Sand aggregate production wastewater treatment device

Abstract

The utility model discloses a sandstone material production wastewater treatment device, which relates to the technical field of sewage treatment and comprises a first sedimentation tank, a second sedimentation tank and a recovery water tank which are communicated with one another, a filter cartridge is connected in the first sedimentation tank, and a sandstone discharge structure is connected in the second sedimentation tank; the bottoms of the first sedimentation tank and the second sedimentation tank are connected with fine sand discharge structures; the filter cartridge is formed by splicing two conical barrels, one end of the filter cartridge is connected with the wastewater inlet structure, and the other end of the filter cartridge is communicated with the gravel discharge structure in the second sedimentation tank; and the filter cartridge is connected with a driving structure for driving the filter cartridge to rotate. According to the wastewater treatment device, the filter cylinder is arranged to be of a structure formed by splicing the two conical cylinders, so that the water-sand separation effect can be improved, wastewater discharge can be reduced, and the water-sand separation efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely relates to a sand and gravel production wastewater treatment device. BACKGROUND

[0002] Water conservancy and hydropower engineering construction needs a large number of high-quality sand and gravel aggregate, and a large amount of wastewater with high sand content will be produced by aggregate washing at all levels, which will cause serious pollution to water bodies and destroy the ecological system if not treated and directly discharged. Sand and gravel wastewater must be treated to meet the standards before being reused or discharged, and sand and gravel wastewater treatment engineering has become the focus of environmental protection work in water conservancy and hydropower engineering. It is a difficult problem to achieve standard discharge and zero discharge of sand and gravel wastewater treatment, mainly due to high sand content and insufficient analysis of material sources, resulting in the need for a large amount of manpower and material resources for system modification, causing unnecessary economic losses.

[0003] Patent CN221107374 U discloses a sand and gravel production wastewater treatment device, which comprises a wastewater tank, the wastewater tank is composed of a first sedimentation tank and a second sedimentation tank, a partition is arranged between the first sedimentation tank and the second sedimentation tank to separate them; a conical cylinder filter screen is arranged above the first sedimentation tank, the front and rear ends of the conical cylinder filter screen are communicated, the front end of the conical cylinder filter screen penetrates the inner wall of the first sedimentation tank and is rotatably connected thereto, the rear end of the conical cylinder filter screen penetrates the partition and is rotatably connected thereto, and a rotary driving mechanism is connected to the conical cylinder filter screen to drive it; a material cylinder for receiving the tail end of the conical cylinder filter screen is installed in the second sedimentation tank; a wastewater output pipe extends from one end of the conical cylinder filter screen, a first overflow port is arranged on the partition, and the first overflow port is located below the conical cylinder filter screen.

[0004] The sand and gravel wastewater treatment device described above has the problem that a large amount of residual wastewater and large-diameter sand and gravel enter the receiving cylinder and are discharged together after the wastewater enters the conical cylinder, because the conical cylinder is inclined downward, so the current wastewater treatment device still has the problem of poor water and sand separation effect. UTILITY MODEL CONTENTS

[0005] In view of the problem of poor water and sand separation effect of the current sand and gravel wastewater treatment device, the purpose of the present application is to provide a sand and gravel production wastewater treatment device, which sets the filter cylinder in a structure composed of two conical cylinders spliced together, not only improving the water and sand separation effect and reducing wastewater discharge, but also improving the water and sand separation efficiency.

[0006] The utility model realizes the following technical scheme:

[0007] The sandstone production wastewater treatment device provided by the application comprises a first sedimentation tank, a second sedimentation tank and a recovery tank which are connected with each other, a filter cylinder is connected in the first sedimentation tank, and a sandstone discharge structure is connected in the second sedimentation tank; a fine sand discharge structure is connected at the bottom of the first sedimentation tank and the second sedimentation tank; the filter cylinder is formed by splicing two conical cylinders, one end of the filter cylinder is connected with a wastewater inlet structure, and the other end is communicated with the sandstone discharge structure in the second sedimentation tank; and a driving structure for driving the rotation of the filter cylinder is connected to the filter cylinder.

[0008] The recovery tank is provided with a drainage port at any position, which is used for installing a drainage pipe to discharge water in the recovery tank.

[0009] Further, the wastewater inlet structure comprises a conveying pipe connected to the outside of the filter cylinder, the conveying pipe is rotationally connected with the end of the filter cylinder, a spiral shaft is connected in the filter cylinder, spiral blades are connected on the spiral shaft, the spiral shaft passes through the end of the conveying pipe and is connected with a first motor for driving the rotation of the spiral shaft, and a feeding pipe is connected to the conveying pipe.

[0010] The spiral shaft at the discharging end of the filter cylinder is connected with a rotating support frame, which can be a support rod or a structure formed by the intersection of two support rods, and when the support structure is formed by the intersection of two support rods, the hole formed after the intersection of the two support rods can discharge a large amount of sandstone.

[0011] Further, a hopper-shaped feeding groove is connected to the top of the feeding pipe.

[0012] Further, the connection between the two conical cylinders of the filter cylinder is installed in a welding or detachable connecting piece connection mode.

[0013] Further, the detachable connecting piece comprises a bolt assembly, mounting blocks are connected to the two conical cylinders, bolt holes are arranged on the mounting blocks, and the two conical cylinders are fixed by installing bolts in the bolt holes.

[0014] Further, the driving structure comprises a gear ring one connected in the middle of the filter cylinder, a gear ring two is engaged on the gear ring one, the gear ring two is connected to the output shaft of a second motor, and the connection between the filter cylinder and the first sedimentation tank is rotationally connected.

[0015] Further, the sandstone discharge structure comprises a hopper-shaped receiving groove connected in the second sedimentation tank, a discharge pipe is connected to the bottom of the hopper-shaped receiving groove, and the discharge pipe extends to the outside of the second sedimentation tank and is communicated with a sandstone receiving groove.

[0016] The sand and gravel receiving trough can be equipped with a sand and gravel discharge port at any location to discharge the sand and gravel material inside the trough.

[0017] Furthermore, a screw feeder is connected inside the discharge pipe.

[0018] Furthermore, a first overflow outlet is provided between the first sedimentation tank and the second sedimentation tank, and a second overflow outlet is provided between the second sedimentation tank and the recycling water tank, wherein the first overflow outlet is higher than the second overflow outlet.

[0019] Furthermore, the first sedimentation tank has a first slope at the bottom, and a first sand discharge pipe is connected to the lower end of the slope. The first sand discharge pipe is connected to a sand receiving tank and a first control valve is connected to the first sand discharge pipe. The second sedimentation tank has a second slope at the bottom, and a second sand discharge pipe is connected to the lower end of the second slope. The second sand discharge pipe is connected to a second control valve and is also connected to a sand receiving tank.

[0020] The second slope inside the second sedimentation tank is a truncated cone formed around the discharge pipe.

[0021] The sand receiving pool can be equipped with a sand outlet at any point to discharge the sand material inside.

[0022] Compared with the prior art, this utility model has at least the following advantages and beneficial effects:

[0023] (1) The wastewater treatment device of this application sets the filter cylinder as a structure composed of two conical cylinders spliced ​​together, so that the sand and gravel containing wastewater entering the filter cylinder can be fully filtered before the sand and gravel are discharged from the filter cylinder, avoiding the sand and gravel from carrying away some of the wastewater directly for discharge, improving the water and sand separation effect, reducing wastewater discharge, and the filter cylinder formed by two conical cylinders allows the device to process more sand and gravel at one time, improving the water and sand separation efficiency.

[0024] (2) By connecting a spiral conveying structure inside the conveying pipe, this application can not only improve the conveying efficiency of sand and gravel, but also prevent sand and gravel from clogging the conveying pipe.

[0025] (3) By connecting a screw feeder inside the discharge pipe, this application can stir and loosen the sand and gravel entering the discharge pipe, avoid the sand and gravel from clogging the discharge pipe, and at the same time play a conveying role, thereby improving the discharge efficiency of sand and gravel.

[0026] (4) The present application provides slopes at the bottom of both the first sedimentation tank and the second sedimentation tank, so that the fine sand settled at the bottom can slide down to the sand discharge pipe by its own gravity and be discharged through the sand discharge pipe, making it more convenient to clean the settled fine sand. Attached Figure Description

[0027] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application. In the drawings:

[0028] Figure 1 It is a structural schematic view of a sand and gravel production wastewater treatment device in the present application;

[0029] Figure 2 It is an enlarged view of A in the present application; Figure 1

[0030] Figure 3 It is a structural schematic view of the installation between a supporting rod and a filter cylinder;

[0031] Figure 4 It is a structural schematic view of the installation between two supporting rods and a filter cylinder;

[0032] Figure 5 It is a structural schematic view of a filter cylinder spliced by two conical cylinders;

[0033] Figure 6 It is an enlarged view of B in the present application; Figure 5

[0034] Markings in the drawings and corresponding names of parts:

[0035] 01-sand receiving pool, 02-first control valve, 03-first sand discharging pipe, 04-first slope, 05-first motor, 06-conveying pipe, 07-spiral shaft, 08-dish-shaped feeding groove, 09-feeding pipe, 10-tooth ring two, 11-second motor, 12-filter cylinder, 13-spiral blade, 14-rotating support frame, 15-first overflow port, 16-dish-shaped receiving groove, 17-second sedimentation pool, 18-discharging pipe, 19-second overflow port, 20-recovery water pool, 21-spiral feeder, 22-second slope, 23-second sand discharging pipe, 24-second control valve, 25-first sedimentation pool, 26-tooth ring one, 27-sand and gravel receiving groove, 28-annular track, 29-mounting block, 30-bolt assembly, 31-rotating ring. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0037] ​​Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0038] It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0039] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0040] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application.

[0041] Embodiment 1

[0042] As Figures 1-3 shown, the embodiment provides a sand and gravel production wastewater treatment device, which comprises a first sedimentation tank 25, a second sedimentation tank 17 and a recovery tank 20 which are in communication with each other, a filter cylinder 12 is connected in the first sedimentation tank 25, a sand and gravel discharge structure is connected in the second sedimentation tank 17; fine sand discharge structures are connected at the bottom of the first sedimentation tank 25 and the second sedimentation tank 17; the filter cylinder 12 is welded by two conical cylinders, one end of the filter cylinder 12 is connected with a wastewater inlet structure, and the other end is in communication with the sand and gravel discharge structure in the second sedimentation tank 17; a driving structure for driving the filter cylinder 12 to rotate is connected on the filter cylinder 12.

[0043] Specifically, the bottom of the recovery tank 20 can have a drain port for installing a drain pipe to drain the water in the recovery tank 20.

[0044] Specifically, the wastewater inlet structure comprises a conveying pipe 06 connected to the outside of the filter cylinder 12, the conveying pipe 06 is rotatably connected to the end of the filter cylinder 12; a spiral shaft 07 is connected inside the filter cylinder 12, the spiral shaft 07 is connected with spiral blades 13, the spiral shaft 07 penetrates through the end of the conveying pipe 06 and is connected with a first motor 05 for driving the rotation of the spiral shaft 07; the conveying pipe 06 is connected with a feeding pipe 09, and the top of the feeding pipe 09 is connected with a hopper-shaped feeding groove 08. A rotating support frame 14 is connected to the spiral shaft 07 at the discharge end of the filter cylinder 12.

[0045] In order to better realize the rotation of the filter cylinder 12, a rotating ring 31 is arranged at the connection between the filter cylinder 12 and the first sedimentation tank 25, and a track is arranged on the wall of the first sedimentation tank 25 and rotatably connected with the rotating ring 31, so that when the filter cylinder 12 rotates, the rotating ring 31 rotates in the track. In addition, an annular protrusion is arranged on the conveying pipe 06, and an annular track 28 is arranged at the end of the filter cylinder 12. Such an installation structure not only realizes the rotation of the filter cylinder 12, but also realizes the left and right limiting functions of the rotating ring 31 and the annular protrusion, so that the filter cylinder 12 is more stable during rotation.

[0046] Specifically, the driving structure comprises a gear ring I 26 connected to the middle of the filter cylinder 12, the gear ring I 26 is engaged with a gear ring II 10, and the gear ring II 10 is connected to the output shaft of the second motor 11; the connection between the filter cylinder 12 and the first sedimentation tank 25 is rotatable.

[0047] Specifically, the sand discharge structure comprises a hopper-shaped receiving groove 16 connected in the second sedimentation tank 17, and the hopper-shaped receiving groove 16 is connected with a discharge pipe 18 at the bottom, and the discharge pipe 18 extends to the outside of the second sedimentation tank 17 and communicates with a sand receiving groove 27. A sand discharge port is arranged at the bottom of the sand receiving groove 27 to discharge the sand in the sand receiving groove 27.

[0048] When the treatment device is used, the sand material production wastewater is poured into the conveying pipe 06 from the hopper-shaped feeding groove 08, and the first motor 05 is rotated to cooperate with the rotating shaft and the spiral blades 13 to pass the entering material into the filter cylinder 12. The second motor 11 drives the filter cylinder 12 to rotate, and the material in the filter cylinder 12 is filtered under the action of centrifugal force. The filtered wastewater and fine sand fall to the bottom of the first sedimentation tank 25, the sand with large particle size is screened in the filter cylinder 12, and then is conveyed outward by the rotating spiral blades 13 to the outlet of the filter cylinder 12. Then the sand enters the hopper-shaped receiving groove 16, and falls into the discharge pipe 18 after passing through the hopper-shaped receiving groove 16, and is discharged into the sand receiving groove 27 from the discharge pipe 18.

[0049] After the fine sand and wastewater are settled in the first sedimentation tank 25, the supernatant is introduced into the second sedimentation tank 17 from the first overflow port 15, and after being settled in the second sedimentation tank 17, the supernatant in the second sedimentation tank 17 is introduced into the recovered water tank 20 from the second overflow port 19. The water in the recovered water tank 20 can be reused. A drain port can be arranged at the bottom of the recovered water tank 20, and a water pipe is connected to the drain port to drain the water in the recovered water tank 20.

[0050] The wastewater treatment device sets the filter cylinder 12 as a structure formed by splicing two tapered cylinders, so that the sand and gravel containing wastewater introduced into the filter cylinder 12 can be filtered sufficiently before being discharged from the filter cylinder 12, avoiding that the sand and gravel directly take away and discharge part of the wastewater, improving the water-sand separation effect and reducing the wastewater discharge. Moreover, the filter cylinder 12 formed by two tapered cylinders can process more sand and gravel at one time, improving the water-sand separation efficiency.

[0051] Embodiment 2

[0052] Based on Embodiment 1, as shown in Figures 1-3 the embodiment provides a sand and gravel production wastewater treatment device. Different from Embodiment 1, the first sedimentation tank 25 of the embodiment is provided with a first slope 04 at the bottom, the low end of the slope is connected with a first sand discharge pipe 03, the first sand discharge pipe 03 is connected with a sand collecting tank 01, and the first sand discharge pipe 03 is connected with a first control valve 02. The second sedimentation tank 17 is provided with a second slope 22 at the bottom, the low end of the second slope 22 is connected with a second sand discharge pipe 23, the second sand discharge pipe 23 is connected with a second control valve 24, and the second sand discharge pipe 23 is also connected with the sand collecting tank 01. Other technical features are completely the same as those of Embodiment 1.

[0053] The second slope 22 arranged in the second sedimentation tank 17 is a frustum formed around the discharge pipe 18.

[0054] The embodiment is provided with a slope at the bottom of the first sedimentation tank 25 and the second sedimentation tank 17, so that the fine sand settled at the bottom can slide to the sand discharge pipe under the gravity of the fine sand itself and be discharged through the sand discharge pipe, making it more convenient to clean the settled fine sand.

[0055] Embodiment 3

[0056] Based on Embodiment 2, as shown in Figures 1-3 the embodiment provides a sand and gravel production wastewater treatment device. Different from Embodiment 2, the discharge pipe 18 of the embodiment is connected with a screw feeder 21. Other technical features are completely the same as those of Embodiment 2.

[0057] The embodiment can stir and loosen the sand and stone in the discharge pipe 18 by connecting the spiral feeder 21 in the discharge pipe 18, avoid the sand and stone from blocking the discharge pipe 18, and also has the conveying effect, and improves the discharging efficiency of the sand and stone.

[0058] Embodiment 4

[0059] Based on embodiment 3, as shown in Figure 4 , the embodiment provides a sand and stone material production wastewater treatment device, which is different from embodiment 3, the rotating support frame 14 of the embodiment is formed by two support rods intersecting, when the support structure is formed by two support rods intersecting, the hole formed after the two support rods intersecting can make a large amount of sand and stone discharge.

[0060] Embodiment 5

[0061] Based on embodiment 4, as shown in Figure 5 , 6 , the embodiment provides a sand and stone material production wastewater treatment device, which is different from embodiment 4, the connecting part of the two conical cylinders of the filter cylinder 12 of the embodiment is connected by a detachable connecting piece.

[0062] Specifically, the detachable connecting piece includes a bolt assembly 30, the two conical cylinders are both connected with a mounting block 29, the mounting block 29 is provided with a bolt hole, and the two conical cylinders are fixed by installing a bolt in the bolt hole.

[0063] The above specific embodiments further specifically describe the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only a specific embodiment of the utility model, and is not used to limit the protection scope of the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sandstone production wastewater treatment device, comprising a first sedimentation tank (25), a second sedimentation tank (17) and a recycled water tank (20) connected to each other, a filter cylinder (12) is connected in the first sedimentation tank (25), and a sandstone discharge structure is connected in the second sedimentation tank (17); fine sand discharge structures are connected at the bottom of the first sedimentation tank (25) and the second sedimentation tank (17); characterized in that, The filter cylinder (12) is spliced by two conical cylinders, one end of the filter cylinder (12) is connected with a wastewater inlet structure, and the other end is communicated with a sand discharge structure in the second sedimentation tank (17); a driving structure for driving the rotation of the filter cylinder (12) is connected to the filter cylinder (12).

2. The sand and gravel manufacturing wastewater treatment apparatus according to claim 1, wherein The wastewater inlet structure comprises a conveying pipe (06) connected to the outside of the filter cylinder (12), and the conveying pipe (06) is rotatably connected to the end of the filter cylinder (12); a spiral shaft (07) is connected inside the filter cylinder (12), the spiral shaft (07) is connected with a spiral blade (13), the spiral shaft (07) penetrates the end of the conveying pipe (06) and is connected with a first motor (05) for driving the rotation of the spiral shaft (07); the conveying pipe (06) is connected with a feeding pipe (09).

3. The apparatus for treating wastewater from sand and gravel production according to claim 2, characterized in that, The top of the feeding pipe (09) is connected with a hopper-shaped feeding groove (08).

4. The sand and gravel manufacturing wastewater treatment apparatus according to claim 1, wherein The connection between the two conical cylinders of the filter cylinder (12) is installed by welding or detachable connecting piece.

5. The apparatus for treating wastewater from sand and gravel production according to claim 4, characterized in that, The detachable connecting piece comprises a bolt assembly (30), and mounting blocks (29) are connected to the two conical cylinders, and the mounting blocks (29) are fixedly connected by the bolt assembly (30).

6. The sand and gravel manufacturing wastewater treatment apparatus according to claim 1, wherein The driving structure comprises a gear ring I (26) connected to the middle part of the filter cylinder (12), the gear ring I (26) is engaged with a gear ring II (10), and the gear ring II (10) is connected to the output shaft of a second motor (11); the connection between the filter cylinder (12) and the first sedimentation tank (25) is rotatable.

7. The sand and gravel manufacturing wastewater treatment apparatus according to claim 1, wherein The sand discharge structure comprises a hopper-shaped receiving groove (16) connected in the second sedimentation tank (17), the bottom of the hopper-shaped receiving groove (16) is connected with a discharge pipe (18), and the discharge pipe (18) extends to the outside of the second sedimentation tank (17) and is communicated with a sand receiving groove (27).

8. The apparatus according to claim 7, wherein A spiral feeder (21) is connected in the discharge pipe (18).

9. The sand and gravel manufacturing wastewater treatment apparatus according to claim 1, wherein A first overflow port (15) is arranged between the first sedimentation tank (25) and the second sedimentation tank (17), a second overflow port (19) is arranged between the second sedimentation tank (17) and the recovered water tank (20), and the first overflow port (15) is higher than the second overflow port (19).

10. The sand and gravel manufacturing wastewater treatment apparatus according to claim 1, wherein A first slope (04) is arranged at the bottom of the first sedimentation tank (25), the low end of the slope is connected with a first sand discharge pipe (03), the first sand discharge pipe (03) is connected with a sand receiving tank (01), and a first control valve (02) is connected to the first sand discharge pipe (03); a second slope (22) is arranged at the bottom of the second sedimentation tank (17), the low end of the second slope (22) is connected with a second sand discharge pipe (23), a second control valve (24) is connected to the second sand discharge pipe (23), the second sand discharge pipe (23) is also connected with the sand receiving tank (01), and the second control valve (24) is connected to the second sand discharge pipe (23).

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