CN220012214U - High-salt wastewater concentration device - Google Patents

Abstract

The utility model relates to a high-salt wastewater concentration device, which comprises an outer tank body, wherein an inner tank body is arranged in the outer tank body, a heating device, a stirring device and an exhaust device are arranged on the outer tank body, the exhaust device comprises a first exhaust pipe, a second exhaust pipe, a first air pump, a second air pump, a stop valve and a guide mechanism, a cover plate is arranged above the outer tank body, the first exhaust pipe and the second exhaust pipe are both connected with the cover plate, two ends of the stop valve are respectively connected with the first air pump and the first exhaust pipe, the second air pump is communicated with the second exhaust pipe, and the guide mechanism is arranged in the second exhaust pipe.

Description

High-salt wastewater concentration device

Technical Field

The utility model relates to the technical field of wastewater concentration, in particular to a high-salt wastewater concentration device.

Background

When the high-salt wastewater is concentrated, a steam method is often used for concentrating, namely, the wastewater is heated, water is evaporated and discharged, and concentrated solution with higher concentration is left to finish the concentration work of the high-salt wastewater. In the existing evaporative concentration device, a heating pipe is generally arranged outside a water storage tank only to heat wastewater, but when the device is used for heating, the area, which is attached to the outer wall, of the wastewater is heated, and the area, which is close to the middle area, of the wastewater is heated slowly, so that the evaporation speed of water vapor in the wastewater is slow; in addition, as the air pressure in the water storage tank increases, the boiling point of water increases, the corresponding heating time is prolonged due to the increase of the boiling point, and the waste water is heated by the larger heating power, so that the concentration efficiency is low and the energy consumption is high.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a high-salt wastewater concentration device to solve the technical problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high salt waste water enrichment facility, includes outer jar body, is equipped with the inner tank body in the outer jar body, be equipped with heating device, agitating unit and exhaust apparatus on the outer jar body, exhaust apparatus includes first blast pipe, second blast pipe, first air pump, second air pump, stop valve and guiding mechanism, the top of the outer jar body is equipped with the apron, and first blast pipe and second blast pipe all are connected with the apron, and the both ends of stop valve are connected with first air pump and first blast pipe respectively, second air pump and second blast pipe intercommunication, just guiding mechanism sets up in the second blast pipe, agitating unit includes motor, support frame, (mixing) shaft and stirring vane, the support frame sets up on the apron, and the motor setting is on the support frame, and the output shaft of motor runs through support frame and apron and is connected with the (mixing) shaft, and stirring vane fixed cover is established outside the (mixing) shaft.

Preferably, the heating device comprises a heating pipe, a first connecting pipe and a second connecting pipe, wherein the heating pipe is spirally wound between the inner tank body and the outer tank body, one ends of the first connecting pipe and the second connecting pipe are arranged on the outer side of the outer tank body, the other ends of the first connecting pipe and the second connecting pipe penetrate through the outer tank body and are respectively connected with two ends of the heating pipe, and waste liquid in the inner tank body is heated conveniently.

In a further preferred embodiment, the guiding mechanism includes a rubber pad, a connecting shaft and a supporting ring, the supporting ring is fixedly installed in the second exhaust pipe, the connecting shaft penetrates through the supporting ring, connecting discs and connecting rods are respectively arranged at two ends of the connecting shaft, the inner edge of the rubber pad is fixedly sleeved outside the connecting discs and is attached to the outer side of the supporting ring, the connecting rods are fixedly connected with the inner side of the second exhaust pipe, so that water vapor is conveniently and unidirectionally discharged from the inner tank body, but external gas cannot enter the inner tank body, and the inner tank body can be kept in a negative pressure state.

In a further preferred embodiment, a drain pipe is arranged at the bottom of the inner tank body, a drain valve is arranged at the bottom of the drain pipe, and a through hole matched with the drain pipe and the drain valve is arranged on the outer tank body, so that the concentrated solution can be conveniently drained.

In a further preferred embodiment, the drain pipe is sleeved with two sealing plates, and the two sealing plates are detachably connected with the outer tank body through bolts, so that a gap between the drain pipe and the outer tank body is conveniently sealed.

In a further preferred aspect, a sealing ring is provided between the sealing plate and the drain pipe, and a sealing gasket is provided between the two sealing plates, so that the sealing effect is improved.

In a further preferred embodiment, the top of the inner tank body is bent outwards to form a flange, and the cover plate, the flange and the outer tank body are detachably connected through bolts, so that the cover plate, the inner tank body and the outer tank body are conveniently connected.

Compared with the prior art, the utility model provides a high-salt wastewater concentration device, which has the following beneficial effects:

the heating device is arranged in the utility model, so that the waste water in the inner tank body is conveniently heated, the moisture in the inner tank body is evaporated into water vapor and is discharged through the exhaust device, and the stirring device is arranged for stirring in the heating process, so that the heating efficiency can be improved, and the concentration efficiency can be further improved;

the air exhausting device is arranged in the utility model, the air in the inner tank body can be exhausted in advance through the first air pump and the first air exhausting pipe, so that a negative pressure state is formed in the inner tank body, the boiling point of water is conveniently reduced, the evaporation efficiency is improved, and the concentration efficiency is further improved;

the utility model is provided with the guide mechanism, when the water vapor is discharged, the water vapor can only be discharged from the inner tank body through the second exhaust pipe, but when the air enters through the second exhaust pipe, the rubber pad is pressed on the support ring to prevent the air from entering, so that the inside can be kept in a negative pressure state.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a high-salinity wastewater concentration device in the utility model;

FIG. 2 is a schematic diagram showing the unconnected state of the stirring shaft and the inner tank body;

FIG. 3 is a schematic view showing an unconnected state of the outer can and two sealing plates in the present utility model;

FIG. 4 is a schematic view of a guide mechanism according to the present utility model;

fig. 5 is a schematic structural view of an exhaust device in the present utility model.

In the figure: 1. an outer can; 2. an inner tank; 3. a first exhaust pipe; 4. a second exhaust pipe; 5. a first air pump; 6. a second air pump; 7. a stop valve; 8. a cover plate; 9. a motor; 10. a support frame; 11. a stirring shaft; 12. stirring blades; 13. heating pipes; 14. a first connection pipe; 15. a second connection pipe; 16. a rubber pad; 17. a connecting shaft; 18. a support ring; 19. a connecting disc; 20. a connecting rod; 21. a liquid discharge pipe; 22. a liquid discharge valve; 23. a through hole; 24. a sealing plate; 25. a seal ring; 26. a sealing gasket; 27. and (5) flanging.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, a high salt waste water concentration device, including outer jar body 1, be equipped with inner tank body 2 in the outer jar body 1, be equipped with heating device on the outer jar body 1, agitating unit and exhaust apparatus, exhaust apparatus includes first blast pipe 3, second blast pipe 4, first air pump 5, second air pump 6, stop valve 7 and guiding mechanism, the top of outer jar body 1 is equipped with apron 8, first blast pipe 3 and second blast pipe 4 all are connected with apron 8, the both ends of stop valve 7 are connected with first air pump 5 and first blast pipe 3 respectively, second air pump 6 and second blast pipe 4 intercommunication, and guiding mechanism sets up in second blast pipe 4, agitating unit includes motor 9, support frame 10, stirring axle 11 and stirring vane 12, support frame 10 sets up on apron 8, motor 9 sets up on support frame 10, and the output shaft of motor 9 runs through support frame 10 and apron 8 and is connected with stirring axle 11, stirring vane 12 fixed cover is established outside stirring axle 11. The top of the inner tank body 2 is outwards bent and provided with a flanging 27, and the cover plate 8, the flanging 27 and the outer tank body 1 are detachably connected through bolts.

Referring to fig. 1-5, the heating device includes a heating tube 13, a first connecting tube 14 and a second connecting tube 15, the heating tube 13 is spirally wound between the inner tank 2 and the outer tank 1, the uniform ends of the first connecting tube 14 and the second connecting tube 15 are disposed at the outer side of the outer tank 1, and the other ends penetrate through the outer tank 1 and are respectively connected with two ends of the heating tube 13. When the heating device is used, the first connecting pipe 14 and the second connecting pipe 15 are connected with external steam heating equipment or water heating equipment, high-temperature steam or high-temperature water is introduced into the heating pipe 13 through the first connecting pipe 14, the inner tank body 2 is heated, then discharged through the second connecting pipe 15, and the heated water enters again.

Referring to fig. 1-5, the guiding mechanism includes a rubber pad 16, a connecting shaft 17 and a supporting ring 18, the supporting ring 18 is fixedly installed in the second exhaust pipe 4, the connecting shaft 17 penetrates through the supporting ring 18, two ends of the connecting shaft 17 are respectively provided with a connecting disc 19 and a connecting rod 20, an inner edge of the rubber pad 16 is fixedly sleeved outside the connecting disc 19 and is attached to an outer side of the supporting ring 18, and the connecting rod 20 is fixedly connected with an inner side of the second exhaust pipe 4. When the inner tank is used, the second air pump 6 is started to pump steam in the inner tank body 2 outwards, the air pressure between the second air pump 6 and the guide mechanism is reduced at the moment, the edge of the rubber gasket 16 is slightly unfolded outwards through the difference between the inner pressure and the outer pressure and leaves the surface of the support ring 18, the steam in the inner tank body 2 is discharged through the second exhaust pipe 4, when the second air pump 6 stops running, the rubber gasket 16 is attached to the support ring 18 again, and when air enters inwards, the rubber gasket 16 is pressed on the support ring 18 at the moment, so that air cannot enter, and the inner pressure can be prevented from rising to the atmospheric pressure.

Referring to fig. 1-5, a drain pipe 21 is disposed at the bottom of the inner tank 2, a drain valve 22 is disposed at the bottom of the drain pipe 21, and a through hole 23 matching with the drain pipe 21 and the drain valve 22 is disposed on the outer tank 1. The drain pipe 21 is sleeved with sealing plates 24, two sealing plates 24 are arranged, and the two sealing plates 24 are detachably connected with the outer tank body 1 through bolts. A sealing ring 25 is provided between the sealing plate 24 and the drain pipe 21, and a sealing gasket 26 is provided between the two sealing plates 24. When the inner tank 2 is used, the inner tank 2 is placed in the outer tank 1, the liquid discharge pipe 21 is inserted into the through hole 23, the sealing plate 24 is sleeved outside the liquid discharge pipe 21, the sealing plate 24 and the outer tank 1 are fixedly connected through bolts, the connection and the fixation between the sealing plate 24 and the outer tank 1 are completed, and the fixation of the inner tank 2 is completed.

Examples

In summary, when in use, the inner tank 2 is placed in the outer tank 1, the drain pipe 21 is inserted into the through hole 23, the sealing plate 24 is sleeved outside the drain pipe 21, the sealing plate 24 and the outer tank 1 are connected and fixed through bolts, the connection and fixation between the sealing plate 24 and the outer tank 1 are completed, the fixation of the inner tank 2 is completed, high-salt wastewater is poured into the inner tank 2, or a liquid inlet is formed in the cover plate 8, so that liquid is convenient, but the liquid inlet is required to be sealed by arranging a matched valve, and the cover plate 8, the inner tank 2 and the outer tank 1 are connected and fixed through bolts; at this time, the first air pump 5 is started, part of air in the inner tank body 2 is pumped out, the stop valve 7 is closed to prevent air from flowing back, at this time, the inner tank body 2 is in a negative pressure state, the boiling point of waste water is reduced, the first connecting pipe 14 and the second connecting pipe 15 are connected with external steam heating equipment or water heating equipment, high-temperature steam or high-temperature water is introduced into the heating pipe 13 through the first connecting pipe 14 to heat the inner tank body 2, and then the air is discharged through the second connecting pipe 15 and enters again after being heated again; in the heating process, the motor 9 is started to drive the stirring shaft 11 and the stirring blades 12 to rotate, so that the waste liquid in the inner tank body 2 is fully heated.

Examples

In summary, when in use, the second air pump 6 is started to pump the steam in the inner tank 2 outwards, at this time, the air pressure between the second air pump 6 and the guiding mechanism is reduced, the edge of the rubber pad 16 is slightly unfolded outwards by the difference between the internal pressure and the external pressure to leave the surface of the supporting ring 18, the steam in the inner tank 2 is discharged through the second exhaust pipe 4, when the second air pump 6 stops running, at this time, the rubber pad 16 is attached to the supporting ring 18 again, and when the air enters inwards, the rubber pad 16 is pressed on the supporting ring 18 at this time, so that the air cannot enter, and the internal pressure can be prevented from rising to the atmospheric pressure; after the concentration is completed, the shutoff valve 7 is opened to return the gas to the atmospheric pressure in the inner tank 2, and the drain valve 22 is opened to drain the concentrated solution in the inner tank 2 through the drain pipe 21.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a high salt waste water enrichment facility, includes outer jar body (1), its characterized in that: be equipped with inner tank body (2) in outer jar body (1), be equipped with heating device, agitating unit and exhaust apparatus on outer jar body (1), exhaust apparatus includes first blast pipe (3), second blast pipe (4), first air pump (5), second air pump (6), stop valve (7) and guiding mechanism, the top of outer jar body (1) is equipped with apron (8), and first blast pipe (3) and second blast pipe (4) all are connected with apron (8), and the both ends of stop valve (7) are connected with first air pump (5) and first blast pipe (3) respectively, second air pump (6) and second blast pipe (4) intercommunication, just guiding mechanism sets up in second blast pipe (4), agitating unit includes motor (9), support frame (10), (11) and stirring vane (12), support frame (10) set up on apron (8), and motor (9) output shaft and apron (8) and (12) of motor (9) run through and are connected at stirring axle (11) fixed outside stirring sleeve.

2. The high salt wastewater concentration device of claim 1, wherein: the heating device comprises a heating pipe (13), a first connecting pipe (14) and a second connecting pipe (15), wherein the heating pipe (13) is spirally wound between the inner tank body (2) and the outer tank body (1), the uniform ends of the first connecting pipe (14) and the second connecting pipe (15) are arranged on the outer side of the outer tank body (1), and the other ends of the first connecting pipe and the second connecting pipe penetrate through the outer tank body (1) and are respectively connected with the two ends of the heating pipe (13).

3. The high salt wastewater concentration device of claim 1, wherein: guiding mechanism includes rubber pad (16), connecting axle (17) and holding ring (18), holding ring (18) fixed mounting is in second blast pipe (4), and connecting axle (17) run through holding ring (18), and the both ends of connecting axle (17) are equipped with connection pad (19) and connecting rod (20) respectively, and the fixed cover of inner edge of rubber pad (16) is established outside connection pad (19), and laminating with the outside of holding ring (18), the inboard fixed connection of connecting rod (20) and second blast pipe (4).

4. The high salt wastewater concentration device of claim 1, wherein: the bottom of the inner tank body (2) is provided with a liquid discharge pipe (21), the bottom of the liquid discharge pipe (21) is provided with a liquid discharge valve (22), and the outer tank body (1) is provided with a through hole (23) matched with the liquid discharge pipe (21) and the liquid discharge valve (22).

5. The high-salinity wastewater concentration device according to claim 4, wherein: the drain pipe (21) overcoat is equipped with closing plate (24), and closing plate (24) are provided with two, two closing plate (24) are all with outer jar body (1) detachably connection through the bolt.

6. The high-salinity wastewater concentration device of claim 5, wherein: a sealing ring (25) is arranged between the sealing plates (24) and the liquid discharge pipe (21), and a sealing gasket (26) is arranged between the two sealing plates (24).

7. The high salt wastewater concentration device of claim 1, wherein: the top of the inner tank body (2) is outwards bent and provided with a flanging (27), and the cover plate (8), the flanging (27) and the outer tank body (1) are detachably connected through bolts.