CN112897637A

CN112897637A - Environment-friendly dry-wet separation device for sewage treatment

Info

Publication number: CN112897637A
Application number: CN202011620882.3A
Authority: CN
Inventors: 张�浩
Original assignee: Yunnan Normal University
Current assignee: Yunnan University YNU; Yunnan Normal University
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-06-04
Anticipated expiration: 2040-12-31
Also published as: CN112897637B

Abstract

The invention relates to an environment-friendly dry-wet separation device for sewage treatment, belonging to the field of sewage treatment equipment; the sewage treatment device comprises a dry-wet separation box body, a steam treatment device, a water collecting tank, a separable base, a driving mechanism, a conveying belt mechanism and a waste material conveying device, wherein a stirring device used for driving sewage to do centrifugal motion is arranged in the dry-wet separation box body, the dry-wet separation box body is communicated with the steam treatment device, water formed by the steam treatment device flows into the water collecting tank to be collected, the separable base is arranged at the bottom of the dry-wet separation box body, the driving mechanism used for driving the base to ascend and descend and overturn is connected onto the base, the steam generation device used for evaporating residual water in the waste material is arranged on; according to the invention, through carrying out dry-wet separation on sewage, the separated solid impurities can be collected through the conveyor belt mechanism, so that the influence on the environment is avoided, the utilization of wide resources and energy is realized, the environmental sanitation is greatly protected, and the waste of water resources is prevented.

Description

Environment-friendly dry-wet separation device for sewage treatment

Technical Field

The invention relates to an environment-friendly dry-wet separation device for sewage treatment, belonging to the field of sewage treatment equipment.

Background

At present sewage in the processing procedure, often contain a lot of impurity in the sewage, mud etc., these impurity, mud often are all that moist moisture content is higher, greatly increased the transportation degree of difficulty of mud, and mud has wide resourceization and energy utilization prospect, so need dry mud, be convenient for transport, the secondary treatment of being convenient for, current sludge drying device majority does not carry out the edulcoration to mud, the drying process is not abundant, mud appears the caking easily in drying device, the phenomenon of gluing the wall, dust and waste gas to the drying production do not handle, the pollution has been caused to the environment, and the structure is unstable.

Disclosure of Invention

In order to overcome the problems in the background art, the sewage is centrifugally stirred, a water source with less impurities is conveniently formed in the center, the sewage can be directly extracted and collected through a water pumping device, a steam generating device and a steam treatment device are installed, the steam generating device can be installed to carry out aeration work under the condition of sufficient water source, organic matters in the sewage are further consumed, high-temperature gas is formed under the condition of insufficient water source to form steam to enter the steam treatment device, gaseous water is changed into liquid state to be collected, the separated solid impurities are overturned through a driving mechanism, the solid impurities fall to a conveyor belt mechanism to be collected, the influence on the environment is avoided, wide resource and energy utilization are realized, the environmental sanitation is greatly protected, and the waste of water resources is prevented.

In order to overcome the problems in the background art and solve the problems, the invention is realized by the following technical scheme:

an environment-friendly dry-wet separation device for sewage treatment includes dry-wet separation box, agitating unit, pumping device, steam treatment device, actuating mechanism, steam generating device, conveyor belt mechanism, dry-wet separation box internally mounted has the agitating unit who is used for driving sewage and is centrifugal motion, and the central point of stirring puts the pumping device who installs connection collecting tank, and dry-wet separation box is linked together with steam treatment device, and rivers that form through steam treatment device go into collecting tank and collect, and separable base is installed to dry-wet separation bottom of the case portion, is connected with the actuating mechanism who is used for driving the base to go up and down and overturn on the base, and the steam generating device who makes the inside residual moisture evaporation of waste material is installed to the base inboard, and base downside installation conveyor belt mechanism, the waste material of empting through the upset on the base drops to the conveyor belt and carries the collection.

Preferably, agitating unit includes (mixing) shaft, helical blade, gear drive, second motor, the (mixing) shaft is top and bottom open-ended hollow structure, and the (mixing) shaft passes through the bearing and installs on wet-dry separation box, and the part that extends to in the wet-dry separation box is installed helical blade, and the part that extends to outside the wet-dry separation box passes through gear drive and connects the second motor.

Preferably, the water pumping device comprises a water outlet pipeline and a pump body, the water outlet pipeline is arranged inside the stirring shaft, the water outlet pipeline and the stirring shaft are in clearance fit, the pump body is connected to the water outlet pipeline, and the water outlet pipeline is communicated to the water collecting liquid tank.

Preferably, the steam generating device comprises a steam coil, a connecting pipe, an air inlet pipe, an air compressor head and a quick connecting pipe, wherein the steam coil is of a spirally-surrounding disc structure, the top of the steam coil is provided with an aeration hole, the steam coil is connected with the quick connecting pipe arranged on the base through the connecting pipe, and the bottom of the quick connecting pipe is connected with the air compressor head arranged on the base through the air inlet pipe.

Preferably, the steam coil is a flexible hose made of an elastic material.

Preferably, steam treatment device includes coolant liquid case, cooling water set, steam pipe, heat radiation fins, outlet conduit, shunt tubes, spiral cooling pipe, wet return, level sensor, solenoid valve, the coolant liquid case is linked together through steam pipe and dry wet separation box, installs heat radiation fins on the steam pipe, coolant liquid incasement internally mounted has shunt tubes and wet return, shunt tubes and wet return are connected to the water inlet and the return water mouth of cooling water set respectively, spiral cooling pipe is provided with the multiunit, and spiral cooling pipe one end is linked together with the shunt tubes, the other end is linked together with the wet return, the coolant liquid case is linked together through installation outlet conduit and water collecting tank, the last solenoid valve of installing of outlet conduit, and coolant liquid case internally mounted has the level sensor that the trigger solenoid valve closed or opened.

Preferably, actuating mechanism includes rotatory auxiliary device, speed reducer, first motor, pneumatic cylinder, connector, the backup pad is installed at the pneumatic cylinder top, and rotatory auxiliary device, speed reducer, first motor are installed at the backup pad top, first motor is connected with the speed reducer, and the output shaft of speed reducer is connected with the input shaft of rotatory auxiliary device, and the output shaft of rotatory auxiliary device is connected with the connector of installing on the base.

Preferably, the rotation assisting device comprises a shell, a movable inner sleeve, a first gear, a rack, a rotating shaft and a bearing, wherein the movable inner sleeve is connected inside the shell in a sliding mode, the rack is installed on the movable inner sleeve, the rotating shaft is installed on the front side and the rear side of the shell through the bearing, and the first gear meshed with the rack is installed on the rotating shaft.

The invention has the beneficial effects that:

according to the invention, sewage is centrifugally stirred, a water source with less impurities is conveniently formed in the center, the sewage can be directly pumped and collected through the water pumping device, the steam generating device and the steam treatment device are installed, the steam generating device can be installed to perform aeration work under the condition of sufficient water source so as to consume organic matters in the sewage, high-temperature gas is formed under the condition of insufficient water source to form steam to enter the steam treatment device, gaseous water is changed into liquid state to be collected, the separated solid impurities are overturned by the driving mechanism, the solid impurities fall to the conveyor belt mechanism to be collected, no influence is caused on the environment in the process, wide recycling and energy utilization are realized, the environmental sanitation is greatly protected, and the waste of water resources is prevented.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the steam processing apparatus of the present invention;

FIG. 3 is a schematic view of the lifting and rotating device of the present invention;

FIG. 4 is an enlarged schematic view of section A of the present invention;

FIG. 5 is an enlarged schematic view of section B of the present invention;

FIG. 6 is a schematic view of the internal structure of the rotation assisting apparatus of the present invention;

FIG. 7 is a cross-sectional view of the rotation assist device of the present invention.

The reference numbers in the figures are: 1-dry-wet separation box body, 2-stirring shaft, 3-base, 4-helical blade, 5-cooling liquid tank, 6-water chilling unit, 7-water collecting liquid tank, 8-rotary auxiliary device, 9-speed reducer, 10-first motor, 11-hydraulic cylinder, 12-conveyor belt mechanism, 13-steam conduit, 14-radiating fin, 15-pump body, 16-humidity sensor, 17-water outlet pipeline, 18-shunt pipe, 19-helical cooling pipe, 20-water return pipe, 21-steam coil pipe, 22-shell, 23-mobile inner sleeve, 24-first gear, 25-rack, 26-rotating shaft, 27-bearing, 28-supporting plate, 29-connector, 30-connecting pipe, etc, 31-an air inlet pipe, 32-an air compressor head, 33-a second motor, 34-a second gear, 35-a third gear, 36-a liquid level sensor, 37-an electromagnetic valve, 38-a quick connector and 39-a water inlet pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in fig. 1-7, the environment-friendly dry-wet separation device for sewage treatment comprises a dry-wet separation box body 1, a stirring device, a water pumping device, a steam treatment device, a driving mechanism, a steam generation device and a conveyor belt mechanism 12, wherein the stirring device for driving sewage to do centrifugal motion is arranged in the dry-wet separation box body 1, the sewage stirred by the stirring device is gradually layered in the dry-wet separation box body 1 to form solid impurities and liquid impurities and is collected in the inner wall of the dry-wet separation box body 1, so that the central position of the dry-wet separation box body 1 is a water source with less impurities, the water pumping device connected with a water collecting liquid tank 7 is arranged at the stirring central position, water at the central position of the dry-wet separation box body 1 is gradually pumped out by the water pumping device, the dry-wet separation box body 1 is communicated with the steam treatment device, and water formed by the, separable base 3 is installed to dry wet separation box 1 bottom, is connected with the actuating mechanism who is used for driving base 3 to go up and down and overturn on base 3, can separate base 3 and dry wet separation box 1 through the decline of drive base 3, and the waste material can be emptyd in the upset of later drive base 3. The steam generating device that makes the inside residual moisture of waste material evaporate is installed to 3 inboards of base, and 3 side-mounting conveyer belt mechanisms 12 under the base, the waste material of toppling over through the upset on the base 3 drops to the conveyer belt and carries and collect, and dry wet separation box 1 internally mounted has humidity transducer 16, can detect the inside humidity of dry wet separation box 1, crosses low when inside humidity, explains that dry wet separation box 1 is inside to become the dry condition, can open drive arrangement and unload.

Agitating unit includes (mixing) shaft 2, helical blade 4, gear drive, second motor 33, stirring shaft 2 is top and bottom open-ended hollow structure, and (mixing) shaft 2 passes through bearing 27 to be installed on wet-dry separation box 1, and the part that extends to wet-dry separation box 1 is installed helical blade 4, and the part that extends to wet-dry separation box 1 outside passes through gear drive and connects second motor 33. The water pumping device comprises a water outlet pipeline 17 and a pump body 15, wherein the water outlet pipeline 17 is installed inside the stirring shaft 2, the water outlet pipeline 17 and the stirring shaft 2 are in clearance fit, the pump body 15 is connected to the water outlet pipeline 17, and the water outlet pipeline 17 is communicated to the water collecting liquid tank 7. Through setting up (mixing) shaft 2 into hollow structure, be clearance fit between outlet conduit 17 and the (mixing) shaft 2 simultaneously, make (mixing) shaft 2 through gear drive mechanism and second motor 33 drive back, outlet conduit 17 still is located inside (mixing) shaft 2, the two independent work does not influence each other during, helical blade 4 stirs inside water source along a direction on the (mixing) shaft 2, through the high-speed transmission of second motor 33, form solid-state impurity and liquid impurity in the layering in inside gradually and draw in the wet separation box 1 inner wall futilely, make wet separation box 1 central point put into the water source that impurity is less, work through pump body 15 this moment, can take out the water that stirs central point and put.

The steam generating device comprises a steam coil 21, a connecting pipe 30, an air inlet pipe 31, an air compressor head 32 and a quick connection pipe 38, wherein the steam coil 21 is of a disc structure surrounded in a spiral mode, an aeration hole is formed in the top of the steam coil 21, the steam coil 21 is connected with the quick connection pipe 38 arranged on the base 3 through the connecting pipe 30, the bottom of the quick connection pipe 38 is connected with the air compressor head 32 arranged on the base 3 through the air inlet pipe 31, the steam coil 21 is a flexible hose made of elastic materials, aeration holes are uniformly formed in the flexible hose through perforating needles, high-pressure gas passes through the aeration pipe, the aeration hole of the aeration pipe is expanded under the elastic action of a pipe body, and foreign matters blocked at the hole can be blown away by the high-pressure gas. When oxygen is not added, after the air compressor head 32 stops working, the aeration pipe is contracted and closed due to elastic recovery and water extrusion, so that water is prevented from flowing backwards, when an internal water source is sufficient, the air compressor head 32 works, high-pressure gas passes through the aeration pipe, so that microorganisms in sewage can more fully absorb oxygen in the air to react, and organic matters in the sewage are consumed; when not oxygenating, inside water source is through pumping device constantly discharge the back, inside only has a small amount of water, accompany various impurity, mud, the waste material, at this moment, air compressor aircraft nose 32 inside actuating mechanism's cyclic reciprocating motion and friction, make produced compressed air have great heat, the temperature is higher, aeration hole discharge high temperature air, after high temperature air and impurity contact, make inside intensification, form vapor gradually and get into steam treatment device, impurity drying gradually forms the solid, accomplish and do wet separation work.

The steam treatment device comprises a cooling liquid tank 5, a water chilling unit 6, a steam guide pipe 13, radiating fins 14, a water outlet pipe 17, a shunt pipe 18, a spiral cooling pipe 19, a water return pipe 20, a liquid level sensor 36 and an electromagnetic valve 37, the cooling liquid tank 5 is communicated with the dry-wet separation tank body 1 through a steam conduit 13, the steam conduit 13 is provided with heat radiating fins 14, the cooling liquid tank 5 is internally provided with a shunt pipe 18 and a return pipe 20, the shunt pipe 18 and the return pipe 20 are respectively connected to a water inlet and a water return port of the water chilling unit 6, the spiral cooling pipes 19 are provided with a plurality of groups, one end of the spiral cooling pipe 19 is communicated with the shunt pipe 18, the other end is communicated with the return pipe 20, the cooling liquid tank 5 is communicated with the water collecting tank 7 through a water outlet pipeline 17, an electromagnetic valve 37 is arranged on the water outlet pipeline 17, and a liquid level sensor 36 for triggering the electromagnetic valve 37 to close or open is installed inside the cooling liquid tank 5. After steam generator formed steam, steam entered along steam pipe 13, carry out preliminary heat absorption cooling through heat radiation fins 14, later enter into coolant liquid case 5 inside, the cold water that cooling water set 6 produced enters through spiral cooling pipe 19 and wet return 20 to the return water mouth along shunt tubes 18, make inside temperature lower, inside vapor and spiral cooling pipe 19 fully contact, make steam become liquid by the gaseous state, coolant liquid case 5 internally mounted has two level sensor 36, the liquid level of highest position and low position and then opening of control solenoid valve 37, after coolant liquid case 5 inside liquid water risees gradually and arrives high level sensor 36 position, solenoid valve 37 opens, the inside liquid rivers of coolant liquid case 5 are collected to water collection liquid case 7, when the water level reduces to low level sensor 36, solenoid valve 37 closes and catchments.

Actuating mechanism includes rotatory auxiliary device 8, speed reducer 9, first motor 10, pneumatic cylinder 11, connector 29, backup pad 28 is installed at pneumatic cylinder 11 top, and rotatory auxiliary device 8, speed reducer 9, first motor 10 are installed at backup pad 28 top, first motor 10 is connected with speed reducer 9, and the output shaft of speed reducer 9 is connected with rotatory auxiliary device 8's input shaft, and rotatory auxiliary device 8's output shaft is connected with the connector 29 of installing on base 3. The rotation assisting device 8 comprises a shell 22, a movable inner sleeve 23, a first gear 24, a rack 25, a rotating shaft 26 and a bearing 27, wherein the movable inner sleeve 23 is connected inside the shell 22 in a sliding mode, the rack 25 is installed on the movable inner sleeve 23, the rotating shaft 26 is installed on the front side and the rear side of the shell 22 through the bearing 27, and the first gear 24 meshed with the rack 25 is installed on the rotating shaft 26. After the first motor 10 drives the speed reducer 9, an output shaft of the speed reducer 9 drives a rotating shaft 26 of the rotary auxiliary device 8, so that the first gear 24 is driven to rotate, the rack 25 meshed with the first gear 24 can drive the movable inner sleeve 23 to move left and right inside the shell 22, the stability and reliability of rotation are ensured, and the damage of equipment caused by overlarge stress in the supporting process is avoided. In the use, through driving hydraulic cylinder 11 with the separation of base 3 and wet-dry separation box 1, later drive first motor 10 work and overturn base 3, can empty the mud of dry impurity and convey to conveying belt mechanism 12 on.

In this embodiment, the water chilling unit 6, the first motor 10, the hydraulic cylinder 11, the conveyor belt mechanism 12, the pump body 15, the humidity sensor 16, the air compressor head 32, the second motor 33, the liquid level sensor 36 and the electromagnetic valve 37 are all connected to a PLC, and are controlled by the PLC.

The working process of the invention is as follows: the pump body 15 on the water inlet pipeline 39 is opened to discharge sewage into the dry-wet separation box body 1, the second motor 33 is opened, and through high-speed transmission of the second motor 33 and the gear transmission mechanism, solid impurities and liquid impurities are gradually formed in the part of the dry-wet separation box body 1 and are collected on the inner wall of the dry-wet separation box body 1, so that the central position of the dry-wet separation box body 1 is a water source with less impurities, and at the moment, water in the stirring central position can be pumped out by the operation of the pump body 15; when the second motor 33 works, the air compressor head 32 is started, high-pressure gas passes through the aeration pipe, microorganisms in sewage can more fully absorb oxygen in the air to react, so that organic matters in the sewage are consumed, when the water source in the dry-wet separation box body 1 is less, high-temperature air is discharged from the aeration hole, after the high-temperature air is contacted with impurities, the temperature in the dry-wet separation box body is increased, water vapor is gradually formed and enters the steam treatment device, the impurities are gradually dried to form solids, and dry-wet separation is completed; steam enters the steam and enters along the steam guide pipe 13, primary heat absorption and temperature reduction are carried out through the heat dissipation fins 14, then the steam enters the cooling liquid tank 5, cold water generated by the water chilling unit 6 enters along the flow dividing pipe 18 and passes through the spiral cooling pipe 19 and the water return pipe 20 to the water return port, the internal temperature is low, the internal water vapor is fully contacted with the spiral cooling pipe 19, the steam is changed into liquid from gas, the electromagnetic valve 37 is triggered to be opened through the liquid level sensor 36, the liquid water in the cooling liquid tank 5 flows to the water collecting liquid tank 7 to be collected, and when the water level is reduced to the low-level liquid level sensor 36, the electromagnetic valve 37 is closed to collect water; the base 3 is separated from the dry-wet separation box body 1 by the driving hydraulic cylinder 11, and then the first motor 10 is driven to work to turn over the base 3, so that the sludge of dry impurities can be poured and conveyed to the conveyor belt mechanism 12.

According to the invention, the first detection device is arranged to detect the in-place condition of the bottom plates, the support device is controlled to release the bottom plates after the bottom plates are in place, so that the bottom plates are stacked on the first conveyor belt mechanism, the bottom plates are ensured to be stacked on the first conveyor belt mechanism in order, then the height position of the uppermost bottom plate is detected by the second detection device to reach the preset value, the first conveyor belt mechanism is driven to convey the stacked bottom plates to the specified position, the bottom plates are smoothly recovered in the process, meanwhile, the whole process is automatic, manual carrying and stacking are not needed, time and labor are saved, and the production efficiency is ensured.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a wet separator is done to environment-friendly for sewage treatment which characterized in that: an environment-friendly dry-wet separation device for sewage treatment includes dry-wet separation box, agitating unit, pumping device, steam treatment device, actuating mechanism, steam generating device, conveyor belt mechanism, dry-wet separation box internally mounted has the agitating unit who is used for driving sewage and is centrifugal motion, and the central point of stirring puts the pumping device who installs connection collecting tank, and dry-wet separation box is linked together with steam treatment device, and rivers that form through steam treatment device go into collecting tank and collect, and separable base is installed to dry-wet separation bottom of the case portion, is connected with the actuating mechanism who is used for driving the base to go up and down and overturn on the base, and the steam generating device who makes the inside residual moisture evaporation of waste material is installed to the base inboard, and base downside installation conveyor belt mechanism, the waste material of empting through the upset on the base drops to the conveyor belt and carries the collection.

2. The environment-friendly dry-wet separation device for sewage treatment according to claim 1, wherein: the stirring device comprises a stirring shaft, a helical blade, a gear transmission mechanism and a second motor, wherein the stirring shaft is of a hollow structure with an opening at the top and the bottom, the stirring shaft is installed on the dry-wet separation box body through a bearing, the helical blade is installed on the part extending into the dry-wet separation box body, and the part extending out of the dry-wet separation box body is connected with the second motor through the gear transmission mechanism.

3. The environment-friendly dry-wet separation device for sewage treatment according to claim 2, wherein: the water pumping device comprises a water outlet pipeline and a pump body, the water outlet pipeline is arranged inside the stirring shaft, the water outlet pipeline and the stirring shaft are in clearance fit, the pump body is connected to the water outlet pipeline, and the water outlet pipeline is communicated to the water collecting liquid tank.

4. The environment-friendly dry-wet separation device for sewage treatment according to claim 1 or 3, wherein: the steam generating device comprises a steam coil, a connecting pipe, an air inlet pipe, an air compressor head and a quick connecting pipe, wherein the steam coil is of a disc structure surrounded spirally, an aeration hole is formed in the top of the steam coil, the steam coil is connected with the quick connecting pipe arranged on the base through the connecting pipe, and the bottom of the quick connecting pipe is connected with the air compressor head arranged on the base through the air inlet pipe.

5. The environment-friendly dry-wet separation device for sewage treatment according to claim 4, wherein: the steam coil is a flexible hose made of elastic materials.

6. The environment-friendly dry-wet separation device for sewage treatment according to claim 1 or 5, wherein: steam processing apparatus includes coolant liquid case, cooling water set, steam pipe, heat radiation fins, outlet conduit, shunt tubes, spiral cooling tube, wet return, level sensor, solenoid valve, the coolant liquid case is linked together through steam pipe and dry wet separation box, installs heat radiation fins on the steam pipe, coolant liquid incasement internally mounted has shunt tubes and wet return, shunt tubes and wet return are connected to the water inlet and the return water mouth of cooling water set respectively, spiral cooling tube is provided with the multiunit, and spiral cooling tube one end is linked together with the shunt tubes, the other end is linked together with the wet return, the coolant liquid case is linked together through installation outlet conduit and water collecting liquid case, the last solenoid valve of installing of outlet conduit, and coolant liquid case internally mounted has the level sensor that the trigger solenoid valve closed or opened.

7. The environment-friendly dry-wet separation device for sewage treatment according to claim 6, wherein: the driving mechanism comprises a rotary auxiliary device, a speed reducer, a first motor, a hydraulic cylinder and a connector, wherein a supporting plate is installed at the top of the hydraulic cylinder, the rotary auxiliary device, the speed reducer and the first motor are installed at the top of the supporting plate, the first motor is connected with the speed reducer, an output shaft of the speed reducer is connected with an input shaft of the rotary auxiliary device, and an output shaft of the rotary auxiliary device is connected with the connector installed on the base.

8. The environment-friendly dry-wet separation device for sewage treatment according to claim 7, wherein: rotatory auxiliary device includes the casing, removes endotheca, first gear, rack, pivot, bearing, the inside sliding connection of casing has the removal endotheca, removes to sheathe in and installs the rack, and the pivot is installed through the bearing in both sides around the casing, installs rack toothing's first gear in the pivot.