CN211864159U

CN211864159U - Industrial wastewater treatment device

Info

Publication number: CN211864159U
Application number: CN202020238745.2U
Authority: CN
Inventors: 韩正奇; 赵会岩; 赵海林
Original assignee: Shandong Jingheng Technology Co ltd
Current assignee: Shandong Jingheng Technology Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-11-06
Anticipated expiration: 2030-03-02

Abstract

The utility model relates to an industrial wastewater treatment device belongs to industrial wastewater treatment device technical field. The upper end of the tank body of the settling tank is provided with a water inlet pipe, the lower end of the tank body is provided with a water outlet pipe, the bottom of the settling tank is provided with a settling hopper with an inverted circular truncated cone shape, and the water inlet pipe, the water outlet pipe and the settling hopper are sequentially provided with a water inlet valve, a water outlet valve and a slag discharge valve; a tank cover is covered above the tank body, the cylinder is installed on the tank cover, and the end part of a telescopic rod of the cylinder is fixedly connected with a sieve plate positioned below the tank cover; the filter element is lapped in the shell of the filter tank; two valves are arranged on a pipeline for communicating the settling tank and the filtering tank, one valve is a water outlet valve close to the settling tank, and the other valve is close to the inlet of the filtering tank. The beneficial technical effects are as follows: when the utility model is used for industrial wastewater treatment, the settling time can be shortened, and the existence of the sieve plate can ensure good settling effect, so that the filter element in the filter tank is more durable; the multiple settling tanks and the multiple filtering tanks are communicated with each other, so that the replacement operation is realized, and the wastewater treatment process is not interrupted.

Description

Industrial wastewater treatment device

Technical Field

The utility model relates to an industrial wastewater treatment device technical field, in particular to industrial wastewater treatment device.

Background

The industrial wastewater comprises production wastewater, production sewage and cooling water, and refers to wastewater and waste liquid generated in the industrial production process, wherein the wastewater and the waste liquid contain industrial production materials, intermediate products, byproducts and pollutants generated in the production process, which are lost along with water. The industrial wastewater has various types and complex components. For example, the waste water from electrolytic salt industry contains mercury, the waste water from heavy metal smelting industry contains various metals such as lead and cadmium, the waste water from electroplating industry contains various heavy metals such as cyanide and chromium, the waste water from petroleum refining industry contains phenol, and the waste water from pesticide manufacturing industry contains various pesticides. Because industrial wastewater contains various toxic substances and pollutes the environment, the environment is harmful to human health, so that the industrial wastewater is developed to be comprehensively utilized and turn the harmful into the beneficial, and can be discharged after being treated by adopting corresponding purification measures according to the components and the concentration of pollutants in the wastewater.

In the primary treatment of industrial wastewater, common physical methods include sedimentation, filtration and adsorption, and the like, wherein the sedimentation process requires long time; and the filter core can hold back particulate matter in filtering the absorption, and the filter core needs often to be changed, the consumption is great. In addition, along with industrial production, industrial wastewater is continuously generated, treatment equipment of the industrial wastewater needs to be replaced, and the treatment process cannot be interrupted.

SUMMERY OF THE UTILITY MODEL

The utility model provides an industrial wastewater treatment device, which solves the technical problem.

The technical scheme is that the industrial wastewater treatment device comprises a settling tank and a filtering tank, wherein the upper end of the tank body of the settling tank is provided with a water inlet pipe, the lower end of the tank body is provided with a water outlet pipe, the bottom of the tank body is provided with a settling hopper with an inverted frustum shape, and the water inlet pipe, the water outlet pipe and the settling hopper are sequentially provided with a water inlet valve, a water outlet valve and a slag discharge valve; a tank cover is covered above the tank body, the cylinder is installed on the tank cover, and the end part of a telescopic rod of the cylinder is fixedly connected with a sieve plate positioned below the tank cover;

the filter element is lapped in the shell of the filter tank;

two valves are arranged on a pipeline for communicating the settling tank and the filtering tank, one valve is a water outlet valve close to the settling tank, and the other valve is close to the inlet of the filtering tank.

Further, there are a plurality of settling tanks and a plurality of filtering tanks.

Further, the settling tank is provided with a first settling tank, a second settling tank and a third settling tank; the filter tank is provided with a first filter tank and a second filter tank; the first settling tank, the second settling tank and the third settling tank are respectively communicated with the first filtering tank and the second filtering tank through pipelines;

a first valve, a second valve and a third valve are sequentially arranged on the water inlet pipes of the first settling tank, the second settling tank and the third settling tank; a fourth valve, a fifth valve and a sixth valve are sequentially arranged on the water outlet pipes of the first settling tank, the second settling tank and the third settling tank; a seventh valve and an eighth valve are sequentially arranged on the inlet pipes of the first filtering tank and the second filtering tank; and a ninth valve and a tenth valve are sequentially arranged on the outlet pipes of the first filtering tank and the second filtering tank.

Furthermore, the sieve plate is a double-layer steel sieve plate, and the aperture of the sieve mesh on the upper layer is smaller than that of the sieve mesh on the lower layer. The sieve plate mainly functions in filtering and intercepting particles in the industrial wastewater and has good durability.

In the utility model, a movable sieve plate is arranged in the settling tank, the upper end of the tank body of the settling tank is provided with a water inlet pipe, the lower end of the tank body of the settling tank is provided with a water outlet pipe, the sieve plate is lifted up to be higher than the water inlet pipe, then the water inlet valve is opened, and wastewater flows into the settling tank, namely the sieve plate does not work when water enters; standing and settling for a period of time, lowering the sieve plate to a position lower than the water outlet pipe through the air cylinder, pumping water in the settling tank into the filter tank for further treatment, intercepting part of particles in the industrial wastewater in a settling hopper below the sieve plate, and directly opening the slag discharge valve to discharge the particles. The aperture of the sieve plate is selected according to the situation of the particles in the industrial wastewater to be treated, the aperture of the sieve plate is smaller than the diameter of more than half of the particles, and a plurality of particles are intercepted; when the waste water is not much, the settling time is sufficient, and when the waste water to be treated is more, the settling time is not sufficient, and the existence of the sieve plate can ensure a good settling effect. And when the sieve plate in the settling tank works, the flow direction of water is from bottom to top, and the particles fall naturally under the action of gravity without blocking the sieve plate.

Compared with the prior art, the utility model discloses a beneficial technological effect:

1) when the utility model is used for industrial wastewater treatment, the settling time can be shortened, and the existence of the sieve plate can ensure good settling effect;

2) the filter tank is connected behind the settling tank, and through the settling action of the settling tank, particulate matters in the wastewater are greatly reduced, so that a filter element in the filter tank is more durable, the replacement times are reduced, the cost is reduced, and the working efficiency is improved;

3) a plurality of settling tanks and a plurality of filter tanks are communicated with each other, and when a certain settling tank or filter tank needs to be maintained, the settling tank or filter tank is replaced, so that the completeness and the smoothness of the wastewater treatment process can be still ensured.

Drawings

FIG. 1 is a schematic view of an industrial wastewater treatment apparatus according to the present invention;

FIG. 2 is a schematic view of the settling tank of the present invention in a water inlet state;

FIG. 3 is a schematic view of the settling tank in the water outlet state of the present invention;

fig. 4 is a schematic structural view of the middle filtering tank of the present invention.

Description of reference numerals:

1. the device comprises a first settling tank, a second settling tank, a third settling tank, a fourth settling tank, a third filter tank, a fourth filter tank, a fifth filter tank, a sixth filter tank, a fourth valve, a sixth valve, a seventh valve, a sixth valve, a seventh valve, a eighth valve, a fifth valve, a ninth valve, a sixth valve, a tenth valve, a tank body, a 17, a water inlet pipe, a 18, a water outlet pipe, a 19, a settling hopper, a 20, a tank cover, a 21, a cylinder, a 22, a sieve plate, a 23, a water inlet valve, a 24, a water outlet valve, a 25.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:

it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit elements that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Referring to fig. 1-4, an industrial wastewater treatment device comprises a settling tank and a filter tank, wherein the upper end of a tank body 16 of the settling tank is provided with a water inlet pipe 17, the lower end of the tank body is provided with a water outlet pipe 18, the bottom of the tank body is provided with a settling hopper 19 with an inverted frustum shape, and a water inlet valve 23, a water outlet valve 24 and a slag discharge valve 25 are sequentially arranged on the water inlet pipe 17, the water outlet pipe 18 and the settling hopper 19; a tank cover 20 is covered above the tank body 16, an air cylinder 21 is installed on the tank cover 20, and the end part of an expansion link of the air cylinder 21 is fixedly connected with a sieve plate 22 positioned below the tank cover 20;

the filter element 27 is lapped in the shell 26 of the filter tank;

two valves are arranged on the pipeline for communicating the settling tank and the filtering tank, one is a water outlet valve 24 close to the settling tank, and the other is close to the inlet of the filtering tank.

There are a plurality of settling tanks and a plurality of filtering tanks. The settling tank is provided with a first settling tank 1, a second settling tank 2 and a third settling tank 3; the filter tank is provided with a first filter tank 4 and a second filter tank 5; the first settling tank 1, the second settling tank 2 and the third settling tank 3 are respectively communicated with the first filtering tank 4 and the second filtering tank 5 through pipelines;

a first valve 6, a second valve 7 and a third valve 8 are sequentially arranged on the water inlet pipes of the first settling tank 1, the second settling tank 2 and the third settling tank 3; a fourth valve 9, a fifth valve 10 and a sixth valve 11 are sequentially arranged on the water outlet pipes of the first settling tank 1, the second settling tank 2 and the third settling tank 3; a seventh valve 12 and an eighth valve 13 are sequentially arranged on the inlet pipes of the first filtering tank 4 and the second filtering tank 5; and a ninth valve 14 and a tenth valve 15 are sequentially installed on the outlet pipes of the first filtering tank 4 and the second filtering tank 5.

The sieve plate 22 is a double-layer steel sieve plate, and the aperture of the upper layer sieve mesh is smaller than that of the lower layer sieve mesh. The sieve plate 22 mainly functions to filter and intercept particulate matters in the industrial wastewater and has good durability.

In the utility model, a movable sieve plate 22 is arranged in the settling tank, a water inlet pipe 17 is arranged at the upper end of a tank body 16 of the settling tank, a water outlet pipe 18 is arranged at the lower end of the tank body, the sieve plate 22 is lifted up to be higher than the water inlet pipe 17, then a water inlet valve 23 is opened, wastewater flows into the settling tank, namely the sieve plate 22 does not work when water is fed; standing and settling for a period of time, lowering a sieve plate 22 to a position lower than a water outlet pipe 18 through a cylinder 21, pumping water in a settling tank into a filter tank for further treatment, intercepting part of particles in the industrial wastewater in a settling hopper 19 below the sieve plate 22, and directly opening a slag discharge valve 25 to discharge the particles. The aperture of the sieve plate 22 is selected according to the situation of the particles in the industrial wastewater to be treated, the aperture of the sieve plate is smaller than the diameter of more than half of the particles, and a plurality of particles are intercepted; when the waste water is not much, the settling time is sufficient, and when the waste water to be treated is much, the settling time is insufficient, and the existence of the sieve plate 22 can ensure a good settling effect. Moreover, when the sieve plate 22 in the settling tank works, the flow direction of water is from bottom to top, and the particles fall naturally under the action of gravity without blocking the sieve plate 22.

The filtering tank is connected behind the settling tank, so that a good treatment effect is achieved; wherein, through the settlement effect of settling cask, particulate matter significantly reduces in the waste water for filter element in the jar is more durable, reduces the change number of times, reduce cost and improvement work efficiency. A plurality of settling tanks and a plurality of filter tanks are communicated with each other, and when a certain settling tank or filter tank needs to be maintained, the settling tank or filter tank is replaced, so that the completeness and the smoothness of the wastewater treatment process can be still ensured.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.

Claims

1. An industrial wastewater treatment device, which comprises a settling tank and a filtering tank and is characterized in that,

a water inlet pipe (17) is arranged at the upper end of a tank body (16) of the settling tank, a water outlet pipe (18) is arranged at the lower end of the tank body, a settling hopper (19) with the bottom in an inverted circular truncated cone shape is arranged at the bottom of the tank body, and a water inlet valve (23), a water outlet valve (24) and a slag discharge valve (25) are sequentially arranged on the water inlet pipe (17), the water outlet pipe (18) and the settling hopper; a tank cover (20) is covered above the tank body (16), an air cylinder (21) is installed on the tank cover (20), and the end part of an expansion link of the air cylinder (21) is fixedly connected with a sieve plate (22) positioned below the tank cover (20);

the filter element (27) is lapped in the shell (26) of the filter tank;

two valves are arranged on a pipeline for communicating the settling tank and the filtering tank, one valve is a water outlet valve (24) close to the settling tank, and the other valve is close to the inlet of the filtering tank.

2. The industrial wastewater treatment apparatus according to claim 1, wherein there are a plurality of settling tanks and a plurality of filtering tanks.

3. An industrial wastewater treatment plant according to claim 1, characterized in that the settling tank has a first settling tank (1), a second settling tank (2) and a third settling tank (3); the filter tank is provided with a first filter tank (4) and a second filter tank (5); the first settling tank (1), the second settling tank (2) and the third settling tank (3) are respectively communicated with the first filtering tank (4) and the second filtering tank (5) through pipelines;

a first valve (6), a second valve (7) and a third valve (8) are sequentially arranged on the water inlet pipes of the first settling tank (1), the second settling tank (2) and the third settling tank (3); a fourth valve (9), a fifth valve (10) and a sixth valve (11) are sequentially arranged on the water outlet pipes of the first settling tank (1), the second settling tank (2) and the third settling tank (3); a seventh valve (12) and an eighth valve (13) are sequentially arranged on the inlet pipes of the first filtering tank (4) and the second filtering tank (5); and a ninth valve (14) and a tenth valve (15) are sequentially arranged on the outlet pipes of the first filtering tank (4) and the second filtering tank (5).

4. An apparatus for treating industrial waste water according to claim 1, wherein the screen plate (22) is a double-layer steel screen plate, and the mesh size of the upper layer is smaller than that of the lower layer.