CN107986475A - A kind of simple easily sewage disposal system - Google Patents

Abstract

The invention discloses a simple and convenient sewage treatment system, which relates to the technical field of sewage treatment in diesel engine production enterprises, and mainly includes a pretreatment pool, a sewage treatment pool, a first connecting pipe, a second connecting pipe, an electrolytic micro-nano bubble generator, etc. . The sewage treatment system of the present invention uses targeted design treatment devices with different densities of water, engine oil and diesel to simplify the complexity and reduce construction, use and maintenance costs. Driven by micro-nano bubbles and filtered twice, the treatment effect of sewage is good .

Description

A simple and convenient sewage treatment system

technical field

The invention relates to the technical field of sewage treatment for diesel engine production enterprises, in particular to a simple and convenient sewage treatment system.

Background technique

Sewage treatment is a variety of economical, reasonable, scientific and effective processes for urban domestic sewage and industrial wastewater. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, and catering. At present, the output of oily sewage is large and involves a wide range, such as oil fields, power stations, shipping, vehicle cleaning, machinery manufacturing, food processing, etc., will produce oily sewage. At present, the technologies for oil-water separation are relatively mature, and commonly used methods include gravity separation, air flotation, coarse-graining, filtration, adsorption, ultrasonic, etc., and new oil removal technologies are still being researched and developed. The sewage produced by diesel engine manufacturers mainly contains two kinds of oil pollution, diesel oil and engine oil. The existing oil-water separation method not only has unsatisfactory oil removal effect, but also has a series of problems such as the oily sewage treatment device occupies a large area, the structure is relatively complicated, the operation is cumbersome, and the operation cost is high. How to design a simple and convenient sewage treatment system with low construction and use costs and good oil removal effect for the sewage of diesel engine production enterprises is the technical problem to be solved by the present invention.

Contents of the invention

The invention aims at the deficiencies of the prior art, and provides a simple and convenient sewage treatment system aimed at the construction and use of diesel engine production enterprise sewage with low cost and good oil pollution removal effect.

The present invention realizes solving above-mentioned technical problem by following technical means:

A simple and convenient sewage treatment system, including a pretreatment pool and a sewage treatment pool, the pretreatment pool is arranged on the left side of the sewage treatment pool, and a first water outlet is provided between the pretreatment pool and the sewage treatment pool, so The first partition, the second partition and the third partition are arranged in the pretreatment pool, and the first partition, the second partition and the third partition are arranged in sequence from left to right, and the first partition , the second partition and the third partition divide the pretreatment pool into four pretreatment sub-pools, and the first partition, the second partition and the third partition are respectively provided with a second water outlet, a third The water outlet and the fourth water outlet, the second water outlet, the third water outlet and the fourth water outlet are all equipped with filter screens, the sewage treatment tank is provided with a fourth partition and a fifth partition, the The fourth partition is located on the left side of the fifth partition. The fourth partition and the fifth partition divide the sewage treatment pool into three sewage treatment sub-pools. A sewage treatment sub-pool, a second sewage treatment sub-pool and a third sewage treatment sub-pool, the bottom of the first sewage treatment sub-pool is equipped with an electrolytic micro-nano bubble generator, the fourth partition and the fifth partition A first connecting pipe and a second connecting pipe are respectively installed on the top, and a water pump is installed in the third sewage treatment sub-tank.

Preferably, in the simple and convenient sewage treatment system described above, the top surface of the pretreatment pool is flush with the ground, the top surface of the sewage treatment pool is higher than the ground, and the bottom of the pretreatment pool is lower than The bottom of the sewage treatment pond.

Preferably, in the above-mentioned simple and convenient sewage treatment system, the size of the filter holes of the filter screens on the second water inlet, the third water outlet and the fourth water inlet becomes smaller in turn.

Preferably, in the above-mentioned simple and convenient sewage treatment system, the upper end of the first connecting pipe is located in the second sewage treatment sub-pool, the lower end of the first connecting pipe is located in the first sewage treatment sub-pool, and the first The upper end of the two connecting pipes is located in the third sewage treatment sub-pool, the lower end of the second connecting pipe is located in the second sewage treatment sub-pool, the lower end of the first connecting pipe and the lower end of the second connecting pipe are located on the same horizontal plane, so The upper end of the first connecting pipe is higher than the upper end of the second connecting pipe, and the upper end of the first connecting pipe is lower than the first water outlet.

Preferably, in the simple and convenient sewage treatment system, a water level gauge is installed in the first sewage treatment sub-tank.

The advantages of the present invention are: the sewage treatment system of the present invention utilizes targeted design treatment devices with different densities of water, engine oil and diesel oil, simplifying complexity, reducing construction, use and maintenance costs, driven by micro-nano bubbles and filtered twice , The sewage treatment effect is good.

Further, the top surface of the pretreatment tank is flush with the ground, which facilitates the discharge of sewage during the production process into the pretreatment tank, and the top surface of the sewage treatment tank is higher than the ground to prevent sewage or other dirt during the production process from being directly discharged into the pretreatment tank. Sewage treatment ponds affect the effect of sewage treatment.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

A simple and convenient sewage treatment system, including a pretreatment pool 1 and a sewage treatment pool 2, the pretreatment pool 1 is set on the left side of the sewage treatment pool 2, and the pretreatment pool 1 and the sewage treatment pool 2 are arranged There is a first water outlet 3, and the first partition 4, the second partition 5 and the third partition 6 are arranged in the pretreatment tank 1, and the first partition 4, the second partition 5 and the third partition The partitions 6 are arranged successively from left to right, and the first partition 4, the second partition 5 and the third partition 6 divide the pretreatment pool into four pretreatment sub-pools, and the first partition 4, The second partition 5 and the third partition 6 are respectively provided with a second water outlet 7, a third water outlet 8 and a fourth water outlet 9, the second water outlet 7, the third water outlet 8 and the fourth water outlet A filter screen 10 is installed on the water outlet 9, a fourth dividing plate 11 and a fifth dividing plate 12 are arranged in the sewage treatment tank 2, and the fourth dividing plate 11 is located on the left side of the fifth dividing plate 12. The fourth partition 11 and the fifth partition 12 divide the sewage treatment pool 2 into three sewage treatment sub-pools, and the three sewage treatment sub-pools are respectively the first sewage treatment sub-pool 13 and the second sewage treatment sub-pool from left to right. Pool 14 and the third sewage treatment sub-pool 15, the bottom of the first sewage treatment sub-pool 12 is equipped with an electrolytic micro-nano bubble generator 16, and the fourth partition 11 and the fifth partition 12 are respectively equipped with the first A connecting pipe 17 and a second connecting pipe 18. A water pump 19 is installed in the third sewage treatment sub-tank 15.

The sewage generated by the diesel engine manufacturing enterprise first enters the pretreatment tank, and most of the particulate pollutants are filtered out through multi-stage filtration in the pretreatment tank. The filtered sewage enters the sewage treatment tank, and the oil and water are separated in the sewage treatment tank. , engine oil and diesel oil float on the water surface, and at the same time, the micro-nano bubbles produced by the electrolytic micro-nano bubble generator, the micro-nano bubbles can bring the oil and unfiltered particle pollutants to the water surface, improving the water-oil stratification effect and The filtering effect of solid pollutants is excellent, and the oil pollution removal effect is good through the two layers of the first sewage treatment sub-pool and the second sewage treatment sub-pool. The sewage treatment system of the present invention uses targeted design treatment devices with different densities of water, engine oil and diesel oil to simplify the complexity and reduce the cost of construction, use and maintenance. Driven by micro-nano bubbles and filtered twice, the treatment effect of sewage is good .

Preferably, the top surface of the pretreatment pond 1 is flush with the ground, the top surface of the sewage treatment pond 2 is higher than the ground, and the bottom of the pretreatment pond 1 is lower than the bottom of the sewage treatment pond 2 .

The top surface of the pretreatment tank is flush with the ground, which is convenient to discharge the sewage in the production process into the pretreatment tank, and the top surface of the sewage treatment tank is higher than the ground to prevent the sewage or other pollutants in the production process from being directly discharged into the sewage treatment The pool will affect the effect of sewage treatment.

Preferably, the size of the filter holes of the filter screen 10 on the second water outlet 7 , the third water outlet 8 and the fourth water outlet 9 becomes smaller in turn.

The size of the filter holes of the filter screens on the second water outlet, the third water outlet and the fourth water outlet becomes smaller successively. By gradually reducing the size of the filter screen filter holes, various particulate pollutants are gradually filtered out to improve the filtering effect.

Preferably, the upper end of the first connecting pipe 17 is located in the second sewage treatment sub-pool 14, the lower end of the first connecting pipe 17 is located in the first sewage treatment sub-pool 13, and the upper end of the second connecting pipe 18 Located in the third sewage treatment sub-pool 15, the lower end of the second connecting pipe 18 is located in the second sewage treatment sub-pool 14, and the lower end of the first connecting pipe 17 and the lower end of the second connecting pipe 18 are located on the same horizontal plane , the upper end of the first connecting pipe 17 is higher than the upper end of the second connecting pipe 18 , and the upper end of the first connecting pipe 17 is lower than the first water outlet 3 .

Set the lower ends of the first connecting pipe and the second connecting pipe at the water inlet to prevent the upper layer of oil from entering the first connecting pipe and the second connecting pipe and improve the filtering effect; the upper end of the first connecting pipe is higher than the upper end of the second connecting pipe , the upper end of the first connecting pipe is lower than the first water outlet, which can ensure that the sewage flows into the second sewage treatment sub-pool and the third sewage treatment sub-pool in turn.

Preferably, a water level gauge 20 is installed in the first sewage treatment sub-tank 13 .

The setting of the water level gauge is convenient for observing the water level in the sewage treatment tank.

The sewage treatment system of the present invention uses targeted design treatment devices with different densities of water, engine oil and diesel oil to simplify the complexity and reduce the cost of construction, use and maintenance. Driven by micro-nano bubbles and filtered twice, the treatment effect of sewage is good ; Further, the top surface of the pretreatment tank is flush with the ground to facilitate the discharge of sewage in the production process into the pretreatment tank, and the top surface of the sewage treatment tank is higher than the ground to prevent direct discharge of sewage or other dirt in the production process into the sewage treatment tank and affect the effect of sewage treatment.

It should be noted that in this article, if there are relational terms such as first and second, etc., they are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations Any such actual relationship or order exists between. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be described in the foregoing embodiments Modifications are made to the recorded technical solutions, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (5)

1. A kind of 1. simple easily sewage disposal system, it is characterised in that：Including pretreatment pool and treatment tank, the pre- place Reason pond is arranged at the left side for the treatment of tank, and first is provided between the pretreatment tank and treatment tank and crosses the mouth of a river, described Be provided with first partition, second partition and the 3rd partition plate in pretreatment pool, the first partition, second partition and the 3rd partition plate from Left-to-right is set gradually, and pretreatment pool is divided into four pretreatment subpools by the first partition, second partition and the 3rd partition plate, The second mouth of a river, the 3 excessively is respectively arranged with the first partition, second partition and the 3rd partition plate and crosses the mouth of a river and the 4th mistake mouth of a river, Described second mouth of a river excessively of the mouth of a river, the 3rd and the 4th excessively is fitted with filter screen on the mouth of a river excessively, is provided with the treatment tank 4th partition plate and the 5th partition plate, the 4th partition plate are located at the left side of the 5th partition plate, and the 4th partition plate and the 5th partition plate are by dirt Water treating pond is separated into three sewage disposal subpools, and three sewage disposal subpools are respectively the first sewage disposal from left to right Pond, the second sewage disposal subpool and the 3rd sewage disposal subpool, it is micro- that the bottom of the first sewage disposal subpool is provided with electrolysis Nano-bubble generator, is separately installed with the first connecting tube and the second connecting tube on the 4th partition plate and the 5th partition plate, described Water pump is installed in 3rd sewage disposal subpool.
2. A kind of 2. simple easily sewage disposal system according to claim 1, it is characterised in that：The pretreatment tank Top surface is concordant with ground, and the top surface of the treatment tank is above ground level, and the bottom of pond of the pretreatment tank is less than treatment tank Bottom of pond.
3. A kind of 3. simple easily sewage disposal system according to claim 1, it is characterised in that：Described second crosses water The mouth of a river excessively of mouth, the 3rd and the 4th filter opening size for crossing filter screen on the mouth of a river diminish successively.
4. A kind of 4. simple easily sewage disposal system according to claim 1, it is characterised in that：First connecting tube Upper end be located in the second sewage disposal subpool, the lower end of first connecting tube is located in the first sewage disposal subpool, described The upper end of second connecting tube is located in the 3rd sewage disposal subpool, and the lower end of second connecting tube is located at the second sewage disposal In pond, the lower end of first connecting tube and the lower end of the second connecting tube are located in same level, first connecting tube Upper end is higher than the upper end of the second connecting tube, and the upper end of first connecting tube crosses the mouth of a river less than first.
5. A kind of 5. simple easily sewage disposal system according to claim 1, it is characterised in that：First sewage Water-level gauge is installed in processing subpool.