Steel rolling cooling water treatment device

Abstract

The invention discloses a steel rolling cooling water treatment device, and belongs to the field of steel rolling equipment, the steel rolling cooling water treatment device comprises a box body I and a box body II, the bottom side surface of the box body is communicated with the top side surface of the box body II through a communicating pipe; a bubble pipeline is arranged in the box body I, a catching net is arranged above the bubble pipeline, a plurality of groups of spray pipes are arranged below the bubble pipeline, and a net plate is arranged in the catching net; a shifting wheel and flow dividing islands are arranged in the second box body, the shifting wheel is arranged below the communicating pipe, and the flow dividing islands comprise a plurality of flow dividing islands which are arranged side by side and are arranged on an arc-shaped surface; the second box body can throw sludge with tiny impurities and oil removed to the flow dividing island and the arc-shaped face in a high-speed centrifugal mode, iron-containing impurities are adsorbed through the arc-shaped face, and meanwhile the sludge is discharged.

Description

Technical Field

[0001] The invention belongs to the field of steel rolling equipment, and in particular relates to a steel rolling cooling water treatment device. Background Art

[0002] Steel rolling is a very important finished product production process in the steel production field. The supply of cooling water is essential in the steel rolling process. Cooling water is transported to various equipment in the steel rolling mill through the pump room. The steel industry is a large industrial water user, and circulating cooling water is the most important component of water use in the steel industry.

[0003] During the steel rolling process, cooling water will carry a large amount of iron filings after contacting the steel rolling. Especially in the steel rolling cutting process, a large amount of spray water will be added to protect the saw blade. In order to make full use of the cooling water, the existing technology usually adopts a multi-stage sedimentation method to precipitate iron filings and other debris and then use cooling water. Iron filings and other debris are treated as sludge, which often causes a large amount of waste of iron filings and makes the subsequent treatment of sludge complicated. At the same time, due to the simple structure of the sedimentation tank, especially when lubricating oil or engine oil on some equipment is mixed into the cooling water, these oils are mixed with iron filings, sludge, etc. to form a mixture, making it very difficult to separate the iron filings. Especially when there is a lot of sludge, a thick sludge layer will be formed at the bottom of the sedimentation tank, which is very inconvenient to treat the sludge and causes a large waste of resources. Summary of the invention

[0004] The object of the present invention is to provide a steel rolling cooling water treatment device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a steel rolling cooling water treatment device, comprising a first box and a second box, wherein the bottom side of the box is connected to the top side of the second box through a connecting pipe;

[0006] The box body 1 is provided with a bubble pipe, a capture net is provided above the bubble pipe, a plurality of nozzles are provided below the bubble pipe, and a mesh plate is provided inside the capture net;

[0007] A thumbwheel and a diverter island are arranged in the second box body. The thumbwheel is arranged below the connecting pipe. The diverter island includes a plurality of groups arranged side by side. The diverter island is arranged on an arc surface.

[0008] Preferably, the bottom surface of the box body 1 is provided with an inclined surface sloping downward toward the connecting pipe.

[0009] Preferably, a sewage trough is provided at the bottom of the second box body, and a sealing plate located on the second box body is provided on the outer side of the sewage trough.

[0010] Preferably, a guide plate is provided at the end of the connecting pipe.

[0011] Preferably, the nozzle is arc-shaped, installed at the bottom of the secondary pipeline, the secondary pipeline is installed on the primary pipeline, the primary pipeline is connected to the main pipeline, the main pipeline is connected to the external pump body, the nozzle is provided with a spray hole, and a cover plate is provided on the outside of the spray hole.

[0012] Preferably, handles are provided on both sides of the mesh plate, and a suction hood is provided above the mesh plate.

[0013] Preferably, both ends of the dial wheel are rotatably mounted on the side walls of the second box body, a motor is provided at the end of the dial wheel, a dial plate is provided on the dial wheel, and a dial tooth is provided on the dial plate.

[0014] Preferably, the diverter island comprises a base and a pointed cone top.

[0015] Preferably, the arc surface is arranged at the root of the second box body, and a magnetic attraction layer is provided below the arc surface.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The box of the present invention can spray tiny bubbles through the bubble pipe, absorb tiny impurities in the cooling water through the surface tension of the tiny bubbles, and then clean up the oil in the sewage by spraying a water flow with a surfactant and concentrate it on the surface of the cooling water in the form of foam, and remove it through the suction hood;

[0018] 2. The second box body provided in the present invention can throw the sludge after removing tiny impurities and oil onto the diversion island and the arc surface by high-speed centrifugation, absorb the iron-containing impurities through the arc surface, and discharge the sludge at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 A top view of the present invention;

[0021] Figure 3 for Figure 2 Sectional structure diagram at inner AA;

[0022] Figure 4 It is a schematic diagram of the remaining structures inside the second box body of the present invention.

[0023] In the figure: 1-box one; 2-box two; 21-drain trough; 22-blocking plate; 3-connecting pipe; 31-guide plate; 4-bubble pipe; 41-nozzle; 42-secondary pipe; 43-primary pipe; 44-main pipe; 45-cover plate; 5-capture net; 51-net plate; 52-suction hood; 6-push wheel; 61-push plate; 62-push tooth; 7-diverter island; 8-arc surface. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figures 1 to 4 The present invention provides a technical solution: a steel rolling cooling water treatment device, comprising a box body 1 and a box body 2, wherein the bottom side of the box body 1 is connected to the top side of the box body 2 through a connecting pipe 3, and the sludge settled in the box body 1 enters the box body 2 through the connecting pipe 3;

[0026] The box body 1 is provided with a bubble pipe 4, a capture net 5 is provided above the bubble pipe 4, a plurality of nozzles 41 are provided below the bubble pipe 4, a mesh plate 51 is provided inside the capture net 5, the bubble pipe 4 is used to introduce tiny bubbles and surfactants into the box body 1, and the capture net 5 is used to provide an attachment point for the foam, so as to facilitate the centralized treatment of the foam;

[0027] A paddle wheel 6 and a diverter island 7 are provided in the box body 2. The paddle wheel 6 is arranged below the connecting pipe 3. The diverter island 7 includes a plurality of groups arranged side by side. The diverter island 7 is arranged on an arc surface 8. The paddle wheel 6 and the diverter island 7 cooperate to separate iron filings in the sludge.

[0028] In this embodiment, the bottom surface of the box body 1 is provided with a slope sloping downward toward the connecting pipe 3 to facilitate the sludge after sedimentation to enter the box body 2 2. A closed door is provided at the end of the connecting pipe 3 to separate the box body 1 and the box body 2 2.

[0029] In this embodiment, a drain trough 21 is provided at the bottom of the second box body 2, and a sealing plate 22 located on the second box body 2 is provided on the outer side of the drain trough 21. The drain trough 21 is used to centrally collect the sludge after the iron filings are separated.

[0030] In this embodiment, a guide plate 31 is provided at the end of the connecting pipe 3 to guide the sludge to fall onto the paddle wheel 6 correctly.

[0031] In this embodiment, the nozzle 41 is arc-shaped, and the nozzle 41 is installed at the bottom of the secondary pipe 42, and the secondary pipe 42 is installed on the primary pipe 43, and the primary pipe 43 is connected to the main pipe 44, and the main pipe 44 is connected to the external pump body. A spray hole is provided on the nozzle 41, and a cover plate 45 is provided on the outer side of the spray hole. Bubbles are sprayed into the cooling water through the spray hole, and the cover plate 45 is used to block the bubbles to prevent the bubbles from being lifted and precipitated.

[0032] In this embodiment, handles are provided on both sides of the mesh plate 51 , and a suction hood 52 is provided above the mesh plate 51 . The mesh plate 51 facilitates uniform adhesion of bubbles and prevents bubbles from gathering in one place. The foam can be sucked away by the suction hood 52 .

[0033] In this embodiment, both ends of the paddle wheel 6 are rotatably mounted on the side walls of the box body 2, a motor is provided at the end of the paddle wheel 6, a paddle plate 61 is provided on the paddle wheel 6, and a paddle tooth 62 is provided on the paddle plate 61. The motor drives the paddle wheel 6 to rotate, and the thicker sludge layer is initially separated and thrown onto the arc surface 8, so as to facilitate the separation of the mixed iron filings therein.

[0034] In this embodiment, the diverter island 7 includes a base and a pointed cone top. The channels formed between the diverter islands 7 can facilitate the concentrated flow of sludge. The base and the pointed cone top of the diverter island 7 can provide a larger attachment position, which is convenient for the sludge to attach to a larger area. At the same time, the steeper pointed cone top can facilitate the flow of sludge.

[0035] In this embodiment, the arc surface 8 is arranged at the root of the second box body 2, and a magnetic attraction layer is arranged below the arc surface 8, and the iron filings are fixed by the magnetic attraction layer to separate the iron filings from the sludge.

[0036] Working principle: Cooling water is injected into the box 1, and bubbles are sprayed into the cooling water through the spray hole. The tiny impurities in the cooling water are adsorbed by the surface tension of the tiny bubbles. Then, the oil in the sewage is cleaned by spraying a water flow with a surfactant and concentrated on the surface of the cooling water in the form of foam. It is removed by the suction hood, and then the sludge is passed into the box 2 2 through the connecting pipe 3. The motor drives the dial 6 to rotate, and the thicker sludge layer is preliminarily separated and thrown onto the arc surface 8 separately. The iron filings are fixed by the magnetic attraction layer to separate the iron filings from the sludge.

[0037] It is known from common technical knowledge that the present invention can be implemented by other embodiments that do not deviate from its spirit or essential features. Therefore, the above disclosed embodiments are only illustrative in all respects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. A steel rolling cooling water treatment device, characterized in that: It comprises a box body 1 (1) and a box body 2 (2), wherein the bottom side of the box body (1) is connected to the top side of the box body 2 (2) through a connecting pipe (3); The box body (1) is provided with a bubble pipe (4), a capture net (5) is provided above the bubble pipe (4), a plurality of nozzles (41) are provided below the bubble pipe (4), and a mesh plate (51) is provided inside the capture net (5); The second box body (2) is provided with a dial wheel (6) and a diverter island (7); the dial wheel (6) is arranged below the connecting pipe (3); the diverter island (7) comprises a plurality of groups arranged side by side; and the diverter island (7) is arranged on an arc surface (8).

2. A steel rolling cooling water treatment device according to claim 1, characterized in that: The bottom surface of the box body 1 (1) is provided with an inclined surface which is inclined downward toward the connecting pipe (3).

3. A steel rolling cooling water treatment device according to claim 2, characterized in that: A sewage trough (21) is provided at the bottom of the second box body (2), and a sealing plate (22) located on the second box body (2) is provided on the outer side of the sewage trough (21).

4. A steel rolling cooling water treatment device according to claim 1, characterized in that: A guide plate (31) is provided at the end of the connecting pipe (3).

5. The steel rolling cooling water treatment device according to claim 1, characterized in that: The nozzle (41) is arc-shaped and is installed at the bottom of a secondary pipe (42). The secondary pipe (42) is installed on a primary pipe (43). The primary pipe (43) is connected to a main pipe (44). The main pipe (44) is connected to an external pump body. A nozzle hole is provided on the nozzle (41). A cover plate (45) is provided outside the nozzle hole.

6. A steel rolling cooling water treatment device according to claim 1, characterized in that: Handles are provided on both sides of the mesh plate (51), and a suction hood (52) is provided above the mesh plate (51).

7. A steel rolling cooling water treatment device according to claim 1, characterized in that: The two ends of the dial wheel (6) are rotatably mounted on the side wall of the second box body (2), a motor is provided at the end of the dial wheel (6), a dial plate (61) is provided on the dial wheel (6), and a dial tooth (62) is provided on the dial plate (61).

8. The steel rolling cooling water treatment device according to claim 1, characterized in that: The diverter island (7) comprises a base and a pointed cone top.

9. A steel rolling cooling water treatment device according to claim 1, characterized in that: The arc surface (8) is arranged at the root of the second box body (2), and a magnetic attraction layer is arranged below the arc surface (8).

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