CN113750588B

CN113750588B - Sewage treatment equipment

Info

Publication number: CN113750588B
Application number: CN202110935322.5A
Authority: CN
Inventors: 刘友镇; 张夏炎; 左萍
Original assignee: Jiangsu Yanda Technology Development Co ltd
Current assignee: Jiangsu Yanda Technology Development Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2023-03-28
Anticipated expiration: 2041-08-16
Also published as: CN113750588A

Abstract

The invention discloses sewage treatment equipment which comprises a primary filter tank connected with a sewage discharge pipe and a secondary filter tank connected with the primary filter tank, wherein the primary filter tank and the secondary filter tank are both arranged below the ground, a water inlet pipe of the primary filter tank is provided with a crushing structure for separating solids in sewage, biological rocks for filtering sewage are arranged in the secondary filter tank, and a water discharge pipe is arranged on the secondary filter tank. The invention is quiet, noiseless and low in operation cost; low carbon emission, extremely low annual maintenance amount, extremely low maintenance and operation cost and maximized reliability; has good purifying effect; the water filtered by the biological rock system has good water quality, can be directly discharged to the ground surface or underground water, and can even be effectively utilized for irrigation; the crushing structure can effectively crush sewage at the initial stage of entering, avoids blocking a pipeline and reduces subsequent filtering resistance.

Description

Sewage treatment equipment

Technical Field

The invention relates to a sewage treatment device.

Background

Environmental protection is related to the national civilization and is one of the basic national policies of China. The environment-friendly equipment is a mechanical product, a structure and a system which are manufactured and built by production units or building installation units and used for controlling environmental pollution and improving environmental quality. At present, enterprises for major environmental engineering equipment production in China develop rapidly, a plurality of science and engineering academies also build related major such as environmental engineering in succession, and the design of environmental engineering equipment is essential in the environmental protection process. The pollution source in environmental protection varies, so the equipment used in treatment engineering is even more numerous. Environmental engineering is a new subject developed in recent years, and environmental protection equipment mostly begins to evolve in equipment in the industries of chemical engineering, water treatment, mining and the like. Mainly comprises water pollution treatment equipment, air pollution control equipment and solid waste treatment equipment. The current sewage treatment equipment has high power and energy consumption and does not meet the requirements of realizing sustainable development of national economy and environmental protection and low carbon.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the sewage treatment equipment which is quiet, noiseless and low in operation cost; low carbon emission, extremely low annual maintenance amount, extremely low maintenance and operation cost and maximized reliability; has good purifying effect; the water filtered by the biological rock system has good water quality, can be directly discharged to the ground surface or underground water, and can even be effectively utilized for irrigation; the crushing structure can effectively crush sewage at the initial stage of entering, avoids blocking a pipeline and reduces subsequent filtering resistance.

In order to achieve the purpose, the technical scheme of the invention is to design sewage treatment equipment which comprises a primary filter tank connected with a sewage discharge pipe and a secondary filter tank connected with the primary filter tank, wherein the primary filter tank and the secondary filter tank are both arranged below the ground, a water inlet pipe of the primary filter tank is provided with a crushing structure for separating solids in sewage, biological rocks for filtering sewage are arranged in the secondary filter tank, and a drain pipe is arranged on the secondary filter tank. The biological rock can be selected from diatomite and diatomite, which are rocks composed of biological skeleton. There are strange organisms in the vast ocean, including whales, such as ships, and algae, such as dust. Hundreds of thousands of microorganisms may be contained even in a drop of seawater. The ocean is a world of life multiplication. A diatom live in the sea has extremely small individual size of only 0.03-0.15 mm. The reproductive capacity of the algae is quite remarkable, namely the algae is bred by ten generations, ten generations and hundreds of generations. The deposition of the diatom rock is quite rapid, and the corpses of the diatom can be stacked layer by layer to reach dozens of meters thick as long as tens of thousands of years of time. The diatomite and the diatomite are light, white and tongue-sticking rocks, namely loose rocks consisting of shells after the death of diatoms, bones of partial radiopharmaceuticals, acupuncture of sponges and the like. The color is light yellow, light gray, light tan, etc. The material is light and porous, the specific gravity is 0.4-0.7, the specific gravity is 0.25-1 when the material is dried, the porosity can reach 90-92%, the melting point is 1610-1750 ℃, the material is dark and tarnish like soil, the absorptivity is strong, and the material is adhered to the tongue, and is a typical biological structure. It is brittle and fragile. The fracture is uneven or conchoidal. The mineral component of the diatomite is mainly the shell of the diatomite, and the content can reach 70-80%. Also opal, clay mineral, carbonate, glauconite, quartz, mica, etc. Diatomite is similar to diatomite, but the rock is relatively dense. The water filtered by the biological rock system has good water quality, can be directly discharged to the ground surface or underground water, and can even be effectively utilized for irrigation.

The further technical scheme is that a ventilation pipe is arranged on one side of the secondary filtering tank, an air inlet of the ventilation pipe is positioned on the ground, and an air inlet branch pipe communicated with the upper part of the secondary filtering tank is arranged on the ventilation pipe; and a plurality of layers of filtering sand stone layers are arranged in the first-stage filtering tank.

The further technical scheme is that the water discharge pipe is communicated with the lower part of the ventilation pipe, a pump well for discharging filtered water is arranged on the inner bottom wall of the ventilation pipe, and a water outlet pipe of the pump well penetrates through the ventilation pipe.

The technical scheme is that the biological rock is provided with a plurality of layers which are arranged from top to bottom, the middle part of the ventilation pipe is provided with a middle air inlet branch pipe communicated with the secondary filter tank, and the side surface of the secondary filter tank far away from the ventilation pipe is provided with a ventilation folded pipe.

The crushing structure comprises a rotating shaft fixedly arranged on the inner wall of the water inlet pipe, a metal crushing ball is rotatably arranged on the rotating shaft, crushing spikes are arranged on the surface of the crushing ball, and the rotating shaft is positioned on a chord of the circular section of the water inlet pipe; the sewage discharge pipe is a domestic sewage discharge pipe. The pivot is not located the diameter of inlet tube circular cross-section, also the pivot is not located the middle part of inlet tube, and in sewage entering back like this, the broken ball makes the inlet tube apart from the interval of broken ball when rotating unequal, can avoid the solid of size difference to pass through and block up the condition of inlet tube.

The further technical scheme is that the crushing ball is provided with a large-size spine and a small-size spine, and the large-size spine is arranged on the surface of the crushing ball farther away from the pipe wall of the metal pipe.

The connecting pipe of the second-stage filter tank and the first-stage filter tank is communicated with a flow dividing pipe in the second-stage filter tank, the flow dividing pipe is positioned at the upper part of the second-stage filter tank and is U-shaped, and a plurality of water outlet holes are formed in the flow dividing pipe; the multilayer biological rock is positioned below the shunt pipe.

In addition, a flow control chamber can be arranged between the sewage discharge pipe and the water inlet pipe of the device, the flow control chamber is communicated with the sewage discharge pipe through one water inlet pipe, and at least three water outlet pipes are arranged on the flow control chamber and connected with a plurality of primary filter tanks of the sewage treatment device, so that the treatment of large sewage quantity is realized.

The treatment process of the invention is as follows: domestic sewage enters a primary filter tank through a sewage discharge pipe, a crushing ball keeps a rotating state because sewage flows through a water inlet pipe due to the arrangement of a crushing structure, the sharp spines on the surface of the crushing ball play a role in crushing solids in the sewage, the liquid level in the primary filter tank gradually rises and is filtered by a filtering sand stone layer of the primary filter tank in the process, the liquid flows to a secondary filter tank through a connecting pipe after flowing to the upper part of the primary filter tank, flows to a U-shaped shunt pipe of the secondary filter tank, flows to biological rocks through water outlets on the shunt pipe for secondary filtration, flows to the bottom of the secondary filter tank and flows to a vent pipe, and a pump well arranged at the bottom of the vent pipe discharges water subjected to secondary filtration by a biological rock system; ventilation system has kept the certain air permeability of whole equipment, and the part gets into the secondary filter jar from the ventilation pipe occasionally that natural wind blows, because the ventilation pipe sets up the position higher, consequently does not worry that sewage can flow in from the ventilation pipe, and the ventilation pipe plays fine ventilation effect when there is not sewage.

The invention has the advantages and beneficial effects that: the sewage treatment equipment is quiet, noiseless and low in operation cost; low carbon emission, extremely low annual maintenance amount, extremely low maintenance and operation cost and maximized reliability; has good purifying effect;

the water filtered by the biological rock system has good water quality, can be directly discharged to the ground surface or underground water, and can even be effectively utilized for irrigation;

the crushing structure can effectively crush sewage at the initial stage of entering, avoids blocking a pipeline and reduces subsequent filtering resistance.

The pivot is not located the diameter of inlet tube circular cross-section, also the pivot is not located the middle part of inlet tube, and after sewage got into like this, the broken ball made the inlet tube apart from the interval of broken ball when rotating unequal, can avoid the solid of size difference can't pass through and block up the condition of inlet tube.

Drawings

FIG. 1 is a schematic view of a sewage treatment apparatus of the present invention;

FIG. 2 is a top view of the secondary filter canister of FIG. 1;

fig. 3 is a side view of the shaft portion of fig. 1.

In the figure: 1. a primary filtration tank; 2. a secondary filtration tank; 3. a sewage discharge pipe; 4. a biological rock; 5. a drain pipe; 6. a vent pipe; 7. an air inlet branch pipe; 8. filtering the sandstone layer; 9. a pump well; 10. a water outlet pipe; 11. a middle inlet branch pipe; 12. ventilating and folding the pipe; 13. a rotating shaft; 14. crushing a ball; 15. a shunt tube; 16. and (4) water outlet holes.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 3 (for convenience of illustration, the crushing structure is not shown in fig. 1), the present invention is a sewage treatment apparatus, comprising a primary filtering tank 1 connected to a sewage discharge pipe 3 and a secondary filtering tank 2 connected to the primary filtering tank 1, wherein the primary filtering tank 1 and the secondary filtering tank 2 are both arranged below the ground, a water inlet pipe of the primary filtering tank 1 is provided with a crushing structure for separating solids in sewage, a biological rock 4 for filtering sewage is arranged in the secondary filtering tank 2, and a water discharge pipe 5 is arranged on the secondary filtering tank 2. A ventilation pipe 6 is arranged on one side of the secondary filter tank 2, an air inlet of the ventilation pipe 6 is positioned on the ground, and an air inlet branch pipe 7 communicated with the upper part of the secondary filter tank 2 is arranged on the ventilation pipe 6; a plurality of layers of filtering sand stone layers 8 are arranged in the primary filtering tank 1. The water discharge pipe 5 is communicated with the lower part of the ventilation pipe 6, a pump well 9 for discharging filtered water is arranged on the inner bottom wall of the ventilation pipe 6, and a water outlet pipe 10 of the pump well 9 is arranged through the ventilation pipe 6. The biological rock 4 is provided with a plurality of layers arranged from top to bottom, the middle part of the ventilation pipe 6 is provided with a middle air inlet branch pipe 11 communicated with the secondary filter tank 2, and the side surface of the secondary filter tank 2 far away from the ventilation pipe 6 is provided with a ventilation folded pipe 12. The crushing structure comprises a rotating shaft 13 fixedly arranged on the inner wall of the water inlet pipe, a metal crushing ball 14 is rotatably arranged on the rotating shaft 13, crushing spikes are arranged on the surface of the crushing ball 14, and the rotating shaft 13 is positioned on a chord of the circular section of the water inlet pipe; the sewage discharge pipe 3 is a domestic sewage discharge pipe 3. The crushing ball 14 is provided with a large-size spine and a small-size spine, and the large-size spine is arranged on the surface of the crushing ball 14, which is farther away from the pipe wall of the metal pipe. The connecting pipe of the second-stage filter tank 2 and the first-stage filter tank 1 is communicated with a flow dividing pipe 15 in the second-stage filter tank 2, the flow dividing pipe 15 is positioned at the upper part of the second-stage filter tank 2 and is U-shaped, and a plurality of water outlet holes 16 are formed in the flow dividing pipe 15; the layers of biological rock 4 are located below the shunt tubes 15. Biological rock can pile up and place, also can set up on several layers of perforated plates from top to bottom, and perforated plate fixed connection is on the jar lateral wall of filtering the jar.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A sewage treatment device is characterized by comprising a primary filter tank connected with a sewage discharge pipe and a secondary filter tank connected with the primary filter tank, wherein the primary filter tank and the secondary filter tank are both arranged below the ground, a water inlet pipe of the primary filter tank is provided with a crushing structure for separating solids in sewage, biological rocks for filtering sewage are arranged in the secondary filter tank, and a water discharge pipe is arranged on the secondary filter tank; the biological rock is diatomite or diatomite; a flow control chamber is arranged between the sewage discharge pipe and the water inlet pipe of the equipment, the flow control chamber is communicated with the sewage discharge pipe through one water inlet pipe, and at least three water outlet pipes are arranged on the flow control chamber and are connected with a plurality of primary filter tanks of the sewage treatment equipment; the biological rocks are stacked or arranged on the upper and lower layers of porous plates which are fixedly connected on the side wall of the filtering tank; one side of the secondary filter tank is provided with a ventilation pipe, an air inlet of the ventilation pipe is positioned on the ground, and the ventilation pipe is provided with an air inlet branch pipe communicated with the upper part of the secondary filter tank; a plurality of filtering sand stone layers are arranged in the primary filtering tank; the water outlet pipe is communicated with the lower part of the ventilation pipe, a pump well for discharging filtered water is arranged on the inner bottom wall of the ventilation pipe, and a water outlet pipe of the pump well penetrates through the ventilation pipe; the biological rock is provided with a plurality of layers which are arranged from top to bottom, the middle part of the ventilation pipe is provided with a middle air inlet branch pipe communicated with the secondary filter tank, and the side surface of the secondary filter tank far away from the ventilation pipe is provided with a ventilation folded pipe.

2. The sewage treatment device according to claim 1, wherein the crushing structure comprises a rotating shaft fixedly arranged on the inner wall of the water inlet pipe, a metal crushing ball is rotatably arranged on the rotating shaft, crushing spines are arranged on the surface of the crushing ball, and the rotating shaft is arranged on a chord of the circular section of the water inlet pipe; the sewage discharge pipe is a domestic sewage discharge pipe.

3. The sewage treatment apparatus according to claim 2, wherein the crushing ball is provided with large-size spikes and small-size spikes, and the large-size spikes are provided at a surface of the crushing ball which is farther from the wall of the metal pipe.

4. The sewage treatment device according to claim 3, wherein the connecting pipe of the second-stage filtering tank and the first-stage filtering tank is communicated with a flow dividing pipe in the second-stage filtering tank, the flow dividing pipe is positioned at the upper part of the second-stage filtering tank and is U-shaped, and a plurality of water outlet holes are formed in the flow dividing pipe; the layers of biological rock are positioned below the shunt tubes.