CN211170018U

CN211170018U - Industrial wastewater treatment equipment

Info

Publication number: CN211170018U
Application number: CN201921898361.7U
Authority: CN
Inventors: 刘玉恒; 邵春楠; 王峦; 葛强; 邓迎强
Original assignee: Tianjin Century Tianyuan Group Co ltd
Current assignee: Tianjin Century Tianyuan Group Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-08-04
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to an industrial wastewater treatment equipment. The air inlet pipe is arranged at the top of the side wall of the lower box body; an upper steam-water separator and a lower steam-water separator are arranged in the inner cavity of the upper box body, an inner upper support and an inner lower support are arranged in the inner cavity of the lower box body, and a plurality of gravel blocks are placed on the inner upper support and the inner lower support; the water collecting tank is provided with a filter screen, and an outlet at the bottom of the second conical bottom is connected to the water collecting tank through a drain pipe; the device also comprises a waste water tank with a waste water delivery pump and a solution tank with a solution delivery pump; an upper spraying assembly and a lower spraying assembly are arranged above the inner cavity and the inner upper support of the lower box body, and an upper spraying assembly and a lower spraying assembly are arranged above the inner cavity and the inner lower support of the lower box body. The utility model discloses the treatment effeciency is high, realize the continuous type operation.

Description

Industrial wastewater treatment equipment

Technical Field

The utility model belongs to the technical field of waste water treatment equipment, especially, relate to an industrial wastewater treatment equipment.

Background

In industrial activities, a large amount of industrial wastewater is usually generated, wherein the industrial wastewater comprises production wastewater, production wastewater and cooling water, and refers to wastewater and waste liquid generated in industrial production, and the wastewater and the waste liquid contain industrial production materials, intermediate products and byproducts lost along with water and pollutants generated in the production process. 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.

One type of treatment process in industrial wastewater is chemical settling, which involves adding a fast settling agent to the wastewater to coagulate or flocculate certain components in the wastewater, and correspondingly dividing the fast settling agent added to the wastewater into a coagulant or flocculant. Wherein, the agglomeration is a phenomenon that mutual repulsion force formed by surface charges between ultra-fine particles (generally less than 1um) suspended in a solution and having a colloidal size is reduced, and van der waals force is still present between the particles after the reduction of the added agglomerating agent (generally, an electrolyte of a macromolecule), so that the particles collide with each other due to brownian motion, and adsorption is generated to increase the particles; flocculation refers to a phenomenon in which particles suspended in a liquid are adsorbed or bridged by flocculant molecules themselves to form larger flocculent aggregates after some flocculant (high molecular weight polymer or polyelectrolyte) is added. The quick settling agent is mainly used for treating chemical industrial wastewater and waste liquid, treating municipal sewage, purifying, settling, washing coal, mineral separation, metallurgy, steel industry, zinc and aluminum processing industry, electronic industry and the like in the tap water industry and high-turbidity water.

The existing treatment process is generally to add a proper amount of the rapid sedimentation agent into the wastewater, wait for coagulation and flocculation reactions to occur in the standing process, then take out the sediment, and discharge or further treat the residual wastewater. However, the mixing between the wastewater and the coagulant/flocculant needs to be as sufficient and uniform as possible, and the above-mentioned process cannot achieve the required sufficiency and uniformity, resulting in inefficient treatment of the wastewater and waste of the coagulant/flocculant. On the other hand, the above industrial processes also cannot be operated continuously.

SUMMERY OF THE UTILITY MODEL

The utility model provides an industrial wastewater treatment device with high treatment efficiency and continuous operation for solving the technical problems in the prior art.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: an industrial wastewater treatment device comprises an upper box body and a lower box body, wherein the upper part of the upper box body is provided with a conical top, the lower part of the upper box body is provided with a first conical bottom, the upper part of the lower box body is provided with an opening, the lower part of the lower box body is provided with a second conical bottom, the bottom edge of the upper box body is in butt joint with the top edge of the lower box body, the first conical bottom is positioned in an inner cavity of the lower box body, a vertical air channel is arranged at an outlet at the bottom of the first; an upper steam-water separator and a lower steam-water separator are arranged in the inner cavity of the upper box body, an inner upper support and an inner lower support are arranged in the inner cavity of the lower box body, and a plurality of gravel blocks are placed on the inner upper support and the inner lower support; the water collecting tank is provided with a filter screen, and an outlet at the bottom of the second conical bottom is connected to the water collecting tank through a drain pipe; the device also comprises a waste water tank with a waste water delivery pump and a solution tank with a solution delivery pump; an upper spraying assembly and a lower spraying assembly are arranged above the inner cavity and the inner upper support of the lower box body, an upper spraying assembly and a lower spraying assembly are arranged above the inner cavity and the inner lower support of the lower box body, an outlet of a wastewater delivery pump is connected to the spraying assembly positioned above each layer of space through a wastewater delivery pipe, and an outlet of a solution delivery pump is connected to the spraying assembly positioned below each layer of space through a solution delivery pipe; still include the exhaust fan, the export at upper portion box top is connected to through the connecting tube to the entry of exhaust fan, installs the exhaust pipe in the export of exhaust fan.

The utility model has the advantages that: the utility model provides an industrial wastewater treatment equipment that structural design is reasonable compares with current wastewater treatment equipment, through setting up waste water tank and solution tank among this technical scheme to carry the inner chamber to the lower part box respectively through respective delivery pump, conveyer pipe, and adopt a plurality of spray assembly to carry out the mixture between waste water and the solution with the mode that sprays, promoted even degree and abundant degree of mixing between waste water and the solution. Through setting up two upper and lower inner support and placing the gravel piece on two inner support in lower box, make the waste water after mixing with solution take place to condense or flocculation on the surface of gravel piece, because the surface area of gravel piece is very big, consequently above-mentioned condensation or flocculation are more abundant and thorough, have promoted the efficiency of condensing or flocculation. Through installing the air-supply line on the lateral wall at lower box, under the induced air effect of exhaust fan, outside air current passes through the space between lower box and the wind channel with the form of approximate whirl, and when the air current flowed through the space between the gravel piece, to the coagulation or flocculation deposit on the surface produced the effect of peeling off, and the waste water that the cooperation top dropped and the mixture of solution, the deposit finally gets into in receiving the water tank and is held back by the filter screen. The whole treatment equipment realizes automatic and continuous operation, and improves the treatment efficiency of the wastewater.

Preferably: the spraying assembly comprises an inner annular pipe and an outer annular pipe, the inner annular pipe and the outer annular pipe are communicated through a plurality of communicating pipes, and the outer annular pipe is fixedly connected with the side wall of the lower box body; the bottom of the inner annular pipe and the bottom of the outer annular pipe are respectively provided with a plurality of atomizing nozzles.

Preferably: the upper steam-water separator comprises an upper outer frame fixedly connected with the inner wall of the upper box body, and a plurality of inclined stainless steel plates arranged in parallel are arranged on the inner side of the upper outer frame; the lower steam-water separator comprises a lower outer frame fixedly connected with the inner wall of the upper box body, a vertically through sleeve is arranged in the middle of the lower outer frame, and a plurality of inclined stainless steel plates arranged in parallel are arranged between the lower outer frame and the sleeve.

Preferably: the air inlet pipe is arranged along the tangential direction of the lower box body, and the entering air flow is in a rotational flow direction in the space between the lower box body and the air channel.

Preferably: the water collecting box comprises a box body, an overflow groove is arranged on the inner wall of the box body, the lower end of a drainage pipe is positioned in the overflow groove, and the edge of the inner side of a filter screen is fixedly arranged on the front side wall of the overflow groove; an overflow pipe is arranged at the back of the overflow groove.

Preferably: the waste water tank body is provided with a waste water inlet and a discharge pipe with a ball valve, the solution tank body is provided with a solution inlet and a discharge pipe with a ball valve, and the water receiving tank body is also provided with a drain pipe with a ball valve.

Preferably: the exhaust fan is supported by the outer support.

Drawings

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

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. an outer support; 2. an exhaust fan; 3. an exhaust duct; 4. an air inlet pipe; 5. connecting a pipeline; 6. an upper box body; 7. an upper steam-water separator; 8. a lower steam-water separator; 9. a first tapered bottom; 10. a spray assembly; 11. an inner upper support; 12. a waste water conveying pipe; 13. a gravel block; 14. a lower box body; 15. a solution delivery pipe; 16. an inner lower bracket; 17. an air duct; 18. a solution delivery pump; 19. a second tapered bottom; 20. a wastewater delivery pump; 21. a wastewater tank; 22. a water collecting tank; 23. a filter screen; 24. a solution tank; 25. a bleeder tube; 26. an overflow trough; 27. an overflow pipe; 28. and a water discharge pipe.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:

referring to fig. 1 to 3, the industrial wastewater treatment apparatus of the present invention includes an upper tank 6 having a tapered top at an upper portion thereof and a first tapered bottom 9 at a lower portion thereof, and a lower tank 14 having an open upper portion and a second tapered bottom 19 at a lower portion thereof, wherein a bottom edge of the upper tank 6 is connected to a top edge of the lower tank 14 in a butt joint manner, thereby forming a complete tank. The first conical bottom 9 is positioned in the inner cavity of the lower box body 14, a vertical air duct 17 is arranged at the outlet of the bottom of the first conical bottom, and an air inlet pipe 4 is arranged at the top of the side wall of the lower box body 14.

During operation, external air flow enters the inner cavity of the lower box body 14 through the air inlet pipe 4, flows in a space between the lower box body 14 and the air duct 17 in an approximately rotational flow mode, finally enters the air duct 17 through the lower port of the air duct 17, and passes through the upper box body 6 upwards. In this embodiment, in order to form a swirling air flow between the lower box 14 and the air duct 17 as much as possible, the air inlet duct 4 is installed along a tangential direction of the lower box 14, so that the entering air flow forms a swirling air flow between the lower box 14 and the air duct 17, which is similar to the principle of a cyclone dust collector.

An upper steam-water separator 7 and a lower steam-water separator 8 are arranged in the inner cavity of the upper box body 6, a large amount of water vapor is carried by upward air flow entering through a lower port of the air duct 17, the air flow containing the water vapor is enabled to sequentially pass through the lower steam-water separator 8 and the upper steam-water separator 7, the water vapor in the air flow is separated from the air, and the water vapor forms liquid drops and falls back again.

In this embodiment, the upper steam-water separator 7 includes an upper outer frame fixedly connected to the inner wall of the upper tank 6, and a plurality of inclined stainless steel plates arranged in parallel are provided inside the upper outer frame; the lower steam-water separator 8 comprises a lower outer frame fixedly connected with the inner wall of the upper box body 6, a vertically through sleeve is arranged in the middle of the lower outer frame, and a plurality of inclined stainless steel plates arranged in parallel are arranged between the lower outer frame and the sleeve. The gap between two adjacent stainless steel plates of the upper steam-water separator 7 forms a channel for air flow circulation, and the gap between two adjacent stainless steel plates of the lower steam-water separator 8 and the sleeve in the middle form a channel for air flow circulation.

The middle part of the lower steam-water separator 8 is provided with a sleeve, so that airflow passes through the sleeve and contacts the upper steam-water separator 7 as soon as possible, the two steam-water separators are in a steam-water separation working state together, and the steam-water separation effect is ensured.

An inner upper support 11 and an inner lower support 16 are provided in the inner chamber of the lower housing 14, and a plurality of pebble blocks 13 are placed on both the inner upper support 11 and the inner lower support 16. As shown in fig. 1, both the inner upper bracket 11 and the inner lower bracket 16 may be made of round steel welding, and both the inner upper bracket 11 and the inner lower bracket 16 are fixedly connected to the side wall of the lower case 14 at the edge. The gravel blocks 13 can be selected as cobblestones or as ordinary stones with a certain angle, and the gravel blocks 13 are stacked together on the inner upper support 11 and the inner lower support 16 to form a gravel pile, which is characterized by a large surface area and large inner gaps. It is worth noting that the gravel block 13 cannot be stacked too densely, which would result in the air flow not passing through.

And a water collecting tank 22 with a filter screen 23, wherein the water collecting tank 22 is positioned below the lower box body 14, and an outlet at the bottom of the second conical bottom 19 is connected to the water collecting tank 22 through a discharge pipe 25. In this embodiment, the water collection tank 22 includes a tank body, an overflow tank 26 is installed on an inner wall of the tank body, a lower end of the drain pipe 25 is located in the overflow tank 26, an inner side edge of the filter screen 23 is installed and fixed on a front side wall of the overflow tank 26, a mixed liquid flowing out of the drain pipe 25 enters the overflow tank 26, the mixed liquid overflows from a front edge and reaches the filter screen 23, after being filtered, a precipitate is retained on the filter screen 23, and a clarified liquid enters the water collection tank 22 to be stored. An overflow pipe 27 is further provided at the back of the overflow tank 26, and when the discharge rate of the discharge pipe 25 is large, the discharge capacity of the filter screen 23 will be exceeded, so the overflow pipe 27 is provided to discharge the mixed liquid through the overflow pipe 27 when the discharge rate of the discharge pipe 25 exceeds a certain degree, and the mixed liquid can be discharged to another collection container for sedimentation treatment.

And further comprises a waste water tank 21 with a waste water delivery pump 20 and a solution tank 24 with a solution delivery pump 18, wherein the waste water tank 21 is used for storing waste water, and the solution tank 24 is used for storing an aqueous solution dissolved with a coagulant/flocculant. As shown in the drawing, a wastewater transfer pump 20 is installed on a top wall of a wastewater tank 21, and a filter for filtering particulate impurities is provided at an inlet, and a solution transfer pump 18 is installed on a top wall of a solution tank 24, and a filter for filtering particulate impurities is provided at an inlet.

In this embodiment, install waste water inlet and the delivery pipe that has the ball valve on waste water tank 21's the box, waste water supply line and waste water inlet butt joint are connected, make the delivery pipe open through opening the ball valve, can emit inside waste water, clean the box inside. A solution inlet and a discharge pipe with a ball valve are installed on the tank body of the solution tank 24, the outlet of the solution supply device is communicated with the solution inlet through a pipeline, the aqueous solution of the coagulant/flocculant is supplemented into the solution tank 24, the ball valve is opened to open the discharge pipe, the internal aqueous solution can be discharged, and the inside of the tank body can be cleaned or replaced by the aqueous solution of another medicament. A drain pipe 28 having a ball valve is further provided on the body of the water collection tank 22, the drain pipe 28 and the overflow pipe 27 are combined, and the water in the water collection tank 22 is discharged by opening the ball valve on the drain pipe 28.

An upper spray assembly 10 and a lower spray assembly 10 are arranged above an inner cavity and an inner upper support 11 of the lower box body 14, an upper spray assembly 10 and a lower spray assembly 10 are arranged above an inner cavity and an inner lower support 16 of the lower box body 14, an outlet of a waste water delivery pump 20 is connected to the upper spray assembly 10 in each layer of space through a waste water delivery pipe 12, and an outlet of a solution delivery pump 18 is connected to the lower spray assembly 10 in each layer of space through a solution delivery pipe 15.

The wastewater is transferred to the shower module 10 and sprayed downward by the wastewater transfer pump 20, and the solution is transferred to the shower module 10 and sprayed downward by the solution transfer pump 18, as shown in the figure, in the space above the inner upper frame 11 and in the space between the inner upper frame 11 and the inner lower frame 16, the wastewater is sprayed above the solution. The sprayed waste water and the solution are mixed in the process of descending downwards, so that the uniformity of mixing is improved.

In this embodiment, the spray assembly 10 includes an inner annular pipe and an outer annular pipe, which are connected by a plurality of communicating pipes, and the outer annular pipe is fixedly connected with the side wall of the lower box 14; the bottom of the inner annular pipe and the bottom of the outer annular pipe are respectively provided with a plurality of atomizing nozzles, and the waste water and the liquid medicine are atomized and sprayed out and are mixed more uniformly.

Still include exhaust fan 2, the export (that is to say the export that sets up in the middle part position of toper top) of the entry of exhaust fan 2 through connecting tube 5 connection to the top of upper portion box 6, installs exhaust pipe 3 at the export of exhaust fan 2. In this embodiment, the exhaust fan 2 is supported by the outer frame 1.

The operation process comprises the following steps:

the wastewater is conveyed to a wastewater tank 21, the aqueous solution of the coagulant/flocculant is conveyed to a solution tank 24, under the action of a wastewater conveying pump 20 and a solution conveying pump 18, the wastewater enters the inner cavity of the lower box body 14 and is atomized and sprayed downwards, the solution enters the inner cavity of the lower box body 14 and is atomized and sprayed downwards, and the atomized wastewater and the solution are mixed and undergo coagulation/flocculation reaction;

the mixed liquid drops on the gravel pile formed by the upper and lower layers of gravel blocks 13, and the mixed liquid spread on the surface of the gravel blocks 13 is more favorable for the coagulation/flocculation reaction because the surface area of the gravel pile is large;

under the action of the exhaust fan 2, external air flow enters from the air inlet pipe 4 and flows in a form of approximate rotational flow inside, when the air flow flows through gaps of the gravel pile, the air flow has a relatively strong blowing action on the surface of the gravel block 13, so that condensate/flocculate (namely precipitate) on the surface is stripped and falls off, and the precipitate falls on the second conical bottom 19 along with water flow downwards and is discharged to the water collection tank 22 through the discharge pipe 25 to be filtered by the filter screen 23 in cooperation with the scouring action of mixed liquid which is atomized into drops above and finally flows downwards; the filter screen 23 is cleaned regularly, and the clear liquid collected in the water collection tank 22 is discharged or enters for further treatment;

the wet air flow enters through the lower port of the air duct 17 and moves upwards, the air and water are separated when passing through the two air and water separators, the water and the water form liquid drops and drop downwards, finally the water drops enter the water receiving tank 22, and the relatively dry air flow is discharged by the exhaust fan 2 through the exhaust pipe 3.

Claims

1. An industrial wastewater treatment device is characterized in that: the air-conditioning box comprises an upper box body (6) and a lower box body (14), wherein the upper part of the upper box body (6) is provided with a conical top, the lower part of the upper box body is provided with a first conical bottom (9), the lower part of the lower box body is provided with a second conical bottom (19), the bottom edge of the upper box body (6) is in butt joint connection with the top edge of the lower box body (14), the first conical bottom (9) is positioned in an inner cavity of the lower box body (14), a vertical air duct (17) is arranged at an outlet at the bottom of the first conical bottom, and an air inlet pipe (4); an upper steam-water separator (7) and a lower steam-water separator (8) are arranged in the inner cavity of the upper box body (6), an inner upper support (11) and an inner lower support (16) are arranged in the inner cavity of the lower box body (14), and a plurality of gravel blocks (13) are placed on the inner upper support (11) and the inner lower support (16); the water collecting tank (22) is provided with a filter screen (23), and an outlet at the bottom of the second conical bottom (19) is connected to the water collecting tank (22) through a drain pipe (25); also comprises a waste water tank (21) with a waste water delivery pump (20) and a solution tank (24) with a solution delivery pump (18); an upper spraying assembly (10) and a lower spraying assembly (10) are arranged above an inner cavity and an inner upper support (11) of the lower box body (14), an upper spraying assembly (10) and a lower spraying assembly (10) are arranged above an inner cavity and an inner lower support (16) of the lower box body (14), an outlet of a wastewater delivery pump (20) is connected to the spraying assembly (10) positioned above in each layer of space through a wastewater delivery pipe (12), and an outlet of a solution delivery pump (18) is connected to the spraying assembly (10) positioned below in each layer of space through a solution delivery pipe (15);

still include exhaust fan (2), the export that the entry of exhaust fan (2) is connected to upper portion box (6) top through connecting tube (5), installs exhaust pipe (3) in the export of exhaust fan (2).

2. The industrial wastewater treatment facility as set forth in claim 1, characterized in that: the spraying assembly (10) comprises an inner annular pipe and an outer annular pipe, the inner annular pipe and the outer annular pipe are communicated through a plurality of communicating pipes, and the outer annular pipe is fixedly connected with the side wall of the lower box body (14); the bottom of the inner annular pipe and the bottom of the outer annular pipe are respectively provided with a plurality of atomizing nozzles.

3. The industrial wastewater treatment facility as set forth in claim 2, characterized in that: the upper steam-water separator (7) comprises an upper outer frame fixedly connected with the inner wall of the upper box body (6), and a plurality of inclined stainless steel plates arranged in parallel are arranged on the inner side of the upper outer frame; the lower steam-water separator (8) comprises a lower outer frame fixedly connected with the inner wall of the upper box body (6), a vertically through sleeve is arranged in the middle of the lower outer frame, and a plurality of inclined stainless steel plates arranged in parallel are arranged between the lower outer frame and the sleeve.

4. The industrial wastewater treatment apparatus according to claim 3, characterized in that: the air inlet pipe (4) is arranged along the tangential direction of the lower box body (14), and the entering airflow is in a rotational flow direction in the space between the lower box body (14) and the air duct (17).

5. The industrial wastewater treatment apparatus according to claim 4, characterized in that: the water receiving tank (22) comprises a tank body, an overflow groove (26) is arranged on the inner wall of the tank body, the lower end of the drainage pipe (25) is positioned in the overflow groove (26), and the edge of the inner side of the filter screen (23) is fixedly arranged on the front side wall of the overflow groove (26); an overflow pipe (27) is also arranged at the back of the overflow groove (26).

6. The industrial wastewater treatment facility as set forth in claim 5, characterized in that: a wastewater inlet and a discharge pipe with a ball valve are arranged on the body of the wastewater tank (21), a solution inlet and a discharge pipe with a ball valve are arranged on the body of the solution tank (24), and a discharge pipe (28) with a ball valve is arranged on the body of the water receiving tank (22).

7. The industrial wastewater treatment facility as set forth in claim 6, characterized in that: the exhaust fan (2) is supported by the external bracket (1).