Anti-overflow glass fiber reinforced plastic septic tank

Abstract

The utility model relates to the field of septic tanks, in particular to an anti-overflow glass fiber reinforced plastic septic tank which comprises a tank body and an anti-overflow device, a feeding pipe and a discharging pipe are arranged on the left side and the right side of the tank body respectively, and a first electromagnetic valve is arranged on the feeding pipe; two partition plates are arranged in the tank body, an inner cavity of the tank body is divided into three chambers by the partition plates, and the three chambers are a first anaerobic chamber, a second anaerobic chamber and a clarifying chamber in sequence from left to right; the anti-overflow device comprises a water tank, a liquid level meter, an alarm and a PLC (Programmable Logic Controller); the liquid level meter is mounted in the first anaerobic chamber; the alarm is mounted at the top of the pool body; the water tank is mounted on the outer side of the upper part of the first anaerobic chamber, the upper part and the lower part of the water tank are respectively connected with the tank body through an upper communicating pipe and a lower communicating pipe, a second electromagnetic valve is arranged on the upper communicating pipe, and a one-way valve is arranged in the lower communicating pipe; the alarm, the liquid level meter, the first electromagnetic valve and the second electromagnetic valve are all electrically connected with the PLC. Overflow leakage of the septic tank is effectively avoided, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the field of septic tanks, in particular to an anti-overflow glass fiber reinforced plastic septic tank. Background Art

[0002] Septic tank is a device for treating feces and filtering and precipitating them. Its principle is that the solidified matter decomposes at the bottom of the tank, and the hydrated matter on the upper layer flows into the pipe to prevent the pipe from being blocked, giving the solidified matter (feces and other garbage) enough time to hydrolyze. Septic tank refers to a small treatment structure for separating and precipitating domestic sewage and performing anaerobic digestion of sludge. Most modern rural domestic sewage treatment projects use fiberglass septic tanks, which are corrosion-resistant, acid-resistant, and have a long service life.

[0003] At present, Chinese patent publication number CN212954784U discloses a glass fiber reinforced plastic septic tank storage tank leak-proof device, including a barrel body, wherein the barrel body is internally connected to each other by two partitions to form a primary anaerobic chamber, a secondary anaerobic chamber and a clarifying chamber, wherein the partition is provided with a through hole, and the upper end of the barrel body located above the primary anaerobic chamber and the secondary anaerobic chamber is provided with an opening, and each of the upper ends of the openings is provided with a mounting portion with an external thread, and a pressure relief mechanism is installed on the mounting portion, and a transparent cover body is installed outside the pressure relief mechanism, and the pressure relief mechanism includes a flexible telescopic cover covering each opening and a sealing cover for fixing the flexible telescopic cover, and the sealing cover is covered on the peripheral side of the flexible telescopic cover and is threadedly connected to the mounting portion. The utility model provides a glass fiber reinforced plastic septic tank storage tank leak-proof device with a pressure buffer structure.

[0004] However, since the gas in the septic tank will continue to accumulate, although the utility model can increase the volume of the septic tank to buffer the pressure in the septic tank, if the gas is not released in time, overflow or even explosion may still occur; and when the septic tank is not cleaned for a long time, blockage may occur, resulting in the inability to discharge the liquid. Since the situation inside the septic tank cannot be observed at any time, overflow may occur if it is not cleaned in time. Utility Model Content

[0005] Therefore, in view of the above-mentioned problems, the present invention proposes an anti-overflow fiberglass reinforced plastic septic tank to solve the problem that the septic tank in the prior art may overflow.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An anti-overflow glass fiber reinforced plastic septic tank comprises a tank body and an anti-overflow device.

[0008] A feed pipe and a discharge pipe are respectively arranged on the left and right sides of the tank body, and a first solenoid valve is arranged on the feed pipe; two partitions are arranged in the tank body, and the partitions divide the inner cavity of the tank body into three chambers, and the three chambers are the first anaerobic chamber, the second anaerobic chamber and the clarification chamber from left to right; a water hole is arranged on the partition; and a cleaning port is arranged on the top of the tank body.

[0009] The anti-leakage device comprises a water tank, a liquid level meter, an alarm and a PLC controller; the liquid level meter is installed in the first anaerobic chamber; and the alarm is installed on the top of the tank body.

[0010] The water tank is installed on the outer side of the upper part of the first anaerobic chamber. The upper part of the water tank is connected to the tank body through an upper connecting pipe, and the lower part of the water tank is connected to the tank body through a lower connecting pipe. A second solenoid valve is arranged on the upper connecting pipe, and a one-way valve is arranged in the lower connecting pipe.

[0011] The alarm, the liquid level meter, the first solenoid valve and the second solenoid valve are all electrically connected to the PLC controller.

[0012] Furthermore, it also includes an air pressure regulating device, which includes an exhaust pipe and an air pressure detection device. The exhaust pipe is arranged on the top of the pool body. A third solenoid valve is arranged on the exhaust pipe. The third solenoid valve is electrically connected to the PLC controller.

[0013] Furthermore, the air pressure detection device is arranged at the top of the pool body, and the air pressure detection device includes an outer shell and an air bag arranged in the outer shell, the air inlet of the air bag is connected to the inner cavity of the pool body, the outer shell is sealed and connected to the pool body, and a pressure sensor is arranged on the top of the outer shell, and the pressure sensor is electrically connected to the PLC controller.

[0014] Furthermore, the one-way valve includes a stopper and a baffle, the baffle is hinged to the upper end of the inner wall of the lower connecting pipe, the stopper is located on the side of the baffle away from the pool body, and when the baffle is perpendicular to the lower connecting pipe, the baffle abuts against the stopper.

[0015] Furthermore, it also includes a display screen, which is electrically connected to the PLC controller.

[0016] Furthermore, a mounting plate is fixedly connected to the outer wall of the pool body, and the water tank is arranged on the mounting plate.

[0017] By adopting the above technical solution, the beneficial effects of the utility model are:

[0018] 1. Potential overflow problems are effectively solved by setting up an anti-overflow device. The purpose of installing the level meter is to monitor the changes in the liquid level in the septic tank and transmit the monitoring results to the PLC controller. When the liquid level in the septic tank reaches the preset threshold, the PLC controller automatically controls the first solenoid valve to close and the second solenoid valve to open, thereby stopping the feed pipe from discharging sewage into the septic tank. At the same time, the sewage flows into the water tank through the upper connecting pipe for temporary storage, thereby preventing sewage from overflowing and improving the practicality of the device.

[0019] 2. By setting up an air pressure regulating device, when the air pressure in the septic tank gradually increases, the airbag will gradually expand. When the air pressure rises to a specific value, the airbag will trigger the pressure sensor, and then transmit the signal to the PLC controller. The PLC controller controls the third solenoid valve to open and discharge the gas in the septic tank, thereby preventing the septic tank from overflowing or even exploding due to excessive air pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 yes Figure 1 Middle AA section view;

[0022] Figure 3 yes Figure 2 Enlarged view of middle B;

[0023] Figure 4 It is a circuit connection schematic diagram of the utility model. DETAILED DESCRIPTION

[0024] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.

[0025] refer to Figures 1 to 4 The present embodiment provides an anti-overflow fiberglass septic tank, comprising a tank body 1 and an anti-overflow device, wherein the tank body 1 is made of fiberglass.

[0026] The left and right sides of the tank body 1 are respectively provided with a feed pipe 101 and a discharge pipe 102, and the feed pipe 101 is provided with a first solenoid valve 2; two partitions 103 are provided in the tank body 1, and the partitions 103 divide the inner cavity of the tank body 1 into three chambers, and the three chambers are a first anaerobic chamber 104, a second anaerobic chamber 105 and a clarification chamber 106 from left to right; a water hole 107 is provided on the partition 103; and a cleaning port 108 is provided on the top of the tank body 1.

[0027] The anti-leakage device includes a water tank 3, a liquid level meter 4, an alarm 5 and a PLC controller 6; the liquid level meter 4 is installed in the first anaerobic chamber 104, and the liquid level meter 4 is a capacitive liquid level meter 4; the alarm 5 is installed on the top of the tank body 1.

[0028] The outer wall of the tank body 1 is fixedly connected with a mounting plate 109, and the water tank 3 is arranged on the mounting plate 109; the water tank 3 is installed on the outer side of the upper part of the first anaerobic chamber 104, and the upper part of the water tank 3 is connected to the tank body 1 through an upper connecting pipe 31, and the lower part of the water tank 3 is connected to the tank body 1 through a lower connecting pipe 32. A second solenoid valve 33 is arranged on the upper connecting pipe 31, and a one-way valve is arranged in the lower connecting pipe 32. The water tank 3 is used to temporarily store part of the sewage. When the water level rises to a certain height, the second solenoid valve 33 is opened, and the sewage flows into the water tank 3 through the upper connecting pipe 31, which effectively prevents the sewage from the septic tank from overflowing and improves the practicality of the device.

[0029] The one-way valve includes a stopper 34 and a baffle 35, wherein the baffle 35 is hinged to the upper end of the inner wall of the lower connecting pipe 32, and the stopper 34 is located on the side of the baffle 35 away from the tank body 1. When the baffle 35 is perpendicular to the lower connecting pipe 32, the baffle 35 abuts against the stopper 34. The one-way valve is set so that the liquid at the lower connecting pipe 32 will only flow from the water tank 3 to the tank body 1. Therefore, when the liquid in the tank body 1 just rises to the lower connecting pipe 32, it will not flow into the water tank 3, and the liquid temporarily stored in the water tank 3 will flow back to the first anaerobic chamber 104 when the liquid level of the tank body 1 is lower than the lower connecting pipe 32.

[0030] It also includes a display screen 7, which is used to display the liquid level status monitored by the liquid level meter 4; the display screen 7, the alarm 5, the liquid level meter 4, the first solenoid valve 2, and the second solenoid valve 33 are all electrically connected to the PLC controller 6.

[0031] The display screen 7, alarm 5, liquid level meter 4, first solenoid valve 2, second solenoid valve 33 and PLC controller 6 are all existing equipment and will not be described in detail here.

[0032] In this specific embodiment, an air pressure regulating device is also included, and the air pressure regulating device includes an exhaust pipe 110 and an air pressure detection device 9. The exhaust pipe 110 is arranged at the top of the pool body 1, and a third electromagnetic valve 8 is arranged on the exhaust pipe 110. The air pressure detection device 9 is arranged at the top of the pool body 1, and the air pressure detection device 9 includes a shell 91 and an air bag 92 arranged in the shell 91, and the air inlet of the air bag 92 is connected to the inner cavity of the pool body 1. The shell 91 is sealed and connected to the pool body 1. A pressure sensor 93 is arranged on the top of the shell 91, and the third electromagnetic valve 8 and the pressure sensor 93 are both electrically connected to the PLC controller 6. The pressure sensor 93 is an existing device and will not be described in detail here. By setting up an air pressure regulating device, when the air pressure in the septic tank gradually increases, the airbag 92 will gradually expand. When the air pressure rises to a specific value, the airbag 92 will trigger the pressure sensor 93, and then transmit the signal to the PLC controller 6. The PLC controller 6 controls the third solenoid valve 8 to open, and discharge the gas in the septic tank, thereby preventing the septic tank from overflowing or even exploding due to excessive air pressure.

[0033] The working principle of the utility model is as follows:

[0034] When the septic tank is blocked, the first anaerobic chamber 104 will overflow first because the sewage moves from the feed pipe 101 to the discharge pipe 102. The liquid level meter 4 monitors the change of the liquid level in the septic tank and transmits the monitoring data to the PLC controller 6. When the liquid level in the septic tank reaches the preset threshold, the PLC controller 6 automatically controls the first solenoid valve 2 to close and the second solenoid valve 33 to open, thereby stopping the feed pipe 101 from discharging sewage into the septic tank. At this time, the sewage flows into the water tank 3 through the upper connecting pipe 31 for temporary storage, thereby preventing the sewage from overflowing. At the same time, the PLC controller 6 controls the alarm 5 and the display to notify the staff to clean up in time. When the liquid level returns to normal and drops below the lower connecting pipe 32, the sewage temporarily stored in the water tank 3 will flow back to the first anaerobic chamber 104 through the one-way valve to continue fermentation. This effectively avoids the overflow of the septic tank and improves the practicality of the device.

[0035] Although the present invention has been specifically demonstrated and described in conjunction with the preferred embodiments, those skilled in the art should understand that various changes may be made to the present invention in form and detail without departing from the spirit and scope of the present invention as defined in the appended claims, all of which are within the scope of protection of the present invention.

Claims

1. A spill-proof fiberglass reinforced plastic septic tank, characterized in that: Including the pool body and anti-overflow device; The left and right sides of the tank body are respectively provided with a feed pipe and a discharge pipe, and the feed pipe is provided with a first solenoid valve; two partitions are provided in the tank body, and the partitions divide the tank body cavity into three chambers, and the three chambers are the first anaerobic chamber, the second anaerobic chamber and the clarification chamber from left to right; the partition is provided with a water hole; and the top of the tank body is provided with a cleaning port; The anti-leakage device includes a water tank, a liquid level gauge, an alarm and a PLC controller; the liquid level gauge is installed in the first anaerobic chamber; the alarm is installed on the top of the tank body; the water tank is installed on the outer side of the upper part of the first anaerobic chamber, the upper part of the water tank is connected to the tank body through an upper connecting pipe, and the lower part of the water tank is connected to the tank body through a lower connecting pipe, a second solenoid valve is provided on the upper connecting pipe, and a one-way valve is provided in the lower connecting pipe; The alarm, the liquid level meter, the first solenoid valve and the second solenoid valve are all electrically connected to the PLC controller.

2. The anti-overflow fiberglass reinforced plastic septic tank according to claim 1, characterized in that: It also includes an air pressure regulating device, which includes an exhaust pipe and an air pressure detection device. The exhaust pipe is arranged on the top of the pool body. A third solenoid valve is arranged on the exhaust pipe. The third solenoid valve is electrically connected to the PLC controller.

3. The anti-overflow glass fiber reinforced plastic septic tank according to claim 2, characterized in that: The air pressure detection device is arranged on the top of the pool body. The air pressure detection device includes an outer shell and an air bag arranged in the outer shell. The air inlet of the air bag is connected to the inner cavity of the pool body. The outer shell is sealed and connected to the pool body. A pressure sensor is arranged on the top of the outer shell, and the pressure sensor is electrically connected to the PLC controller.

4. The anti-overflow fiberglass septic tank according to claim 1, characterized in that: The one-way valve includes a stopper and a baffle, wherein the baffle is hinged to the upper end of the inner wall of the lower connecting pipe, and the stopper is located on the side of the baffle away from the pool body. When the baffle is perpendicular to the lower connecting pipe, the baffle abuts against the stopper.

5. The anti-overflow fiberglass reinforced plastic septic tank according to claim 1, characterized in that: It also includes a display screen, which is electrically connected to the PLC controller.

6. The anti-overflow fiberglass reinforced plastic septic tank according to claim 1, characterized in that: The outer wall of the pool body is fixedly connected with a mounting plate, and the water tank is arranged on the mounting plate.

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