CN115367966A

CN115367966A - Solid-liquid separation waste water evaporation equipment

Info

Publication number: CN115367966A
Application number: CN202211052166.9A
Authority: CN
Inventors: 林希光; 林仁放; 林晶
Original assignee: Fujian Zhongwei Xialin Biotechnology Co ltd
Current assignee: Fujian Zhongwei Xialin Biotechnology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-11-22

Abstract

The invention relates to a solid-liquid separation waste water evaporation device, which comprises an outer roller which is driven by a power device and transversely arranged, wherein at least one group of dispersing inner rollers are arranged in the inner cavity of the outer roller at intervals along the axial direction of the outer roller, and a waste water inlet pipe and a first air inlet pipe extend into the dispersing inner rollers; the output end of the outer roller is connected with the input end of the excrement residue extruder; the outer drum rotates to throw out water through the mesh and the centrifugal force, solid manure is left in the outer drum to realize solid-liquid separation, and the separated waste water flows to a waste water evaporation device for evaporation treatment; the upper part of the invention is mainly solid-liquid separation and assisted by waste water evaporation, and the lower part is waste water evaporation equipment mainly used for waste water evaporation, the waste water thrown out by solid-liquid separation is sprayed to a curtain, and natural evaporation and chimney type negative pressure discharge are carried out, or evaporation efficiency is enhanced in closed, hot air and negative pressure, so that solid-liquid separation and waste water evaporation are realized.

Description

Solid-liquid separation waste water evaporation equipment

Technical Field

The invention relates to a solid-liquid separation waste water evaporation device, and belongs to the technical field of waste water treatment.

Background

The breeding industry is an important industry for the development of rural areas in China. In recent years, with the continuous expansion of breeding scale and the rapid increase of breeding quantity, a large amount of livestock and poultry excrement sewage becomes a pollution source, and if the breeding wastewater is not treated at all, the breeding wastewater is directly discharged into the environment, so that a large amount of rivers and lands are polluted; therefore, the problem which puzzles people for a long time in the cultivation pollution treatment is solved.

For example CN202110629903.6 a solid-liquid separation system of aquaculture wastewater ammonia nitrogen processing system, its side focus lies in solving solid-liquid separation, can not consider evaporating waste water, later stage still need special place to store the waste water after filtering, purpose that waste water evaporation was handled: firstly, the construction cost and land for environment-friendly facilities are saved, and the construction of a culture pond and an aeration tank is greatly reduced; secondly, the wastewater treatment efficiency is improved; and thirdly, the method has great practical significance for eliminating waste water in the area with insufficient digestion area.

Disclosure of Invention

The invention aims to provide a solid-liquid separation waste water evaporation device to solve the problem of evaporating waste water while solid-liquid separation is solved in the prior art.

The technical scheme of the invention is as follows:

a solid-liquid separation waste water evaporation device comprises an outer roller which is transversely arranged and driven by a power device, wherein the outer roller rotates in a solid-liquid separation gasification chamber by taking a hollow bearing system as an axis, and an inner cavity of the hollow bearing system is used for extending a waste water inlet pipe and a first air inlet pipe into a stirring inner roller;

the outer drum throws out liquid through meshes of the outer drum, a sectional spiral dung slag pushing plate is arranged on the inner side wall of the outer drum, and a second arc-shaped She Shanban with two symmetrical sides and sectional shapes are arranged on the outer side wall of the outer drum;

the output end of the outer roller for discharging the solid manure is connected with the input end of the manure extruder;

at least one group of stirring inner rollers are distributed in the inner cavity of the outer roller along the axial direction at intervals.

Preferably, the outer drum comprises a perforated drum and a screen attached to the inner side of the perforated drum.

Preferably, the waste water inlet pipe and the first air inlet pipe are both provided with a heating device; the solid-liquid separation gasification chamber is provided with a first exhaust pipe, and the first exhaust pipe is provided with a first exhaust fan.

Preferably, stir interior cylinder of loosing and include a plurality of scattered water boards around the even dislocation interval distribution in outer cylinder center, the hole that leaks has been seted up on the scattered water board, scattered water board lateral wall rigid coupling has at least a set of first arc leaf sector, scattered water board, first arc leaf sector are followed the outer cylinder rotation and are used for the scattered water respectively and produce outside air current.

Preferably, the liquid separated in the solid-liquid separation gasification chamber is connected with a wastewater evaporation device through a water outlet pipe.

Preferably, the waste water evaporation equipment comprises a plurality of groups of curtains which are made of water absorbing materials and are vertically arranged, and the plurality of groups of curtains are arranged at intervals in the horizontal direction.

Preferably, a second air inlet pipe aligned with a plurality of groups of the hanging curtains is arranged and used for conveying hot air; and a second exhaust pipe is arranged on the wastewater evaporation equipment, and a second air extractor is arranged on the second exhaust pipe.

Preferably, the water outlet pipe uniformly conveys the liquid to each curtain through the water distribution device.

Preferably, a water collecting tank is arranged below the wastewater evaporation equipment, and the water collecting tank is provided with a water outlet.

Preferably, the water outlet is connected with a frame type wastewater evaporation device.

Preferably, the outer cylinder is connected with the excrement sediment extruder through a guide groove, the guide groove is used for linking up the one end of outer cylinder and is the horn mouth structure.

The invention has the following beneficial effects:

the upper part of the invention is mainly solid-liquid separation and assisted by waste water evaporation, and the lower part is waste water evaporation equipment mainly used for waste water evaporation, the waste water thrown out by solid-liquid separation is sprayed to a curtain, and natural evaporation and chimney type negative pressure discharge are carried out, or evaporation efficiency is enhanced in closed, hot air and negative pressure, so that solid-liquid separation and waste water evaporation are realized.

The waste water mixed with solid and liquid is conveyed to the inner part of the stirring inner roller of the inner cavity of the outer roller through the transversely arranged outer roller, the outer roller rotates to throw out moisture through the cooperation of meshes of the outer roller and centrifugal force, and solid manure is left in the outer roller to realize solid-liquid separation;

the stirring and dispersing inner drum is driven to rotate along with the outer drum in the rotating process, and generates outward air flow through the rotation of the arc She Shanban of the stirring and dispersing inner drum, so that the heat absorption and stirring of water dispersion are facilitated, the evaporation efficiency is improved, and excrement and slag are not accumulated.

The components mainly realize the solid-liquid separation function, have partial wastewater evaporation capacity and form a device mainly for solid-liquid separation and secondarily for wastewater evaporation;

in order to meet the requirement of waste water evaporation, open waste water evaporation equipment is specially arranged for waste water evaporation; separating solid from liquid, throwing out non-gasified water, spraying and hanging curtain, naturally evaporating, chimney type negative pressure discharging or enhancing evaporation efficiency in closed, hot air and negative pressure, and realizing solid-liquid separation and odorless wastewater evaporation by combining the physical method and the compound microorganism multi-stage aeration degradation process; thereby realizing the solid-liquid separation and the waste water evaporation capacity, saving the construction cost and land for environmental protection facilities, and greatly reducing the construction of a culture pond and an aeration tank; has great practical significance for eliminating waste water in the area with deficient digestion area.

Drawings

FIG. 1 is a front view of the apparatus of the present invention;

FIG. 2 is a side view of the apparatus of the present invention;

FIG. 3 is a schematic view of the construction of the dispersing inner drum and the outer drum of the present invention;

fig. 4 is a structural schematic view of a frame type wastewater evaporation device of the invention.

The reference numbers in the figures denote:

1. a wastewater inlet pipe; 2. a first intake pipe; 3. a hollow bearing system; 4. stirring the inner drum; 41. a water-dispersing plate; 42. a first arc-shaped blade fan plate; 5. an outer drum; 51. a spiral fecal slag pushing plate; 52. a second arc She Shanban; 6. a water outlet pipe; 7. supporting the rollers; 8. a first exhaust pipe; 9. a first exhaust fan; 10. a power plant; 11. a guide groove; 12. a manure extruder; 13. a three-way pipe; 14. a water diversion device; 15. a wastewater evaporation plant; 151. hanging a curtain; 16. a second intake pipe; 17. a water collection tank; 18. a second exhaust pipe; 19. a second exhaust fan; 20. a water outlet; 100. a solid-liquid separation gasification chamber.

Detailed Description

The invention is described in detail below with reference to the figures and the specific embodiments.

As shown in fig. 1-4:

separating under the action of a rotating centrifugal force according to the characteristics of slag and water; meanwhile, by combining and applying a biochemical cycle comprehensive technology, COD, ammonia, nitrogen, total phosphorus, SS and the like in the wastewater are greatly degraded and reduced, after odor is basically eliminated, solid-liquid separation is carried out on the front end side of the process, and evaporation treatment is carried out on the wastewater on the rear end side.

The purpose of solid-liquid separation is to separate the excrement slag to be used as organic fertilizer for resource utilization; and secondly, the separation of the manure and the slag is beneficial to the biological degradation and the evaporation treatment of the waste water. The purpose of the evaporation treatment of the wastewater is as follows: firstly, the construction cost and land for environment-friendly facilities are saved, and the construction of a culture pond and an aeration tank is greatly reduced; secondly, the wastewater treatment efficiency is improved; and thirdly, the method has great practical significance for eliminating waste water in the area with insufficient digestion area.

The front ends of the wastewater inlet pipe 1, the first air inlet pipe 2 and the second air inlet pipe 16 are respectively provided with a heating device with adjustable temperature, when needed, the heating temperature is 55-70 ℃, the temperature in the interval inhibits or kills pathogenic bacteria, worm eggs and weed seeds, beneficial bacteria can normally grow, the temperature for separating manure can be increased, the composting fermentation decomposition time is shortened, and the gasification and evaporation of wastewater are facilitated.

Hollow bearing system 3 can adopt hollow shaft structural design, and waste water inlet tube 1 and first intake pipe 2 relatively fixed pass 3 inner chambers of hollow bearing system and extend to in dispersing interior cylinder 4, and the breed waste water of solid-liquid mixture is carried to dispersing interior cylinder 4 in through waste water inlet tube 1, and steam is carried to dispersing interior cylinder 4 in through first intake pipe 2.

The outer roller 5 is transversely arranged, the included angle between the outer roller 5 and the horizontal plane is 0-5 degrees, and the outer roller 5 has a certain inclined angle which is beneficial to conveying solid manure in the outer roller to the guide groove 11; the power device 10 can adopt an electric gearbox and a belt mechanism to cooperate with each other to provide power for the outer roller 5 to rotate by taking the hollow bearing system 3 as a center;

the length of the outer drum 5 can be designed according to the increase of the workload of solid-liquid separation, the larger the workload is, the larger the diameter and the length of the outer drum 5 are, and meanwhile, the power of the power device 10 is improved to accelerate the linear velocity.

As shown in fig. 3, the outer drum 5 comprises a perforated cylinder and a screen which are coaxial, the perforated cylinder is a supporting net made of a large-hole and supporting pore plate and is rotatably connected in the solid-liquid separation gasification chamber 100 through a supporting roller 7, the inner wall of the perforated cylinder is provided with a sectional type spiral manure pushing plate 51, and the outer wall of the perforated cylinder is provided with a sectional type second arc She Shanban; a 200-mesh screen is attached to the inner side of the perforated cylinder, and a spiral excrement residue pushing plate 51 penetrates through the screen; the mesh aperture of the perforated cylinder is larger than that of the screen mesh;

as shown in fig. 1 and 3, the inner stirring and dispersing drum 4 is a 10-mesh plate with three (six equal area) water dispersing plates 41 (10-mesh plate) which are disconnected between two sections and equally spaced at each section, both ends of each water dispersing plate 41 (in an arc structure) are fixed on a small-diameter drum ring, the small-diameter drum ring is respectively connected with a plurality of support rods on the inner side wall support points of the outer drum 5, two segmented first arc-shaped leaf fan plates 42 which push air upwards are respectively welded on the outer side surfaces of the water dispersing plates 41, the water dispersing plates 41 cannot influence the passing of wastewater, and the segmented first arc-shaped leaf fan plates 42 rotate along with the outer drum 5 to facilitate the heat absorption, stirring and evaporation efficiency improvement and avoid manure accumulation;

a space is reserved between the inner side wall of the solid-liquid separation gasification chamber 100 with a square outer frame and the outer side wall of the outer roller 5, a guide groove 11 is installed in the solid-liquid separation gasification chamber 100, the upper end of the guide groove 11 is in a bell mouth shape and is connected with the dung slag thrown out by the outer roller 5, and the lower end of the guide groove 11 is connected with a dung slag extruder 12; the top of the solid-liquid separation gasification chamber 100 with a square outer frame is provided with a quadrangular frustum pyramid-shaped gas receiving chamber which is connected with a first exhaust pipe 8 to exhaust evaporated gas.

The inner bottom wall of the solid-liquid separation gasification chamber 100 is provided with a water outlet pipe 6, and part of the upper surface opening of the inner cavity of the solid-liquid separation gasification chamber 100 is used for collecting water thrown out by the outer roller 5 and leading out the water in a centralized way; the water outlet pipe 6 extends to the outside of the solid-liquid separation gasification chamber 100 and is provided with a three-way pipe 13, one path of the three-way pipe 13 is conveyed to the water storage tank, and the other path of the three-way pipe is conveyed to the waste water evaporation equipment 15.

The top of the solid-liquid separation gasification chamber 100 is provided with a first exhaust pipe 8, a first exhaust fan 9 is arranged in the first exhaust pipe 8, and the first exhaust fan 9 works to generate negative pressure to discharge steam in the solid-liquid separation gasification chamber 100 to the outside through the first exhaust pipe 8.

As shown in fig. 1, the waste water evaporation equipment 15 is of an open structure, and comprises an outer frame support and vertically arranged hanging curtains 151, wherein a plurality of groups of hanging curtains 151 are horizontally arranged at equal intervals, the hanging curtains 151 are made of water-absorbing materials with hooks, side plates for wrapping the hanging curtains 151 are arranged on the outer frame support, one group of side plates are fixed, and other side plates are movably and detachably arranged, so that the maintenance is facilitated; is beneficial to opening in summer and autumn and naturally evaporating to emit water. The wastewater dropped from the curtain 151 falls into the water collection tank 17; the second suction fan 19 generates negative pressure to discharge the steam evaporated by the multiple groups of curtains 151 to the outside through the second water discharge pipe 18.

The water diversion device 14 can adopt a horizontally arranged water pipe and is positioned above the in-line arranged curtain 151, one end of the water pipe is connected with the water outlet pipe 6, the other end of the water pipe is closed, holes are drilled on the upper surface of the water pipe to form concave water diversion grooves, the concave water diversion grooves correspond to the curtain 151 one by one, and wastewater in the water pipe overflows through the concave water diversion grooves to facilitate the water to be sprinkled on the curtain 151 below;

or the water diversion device 14 can adopt a horizontally arranged water pipe and is positioned above the linear arranged curtain 151, the water pipe is additionally provided with a booster pump, and the bottom of the water pipe is perforated to realize spraying of all the curtains 151.

As shown in fig. 1 and 4, the water collected in the water collection tank 17 is connected to the frame-type wastewater evaporation equipment through the water outlet 20. Frame waste water evaporation equipment's structure is similar with waste water evaporation equipment 15, can open around frame waste water evaporation equipment and adopt natural wind evaporation waste water.

The specific working process is as follows:

the solid-liquid mixed aquaculture wastewater is conveyed into a stirring inner drum 4 of an outer drum 5 through a wastewater inlet pipe 1, hot gas is conveyed into the stirring inner drum 4 through a first air inlet pipe 2, a power device 10 drives the outer drum 5 and the stirring inner drum 4 to rotate, the outer drum 5 rotates to generate centrifugal force to throw the wastewater outwards, part of the formed steam is sucked by negative pressure of a first exhaust fan 9 and is discharged outwards from a first exhaust pipe 8, the rest wastewater is concentrated into a water outlet pipe 6, and the remaining wastewater can be guided to a water storage pool or a wastewater evaporation device 15 through valve control on the water outlet pipe 6;

solid manure residues in the solid-liquid mixed aquaculture wastewater are left in the outer roller 5 and are conveyed to the manure residue extruder 12 through the guide groove 11, dry residues discharged from the manure residue extruder 12 are used as organic fertilizer raw materials, and extruded water flows into the water collecting tank 17 and then flows into the water storage tank or the frame type wastewater evaporation equipment through the water outlet 20.

The waste water in the water outlet pipe 6 is uniformly sprayed on the curtain 151 through the water distribution equipment, the area of the curtain 151 is the waste water evaporation area, and the curtain can be opened in summer and autumn to naturally evaporate and disperse the water on the curtain 151; hot air can be conveyed to each curtain 151 through the second air inlet pipe 16, so that the evaporation of the wastewater absorbed in the curtains 151 in the evaporation cavity is promoted; the water is uniformly discharged to the sky through the negative pressure in the second exhaust pipe 18.

The water collected in the water collecting tank 17 is conveyed to the frame type wastewater evaporation equipment through the water outlet 20, and the frame type wastewater evaporation equipment evaporates the wastewater again.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a solid-liquid separation waste water evaporation equipment which characterized in that: the device comprises an outer roller (5) which is driven by a power device (10) and transversely arranged, wherein the outer roller (5) rotates in a solid-liquid separation gasification chamber (100) by taking a hollow bearing system (3) as an axis, and an inner cavity of the hollow bearing system (3) is used for extending a wastewater inlet pipe (1) and a first air inlet pipe (2) into a stirring inner roller (4);

the outer drum (5) throws out liquid through meshes of the outer drum, a sectional spiral fecal dreg pushing plate (51) is arranged on the inner side wall of the outer drum (5), and a sectional second arc She Shanban (52) with symmetrical sides is arranged on the outer side wall of the outer drum (5);

the output end of the outer roller (5) for discharging solid manure residues is connected with the input end of the manure residue extruder (12);

the inner cavity of the outer roller (5) is provided with at least one group of stirring inner rollers (4) at intervals along the axial direction.

2. The solid-liquid separation wastewater evaporation equipment of claim 1, wherein: the outer drum (5) comprises a perforated drum and a screen attached to the inner side of the perforated drum.

3. The solid-liquid separation wastewater evaporation equipment of claim 1, wherein: heating devices are arranged on the wastewater inlet pipe (1) and the first air inlet pipe (2); install first blast pipe (8) on solid-liquid separation vaporizer (100), install first air exhauster (9) on first blast pipe (8).

4. The solid-liquid separation wastewater evaporation equipment of claim 1, wherein: stir interior cylinder (4) of loosing and include a plurality of scattered water board (41) around outer cylinder (5) center even dislocation interval distribution, the hole that leaks has been seted up on scattered water board (41), scattered water board (41) lateral wall rigid coupling has at least a set of first arc leaf fan board (42), scattered water board (41), first arc leaf fan board (42) are followed outer cylinder (5) and are rotated and be used for the scattered water respectively and produce outside air current.

5. The solid-liquid separation wastewater evaporation equipment of claim 4, wherein: the liquid separated in the solid-liquid separation gasification chamber (100) is connected with a waste water evaporation device (15) through a water outlet pipe (6).

6. The solid-liquid separation wastewater evaporation equipment of claim 5, wherein: the waste water evaporation equipment (15) comprises a plurality of groups of curtains (151) which are made of water-absorbing materials and are vertically arranged, and the plurality of groups of curtains (151) are arranged at intervals along the horizontal direction.

7. The solid-liquid separation wastewater evaporation equipment of claim 6, wherein: a second air inlet pipe (16) aligned with a plurality of groups of the hanging curtains (151) is arranged, and the second air inlet pipe (16) is used for conveying hot air; and a second exhaust pipe (18) is arranged on the waste water evaporation equipment (15), and a second air extractor (19) is arranged on the second exhaust pipe (18).

8. The solid-liquid separation wastewater evaporation equipment of claim 6, wherein: the water outlet pipe (6) uniformly conveys the liquid to each curtain (151) through the water distribution device (14).

9. The solid-liquid separation wastewater evaporation equipment of claim 6, wherein: a water collecting tank (17) is arranged below the waste water evaporation equipment (15), and a water outlet (20) is arranged on the water collecting tank (17).

10. The solid-liquid separation wastewater evaporation equipment of claim 9, wherein: the water outlet (20) is connected with the frame type wastewater evaporation equipment.