CN210030098U

CN210030098U - Mud-containing wastewater separation device

Info

Publication number: CN210030098U
Application number: CN201920561259.1U
Authority: CN
Inventors: 李文修; 张晖栋; 娄彤; 林福全; 徐传航; 李斌洲
Original assignee: Fujian Longking Co Ltd.
Current assignee: Fujian Longking Co Ltd.
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-02-07
Anticipated expiration: 2029-04-23

Abstract

The utility model relates to a mud-containing wastewater separation device, which comprises a roller, a dryer, medium particles, a nozzle and a conveying part; the dryer is used for drying the solid in the roller; the conveying part is positioned on the outer side of the roller, is connected with the discharge port and the feed port of the roller and is used for conveying the medium particles discharged from the discharge port to the feed port; the nozzle is arranged on the outer side of the roller and used for spraying the mud-containing waste water to the medium particles. This contain mud waste water separator can be applicable to the mud waste water of different moisture contents to can not influence the continuity of equipment separation owing to the condition that takes place to harden in the separation process, guarantee separation efficiency.

Description

Mud-containing wastewater separation device

Technical Field

The utility model relates to a waste water treatment technical field, concretely relates to contain mud effluent separation plant.

Background

The existing treatment of high-salt sludge-containing wastewater is to send sludge to a filter press to separate solid after clarification, evaporate filtrate and clarified liquid to dry into mixed salt and mix with other powder solid to treat in a solid waste form; or the high-salt liquid is recycled by salt separation.

At present, for the solid-liquid separation of mud-containing wastewater, for example, patent No. cn201810517492.x, it discloses a roller air flow dryer, in which the material is rolled along with the mesh roller in the mesh roller, at the same time, hot air is introduced into the mesh roller to evaporate the material, and the evaporated material is pushed by helical blade in the mesh roller and is discharged into a discharge chute. But this equipment is not suitable for the drying of high salt mud waste water, and the mobile station of material is more steady in the cylinder, and salt and mud bond the agglomeration very easily on section of thick bamboo wall and blade, influence equipment steady operation to, this equipment can't be used for drying to liquid.

For another example, patent No. CN201720701007.5 discloses a double-layer drum dryer with a heat insulation structure, in which slurry-like materials are fed into a drum through a feeding mechanism, flue gas heats and dries slurry in the drum, and a bent shoveling plate is arranged in the drum to enable the slurry to be overturned and collided, so as to discharge the material in a dry solid state. However, the patent still can not treat liquid waste water, and the liquid is bound to the cylinder wall after being dried in the roller, so that hardening is caused.

Therefore, how to provide a mud-containing wastewater separation device, can be applicable to the mud-containing wastewater of different moisture contents to can not be because the condition that takes place to harden influences the continuity of equipment separation in the separation process, guarantee separation efficiency, be the technical problem that technical staff in the field need solve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mud-containing waste water separator can be applicable to the mud-containing waste water of different moisture contents to can not guarantee separation efficiency owing to take place the continuity that the condition that hardens influences the equipment separation in the disengaging process.

In order to solve the technical problem, the utility model provides a mud-containing wastewater separation device, which comprises a roller, a dryer, medium particles, a nozzle and a conveying part; the dryer is used for drying the solid in the drum; the conveying part is positioned on the outer side of the roller, is connected with the discharge port and the feed port of the roller and is used for conveying the medium particles discharged from the discharge port to the feed port; the nozzle is arranged on the outer side of the roller and used for spraying the mud-containing waste water to the medium particles.

Specifically, the nozzle sprays the mud-containing wastewater to the surface of the medium particles outside the roller, then the conveying part conveys the medium particles to the feed inlet of the roller, after the medium particles enter the roller from the feed inlet, the medium particles move to the discharge port of the roller under the rolling action of the roller, when the medium particles are in the roller, the dryer dries the surface of the medium particles, so that moisture in the mud-containing wastewater is evaporated, solids (including salt, sludge and the like) are condensed on the surface of the medium particles, that is, the surface of the medium particles discharged from the discharge port is dry, then the dry medium particles spray the mud-containing wastewater to the surface of the medium particles through the nozzle again, and the mud-containing wastewater is conveyed to the feed inlet again through the conveying part and circulates in sequence.

Namely, the medium particles are recycled, a large number of medium particles are used as carriers of the muddy wastewater, continuous evaporation and drying of the wastewater are realized through the roller and the dryer, and in the process that the particle medium rolls in the roller and collides, solids condensed on the surface of the particle medium fall off and are separated out in the form of powder particles, so that zero emission of the wastewater is realized.

In this embodiment, the specific arrangement position of the nozzle is not required, and if the nozzle is arranged at the discharge port of the drum, the nozzle may be arranged at the feed port or in the middle of the conveying part, as long as the nozzle can spray the sludge-containing waste water onto the surface of the drum when the medium particles are outside the drum, and the arrangement is not particularly limited herein. The solid in the mud-containing wastewater is condensed on the surface of the medium particles instead of being adhered to the wall of the roller, so that the long-term continuous and stable operation of the roller can be ensured, and the separation efficiency is further ensured.

Simultaneously, at the in-process that the feed inlet of medium granule conveyed to the cylinder by the discharge gate of cylinder through conveying part, can change the medium granule, can not influence this muddy waste water separator's whole operation simultaneously, the medium granule can realize changing on line promptly, and it is comparatively convenient to change.

The medium granule is at the surface that gets into the cylinder and spout muddy waste water to the medium granule through the nozzle, consequently, no matter the moisture content in the muddy waste water is high or low, all can realize, and the muddy waste water separator that contains that this embodiment provided is applicable to the muddy waste water of different moisture contents promptly, and overall structure is simple, convenient control.

Optionally, the wall of the drum is a mesh structure, and the mesh gaps of the mesh structure are smaller than the particle size of the medium particles.

Optionally, the dryer includes a housing, a heater and a blower, an air inlet pipe is disposed at a lower portion of the housing, and an air outlet pipe is disposed at an upper portion of the housing; the roller is positioned in the shell, and external air can enter the shell through the air inlet pipe after being heated by the heater under the action of the blower.

Optionally, the air inlet pipe is provided with a plurality of air inlet holes at intervals along the length direction of the air inlet pipe.

Optionally, the device further comprises a discharging machine, a first ash hopper is arranged at the bottom of the shell, and the discharging machine is located below the first ash hopper.

Optionally, the dust remover is further included, a material inlet of the dust remover is communicated with the air outlet pipe, and a material outlet of the dust remover is provided with a second ash bucket.

Optionally, the inner wall of the drum is further provided with vanes.

Optionally, the angle between the axis of the drum and the horizontal plane is 0 ° to 45 °.

Optionally, the system further comprises a sewage storage tank and a water pump, wherein the sewage storage tank is communicated with the nozzle through a water pipe, and the water pump is used for pumping the muddy wastewater in the sewage storage tank into the nozzle.

Optionally, the media particles are spherical in structure.

Drawings

FIG. 1 is a schematic structural diagram of a mud-containing wastewater separation device provided by an embodiment of the present invention;

fig. 2 is a schematic view of the inner structure of the drum of fig. 1.

In FIGS. 1-2, the reference numbers are illustrated as follows:

1-roller, 11-feeding inlet, 12-discharging outlet and 13-blade; 21-shell, 22-heater, 23-blower, 24-air inlet pipe, 241-air inlet hole, 25-air outlet pipe; 3-media particles; 4-a nozzle; 51-belt conveyor, 52-elevator; 6-a first ash bucket; 7-a discharging machine; 81-dust remover, 82-second ash bucket; 9-a sewage storage tank; 10-water pump.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-2, fig. 1 is a schematic structural diagram of a mud-containing wastewater separation device provided in an embodiment of the present invention; fig. 2 is a schematic view of the inner structure of the drum of fig. 1.

The embodiment of the utility model provides a mud-containing wastewater separation device, as shown in figure 1, the mud-containing wastewater separation device comprises a roller 1, a dryer, medium particles 3, a nozzle 4 and a conveying part; wherein, the dryer is used for drying the solid in the roller 1; the conveying part is positioned on the outer side of the roller 1 and is connected with the discharge port 12 and the feed port 11 of the roller 1 for conveying the medium particles 3 discharged from the discharge port 12 to the feed port 11, and the nozzle 4 is communicated with the sewage pipe and positioned on the outer side of the roller 1 for spraying sewage to the medium particles 3.

Specifically, the nozzle 4 sprays the sludge-containing wastewater to the surfaces of the medium particles 3 outside the drum 1, then the conveying part conveys the medium particles 3 to the feed inlet 11 of the drum 1, after the medium particles 3 enter the drum 1 from the feed inlet 11, the medium particles move to the discharge outlet 12 of the drum 1 under the rolling action of the drum 1, when the medium particles 3 are in the drum 1, the dryer dries the surfaces of the medium particles 3, so that moisture in the sludge-containing wastewater is evaporated, solids (including salt, sludge and the like) are condensed on the surfaces of the medium particles 3, that is, the surfaces of the medium particles 3 discharged from the discharge outlet 12 are dry, and then the dried medium particles 3 again pass through the nozzle 4 to spray the sludge-containing wastewater to the surfaces thereof and are conveyed to the feed inlet 11 again through the conveying part to be sequentially circulated.

That is, in this embodiment, the media particles 3 are recycled, a large amount of the media particles 3 are used as carriers of the muddy wastewater, continuous evaporation and drying of the wastewater are realized through the drum 1 and the dryer, and in the process that the particulate media 3 roll and collide in the drum 1, solids condensed on the surface of the particulate media 3 fall and are separated in the form of powder particles, so that zero discharge of the wastewater is realized.

In this embodiment, the specific location of the nozzle 4 is not required, and as shown in fig. 1, the nozzle 4 may be disposed at the discharge port 12 of the drum, or may be disposed at the feed port 11 or the middle of the conveying part, as long as the nozzle 4 can spray the sludge-containing waste water onto the surface of the medium particles 3 when the medium particles 3 are located outside the drum 1, and there is no specific limitation here. The solid in the mud-containing wastewater is condensed on the surface of the medium particles 3 instead of being adhered to the wall of the roller 1, so that the long-term continuous and stable operation of the roller 1 can be ensured, and the separation efficiency is further ensured.

Simultaneously, at medium granule 3 by the discharge gate 12 of cylinder 1 through the in-process that the feed inlet 11 of conveying portion carried to cylinder 1, can change medium granule 3, can not influence this muddy waste water separator's whole operation simultaneously, medium granule 3 can realize changing on line promptly, and it is comparatively convenient to change.

Medium granule 3 sprays the surface to medium granule 3 with mud-containing waste water through nozzle 4 in getting into cylinder 1, consequently, no matter the moisture content in the mud-containing waste water is high or low, all can realize, and the mud-containing waste water separator that this embodiment provided is applicable to the mud-containing waste water of different moisture contents promptly, and overall structure is simple, convenient control.

In the above embodiment, the cylinder wall of the roller 1 is a mesh structure, and the mesh gaps of the mesh structure are smaller than the particle size of the medium particles 3, so as to prevent the medium particles 3 from falling along the mesh gaps, because the medium particles 3 roll in the roller 1, at this time, the solid condensed on the surface of the medium particles 3 can fall into the roller 1 in the collision process of the medium particles 3, therefore, the cylinder wall of the roller 1 is set to be the mesh structure, the dry solid can be discharged in time, and the cleaning in the roller 1 is ensured to avoid influencing the separation in the later period.

Here, the mesh voids of the mesh structure and the particle size of the medium particles 3 are not particularly required, and both may be determined as the case may be. As in the embodiment, the particle size of the medium particles 3 is set to be 1-20 mm, so that the medium particles 3 have sufficient specific surface area and momentum. And the pore diameter of each medium particle 3 can be the same or different, and is not particularly required. In addition, in this embodiment, the medium particles 3 are ceramic particles, which have good corrosion resistance and hydrophilic surface, can drive the mud-containing wastewater into the roller 1, and have good wear resistance and long service life.

In the above embodiment, the dryer includes a casing 21, a heater 22 and a blower 23, wherein the lower part of the casing 21 is provided with an air inlet pipe 24, and the upper part of the casing 21 is provided with an air outlet pipe 25; the drum 1 is positioned in the casing 21, and outside air can be heated by the blower 23 through the heater 22 and then introduced into the casing 21 through the air inlet duct 24. After the external air is heated by the heater 22 and enters the housing 21, the heated air enters the drum 1 along the gaps of the meshes because the drum wall of the drum 1 is of a net structure, so that the moisture in the drum 1 is evaporated and the solid in the drum 1 is dried. The dry solid discharged from the wall of the drum 1 enters the housing 21, and is prevented from being discharged into the air to affect the cleaning of the surrounding environment.

Further, the air inlet duct 24 is provided with a plurality of air inlet holes 241 at intervals along the length direction thereof so as to uniformly discharge the heated air into the housing 21 and further uniformly enter the drum 1 to uniformly dry the inside of the drum 1. Also, the upper portion of the housing 21 is provided with a plurality of air outlet pipes 25 so that the air in the housing 21 is uniformly discharged.

In the above embodiment, the device for separating mud-containing wastewater further comprises a discharging machine 7, the bottom of the housing 21 is provided with a first ash hopper 6, the discharging machine 7 is located below the first ash hopper 6, and the solids discharged from the wall of the drum 1 enter the housing 21, fall into the first ash hopper 6 under the action of gravity, and are further discharged intensively through the discharging machine 7. As shown in fig. 1, in this embodiment, the housing 21 is provided with four first ash hoppers 6, the bottom of each first ash hopper 6 is communicated with the discharging machine 7, and the discharging machine 7 can discharge the solids discharged from each first ash hopper 6 in a concentrated manner, so that the inside of the housing 21 can be cleaned conveniently without stopping operation, and the continuity is good.

In the above embodiment, the device for separating mud-containing wastewater further comprises a dust remover 81, the material inlet of the dust remover 81 is communicated with the air outlet pipe 25 of the housing 21, and the material outlet of the dust remover 81 is provided with the second ash bucket 82. Along with constantly stirring and colliding, the solid that medium granule 3 surface condenses is peeled off and is dropped and discharge along the net gap and get into in the casing 21, wherein, partly solid is as above fall into first ash bucket 6 under the effect of gravity in, and another part is then along the tuber pipe 25 discharge to the dust remover 81 in to the dust removal effect through dust remover 81 makes the solid fall into second ash bucket 82 in, has realized collecting the solid in the gas, avoids causing the pollution to the outside air. Specifically, the dust collector 81 may be a bag-type dust collector, a cyclone separator, or any other dust collector, and is not particularly required herein.

In the above embodiment, the inner wall of the roller 1 is further provided with the vanes 13, and during the rolling process of the roller 1, the vanes 13 can collide with the media particles 3, so that the solid coagulated on the surfaces of the media particles 3 falls off, and the separation between the media particles 3 and the solid is realized.

In the above embodiment, the angle between the axis of the drum 1 and the horizontal plane is 0 ° to 45 °, that is, the drum 1 is placed horizontally or obliquely, as shown in fig. 1, and in the present embodiment, the drum 1 is placed horizontally, and the angle between the axis and the horizontal plane is 0 °. Of course, in this embodiment, the included angle between the axis of the drum 1 and the horizontal plane may be set to 50 ° or 60 °, and the included angle of 0 ° to 45 ° may ensure the retention time of the medium particles 3 in the drum 1, and ensure that the dryer can fully evaporate the moisture on the surface of the medium particles 3.

Meanwhile, the conveying part comprises a belt conveyor 51 and a lifter 52, wherein the belt conveyor 51 is positioned below the roller 1, and the lifter 52 is arranged between the belt conveyor 51 and the feed inlet 11 of the roller 1 and is used for lifting the medium particles 3 conveyed by the belt conveyor 51 to the feed inlet 11.

Further, the vanes 13 in the drum 1 may be provided as vanes 13 having a guiding function, such as spirally arranged vanes 13, capable of guiding the media particles 3 in the drum 1 to the discharge port 12 of the drum 1 for discharging the media particles 3. I.e. the blades 13 are able to continuously agitate the media particles 3 and to guide the media particles 3 in a directed movement.

In the above embodiment, the sludge-containing wastewater separation apparatus further comprises a sewage storage tank 9 and a water pump 10, wherein the sewage storage tank 9 is used for storing sludge-containing wastewater, the sewage storage tank 9 is used for storing sludge-containing wastewater and is communicated with the nozzle 4 through a water pipe, and the water pump 10 is used for pumping the sludge-containing wastewater in the sewage storage tank 9 into the nozzle 4 and spraying the sludge-containing wastewater onto the surface of the medium particles 3. The arrangement of the sewage storage tank 9 and the water pump 10 can simplify the operation process of the mud-containing wastewater separation device, and ensure that the continuous separation is stably carried out.

In the above embodiment, the medium particles 3 are spherical, which can ensure the fluidity of the medium particles 3 in the roller 1, and avoid the adhesion of the medium particles 3 or the occurrence of the jamming of the medium particles 3 with the inner wall of the roller 1.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A mud-containing wastewater separation device is characterized by comprising a roller (1), a dryer, medium particles (3), a nozzle (4) and a conveying part;

the dryer is used for drying the solid in the drum (1);

the conveying part is positioned on the outer side of the roller (1), is connected with a discharge hole (12) and a feed hole (11) of the roller (1), and is used for conveying the medium particles (3) discharged from the discharge hole (12) to the feed hole (11);

the nozzle (4) is arranged on the outer side of the roller (1) and is used for spraying the mud-containing waste water to the medium particles (3).

2. The device for separating mud-containing waste water according to claim 1, wherein the wall of the drum (1) is a net structure, and the net gaps of the net structure are smaller than the particle size of the medium particles (3).

3. The device for separating mud-containing waste water according to claim 2, wherein the dryer comprises a housing (21), a heater (22) and a blower (23), the lower part of the housing (21) is provided with an air inlet pipe (24), and the upper part of the housing (21) is provided with an air outlet pipe (25);

the roller (1) is positioned in the shell (21), and external air can enter the shell (21) through the air inlet pipe (24) after being heated by the heater (22) under the action of the blower (23).

4. The sludge-containing wastewater separation apparatus as claimed in claim 3, wherein said air inlet duct (24) is provided with a plurality of air inlet holes (241) at intervals along a length direction thereof.

5. The device for separating mud-containing waste water according to claim 3, further comprising a discharger (7), wherein the bottom of the housing (21) is provided with a first ash hopper (6), and the discharger (7) is positioned below the first ash hopper (6).

6. The device for separating the mud-containing wastewater as claimed in claim 3, further comprising a dust collector (81), wherein a material inlet of the dust collector (81) is communicated with the air outlet pipe (25), and a material outlet of the dust collector (81) is provided with a second ash bucket (82).

7. The device for separating mud-containing waste water according to any of the claims 2-6, characterized in that the inner wall of the drum (1) is further provided with blades (13).

8. The device for separating mud-containing waste water according to any of the claims 1-6, wherein the angle between the axis of the drum (1) and the horizontal plane is 0-45 °.

9. The device for separating mud-containing waste water according to any one of claims 1-6, further comprising a sewage storage tank (9) and a water pump (10), wherein the sewage storage tank (9) is communicated with the nozzle (4) through a water pipe, and the water pump (10) is used for pumping the mud-containing waste water in the sewage storage tank (9) into the nozzle (4).

10. The device for separating sludge-containing waste water according to any one of claims 1 to 6 wherein the media particles (3) have a spherical structure.