CN210145562U

CN210145562U - Sludge settling tank

Info

Publication number: CN210145562U
Application number: CN201920905879.2U
Authority: CN
Inventors: 黄志龙; 董斌; 徐军; 华连进; 董林海; 徐洁
Original assignee: Hangzhou Lin'an Taoyuan Paper Co Ltd
Current assignee: Hangzhou Lin'an Taoyuan Paper Co Ltd
Priority date: 2019-06-15
Filing date: 2019-06-15
Publication date: 2020-03-17
Anticipated expiration: 2029-06-15

Abstract

The utility model discloses a sludge sedimentation tank belongs to the technical field of sedimentation tank, and the cell body of having solved among the prior art accumulates the sludge blanket easily, can influence the problem of cell body sedimentation purifying effect. The sewage treatment device comprises a pool body, wherein the pool body consists of a water inlet area, a sedimentation area and a water outlet area, the pool body comprises a sedimentation part, the bottom of the sedimentation part is communicated with a sewage discharge pipe, a fixed rod is arranged at the central axis of the pool body, the upper end of the fixed rod extends to the upper part of the pool body, and a mud scraping assembly for scraping mud is arranged on the fixed rod; the mud scraping assembly comprises a driving motor, a travelling car, at least two connecting rods and a mud scraping plate, wherein one end of the travelling car is fixed with the driving motor, the at least two connecting rods are fixed on the travelling car and extend towards the interior of the pool body, the mud scraping plate is connected below the connecting rods, and the side edge of the mud scraping plate, which is far away from the connecting rods, is abutted against the inner wall surface of the settling; the mud scraping plate is connected with the connecting rod through a connecting assembly, and a supporting piece used for supporting the connecting rod is arranged on the fixed rod. The utility model discloses a mud scraper strikes off mud, reduces mud and piles up in the cell body.

Description

Sludge settling tank

Technical Field

The utility model relates to a technical field of sedimentation tank, in particular to sludge sedimentation tank.

Background

In the process of manufacturing the environment-friendly recycled paper by using the waste paper, a large amount of waste water is generated, and the waste water contains ink peeled from the waste paper, waste paper fillers, waste paper fibers and the like, and the waste water containing the substances needs to be subjected to impurity precipitation in a precipitation tank and then to next treatment.

Chinese patent publication No. CN206793122U discloses a wastewater sedimentation tank, which comprises a water tank, wherein the water tank is provided with a water distribution channel and an overflow weir, the lower end of the water tank is provided with a mud bucket, a mud discharge pipe is arranged in the mud bucket, and the outlet end of the mud discharge pipe is provided with a sewage pump or discharges mud by using pressure difference.

Among the above-mentioned prior art, mud pipe and dredge pump can be with mud discharge, but partial mud can the adhesion on the mud bucket internal face, and can't discharge through the dredge pump, and along with the lapse of time, mud bucket internal face can slowly accumulate out the sludge blanket, when receiving the impact of rivers, the mud on top layer is very easily taken up to influence the sediment purifying effect of cell body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the cell body among the prior art and accumulating sludge blanket easily, can influence the not enough of cell body sedimentation purifying effect, and provide a sludge settling pond, reached and reduced mud accumulational effect in the cell body.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a sludge sedimentation tank comprises a tank body, wherein the tank body consists of a water inlet area, a sedimentation area and a water outlet area, the tank body comprises a main tank part and a sedimentation part below the main tank part, the bottom of the sedimentation part is communicated with a blow-off pipe, a fixed rod is arranged at the central axis of the tank body, the upper end of the fixed rod extends to the upper part of the tank body, and a sludge scraping assembly for scraping sludge is arranged on the fixed rod; the mud scraping assembly comprises a driving motor arranged on the fixing rod, a travelling car with one end fixed with the driving motor, at least two connecting rods fixed on the travelling car and extending towards the inside of the pool body, and a mud scraping plate connected below the connecting rods, wherein the side edge of the mud scraping plate far away from the connecting rods is abutted against the inner wall surface of the sedimentation part; the mud scraping plate is connected with the connecting rod through a connecting assembly, and a supporting piece for supporting the connecting rod is arranged on the fixed rod; the connecting component comprises a mounting groove arranged on the connecting rod, and one side of the mud scraper is inserted into the mounting groove and fixed; the supporting piece comprises a supporting rod, one end of the supporting rod is connected with the connecting rod, and the other end of the supporting rod is rotatably connected onto the fixing rod.

Adopt above-mentioned technical scheme, when the sewage in the cell body subsides, start driving motor for the carriage drives connecting rod and mud scraper and rotates, and the mud scraper strikes off partial adhesion mud on the inner wall of settling part, makes mud get into the drain gradually, reduces mud and piles up in the cell body, reduces the possibility that rivers take up mud, thereby guarantees the sedimentation effect of sedimentation tank. In order to reduce the disturbance influence of the mud scraping plate on the sewage in the tank body, the rotating speed of the travelling vehicle is very low and can be set to be 1 revolution in 6-10 minutes, the radius of the tank body used by the company in actual application is 9m, the rotating speed of the travelling vehicle is 1 revolution in 7 minutes, and the disturbance influence on the sewage is very small.

Meanwhile, as the tank body is large in size and deep in height, the connecting rod is long in length and can be subjected to the resistance of sewage when moving in the tank body, so that the connecting rod is easy to shake in water and poor in stability; realize the support to the connecting rod through the bracing piece, improve the stability of connecting rod. The detachable connection of mud scraping plate and connecting rod is realized to coupling assembling, and the change is conveniently dismantled.

More preferably: the mud scraper comprises an installation section and a mud scraping section, wherein the mud scraping section is inclined towards the moving direction of the carriage from one end connected with the installation section to the other end.

Adopt above-mentioned technical scheme, compare in direct perpendicular butt in the internal face of settling part on, the mud scraping section after the slope sets up is difficult to the upset of moving direction rear, has improved the stability in use of mud scraper.

More preferably: the installation section and the mud scraping section are integrally formed and are smoothly connected.

Adopt above-mentioned technical scheme, guarantee the holistic structural strength of mud scraper, mud can not block in the junction of installation section and mud scraping section simultaneously.

More preferably: one end of the connecting rod is connected with an installation rod, and the installation groove is formed in the installation rod; the connecting assembly further comprises a fixing bolt for fixing the mounting rod and the mud scraper.

By adopting the technical scheme, the fixing bolt is good in fixing effect and convenient to detach.

More preferably: the two sides of the mounting rod extend outwards from the connecting rod to form a convex plate, one end of the convex plate extends to the outer side of the connecting rod in the length direction, and a through hole is formed in the mud scraper; the connecting assembly further comprises a fixing rope used for winding the mounting section and the mud scraping plate, and the fixing rope is wound around the through hole and fixed with the convex plate close to the end face of the connecting rod by knotting.

Adopt above-mentioned technical scheme, further fix the mud scraper and installation pole through fixed rope, the flange provides the position for the winding of fixed rope is established for fixed rope can twine tightly on installation pole and mud scraper, further improves the joint strength between mud scraper and the connecting rod, stability when improving the mud scraper and using.

More preferably: the side face, close to the moving direction of the carriage, of the installation rod is provided with a guide face, the guide face is obliquely arranged from one end close to the connecting rod to the other end of the guide face to one side close to the mud scraper, and the side edge, far away from the installation rod, of the guide face coincides with the mud scraper.

By adopting the technical scheme, when the sludge or the sewage touches the guide surface, the sludge or the sewage can move or flow in a buffering way along the inclined direction of the guide surface and can not be detained on the mounting rod. If the guide surface is not arranged, on one hand, sewage directly impacts the mud scraper after passing through the mounting rod; on the other hand, sludge may adhere to the lower surface of the mounting bar, which is inconvenient to clean.

More preferably: the mounting rod is fixedly provided with a forming sheet abutted against the mud scraping plate, and one end of the forming sheet extends to the side edge of the mud scraping plate far away from the mounting rod.

Adopt above-mentioned technical scheme, the mud scraper is generally all made by stereoplasm rubber, compares in hard material, and the mud scraper is easy deformation when receiving external force, and the shaping piece reduces the possibility of mud scraper deformation for the mud scraper provides the support, improves the stability in use of mud scraper.

More preferably: the fixed rod is provided with an annular groove connected end to end, one end of the supporting rod extends into the annular groove, and the other end of the supporting rod is fixed with the connecting rod through a bolt.

By adopting the technical scheme, one end of the supporting rod is limited in the annular groove and can move in the annular groove, and the other end of the supporting rod is fixed with the connecting rod, so that the supporting of the connecting rod is realized.

More preferably: the support member further includes compression bars connected between all of the connecting bars.

Adopt above-mentioned technical scheme, can produce rocking that is close to each other or keeps away from between the adjacent connecting rod, reduce this type through the resistance to compression pole and rock, realize the support to the connecting rod when improving connecting rod stability.

More preferably: and a plurality of water through holes are formed in the mud scraping plate.

Adopt above-mentioned technical scheme, the scraper is when rotating, and sewage can be to the area production resistance in scraper place, sets up the water hole after, reduces the scraper area on the one hand, and on the other hand dredges water, reduces sewage to the produced resistance of scraper.

To sum up, the utility model discloses following beneficial effect has:

1. the sludge scraping assembly is arranged to scrape the sludge on the inner wall surface of the sedimentation part, so that the accumulation of the sludge in the tank body is reduced, the possibility that the sludge is carried up by water flow is reduced, and the sedimentation effect of the sedimentation tank is ensured;

2. the detachable connection of the mud scraping plate and the connecting rod is realized by arranging the connecting component;

3. by arranging the mounting rod, the through hole and the fixing rope, the fixing effect of the mud scraper and the connecting rod is improved, and the stability of the mud scraper in use is improved;

4. through setting up support piece, realize the stability in use to the support of connecting rod, improve the connecting rod.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic diagram of a portion of the structure of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural view of the connecting assembly, the connecting rod and the mud scraper.

Reference numerals: 1. a tank body; 11. a water inlet area; 12. a settling zone; 13. a water outlet area; 14. a main tank part; 15. a settling section; 16. a track; 17. a base plate; 2. fixing the rod; 3. a water inlet pipe; 4. a water outlet pipe; 5. a blow-off pipe; 51. a valve; 6. a delivery conduit; 7. a mud scraping assembly; 71. a drive motor; 72. moving the vehicle; 721. a frame; 722. a wheel; 73. a connecting rod; 74. a mud scraper; 741. an installation section; 742. a mud scraping section; 743. water passing holes; 8. a connecting assembly; 81. mounting grooves; 82. mounting a rod; 821. a guide surface; 822. a convex plate; 83. fixing the bolt; 84. perforating; 85. fixing a rope; 9. a support member; 91. a support bar; 92. an annular groove; 93. a compression resistant lever; 10. and (5) forming the sheet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a sludge settling pond, as shown in figure 1, including bottom plate 17, cavity and the top that the level set up and bottom link up the cell body 1 that is fixed in bottom plate 17, vertically set up in 1 axis department of cell body and be fixed in dead lever 2 on bottom plate 17, be used for scraping the mud subassembly 7 of scraping mud on 1 internal face of cell body, 2 up end of dead lever are located cell body 1 top.

As shown in fig. 2, the tank body 1 includes a main tank portion 14 having a circular cross section, and a settling portion 15 integrally formed below the main tank portion 14 and having an inverted conical shape; the lower end face of the settling part 15 is fixed with the bottom plate 17, the bottom of the settling part 15 is communicated with a horizontal sewage draining outlet, and a valve 51 is arranged on the sewage draining outlet. The tank body 1 consists of a water inlet area 11, a sedimentation area 12 and a water outlet area 13, wherein the water inlet area 11 is communicated with a water inlet pipe 3, a water outlet pipe 4 is communicated below the water outlet area 13, and one end of the water outlet pipe 4 extends out of the tank body 1; the water inlet area 11 and the settling area 12 are communicated through a plurality of conveying pipelines 6.

The mud scraping component 7 comprises a driving motor 71 fixed on the upper end surface of the fixed rod 2, a walking vehicle 72 with one end fixed with the driving motor 71 and the other end horizontally extending along the radius direction of the pool body 1, three connecting rods 73 vertically fixed below the walking vehicle 72, and a mud scraping plate 74 fixed at the lower ends of the three connecting rods 73 and abutted against the inner wall surface of the settling part 15. The walking vehicle 72 is located above the pool body 1, the walking vehicle 72 comprises a horizontally arranged frame 721 and wheels 722 rotatably connected to one end of the frame 721 far away from the fixed rod 2, the pool body 1 is provided with a track 16, and the wheels 722 move in the track 16. The connecting rod 73 is a round rod.

As shown in fig. 3, the connecting rod 73 is connected to the scraper 74 by the connecting assembly 8. The lower end of the connecting rod 73 is integrally formed with an installation rod 82 with a rectangular cross section, two convex plates 822 are horizontally extended outwards from two sides of the installation rod 82 in the vertical direction, and the convex plates 822 are positioned outside the connecting rod 73. A guide surface 821 is arranged on the vertical side surface of the mounting rod 82 facing the moving direction of the mud scraper 74, the guide surface 821 is inclined from the upper side to the lower side to the side close to the mounting section 741, and the lower side of the guide surface 821 is overlapped with the mounting section 741; the upper side of the guide surface 821 is smoothly connected to the mounting rod 82.

A plurality of water through holes 743 are uniformly formed in the mud scraping plate 74, so that resistance borne by the mud scraping plate 74 during movement is reduced; the scraper 74 comprises a vertical installation section 741 and an arc-shaped scraper section 742, wherein the installation section 741 and the scraper section 742 are integrally formed and are made of hard rubber; the scraper 742 is inclined from the upper end to the lower end in the moving direction of the carriage 72, and the installation section 741 and the scraper 742 are smoothly connected.

As shown in fig. 4, a vertical side of the mounting rod 82 opposite to the guide surface 821 is integrally formed with the forming plate 10, the forming plate 10 extends downward from the mounting rod 82 and extends to a lower side edge of the scraper 74, and the scraper 74 is adhered to the forming plate 10.

As shown in fig. 3, the connecting assembly 8 includes a mounting groove 81 opened on the mounting rod 82 for inserting the mounting section 741, a fixing bolt 83 for fixing the scraper 74 and the mounting rod 82, and a fixing rope 85 wound around the flange 822 and the scraper. The lower end of the mounting groove 81 and both sides in the vertical direction penetrate the mounting rod 82. Three through holes 84 are vertically formed in the mounting section 741, each mounting rod 82 corresponds to one through hole 84, the through holes 84 are located below the mounting rods 82, and one end of each through hole 84 penetrates through the forming sheet 10; one end of the fixing rope 85 passes through the through hole 84 and bypasses the upper end of the convex plate 822 on the side of the mounting rod 82 far away from the fixing rod 2, then passes through the through hole 84 and bypasses the upper end of the convex plate 822 on the side of the mounting rod 82 near the fixing rod 2, the winding mode is repeated, and finally, the two ends of the fixing rope 85 are tied and fixed.

As shown in fig. 2, the connecting rod 73 is provided with a support 9 for supporting the connecting rod 73. The supporting member 9 includes a supporting rod 91 with one end fixed with the connecting rod 73 and the other end rotating on the fixing rod 2, and a pressure-resistant rod 93 horizontally connected between the two connecting rods 73, wherein the supporting rod 91 and the pressure-resistant rod 93 are round rods. Offer end to end's ring channel 92 on the dead lever 2, bracing piece 91 one end welds on the connecting rod 73 that is closest to dead lever 2, and the other end extends to in the ring channel 92, and bracing piece 91 level sets up. Two ends of the compression-resistant rod 93 are respectively welded on the two connecting rods 73 which are not connected with the supporting rod 91.

In this embodiment, the pool body 1 and the fixing rod 2 are both formed by pouring concrete. The connecting rod 73, the support rod 91, the compression resistant rod 93 and the mounting rod 82 are all made of iron.

The implementation principle of the embodiment is as follows: the driving motor 71 is started, the mud scraping plate 74 rotates in the tank body 1, and scrapes off the sludge rotating on the inner wall surface of the settling part 15, so that the sludge enters the sewage draining exit, and the sludge is prevented from accumulating on the inner wall surface of the settling part 15. When the scraper 74 rotates, the support rod 91 and the pressure-resistant rod 93 support the connecting rod 73, so that the deformation of the connecting rod 73 is reduced; the sewage passes through the water passing holes 743, reducing the resistance of the sewage to the scraper 74. The radius of the tank body 1 is 9m, the rotating speed of the carriage 72 is 7 minutes and 1 revolution, the disturbance influence on the sewage is small, and the sludge cannot be brought up.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A sludge sedimentation tank comprises a tank body (1), wherein the tank body (1) consists of a water inlet area (11), a sedimentation area (12) and a water outlet area (13), the tank body (1) comprises a main tank part (14) and a sedimentation part (15) below the main tank part (14), the bottom of the sedimentation part (15) is communicated with a sewage discharge pipe (5), and the sludge sedimentation tank is characterized in that a fixing rod (2) is arranged at the central axis of the tank body (1), the upper end of the fixing rod (2) extends to the upper part of the tank body (1), and a sludge scraping assembly (7) for scraping sludge is arranged on the fixing rod (2); the mud scraping assembly (7) comprises a driving motor (71) arranged on the fixing rod (2), a travelling car (72) with one end fixed with the driving motor (71), at least two connecting rods (73) fixed on the travelling car (72) and extending towards the inside of the pool body (1), and a mud scraping plate (74) connected below the connecting rods (73), wherein the side edge of the mud scraping plate (74) far away from the connecting rods (73) is abutted against the inner wall surface of the settling part (15); the mud scraping plate (74) is connected with the connecting rod (73) through a connecting assembly (8), and a supporting piece (9) for supporting the connecting rod (73) is arranged on the fixed rod (2); the connecting assembly (8) comprises a mounting groove (81) arranged on the connecting rod (73), and one side of the mud scraper (74) is inserted into the mounting groove (81) and fixed; the supporting piece (9) comprises a supporting rod (91) with one end connected with the connecting rod (73) and the other end rotatably connected on the fixed rod (2).

2. A sludge settling tank according to claim 1, wherein the scraper (74) comprises an installation section (741) and a scraper section (742), and the scraper section (742) is inclined from one end connected to the installation section (741) to the other end in the moving direction of the carriage (72).

3. A sludge settling tank as claimed in claim 2, wherein the mounting section (741) and the scraper section (742) are integrally formed and smoothly connected.

4. The sludge sedimentation tank as claimed in claim 1, wherein one end of the connecting rod (73) is connected with a mounting rod (82), and the mounting groove (81) is opened on the mounting rod (82); the connecting assembly (8) further comprises a fixing bolt (83) for fixing the mounting rod (82) and the mud scraper (74).

5. The sludge sedimentation tank as claimed in claim 4, wherein a convex plate (822) is formed at both sides of the mounting rod (82) extending outward of the connecting rod (73), one end of the convex plate (822) extends to the outer side of the connecting rod (73) in the length direction, and a through hole (84) is formed in the mud scraper (74); the connecting assembly (8) further comprises a fixing rope (85) for winding the installation section (741) and the mud scraper (74), and the fixing rope (85) is wound around the through hole (84) and the end face, close to the connecting rod (73), of the convex plate (822) and finally knotted and fixed.

6. A sludge sedimentation tank according to claim 4, wherein a guide surface (821) is provided on a side of the mounting rod (82) adjacent to the moving direction of the carriage (72), the guide surface (821) is inclined from one end adjacent to the connecting rod (73) to the other end toward a side adjacent to the scraper (74), and a side of the guide surface (821) away from the mounting rod (82) coincides with the scraper (74).

7. A sludge sedimentation tank according to claim 4, wherein the mounting bar (82) is fixed with a forming plate (10) abutting against the scraper (74), and one end of the forming plate (10) extends to the side of the scraper (74) away from the mounting bar (82).

8. The sludge settling tank as claimed in claim 1, wherein the fixing rod (2) is provided with an annular groove (92) connected end to end, one end of the supporting rod (91) extends into the annular groove (92), and the other end is fixed with the connecting rod (73) through a bolt.

9. A sludge settling tank as claimed in claim 8, characterized in that the support (9) further comprises a pressure resistant bar (93) connected between all the connecting rods (73).

10. A sludge settling tank as claimed in claim 1, wherein the scraper (74) is provided with a plurality of water passing holes (743).