CN212476384U - Wastewater treatment device for magnesium alloy production - Google Patents

Abstract

The utility model belongs to the waste water treatment field especially relates to a waste water treatment device is used in magnesium alloy production, comprising a water storage tank, the storage water tank lateral part is equipped with water inlet and delivery port, the delivery port has the water pump through water piping connection, the play water end of water pump has magnesium alloy ingot casting cooling chamber through water piping connection, there is the filter on the storage water tank top through water piping connection, from last filter screen and the asbestos layer of being equipped with down in proper order in the filter, the filter top has water piping connection to have reaction vessel, the reaction vessel top is equipped with throws medicine mouth and gas vent, and water piping connection has a cooler one on the reaction vessel top, water piping connection has a cooler two on the reaction vessel lateral part, water piping connection wastewater disposal basin is passed through to the one end that reaction vessel was kept away from to cooler. The utility model discloses simple structure, convenient operation, the vapor that produces among the recoverable magnesium alloy casting process to cyclic utilization behind the waste water treatment.

Description

Wastewater treatment device for magnesium alloy production

Technical Field

The utility model belongs to the waste water treatment field, especially a waste water treatment device is used in magnesium alloy production.

Background

In the process of preparing the magnesium alloy ingot, a process of directly spraying water on the surface of the magnesium alloy ingot for cooling is often adopted, and the process equipment has a simple structure and high production efficiency, so that the process equipment is widely applied. In the actual production process, after cooling the crystallizer, the cooling water flows out along the surface of the ingot to play a role in secondary cooling of the ingot, but the cooling water contains a large amount of metals, the cooling water needs to be treated and recycled, a large amount of water vapor is generated in the magnesium alloy casting process, the water vapor contains metals, and the water vapor needs to be recovered and treated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a waste water treatment device is used in magnesium alloy production, but the vapor that produces among the recoverable magnesium alloy casting process to cyclic utilization behind the waste water treatment.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a waste water treatment device for magnesium alloy production comprises a magnesium alloy ingot cooling cavity, a water storage tank, a water pump, an air extraction device and a waste water tank, wherein a water inlet and a water outlet are formed in the side part of the water storage tank, the water outlet is connected with the water inlet end of the water pump through a water pipe, the water outlet end of the water pump is connected with the magnesium alloy ingot cooling cavity through a water pipe, the top end of the water storage tank is connected with a filter through a water pipe, a filter screen and an asbestos layer are sequentially arranged in the filter from top to bottom, the top end of the filter is connected with a reaction container through a water pipe, a chemical feeding port and an air outlet are formed in the top end of the reaction container, the top end of the reaction container is connected with a first cooler through a water pipe, the side part of the reaction container is connected with a second cooler through a water pipe, the steam extraction device is characterized in that a check valve is arranged at a steam exhaust port of the steam extraction device, the steam extraction device comprises a fan and a steam collection cover, and a water drain is arranged at the bottom end of the water storage tank.

Preferably, the filter screen and the asbestos layer are clamped with the filter, and the main purpose is to facilitate regular cleaning or replacement of the filter screen and the asbestos layer.

Preferably, the check valve is of the type CV-04, the main purpose of which is to prevent the backflow of the steam collected by the steam extraction device from polluting the air.

The utility model discloses still including enabling this waste water treatment device for magnesium alloy production normal use's other subassemblies, be the conventional technical means in this field. In addition, the device or the component which is not limited in the utility model adopts the conventional technical means in the field.

The utility model discloses during the use, add inorganic flocculants such as a certain amount of aluminum sulfate or polymeric aluminium such as polyaluminium chloride in the medicine mouth of follow filter, steam that produces is collected by the extraction of steam device in magnesium alloy casting process, get into reaction vessel after cooler one cools off, the waste water of cooling magnesium alloy ingot gets into the wastewater disposal basin, waste water in the wastewater disposal basin gets into reaction vessel after cooler two cools off, waste water is handled through the flocculating agent in the reaction vessel, metal in the waste water is condensed into the flocculent filter, the filter is advanced along with the rivers to the filter, the bold filter is stayed on the filter screen, the fritter passes the filter screen and is adsorbed by the asbestos layer, the dry water that the filtration was accomplished flows back to the storage water tank and is recycled, and by the secondary cooling in the storage water tank, when the water capacity is not enough, supplement the water yield from the inlet tube.

The beneficial effects of the utility model are that, this device simple structure, convenient operation can collect the vapor that produces at magnesium alloy casting in-process, handles and cyclic utilization the waste water of magnesium alloy casting in-process.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the filter of the present invention;

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.

Examples

As shown in fig. 1-2, a wastewater treatment device for magnesium alloy production comprises a magnesium alloy ingot cooling chamber 5, a water storage tank 2, a water pump 1, a steam extraction device and a wastewater pool 4, wherein a water inlet 14 and a water outlet are arranged on the side of the water storage tank 2, the water outlet is connected with the water inlet end of the water pump 1 through a water pipe, the water outlet end of the water pump 1 is connected with the magnesium alloy ingot cooling chamber 5 through a water pipe, the top end of the water storage tank 2 is connected with a filter 3 through a water pipe, a filter screen 15 and an asbestos layer 16 are sequentially arranged in the filter 3 from top to bottom, the top end of the filter 3 is connected with a reaction vessel 13 through a water pipe, the top end of the reaction vessel 13 is provided with a chemical feeding port 12 and an exhaust port 11, the top end of the reaction vessel 13 is connected with a first cooler 10 through a water pipe, the side of the reaction vessel 13, one end of the cooler I10, which is far away from the reaction container 13, is connected with a steam extraction device through a pipeline, a steam exhaust port of the steam extraction device is provided with a check valve 8, the steam extraction device comprises a fan 7 and a steam collection cover 6, and the bottom end of the water storage tank 2 is provided with a water drain outlet. The filter screen 15 and the asbestos layer 16 are clamped with the filter 3, so that the filter screen 15 and the asbestos layer 16 can be cleaned or replaced conveniently at regular intervals. The check valve 8 is CV-04 to prevent the steam collected by the steam extraction device from flowing back to pollute the air.

When the utility model is used, a certain amount of inorganic flocculant such as aluminum sulfate and the like or polymer flocculant such as polyaluminium chloride and the like is added into the medicine feeding port 12 of the filter 3, steam generated in the magnesium alloy casting process is collected by a steam extraction device, the steam is cooled by a cooler I10 and then enters a reaction container 13, waste water for cooling magnesium alloy ingots enters a waste water tank 4, the waste water in the waste water tank is cooled by a cooler II 9 and then enters the reaction container 13, the waste water in the reaction container 13 is treated by a flocculating agent, metal in the waste water is coagulated into flocculent filter, the filter flows into a filter 3 along with water, large filter is remained on a filter screen 15, small filter passes through the filter screen 15 and is adsorbed by an asbestos layer 16, and filtered clean water flows back to a water storage tank 2 for recycling, and is secondarily cooled in the water storage tank 2, and when the water amount in the water storage tank 2 is insufficient, the water amount is supplemented from the water inlet pipe 14.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims (3)

1. The utility model provides a waste water treatment device is used in magnesium alloy production, includes magnesium alloy ingot cooling chamber (5), storage water tank (2), water pump (1), steam extraction device and wastewater disposal basin (4), its characterized in that: the utility model discloses a magnesium alloy ingot casting device, including storage water tank (2), delivery port, magnesium alloy ingot casting cooling chamber (5), storage water tank (2) top end, filter (3) and reaction vessel (13), reaction vessel (13) top is equipped with throws medicine mouth (12) and gas vent (11), and reaction vessel (13) top end has water piping connection first cooler (10), reaction vessel (13) lateral part has water piping connection second cooler (9), the one end that reaction vessel (13) was kept away from to second cooler (9) leads to pipe connection wastewater disposal basin (4), one end, far away from the reaction container (13), of the cooler I (10) is connected with a steam extraction device through a pipeline, a steam exhaust port of the steam extraction device is provided with a check valve (8), the steam extraction device comprises a fan (7) and a steam collection cover (6), and a water drain opening is formed in the bottom end of the water storage tank (2).

2. The wastewater treatment apparatus for magnesium alloy production according to claim 1, wherein: the filter screen (15) and the asbestos layer (16) are clamped with the filter (3).

3. The wastewater treatment apparatus for magnesium alloy production according to claim 1, wherein: the model of the check valve (8) is CV-04.

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