Industrial settling tank

Abstract

The industrial settling tank comprises a storage tank, and a central cylinder, a water collection system, a sludge discharge system, a water distribution system and an oil collection system are arranged in the bottom of the storage tank; the oil collecting system comprises an oil collecting tank, a heating coil is arranged in the tank bottom of the oil collecting tank, a heating coil flange is arranged on an inlet and an outlet of the heating coil, an oil collecting pipe is arranged below the oil collecting tank, the inlet end of the oil collecting pipe is connected to the tank bottom of the oil collecting tank, and the outlet end of the oil collecting pipe extends out of the bottom wall of the storage tank. Reinforcing ribs for supporting the oil collecting groove are arranged on the inner wall of the storage tank below the oil collecting groove; when the settling tank performs natural settling again, an oil layer in the oil collecting tank can be heated through the heating coil arranged in the oil collecting tank, so that the flowability of grease in the oil collecting tank is improved, the problem that the settling effect is affected due to the fact that the grease is solidified and poor in flowability in a low-temperature use environment is solved, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of sedimentation tanks, and specifically relates to an industrial sedimentation tank. Background Art

[0002] The sedimentation tank treats sewage through physical sedimentation. After industrial sewage enters the sedimentation tank, a static environment will be formed in the tank, and natural sedimentation will be formed by its own gravity. Due to the different densities of substances, the lighter oil-based fluids will be on the upper layer, while the heavier liquids will be on the lower layer; however, the current sedimentation tank has a low sedimentation efficiency, there are "dead oil areas" and "dead water areas", which affect the sedimentation effect, and the oil stains on the upper layer solidify due to low temperature and have poor flow effect; therefore, we transform the existing equipment to meet the use requirements. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide an industrial sedimentation tank with high sedimentation efficiency, which can ensure that the oil stains on the upper layer solidify and have poor fluidity, so that the oil stains cannot be self-discharged.

[0004] The technical problem to be solved by the utility model is realized through the following technical solutions. An industrial sedimentation tank includes a storage tank. A central cylinder is arranged inside the bottom of the storage tank. The central cylinder is configured with a water inlet pipe. A water collection system is arranged around the bottom of the central cylinder. A sludge discharge system is arranged below the water collection system. A water distribution system is arranged around the top of the central cylinder. An oil collection system is arranged inside the storage tank above the water distribution system;

[0005] The oil collection system includes an oil collection tank arranged on the inner wall of the top of the storage tank. A heating coil is arranged inside the bottom of the oil collection tank. A sleeve flange is arranged on the bottom wall of the storage tank. The inlet and outlet of the heating coil extend out of the storage tank through the sleeve flange. Heating coil flanges are arranged on the inlet and outlet of the heating coil. An oil collection pipe is arranged below the oil collection tank. The inlet end of the oil collection pipe is connected to the bottom of the oil collection tank. The outlet end of the oil collection pipe extends out of the bottom wall of the storage tank. Reinforcing ribs for supporting the oil collection tank are arranged on the inner wall of the storage tank below the oil collection tank.

[0006] Preferably, the sludge discharge system includes a sludge discharge pipe. The inlet end of the sludge discharge pipe extends into the central cylinder. A sludge discharge pipe sleeve flange is arranged on the bottom wall of the storage tank. The outlet end of the sludge discharge pipe extends out of the bottom wall of the storage tank through the sludge discharge pipe sleeve flange.

[0007] Preferably, the water collection system includes a water collection pipe, a water collection pipe support and a water collection pipe outlet pipe. The water collection pipe is horizontally connected into the central cylinder. One end of the water collection pipe support is fixedly connected to the outer peripheral surface of the bottom of the water collection pipe, and the other end is fixed on the outer peripheral surface of the central cylinder. One end of the water collection pipe outlet pipe extends into the central cylinder to be connected, and the other end extends out of the top of the storage tank. The height of the inlet end of the water collection pipe outlet pipe is the same as the height of the outlet end of the water collection pipe.

[0008] Preferably, the water distribution system includes a water distribution pipe and a water distribution pipe support. The water distribution pipe is connected to the outer wall of the top of the central cylinder. One end of the water distribution pipe support is fixedly connected to the outer peripheral surface of the bottom of the water distribution pipe, and the other end is fixedly connected to the outer peripheral surface of the central cylinder.

[0009] Preferably, it further includes an overflow assembly. The overflow assembly includes an overflow pipe, an overflow pipe support, an anti-siphon pipe, and an overflow outlet pipe flange. The inlet end of the overflow pipe is arranged in the storage tank and below the oil collecting tank. The outlet end of the overflow pipe extends outside the bottom of the storage tank. The overflow outlet pipe flange is sleeved on the outer peripheral surface of the outlet end of the overflow pipe. One end of the overflow pipe support is vertically installed on the bottom wall of the storage tank, and the other end is fixedly connected to the outer peripheral surface of the bottom of the overflow pipe. The anti-siphon pipe is vertically fixed on the outer peripheral surface of the top of the overflow pipe.

[0010] Preferably, a breather valve interface pipe, a hydraulic safety valve interface pipe, and a radar level gauge interface pipe are arranged on the top of the storage tank. A breather valve, a hydraulic safety valve, a flame arrester, or a radar level gauge is arranged on the breather valve interface pipe, the hydraulic safety valve interface pipe, and the radar level gauge interface pipe. A manhole is arranged at the top edge of the storage tank.

[0011] Preferably, handrails and guardrails are arranged on the top of the storage tank, and anti-slip steps for people to walk on are arranged on the top of the storage tank between the handrails and the guardrails.

[0012] Compared with the prior art, the beneficial technical effects of the present utility model are as follows:

[0013] (1) When the sedimentation tank performs natural sedimentation, the heating coil arranged in the oil collecting tank can heat the oil layer in the oil collecting tank, thereby improving the fluidity of the grease in the oil collecting tank, avoiding the problems of solidification and poor fluidity in a low-temperature use environment, and thus affecting the sedimentation effect, with strong practicability;

[0014] (2) The water collection system and the water distribution system are evenly distributed in the storage tank, and the sewage can be evenly distributed in the storage tank for natural sedimentation;

[0015] (3) The sludge deposited at the bottom of the storage tank can be naturally discharged through the sludge discharge pipe, avoiding excessive sedimentation of sludge at the bottom of the storage tank, thereby affecting the sedimentation effect in the storage tank;

[0016] (4) The anti-siphon pipe is arranged on the overflow pipe in the overflow assembly, which helps to prevent the liquid backflow problem caused by the siphon phenomenon and ensure the stable operation of the sedimentation system. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the front view structural schematic diagram of the present utility model;

[0018] Figure 2This is the front view structural schematic diagram of the oil collection system of the present utility model;

[0019] Figure 3 This is the structural schematic diagram of the oil collection pipe in the oil collection system of the present utility model;

[0020] Figure 4 This is the structural schematic diagram of the heating coil in the oil collection system of the present utility model;

[0021] Figure 5 This is the structural schematic diagram of the sludge discharge system of the present utility model;

[0022] Figure 6 This is the structural schematic diagram of the water collection system of the present utility model;

[0023] Figure 7 This is the structural schematic diagram of the water distribution system of the present utility model;

[0024] Figure 8 This is the structural schematic diagram of the overflow assembly of the present utility model;

[0025] Figure 9 This is the partial structural schematic diagram of the handrail, guardrail and anti-slip step of the present utility model.

[0026] In the figure: 1, storage tank; 2, central cylinder; 3, water inlet pipe; 4, oil collection tank; 5, heating coil; 6, sleeve flange; 7, heating coil flange; 8, oil collection pipe; 9, reinforcing rib; 10, sludge discharge pipe; 11, sludge discharge pipe sleeve flange; 12, water collection pipe; 13, water collection pipe support; 14, water collection pipe outlet pipe; 15, water distribution pipe; 16, water distribution pipe support; 17, overflow pipe; 18, overflow pipe support; 19, anti-siphon connecting pipe; 20, overflow outlet pipe flange; 21, handrail; 22, guardrail; 23, anti-slip step. Specific embodiments

[0027] The following further describes the specific technical solutions of the present utility model with reference to the accompanying drawings, so as to facilitate those skilled in the art to further understand the present utility model without restricting its rights.

[0028] Example 1, referring to Figure 1-2 , an industrial settling tank, including a storage tank 1, the height and width of the storage tank 1 can be customized according to the use requirements. A central cylinder 2 is provided inside the bottom of the storage tank 1. The central cylinder 2 is configured with a water inlet pipe 3. A water collection system is provided around the bottom of the central cylinder 2. A sludge discharge system is provided below the water collection system. A water distribution system is provided around the top of the central cylinder 2. An oil collection system is provided inside the storage tank 1 above the water distribution system;

[0029] After the sewage enters the central cylinder 2, it enters the storage tank 1 outside the central cylinder 2 through the water distribution system. The water layer is discharged outside the storage tank 1 through the water collection system, and the oil layer is discharged outside the storage tank 1 through the oil collection system;

[0030] The oil collection system includes an oil collection tank 4 provided on the inner wall of the top of the storage tank 1. The oil collection tank 4 is formed into a substantially annular tank structure. A heating coil 5 is provided in the bottom of the oil collection tank 4. The heating coil 5 is used to heat the oil layer in the oil collection tank 4, so as to improve the fluidity of the grease in the oil collection tank 4 and avoid the problems of solidification and poor fluidity in a low-temperature use environment, thus affecting the sedimentation effect. A sleeve flange 6 is provided on the bottom wall of the storage tank 1. The inlet and outlet of the heating coil 5 extend outside the storage tank 1 through the sleeve flange 6. Heating coil flanges 7 are provided on the inlet and outlet of the heating coil 5. An oil collecting pipe 8 is provided below the oil collection tank 4. The inlet end of the oil collecting pipe 8 is connected to the bottom of the oil collection tank 4, and the outlet end of the oil collecting pipe 8 extends out of the bottom wall of the storage tank 1. Reinforcing ribs 9 for supporting the oil collection tank 4 are provided on the inner wall of the storage tank 1 below the oil collection tank 4. The reinforcing ribs 9 are formed into a substantially plate-like structure;

[0031] The sludge discharge system includes a sludge discharge pipe 10. The inlet end of the sludge discharge pipe 10 extends into the central cylinder 2. A sludge discharge pipe sleeve flange 11 is provided on the bottom wall of the storage tank 1. The outlet end of the sludge discharge pipe 10 extends outside the bottom wall of the storage tank 1 through the sludge discharge pipe sleeve flange 11;

[0032] The water collection system includes a water collection pipe 12, a water collection pipe support 13, and a water collection pipe outlet pipe 14. The water collection pipe 12 is horizontally connected into the central cylinder 2. One end of the water collection pipe support 13 is fixedly connected to the outer peripheral surface of the bottom of the water collection pipe 12, and the other end is fixed on the outer peripheral surface of the central cylinder 2. The water collection pipe support 13 is formed into a substantially columnar structure. One end of the water collection pipe outlet pipe 14 extends into the central cylinder 2 to be connected, and the other end extends outside the top of the storage tank 1. The height of the inlet end of the water collection pipe outlet pipe 14 is the same as the height of the outlet end of the water collection pipe 12;

[0033] The water distribution system includes a water distribution pipe 15 and a water distribution pipe support 16. The water distribution pipe 15 is connected to the outer wall of the top of the central cylinder 2. One end of the water distribution pipe support 16 is fixedly connected to the outer peripheral surface of the bottom of the water distribution pipe 15, and the other end is fixedly connected to the outer peripheral surface of the central cylinder 2. The water distribution pipe support 16 is formed into a substantially columnar structure;

[0034] It also includes an overflow assembly. The overflow assembly includes an overflow pipe 17, an overflow pipe support 18, an anti-siphon pipe 19, and an overflow outlet pipe flange 20. The inlet end of the overflow pipe 17 is arranged inside the storage tank 1 and below the oil sump 4. The outlet end of the overflow pipe 17 extends outside the bottom of the storage tank 1. The overflow outlet pipe flange 20 is sleeved on the outer peripheral surface of the outlet end of the overflow pipe 17. One end of the overflow pipe support 18 is vertically installed on the bottom wall of the storage tank 1, and the other end is fixedly connected to the outer peripheral surface of the bottom of the overflow pipe 17. The overflow pipe support 18 is formed into a substantially columnar structure. The anti-siphon pipe 19 is vertically fixed on the outer peripheral surface of the top of the overflow pipe 17;

[0035] It should be noted that an anti-siphon pipe 19 is provided on the overflow pipe 17 in the overflow assembly, which helps to prevent the liquid backflow problem caused by the siphon phenomenon and ensure the stable operation of the sedimentation system.

[0036] A breather valve interface pipe, a hydraulic safety valve port connection pipe, and a radar level gauge interface pipe are provided on the top of the storage tank 1. A breather valve, a hydraulic safety valve, a flame arrester, or a radar level gauge is provided on the breather valve interface pipe, the hydraulic safety valve port connection pipe, and the radar level gauge interface pipe. A manhole is provided at the top edge of the storage tank 1;

[0037] A handrail 21 and a guardrail 22 are provided on the top of the storage tank 1. An anti-slip step 23 for people to walk on is provided on the top of the storage tank 1 between the handrail 21 and the guardrail 22.

[0038] The working principle of this industrial sedimentation tank is as follows: Sewage first enters the central cylinder 2 of the storage tank 1 through the inlet pipe 3. As the liquid level in the central cylinder 2 rises, the sewage in the central cylinder 2 is distributed into the bottom of the storage tank 1 through the distribution pipe 15 in the water distribution system. After a certain period of sedimentation, the suspended substances and sludge in the sewage gradually sink, while the lighter oil substances begin to float to the liquid surface. The water collection system discharges the water at the bottom of the storage tank 1 to the outside of the top of the storage tank 1, and the oil substances are discharged outside the storage tank 1 through the oil sump 4 at the top of the storage tank 1. When the sludge at the bottom of the storage tank 1 accumulates to a certain extent, the sludge discharge system discharges the sludge out of the storage tank 1 through the sludge discharge pipe 10;

[0039] It should be noted that when the ambient temperature is relatively low, the heating coil 5 provided in the oil sump 4 can be used to heat the oil layer in the oil sump 4, so as to improve the fluidity of the grease in the oil sump 4 and avoid the problems of solidification and poor fluidity in the low-temperature use environment, thus affecting the sedimentation effect.

Claims

1. An industrial sedimentation tank, characterized in that: The invention comprises a storage tank, wherein a central tube is arranged in the bottom of the storage tank, a water inlet pipe is arranged in the central tube, a water collection system is arranged around the bottom of the central tube, a mud discharge system is arranged below the water collection system, a water distribution system is arranged around the top of the central tube, and an oil collection system is arranged in the storage tank above the water distribution system; The oil collecting system includes an oil collecting trough arranged on the inner wall of the top of the storage tank, a heating coil is arranged in the bottom of the oil collecting trough, a sleeve flange is arranged on the bottom wall of the storage tank, the inlet and outlet of the heating coil extend to the outside of the storage tank from the sleeve flange, a heating coil flange is arranged on the inlet and outlet of the heating coil, an oil collecting pipe is arranged below the oil collecting trough, the inlet end of the oil collecting pipe is connected to the bottom of the oil collecting trough, the outlet end of the oil collecting pipe extends from the bottom wall of the storage tank, and reinforcing ribs for supporting the oil collecting trough are arranged on the inner wall of the storage tank below the oil collecting trough.

2. An industrial sedimentation tank according to claim 1, characterized in that: The mud discharge system comprises a mud discharge pipe, the inlet end of which extends into the central tube, a mud discharge pipe sleeve flange is arranged on the bottom wall of the storage tank, and the outlet end of the mud discharge pipe extends from the mud discharge pipe sleeve flange to the outside of the bottom wall of the storage tank.

3. An industrial sedimentation tank according to claim 1, characterized in that: The water collection system includes a water collection pipe, a water collection pipe support and a water collection pipe outlet pipe. The water collection pipe is horizontally connected to the central tube. One end of the water collection pipe support is fixedly connected to the bottom outer peripheral surface of the water collection pipe, and the other end is fixed to the outer peripheral surface of the central tube. One end of the water collection pipe outlet pipe extends into the central tube for connection, and the other end extends to the top of the storage tank. The height of the inlet end of the water collection pipe outlet pipe is the same as the height of the outlet end of the water collection pipe.

4. An industrial sedimentation tank according to claim 1, characterized in that: The water distribution system includes a water distribution pipe and a water distribution pipe support. The water distribution pipe is connected to the top outer wall of the central tube. One end of the water distribution pipe support is fixedly connected to the bottom outer peripheral surface of the water distribution pipe, and the other end is fixedly connected to the outer peripheral surface of the central tube.

5. An industrial sedimentation tank according to claim 1, characterized in that: It also includes an overflow assembly, which includes an overflow pipe, an overflow pipe support, an anti-siphon pipe and an overflow outlet pipe flange. The inlet end of the overflow pipe is arranged in the storage tank and is located below the oil collecting tank. The outlet end of the overflow pipe extends to the outside of the bottom of the storage tank. The overflow outlet pipe flange is sleeved on the outer peripheral surface of the overflow pipe outlet end. One end of the overflow pipe support is vertically installed on the bottom wall of the storage tank, and the other end is fixedly connected to the bottom outer peripheral surface of the overflow pipe. The anti-siphon pipe is vertically fixed to the top outer peripheral surface of the overflow pipe.

6. An industrial sedimentation tank according to claim 1, characterized in that: A breathing valve interface pipe, a hydraulic safety valve port connecting pipe and a radar level gauge interface pipe are arranged on the top of the storage tank. A breathing valve, a hydraulic safety valve, a flame arrester or a radar level gauge are arranged on the breathing valve interface pipe, the hydraulic safety valve port connecting pipe and the radar level gauge interface pipe. A manhole is arranged on the top edge of the storage tank.

7. An industrial sedimentation tank according to claim 1, characterized in that: A handrail and a guardrail are arranged on the top of the storage tank, and an anti-slip step for people to walk on is arranged on the top of the storage tank between the handrail and the guardrail.

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