CN212864316U

CN212864316U - Waste water collecting equipment for steel plant

Info

Publication number: CN212864316U
Application number: CN202021203420.7U
Authority: CN
Inventors: 谭若岚
Original assignee: Hunan Ly Steel Engineering Technology Co ltd
Current assignee: Hunan Ly Steel Engineering Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-04-02
Anticipated expiration: 2030-06-24

Abstract

The utility model provides a waste water collecting device is used in steel mill belongs to waste water processing technology field, including cell body subassembly and filtering component, the bottom pond is installed in the bottom of collecting pit, and the sedimentation tank sets up in one side of collecting pit, and first pond, the second of stewing stew the pond and the third pond of stewing set up respectively among the bottom pond, and the sill set up in the second stew the pond and the third is stew in the pond, and the water inlet link up and sets up in sedimentation tank one side, and the department in the middle of the inner wall of collecting pit is seted up in the pond limit groove. Through setting up inorganic adsorbed layer and foundation pit in the device, inorganic adsorbed layer carries out the preliminary physical adsorption of realization to waste water, make its inside heavy metal harmful substance carry out effectual absorption and break away from, the inside second of foundation pit is stood the pond and is stood the pond inside with the third and all be provided with the sill, and the successive layer risees, the sill that the successive layer risees makes the further filtration of can going forward when playing inside the sediment in foundation pit, effectively reduced harmful substance's existence, be applicable to the production and the use of waste water collecting equipment for the steel mill.

Description

Waste water collecting equipment for steel plant

Technical Field

The utility model relates to a waste water processing technology field specifically is a collecting device.

Background

Steel is often referred to as ferrous metal and is divided into pig iron, wrought iron and steel. Because of the difference of the production process, the source and the property of the waste water are different, and the waste water is divided into iron-making plant waste water, steel-making plant waste water and steel-rolling plant waste water, the blast furnace gas washing water has large water quantity and also contains a small amount of highly toxic fluoride, and because the water quantity is large, the fluoride in the waste water is removed by adopting a chemical treatment method or a biochemical method, which is not very reasonable, so that a sedimentation tank is generally adopted to remove suspended matters, and then clear water is recycled for the washing of the blast furnace gas, but the banyan decomposition salt content in the water after each washing is increased, namely the hardness of circulating water is increased, so-called 'softening' and other treatments, namely 'water quality stabilizing treatment' must be continuously carried out on the circulating water to prevent scaling, the structure of the existing waste water collecting tank is simple, although the industrial waste water containing heavy metal can be further treated to further reduce the part harmful to the environment in, however, most heavy metals in the wastewater still exist, so that the heavy metals still have great harm to the environment, and therefore, the wastewater collection equipment for the steel plant is required to be upgraded and modified on the basis of the existing wastewater collection equipment device so as to overcome the existing problems and disadvantages.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at in solving current waste water collecting pit simple structure, though can carry out further processing with the industrial waste water who contains the heavy metal for the harmful part of environment further reduces in the waste water, but the technical problem that most heavy metal still exists in the waste water provides a steel mill and uses waste water collecting device.

In order to achieve the above object, the utility model provides a following technical scheme: a steel plant wastewater collecting device comprises a pool body assembly and a filtering assembly, wherein the filtering assembly is arranged inside the pool body assembly;

the pool body component comprises a collecting pool, a sedimentation pool, a bottom pool, a first standing pool, a second standing pool, a third standing pool, a bottom platform, a water inlet and a pool edge groove, wherein the bottom pool is arranged at the bottom of the collecting pool, the sedimentation pool is arranged at one side of the collecting pool, the first standing pool, the second standing pool and the third standing pool are respectively arranged in the bottom pool, the bottom platform is arranged in the second standing pool and the third standing pool, the water inlet is arranged at one side of the sedimentation pool in a penetrating way, and the pool edge groove is arranged at the middle of the inner wall of the collecting pool;

filter assembly includes inorganic adsorbed layer, the baffle, leak the net, external pipe, the filter screen layer, the suction pump, drinking-water pipeline and sealing strip, the installation of inorganic adsorbed layer sets up department in the middle of the inside of collecting pit, baffle swing joint is among the cell body in pool side groove, sealing strip fixed connection is in the both sides of baffle, leak the net and install in the cell body top of sedimentation tank, external union coupling is in the bottom of leaking the net and link up the collecting pit outside, the filter screen layer is installed in the first pond of stewing, the second is stood between the cell body in pond and the third pond of stewing, the suction pump is installed in the collecting pit outside and is stood the pond by the suction pipe connection third.

As a further aspect of the present invention: one end in the collecting tank is a sedimentation tank, and the other end is symmetrically arranged for the flowing tank body.

As a further aspect of the present invention: the center of the flowing pool body in the collecting pool is provided with a water inlet in a through way.

As a further aspect of the present invention: the water inlet is connected with the first standing pool at the bottom in a penetrating way.

As a further aspect of the present invention: and bottom platforms are arranged in the second standing pool and the third standing pool and are lifted layer by layer.

As a further aspect of the present invention: the pool side groove and the sealing strip are in plug-in connection with each other.

As a further aspect of the present invention: the inorganic adsorption layer is movably and detachably connected in the collecting tank and comprises a zeolite layer, a diatomite layer and a kaolin layer.

The utility model has the advantages that:

1. the utility model discloses in set up pond limit groove and sealing strip, each other is plug-in connection between pond limit groove and the sealing strip for separate among the collecting pit between sedimentation tank and the opposite side cell body, and can carry out effectual sediment after pond limit groove and sealing strip make the sedimentation tank form independent cell body.

2. This kind of waste water collecting equipment for steel mill's advantage lies in being provided with inorganic adsorbed layer, and inorganic adsorbed layer movable disassembly connects among the collecting pit, and inorganic adsorbed layer includes zeolite layer, diatomaceous earth layer and kaolin layer, realizes preliminary physical adsorption to waste water for its inside heavy metal is harmful carries out effectual absorption and breaks away from, can carry out convenient nimble change.

3. This kind of waste water collecting equipment for steel mill is provided with the bottom pond, and the bottom pond is inside including the first pond of stewing, the second pond of stewing and the third pond of stewing that stews, and the second is stood the pond and is all provided with the sill with the third pond inside of stewing to the successive layer risees, and the sill that the successive layer risees makes the bottom pond can further carry out further filtration when playing inside the sediment, the effectual existence that reduces harmful substance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the whole internal structure of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic view of the baffle structure of the present invention.

Fig. 4 is a schematic view of the structure of the screen of the present invention.

In FIGS. 1-4: 1-a collection pool, 2-an inorganic adsorption layer, 3-a baffle, 4-a screen, 5-an external connecting pipe, 6-a sedimentation tank, 7-a bottom pool, 8-a first standing pool, 9-a filter screen layer, 10-a second standing pool, 11-a third standing pool, 12-a bottom platform, 13-a water pump, 14-a water pumping pipeline, 15-a water inlet, 16-a pool edge groove and 17-a sealing strip.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a steel plant wastewater collecting apparatus includes a tank assembly and a filtering assembly, wherein the filtering assembly is installed inside the tank assembly;

the pool body component comprises a collecting pool 1, a sedimentation pool 6, a bottom pool 7, a first standing pool 8, a second standing pool 10, a third standing pool 11, a bottom platform 12, a water inlet 15 and a pool edge groove 16, wherein the bottom pool 7 is arranged at the bottom of the collecting pool 1, the sedimentation pool 6 is arranged at one side of the collecting pool 1, the first standing pool 8, the second standing pool 10 and the third standing pool 11 are respectively arranged in the bottom pool 7, the bottom platform 12 is arranged in the second standing pool 10 and the third standing pool 11, the water inlet 15 is arranged at one side of the sedimentation pool 6 in a penetrating way, and the pool edge groove 16 is arranged at the middle of the inner wall of the collecting pool 1;

filter assembly includes inorganic adsorbed layer 2, baffle 3, leak net 4, external pipe 5, filter screen layer 9, suction pump 13, drinking-water pipeline 14 and sealing strip 17, the installation of inorganic adsorbed layer 2 sets up in the middle department of the inside of collecting

pit

1, 3 swing joint of baffle are in among the cell body of pond limit groove 16, sealing strip 17 fixed connection is in the both sides of baffle 3, leak net 4 and install on the cell body top of sedimentation tank 6, external pipe 5 is connected in the bottom of leaking net 4 and is link up the collecting pit 1 outside, filter screen layer 9 is installed in first pond 8 that stews, the second is stew between the cell body of pond 10 and the third pond 11 that stews, suction pump 13 is installed in the collecting pit 1 outside and is connected the third pond 11 that stews by drinking-water pipeline 14.

Wherein, one end is 6 one ends of sedimentation tank for the sedimentation tank in the collecting pit 1 and sets up for flowing cell body symmetry for can directly enter into among the bottom pond 7 through flowing the cell body after 6 inside effective precipitations of sedimentation tank.

Wherein, the center of the flow cell body in the collecting tank 1 is provided with a water inlet 15 in a run-through manner, and the water inlet 15 can directly connect the waste water to flow and enter the bottom for secondary filtration and sedimentation.

Wherein, the water inlet 15 is connected to the first standing pool 8 at the bottom in a penetrating way, and harmful parts in the wastewater are further reduced through the layer-by-layer filtration in the bottom pool 7.

Wherein, the second stewing pond 10 and the third stewing pond 11 are both internally provided with a bottom platform 12 and rise layer by layer, and the bottom platform 12 rising layer by layer enables the bottom pond 7 to perform further filtration while performing internal sedimentation.

Wherein, each other is plug-in connection between pond limit groove 16 and the sealing strip 17 for separate between sedimentation tank 6 among the collecting pit 1 and the opposite side cell body, and pond limit groove 16 and sealing strip 17 make can carry out effectual sediment behind the sedimentation tank 6 formation independent cell body.

Wherein, the inorganic adsorption layer 2 is movably connected in the collecting tank 1 in a detachable way, and can be conveniently and flexibly replaced.

The inside of the filter screen layer 9 contains an activated carbon adsorption layer.

Wherein the bottom tank 7 can be opened as a whole.

The working principle is as follows: firstly, wastewater is led into a collecting tank 1 through a leaking net 4, so that particle impurities are collected inside the leaking net 4, the wastewater is directly filtered to be precipitated in a sedimentation tank 6 through the outer side of the leaking net 4, after more particle impurities are accumulated, the particle impurities can be directly discharged from the collecting tank 1 through an external connecting pipe 5 at the lower end of the leaking net 4, after a period of precipitation is carried out inside the sedimentation tank 6, a baffle plate 3 is drawn out from a tank side groove 16, the precipitated wastewater is filtered through an inorganic adsorption layer 2, the impurities in the wastewater are subjected to preliminary physical adsorption filtration by the inorganic adsorption layer 2, then the impurities enter the other side of the collecting tank 1, enter a bottom tank 7 at the bottom from a water inlet 15, and are subjected to graded filtration layer by layer in a first standing tank 9, a second standing tank 10 and a third standing tank 11 in the bottom tank 7, and precipitates are precipitated at the bottoms of the standing tanks and a bottom platform 12, excessive water is filtered and discharged layer by layer through the filter screen layer 9, a water suction pump 13 installed on the outer side of the third standing pool 11 is connected with an external power supply to be started, and the water suction pump is pumped out through a water suction pipeline 14 to be recycled next time.

Claims

1. A steel plant wastewater collecting device comprises a pool body assembly and a filtering assembly, wherein the filtering assembly is arranged inside the pool body assembly;

the method is characterized in that: the pool body component comprises a collecting pool (1), a sedimentation pool (6), a bottom pool (7), a first standing pool (8), a second standing pool (10), a third standing pool (11), a bottom platform (12), a water inlet (15) and a pool edge groove (16), wherein the bottom pool (7) is installed at the bottom of the collecting pool (1), the sedimentation pool (6) is arranged at one side of the collecting pool (1), the first standing pool (8), the second standing pool (10) and the third standing pool (11) are respectively arranged in the bottom pool (7), the bottom platform (12) is arranged in the second standing pool (10) and the third standing pool (11), the water inlet (15) is arranged at one side of the sedimentation pool (6) in a penetrating manner, and the pool edge groove (16) is arranged at the middle of the inner wall of the collecting pool (1);

the filtering component comprises an inorganic adsorption layer (2), a baffle (3), a leakage net (4), an external connecting pipe (5), a filtering net layer (9), a water suction pump (13), a water suction pipeline (14) and a sealing strip (17), the inorganic adsorption layer (2) is arranged in the middle of the inner part of the collecting tank (1), the baffle (3) is movably connected in a tank body of a tank edge groove (16), sealing strip (17) fixed connection is in the both sides of baffle (3), leaks net (4) and installs in the cell body top of sedimentation tank (6), connects outward and manages (5) and connect in the bottom of leaking net (4) and link up the collecting pit (1) outside, and filter screen layer (9) are installed in first pond (8) that stews, the second is stood still between the cell body in pond (10) and third pond (11) that stews, and suction pump (13) are installed in the collecting pit (1) outside and are connected third pond (11) that stews by drinking-water pipeline (14).

2. The steel mill wastewater collecting apparatus as set forth in claim 1, wherein: one end in the collecting tank (1) is a sedimentation tank (6), and the other end is symmetrically arranged for the flowing tank body.

3. The steel mill wastewater collecting apparatus as set forth in claim 1, wherein: a water inlet (15) is arranged at the center of the flow cell body in the collecting tank (1) in a penetrating way.

4. The steel mill wastewater collecting apparatus as set forth in claim 1, wherein: the water inlet (15) is connected with the first standing pool (8) at the bottom in a penetrating way.

5. The steel mill wastewater collecting apparatus as set forth in claim 1, wherein: and bottom platforms (12) are arranged in the second standing pool (10) and the third standing pool (11) and are lifted layer by layer.

6. The steel mill wastewater collecting apparatus as set forth in claim 1, wherein: the pool side groove (16) and the sealing strip (17) are in plug-in connection with each other.

7. The steel mill wastewater collecting apparatus as set forth in claim 1, wherein: the inorganic adsorption layer (2) is movably and detachably connected in the collecting tank (1), and the inorganic adsorption layer (2) comprises a zeolite layer, a diatomite layer and a kaolin layer.