstructed at any time in the chute, the concentrated collection of the sewage of being convenient for is handled.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sewage pipe, the temporary sewage storage tank, the sand removing mechanism and the sand tank are arranged, so that sand grains in sewage can be separated from water and are respectively stored and treated in a centralized manner, and the sand grains are conveniently recycled in the centralized manner; the sand-water separation device comprises a support, a conveying mesh belt, a driving part and two belt wheels, wherein the conveying mesh belt is used for separating sand from water through a screen, sand is conveyed to a position far away from sewage through a conveying belt, and during the conveying process, the water filtering time can be prolonged, so that the water filtering effect and efficiency are improved, and the sand-water separation is facilitated;

2. the conveying mesh belt is obliquely arranged, sewage falls under the action of gravity, sand grains overcome the gravity and move along with the conveying mesh belt under the action of friction force, the sewage remained on the conveying mesh belt is reduced, and the sewage separation effect is enhanced;

3. the material net that connects that sets up can carry out secondary filter to the sand grain, carries out sand-water separation once more, is convenient for improve sand-water separation's effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a sand removing device according to an embodiment of the present application.

Fig. 2 is a schematic view of the inside of the sewage temporarily storage tank and the sand tank in fig. 1.

Description of reference numerals: 1. a sewage pipe; 2. a temporary sewage storage tank; 3. a sand removing mechanism; 31. a support; 311. a support pillar; 312. a cross bar; 32. a baffle plate; 33. a sand baffle plate; 34. a conveyor belt; 35. a drive section; 351. a servo motor; 352. a gear; 353. a toothed chain; 36. a pulley; 37. a material receiving net; 38. a water storage tank; 39. a squeegee; 4. a sand tank; 5. a chute.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses sand removing device. Referring to fig. 1, the desanding device includes sewage pipe 1, sewage groove 2 that keeps in, desanding mechanism 3 and sand tank 4, desanding mechanism 3 includes to filter, connects the material piece and scrapes the material piece, sewage groove 2 and sand tank 4 that keep in set up respectively at filtering a both ends, and sewage pipe 1 sets up in the top of filtering piece and sewage groove 2 that keeps in, and sewage pipe 1 axial with filter length direction syntropy setting, connect the material piece and scrape the material piece and all set up on sand tank 4.

Referring to fig. 1 and 2, the filter element comprises a support 31, a baffle 32, a sand baffle 33, a conveyer belt 34, a driving part 35 and two belt wheels 36, the support 31 comprises a support column 311 and two cross bars 312 welded on the support column 311 in parallel, the support column 311 is fixed on the ground through expansion bolts, the cross bars 312 are obliquely arranged, and one end of the cross bar 312 close to the sand groove 4 is higher than the other end. The two pulleys 36 are disposed in parallel, the axial direction of the pulleys 36 is perpendicular to the length direction of the cross bar 312, and the two pulleys 36 are rotatably connected between the two cross bars 312 through bearings and disposed near two ends of the cross bar 312 respectively. The mesh belt conveyor 34 is sleeved on the two belt pulleys 36 and can rotate along with the two belt pulleys 36, and the width of the mesh belt conveyor 34 is larger than the diameter of the sewage pipe 1. The driving portion 35 includes a servo motor 351, a gear 352 and a toothed chain 353, a motor frame is welded on the cross rod 312, the servo motor 351 is fixed on the motor frame through a bolt, an output shaft of the servo motor 351 and any one of the belt pulleys 36 penetrate through one end of the cross rod 312 for coaxial welding, the gear 352 is provided with two gears, the two gears 36 penetrate through the cross rod 312 respectively for coaxial welding, and the toothed chain 353 is sleeved on the two gears 352 and is meshed with the two gears 352. The baffle 32 is provided with two, and two baffles 32 weld respectively on two horizontal poles 312 along length direction, and baffle 32 is higher than conveyer belt 34 topmost along vertical height and sets up, keeps off sand board 33 and welds between two horizontal poles 312, and keeps off sand board 33 and sets up in conveyer belt 34 one side of keeping away from sand groove 4 at length direction.

Referring to fig. 1 and 2, the material receiving member includes a material receiving net 37 and a water storage tank 38, the sand tank 4 is placed on the ground below the belt wheel 36, one end of the material receiving net 37 is welded on the top wall of one side of the sand tank 4 far away from the sewage pipe 1, the other end of the material receiving net 37 is arranged far away from the sand tank 4 along the length direction of the cross bar 312, the material receiving net 37 is arranged obliquely, and one end of the material receiving net 37 far away from the sand tank 4 is level with the top end of the conveying mesh belt 34 along the vertical height. The water storage tank 38 is welded below the receiving net 37, and the side wall of the water storage tank 38 is welded on the sand tank 4.

Referring to fig. 2, the scraper member comprises a scraper 39, one end of the scraper 39 is welded on the top wall of the sand tank 4 on the side close to the sewage pipe 1, and the other end is abutted against the bottom end of the conveyor belt 34.

Referring to fig. 1 and 2, the outlet end of the sewage pipe 1 is disposed above the conveyor belt 34, and the sewage temporary storage tank 2 is disposed on the ground below the conveyor belt 34. The welding has chute 5 on the roof of sewage groove 2 of keeping in near sand groove 4 one side, and chute 5 keeps away from 2 one end welding of sewage groove of keeping in on the lateral wall of scraper blade 39 keeping away from 4 inner chamber one sides of sand groove, and the slope of chute 5 sets up, and chute 5 is higher than being close to 2 one ends of sewage groove of keeping in near scraper blade 39 one end.

The implementation principle of the desanding device in the embodiment of the application is as follows:

when the sewage is desanded, the servo motor 351 is adjusted to be opened, so that the output shaft of the servo motor 351 drives the rotating shaft of the belt wheel 36 and the gear 352 on the shaft to rotate, and simultaneously the gear 352 drives the toothed chain 353 meshed with the gear 352, the belt wheel 36 on the other gear 352 and the rotating shaft thereof to rotate, so that the two belt wheels 36 synchronously rotate and simultaneously drive the conveying net belt 34 to rotate. The sewage flows out from the outlet end of the sewage pipe 1 and falls on the conveying mesh belt 34 under the action of gravity, the sewage with the grain size smaller than that of the conveying mesh belt 34 continues to fall under the action of gravity until the sewage falls into the temporary sewage storage tank 2, the sand grains with the grain size larger than that of the conveying mesh belt 34 fall on the conveying mesh belt 34, the sand grains move along the conveying mesh belt towards the direction far away from the sewage pipe 1 under the action of friction force, and in the process that the sand grains move along the conveying mesh belt 34, the sewage on the sand grains continues to fall and fall on the chute 5 and slide along the chute 5 to fall in the temporary sewage storage tank 2 for temporary storage until the sand grains move to a belt pulley 36 at one end of the conveying mesh belt 34 far away from the sewage pipe 1; the sewage is thrown out of the conveying mesh belt 34 under the action of rotating inertia and moves along a parabolic track until the sewage falls on the inclined material receiving mesh 37, the residual sewage passes through the material receiving mesh 37 and falls into a water storage tank 38, sand grains are remained on the material receiving mesh 37 and fall into the sand tank 4 along the material receiving mesh 37 under the action of gravity, and the sand removal of the sewage is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a sand removing device which characterized in that: the sewage treatment device comprises a sewage pipe (1), a sewage temporary storage tank (2), a desanding mechanism (3) and a sand tank (4), wherein the desanding mechanism (3) comprises a support (31), a conveying mesh belt (34), a driving part (35) and two belt wheels (36), the two belt wheels (36) are arranged in parallel and are rotationally connected to the support (31), the conveying mesh belt (34) is sleeved on the two belt wheels (36) and can rotate along with the two belt wheels (36), and the driving part (35) is arranged on the support (31) and can drive the two belt wheels (36) to synchronously rotate; the outlet end of the sewage pipe (1) is arranged above the conveying mesh belt (34) and close to any belt wheel (36), the sewage temporary storage tank (2) and the sand tank (4) are respectively arranged below the conveying mesh belt (34) and close to two ends respectively, and the sewage temporary storage tank (2) is arranged below the outlet end of the sewage pipe (1).

2. A desanding apparatus as claimed in claim 1, in which: the conveying mesh belt (34) is obliquely arranged, and one end of the belt wheel (36) close to the sewage temporary storage tank (2) is arranged along the vertical height and is lower than the other end.

3. A desanding apparatus as claimed in claim 1, in which: two baffles (32) are arranged on the bracket (31) and on two sides of the conveying mesh belt (34).

4. A desanding apparatus as claimed in claim 1, in which: the width of the conveying net belt (34) is larger than the diameter of the sewage pipe (1).

5. A desanding apparatus as claimed in claim 1, in which: sand pit (4) roof is kept away from sewage pipe (1) one side is provided with connects material net (37), connect material net (37) slope to set up, connect material net (37) one end to set up on sand pit (4), the other end is followed conveying mesh belt (34) length direction keeps away from sand pit (4) set up, and follow vertical height on with conveying mesh belt (34) top keeps level.

6. A desanding apparatus as claimed in claim 1, in which: the sand removing mechanism (3) further comprises a scraper (39), the scraper (39) is arranged on one side, close to the sewage pipe (1), of the top wall of the sand tank (4), and one end, far away from the sand tank (4), of the scraper (39) is abutted to the bottom end of the conveying mesh belt (34).

7. A desanding device as claimed in claim 6, in which: the top wall of the temporary sewage storage tank (2) is close to the chute (5) arranged on one side of the sand tank (4), one end of the temporary sewage storage tank (2) is arranged on the side wall of the scraper (39) far away from one side of the sand tank (4) and is kept away from the chute (5).

8. A desanding device as claimed in claim 7, in which: chute (5) slope sets up, just chute (5) are close to scraper blade (39) one end is higher than being close to groove (2) one end setting is kept in to sewage.