Steel three-stage sedimentation tank for building construction site

Abstract

The utility model relates to the technical field of constructional engineering, and discloses a steel three-stage sedimentation tank for a building construction site, which comprises a sedimentation tank, a first sedimentation tank, a second sedimentation tank and a third sedimentation tank are arranged in the sedimentation tank, and the first sedimentation tank, the second sedimentation tank and the third sedimentation tank are connected. Overflow ports are formed in the first sedimentation tank, the second sedimentation tank and the third sedimentation tank, a plurality of steel plate lifting lugs are arranged on the two side walls of the sedimentation tank, a first channel steel layer and a second channel steel layer are arranged on the outer side wall of the sedimentation tank in a sleeving mode respectively, and the first channel steel layer and the second channel steel layer are sequentially arranged from top to bottom; the first channel steel layer is arranged below the plurality of steel plate lifting lugs, and a glass fiber reinforced plastic grating is mounted above the settling tank; the main structure is completely made of steel plates, welding is fast and simple, cost is low, mounting, dismounting and transportation are convenient, secondary utilization of a site is achieved, a fence is not needed, and the device can be used at any time and recycled and has good market application value.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a steel three-level sedimentation tank at a construction site. Background Art

[0002] At present, with the rapid development of construction projects, the construction speed of projects is getting faster and faster, and the temporary land available during the construction process is getting less and less. The construction sewage and mud on the construction site must be equipped with three-level sedimentation and discharge facilities;

[0003] The three-stage sedimentation tank is a structure that uses the natural sedimentation of water to remove suspended matter in the water. Among them, the three-stage horizontal flow sedimentation tank is the most common. It is characterized by simple structure, good sedimentation effect, stable working performance, but it takes up a large area. The urban rail transit project includes two subway stations and three subway sections, and the construction line is long. Because the project is located in the central area of ​​a subtropical city with abundant rainfall, the construction process involves multiple traffic diversions, enclosure and edge work, and frequent site changes; the project cost is high and transportation is inconvenient.

[0004] The existing technology has defects and needs to be improved. Utility Model Content

[0005] In order to solve the defects of the existing technology, the utility model provides a steel three-stage sedimentation tank for a construction site.

[0006] The utility model provides a technical document, a steel three-stage sedimentation tank at a construction site, comprising a sedimentation box, wherein a first sedimentation tank, a second sedimentation tank and a third sedimentation tank are arranged in the sedimentation tank, the first sedimentation tank, the second sedimentation tank and the third sedimentation tank are arranged in connection, and overflow ports are arranged in the first sedimentation tank, the second sedimentation tank and the third sedimentation tank, and a plurality of steel plate lifting ears are arranged on both side walls of the sedimentation box, and a first channel steel layer and a second channel steel layer are respectively sleeved on the outer side walls of the sedimentation box, the first channel steel layer and the second channel steel layer are arranged in sequence from top to bottom, the first channel steel layer is arranged below the plurality of steel plate lifting ears, and a glass fiber reinforced plastic grille is installed above the sedimentation box.

[0007] Preferably, a cast iron grille water inlet is arranged on the right side wall of the first sedimentation tank, an overflow trough is arranged on the left side of the first sedimentation tank, an overflow trough is arranged on the right side of the second sedimentation tank at a position corresponding to the overflow trough of the first sedimentation tank, and the same overflow trough is arranged diagonally thereto, an overflow trough is arranged on the right side of the third sedimentation tank at a position corresponding to the overflow trough of the second sedimentation tank; and a water outlet is arranged on the left side of the third sedimentation tank.

[0008] Preferably, the size of the fiberglass reinforced plastic grille is larger than the size of the sedimentation box, and filter cotton is arranged inside the fiberglass reinforced plastic grille.

[0009] Preferably, a circulation device is further provided in the sedimentation tank, and the circulation device is arranged above the water outlet in the third sedimentation tank.

[0010] Preferably, the circulation device includes a float, a stop valve and a pressure sensor, the pressure sensor is installed on the inner wall of the third sedimentation tank, the float floats on the liquid surface and is located directly below the pressure sensor, the stop valve is installed in the water outlet, and the pressure sensor is connected to the stop valve. When the float contacts the pressure sensor as the liquid level rises, the stop valve opens the water outlet, otherwise it closes the water outlet.

[0011] Preferably, the first sedimentation tank, the second sedimentation tank and the third sedimentation tank are each provided with a groove at the bottom, and the grooves are interconnected.

[0012] Preferably, the groove is inclined downward in a step-by-step manner along the arrangement direction of the first sedimentation tank, the second sedimentation tank and the third sedimentation tank, with an inclination of 5°.

[0013] Preferably, a sedimentation tank is provided at the bottom of one side of the groove in the first sedimentation tank, the second sedimentation tank and the third sedimentation tank, and the sedimentation tank is connected to the groove through a sedimentation pipe.

[0014] Preferably, the welding size of the sedimentation box is set to 2.5m×5m×2m, and its top surface is empty for placing and installing the fiberglass grille.

[0015] Preferably, the plurality of steel plate lifting ears are arranged in at least two groups, and a group of steel plate lifting ears is arranged in at least two groups, the steel plate lifting ears include a main body, a lifting hole is arranged on the main body, a plurality of protrusions are evenly arranged on the inner wall of the lifting hole, and a layer of anti-slip rubber is arranged on the inner wall of the lifting hole.

[0016] Compared with the beneficial effects of the prior art, the utility model is simple to manufacture, and the main structure is entirely made of steel plates. Welding is quick and simple, and the cost is low. It is easy to install and disassemble and is convenient for transportation. A steel plate is laid above the sedimentation tank, and the size of the steel plate is larger than the size of the sedimentation tank, so that personnel, vehicles and mechanical equipment can continue to pass, realizing the secondary use of the site. No fencing is required, and it can be used anytime and anywhere, and can be recycled, with good market application value. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the glass fiber reinforced plastic grille of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the first channel steel layer of the utility model;

[0020] Figure 4 This is a schematic diagram of the second channel steel layer structure of the utility model.

[0021] Markings: first sedimentation tank 1, second sedimentation tank 2, third sedimentation tank 3, overflow port 4, water outlet 5, multiple steel plate lifting ears 6, cast iron grille water inlet 7, fiberglass grille 8, first channel steel layer 9, second channel steel layer 10. DETAILED DESCRIPTION

[0022] It should be noted that the above-mentioned technical features are further combined with each other to form various embodiments not listed above, which are all deemed to be within the scope of the present utility model specification; and, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should fall within the scope of protection of the claims attached to the present utility model.

[0023] In order to facilitate the understanding of the present invention, the present invention is described in more detail below in conjunction with the accompanying drawings and specific embodiments. The accompanying drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this specification are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used in this specification have the same meanings as those commonly understood by technicians in the technical field of the present invention. The terms used in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0026] The utility model is described in detail below in conjunction with the accompanying drawings.

[0027] like Figure 1-Figure 4One embodiment described: a steel three-stage sedimentation tank at a construction site, including a sedimentation box, wherein a first sedimentation tank 1, a second sedimentation tank 2 and a third sedimentation tank 3 are arranged in the sedimentation tank, the first sedimentation tank 1, the second sedimentation tank 2 and the third sedimentation tank 3 are connected and arranged, and the first sedimentation tank 1, the second sedimentation tank 2 and the third sedimentation tank 3 are each provided with an overflow port 4, and a plurality of steel plate lifting ears 6 are arranged on both side walls of the sedimentation box, and a first channel steel layer 9 and a second channel steel layer 10 are respectively sleeved on the outer side walls of the sedimentation box, and the first channel steel layer 9 and the second channel steel layer 10 are arranged in sequence from top to bottom, and the first channel steel layer 9 is arranged below the plurality of steel plate lifting ears 6, and a glass fiber reinforced plastic grille 8 is installed above the sedimentation box.

[0028] It should be noted that because it is located in the central area of ​​a subtropical city with abundant rainfall, the construction process involves multiple traffic diversions, enclosure reversing work, and frequent site changes. In order to meet the urban construction rainwater discharge standards, reduce project costs, and facilitate transportation, the steel sedimentation tank is welded with 6mm steel plates, and the outside is ribbed with 12# channel steel (one circle each on the top and bottom, with a horizontal spacing of 400). The steel plates are fully welded, and the welding must ensure its water tightness. The overall sedimentation tank size is 2.5m×5m×2m;

[0029] Furthermore, the first channel steel layer 9 and the second channel steel layer 10 are both provided with two layers, and the lateral spacing is provided with 400.

[0030] Preferably, a cast iron grating water inlet 7 is arranged on the right side wall of the first sedimentation tank 1, an overflow trough is arranged on the left side of the first sedimentation tank 1, an overflow trough is arranged on the right side of the second sedimentation tank 2 at a position corresponding to the overflow trough of the first sedimentation tank 1, and the same overflow trough is arranged diagonally thereto, an overflow trough is arranged on the right side of the third sedimentation tank 3 at a position corresponding to the overflow trough of the second sedimentation tank 2; and a water outlet 5 is arranged on the left side of the third sedimentation tank 3.

[0031] It should be noted that a cast iron grille water inlet 7 is provided on the right side wall of the first sedimentation tank 1 to filter larger objects such as sand and gravel and reduce the sediment in the first sedimentation tank 1. An overflow trough is provided on the left side, and an overflow trough is provided on the right side of the second sedimentation tank 2 at a position corresponding to the overflow trough of the first sedimentation tank 1 (the overflow trough on the left side of the first sedimentation tank 1), and the same overflow trough is provided diagonally to avoid excessive water flow rate and improve sedimentation effect; an overflow trough is provided on the right side of the third sedimentation tank 3 at a position corresponding to the overflow trough of the second sedimentation tank 2; a water outlet 5 is provided on the left side of the third sedimentation tank 3 and connected to a water pump to facilitate the discharge or reuse of water in the third-stage sedimentation box.

[0032] Furthermore, the overflow trough is set to 400*400; the cast iron grid water inlet 7, the overflow trough and the water outlet 5 are all arranged in the overflow port 4.

[0033] Furthermore, the water outlet diameter is set to 300.

[0034] Preferably, the size of the fiberglass reinforced plastic grille 8 is larger than the size of the sedimentation box, and filter cotton is arranged inside the fiberglass reinforced plastic grille 8 .

[0035] It should be noted that the glass fiber reinforced plastic grille 8 is used to prevent large garbage objects from entering the box, while the filter cotton is used to further filter the water entering the box so that it is placed in the filter box to prevent blockage caused by large garbage objects;

[0036] Furthermore, the filter cotton and the glass fiber reinforced plastic grille 8 can be disassembled and cleaned irregularly.

[0037] Preferably, a circulation device is further provided in the sedimentation box, and the circulation device is arranged above the water outlet 5 in the third sedimentation tank 3 .

[0038] It should be noted that the circulation device is used to automatically drain the sedimentation water in the sedimentation tank or circulate and extract it for sedimentation treatment.

[0039] Preferably, the circulation device includes a float, a stop valve and a pressure sensor, the pressure sensor is installed on the inner wall of the third sedimentation tank 3, the float floats on the liquid surface and is located directly below the pressure sensor, the stop valve is installed in the water outlet 5, and the pressure sensor is connected to the stop valve. When the float contacts the pressure sensor as the liquid level rises, the stop valve opens the water outlet 5, otherwise it closes the water outlet 5.

[0040] It should be noted that the automatic water outlet function can be realized through the float, the stop valve and the pressure sensor, and the water outlet 5 is connected to a water pump to discharge or reuse the discharged water.

[0041] Preferably, the first sedimentation tank 1, the second sedimentation tank 2 and the third sedimentation tank 3 are each provided with a groove at the bottom, and the grooves are interconnected.

[0042] It should be noted that a sludge discharge pipe is provided in the groove, which is used to discharge the precipitated sludge in the first sedimentation tank 1, the second sedimentation tank 2 and the third sedimentation tank 3 out of the sedimentation tank.

[0043] Preferably, the groove is inclined downward in a step-by-step manner along the arrangement direction of the first sedimentation tank 1, the second sedimentation tank 2 and the third sedimentation tank 3, with an inclination of 5°.

[0044] It should be noted that the groove arrangement inclination in the first sedimentation tank 1, the second sedimentation tank 2, and the third sedimentation tank 3 can be proportionally adjusted, and the adjustment degree is set between 2° and 30°, which can be adjusted according to the precipitation and the amount of precipitated sludge.

[0045] Furthermore, an adjustment unit is installed at the bottom of the grooves provided in the first sedimentation tank 1 , the second sedimentation tank 2 , and the third sedimentation tank 3 , and the grooves can be raised and lowered.

[0046] Preferably, a sedimentation tank is provided at the bottom of one side of the groove in each of the first sedimentation tank 1 , the second sedimentation tank 2 and the third sedimentation tank 3 , and the sedimentation tank is connected to the groove through a sedimentation pipe.

[0047] It should be noted that the sludge in the sedimentation box is first settled in the sedimentation tank, and then the accumulated mud is discharged into the mud discharge pipe through the sedimentation pipe, thereby discharging from the sedimentation box.

[0048] Preferably, the welding size of the sedimentation box is set to 2.5m×5m×2m, and its top surface is empty for placing and installing the fiberglass grille 8.

[0049] It should be noted that the sedimentation box is welded with 6mm steel plates, and the steel plates are fully welded. The welding must ensure its water tightness to ensure that water does not flow out.

[0050] Preferably, the plurality of steel plate lifting ears 6 are arranged in at least two groups, and a group of steel plate lifting ears is arranged in at least two groups, wherein the steel plate lifting ears include a main body, a lifting hole is arranged on the main body, a plurality of protrusions are evenly arranged on the inner wall of the lifting hole, and a layer of anti-slip rubber is arranged on the inner wall of the lifting hole.

[0051] It should be noted that the multiple protrusions are arranged relatively to each other, and the main body is also provided with an arc-shaped groove structure. Auxiliary fixing parts are also provided on both sides of the main body for fixing the crane claw or crane rope when connecting the lifting ear.

[0052] It should be noted that the above-mentioned technical features are further combined with each other to form various embodiments not listed above, which are all deemed to be within the scope of the present utility model specification; and, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should fall within the scope of protection of the claims attached to the present utility model.

Claims

1. A steel three-stage sedimentation tank at a construction site, characterized in that: It includes a sedimentation tank, in which a first sedimentation tank, a second sedimentation tank and a third sedimentation tank are arranged, the first sedimentation tank, the second sedimentation tank and the third sedimentation tank are connected to each other, and overflow ports are arranged in the first sedimentation tank, the second sedimentation tank and the third sedimentation tank, and a plurality of steel plate lifting ears are arranged on both side walls of the sedimentation tank. The outer side walls of the sedimentation tank are respectively sleeved with a first channel steel layer and a second channel steel layer, the first channel steel layer and the second channel steel layer are arranged in sequence from top to bottom, the first channel steel layer is arranged below the plurality of steel plate lifting ears, and a fiberglass grille is installed above the sedimentation tank.

2. A steel three-stage sedimentation tank for a construction site according to claim 1, characterized in that: A cast iron grille water inlet is arranged on the right side wall of the first sedimentation tank, an overflow trough is arranged on the left side of the first sedimentation tank, an overflow trough is arranged on the right side of the second sedimentation tank at a position corresponding to the overflow trough of the first sedimentation tank, and the same overflow trough is arranged diagonally thereto, an overflow trough is arranged on the right side of the third sedimentation tank at a position corresponding to the overflow trough of the second sedimentation tank; and a water outlet is arranged on the left side of the third sedimentation tank.

3. A steel three-stage sedimentation tank for a construction site according to claim 1, characterized in that: The size of the glass fiber reinforced plastic grille is larger than that of the sedimentation box, and filter cotton is arranged inside the glass fiber reinforced plastic grille.

4. A steel three-stage sedimentation tank for a construction site according to claim 1, characterized in that: A circulation device is also provided in the sedimentation box, and the circulation device is arranged above the water outlet in the third sedimentation tank.

5. A steel three-stage sedimentation tank for a construction site according to claim 4, characterized in that: The circulation device includes a float, a stop valve and a pressure sensor. The pressure sensor is installed on the inner wall of the third sedimentation tank. The float floats on the liquid surface and is located directly below the pressure sensor. The stop valve is installed in the water outlet. The pressure sensor is connected to the stop valve. When the float contacts the pressure sensor as the liquid level rises, the stop valve opens the water outlet, otherwise it closes the water outlet.

6. A steel three-stage sedimentation tank for a construction site according to claim 1, characterized in that: The first sedimentation tank, the second sedimentation tank and the third sedimentation tank are each provided with a groove at the bottom, and the grooves are interconnected.

7. A steel three-stage sedimentation tank for a construction site according to claim 6, characterized in that: The groove is inclined downward in a step-by-step manner along the arrangement direction of the first sedimentation tank, the second sedimentation tank and the third sedimentation tank, with an inclination of 5°.

8. A steel three-stage sedimentation tank for a construction site according to claim 7, characterized in that: A sedimentation tank is provided at the bottom of one side of the groove in the first sedimentation tank, the second sedimentation tank and the third sedimentation tank, and the sedimentation tank is connected to the groove through a sedimentation pipeline.

9. A steel three-stage sedimentation tank for a construction site according to claim 1, characterized in that: The welding size of the sedimentation box is set to 2.5m×5m×2m, and the top surface is empty for placing and installing the fiberglass grille.

10. A steel three-stage sedimentation tank for a construction site according to claim 1, characterized in that: The plurality of steel plate lifting ears are arranged in at least two groups, and a group of steel plate lifting ears is arranged in at least two groups. The steel plate lifting ears include a main body, a lifting hole is arranged on the main body, a plurality of protrusions are evenly arranged on the inner wall of the lifting hole, and a layer of anti-slip rubber is arranged on the inner wall of the lifting hole.

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